Long-handle injection gun for veterinarian

Abstract

The utility model discloses a long-handle injection gun for a veterinarian, and relates to the field of veterinarian tools. The injector comprises a needle cylinder and a grip, wherein a fixing component and an injection component are arranged on the needle cylinder; the fixing assembly comprises a first connecting pipe arranged on the left side of the needle cylinder in a communicating mode, three sliding grooves are formed in the outer wall of the first connecting pipe, first grooves are formed in the inner walls of the three sliding grooves, and the inner calibers of the three sliding grooves are smaller than the calibers of the first grooves. By arranging the fixing assembly, when the needle head needs to be replaced, the sliding ring can slide rightwards, so that the multiple sliding blocks on the sliding ring slide rightwards on the inner wall of the sliding groove, after the sliding blocks are far away from the valve balls, the shell can be pulled out leftwards manually, the second groove abuts against the multiple valve balls at the moment, the second groove is separated from the valve balls, and the needle head can be replaced conveniently. Therefore, the whole rubber head is replaced, the use is simple and rapid, the needle head of the device can be rapidly replaced after being used, and the use efficiency and the safety are greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of veterinary appliances, in particular to a veterinary long-handled injection gun. Background Art

[0002] The emergence of syringes is an epoch-making revolution in the field of medical devices. The process of extracting and injecting gas or liquid with a needle is called injection. The syringe consists of a syringe with a small hole at the front end and a matching piston core rod. The syringes used by veterinarians are generally long-handled syringes.

[0003] After use, the needle of the veterinary long-handled injection gun needs to be replaced to avoid cross infection. This is not only to protect the health of the animal, but also for the safety of the veterinarian himself. However, the existing veterinary long-handled injection guns have design deficiencies, which makes the needle replacement process cumbersome and inconvenient, increases the difficulty of operation during use by the veterinarian, and may even lead to improper use. Utility Model Content

[0004] The purpose of the utility model is to provide a veterinary long-handled injection gun, which is provided with a fixing component so that the needle of the device can be quickly replaced after use, thereby greatly improving the use efficiency and safety, and solving the design deficiencies of the existing veterinary long-handled injection guns, which makes the needle replacement process cumbersome and inconvenient, increases the difficulty of operation during use by veterinarians, and may even lead to problems of improper use.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a veterinary long-handled injection gun, comprising a syringe and a handle, wherein the syringe is provided with a fixing component and an injection component;

[0007] The fixing assembly includes a connecting tube 1 which is connected to the left side of the syringe, the outer wall of the connecting tube 1 is provided with three slide grooves, the inner walls of the three slide grooves are provided with a groove 1, the inner diameters of the three slide grooves are smaller than the diameter of the groove 1, the inner opening of the groove 1 is circular, the interiors of the three grooves 1 are provided with valve balls, the outer diameters of the valve balls are smaller than the inner diameter of the groove 1, the inner wall of the connecting tube 1 is provided with a rubber head, the inner wall of the rubber head is fixedly connected with a needle, and the needle is communicated with the interior of the syringe.

[0008] Furthermore, the outer wall of the rubber head is fixedly connected to the outer shell, and the outer wall of the outer shell is provided with three grooves 2, the inner diameters of the three grooves 2 are the same as the outer diameters of the three valve balls, and the three valve balls are respectively in contact with the inner walls of the three grooves 2.

[0009] Furthermore, three springs are fixedly connected to the left side of the syringe, and the left ends of the three springs are fixedly connected to a sliding ring, and the inner wall of the sliding ring is slidably connected to the outer wall of the connecting tube.

[0010] Furthermore, three sliders are fixedly connected to the inner wall of the slip ring, and the three sliders are respectively slidably connected to the inner walls of the three sliding grooves, and the three sliders are respectively in contact with the outer walls of the three valve balls.

[0011] Furthermore, two handles are fixedly connected to the outer wall of the syringe, and the two handles are symmetrically arranged with the syringe as the center axis.

[0012] Furthermore, the injection assembly includes a connecting tube 2 connected to the right side of the syringe, the inner wall of the connecting tube 2 is slidably connected to a threaded rod, the left end of the threaded rod is fixedly connected to a piston, and the piston is slidably connected to the inner wall of the syringe.

[0013] Furthermore, a handle is fixedly connected to the right end of the threaded rod, and an internal thread block is threadedly connected to the outer wall of the threaded rod.

[0014] The utility model has the following beneficial effects:

[0015] 1. By providing a fixing component, the three grooves 1 all extend to the inside of the connecting tube 1. The inner diameter of the opening at the connection between the groove 1 and the inner wall of the connecting tube 1 is smaller than the outer diameter of the valve ball. Therefore, the valve ball will be stuck in the opening at the connection with the inner wall of the connecting tube 1. Under the action of multiple springs, the slip ring moves to the outside of the groove 1, so that the multiple sliders can resist the valve ball, so that it can be stuck in the multiple grooves 2 on the shell to prevent the rubber head from falling off. The rubber head and the connecting tube 1 cooperate with each other to seal the connection between the rubber head and the syringe. When the needle needs to be replaced, the slip ring can be slid to the right, so that the multiple sliders on the slip ring slide to the right on the inner wall of the slide groove. After the slider is away from the valve ball, the shell can be manually pulled out to the left. At this time, the groove 2 will resist the multiple valve balls, so that the groove 2 is separated from the valve ball, so that the entire rubber head can be replaced. The use is simple and quick, so that the needle of the device can be quickly replaced after use, which greatly improves the use efficiency and safety.

[0016] 2. By providing an injection assembly, when the device is used, the index finger and the middle finger can be respectively passed through the two syringes, and the thumb squeezes the handle to drive the piston to move leftward for injection. At this time, the threaded rod and the internal thread block cooperate with each other, and the internal thread block can be rotated to move left and right on the threaded rod, so as to assist in regulating the injection volume, thereby improving the accuracy and flexibility of injection;

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the housing of the utility model;

[0022] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 5 for Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Syringe; 2. Fixing assembly; 3. Injection assembly; 11. Grip; 21. Connecting tube 1; 22. Slide; 23. Groove 1; 24. Valve ball; 25. Spring; 26. Slip ring; 27. Slider; 28. Rubber head; 29. ​​Housing; 291. Groove 2; 292. Needle; 31. Connecting tube 2; 32. Threaded rod; 33. Piston; 35. Handle; 36. Internal thread block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 As shown, the utility model is a veterinary long-handled injection gun, comprising a syringe 1 and a handle 11, and the syringe 1 is provided with a fixing component 2 and an injection component 3;

[0028] The fixing assembly 2 includes a connecting tube 21 connected to the left side of the syringe 1. The outer wall of the connecting tube 21 is provided with three slide grooves 22. The inner walls of the three slide grooves 22 are provided with grooves 23. The inner diameters of the three slide grooves 22 are smaller than the diameter of the grooves 23. The inner openings of the grooves 23 are circular. The interiors of the three grooves 23 are provided with valve balls 24. The outer diameters of the valve balls 24 are smaller than the inner diameters of the grooves 23. The inner wall of the connecting tube 21 is provided with a rubber head 28. The inner wall of the rubber head 28 is fixedly connected with a needle 292. The needle 292 is connected to the interior of the syringe 1. The outer wall of the rubber head 28 is fixedly connected with a shell 29 The outer wall of the housing 29 is provided with three grooves 291, the inner diameters of the three grooves 291 are the same as the outer diameters of the three valve balls 24, and the three valve balls 24 are respectively in contact with the inner walls of the three grooves 291. The left side of the syringe 1 is fixedly connected with three springs 25, and the left ends of the three springs 25 are fixedly connected with a slip ring 26. The inner wall of the slip ring 26 is slidably connected to the outer wall of the connecting tube 1 21, and the inner wall of the slip ring 26 is fixedly connected with three sliders 27. The three sliders 27 are respectively slidably connected to the inner walls of the three slide grooves 22, and the three sliders 27 are respectively in contact with the outer walls of the three valve balls 24. The outer wall of the syringe 1 is fixedly connected There are two grips 11, which are symmetrically arranged with the syringe 1 as the central axis. By setting a fixing component 2, three grooves 23 all extend to the inside of the connecting tube 21. The inner diameter of the opening where the groove 23 is connected to the inner wall of the connecting tube 21 is smaller than the outer diameter of the valve ball 24, so the valve ball 24 will be stuck in the opening where it is connected to the inner wall of the connecting tube 21. Under the action of multiple springs 25, the slip ring 26 moves to the outside of the groove 23, so that the multiple sliders 27 can resist the valve ball 24, so that it can be stuck in the multiple grooves 291 on the shell 29 to prevent the rubber head 28 from falling off, and the rubber head 28 and the connecting tube 21 are connected. The connecting pipe 1 21 cooperates with each other to seal the connection between the rubber head 28 and the syringe 1. When the needle 292 needs to be replaced, the sliding ring 26 can be slid to the right, so that the multiple sliders 27 on the sliding ring 26 slide to the right on the inner wall of the sliding groove 22. After the slider 27 is away from the valve ball 24, the outer shell 29 can be manually pulled out to the left. At this time, the groove 291 will support the multiple valve balls 24, so that the groove 291 is separated from the valve ball 24, so that the entire rubber head 28 can be replaced. It is simple and quick to use, so that the needle of the device can be quickly replaced after use, which greatly improves the efficiency and safety of use.

[0029] The injection assembly 3 includes a connecting tube 31 connected to the right side of the syringe 1, the inner wall of the connecting tube 31 is slidably connected to a threaded rod 32, the left end of the threaded rod 32 is fixedly connected to a piston 33, the piston 33 is slidably connected to the inner wall of the syringe 1, the right end of the threaded rod 32 is fixedly connected to a handle 35, and the outer wall of the threaded rod 32 is threadedly connected to an internal thread block 36. By providing the injection assembly 3, when the device is in use, the index finger and the middle finger can be respectively passed through the two syringes 1, and the thumb can be squeezed to squeeze the handle 35 to drive the piston 33 to move to the left for injection. At this time, the threaded rod 32 and the internal thread block 36 cooperate with each other, and the internal thread block 36 can be rotated to move it left and right on the threaded rod 32, so as to assist in regulating the injection volume, thereby improving the accuracy and flexibility of the injection.

[0030] A specific application of this embodiment is: by providing a fixing component 2, the three grooves 23 all extend to the inside of the connecting pipe 21, and the inner diameter of the opening at the connection between the groove 23 and the inner wall of the connecting pipe 21 is smaller than the outer diameter of the valve ball 24, so the valve ball 24 will be stuck in the opening at the connection with the inner wall of the connecting pipe 21, and under the action of multiple springs 25, the slip ring 26 moves to the outside of the groove 23, so that the multiple sliders 27 can resist the valve ball 24, so that it can be stuck in the inside of the multiple grooves 291 on the shell 29 to prevent the rubber head 28 from falling off, and the rubber head 28 and the connecting pipe 21 are mutually connected. The rubber head 28 and the syringe 1 can be sealed by the second groove 291. When the needle 292 needs to be replaced, the sliding ring 26 can be slid to the right, so that the multiple sliders 27 on the sliding ring 26 slide to the right on the inner wall of the slide groove 22. After the slider 27 is away from the valve ball 24, the housing 29 can be manually pulled out to the left. At this time, the second groove 291 will support the multiple valve balls 24, so that the second groove 291 and the valve ball 24 are separated, so that the entire rubber head 28 can be replaced. The use is simple and quick, so that the needle of the device can be quickly replaced after use, which greatly improves the use efficiency and safety.

[0031] By providing the injection assembly 3, when the device is in use, the index finger and the middle finger can be respectively inserted into the two syringes 1, and the thumb can be squeezed to squeeze the handle 35 to drive the piston 33 to move leftward for injection. At this time, the threaded rod 32 and the internal thread block 36 cooperate with each other, and the internal thread block 36 can be rotated to move left and right on the threaded rod 32, so as to assist in regulating the injection volume, thereby improving the accuracy and flexibility of the injection.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A veterinary long-handled injection gun, comprising a syringe (1) and a handle (11), characterized in that: The syringe (1) is provided with a fixing component (2) and an injection component (3); The fixing assembly (2) comprises a connecting tube (21) connected to the left side of the syringe (1), the outer wall of the connecting tube (21) is provided with three slide grooves (22), the inner walls of the three slide grooves (22) are provided with a groove (23), the inner diameters of the three slide grooves (22) are smaller than the diameter of the groove (23), the inner openings of the grooves (23) are circular, the interiors of the three grooves (23) are provided with valve balls (24), the outer diameters of the valve balls (24) are smaller than the inner diameters of the grooves (23), the inner wall of the connecting tube (21) is provided with a rubber head (28), the inner wall of the rubber head (28) is fixedly connected with a needle (292), and the needle (292) is communicated with the interior of the syringe (1).

2. A veterinary long-handled injection gun according to claim 1, characterized in that: The outer wall of the rubber head (28) is fixedly connected to the outer shell (29), and the outer wall of the outer shell (29) is provided with three grooves 2 (291). The inner diameters of the three grooves 2 (291) are the same as the outer diameters of the three valve balls (24), and the three valve balls (24) are respectively in contact with the inner walls of the three grooves 2 (291).

3. A veterinary long-handled injection gun according to claim 2, characterized in that: Three springs (25) are fixedly connected to the left side of the syringe (1), and a sliding ring (26) is fixedly connected to the left ends of the three springs (25). The inner wall of the sliding ring (26) is slidably connected to the outer wall of the connecting tube 1 (21).

4. A veterinary long-handled injection gun according to claim 3, characterized in that: Three sliders (27) are fixedly connected to the inner wall of the slip ring (26), and the three sliders (27) are respectively slidably connected to the inner walls of the three slide grooves (22), and the three sliders (27) are respectively in contact with the outer walls of the three valve balls (24).

5. A veterinary long-handled injection gun according to claim 4, characterized in that: Two handles (11) are fixedly connected to the outer wall of the syringe (1), and the two handles (11) are symmetrically arranged with the syringe (1) as the center axis.

6. A veterinary long-handled injection gun according to claim 5, characterized in that: The injection assembly (3) comprises a second connecting tube (31) connected to the right side of the syringe (1), the inner wall of the second connecting tube (31) being slidably connected to a threaded rod (32), the left end of the threaded rod (32) being fixedly connected to a piston (33), and the piston (33) being slidably connected to the inner wall of the syringe (1).

7. A veterinary long-handled injection gun according to claim 6, characterized in that: The right end of the threaded rod (32) is fixedly connected to a handle (35), and the outer wall of the threaded rod (32) is threadedly connected to an internal thread block (36).

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