CN110681001B - High-pressure injector handpiece and high-pressure injector - Google Patents
High-pressure injector handpiece and high-pressure injector Download PDFInfo
- Publication number
- CN110681001B CN110681001B CN201911073761.9A CN201911073761A CN110681001B CN 110681001 B CN110681001 B CN 110681001B CN 201911073761 A CN201911073761 A CN 201911073761A CN 110681001 B CN110681001 B CN 110681001B
- Authority
- CN
- China
- Prior art keywords
- driving
- assembly
- transmission shaft
- sliding transmission
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000002347 injection Methods 0.000 description 13
- 239000007924 injection Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 239000002872 contrast media Substances 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 238000002583 angiography Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/007—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests for contrast media
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/2006—Having specific accessories
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
本发明公开一种高压注射器机头和高压注射器，其中，高压注射器机头包括：支架；推杆组件；所述推杆组件安装于所述支架；及驱动机构，所述驱动机构安装于所述支架，所述驱动结构包括滑移传动轴、以及连接所述滑移传动轴和推杆组件的第一驱动组件、第二驱动组件，所述第一驱动组件驱使所述推杆组件和所述滑移传动轴进行转动，所述第二驱动组件驱使所述推杆组件沿所述滑移传动轴进行滑动。本发明技术方案可以简化安装作业要求，提高生产效率。
The present invention discloses a high-pressure injector head and a high-pressure injector, wherein the high-pressure injector head comprises: a bracket; a push rod assembly; the push rod assembly is mounted on the bracket; and a driving mechanism, the driving mechanism is mounted on the bracket, the driving structure comprises a sliding transmission shaft, and a first driving assembly and a second driving assembly connecting the sliding transmission shaft and the push rod assembly, the first driving assembly drives the push rod assembly and the sliding transmission shaft to rotate, and the second driving assembly drives the push rod assembly to slide along the sliding transmission shaft. The technical solution of the present invention can simplify the installation operation requirements and improve production efficiency.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a high-pressure injector head and a high-pressure injector using the same.
Background
The high-pressure injector in the related art is mainly used for injecting contrast agent during angiography and also can be used for injecting contrast agent during CT contrast examination. The function of the high-pressure injector is to ensure that a sufficient amount of high-concentration X-ray contrast agent is rapidly injected into the site to be examined of the patient within a certain period of time. At present, the push rod assembly in the high-pressure injector is not only required to be connected with the piston through rotation, but also required to drive the piston to reciprocate through sliding, so that the requirement on the installation accuracy of the driving mechanism is very high, and the production efficiency is lower.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present application and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide a high-pressure injector head, which aims to simplify the installation operation requirement and improve the production efficiency.
To achieve the above object, the present invention provides a high pressure syringe head comprising:
a bracket;
a push rod assembly mounted to the bracket, and
The driving mechanism is arranged on the support, the driving mechanism comprises a sliding transmission shaft, a first driving assembly and a second driving assembly, the first driving assembly and the second driving assembly are connected with the sliding transmission shaft and the push rod assembly, the first driving assembly drives the push rod assembly to rotate with the sliding transmission shaft, and the second driving assembly drives the push rod assembly to slide along the sliding transmission shaft.
Optionally, the push rod assembly includes:
The second driving assembly is connected to the rod body to drive the rod body to slide along the sliding transmission shaft;
The shaft core is arranged in the rod body, and the first driving component is connected with the shaft core to drive the shaft core to rotate;
the clamping assembly is arranged at one end of the rod body and is in transmission connection with the shaft core, and
And the piston is connected with the clamping assembly.
Optionally, the first driving component includes a first driving piece, connects the first driving piece with the synchronizing wheel subassembly of sliding transmission shaft, and connect the sliding transmission shaft with the gear assembly of axle core, the first driving piece drives the sliding transmission shaft rotates, and drives the axle core rotates.
Optionally, the second driving assembly includes the second driving piece, connects the lead screw subassembly of second driving piece, connect the connecting plate of lead screw subassembly, the connecting plate is connected the body of rod with the transmission shaft slides, and can drive the body of rod is followed the transmission shaft slides that slides.
Optionally, the connecting plate is provided with a shaft hole, and the sliding transmission shaft penetrates through the shaft hole, so that the connecting plate moves along the extending direction of the sliding transmission shaft.
Optionally, the high-pressure injector head further comprises a guide shaft installed on the support, the guide shaft penetrates through the connecting plate, and the extending direction of the guide shaft is the same as that of the sliding transmission shaft, so that the connecting plate is guided to slide.
Optionally, the clamping assembly includes two clamping blocks, two clamping blocks with the axle core transmission is connected, the terminal surface of body of rod one end is formed with the slide, two clamping blocks are located in the slide, two clamping blocks move in opposite directions to the centre gripping is fixed the piston.
Optionally, the push rod assembly further comprises a sheave and two driving pins, the sheave is arranged in the rod body, the sheave is connected to the shaft core, two transfer grooves are formed in the sheave, the two transfer grooves are formed in the circumferential direction of the sheave and the radial outward extension of the sheave, a yielding port is formed in the bottom of the slideway, one end of each driving pin is inserted in one transfer groove, the other end of each driving pin penetrates through the yielding port and is fixedly connected with one clamping block, and the sheave rotates to drive the clamping block to move.
Optionally, the piston includes the connection terminal surface and establishes with protruding the spliced pole of connection terminal surface, the connection terminal surface support hold in the terminal surface of the body of rod, the spliced pole card is held between two the clamp block.
The invention also provides a high-pressure injector, which comprises an injector body and a high-pressure injector head, wherein the high-pressure injector head is any one of the high-pressure injector heads.
According to the technical scheme, the driving mechanism and the push rod assembly are arranged on the support, and the sliding transmission shaft is arranged in the driving mechanism, so that the first driving assembly in the driving mechanism drives the sliding transmission shaft and the push rod assembly to rotate, and the second driving assembly in the driving mechanism drives the push rod assembly to slide along the sliding transmission shaft.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a high pressure injector head according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of the explosive structure of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic view of an exploded view of a portion of a putter assembly according to the present invention;
FIG. 5 is a schematic view of an exploded view of another portion of the putter assembly of the present invention;
FIG. 6 is a schematic cross-sectional view of an embodiment of a putter assembly according to the present invention.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present invention) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
In the present invention, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "fixed" may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout the text is to include three side-by-side schemes, taking "a and/or B as examples", including a scheme, or B scheme, or a scheme that both a and B satisfy. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a high-pressure injector head.
Referring to fig. 1 to 3 in combination, in an embodiment of the present invention, the high pressure injector head includes:
A bracket 100;
A push rod assembly 200, the push rod assembly 200 being mounted to the bracket 100, and
The driving mechanism 300 is mounted on the bracket 100, the driving mechanism comprises a sliding transmission shaft 330, and a first driving assembly 310 and a second driving assembly 320 which are connected with the sliding transmission shaft 330 and the push rod assembly 200, the first driving assembly 310 drives the push rod assembly 200 and the sliding transmission shaft 330 to rotate, and the second driving assembly 320 drives the push rod assembly 200 to slide along the sliding transmission shaft 330.
In the application, the bracket 100 is square, so as to facilitate demolding and manufacturing molding, and the bracket 100 can be made of plastic, so that the bracket is easy to obtain, light in texture and capable of saving production material cost. In one embodiment, a syringe mounting location 110 is concavely formed on one end surface of the support 100, an injection syringe is mounted on the mounting location 110, and a push rod assembly 200 is inserted into the injection syringe, so that a liquid medicine (such as a contrast medium) is rapidly injected into a portion to be inspected of a patient through the reciprocating motion of the push rod assembly 200.
In practical application, the push rod assembly 200 is driven by the sliding transmission shaft 330 to rotate, and is assembled and connected through rotation, and then is connected and fixed with the injection syringe in a matched manner, and then the push rod assembly 200 can reciprocate in a linear motion along the extending direction of the sliding transmission shaft 330 through the guidance of the sliding transmission shaft 330, so that the liquid medicine in the injection syringe is pushed into the part to be inspected of a patient, and the whole high-pressure injection process is completed.
The high-pressure injector head of the present application may be used for injecting the liquid medicine in a single syringe, i.e., by connecting one syringe, or in a double syringe, i.e., by connecting two syringes, and the present application is not particularly limited thereto.
According to the technical scheme, the driving mechanism 300 and the push rod assembly 200 are arranged on the bracket 100, and the sliding transmission shaft 330 is arranged in the driving mechanism 300, so that the first driving assembly 310 in the driving mechanism 300 drives the sliding transmission shaft 330 and the push rod assembly 200 to rotate, and the second driving assembly 320 in the driving mechanism 300 drives the push rod assembly 200 to slide along the sliding transmission shaft 330.
Referring to fig. 4 to 6, in an embodiment of the application, the push rod assembly 200 includes a rod 210, a shaft 230, a clamping assembly and a piston 240. The second driving assembly 320 is connected to the rod 210 to drive the rod 210 to slide along the sliding transmission shaft 330, the shaft core 230 is disposed in the rod 210, the first driving assembly 310 is connected to the shaft core 230 to drive the shaft core 230 to rotate, and the clamping assembly is disposed at one end of the rod 210 and is in transmission connection with the shaft core 230 to connect the piston 240 to the clamping assembly.
In this embodiment, the rod body 210 is a hollow cylindrical structure, the shaft core 230 is accommodated in a hollow portion of the rod body 210, so that the first driving component 310 drives the sliding transmission shaft 330 to rotate, thereby driving the shaft core 230 to rotate in the rod body 210, and driving the clamping component to act through the rotating shaft core 230, so that the clamping component clamps and fixes the piston 240 to complete the assembly connection process of the push rod component 200, and the second driving component 320 drives the rod body 210 to linearly move, thereby driving the whole push rod component 200 to reciprocate along the axial direction of the sliding transmission shaft 330 to complete the injection process of the liquid medicine in the injection syringe. Therefore, the rotation process and the pushing process of the push rod assembly 200 are completed through the sliding transmission shaft 330, the installation accuracy requirement of the driving mechanism 300 is reduced, the installation operation process is simplified, and the production efficiency is improved.
In the present application, referring to fig. 1 and 2, the first driving assembly 310 includes a first driving member 311, a synchronizing wheel assembly 312 connecting the first driving member 311 and the sliding transmission shaft 330, and a gear assembly 313 connecting the sliding transmission shaft 330 and the shaft core 230, wherein the first driving member 311 drives the sliding transmission shaft 330 to rotate and drives the shaft core 230 to rotate. Specifically, the first driving member 311 may be a driving motor, and the synchronizing wheel assembly 312 includes a driving wheel, a driven wheel, and a belt cooperating with the driving wheel and the driven wheel, and the gear assembly 313 includes a driving gear mounted on the sliding transmission shaft 330 and a driven gear mounted on the shaft core 230, wherein the driving gear is engaged with the driven gear. In practical application, the first driving piece 311 drives the synchronous wheel assembly 312 to rotate and drives the sliding transmission shaft 330 to rotate, and the rotation driving gear assembly 313 of the sliding transmission shaft 330 rotates to drive the shaft core 230 to rotate.
In an embodiment, the second driving assembly 320 includes a second driving member 321, a screw assembly 322 connected to the second driving member 321, and a connecting plate 323 connected to the screw assembly 322, where the connecting plate 323 connects the rod 210 and the sliding transmission shaft 330, and can drive the rod 210 to slide along the sliding transmission shaft 330. The second driving member 321 may be a driving motor, the lead screw assembly 322 is connected to an output end of the driving motor, so that the rotational power of the second driving member 321 is converted into linear motion through the lead screw assembly 322, and then the connecting plate 323 pushes the rod body 210 to perform linear motion along the sliding transmission shaft 330 connected with the connecting plate 323, the connecting plate 323 may be a square plate body, an end surface of the rod body 210, which is far away from one end of the piston 240, abuts against one side of the connecting plate 323, and the connecting plate 323 and the sliding transmission shaft 330 are movably connected, for example, the sliding transmission shaft 330 may be embedded in an edge of the connecting plate 323, so that the sliding transmission shaft 330 can rotate at the edge of the connecting plate 323, and then the connecting plate 323 can reciprocate along the sliding transmission shaft 330. In this installation mode, the rod body 210 is guided to reciprocate by the sliding transmission shaft 330 for transmitting rotation, so that the liquid injection is completed, the operation flow is simplified, and the production efficiency is improved.
In an embodiment of the present application, the connecting plate 323 is provided with a shaft hole (not labeled), and the sliding transmission shaft 330 is inserted into the shaft hole, so that the connecting plate 323 moves along the extending direction of the sliding transmission shaft 330. That is, the sliding transmission shaft 330 is inserted through the connection plate 323, and by means of the shaft hole, the connection plate 323 can rectify deviation when moving along the sliding transmission shaft 330, so as to ensure that the push rod assembly 200 cannot skew and deviate in the reciprocating process.
In an embodiment of the present application, referring to fig. 1, the high pressure injector head further includes a guide shaft 400 mounted on the support 100, the guide shaft 400 is disposed through the connection plate 323, and an extending direction of the guide shaft 400 is the same as an extending direction of the sliding transmission shaft 330, so as to guide the connection plate 323 to slide. In this embodiment, the guide shaft 400 is parallel to the sliding transmission shaft 330, and the guide shaft 400 is located at a corner of the connecting plate 323, so that when the connecting plate 323 drives the push rod assembly 200 to reciprocate, the push rod assembly 200 can be guided by the guide shaft 400, so that the push rod assembly 200 is further ensured to be stable in motion and not to be skewed or deviated.
Referring to fig. 5 and fig. 6 in combination, in the embodiment of the application, the clamping assembly includes two clamping blocks 220, the two clamping blocks 220 are in transmission connection with the shaft core 230, a slide 211 is formed on an end surface of one end of the rod body 210, the two clamping blocks 220 are disposed in the slide 211, and the two clamping blocks 220 move in opposite directions to clamp and fix the piston 240. That is, the rotation of the shaft core 230 is converted into the sliding of the clamping blocks 220, so as to clamp and fix the piston 240, and in this installation mode, the rotation power of the shaft core 230 is converted into the sliding power of the two clamping blocks 220 to clamp the piston 240, so that the two clamping blocks 220 can move in opposite directions to fasten the piston 240, thus the clamping force provided by the two clamping blocks 220 can be applied to the piston 240 in multiple directions, the stress area of the piston 240 is increased, and thus, when the piston 240 performs injection in the injection syringe, no skew or deviation occurs, no gap is generated between the piston 240 and the inner wall of the injection syringe, and the possibility of liquid leakage is prevented.
Further, referring to fig. 4, in an embodiment of the present application, a laterally extending limiting groove (not labeled) is disposed at the bottom of the slide way, and laterally extending limiting portions are disposed at the bottoms of the two clamping blocks, and the limiting portions are engaged with the limiting groove and can slide in the limiting groove. In this embodiment, the longitudinal section shape of slide forms "T" shape, presss from both sides tight piece at the slip in-process, and spacing portion slides in the spacing inslot, presss from both sides tight piece's lateral wall laminating in the lateral wall of slide simultaneously and slides, so for press from both sides tight piece and slide and obtain increasing at the area of contact of slip in-process, spacing portion is spacing in the spacing inslot by the backstop, thereby effectually avoided pressing from both sides tight piece and appear not hard up at the slide slip in-process, and then more stable, firm when the centre gripping piston.
In the present application, the push rod assembly 200 further includes a sheave 250 and two driving pins 260, the sheave 250 is disposed in the rod body 210, the sheave 250 is connected to the shaft core 230, the sheave 250 is provided with two switching grooves 251, the two switching grooves 251 extend outward along the circumferential direction of the sheave 250 and along the radial direction of the sheave 250, the bottom of the slideway 211 is provided with a yielding port 212, one end of each driving pin 260 is inserted into one switching groove 251, the other end penetrates through the yielding port 212 and is fixedly connected with one clamping block 220, and the sheave 250 rotates to drive the clamping block 220 to move.
In the embodiment of the invention, the rotation of the shaft core 230 drives the sheave 250 to rotate, and the rotation power is converted into linear motion through the transfer groove 251 of the sheave 250, so that the driving pin 260 can pass through the yielding port 212 at the bottom of the slideway 211 to connect the fixed sheave 250 and the clamping block 220, and the driving pin 260 rotates along the extending direction of the transfer groove 251 when the sheave 250 rotates because the two transfer grooves 251 are arranged along the circumferential direction of the sheave 250 and extend outwards along the radial direction of the sheave 250, and the clamping block connected with the driving pin 260 can slide in the slideway 211 under the driving of the driving pin 260. It will be appreciated that the forward and reverse rotation of the sheave 250 can drive the two clamp blocks toward and away from each other. The piston 240 can be assembled and disassembled, the operation is simple and convenient, the assembly is stable and reliable,
Further, referring to fig. 4, the piston 240 of the present application includes a connecting end face 241 and a connecting post 242 protruding from the connecting end face 241, the connecting end face 241 abuts against the end face of the rod 210, and the connecting post 242 is clamped between the two clamping blocks 220. The connecting posts 242 are clamped between the clamping blocks 220, so that the effective area of the clamping blocks 220 for clamping the piston 240 can be increased, the piston 240 is more stable after being installed, and cannot shake in the liquid pushing injection process, and the contact area of the piston 240 and the rod body 210 is increased by abutting the connecting end face 241 with the end face of the rod body 210, so that the piston 240 cannot be inclined when moving in an injection syringe, and the phenomenon of liquid leakage is avoided.
The invention also provides a high-pressure injector, which comprises an injector body (not shown) and a high-pressure injector head, wherein the injector body is connected to one side of the high-pressure injector head, and the specific structure of the high-pressure injector head refers to the above embodiment.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (7)
1. A high pressure injector head comprising:
a bracket;
a push rod assembly mounted to the bracket, and
The driving mechanism is arranged on the bracket and comprises a sliding transmission shaft, a first driving assembly and a second driving assembly, wherein the first driving assembly and the second driving assembly are connected with the sliding transmission shaft and the push rod assembly, the first driving assembly drives the push rod assembly and the sliding transmission shaft to rotate, and the second driving assembly drives the push rod assembly to slide along the sliding transmission shaft;
the push rod assembly includes:
The second driving assembly is connected to the rod body to drive the rod body to slide along the sliding transmission shaft;
The shaft core is arranged in the rod body, and the first driving component is connected with the shaft core to drive the shaft core to rotate;
the clamping assembly is arranged at one end of the rod body and is in transmission connection with the shaft core, and
A piston connected to the clamping assembly;
The first driving component comprises a first driving piece, a synchronous wheel component connected with the first driving piece and the sliding transmission shaft, and a gear component connected with the sliding transmission shaft and the shaft core, and the first driving piece drives the sliding transmission shaft to rotate and drives the shaft core to rotate;
the second driving assembly comprises a second driving piece, a screw rod assembly connected with the second driving piece and a connecting plate connected with the screw rod assembly, wherein the connecting plate is connected with the rod body and the sliding transmission shaft and can drive the rod body to slide along the sliding transmission shaft.
2. The high pressure injector head of claim 1, wherein the connection plate is provided with a shaft hole, and the sliding transmission shaft is penetrated through the shaft hole, so that the connection plate moves along the extending direction of the sliding transmission shaft.
3. The high pressure injector head of claim 1, further comprising a guide shaft mounted to the bracket, the guide shaft penetrating the connection plate, and the guide shaft extending in the same direction as the sliding transmission shaft so as to guide the connection plate to slide.
4. A high pressure injector head as claimed in any one of claims 1 to 3 wherein the clamping assembly comprises two clamping blocks, the two clamping blocks are in driving connection with the shaft core, a slideway is formed on the end face of one end of the rod body, the two clamping blocks are arranged in the slideway, and the two clamping blocks move towards each other to clamp and fix the piston.
5. The head of the high pressure injector of claim 4, wherein the push rod assembly further comprises a grooved wheel and two driving pins, the grooved wheel is arranged in the rod body and connected with the shaft core, the grooved wheel is provided with two switching grooves, the two switching grooves extend outwards along the circumferential direction of the grooved wheel and the radial direction of the grooved wheel, the bottom of the slideway is provided with a yielding port, one end of each driving pin is inserted into one switching groove, and the other end of each driving pin penetrates through the yielding port and is fixedly connected with one clamping block, and the grooved wheel rotates to drive the clamping block to move.
6. The head of the high-pressure injector according to claim 4, wherein the piston comprises a connecting end face and a connecting column protruding from the connecting end face, the connecting end face abuts against the end face of the rod body, and the connecting column is clamped between the two clamping blocks.
7. A high pressure injector comprising an injector body and a high pressure injector head, the high pressure injector head being as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073761.9A CN110681001B (en) | 2019-11-05 | 2019-11-05 | High-pressure injector handpiece and high-pressure injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911073761.9A CN110681001B (en) | 2019-11-05 | 2019-11-05 | High-pressure injector handpiece and high-pressure injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110681001A CN110681001A (en) | 2020-01-14 |
| CN110681001B true CN110681001B (en) | 2025-02-14 |
Family
ID=69116783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911073761.9A Active CN110681001B (en) | 2019-11-05 | 2019-11-05 | High-pressure injector handpiece and high-pressure injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110681001B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211724256U (en) * | 2019-11-05 | 2020-10-23 | 广东安特医疗有限公司 | High-pressure injector head and high-pressure injector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4975208B2 (en) * | 2000-10-03 | 2012-07-11 | 株式会社根本杏林堂 | Automatic injection equipment |
| US7670315B2 (en) * | 2005-01-21 | 2010-03-02 | Medrad, Inc. | Injectors, injector systems and methods for injecting fluids |
| CN207384561U (en) * | 2017-03-13 | 2018-05-22 | 深圳安特医疗股份有限公司 | High pressure injector head and high pressure injector |
| CN207520415U (en) * | 2017-03-17 | 2018-06-22 | 深圳安特医疗股份有限公司 | Injection device |
-
2019
- 2019-11-05 CN CN201911073761.9A patent/CN110681001B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211724256U (en) * | 2019-11-05 | 2020-10-23 | 广东安特医疗有限公司 | High-pressure injector head and high-pressure injector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110681001A (en) | 2020-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2608821B1 (en) | Iv pump and cassette system | |
| CN210205514U (en) | A fully automatic micro pump syringe | |
| CN205698713U (en) | A kind of with ultrasound electric machine be drive syringe pump without magnetic | |
| CN110681001B (en) | High-pressure injector handpiece and high-pressure injector | |
| CN210813165U (en) | Disposable precision quantitative injector | |
| CN211724256U (en) | High-pressure injector head and high-pressure injector | |
| KR20190118460A (en) | Automatic procedure apparatus for multi-needle module | |
| CN111374736A (en) | Puncture needle unlocking device, puncture module and ultrasonic puncture guiding equipment | |
| JP6768085B2 (en) | Chemical injection device | |
| CN109621080B (en) | Infusion pump | |
| CN210343627U (en) | Multi-head micro-liquid injection pump | |
| CN210239922U (en) | Liquid injection pump | |
| CN113857004B (en) | Novel epoxy glue injection pump | |
| CN211448985U (en) | Quantitative diaphragm pump | |
| CN113289151A (en) | Injection device combined with force-controlled servo push rod | |
| CN221535218U (en) | Auxiliary device of injector | |
| CN219005847U (en) | Syringe assembly equipment tool | |
| CN219646444U (en) | Multi-needle structure capable of freely adjusting needle insertion depth | |
| CN217019425U (en) | Intubation drilling tool | |
| CN215083455U (en) | Rotary propelling type injector | |
| CN219167335U (en) | High-pressure injector with stable injection | |
| CN215386878U (en) | Picc catheter fixing device | |
| CN209933633U (en) | Peristaltic pump with improved blood purification equipment and structure | |
| CN217286732U (en) | Multi-channel combined structure type injection pump | |
| CN221181240U (en) | Injector propulsion mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |