CN215080229U - Pneumatic injector for animals - Google Patents
Pneumatic injector for animals Download PDFInfo
- Publication number
- CN215080229U CN215080229U CN202120807836.8U CN202120807836U CN215080229U CN 215080229 U CN215080229 U CN 215080229U CN 202120807836 U CN202120807836 U CN 202120807836U CN 215080229 U CN215080229 U CN 215080229U
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- Prior art keywords
- cylinder
- piston
- movable rod
- syringe
- switch
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- 241001465754 Metazoa Species 0.000 title description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 description 29
- 239000007924 injection Substances 0.000 description 29
- 239000003814 drug Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 238000002649 immunization Methods 0.000 description 4
- 230000003053 immunization Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 244000144972 livestock Species 0.000 description 3
- 210000000232 gallbladder Anatomy 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a veterinary air pressure injector, which comprises an injector cylinder internally provided with a first piston and a needle head connected on the injector cylinder, wherein the first piston in the injector cylinder is provided with a cylinder at the side deviating from the needle head, a second piston is arranged between the cylinder and the first piston, the cylinder is provided with a vent pipe towards the side of the second piston, the second piston is provided with a through hole matched with the vent pipe, the end of the cylinder deviating from the second piston is sealed by a cylinder plug, a movable rod coaxially arranged with the cylinder penetrates through the cylinder plug and extends into the cylinder to be connected with a cylinder plug, the cylinder plug can tightly plug the inner hole of the vent pipe of the cylinder, an annular guide block is coaxially fixed on the movable rod, the periphery of the guide block is in sliding contact with the inner wall of the cylinder, a movable rod spring is sleeved on the movable rod between the guide block and the cylinder plug, a pressure relief valve is arranged on the cylinder, a catch is sleeved on the needle head, a switch handle is fixedly sleeved on the movable rod, a linkage mechanism is arranged between the trigger switch separation blade and the switch handle, and a connecting mechanism is arranged between the tail end of the syringe barrel and the cylinder.
Description
Technical Field
The utility model relates to an animal doctor's apparatus, in particular to veterinary air pressure syringe.
Background
Veterinary injection is performed by veterinarians in the process of carrying out immunization injection and disease treatment injection on animals, most of the injection is carried out under the condition that the animals are not bound and fixed, and the injection process is completed by adopting a traditional veterinary injector to approach the animals to quickly insert a needle and quickly push medicine. The handle of the traditional veterinary injector is short, so that the safety of the veterinarian is greatly threatened when the veterinary injector meets with a virulent livestock; when the small animal with small gallbladder and easy fright is encountered, the injection process is difficult to be completed. In addition, when the traditional injector for animals is used for injection, personnel need to continuously complete two actions of needle insertion and medicine pushing within a very short time, the requirement is very high, and unskilled personnel often have the conditions of insufficient injection depth, no needle insertion and medicine pushing, and the like, so that the injection failure is caused, and the existing injector needs to be improved.
Disclosure of Invention
In view of this, the utility model aims at providing a veterinary air pressure syringe only needs to keep away from the animal after the injection position that disinfects on one's body is rapidly inserted to the animal, pushes away the medicine and is accomplished by the syringe is automatic, wait to inject accomplish after pull out the syringe rapidly can, need not longer time and animal contact, make the personal safety of animal doctor protected, can guarantee the injection success rate.
The utility model aims at realizing through the following technical scheme:
a pneumatic injector for animals comprises an injector cylinder internally provided with a first piston and a needle head connected to the injector cylinder, wherein the first piston in the injector cylinder is provided with a cylinder at the side deviating from the needle head, a second piston is arranged between the cylinder and the first piston, the cylinder is provided with a vent pipe towards the side of the second piston, the second piston is provided with a through hole matched with the vent pipe, the inner wall of the through hole is hermetically connected with the outer wall of the vent pipe, the end of the cylinder deviating from the second piston is sealed by a cylinder plug, a movable rod coaxially arranged with the cylinder penetrates through the cylinder plug and extends into the cylinder to be connected with a cylinder plug, the cylinder plug can tightly plug the inner hole of the vent pipe of the cylinder, an annular guide block is coaxially fixed on the movable rod, the periphery of the guide block is in sliding contact with the inner wall of the cylinder, a movable rod spring is sleeved on the movable rod between the guide block and the cylinder plug, and a pressure relief valve is arranged on the cylinder, or the movable rod is of a hollow structure which can be communicated with the inside of the cylinder, a pressure release valve is arranged on the movable rod outside the cylinder, a trigger switch separation blade is coaxially and movably sleeved on the needle head, a switch handle is fixedly sleeved on the movable rod, a linkage mechanism is arranged between the trigger switch separation blade and the switch handle, and a connecting mechanism is arranged between the tail end of the syringe barrel and the cylinder.
Furthermore, the linkage mechanism comprises two switch connecting rods, the two switch connecting rods are respectively hinged on the opposite sides of the trigger switch separation blade, the opposite sides of the syringe barrel are respectively provided with a limiting seat with a hole, and the switch connecting rods penetrate through the limiting seats in a sliding mode and are connected with the switch handle.
Furthermore, the linkage mechanism comprises two switch connecting rods, the two switch connecting rods are respectively hinged to the opposite sides of the trigger switch separation blade, the opposite sides of the syringe barrel are respectively provided with a limiting seat with a hole, the switch connecting rods sequentially slide to penetrate through the limiting seats and the switch handle, and the switch connecting rod of the switch handle facing the cylinder side is in threaded connection with an adjusting nut.
Further, coupling mechanism includes the coaxial fixed locking nut who sets up on syringe section of thick bamboo terminal inner wall, the activity cover is equipped with the cavity locking screw with the locking nut adaptation on the cylinder, be equipped with the crack that can run through its one end along its circumference even interval on the locking screw.
Further, be located and be equipped with big internal diameter section on the movable rod outside the cylinder, the relief valve includes the pressure release stick, be equipped with the toper spacing ring that can block the movable rod hole that is located big internal diameter section on the pressure release stick, the tip orientation of toper spacing ring is for deviating from the cylinder side, the cover is equipped with the spring on the pressure release stick between spacing ring and big internal diameter section, pressure release stick one end stretches out from the movable rod tip.
Furthermore, an annular bulge is fixed on the outer wall of the cylinder end provided with the cylinder plug.
Still further, the breather pipe is the bell pipe, the through-hole is the bell mouth, cylinder plug (8) can closely pack in the cylinder bell mouth downthehole.
The utility model has the advantages that:
the utility model discloses a veterinary air pressure injector, when making the air evacuation between second piston and first piston and promote the movable rod to make the cylinder plug closely pack in the cylinder taper pipe inner hole through promoting the cylinder, first piston and second piston are hugged closely together, can drive first piston to move in the syringe section of thick bamboo through pulling the movable rod at this moment and realize extracting the liquid medicine, make first piston playback etc. when first piston and second piston hug closely together, make the cylinder form high pressure through injecting gas into the cylinder, when the trigger switch separation blade is by skin extrusion motion, the movable rod drives the cylinder plug to leave the cylinder taper pipe inner hole, high-pressure gas gets into between first piston and second piston and promotes first piston to move and realize automatic injection, therefore when using this injector, only need to advance the needle rapidly to the injection position that the animal body is disinfected, push away the medicine and is accomplished automatically by the injector, the action is simplified, the injection time is shortened, and the animal does not need to be contacted for a long time; when encountering a virulent animal, the injector can be quickly pulled out after the injection is finished, so that the personal safety of the veterinarian is guaranteed, and the injection success rate can be ensured.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a front sectional view of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged schematic view of part B in fig. 1.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.
As shown in figure 1, the pneumatic injector for animals solves the outstanding problems that the operation action is complex and the life safety of the veterinarian cannot be guaranteed in the animal immunization injection and disease treatment injection processes, comprises an injector cylinder 2 internally provided with a first piston 1 and a needle 3 connected to the injector cylinder 2, the injector cylinder is consistent with the prior injector cylinder, the surface of the injector cylinder is also provided with scales, the scale is consistent with the prior injector, a cylinder 4 is arranged on the side, deviating from the needle 3, of the first piston 1 in the injector cylinder 2, a second piston 5 is arranged between the cylinder 4 and the first piston 1, the second piston 5 is cylindrical, the outer wall of the second piston is tightly attached to the inner wall of the injector cylinder, a conical tube is arranged on the side, facing the second piston 5, of the cylinder 4, a conical hole matched with the conical tube is arranged on the second piston 5, the inner wall of the conical hole is hermetically connected with the outer wall of the conical tube, the end, deviating from the second piston 5, of the cylinder 4 is sealed by a cylinder plug 6, a movable rod 7 which is coaxial with the cylinder 4 penetrates through the cylinder plug 6 and extends into the cylinder 4 to be connected with a cylinder rubber plug 8, the cylinder rubber plug 8 can be tightly plugged in a conical pipe inner hole of the cylinder 4, the preferred conical pipe inner hole of the cylinder is conical, the large end of the conical pipe inner hole faces the cylinder plug side, the small end of the conical pipe inner hole is opened, the corresponding cylinder rubber plug is also conical, an annular guide block 9 is coaxially fixed on the movable rod 7, the periphery of the guide block 9 is in sliding contact with the inner wall of the cylinder 4, the guide block 9 has the function of ensuring that the cylinder rubber plug 8 is always positioned on the axis of the cylinder 4, when the movable rod 7 moves towards the second piston 5 side, the cylinder rubber plug 8 can be ensured to accurately enter the conical pipe inner hole of the cylinder, a movable rod spring 10 is sleeved on the movable rod 7 between the guide block 9 and the cylinder plug 6, the movable rod 7 is of a hollow structure which can be communicated with the inside of the cylinder 4, or a pressure release valve is arranged on the cylinder 4, the movable rod 7 which is arranged outside the cylinder 4, a trigger switch baffle 11 is coaxially and movably sleeved on the needle head 3, a switch handle 12 is fixedly sleeved on the movable rod 7, a linkage mechanism is arranged between the trigger switch baffle 11 and the switch handle 12, and a connecting mechanism is arranged between the tail end of the syringe barrel 2 and the cylinder 4.
The injector simplifies the injection action, namely one action completes two processes of needle insertion and medicine injection, ensures the needle insertion depth and pushes medicine rapidly, can be made into a long-handle injector, can be additionally provided with a tail wing, realizes injection by adopting modes of blowing pipes, ejection and the like, ensures the injection safety and improves the injection efficiency.
The linkage mechanism comprises two switch connecting rods 13, the two switch connecting rods 13 are respectively hinged on the opposite sides of a trigger switch catch 11, the opposite sides of the syringe barrel 2 are respectively provided with a limiting seat 14 with holes, the switch connecting rods 13 penetrate through the limiting seat 14 in a sliding mode and are connected with a switch handle 12, the trigger switch catch 11 is waist-shaped, when the trigger switch catch 11 is extruded by the skin of an animal, the trigger switch catch drives the switch connecting rods 13 to move, and then the switch handle 12 drives the movable rod 7 to move so that the cylinder rubber plug leaves the inner hole of the cylinder conical tube.
The linkage mechanism comprises two switch connecting rods 13, the two switch connecting rods 13 are respectively hinged to the opposite sides of the trigger switch blocking piece 11, the opposite sides of the syringe barrel 2 are respectively provided with a limiting seat 14 with holes, the switch connecting rods 13 sequentially slide through the limiting seat 14 and a switch handle 12, the switch handle 12 faces the switch connecting rod 13 of the cylinder 4 side and is in threaded connection with an adjusting nut 15, the position of the trigger switch blocking piece on a needle head can be adjusted through the adjusting nut, and the switch handle 12 is magnetically connected with the adjusting nut 15.
The connecting mechanism comprises a locking nut 16 which is coaxially and fixedly arranged on the inner wall of the tail end of the injector barrel 2, a hollow locking screw 17 matched with the locking nut 16 is movably sleeved on the air cylinder 4, cracks capable of penetrating through one end of the locking screw 17 are uniformly arranged on the locking screw 17 along the circumferential direction at intervals, the locking screw is rotated and locked with the locking nut, the air cylinder is tightly held by the hollow screw, and therefore the relative position between the injector barrel and the air cylinder is locked.
Be located and be equipped with big internal diameter section 18 on the movable rod 7 outside the cylinder 4, the relief valve is including pressure release stick 1, be equipped with the toper spacing ring that can block the movable rod 7 hole that is located big internal diameter section 18 on the pressure release stick 19, the tip orientation of toper spacing ring is for deviating from the cylinder 4 side, the cover is equipped with spring 20 on the pressure release stick 19 between spacing ring and the big internal diameter section, 19 one end of pressure release stick stretches out from the movable rod 7 tip, press the elasticity that the pressure release stick overcome the spring, the air in the movable rod realizes the pressure release from the clearance discharge between toper spacing ring and the big internal diameter section, also can aerify from this department certainly.
An annular bulge is fixed on the outer wall of the end of the cylinder 4 provided with the cylinder plug 6, can limit the locking screw 17 to avoid slipping from the cylinder 4, and can also facilitate pulling the cylinder.
When the injector is used, the pressure release rod 19 is firstly pressed, the cylinder rubber plug 8 is pulled back, the cylinder 4 is pushed, the first piston 1 is tightly attached to the second piston 5, air between the first piston 1 and the second piston 5 is exhausted, then the cylinder rubber plug 8 is released, under the use of the movable rod spring 10, the cylinder rubber plug 8 enters the inner hole of the tapered tube of the cylinder, the first piston 1 and the second piston 5 form a closed space, after the cylinder 4 is pulled to extract liquid medicine, the locking screw rod 17 is rotated to be locked with the locking nut 16, the position between the injector tube 2 and the cylinder 4 is locked after locking, the adjusting nut 15 for adjusting the length of the connecting rod of the switch is screwed, and the position of the separation blade 11 of the trigger switch is determined. Air is injected into the cylinder 4 by an inflator pump, so that high pressure is formed in the cylinder 4. During the injection, insert the animal internally with syringe needle 3, when trigger switch separation blade 11 is extruded by the animal skin, promote switch handle 17 through switch connecting rod 13, pull open cylinder plug 8, in the high-pressure gas entering the gap between first piston 1 and the second piston 5 in the cylinder 4, high-pressure gas promotes first piston 1, injects the liquid medicine in the animal rapidly, accomplishes the injection process. Resetting: after the injection is finished, the pressure relief rod 19 is pressed, the cylinder rubber plug 8 is pulled back, the cylinder 4 is pushed, the first piston 1 is tightly attached to the second piston 5, air in the first piston 1 is exhausted, then the cylinder rubber plug 8 is released, the first piston 1 is tightly attached to the second piston 5, and the resetting is finished.
The utility model discloses rational in infrastructure, easy and simple to handle, safe high-efficient, the practicality is strong.
The injector is suitable for immunization injection and disease treatment injection in livestock farms, particularly immunization and disease treatment of virulent livestock and small animals which are small in gallbladder and easy to frighten, practically solves the problem of difficult injection, has great economic and social benefits, and is easy to popularize and apply.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a veterinary air pressure syringe establishes syringe section of thick bamboo (2) and the syringe needle (3) of connecting on syringe section of thick bamboo (2) of first piston (1) in including, its characterized in that: the syringe is characterized in that a cylinder (4) is arranged on the side of a first piston (1) deviating from a needle head (3) in a syringe barrel (2), a second piston (5) is arranged between the cylinder (4) and the first piston (1), a vent pipe is arranged on the side of the cylinder (4) facing to the second piston (5), a through hole matched with the vent pipe is arranged on the second piston (5), the inner wall of the through hole is hermetically connected with the outer wall of the vent pipe, the end of the cylinder (4) deviating from the second piston (5) is sealed by a cylinder plug (6), a movable rod (7) coaxially arranged with the cylinder (4) penetrates through the cylinder plug (6) and extends into the cylinder (4) to be connected with a cylinder rubber plug (8), the cylinder rubber plug (8) can be tightly plugged in the inner hole of the vent pipe of the cylinder (4), an annular guide block (9) is coaxially fixed on the movable rod (7), the periphery of the guide block (9) is in sliding contact with the inner wall of the cylinder (4), the utility model discloses a syringe, including guide block (9), cylinder stopper (6), movable rod (7) go up the cover and be equipped with movable rod spring (10), be equipped with the relief valve on cylinder (4), or movable rod (7) be can with the hollow structure of the inside intercommunication of cylinder (4), be located and be equipped with the relief valve on the outer movable rod (7) of cylinder (4), coaxial movable sleeve is equipped with trigger switch separation blade (11) on syringe needle (3), fixed cover is equipped with switch handle (12) on movable rod (7), be equipped with link gear between trigger switch separation blade (11) and switch handle (12), be equipped with coupling mechanism between syringe section of thick bamboo (2) end and cylinder (4).
2. A pneumatic injector for veterinary use according to claim 1, wherein: the linkage mechanism comprises two switch connecting rods (13), the two switch connecting rods (13) are respectively hinged to the opposite sides of the trigger switch blocking piece (11), the opposite sides of the syringe barrel (2) are respectively provided with a limiting seat (14) with a hole, and the switch connecting rods (13) penetrate through the limiting seats (14) in a sliding mode and are connected with a switch handle (12).
3. A pneumatic injector for veterinary use according to claim 1, wherein: the linkage mechanism comprises two switch connecting rods (13), the two switch connecting rods (13) are respectively hinged to the opposite sides of a trigger switch blocking piece (11), the opposite sides of the syringe barrel (2) are respectively provided with a limiting seat (14) with holes, the switch connecting rods (13) sequentially slide to penetrate through the limiting seats (14) and a switch handle (12), and the switch connecting rods (13) of the switch handle (12) facing the cylinder (4) are in threaded connection with adjusting nuts (15).
4. A pneumatic injector for veterinary use according to claim 1, wherein: coupling mechanism includes that coaxial fixed sets up lock nut (16) on syringe section of thick bamboo (2) terminal inner wall, the activity cover is equipped with cavity locking screw (17) with lock nut (16) adaptation on cylinder (4), be equipped with the crack that can run through its one end along its circumference even interval on locking screw (17).
5. A veterinary air pressure syringe according to any one of claims 1 to 4, characterised by: be located and be equipped with big internal diameter section (18) on movable rod (7) outside cylinder (4), the relief valve is including pressure release stick (19), be equipped with the toper spacing ring that can block movable rod (7) hole that is located big internal diameter section (18) on pressure release stick (19), the tip orientation of toper spacing ring is for deviating from cylinder (4) side, the cover is equipped with spring (20) on pressure release stick (19) between spacing ring and the big internal diameter section, pressure release stick (19) one end is followed movable rod (7) tip and is stretched out.
6. A pneumatic injector for veterinary use according to claim 5, wherein: an annular bulge is fixed on the outer wall of the end of the cylinder (4) provided with the cylinder plug (6).
7. A pneumatic injector for veterinary use according to claim 5, wherein: the breather pipe is a conical pipe, the through hole is a conical hole, and the cylinder rubber plug (8) can be tightly plugged in the inner hole of the conical pipe of the cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120807836.8U CN215080229U (en) | 2021-04-20 | 2021-04-20 | Pneumatic injector for animals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120807836.8U CN215080229U (en) | 2021-04-20 | 2021-04-20 | Pneumatic injector for animals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215080229U true CN215080229U (en) | 2021-12-10 |
Family
ID=79267278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120807836.8U Expired - Fee Related CN215080229U (en) | 2021-04-20 | 2021-04-20 | Pneumatic injector for animals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215080229U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114344626A (en) * | 2022-01-24 | 2022-04-15 | 中国人民解放军空军军医大学 | Automatic exhaust insulin syringe |
| CN115154758A (en) * | 2022-08-16 | 2022-10-11 | 荣嘉医疗科技(集团)有限公司 | Pen type injector |
-
2021
- 2021-04-20 CN CN202120807836.8U patent/CN215080229U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114344626A (en) * | 2022-01-24 | 2022-04-15 | 中国人民解放军空军军医大学 | Automatic exhaust insulin syringe |
| CN114344626B (en) * | 2022-01-24 | 2024-01-09 | 中国人民解放军空军军医大学 | Insulin syringe capable of automatically exhausting |
| CN115154758A (en) * | 2022-08-16 | 2022-10-11 | 荣嘉医疗科技(集团)有限公司 | Pen type injector |
| CN115154758B (en) * | 2022-08-16 | 2024-02-02 | 荣嘉医疗科技(集团)有限公司 | Pen type injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |