CN214017966U - Animal experiment medicine injection device - Google Patents
Animal experiment medicine injection device Download PDFInfo
- Publication number
- CN214017966U CN214017966U CN202020742709.XU CN202020742709U CN214017966U CN 214017966 U CN214017966 U CN 214017966U CN 202020742709 U CN202020742709 U CN 202020742709U CN 214017966 U CN214017966 U CN 214017966U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- sleeve
- gear
- motor
- rear end
- 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
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the technical field of experimental apparatus, concretely relates to animal experiment medicine injection device, including inside sleeve pipe (1) that is equipped with cylinder (2) and handle (4) that link to each other, inside is equipped with motor (5) with sleeve pipe (1), set up connecting rod (9) that are used for injecting the medicine on cylinder (2), motor (5) are used for push-and-pull connecting rod (9) to realize the injection of cylinder (2). The utility model discloses the device can control opening of motor (5) through press switch (6) and stop, corotation, the reversal, motor (5) drive second gear (7) are rotatory, second gear (7) drive is rotatory rather than first gear (8) of meshing, end cover (13) synchronous revolution thereupon, connecting rod (9) are flexible around realizing and are removed, piston (11) are along with connecting rod (9) synchronous motion, realize taking out medicine and injection, the removal of piston (11) is conveniently controlled, thereby the dose of control injection that can be strict, be favorable to improving the accuracy of experiment.
Description
Technical Field
The utility model belongs to the technical field of experimental apparatus, concretely relates to animal experiment medicine injection device.
Background
Animal experiments, which refer to scientific research conducted in laboratories using animals in order to gain new knowledge about biology, medicine, etc., or to solve specific problems. Animal experiments must be performed by or under the direction of trained, academic or professional skilled personnel. The final aim of the scientific development of experimental animals is to develop into human beings by researching the life phenomena of the animals, explore the mystery of human life, control the diseases and aging of the human beings and prolong the life of the human beings. Animal implementation often needs to inject drugs into animals, and then detects various body numerical changes of the animals at intervals, in order to improve the accuracy of experiments, a plurality of samples are usually set during experiments, i.e. injection needs to be performed on a plurality of animals, the amount of the drugs injected into each animal needs to be kept consistent, and a common injector is pushed by pressing, so that the control is not convenient, and more or less injections are easy to occur.
SUMMERY OF THE UTILITY MODEL
To overcome the disadvantages of the prior art, the present invention provides an injection device. The device can conveniently carry out liquid medicine injection to a plurality of animals in animal experiments to the dose of liquid medicine of accurate control injection.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the animal experiment medicine injection device comprises a sleeve with a needle cylinder arranged inside and a handle connected with the sleeve and provided with a motor inside, wherein a connecting rod for injecting medicine is arranged on the needle cylinder, and the motor is used for pushing and pulling the connecting rod to realize injection of the needle cylinder.
Further, in the present invention,
the front end of the needle cylinder is fixedly provided with a needle head, and the needle head is positioned outside the front end of the sleeve;
a piston is arranged in the inner cavity of the needle cylinder, and the piston is in sliding connection with the needle cylinder;
the rear side of the piston is fixedly connected with the top end of the connecting rod, and the rear end of the connecting rod extends out of the rear end of the sleeve;
the rear end of the connecting rod is provided with threads, the rear end of the sleeve is provided with a circular end cover, and the end cover can rotate around the center of a circle of the end cover at the rear end of the sleeve;
the rear end of the connecting rod penetrates through the end cover and is in threaded connection with the end cover through the threads;
the outer side of the end cover is welded with a first gear coaxial with the end cover, and the tail end of the connecting rod penetrates through the first gear.
Further, the handle is fixedly connected with one side of the sleeve, the handle is of a hollow shell structure, the motor is fixedly installed in an inner cavity of the handle, the tail end of an output shaft of the motor penetrates through the outside of the handle, a second gear is installed on the tail end of the output shaft, and the second gear is meshed with the first gear.
Further, the inner wall of the rear end of the sleeve is fixedly provided with a clamping ring, the outer wall of the end cover is provided with a clamping groove, and the end cover is connected with the rear end of the sleeve through the clamping groove.
Furthermore, the rear end of the needle cylinder is fixedly provided with a circular plate, the connecting rod penetrates through the circular plate and is in sliding connection with the circular plate, and the circular plate is used for sealing the rear end of the needle cylinder and limiting the piston.
Furthermore, a circular hole is formed in the circle center of the first gear, and the connecting rod penetrates through the circular hole and is in clearance fit with the circular hole.
Furthermore, a transparent observation window is arranged on the side surface of the sleeve.
Further, a battery is installed in the inner cavity of the handle and connected with the motor through a switch, the switch is installed on the inner side of the handle, and the switch can control starting, stopping, forward rotation and reverse rotation of the motor.
The utility model has the advantages as follows:
the utility model discloses the device can control opening of motor 5 through press switch 6 and stop, corotation, the reversal, motor 5 drive second gear 7 is rotatory, second gear 7 drive is rotatory rather than the first gear 8 of meshing, end cover 13 synchronous revolution thereupon, connecting rod 9 realizes the front and back flexible removal, piston 11 is along with connecting rod 9 synchronous motion, realize taking out medicine and injection, piston 11's removal is conveniently controlled, thereby the dose of control injection that can be strict is favorable to improving the accuracy of experiment.
Drawings
FIG. 1 is a schematic view of an animal experiment drug injection device according to an embodiment of the present invention;
FIG. 2 is a view in the direction A of FIG. 1;
FIG. 3 is a view from the direction B of FIG. 1;
in the figure: 1-cannula, 2-syringe, 3-needle, 4-handle, 5-motor, 6-switch, 7-second gear, 8-first gear, 9-connecting rod, 10-observation window, 11-piston, 12-circular plate, 13-end cover and 14-snap ring.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1, 2 and 3, the animal experiment medicine injection device comprises a cannula 1, a syringe 2, a needle 3, a handle 4, a motor 5, a switch 6, a second gear 7, a first gear 8, a connecting rod 9, a piston 11, a circular plate 12, an end cover 13, a snap ring 14, a battery and the like.
The syringe 2 sets up inside sleeve 1, and motor 5 sets up inside handle 4, and connecting rod 9 sets up and is used for pushing the injection medicine on syringe 2, and motor 5 is used for push-and-pull connecting rod 9 to realize the injection of syringe 2.
The needle head 3 is fixedly arranged at the front end of the needle cylinder 2, and the needle head 3 is positioned outside the front end of the cannula 1;
the piston 11 is arranged in the inner cavity of the needle cylinder 2, and the piston 11 is in sliding connection with the needle cylinder 2;
the rear side of the piston 11 is fixedly connected with the top end of the connecting rod 9, and the rear end of the connecting rod 9 extends out of the rear end of the sleeve 1;
the rear end of the connecting rod 9 is provided with threads, the circular end cover 13 is arranged at the rear end of the sleeve 1, and the end cover 13 can rotate around the center of the circle of the end cover 13 at the rear end of the sleeve 1;
the rear end of the connecting rod 9 penetrates through the end cover 13 and is in threaded connection with the end cover 13 through threads;
the first gear 8 is welded on the outer side of the end cover 13, the first gear 8 is coaxial with the end cover 13, and the tail end of the connecting rod 9 penetrates through the first gear 8.
The snap ring 14 is fixedly arranged on the inner wall of the rear end of the sleeve 1, the outer wall of the end cover 13 is provided with a clamping groove, and the end cover 13 is clamped with the snap ring 14 through the clamping groove and is arranged at the rear end of the sleeve 1.
A circular plate 12 is fixedly mounted at the rear end of the cylinder 2, the connecting rod 9 penetrates the circular plate 12 and is slidably connected with the circular plate 12, and the circular plate 12 is used for sealing the rear end of the cylinder 2 and limiting the piston 11.
The circle center of the first gear 8 is provided with a round hole, and the connecting rod 9 penetrates through the round hole and is in clearance fit with the round hole.
The needle cylinder 2 is made of transparent materials, and the outer wall of the needle cylinder is provided with scale marks; the side surface of the sleeve 1 is provided with a transparent observation window 10 for observing the liquid medicine in the needle cylinder 2.
The battery is installed to the inner chamber of handle 4, and the battery passes through switch 6 to be connected with motor 5, and switch 6 installs in the inboard of handle 4, and switch 6 can control opening of motor 5 to stop and corotation reversal.
The utility model discloses a theory of operation: this device can control opening and stopping of motor 5 through push switch 6, corotation, the reversal, motor 5 drive second gear 7 is rotatory, second gear 7 drive is rotatory rather than the first gear 8 of meshing, and then end cover 13 synchronous revolution thereupon, connecting rod 9 realizes the front and back flexible removal, piston 11 is along with connecting rod 9 synchronous motion, thereby can take out the medicine in to cylinder 2, also can outwards inject the medicine through syringe needle 3, and piston 11's removal is conveniently controlled, thereby the dose of control injection that can be strict.
The device of the present invention is not limited to the specific embodiments described in the embodiments, and those skilled in the art can obtain other embodiments according to the technical solution of the present invention, which also belongs to the technical innovation scope of the present invention.
Claims (7)
1. An animal experiment medicine injection device, characterized by: the injection device comprises a sleeve (1) with a needle cylinder (2) arranged inside and a handle (4) which is connected with the sleeve (1) and is provided with a motor (5) inside, wherein the needle cylinder (2) is provided with a connecting rod (9) for injecting medicine, and the motor (5) is used for pushing and pulling the connecting rod (9) to realize the injection of the needle cylinder (2);
a needle head (3) is fixedly arranged at the front end of the needle cylinder (2), and the needle head (3) is positioned outside the front end of the sleeve (1);
a piston (11) is arranged in the inner cavity of the needle cylinder (2), and the piston (11) is in sliding connection with the needle cylinder (2);
the rear side of the piston (11) is fixedly connected with the top end of the connecting rod (9), and the rear end of the connecting rod (9) extends out of the rear end of the sleeve (1);
the rear end of the connecting rod (9) is provided with threads, the rear end of the sleeve (1) is provided with a circular end cover (13), and the end cover (13) can rotate around the circle center of the sleeve (1) at the rear end of the sleeve;
the rear end of the connecting rod (9) penetrates through the end cover (13) and is in threaded connection with the end cover (13) through the threads;
the outer side of the end cover (13) is welded with a first gear (8) coaxial with the end cover (13), and the tail end of the connecting rod (9) penetrates through the first gear (8).
2. The animal experiment medicine injection device of claim 1, which is characterized in that: the handle (4) is fixedly connected with one side of the sleeve (1), the handle (4) is of a hollow shell structure, the motor (5) is fixedly installed in an inner cavity of the handle (4), the tail end of an output shaft of the motor (5) penetrates through the outside of the handle (4), a second gear (7) is installed on the tail end of the output shaft, and the second gear (7) is meshed with the first gear (8).
3. The animal experiment medicine injection device of claim 1, which is characterized in that: the rear end inner wall fixed mounting of sleeve pipe (1) has snap ring (14), be equipped with the draw-in groove on the outer wall of end cover (13), end cover (13) pass through the draw-in groove with the joint of snap ring (14) sets up the rear end of sleeve pipe (1).
4. The animal experiment medicine injection device of claim 1, which is characterized in that: the rear end of the needle cylinder (2) is fixedly provided with a circular plate (12), the connecting rod (9) penetrates through the circular plate (12) and is in sliding connection with the circular plate (12), and the circular plate (12) is used for sealing the rear end of the needle cylinder (2) and limiting the piston (11).
5. The animal experiment medicine injection device of claim 1, which is characterized in that: the circle center of the first gear (8) is provided with a round hole, and the connecting rod (9) penetrates through the round hole and is in clearance fit with the round hole.
6. The animal experiment medicine injection device of claim 1, which is characterized in that: and a transparent observation window (10) is arranged on the side surface of the sleeve (1).
7. The animal experiment medicine injection device of claim 1, which is characterized in that: the battery is installed to the inner chamber of handle (4), the battery pass through switch (6) with motor (5) are connected, switch (6) are installed in the inboard of handle (4), switch (6) can control opening of motor (5), corotation and reversal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020742709.XU CN214017966U (en) | 2020-05-08 | 2020-05-08 | Animal experiment medicine injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020742709.XU CN214017966U (en) | 2020-05-08 | 2020-05-08 | Animal experiment medicine injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214017966U true CN214017966U (en) | 2021-08-24 |
Family
ID=77331441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020742709.XU Active CN214017966U (en) | 2020-05-08 | 2020-05-08 | Animal experiment medicine injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214017966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712656A (en) * | 2022-04-01 | 2022-07-08 | 中国医学科学院北京协和医院 | Injection sampling device applied to clinical operation |
-
2020
- 2020-05-08 CN CN202020742709.XU patent/CN214017966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712656A (en) * | 2022-04-01 | 2022-07-08 | 中国医学科学院北京协和医院 | Injection sampling device applied to clinical operation |
| CN114712656B (en) * | 2022-04-01 | 2023-01-31 | 中国医学科学院北京协和医院 | Injection sampling device applied to clinical operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204798513U (en) | Automatic ware of injecting of angiocardiography | |
| CN210301904U (en) | Auxiliary device capable of being controlled quantitatively and matched with injector | |
| CN214017966U (en) | Animal experiment medicine injection device | |
| CN201006084Y (en) | Medical dosage device | |
| CN108465141A (en) | Automatic injector | |
| CN112043920A (en) | Automatic injector | |
| CN210813177U (en) | Clinical simple auxiliary intravenous injection booster | |
| CN201612906U (en) | One-tube two-liquid syringe | |
| CN210494202U (en) | Mechanical type syringe assists suction device | |
| CN211327448U (en) | Disposable skin test injector | |
| CN219539118U (en) | Fat filling is notes fat needle tubing for art | |
| CN209173098U (en) | A kind of injection device that straight line is injected | |
| CN201930342U (en) | Boosting device for injector | |
| CN216168862U (en) | Single-hand suction and injection device | |
| CN218684631U (en) | Nerve block anesthesia injection device under ultrasonic guidance | |
| CN216876718U (en) | Poultry animal doctor uses syringe | |
| CN202397904U (en) | Cardioangiography injector device for cardiology department | |
| CN220025301U (en) | Long-handle injection gun with safety protection function | |
| CN215309193U (en) | Insulin injection pen convenient to control injection volume | |
| CN211383200U (en) | Constant pressure syringe | |
| CN214807864U (en) | Radiopharmaceutical injection device for nuclear medicine science | |
| CN216394058U (en) | Arterial duct hemostix | |
| CN209827825U (en) | Safety self-destruction syringe | |
| CN213554504U (en) | Insulin injection pen with intelligent reminding function | |
| CN218980041U (en) | Animal medicine injection auxiliary device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |