CN114878262A - Blade pushing mechanism and blade pushing device - Google Patents

Abstract

The invention relates to a sheet pushing mechanism and a sheet pushing device, comprising: a mounting seat; a rotating block and a first driving piece which are both arranged on the mounting seat, wherein the rotating block is pivotally connected with the mounting seat, and the first driving piece is configured to drive the rotating block to rotate around a first axis relative to the mounting seat; the installation block is used for installing the push piece, the installation block is movably connected with the rotating block, a first elastic piece is arranged between the installation block and the rotating block in a supporting mode, and the installation block can swing relative to the rotating block. Above-mentioned push jack mechanism and push jack device through setting up first elastic component, and installation piece and turning block swing joint, and when the push jack mounted position is inaccurate or the slide glass is placed at irregular times, push jack mechanism can adapt to the regulation according to the change of operating mode to guarantee that push jack and slide glass closely laminate everywhere, thereby push away blood flat, push jack mechanism's self-adaptation effect is better.

Description

Pusher mechanism and pusher device

technical field

The invention relates to the technical field of medical devices, in particular to a tablet pushing mechanism and a tablet pushing device.

Background technique

When observing tiny objects, it is often necessary to make tiny objects into microscope slide specimens for easy observation under a microscope. Microscopic slide specimens include sections, mounts and smears, wherein, smears are specimens made from liquid specimens (such as blood, bone marrow fluid, etc.) collected from living organisms that are evenly smeared on the slides, and are used in the medical field. has been widely used.

For example, when examining a patient, it is sometimes necessary to test the patient's blood. At this time, it is necessary to smear the blood evenly on the glass slide to make a blood smear, and place the prepared blood smear under a microscope for observation. When making blood smears, in order to avoid contamination of samples by manual operation, a smearing mechanism is often used to push the drop-shaped blood evenly on the glass slide.

Usually, in order to ensure that the pusher mechanism can push the blood level, the pusher of the pusher mechanism and the glass slide are arranged at a certain angle, and it is necessary to ensure that the pusher is closely attached to the slide glass everywhere. However, when the traditional pusher mechanism is inaccurately installed or the slides are not placed properly, the pusher mechanism cannot be adjusted according to the change of the working conditions, and cannot guarantee that the pusher is tightly fitted with the slides everywhere, resulting in Blood cannot be flattened.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a pusher mechanism and a pusher device with strong self-adaptive ability to solve the problem of poor self-adaptation capability of the traditional pusher mechanism.

A sheet pushing mechanism, the sheet pushing mechanism comprises:

mount;

A rotating block and a first driving member both mounted on the mounting base, the rotating block is pivotally connected with the mounting base, and the first driving member is configured to be able to drive the rotating block to be opposite about a first axis rotate on the mounting seat;

A mounting block for mounting a push piece, the mounting block is movably connected with the rotating block, a first elastic member is abutted between the mounting block and the rotating block, and the mounting block can be relative to the rotating block Turn the block to swing.

In one of the embodiments, the mounting block is configured to be rotatable relative to the rotating block about a second axis;

The first elastic member includes a first sub-elastic member and a second sub-elastic member, and in the extending direction of the first axis, the first sub-elastic member and the second sub-elastic member are distributed on the first sub-elastic member. two sides of the axis.

In one embodiment, the first elastic member is a spring, at least one of the mounting block and the rotating block is provided with a mounting hole, and a portion of the first elastic member is provided in the mounting hole .

In one embodiment, the mounting base includes a first mounting plate and a second mounting plate, the second mounting plate is slidably connected to the first mounting plate, and the rotating block and the first driving member are both mounted on the second mounting plate;

The sheet pushing mechanism further includes a second elastic member, the second elastic member is abutted between the first mounting plate and the second mounting plate.

In one embodiment, the push-piece mechanism further includes a guide member, the guide member includes a first connecting portion and a limiting portion, and one end of the first connecting portion is fixedly connected to the second mounting plate, so The limiting portion is fixedly connected with the other end of the first connecting portion, and the first connecting portion is slidably connected with the first mounting plate, and the limiting portion is configured to limit the second mounting plate Move to a preset position relative to the first mounting plate.

In one embodiment, the second elastic member is a spring, and the second elastic member is sleeved outside the first connecting portion.

In one embodiment, the sheet pushing mechanism further includes a second sliding rail and a second sliding block, and one of the second sliding rail and the second sliding block is disposed on the first mounting plate, The other of the second sliding rail and the second sliding block is arranged on the second mounting plate, and the second mounting plate and the first mounting plate are connected to the second mounting plate through the second sliding rail The second slider is slidably connected.

In one embodiment, the push-piece mechanism further includes a first sensing switch and a first sensing piece, the first sensing switch is mounted on the mounting seat, and the first sensing piece is mounted on the first sensing piece On the driving end of the driving member or the rotating block, the first sensing switch is configured to be able to sense the rotation angle of the first sensing piece.

In one of the embodiments, the push piece mechanism further includes a push piece, and the push piece is mounted on the mounting block;

The mounting block includes a first body and an elastic clamping piece, the first body is movably connected with the rotating block, and the first elastic piece is abutted between the first body and the rotating block , the clamping piece is installed on the first body; wherein, a clamping opening is formed between the clamping piece and the first body, and the push piece can be pressed from the clamping opening to the between the clamping piece and the first body.

A slide pushing device includes a slide slide mechanism for carrying a glass slide and the slide slide mechanism according to any one of the above, wherein the slide slide mechanism and the slide slide mechanism are configured to be capable of producing relative motion.

The above-mentioned slide-pushing mechanism and slide-pushing device are provided with a first elastic member, and the mounting block is movably connected with the rotating block. When the slide-pushing mechanism is inaccurately installed or the slide glass is not placed properly, the slide-pushing mechanism can be adjusted according to the change of the working conditions. Adaptive adjustment to ensure that the pusher is closely attached to the slide, so as to level the blood, and the pusher mechanism has a better self-adaptive effect.

Description of drawings

1 is an axonometric view of a tablet pushing device provided by an embodiment of the present invention;

Fig. 2 is the axonometric view of a viewing angle of the slide mechanism of the slide push device shown in Fig. 1;

Figure 3 is an axonometric view of the slide mechanism shown in Figure 2 from another perspective;

Fig. 4 is the axonometric view of a viewing angle of the pushing mechanism of the pushing device shown in Fig. 1;

FIG. 5 is an axonometric view of the push-piece mechanism shown in FIG. 4 from another perspective;

Fig. 6 is the plan view when the push piece of the push piece device shown in Fig. 1 is in the push piece position;

Fig. 7 is the axonometric view of another viewing angle of the push-piece mechanism shown in Fig. 4;

Figure 8 is a partial cross-sectional view of the push-piece mechanism shown in Figure 4;

Fig. 9 is the partial structure diagram of the push piece mechanism shown in Fig. 4;

FIG. 10 is a structural diagram of the first body of the mounting block of the push piece mechanism shown in FIG. 4;

FIG. 11 is a plan view of the pusher of the pusher device shown in FIG. 1 when it is in a cleaning position;

FIG. 12 is an axonometric view from a perspective of the pusher wiper mechanism of the pusher device shown in FIG. 1;

Figure 13 is a structural diagram of the wiper of the pusher wiper mechanism shown in Figure 12;

FIG. 14 is an axonometric view of the pusher wiping mechanism shown in FIG. 12 from another perspective;

FIG. 15 is a structural diagram of a partial structure of the wiper shown in FIG. 13;

Figure 16 is an isometric view of a partial structure of the wiper shown in Figure 15;

FIG. 17 is an axonometric view of the pusher wiping mechanism shown in FIG. 12 from another perspective;

FIG. 18 is a perspective view of the pusher wiping mechanism shown in FIG. 12 from another perspective;

Fig. 19 is an axonometric view of the second connecting plate of the push-piece wiping mechanism shown in Fig. 12 in the first position;

Fig. 20 is an axonometric view of the second connecting plate of the push-piece wiping mechanism shown in Fig. 12 when it is in a second position;

FIG. 21 is a structural diagram of the wiper belt of the pusher wiping mechanism shown in FIG. 1 in contact with the pusher;

Figure 22 is an axonometric view of the positioning block and the elastic member of the wiper shown in Figure 13;

FIG. 23 is a structural view of the second half-shell of the tape cassette of the wiper shown in FIG. 13 .

100, push piece device; 10, push piece wiping mechanism; 11, fixed seat; 12, wiping unit; 122, accommodating cavity; 123, first connecting plate; 124, second connecting plate; 125, mounting piece; 1251, limit Position slot; 126, fitting part; 13, wiping part; 131, wiping tape; 1311, wiping part; 132, tape cassette; 1321, first opening; 1322, second opening; 1323, observation window; 1324, first half shell; 1325, second half shell; 133, positioning block; 1331, right angle part; 134, elastic element; 1341, first abutting plane; 1342, second abutting plane; 135, first winding piece; 136, 137, sheet; 1381, first sub-limiting member; 1382, second sub-limiting member; 1391, first tape guide; 1392, second tape guide; 1393, third guide belt; 14, second drive member; 141, second drive motor; 15, third slide rail; 16, third slider; 17, second induction switch; 18, second induction sheet; 191, first connection Lever; 192, second connecting rod; 110, liquid injection part; 120, third driving part; 130, third driving motor; 140, passive shaft; 150, driving shaft; 1120, counting wheel; 1130, counting disc; 1140 20, the push piece mechanism; 21, the mounting seat; 211, the first mounting plate; 212, the second mounting plate; 22, the rotating block; 23, the first driving member; 231, the first driving motor; 232, coupling; 24, mounting block; 241, first body; 2411, first body; 2412, second sub-body; 242, clamping piece; 25, push piece; 26, first elastic member; 261, 262, second sub elastic member; 27, first shaft; 28, second shaft; 29, second elastic member; 210, second slide rail; 220, second slider; 230, guide 240, the first connection part; 250, the limit part; 260, the first induction switch; 270, the first induction sheet; 30, the film carrier mechanism; 31, the fixing plate; Motor; 322, driving wheel; 323, belt; 324, driven wheel; 325, screw rod; 33, slide holder; 331, bottom plate; 3311, taking slot; 332, first limit plate; 333, second limit 34, a first slide rail; 35, a first slider; 40, a substrate; 41, a through hole; 200, a glass slide.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

Referring to FIG. 1 , an embodiment of the present invention provides a slide pushing device 100 , which can push a drop-shaped liquid to form a sheet on the glass slide 200 . Specifically, the slide pushing device 100 is applied in an automatic blood slide preparation apparatus, and can push drop-shaped blood to form a sheet shape on the glass slide 200 to prepare a blood smear. It should be understood that, in other embodiments, the slide pushing device 100 may also be applied to other equipments to prepare other types of slide specimens, which are not limited herein.

The technical solution of the present application will be described in detail below by taking the application of the tablet pushing device 100 in an automatic blood tablet preparation apparatus as an example. This embodiment is only used as an example, and does not limit the technical scope of the present application. Furthermore, the drawings in the embodiments also omit unnecessary components to clearly show the technical features of the present application.

The slide pushing device 100 includes a slide pushing and wiping mechanism 10 , a slide pushing mechanism 20 and a slide mechanism 30 . Flattening, the pushing piece wiping mechanism 10 is used for wiping the pushing piece 25 of the pushing piece mechanism 20 , so as to realize the cleaning of the pushing piece 25 . In other embodiments, the slide-pushing device 100 may also omit the slide-carrying mechanism 30, which is not limited herein.

In one embodiment, the sheet pushing device 100 further includes a base plate 40 , the sheet pushing and wiping mechanism 10 , the sheet pushing mechanism 20 and the sheet loading mechanism 30 are all disposed on the base plate 40 , and the base plate 40 is the sheet pushing and wiping mechanism 10 , the sheet pushing mechanism 20 and the sheet loading mechanism 30 . Mounting base for the sheet mechanism 30 . Specifically, the wafer carrier mechanism 30 is provided below the substrate 40 , and the wafer push mechanism 20 and the wafer pusher wiping mechanism 10 are provided above the substrate 40 . Meanwhile, the substrate 40 is provided with a through hole 41 in the thickness direction, and the slide push mechanism 20 communicates with the slide mechanism 30 through the through hole 41 , so that the slide push mechanism 20 pushes the blood on the slide glass 200 . More specifically, at least a part of the slide mechanism 30 extends into the through hole 41 . When the slide glass 200 is placed on the slide mechanism 30 , the upper surface of the slide glass 200 is flush with the upper surface of the substrate 40 . Of course, in other embodiments, the entire slide mechanism 30 and the slide glass 200 may not protrude from the lower surface of the substrate 40 . The push piece 25 needs to extend into the through hole 41 to push the blood out.

It is conceivable that, in other embodiments, the substrate 40 may be omitted from the sheet pushing device 100, and the sheet pushing mechanism 20 and the sheet pushing and wiping mechanism 10 may be directly connected to the sheet loading mechanism 30 in this case.

In one implementation, the slide slide mechanism 20 is fixed relative to the base plate 40, the slide slide mechanism 30 pushes the slide glass slide 200 to move relative to the base plate 40, and at this time, the slide glass slide 200 moves relative to the slide slide mechanism 20 to achieve the leveling of blood. Effect. Of course, in other embodiments, the glass slide 200 may also be set to be stationary, and the slide pushing mechanism 20 moves relative to the base plate 40 to achieve the effect of pushing blood.

2, the slide mechanism 30 includes a fixed plate 31, a drive assembly 32 and a slide holder 33, the fixed plate 31 is fixedly connected to the base plate 40, the slide holder 33 is slidably connected to the fixed plate 31, and the drive assembly 32 is connected to the base plate 40 and/or Or the fixing plate 31 is connected to drive the slide holder 33 to reciprocate relative to the fixing plate 31 in the third direction. When the drive assembly 32 drives the slide holder 33 to move in the third direction relative to the fixing plate 31 , the slide slide 25 of the slide slide mechanism 20 can push the blood on the slide glass 200 placed on the slide holder 33 to level. , when the drive mechanism drives the slide holder 33 to reversely move in the third direction, the slide holder 33 can return to the initial position, so as to facilitate the production of the next blood smear.

Referring to FIG. 3 , the driving assembly 32 includes a fourth driving motor 321 , a driving wheel 322 , a belt 323 , a driven wheel 324 and a lead screw 325 . The driving end is connected, the screw rod 325 is connected with the fixed plate 31 , the driven wheel 324 is connected with the extension end of the screw rod 325 extending from the fixed plate 31 , and the belt 323 is sleeved on the driving wheel 322 and the driven wheel 324 . The slide holder 33 is threadedly connected with the screw rod 325 , and is slidably matched with the fixing plate 31 . In this way, when the fourth driving motor 321 rotates in the forward direction, it drives the driving wheel 322 to rotate, the belt 323 drives the driven wheel 324 to rotate, the screw rod 325 rotates in the forward direction, and the slide holder 33 drives the slide glass 200 to move forward in the third direction. , the pushing piece 25 of the pushing piece mechanism 20 pushes the blood on the slide glass 200 flat. When the fourth driving motor 321 rotates in the reverse direction, it drives the driving wheel 322 to rotate, the belt 323 drives the driven wheel 324 to rotate, the screw rod 325 rotates in the reverse direction, and the slide holder 33 reversely moves back to the original position in the third direction, so as to facilitate the Production of the next blood smear.

It is conceivable that, in other embodiments, the driving assembly 32 may also adopt other setting manners, as long as the setting manner of driving the slide holder 33 to reciprocate relative to the fixing plate 31 can be realized.

The slide mechanism 30 further includes a first sliding rail 34 and a first sliding block 35. One of the first sliding rail 34 and the first sliding block 35 is fixedly connected to the fixing plate 31, and the other is fixedly connected to the slide holder 33. The slide holder 33 is slidably matched with the fixing plate 31 through the first sliding block 35 and the first sliding rail 34 . In this specific embodiment, the first sliding rail 34 is connected to the fixing plate 31 , the first sliding block 35 is connected to the slide holder 33 , and the slide holder 33 is threadedly connected to the screw rod 325 through the first sliding block 35 .

The slide holder 33 includes a bottom plate 331 , a first limiting plate 332 and a second limiting plate 333 . The bottom plate 331 is threadedly connected with the screw rod 325 , and the slide glass 200 is disposed on the bottom plate 331 . Both the first limiting plate 332 and the second limiting plate 333 are connected to the upper surface of the bottom plate 331 and extend away from the bottom plate 331 , and in the third direction, the first limiting plate 332 and the second limiting plate 333 are respectively Located at both ends of the bottom plate 331 , the two ends of the glass slide 200 are respectively in contact with the first limiting plate 332 and the second limiting plate 333 . The distance between the first limiting plate 332 and the second limiting plate 333 determines the length of the slide glass 200 , that is, the setting of the second limiting plate 333 and the second limiting plate 333 serves to limit the length of the slide glass 200 . effect of length.

In the second direction perpendicular to the third direction, that is, in the direction perpendicular to the direction of the connecting line between the first limiting plate 332 and the second limiting plate 333 , recesses on both sides of the bottom plate 331 are provided with grippers. Taking the slot 3311, when placing the glass slide 200 on the slide holder 33, the human hand can reach into the taking slot 3311, so that the slide glass 200 can be easily placed on the slide holder 33, and when it is necessary to remove the slide glass 200 located on the slide holder 33. When removing the glass slide 200 on the holder 33 , the human hand can also extend into the taking slot 3311 , so that the glass slide 200 placed on the glass holder 33 can be easily removed. In this way, by providing the taking groove 3311, it is convenient to take and place the glass slide 200 in the width direction of the glass slide 200.

Referring to FIG. 4 , in one embodiment, the pushing mechanism 20 includes a mounting base 21 , a rotating block 22 and a first driving member 23 , the mounting base 21 is mounted on the base plate 40 , and the rotating block 22 and the first driving member 23 are both mounted on the mounting base 21 . On the base 21 , the rotating block 22 is pivotally connected with the mounting base 21 , and the first driving member 23 is configured to be capable of driving the rotating block 22 to rotate relative to the mounting base 21 around the first axis.

Referring to FIG. 5 , the push piece mechanism 20 further includes a mounting block 24 for mounting the push piece 25 . When the first driving member 23 drives the rotating block 22 to rotate relative to the mounting seat 21 around the first axis, the rotating block 22 drives the mounting block 24 to rotate. , so that the push piece 25 installed on the mounting block 24 can be in the push piece position (see FIG. 6 ), that is, the inclination angle between the push piece 25 and the slide glass 200 can be in the range of 0°-90°.

Specifically, the mounting block 24 is movably connected with the rotating block 22 , referring to FIG. 7 , the push-piece mechanism 20 further includes a first elastic member 26 , the first elastic member 26 abuts between the rotating block 22 and the mounting block 24 , and the mounting block 24 It can swing relative to the rotating block 22 . Through the above arrangement, when the push piece 25 is in contact with the slide glass 200, an interaction force is generated between the slide glass 200 and the push piece 25, the push piece 25 transmits the force to the mounting block 24, and the mounting block 24 compresses the first elastic force The member 26 , the mounting block 24 and the push piece 25 are acted by the elastic restoring force of the first elastic member 26 , which ensures that the push piece 25 is tightly attached to the slide glass 200 . That is, by arranging the first elastic member 26 and the mounting block 24 being movably connected to the rotating block 22, when the mounting position of the push piece 25 is inaccurate or the slide glass 200 is placed unevenly, the slide push mechanism 20 can be adjusted according to the change of the working conditions. Adaptive adjustment is made to ensure that the pusher 25 is closely attached to the glass slide 200, so as to push the blood level, and the pusher mechanism 20 has a better self-adaptive effect.

Specifically, the first elastic member 26 abuts between the mounting block 24 and the rotating block 22 in the first direction, and the first direction intersects the extending direction of the first axis. It should be noted here that the intersection of the first direction and the extension direction of the first axis means that the first direction and the extension direction of the first axis are located in the same plane, and the first direction and the extension direction of the first axis are in the same plane. The in-plane intersection, or the first direction and the extension direction of the first axis can intersect in three-dimensional space.

It should be noted here that the position of the pusher is not the only fixed position, as long as the inclination angle between the pusher 25 and the glass slide 200 is in the range of 0°-90°, it can be selected according to needs.

According to the direction in Fig. 1 as the reference standard, the above-mentioned first direction is the vertical direction, the second direction is the connection direction of the lower left corner and the upper right corner, the third direction is the connection direction of the upper left corner and the lower right corner, the first direction, The second direction is perpendicular to the third direction, that is, the first direction is the Z direction in FIG. 1 , the second direction is the Y direction in FIG. 1 , and the third direction is the X direction in FIG. 1 .

Continuing to refer to FIG. 4 , the first driving member 23 includes a first driving motor 231 and a coupling 232 , and the first driving motor 231 is fixedly connected to the rotating block 22 through the coupling 232 . The pushing mechanism 20 further includes two first rotating shafts 27 (refer to FIG. 7 ), the two first rotating shafts 27 are respectively fixedly connected with both ends of the rotating block 22 , and one of the first rotating shafts 27 is passed through the mounting seat 21 and The coupling 232 is fixedly connected with the first driving motor 231 , and the other first rotating shaft 27 is passed through the fixed seat 11 and is rotatably connected therewith. The first driving motor 231 drives the first rotating shaft 27 to rotate through the coupling 232 , the first rotating shaft 27 drives the rotating block 22 to rotate relative to the mounting seat 21 , and the first axis is the central axis of the first rotating shaft 27 .

Further, the mounting block 24 is configured to be rotatable relative to the rotating block 22 around a second axis, the extending direction of the second axis intersecting in the same plane or in a three-dimensional space with the extending direction of the first axis.

7 and 8, the first elastic member 26 includes a first sub-elastic member 261 and a second sub-elastic member 262. In the extension direction of the first axis, the first sub-elastic member 261 and the second sub-elastic member 262 distributed on both sides of the second axis. In this way, when the push piece 25 is in contact with the slide glass 200, an interaction force is generated between the slide glass 200 and the push piece 25, the push piece 25 transmits the force to the mounting block 24, and the mounting block 24 transmits the force to the first The sub-elastic member 261 and/or the second sub-elastic member 262, the first sub-elastic member 261 and/or the second sub-elastic member 262 are elastically deformed by force, so as to further ensure the tight fit of the push piece 25 and the slide glass 200, So as to ensure the leveling effect of blood.

Specifically, the first sub-elastic member 261 and the second sub-elastic member 262 are both springs, at least one of the mounting block 24 and the rotating block 22 is provided with a mounting hole, the first sub-elastic member 261 and the second sub-elastic member 262 part is set in the mounting hole. More specifically, both the mounting block 24 and the rotating block 22 are provided with mounting holes, and both ends of the first sub-elastic member 261 and the second sub-elastic member 262 are respectively disposed in the corresponding mounting holes. Of course, in other embodiments, the first sub-elastic member 261 and the second sub-elastic member 262 can also be made of rubber, which is not limited here.

Referring to FIG. 4 and FIG. 9 together, the push-piece mechanism 20 includes a second rotating shaft 28 , the rotating block 22 is L-shaped, one end of the mounting block 24 is disposed at the L-shaped right-angle groove, and the first elastic member 26 is abutted against the L-shaped groove. Between one end of the L-shaped and the mounting block 24, the second rotating shaft 28 is connected to the other end of the L-shaped. One end of the L-shape is provided with a shaft hole, and the second shaft 28 passes through the shaft hole to realize the rotational connection between the mounting block 24 and the rotating block 22 , and the second axis is the central axis of the second shaft 28 .

In one embodiment, the push piece mechanism 20 further includes a push piece 25 , and the push piece 25 is mounted on the mounting block 24 . Specifically, the push piece 25 is detachably connected to the mounting block 24 so as to facilitate the replacement of the push piece 25 . It is conceivable that, in other embodiments, the push piece 25 may also be integrally formed with the mounting block 24, which is not limited herein.

Referring to FIG. 9 , the mounting block 24 includes a first body 241 and a clamping piece 242 . The first body 241 is rotatably connected to the rotating block 22 , and the first elastic member 26 is abutted between the first body 241 and the rotating block 22 in the first direction. During this time, the clamping piece 242 is mounted on the first body 241 . A clamping opening is formed between the clamping piece 242 and the first body 241 , and the pushing piece 25 is pressed between the clamping piece 242 and the first body 241 from the clamping opening, and the clamping piece 242 has elasticity. Since the clamping piece 242 has elasticity, when the push piece 25 is installed on the mounting block 24, the clamping piece 242 is broken to be elastically deformed, so as to install the push piece 25 on the mounting block 24; when the push piece 25 is installed When mounted on the mounting block 24 , the push piece 25 is firmly fixed on the mounting block 24 under the action of the elastic force of the clamping piece 242 . In some other embodiments, the push piece 25 can also be mounted on the mounting block 24 in other ways, such as additionally providing a pressure block, and screws passing through the pressure block and the first body 241 to press the push piece 25 on the mounting block 24 . on the first body 241 .

Referring to FIG. 10 , the first body 241 includes a first sub-body 2411 and a second sub-body 2412 that are connected to each other, the first elastic member 26 abuts between the first sub-body 2411 and the rotating block 22 , and the second sub-body 2412 and The first sub-body 2411 is connected with an obtuse angle between the two, the clamping piece 242 is arranged on the second sub-body 2412, the pushing piece 25 is arranged between the second sub-body 2412 and the clamping piece 242, and the pushing piece 25 is located The plane is parallel to the plane where the second sub-body 2412 is located. Since the first sub-body 2411 and the second sub-body 2412 are arranged at an obtuse angle, when the first sub-body 2411 is vertically arranged, it can be ensured that the plane where the second sub-body 2412 is located, that is, the plane where the pusher 25 is located and The included angle between the planes on which the slide glass 200 is located is in the range of 0°-90°, so as to facilitate the leveling of the blood on the slide glass 200 .

Continuing to refer to FIG. 5 , the mounting base 21 includes a first mounting plate 211 and a second mounting plate 212 , and the first mounting plate 211 is fixedly connected to the base plate 40 . Of course, in other embodiments, the first mounting plate 211 may also be connected to the base plate 40 . 40 sliding connections. The second mounting plate 212 is slidably connected to the first mounting plate 211 , and the rotating block 22 and the first driving member 23 are both mounted on the second mounting plate 212 . The push-piece mechanism 20 further includes a second elastic member 29 (refer to FIG. 7 ), and the second elastic member 29 abuts between the first mounting plate 211 and the second mounting plate 212 . Specifically, the second mounting plate 212 is slidably connected to the first mounting plate 211 in the first direction, and the second elastic member 29 is abutted between the first mounting plate 211 and the second mounting plate 212 in the first direction.

Through the above arrangement, when the push piece 25 is in contact with the glass slide 200, the interaction force generated between the push piece 25 and the slide glass 200 is sequentially transmitted to the second mounting plate through the push piece 25, the mounting block 24 and the rotating block 22. 212, the second mounting plate 212 transmits the above-mentioned force to the second elastic member 29, the second mounting plate 212 slides relative to the first mounting plate 211, the second elastic member 29 is elastically deformed, and reversely acts on the second mounting plate 212 , under the action of the above-mentioned reverse force, it is ensured that the push piece 25 and the slide glass 200 are more closely attached.

Continuing to refer to FIG. 5 , the pushing mechanism 20 includes a second sliding rail 210 and a second sliding block 220 . One of the second sliding rail 210 and the second sliding block 220 is disposed on the first mounting plate 211 , and the other is disposed on the first mounting plate 211 . On the second mounting plate 212 , the second sliding block 220 cooperates with the second sliding rail 210 to realize the sliding connection between the second mounting plate 212 and the first mounting plate 211 .

The push-piece mechanism 20 further includes a guide member 230, one end of the guide member 230 is fixedly connected with the second mounting plate 212, and the other end of the guide member 230 is guided and matched with the first mounting plate 211 in the first direction, and the guide member 230 serves as a guide The role of the second mounting plate 212 .

Continuing to refer to FIG. 4 , the guide member 230 includes a first connecting portion 240 and a limiting portion 250 . One end of the first connecting portion 240 is fixedly connected to the second mounting plate 212 , and the other end of the limiting portion 250 is connected to the first connecting portion 240 . In a fixed connection, the limiting portion 250 is configured to limit the movement of the second mounting plate 212 relative to the first mounting plate 211 to a preset position, so as to prevent the second mounting plate 212 from interacting with the first mounting plate 212 under the action of gravity or under the action of other combined forces. A mounting plate 211 is disengaged.

Further, the second elastic member 29 is a spring, the first connecting portion 240 is a guide post, and the second elastic member 29 is sleeved outside the guide post, so that the wire guide 230 not only plays a guiding role but also limits the second elastic member 29 role. It should be understood that, in other embodiments, the second elastic member 29 may also be provided at other positions, and the second elastic member 29 may also be made of rubber.

Continuing to refer to FIG. 7 , in one embodiment, the pusher mechanism 20 further includes a first sensing switch 260 and a first sensing piece 270 , the first sensing switch 260 is mounted on the mounting seat 21 , and the first sensing piece 270 is mounted on the first drive The first sensing switch 260 is configured to sense the rotation angle of the first sensing piece 270 . By arranging the first induction switch 260 and the first induction sheet 270, the first induction switch 260 can sense the rotation angle of the first induction sheet 270, and transmit the signal to the controller, and the controller controls the rotation angle of the first driving motor 231, Thus, the rotation angle of the push piece 25 is controlled to ensure that the push piece 25 is located at the push piece position.

Referring to FIG. 11 , in one embodiment, the first driving member 23 can drive the rotating block 22 to rotate relative to the second mounting plate 212 , thereby driving the mounting block 24 and the push piece 25 to rotate relative to the second mounting plate 212 , so that the push piece 25 rotates relative to the second mounting plate 212 . In the cleaning position, in the cleaning position, the pusher wiping mechanism 10 can wipe the pusher 25 of the pusher mechanism 20 .

Further, relative movement can be generated between the pusher wiping mechanism 10 and the pusher mechanism 20 , so as to achieve the effect of the pusher wiping mechanism 10 wiping the pusher 25 . In a specific embodiment, the pusher mechanism 20 is fixed to the substrate 40 , and the pusher wiping mechanism 10 moves relative to the substrate 40 to wipe the pusher 25 . Of course, in other embodiments, the pusher wiping mechanism 10 may be fixed to the substrate 40 , and the pusher mechanism 20 moves relative to the substrate 40 to wipe the pusher 25 , which is not limited herein.

Referring to FIGS. 12 and 13 , the wiper mechanism 10 includes a fixed seat 11 and a wiper unit 12 , the fixed seat 11 is fixedly connected to the base plate 40 , the wiper unit 12 is slidably connected to the fixed seat 11 , and the wiper unit 12 is provided with a pusher for wiping The wiper 13 of the push piece 25 of the mechanism 20 . The pushing blade wiping mechanism 10 further includes a second driving member 14 (refer to FIG. 14 ), the second driving member 14 is mounted on the fixing base 11 and is configured to be able to drive the wiping unit 12 to move back and forth relative to the fixing base 11 to wipe the pusher The push piece 25 of the piece mechanism 20.

In this embodiment, the wiping unit 12 drives the wiper 13 to reciprocate relative to the fixed seat 11 to wipe the pusher 25 of the pusher mechanism 20, which takes a shorter time than the ultrasonic cleaning of the pusher in the prior art.

Further, the wiping unit 12 is provided with a wiping position, the wiping element 13 includes a wiping belt 131, a plurality of wiping parts 1311 are formed on the wiping belt 131, and the wiping belt 131 can move relative to the wiping unit 12 to make the plurality of wiping parts 1311 alternatively Set in the wipe position. Wherein, the moving direction of the wiping belt 131 is perpendicular to the moving direction (the second direction) of the wiping unit 12 . That is, in this embodiment, the sheet push mechanism 20 is fixed relative to the base plate 40, and the wiping unit 12 of the sheet push sheet wiping mechanism 10 moves relative to the base plate 40 to drive the wiping portion 1311 to reciprocate in the second direction to wipe the push sheet 25. Each time the push piece 25 is used, different wiping parts 1311 are used for wiping, so as to avoid cross infection.

Further, the cleaning medium can be carried on the wiping portion 1311, the cleaning medium is injected on the wiping portion 1311, and the cleaning medium dissolves the liquid adhering to the pushing piece 25, so as to further improve the cleaning effect of the pushing piece 25 of the pushing piece mechanism 20, And compared with the ultrasonic cleaning method in the prior art, the amount of cleaning medium is less. Of course, in other embodiments, the cleaning medium can also be directly injected onto the push piece 25, the cleaning medium dissolves the liquid adhering to the push piece 25, and the wiping portion 1311 only has a wiping effect.

Continuing to refer to FIG. 14 , the pusher wiping mechanism 10 further includes a liquid injection member 110 , and the liquid injection member 110 is configured to be able to inject the cleaning medium onto the wiper 13 or the pusher 25 . Specifically, the liquid injection member 110 is disposed on the fixing base 11 or the wiping unit 12 and is a liquid injection pipe. When the cleaning medium needs to be sprayed to the wiping part 1311 , the liquid injection pipe is communicated with the external pump body, the external pump body pumps the cleaning medium into the liquid injection pipe, and the liquid injection pipe sprays the cleaning medium on the wiping part 1311 .

In a specific embodiment, the second direction is perpendicular to the third direction, that is, the first direction is perpendicular to the length direction of the slide glass 200 , and is parallel to the width direction of the slide glass 200 and the width direction of the pusher 25 , Then, the pusher wiping mechanism 10 can wipe the pusher 25 in the width direction.

Continuing to refer to FIG. 12 , the pusher wiping mechanism 10 further includes a third sliding rail 15 and a third sliding block 16 , one of the third sliding rail 15 and the third sliding block 16 is arranged on the fixing seat 11 , and the other is arranged on the fixing seat 11 . On the wiping unit 12 , the third sliding rail 15 is slidably matched with the third sliding block 16 to realize the sliding connection between the wiping unit 12 and the fixing seat 11 . The second driving member 14 includes a second driving motor 141 , and the pushing blade wiping mechanism 10 further includes a first connecting rod 191 and a second connecting rod 192 , one end of the first connecting rod 191 is fixedly connected with the driving shaft of the second driving member 14 , The other end of the first link 191 is hinged with one end of the second link 192 , and the other end of the second link 192 is hinged with the wiping unit 12 . In this way, when the second driving member 14 works, the first link 191 and the second link 192 cooperate with each other, and the third slide rail 15 and the third slider 16 guide and cooperate to drive the wiping unit 12 to the second The direction reciprocates to achieve the effect of wiping the push piece 25 .

The pushing blade wiping mechanism 10 further includes a second sensing switch 17 and a second sensing sheet 18 . The switch 17 is arranged on the fixed seat 11, and the second sensing switch 17 can sense the rotation angle of the second sensing piece 18, thereby controlling the rotation angle of the second driving motor 141, so as to control the number of reciprocating movements of the wiping unit 12 in the second direction .

1 , 12-13 and 15-16 , in one embodiment, the wiper 13 further includes a tape cassette 132 , the wiping unit 12 is provided with an accommodating cavity 122 , and the tape cassette 132 is accommodated in the accommodating cavity 122 Inside. The tape cassette 132 is provided with a accommodating cavity, and the wiper 13 further includes a first winding member 135 and a second winding 136 . One end of the wiping tape 131 is connected to the first winding member 135, and the other end of the wiping tape 131 is connected to the second winding member 136. The wiping tape 131 can be relative to the tape cassette 132 by means of the first winding member 135 and the second winding member 136. sports.

The wiper 13 further includes a positioning block 133, the positioning block 133 is arranged on the tape box 132, and the tape box 132 is further provided with a first opening 1321 that communicates with the receiving cavity, and the wiper tape 131 is wound from the first winding member 135 to the first opening 1321. The second winding member 136 passes through the first opening 1321 and abuts on the positioning block 133 .

When the pusher 25 of the pusher mechanism 20 needs to be cleaned, the pusher 25 is in contact with the wiping belt 131, and under the force exerted by the pusher 25 on the wiping belt 131, the wiping belt 131 is clamped and positioned between the positioning block 50 and the pusher. 25, the friction force between the push piece 25 and the wiping belt 131 is increased in this way. When the friction force between the push piece 25 and the wiping belt 131 increases, the push piece 25 of the push piece mechanism 20 is improved. cleaning effect.

It should be noted here that when the wiping tape 131 is wound from the first winding member 135 to the second winding member 136, it passes through the first opening 1321 and abuts on the positioning block 133, including the following situations:

In one embodiment, the wiping tape 131 is wound from the first winding member 135 on the second winding member 136 , passes through the first opening 1321 , passes through the accommodating cavity and abuts against the positioning block 133 , and is re-threaded through the first opening 1321 into the accommodating cavity. In another embodiment, the wiping tape 131 is wound from the first winding member 135 on the second winding member 136 and passes through the first opening 1321 and passes through the accommodating cavity to abut against the positioning block 133 , and re-enters through other openings in the receiving cavity. In yet another embodiment, the wiping tape 131 is wound from the first winding member 135 on the second winding member 136 , passes through other openings, passes out of the accommodating cavity and abuts against the positioning block 133 , and re-enters through the first opening 1321 in the receiving cavity.

It should also be noted here that the above-mentioned wiping tape 131 is wound from the first winding member 135 to the second winding member 136 and passes through the first opening 1321 and exits the accommodating cavity and abuts against the positioning block 133 . 131 is in contact with a portion of the positioning block 133 , so that when cleaning the push piece 25 , the wiping belt 131 is clamped and positioned between the positioning block 133 and the push piece 25 .

In one embodiment, the tape cassette 132 is a hollow cuboid structure, that is, the cross-sectional shape of the tape cassette 132 is a rectangle, the first winding member 135 and the second winding member 136 are both flat discs, and the first winding The axial direction of the member 135 and the second winding member 136 is parallel to the thickness direction of the tape cassette 132 , and the first winding member 135 and the second winding member 136 are arranged side by side in the tape cassette 132 .

It should be noted here that since the wiping tape 131 is wound around the outer circumference of the first winding member 135 and the second winding member 136 , since the second direction is the width direction of the wiping tape 131 , the second direction is also the tape The thickness direction of the case 132 , or the axial direction of the first winding member 135 and the second winding member 136 .

Specifically, the tape cassette 132 includes a first half-shell 1324 and a second half-shell 1325 which are provided separately. The first half-shell 1324 and the second half-shell 1325 are spliced to form the tape cassette 132 . This arrangement facilitates the assembly of the first winding member 135 , the second winding member 136 and the wiping belt 131 .

In one embodiment, all of the first winding member 135 and the second winding member 136 are provided in the accommodating cavity, the first winding member 135 is provided with a first mounting hole, and the second winding member 136 is provided with a second mounting hole. Installation holes, the tape cassette 132 is provided with a first through hole at a position corresponding to the first installation hole, and a second through hole at a position corresponding to the second installation hole. This arrangement facilitates the external driving mechanism to be installed in the first installation hole from the first through hole and into the second installation hole from the second through hole to drive the wiping tape 131 to rotate relative to the tape cassette 132 . It should be understood that, in other embodiments, parts of the first winding member 135 and the second winding member 136 may also be arranged in the accommodating cavity, and the remaining part of the first winding member 135 passes through the first winding member 135. The remaining part of the second winding member 136 passes through the second through hole and is connected to an external driving mechanism, thereby driving the wiping belt 131 to rotate relative to the tape cassette 132 .

Further, during the movement of the wiping tape 131 relative to the tape cassette 132 , one of the first winding member 135 and the second winding member 136 for winding the wiping tape 131 is used as the active member, and the other is used for winding the wiping tape 131 . pulling action as follower.

Referring to FIG. 17 , the pusher wiping mechanism 10 further includes a third driving member 120 , the third driving member 120 includes a third driving motor 130 and a passive shaft 140 , the third driving motor 130 has a driving shaft 150 , and the first winding member 135 and The driving shaft 150 is connected, and the second winding member 136 is connected with the driven shaft 140 . The third driving motor 130 drives the first winding member 135 to rewind the wiping belt 131 , and at this time the second winding member 136 releases the wiping belt 131 under the pulling action of the wiping belt 131 , so that the plurality of wiping portions 1311 are set in an alternate manner. at the wipe bit. It should be understood that, in other embodiments, the second winding member 136 may also be set to be connected to the driving shaft 150, and the second winding member 136 to be connected to the passive shaft 140, which is not limited herein.

18 and 19, the wiping unit 12 includes a first connecting plate 123 and a second connecting plate 124, the first connecting plate 123 is slidably connected with the fixing base 11, and the second connecting plate 124 is movably connected with the first connecting plate 123, The third driving member 120 is disposed on the first connecting plate 123 , and the accommodating cavity 122 is disposed on the second connecting plate 124 . Wherein, the second connecting plate 124 can be switched between the first position and the second position relative to the first connecting plate 123. When in the first position, the third driving member 120 restricts the tape cassette 132 to the second connecting plate 124 (see Fig. 18), in the second position, the third driving member 120 allows the tape cassette 132 to be separated from the second connecting plate 124 (see Fig. 19).

In the first position, the third driving member 120 restricts the separation of the tape cassette 132 from the second connecting plate 124 to ensure that the tape cassette 132 is firmly connected to the second connecting plate 124 in the normal working state; in the second position, the third driving member 120 allows the tape cassette 132 to be separated from the second connection plate 124, facilitating replacement of the tape cassette 132.

When the second connecting plate 124 is in the first position, the driving shaft 150 passes through the first through hole and passes through the first installation hole, and the passive shaft 140 passes through the second through hole and passes through the second installation hole. In this specific embodiment, when the second connecting plate 124 is in the first position, the driving shaft 150 is inserted through the first installation hole, and the passive shaft 140 is inserted through the second installation hole. At this time, the driving shaft 150 and the passive shaft 140 limit the separation of the cassette assembly from the second connecting plate 124; and when the second connecting plate 124 is in the second position, the active shaft 150 is separated from the first winding member 135, and the passive shaft 140 is separated from the second reel When the winding member 136 is separated, the third driving member 120 will not restrict the separation of the cassette assembly from the second connecting plate 124 at this time.

15 and 16, in one embodiment, the wiping member 13 further includes an elastic pressing piece 137, and the pressing piece 137 is pressed on the driven member to prevent the driven member from rotating, causing the wiping belt 131 to automatically move from the driven member. release on the moving part. Specifically, the tape cassette 132 is provided with a holding port communicating with the accommodating cavity, and the pressing sheet 137 is pressed and held on the follower through the holding port.

It should be understood that, in other embodiments, the connection manner of the first winding member 135 and the second winding member 136 and the third driving member 120 is not limited to this, for example, the first winding member 135 and the third driving member 120 may also be provided. The second winding member 136 protrudes from the tape cassette 132 and is connected to the third driving member 120 .

18 and 19, the sliding plate 122 further includes a mounting piece 125 and a fitting piece 126. The mounting piece 125 is movably connected to one of the first connecting plate 123 and the second connecting plate 124, and the fitting piece 126 is connected to the first connecting plate 126. 123 and the other of the second connection plates 124 are connected. Wherein, the fitting 126 is movably connected with the mounting piece 125 so as to be able to switch between the third position and the fourth position relative to the mounting piece 125 . In the third position, the fitting 126 cooperates with the mounting piece 125 to connect the second connecting plate 124 The second connecting plate 124 is limited to the second position when the second connecting plate 124 is limited to the second position when the fitting member 126 cooperates with the mounting piece 125 in the fourth position. Through the above arrangement, it can be ensured that the second connecting plate 124 is stably located in the first position and the second position.

Specifically, one end of the mounting piece 125 is hinged with the second connecting plate 124 , and the other end is provided with an L-shaped limiting groove 1251 (see FIG. 20 ). Extending into the limiting slot 1251 , the clamping post can move in the limiting slot 1251 . When the clamping column moves to the limit position (third position) of one end in the limiting groove 1251 , the clamping column limits the second connecting plate 124 to the first position, and the clamping column moves to the first position in the limiting groove 1251 . When the other end is at the extreme position (the fourth position), the clamping column limits the second connecting plate 124 to the second position.

In one embodiment, the first opening 1321 is opened at a right-angle vertex of the tape cassette 132, and the positioning block 133 is set at the same right-angled vertex of the tape cassette 132, and a right-angled portion 1331 is formed on the positioning block 133 (refer to FIG. 21 and FIG. 22 ). ), the wiping portion 1311 can be bent under the force exerted by the push piece 25 and abut with the right-angled portion 1331 , so as to locate the wiping portion 1311 and the push piece 25 , so as to facilitate the wiping of the push piece 25 .

Continuing to refer to FIG. 13 and FIG. 23 , in one embodiment, the positioning block 133 is pivotally connected to the tape cassette 132 , and the positioning block 133 can swing relative to the tape cassette 132 . Specifically, the positioning block 133 is pivotally connected to the tape cassette 132 through the first shaft, and the rotation axis of the positioning block 133 relative to the tape cassette 132 is parallel to the rotation axes of the first winding member 135 and the second winding member 136 . Continuing to refer to FIG. 13 , the wiper 13 further includes a limiting member (not shown in the figure) for limiting the swinging position of the positioning block 133 relative to the tape cassette 132 , and the limiting member includes a first sub-limiting member 1381 and a second sub-limiting member 1381 . As for the sub-limiting members 1382 , in the swing direction of the positioning block 133 relative to the tape cassette 132 , the first sub-limiting member 1381 and the second sub-limiting member 1382 are respectively disposed on both sides of the positioning block 133 . In this way, when the push piece 25 exerts a force on the wiping portion 1311 , since the positioning block 133 can rotate relative to the tape cassette 132 , it is convenient for the push piece 25 to push the wiping portion 1311 to abut against the right-angled portion 1331 , which facilitates the positioning of the wiping portion 1311 , the adaptive capability of the positioning block 133 is improved.

The first sub-limiting member 1381 and/or the second sub-limiting member 1382 has elasticity. When the first sub-limiting member 1381 and/or the second sub-limiting member 1382 has elasticity, when the push piece 25 releases the positioning block 133, the positioning block 133 can automatically reset under the action of the elastic restoring force.

The first sub-limiting member 1381 has elasticity. Specifically, the first sub-limiting member 1381 is a torsion spring. The torsion spring includes a second body and a first end and a second end respectively connected to the second body. The second body is connected to the second body. The tape cassette 132 is connected. More specifically, the second body is sleeved on the second shaft protruding from the tape cassette 132 , the first end is abutted with the tape cassette 132 , and the second end is abutted with the positioning block 133 . In this way, when the push piece 25 exerts a force on the wiping belt 131, driven by the wiping belt 131, the positioning block 133 swings relative to the tape cassette 132, and the positioning block 133 urges the torsion spring to elastically deform, thereby fine-tuning the positioning block 133 relative to the belt The position of the box 132 facilitates the contact between the push piece 25 and the wiping portion 1311 and the right-angled portion 1331 , facilitates the positioning of the wiping portion 1311 , and improves the adaptability of the positioning block 133 .

The second sub-limiting member 1382 is a protrusion protruding from the tape cassette 132 to cooperate with the first sub-limiting member 1381 to limit the position of the positioning block 133 relative to the tape cassette 132 . Specifically, the second sub-limiting member 1382 is protruded on the second half-shell 16 .

Continuing to refer to FIG. 22 , in one embodiment, the positioning block 133 is provided with an elastic element 134 , and the elastic element 134 is used for abutting with the wiping belt 131 . Further, the elastic element 134 has a first abutting plane 1341 and a second abutting plane 1342 located on both sides of the right-angled portion 1331 respectively, and the wiping belt 131 abuts both the first abutting plane 1341 and the second abutting plane 1342 . In this way, when the push piece 200 needs to be cleaned, the elastic element 134 is elastically deformed to apply an elastic restoring force to the push piece 25, so that the wiping belt 131 is more tightly clamped between the positioning block 133 and the push piece 25, thereby increasing the pushing force. The frictional force between the sheet 25 and the wiping portion 1311 improves the wiping effect.

Specifically, the elastic element 134 is made of a rubber material, and the elastic element 134 is integrally formed with the positioning block 133 . It should be understood that, in other embodiments, the elastic element 134 is not limited to being made of rubber, and the elastic element 134 may also be provided separately from the positioning block 133 .

13, 16 and 23, in one embodiment, the wiper 13 further includes a first tape guide 1391 and a second tape guide 1392. In the moving direction of the wipe tape 131 relative to the tape cassette 132, the first tape guide The tape guide member 1391 and the second tape guide member 1392 are respectively located upstream and downstream of the positioning block 133 . In this way, when the wiping belt 131 enters and exits the first opening 1321 , the first belt guide member 1391 and the second belt guide member 1392 can limit the angle of the wiping belt 131 and facilitate the tensioning of the wiping belt 131 . Specifically, both the first tape guide 1391 and the second tape guide 1392 are disposed adjacent to the first opening 1321 .

In one embodiment, the tape cassette 132 is further provided with a second opening 1322 that communicates with the accommodating cavity, and the wiper 13 further includes a third tape guide piece 1393 . When the first winding member 135 is wound on the second winding member 136 , it passes through the second opening 1322 and abuts on the third tape guide member 1393 . In this way, the third belt guide member 1393 can play a role of supporting the wiping belt 131 together with the first belt guide member 1391 and the second belt guide member 1392 . The pusher wiping mechanism 10 further includes a counting wheel 1120 (refer to FIG. 14 ) disposed on the first connecting plate 123 , and the wiping belt 131 is clamped between the third belt guide member 1393 and the counting wheel 1120 . When the wiping belt 131 rotates relative to the cassette 132, the counting wheel 1120 rotates under the friction force applied to it by the wiping belt 131, thereby depending on the number of turns or the length of the movement of the wiping belt 131.

Continuing to refer to FIG. 14 , the pusher wiping mechanism 10 further includes a counting disc 1130 and a third sensing switch 1140 , the third sensing switch 1140 is arranged on the first connecting plate 123 , the counting disc 1130 is drivingly connected with the counting wheel 1120 , and the third sensing switch 1140 1140 can sense the number of revolutions of the counting disc 1130 to transmit a signal to the controller, and the controller controls the rotation angle of the third driving member 120 to control the moving length of the wiping belt 131 .

Continuing to refer to FIG. 13 , in a specific embodiment, in the length direction of the tape cassette 132 , the third tape guide member 1393 and the positioning block 133 are respectively provided at two right-angle vertices of the tape cassette 132 . Of course, in other embodiments, the arrangement positions of the counting guide member 80 and the positioning block 133 are not limited.

Specifically, an observation window 1323 is provided on the tape cassette 132 , and the amount of the wiping tape 131 wound on the first winding member 135 and the second winding member 136 can be observed through the observation window 1323 . It should be understood that, in other embodiments, in order to facilitate the observation of the amount of the wiping tape 131 wound on the first winding member 135 and the second winding member 136 , the entire tape cassette 132 may also be made of a transparent material.

The working principle of the tablet pushing device 100 provided by the embodiment of the present invention is as follows:

When it is necessary to level blood on slide 200:

The push piece 25 of the push piece mechanism 20 rotates to the push piece position relative to the mounting base 21 , and the inclination angle between the push piece 25 and the slide glass 200 is in the range of 0°-90° at this time. When the push piece 25 is in contact with the slide glass 200, an interaction force is generated between the slide glass 200 and the push piece 25, and the push piece 25 transmits the force to the mounting block 24, the mounting block 24 compresses the first elastic member 26, the second The mounting plate 212 transmits the above-mentioned force to the second elastic member 29, the second mounting plate 212 slides relative to the first mounting plate 211, and both the first elastic member 26 and the second elastic member 29 are elastically deformed to ensure that the push piece 25 and the load The glass slide 200 is tightly attached everywhere.

When the fourth driving motor 321 of the slide mechanism 30 rotates in the forward direction, it drives the driving wheel 322 to rotate, the belt 323 drives the driven wheel 324 to rotate, the screw rod 325 rotates in the forward direction, and the slide holder 33 drives the slide glass 200 to rotate in the third direction. In the upward movement, the pusher 25 of the pusher mechanism 20 pushes the blood on the slide 200 flat. Then, the slide mechanism 30 returns to the origin.

When the pusher 25 needs to be wiped:

The liquid injection member 110 injects the cleaning medium onto the wiping portion 1311, and the third driving motor 130 rotates to bring the wet wiping portion 1311 to the wiping position. The push piece 25 of the push piece mechanism 20 rotates relative to the mounting seat 21 to the cleaning position, the second driving member 14 drives the wiping unit 12 to reciprocate in the second direction, and the positioning block 133 presses the wiping portion 1311 against the push piece 25 to The wiping of the push piece 25 is realized.

Another embodiment of the present invention further provides a sheet pushing mechanism 20 included in the above sheet pushing device 100 .

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. A blade pushing mechanism, characterized in that, blade pushing mechanism includes:

a mounting seat;

a rotating block and a first driving piece which are both arranged on the mounting seat, wherein the rotating block is pivotally connected with the mounting seat, and the first driving piece is configured to drive the rotating block to rotate around a first axis relative to the mounting seat;

the installation block is used for installing the push piece, the installation block is movably connected with the rotating block, a first elastic piece is arranged between the installation block and the rotating block in a supporting mode, and the installation block can swing relative to the rotating block.

2. The blade pushing mechanism of claim 1 wherein said mounting block is configured to rotate relative to said rotating block about a second axis;

the first elastic piece comprises a first sub-elastic piece and a second sub-elastic piece, and the first sub-elastic piece and the second sub-elastic piece are distributed on two sides of the second axis in the extending direction of the first axis.

3. The blade pushing mechanism of claim 1, wherein the first elastic member is a spring, at least one of the mounting block and the rotating block is provided with a mounting hole, and a portion of the first elastic member is disposed in the mounting hole.

4. The blade pushing mechanism according to claim 1, wherein the mounting base comprises a first mounting plate and a second mounting plate, the second mounting plate is slidably connected to the first mounting plate, and the rotating block and the first driving member are mounted on the second mounting plate;

the sheet pushing mechanism further comprises a second elastic piece, and the second elastic piece is abutted between the first mounting plate and the second mounting plate.

5. The blade pushing mechanism according to claim 4, further comprising a guide member, wherein the guide member comprises a first connecting portion and a limiting portion, one end of the first connecting portion is fixedly connected to the second mounting plate, the limiting portion is fixedly connected to the other end of the first connecting portion, the first connecting portion is slidably connected to the first mounting plate, and the limiting portion is configured to limit the second mounting plate to move to a preset position relative to the first mounting plate.

6. The blade pushing mechanism of claim 5, wherein the second elastic member is a spring, and the second elastic member is sleeved outside the first connecting portion.

7. The blade pushing mechanism of claim 4, further comprising a second slide rail and a second slider, wherein one of the second slide rail and the second slider is disposed on the first mounting plate, the other of the second slide rail and the second slider is disposed on the second mounting plate, and the second mounting plate and the first mounting plate are slidably connected to the second slider through the second slide rail.

8. The blade pushing mechanism of claim 1, further comprising a first sensing switch and a first sensing blade, wherein the first sensing switch is mounted on the mounting base, the first sensing blade is mounted on the driving end of the first driving member or the rotating block, and the first sensing switch is configured to sense a rotation angle of the first sensing blade.

9. The blade pushing mechanism of claim 1, further comprising a blade mounted to the mounting block;

the mounting block comprises a first body and an elastic clamping piece, the first body is movably connected with the rotating block, the first elastic piece is abutted between the first body and the rotating block, and the clamping piece is mounted on the first body; the clamping piece is arranged on the first body, the first body is provided with a clamping opening, and the pushing piece can be pressed between the clamping piece and the first body from the clamping opening.

10. A slide pushing device comprising a slide mechanism for carrying a slide and a slide pushing mechanism as claimed in any one of claims 1 to 9, wherein the slide pushing mechanism and the slide mechanism are arranged to be capable of relative movement.

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