CN219461096U - Dental mirror - Google Patents

Abstract

The utility model relates to the technical field of oral surgery appliances, in particular to a stomatological oral mirror. A stomatological oral mirror, comprising an oral lens, the side wall of the oral lens is fixedly equipped with two connecting ears, a connecting shaft is fixedly installed between the two connecting ears, and the surface of the connecting shaft is rotatably sleeved with A fixed shaft, a slide bar is fixedly installed on the surface of the fixed shaft. When the utility model needs to adjust the angle to facilitate operation and observation, the driving mechanism can be directly used to drive the oral lens to rotate between the connecting shaft and the fixed shaft, without taking out the oral lens to adjust the angle, and at the same time, for the convenience of operation The user can hold the sliding sleeve on the sliding rod to change the length of the entire handle, and then use the restriction mechanism to restrict the sliding sleeve so that the sliding sleeve cannot slide, which is convenient for use, and avoids the inconvenience of holding or holding the handle with a long length. The shorter length is inconvenient for better penetration.

Description

stomatology dental mirror

technical field

The utility model relates to the technical field of oral surgery appliances, in particular to a stomatological oral mirror.

Background technique

Dental mirror, as one of the commonly used medical devices in oral clinical diagnosis and treatment, helps doctors to perform oral examination better. The general way of use is that the doctor holds the oral mirror and inserts it into the patient's mouth. The appearance of the oral mirror has brought a new model for the examination and treatment of the oral cavity. When the patient's lesion is displayed in front of the patient, no more Description or expertise.

The patent with the publication number CN211911560U discloses a dental mirror for oral medicine. Compared with the prior art, the mirror arm and the handle are connected by spring thimbles, which can adjust the angle between the mirror surface and the handle, and the disassembly and assembly of the mirror arm and the handle. Convenient and convenient for disinfection, the heater on the back of the reflector can avoid fogging, and the LED light on the frame is convenient for doctors to observe, and the image is clearer.

This patent has the following disadvantages. The angle between the mirror and the handle is adjusted by the thimble. In actual use, only after the mirror is inserted into the patient's mouth can the angle be adjusted. When using the thimble to adjust, it is necessary to It is cumbersome to take out the lens and then adjust it, and it is not known how much to adjust to just for observation and use, so it is more inconvenient in actual use.

Utility model content

The purpose of this utility model is to provide a dental mirror, which solves the problem of adjusting the angle between the mirror surface and the handle through the thimble in the prior art. How much to adjust the angle, but when using the thimble to adjust, you need to take out the lens and then adjust it, which is troublesome, and you don’t know how much to adjust to just for observation, so it is more inconvenient in actual use question.

In order to achieve the above object, the utility model adopts the following technical solutions:

A stomatological oral mirror, comprising an oral lens, the side wall of the oral lens is fixedly installed with two connecting ears, and a connecting shaft is fixedly installed between the two connecting ears, and the surface of the connecting shaft is rotatably provided with A fixed shaft, the surface of the fixed shaft is fixedly equipped with a slide bar, the surface sliding sleeve of the slide bar is provided with a sliding sleeve, and the surface of the slide bar is provided with a limiting mechanism for restricting the sliding of the sliding sleeve, the slide bar A driving mechanism for driving the oral lens to rotate around the connecting shaft is arranged inside.

Preferably, the drive mechanism includes a worm gear, a worm, a transmission rod and a handle, the worm gear is fixedly mounted on the surface of the connecting shaft, the worm gear is located inside the fixed shaft, and the transmission rod is rotatably inserted inside the slide bar, so A worm is fixedly installed on the surface of the transmission rod, and the worm is meshed with the worm gear, and the handle is fixedly installed on the port of the transmission rod.

Preferably, a first long groove is opened on the surface of the sliding sleeve, the handle is located inside the first long groove, and the handle protrudes from the first long groove.

