Needle tube type pet medicine packaging tube

Abstract

The utility model discloses a needle tube type pet medicine packaging tube which comprises a needle tube, the inner wall of one side of the needle tube is rotatably connected with a handle, one side of the handle is fixedly connected with a connecting shaft, one end of the connecting shaft penetrates through the needle tube and is fixedly connected with a gear, the inner wall of one side of the needle tube is slidably connected with a rack, and the rack is meshed with the gear. One side of the rack is fixedly connected with a connecting cylinder, the connecting cylinder slides relative to the needle tube, one end of the connecting cylinder is fixedly connected with a first spring, one end of the first spring is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a needle head, one side of the connecting rod is provided with a positioning hole, and a positioning rod is slidably connected in the positioning hole. According to the packaging tube, the needle head of the injector is prevented from being exposed, the problem that the needle head of the injector is exposed, so that a user is easily stabbed by the needle head of the injector during use is solved, the stability during use can be improved, and the service life of the whole packaging tube can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of pet medicine packaging production, in particular to a needle-tube type pet medicine packaging tube. Background Art

[0002] Pet medicines refer to substances used to prevent, treat, diagnose pet animal diseases or purposefully regulate the physiological functions of animals. Syringe-type pet medicine packaging tubes are a common type of pet medicine packaging. They consist of a syringe, a rubber piston, an injection needle, a needle cap and a push rod, and are used for the packaging and injection of pet medicines.

[0003] After searching, the Chinese patent with publication number CN207627686U, the utility model relates to a medical device, the purpose is to provide an improvement of the needle tube structure of a prefilled syringe, the structure should have the characteristics of tight and safe packaging, easy use, simple structure and low cost, however, there is the following defect, the needle of the syringe is exposed, so that the user is easily stabbed by the needle of the syringe when using it. Summary of the invention

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a needle-tube type pet medicine packaging tube.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A syringe-type pet medicine packaging tube comprises a syringe, wherein the inner wall of one side of the syringe is rotatably connected to a handle, one side of the handle is fixedly connected to a connecting shaft, one end of the connecting shaft passes through the syringe and is fixedly connected to a gear, the inner wall of one side of the syringe is slidably connected to a rack, and the rack is meshed with the gear, one side of the rack is fixedly connected to a connecting tube, and the connecting tube slides with the syringe, one end of the connecting tube is fixedly connected to a first spring, one end of the first spring is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a needle, a positioning hole is provided on one side of the connecting rod, a positioning rod is slidably connected in the positioning hole, a pressure rod is slidably connected to one side of the syringe, one end of the pressure rod is fixedly connected to a mounting rod, one end of the mounting rod is fixedly connected to a second spring, and the second spring is fixed to the positioning rod.

[0007] As a further solution of the utility model, two telescopic rods are fixedly connected to the inner wall of the bottom of the needle tube, and the two telescopic rods are fixed to the connecting tube.

[0008] As a further solution of the utility model, a support rod is slidably connected to an inner wall of one side of the connecting tube, and the support rod is in contact with the first spring.

[0009] As a further solution of the utility model, a plurality of anti-slip grooves are provided on one side of the handle, and the plurality of anti-slip grooves are evenly distributed.

[0010] As a further solution of the utility model, a scale line is provided on an outer wall of one side of the needle tube.

[0011] As a further solution of the utility model, a shock absorbing column is fixedly connected to the inner wall of the bottom of the needle tube, and the shock absorbing column is in contact with the rack.

[0012] As a further solution of the utility model, the bottom of the needle tube is fixedly connected to a base.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model rotates the handle, and the rotation of the handle drives the gear to rotate. Under the action of the gear and the rack, the rack moves to drive the connecting tube, the first spring, and the connecting rod to move. The movement of the connecting rod causes the needle to move. Under the action of the second spring, the positioning rod is pushed into the positioning hole, thereby positioning the connecting rod, thereby preventing the syringe needle from leaking out and stabbing the user, and solving the problem that the syringe needle is exposed, which causes the user to be easily stabbed by the syringe needle when using it.