Preferably, the restricting mechanism includes a fixed block, a pressing plate, a spring, a clamping block, a connecting block and a pressing block, the fixed block is fixedly installed on the surface of the slide bar, and the position of the surface of the pressing plate close to the port is rotatably connected with the fixed block , the two ends of the spring are respectively fixedly connected to the pressure plate and the fixed block, the connection block is fixedly installed on the port of the pressure plate, the press block is fixedly installed on the top of the connection block, and the clamping block is fixedly installed on the top of the pressure plate, The surface of the sliding sleeve is provided with a second long groove, the fixed block is slidably connected to the second long groove, the cross section of the second long groove is a "convex" shape structure, and the top wall of the second long groove Card slots matching the size of the card block are uniformly opened.

Preferably, the connecting block is located between the tops of the "convex" shaped second long grooves and protrudes from the second long grooves.

Preferably, the first long groove and the second long groove are opened on opposite surfaces of the sliding sleeve.

The utility model at least has the following beneficial effects:

When it is necessary to adjust the angle to facilitate operation and observation, the oral lens can be directly driven by the driving mechanism and rotated between the connecting shaft and the fixed shaft. There is no need to take out the oral lens to adjust the angle, and at the same time, it is convenient for the operator to hold , the sliding sleeve can be slid on the sliding rod, thereby changing the length of the entire handle, and then restricted by the restricting mechanism, so that the sliding sleeve cannot slide, so that it is convenient to use, avoiding the long length of the handle which is inconvenient to hold or the length is short Inconvenient better reach into the situation.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the utility model. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a dismantling diagram of Fig. 1 of the utility model;

Fig. 3 is a structural schematic diagram of place A in Fig. 2 of the utility model;

Fig. 4 is a sectional view of the utility model sliding sleeve;

Fig. 5 is a schematic diagram of the block structure of the utility model;

Fig. 6 is a schematic diagram of the structure of the second long groove of the present invention.

In the figure: 1. oral lens; 2. connecting ear; 3. fixed shaft; 4. sliding rod; 5. sliding sleeve; 6. turning handle; 7. first long slot; 8. worm; 1, connecting shaft; 11, turbine; 12, card slot; 13, second long slot; 14, press block; 15, block; 16, pressure plate; 17, spring; 18, connection block; 19, fixed block.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. In addition, the terms "first", "second", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

The electrical components appearing in this article are all connected with the external main controller and 220V mains electricity, and the main controller can be a conventional known device that plays a control such as a computer.

In the description of the embodiments of the present utility model, it should be noted that the orientations or positional relationships indicated by the terms "inner", "outer", and "upper" are based on the orientations or positional relationships shown in the accompanying drawings, or the practical The usual orientation or positional relationship of the new product in use is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it cannot be understood as a limitation of the present utility model.

Referring to Figures 1-6, a dental mirror includes an oral lens 1, two connecting ears 2 are fixedly installed on the side wall of the oral lens 1, and a connecting shaft 10 is fixedly installed between the two connecting ears 2, and the connecting shaft 10 The surface of the rotating sleeve is provided with a fixed shaft 3, and the surface of the fixed shaft 3 is fixedly equipped with a slide bar 4, and the surface sliding sleeve of the slide bar 4 is provided with a slide sleeve 5, and the surface of the slide bar 4 is provided with a slide for limiting the slide sleeve 5 to slide. As a limiting mechanism, the inside of the slide bar 4 is provided with a drive mechanism for driving the oral lens 1 to rotate around the connecting shaft 10. During use, the sliding sleeve 5 is directly held by hand, and the entire oral lens 1 is inserted into the patient's oral cavity. When it is necessary to adjust the angle to facilitate operation and observation, the oral lens 1 can be directly driven by the driving mechanism to rotate between the connecting shaft 10 and the fixed shaft 3. At the same time, for the convenience of the operator to hold, the sliding sleeve 5 can be placed on the sliding The rod 4 slides, thereby changing the length of the entire handle, and then restricts it with a restricting mechanism, so that the sliding sleeve 5 cannot slide, so that it is convenient to use, and it is better to avoid a longer handle that is inconvenient to hold or a shorter length. Intrusion situation.

Further, the driving mechanism includes a worm gear 11, a worm 8, a transmission rod 9 and a handle 6, the worm gear 11 is fixedly mounted on the surface of the connecting shaft 10, the worm gear 11 is located inside the fixed shaft 3, and the transmission rod 9 is rotatably inserted in the slide bar 4 Inside, a worm 8 is fixedly installed on the surface of the transmission rod 9, and the worm 8 and the worm gear 11 are meshed. 6 drives the transmission rod 9 to rotate, the transmission rod 9 drives the worm 8 to rotate, the worm 8 drives the turbine 11 to rotate, the turbine 11 drives the connecting shaft 10, the connecting ear 2 and the entire oral lens 1 and the fixed shaft 3 to rotate, Easy to operate.

Further, the surface of the sliding sleeve 5 is provided with a first long groove 7, the turning handle 6 is located inside the first long groove 7, and the turning handle 6 protrudes from the first long groove 7, and the turning handle 6 protrudes from the first long groove 7, which is convenient Toggle with fingers, the setting of the first long slot 7 facilitates sliding of the entire slide bar 4 and the handle 6.

Further, the restriction mechanism includes a fixed block 19, a pressing plate 16, a spring 17, a clamping block 15, a connecting block 18 and a pressing block 14, the fixed block 19 is fixedly installed on the surface of the slide bar 4, and the position and fixing of the surface of the pressing plate 16 near the port The block 19 is rotationally connected, and the two ends of the spring 17 are fixedly connected with the pressing plate 16 and the fixed block 19 respectively, the connecting block 18 is fixedly installed on the port of the pressing plate 16, the pressing block 14 is fixedly installed on the top of the connecting block 18, and the clamping block 15 is fixedly installed on the The top of the pressure plate 16, the surface of the sliding sleeve 5 is provided with a second long groove 13, the fixed block 19 is slidingly connected with the second long groove 13, the cross section of the second long groove 13 is a "convex" shape structure, the second long groove 13 The top wall of the top wall is uniformly provided with a card slot 12 matching the size of the block 15. When the restriction mechanism is in use, under the natural state, the pressure plate 16 is subjected to the elastic force of the spring 17, so that the pressure plate 16 is subjected to an upward force, and then the block 15 is stuck in the card slot 12, so that sliding between the sliding sleeve 5 and the sliding rod 4 cannot be performed. When sliding is required, press the pressing block 14 directly, and the pressing block 14 drives the connecting block 18 to move down, and the connecting block 18 drives The pressing plate 16 rotates downward, so that the clamping block 15 is separated from the clamping groove 12, and the spring 17 is compressed at the same time. At this time, since the clamping block 15 is separated from the clamping groove 12, the entire sliding sleeve 5 can be slid, and after sliding to a suitable position, directly When the block is sent, under the restoring force of the spring 17, the pressing plate 16 rotates upwards, driving the block 15 to move up, and then the block 15 is engaged with the corresponding slot 12 again, which is convenient for operation.

Further, the connecting block 18 is located between the tops of the "convex" shaped second long slots 13 and protrudes from the second long slots 13 .

Further, the first long groove 7 and the second long groove 13 are opened on opposite surfaces of the sliding sleeve 5 .

To sum up, in use, directly hold the sliding sleeve 5 by hand, and insert the entire oral lens 1 into the patient's oral cavity. Just rotate between the shaft 10 and the fixed shaft 3, without taking out the oral lens 1 for angle adjustment, and at the same time, for the convenience of the operator to hold, the sliding sleeve 5 can slide on the sliding rod 4, thereby changing the length of the entire handle , and then use the limiting mechanism to limit, so that the sliding sleeve 5 cannot slide, so that it is convenient to use, avoiding the situation that the length of the handle is too long to be inconvenient to hold or the length of the handle is too short to be inconvenient for better insertion. When the driving mechanism is in use, Turn the handle 6 directly with your fingers, the handle 6 drives the transmission rod 9 to rotate, the transmission rod 9 drives the worm 8 to rotate, the worm 8 drives the turbine 11 to rotate, and the turbine 11 drives the connecting shaft 10, the connecting ear 2 and the entire oral lens 1 rotates with the fixed shaft 3, which is convenient for operation. The turning handle 6 protrudes from the first long groove 7, which is convenient to move with fingers. The setting of the first long groove 7 facilitates sliding of the entire slide bar 4 and turning handle 6 When the limiting mechanism is in use, in a natural state, the pressure plate 16 is subjected to the elastic force of the spring 17, so that the pressure plate 16 is subjected to an upward force, and then the block 15 is stuck in the slot 12, so that the gap between the sliding sleeve 5 and the sliding rod 4 Unable to slide, when it is necessary to slide, press the block 14 directly, the block 14 drives the connecting block 18 to move down, and the connecting block 18 drives the pressing plate 16 to rotate downward, so that the block 15 is separated from the slot 12, while the spring 17 At this time, since the clamping block 15 is out of the clamping groove 12, the entire sliding sleeve 5 can be slid, and after sliding to a suitable position, the mounting block is directly sent, and under the restoring force of the spring 17, the pressing plate 16 rotates upward to drive The locking block 15 moves upward, and then the locking block 15 engages with the corresponding locking slot 12 again, which is convenient for operation.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions describe only the principle of the utility model. There will be various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a stomatology mouth mirror, its characterized in that, includes oral cavity lens (1), the lateral wall fixed mounting of oral cavity lens (1) has two engaging lugs (2), two fixed mounting has connecting axle (10) between engaging lugs (2), the surface rotation cover of connecting axle (10) is equipped with fixed axle (3), the surface fixed mounting of fixed axle (3) has slide bar (4), the surface slip cap of slide bar (4) is equipped with sliding sleeve (5), the surface of slide bar (4) is provided with and is used for restricting sliding sleeve (5) and carries out gliding restriction mechanism, the inside of slide bar (4) is provided with and is used for driving oral cavity lens (1) and carries out pivoted actuating mechanism around connecting axle (10).

2. The stomatoscope according to claim 1, wherein the driving mechanism comprises a turbine (11), a worm (8), a transmission rod (9) and a rotating handle (6), the turbine (11) is fixedly installed on the surface of the connecting shaft (10), the turbine (11) is located in the fixed shaft (3), the transmission rod (9) is rotatably inserted into the sliding rod (4), the worm (8) is fixedly installed on the surface of the transmission rod (9), the worm (8) is meshed with the turbine (11), and the rotating handle (6) is fixedly installed at a port of the transmission rod (9).

3. An stomatoscope according to claim 2, characterised in that the surface of the sliding sleeve (5) is provided with a first elongate slot (7), the handle (6) is located inside the first elongate slot (7), and the handle (6) protrudes out of the first elongate slot (7).

4. An oral cavity medical stomatoscope according to claim 3, characterized in that the limiting mechanism comprises a fixed block (19), a pressing plate (16), a spring (17), a clamping block (15), a connecting block (18) and a pressing block (14), wherein the fixed block (19) is fixedly arranged on the surface of the sliding rod (4), the position, close to a port, of the surface of the pressing plate (16) is rotationally connected with the fixed block (19), two ends of the spring (17) are respectively fixedly connected with the pressing plate (16) and the fixed block (19), the connecting block (18) is fixedly arranged at the port of the pressing plate (16), the pressing block (14) is fixedly arranged at the top end of the connecting block (18), the clamping block (15) is fixedly arranged at the top of the pressing plate (16), a second long groove (13) is formed in the surface of the sliding sleeve (5), the fixed block (19) is in sliding connection with the second long groove (13), the cross section of the second long groove (13) is of a 'convex' structure, and the top wall of the second long groove (13) is uniformly provided with the clamping block (15) with the clamping block (12) in the same size.

5. An stomatoscope according to claim 4, characterised in that the connecting piece (18) is located between the tops of the "convex" shaped second elongate slots (13) and protrudes from the second elongate slots (13).

6. An stomatoscope according to claim 4, characterised in that the first and second elongate grooves (7, 13) are formed in opposite faces of the sliding sleeve (5).