[0015] 2. The utility model provides a telescopic rod, which can make the connecting tube move more smoothly, and further make the needle extend more smoothly, thereby improving the stability of the entire packaging tube when in use.

[0016] 3. The utility model provides a shock-absorbing column, which is in contact with the rack. The shock-absorbing column can effectively prevent the needle tube from hitting the rack and causing deformation when the rack moves to the bottom, thereby increasing the service life of the entire packaging tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] FIG1 is a schematic diagram of the three-dimensional front structure of a needle-tube pet medicine packaging tube proposed by the present invention;

[0018] FIG2 is a schematic diagram of the interior of a needle tube of a needle tube type pet medicine packaging tube proposed by the present invention;

[0019] FIG. 3 is an enlarged schematic diagram of a second spring of a needle-tube pet medicine packaging tube proposed by the present invention.

[0020] In the figure: 1. needle tube; 2. handle; 3. scale line; 4. base; 5. needle; 6. gear; 7. telescopic rod; 8. connecting rod; 9. first spring; 10. support rod; 11. connecting tube; 12. rack; 13. connecting shaft; 14. positioning hole; 15. second spring; 16. mounting rod; 17. positioning rod; 18. pressure rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] 1 to 3, a needle tube type pet medicine packaging tube comprises a needle tube 1, wherein the inner wall of one side of the needle tube 1 is rotatably connected to a handle 2, one side of the handle 2 is fixed with a connecting shaft 13 by bolts, one end of the connecting shaft 13 passes through the needle tube 1 and is fixed with a gear 6 by bolts, a rack 12 is slidably connected to the inner wall of one side of the needle tube 1, and the rack 12 is meshed with the gear 6, a connecting tube 11 is fixed with a connecting tube 11 by bolts on one side of the rack 12, and the connecting tube 11 slides with the needle tube 1, a first spring 9 is welded to one end of the connecting tube 11, a connecting rod 8 is welded to one end of the first spring 9, a needle 5 is fixed to one end of the connecting rod 8 by bolts, a positioning hole 14 is provided on one side of the connecting rod 8, a positioning rod 17 is slidably connected in the positioning hole 14, a pressing rod 18 is slidably connected to one side of the needle tube 1, one end of the pressing rod 18 is fixed with a mounting rod 16 by bolts, one end of the mounting rod 16 is fixed with a second spring 15 by bolts, and the second spring 15 It is fixed to the positioning rod 17. When the drug injection is completed, the operator rotates the handle 2, the handle 2 rotates to drive the gear 6 to rotate, the gear 6 rotates to drive the rack 12, the rack 12 moves to drive the connecting tube 11 to move, the connecting tube 11 moves to drive the first spring 9 and the connecting rod 8 to move, the connecting rod 8 moves to move the needle 5, and then the needle 5 is retracted into the needle tube 1, and at the same time the second spring 15 is reset, so that the positioning rod 17 is against the positioning hole 14, so as to position the connecting rod 8, so as to prevent the syringe needle 5 from leaking out and stabbing the user, and it is more convenient to store and repeatedly aspirate.

[0023] In the utility model, two telescopic rods 7 are fixed to the bottom inner wall of the needle tube 1 by bolts, and the two telescopic rods 7 are fixed to the connecting tube 11. The telescopic rod 7 can make the connecting tube 11 move more smoothly, and thus make the needle 5 more stable when extending. A support rod 10 is slidably connected to the inner wall of one side of the connecting tube 11, and the support rod 10 is in contact with the first spring 9. The support rod 10 can make the first spring 9 extend and retract in a specified direction. A plurality of anti-slip grooves are provided on one side of the handle 2, and the plurality of anti-slip grooves are evenly distributed, so that it is more convenient for the operator to use the handle 2, thereby improving the practicality of the entire packaging tube. A scale line 3 is provided on the outer wall of one side of the needle tube 1, and the scale line 3 can make it easier for the operator to observe the horizontal height of the liquid in the needle tube 1. A shock-absorbing column is bonded to the bottom inner wall of the needle tube 1, and the shock-absorbing column is in contact with the rack 12. The shock-absorbing column can effectively prevent the needle tube 1 from hitting the rack 12 when the rack 12 moves to the bottom. The impact generates deformation, thereby increasing the service life of the entire packaging tube. The bottom of the needle tube 1 is bonded with a base 4, which can support the entire packaging tube, making it easier for operators to place the packaging tube.

[0024] Working principle: when it is necessary to inject pet medicine, the operator first moves the pressing rod 18, the pressing rod 18 moves and then drives the installation rod 16 to move, the installation rod 16 moves and then drives the second spring 15 to move, the second spring 15 moves and then drives the positioning rod 17 to move, so that the positioning rod 17 is away from the positioning hole 14, the operator then turns the handle 2, the handle 2 rotates to drive the gear 6 to rotate, the gear 6 rotates and then drives the rack 12, the rack 12 moves and then drives the connecting cylinder 11 to move, the connecting cylinder 11 moves and then drives the first spring 9 and the connecting rod 8 to move, the connecting rod 8 moves and then drives the needle 5 to move, so that the needle 5 extends out of the needle tube 1, so as to inject the pet medicine, after the injection is completed, the operator turns the handle 2 again, the handle 2 rotates to drive the gear 6 to rotate, the gear 6 rotates and then drives the rack 12, the rack 12 moves and then drives the connecting cylinder 11 to move, the connecting cylinder 11 moves and then drives the first spring 9 and the connecting rod 8 to move, the connecting rod 8 moves and then drives the needle 5 The needle 5 is moved so that it is retracted into the needle tube 1, and the second spring 15 is reset so that the positioning rod 17 is pressed into the positioning hole 14, thereby positioning the connecting rod 8, thereby preventing the syringe needle 5 from leaking out and injuring the user, and making it easier to store and repeatedly aspirate.

[0025] In addition, although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A syringe-type pet medicine packaging tube, comprising a syringe (1), characterized in that: The inner wall of one side of the needle tube (1) is rotatably connected to a handle (2), one side of the handle (2) is fixedly connected to a connecting shaft (13), one end of the connecting shaft (13) passes through the needle tube (1) and is fixedly connected to a gear (6), one side of the inner wall of the needle tube (1) is slidably connected to a rack (12), and the rack (12) is meshed with the gear (6), one side of the rack (12) is fixedly connected to a connecting tube (11), and the connecting tube (11) slides with the needle tube (1), and one end of the connecting tube (11) is fixedly connected to a first spring (9 ), one end of the first spring (9) is fixedly connected to a connecting rod (8), one end of the connecting rod (8) is fixedly connected to a needle (5), one side of the connecting rod (8) is provided with a positioning hole (14), a positioning rod (17) is slidably connected in the positioning hole (14), one side of the needle tube (1) is slidably connected to a pressure rod (18), one end of the pressure rod (18) is fixedly connected to a mounting rod (16), one end of the mounting rod (16) is fixedly connected to a second spring (15), and the second spring (15) is fixed to the positioning rod (17).

2. The needle-tube pet medicine packaging tube according to claim 1, characterized in that: Two telescopic rods (7) are fixedly connected to the inner wall of the bottom of the needle tube (1), and the two telescopic rods (7) are fixed to the connecting tube (11).

3. The needle-tube pet medicine packaging tube according to claim 1, characterized in that: A support rod (10) is slidably connected to an inner wall of one side of the connecting cylinder (11), and the support rod (10) is in contact with the first spring (9).

4. The needle-tube pet medicine packaging tube according to claim 1, characterized in that: One side of the handle (2) is provided with a plurality of anti-slip grooves, and the plurality of anti-slip grooves are evenly distributed.

5. The needle-tube pet medicine packaging tube according to claim 2, characterized in that: A scale mark (3) is provided on one side outer wall of the needle tube (1).

6. The needle-tube pet medicine packaging tube according to claim 5, characterized in that: A shock absorbing column is fixedly connected to the inner wall of the bottom of the needle tube (1), and the shock absorbing column is in contact with the rack (12).

7. The needle-tube pet medicine packaging tube according to claim 6, characterized in that: The bottom of the needle tube (1) is fixedly connected to a base (4).

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