CN214970390U

CN214970390U - Remote injection device

Info

Publication number: CN214970390U
Application number: CN202120911241.7U
Authority: CN
Inventors: 唐德琦
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-03
Anticipated expiration: 2031-04-29

Abstract

The utility model relates to a remote injection device, which comprises an injector, an injection power component and a front sleeve; the injector is provided with an injection tube, an injection needle positioned at the front side of the injection tube and a piston component positioned at the rear side of the injection tube and inserted in the injection tube; the injection power assembly is arranged at the rear side of the injection tube; the front sleeve is arranged on the front side of the injection tube and has the function of moving back and forth along the injection tube; the injection tube is provided with a front side limiting part and a rear side limiting part; a first spring is arranged between the rear limiting part and the front sleeve; the rear limit part is also used for controlling the length of the injection needle exposed out of the front sleeve. The utility model discloses a remote injection device, which can adjust and control the depth of the injection needle penetrating into the animal body through the front sleeve, and avoid unnecessary damage to the animal; after injection, the whole body can automatically fall off, and the front sleeve can also cover the injection needle, so that the safety of the whole body is improved; overall structure is simple, and the equipment is convenient, and the practicality is strong.

Description

Remote injection device

Technical Field

The utility model relates to an animal injection apparatus field especially relates to a long-range injection device.

Background

In zoos, the animals need to be injected with disease-preventing vaccines regularly, different animals need different injection methods, the prior art generally comprises blowpipe injection and continuous injector injection, the animals can be injected by the continuous injector in a close-range contact manner, the animals with more violence can only be injected by the blowpipe injector in a remote manner, and the injectors need to be blown and injected into the bodies of the animals, are injected by power of the injectors and then automatically fall off.

At present, injectors for blow pipes have various specifications, but a problem still exists in that the injectors with corresponding specifications need to be replaced aiming at animals with different sizes, and the depth of a needle penetrating into an animal body is usually determined according to an actually selected injection needle; during injection, the injection needle is immersed into the body surface of an animal, and only the needle heads with different specifications can be replaced aiming at animals with different sizes, and the depth of the injection needle penetrating into the animal body cannot be well controlled even if the needle heads with different specifications are replaced.

The blow pipe type injector shortens the distance from the animal by a longer blow pipe so as to ensure that the injector injects in a designated area on the animal, for the injection mode, the animal still needs to be in a limited space in a cage for implementation, for an open zoo, the animals have larger moving space, and the blow pipe injector cannot meet the actual requirement; for long-distance injection, the injection position is not accurate enough, and the needle head is easy to injure animals.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a remote injection device, which can adjust and control the depth of the injection needle penetrating into the animal body through the front sleeve, and avoid unnecessary damage to the animal; after injection, the whole body can automatically fall off, and the front sleeve can also cover the injection needle, so that the safety of the whole body is improved; overall structure is simple, and the equipment is convenient, and the practicality is strong.

The utility model provides a technical scheme that its technical problem adopted is: a remote injection device comprising an injector, an injection power assembly, and a front sleeve; the injector is provided with an injection tube, an injection needle positioned at the front side of the injection tube and a piston component positioned at the rear side of the injection tube and inserted in the injection tube; the injection power assembly is arranged at the rear side of the injection cylinder and is used for controlling the action of the piston component during injection; the front sleeve is arranged on the front side of the injection tube and has the function of moving back and forth along the injection tube; the injection tube is provided with a front side limiting part and a rear side limiting part which are used for limiting the front-back movement range of the front sleeve on the injection tube; a first spring is arranged between the rear limiting part and the front sleeve and is used for keeping the front sleeve at the foremost end and sleeving the front sleeve on the outer side of the injection needle; the rear limiting part is also used for moving along the front-rear direction of the injection tube and then fixing the injection tube on the injection tube, and further controlling the length of the injection needle exposed out of the front sleeve when the front sleeve moves to the rearmost end.

Furthermore, the front end of the injection cylinder is provided with a fixed head; an injection needle seat is fixed at the rear end of the injection needle; the injection needle seat is in threaded connection with the fixed head; the front end of the injection needle is provided with a closed needle point, and the injection needle is also provided with a needle hole which is arranged on the side wall of the injection needle and is positioned at the position close to the front end of the injection needle; the injection needle is also sleeved with a sealing sleeve in the area of the needle hole; the outer wall of the injection tube is also provided with scales in the front-back direction for indicating the volume of the liquid medicine extracted by the injection tube.

Further, the piston component comprises a piston positioned in the injection cylinder, a piston rod connected to the rear end of the piston and a partition plate arranged at the rear end of the piston rod; the injection power assembly comprises a rear sleeve and a second spring positioned in the rear sleeve; the rear sleeve is provided with a hollow rear cylinder body with a closed rear end, and a first internal thread is arranged on the inner wall of the rear cylinder body in a region close to the front end; the outer wall of the injection cylinder is provided with a first external thread in the area close to the rear end; the rear sleeve is in threaded fit with the injection tube through a first internal thread and a first external thread, wherein the front-back length dimension of the first internal thread is larger than the front-back length dimension of the first external thread, and the rear sleeve is used for moving back and forth along the injection tube and is fixed on the injection tube; the front end of the rear sleeve is also provided with a push ring; the push ring is used as the rear limiting part.

Furthermore, the rear end of the second spring abuts against the rear end of the inner cavity of the rear sleeve, and the front end of the second spring abuts against the rear end of the partition plate.

Furthermore, a plurality of convex edges in the front and back directions are distributed on the outer wall of the rear cylinder body along the circumferential direction; the front end and the rear end of the convex edge are in smooth transition with the outer wall of the rear barrel respectively.

Further, the convex edge is also provided with a notch.

Furthermore, the rear end of the rear sleeve is also provided with a raised head; the raised head is provided with a tail spike.

Further, the outer wall of the injection cylinder is provided with a second external thread in the area close to the front end; a second internal thread is arranged on the inner wall of the front sleeve in a region close to the rear end; after the front sleeve and the injection tube are installed through the second external thread and the second internal thread, the second internal thread of the front sleeve is sleeved on the outer side of the injection tube and is positioned behind the second external thread; the second external thread serves as the front limit portion.

Furthermore, the rear end of the first spring abuts against the front end of the push ring, and the front end of the first spring abuts against the rear end of the front sleeve.

The utility model has the advantages that: the utility model discloses a remote injection device, the preceding sleeve of adoption, when contacting with the animal body surface, can be promoted backward and compress first spring, and expose the syringe needle, prick into to the internal back of animal, the maximum backshifting distance of sleeve before the rear end spacing portion control, the length that control syringe needle exposes promptly, simultaneously, injection power component promotes the syringe and injects, after the injection is accomplished, preceding sleeve is under the effect of first spring, the forward movement, and act on the body surface of animal, make the syringe needle withdraw from the animal body, then, drop automatically, after dropping, preceding sleeve is in the state that covers completely in the syringe needle outside, protect the syringe needle promptly, also prevent that the syringe needle from accidentally injuring other animals or human beings; the adopted rear sleeve provides the installation and use space of the second spring on one hand, and also can provide the rear limiting function of the front sleeve on the other hand, and the rear limiting position of the rear sleeve is controlled through the first external thread and the second external thread, so that the length of the injection needle exposed out of the front sleeve can be adjusted; by adopting the design of the convex edges, the sliding of hands and the rear sleeve in the circumferential direction can be prevented when the rear sleeve and the injector are installed, the strength of the rear sleeve can be enhanced, in addition, the aerodynamic force of the remote injection device can be improved, and the precision of the remote injection device can be improved; the notch design on the convex edge prevents the slip of hands and the back sleeve in the front-back direction when the back sleeve and the injector are installed.

Drawings

Fig. 1 is a schematic view of a remote injection device of an embodiment;

FIG. 2 is a schematic view of an injector of a remote injection device according to an embodiment;

fig. 3 is a schematic view of an internal structure of a remote injection device before injection according to an embodiment;

fig. 4 is a schematic view of an internal structure of a remote injection device at the time of injection according to an embodiment;

FIG. 5 is a schematic illustration of a post-injection detached internal structure of a remote injection device according to an embodiment;

fig. 6 is a schematic view of an internal structure of a remote injection device for shortening the exposed length of an injection needle according to an embodiment.

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are only used for explaining the present invention and are not limited to the protection scope of the present invention.

Examples

Referring to fig. 1 to 6, the present embodiment provides a remote injection device, which includes an injector 1, an injection power assembly and a front sleeve 4; the syringe 1 has a syringe 101, an injection needle 104 positioned on the front side of the syringe 101, and a piston member positioned on the rear side of the syringe 101 and inserted into the syringe 101; the injection power assembly is arranged at the rear side of the injection cylinder 101 and is used for controlling the action of the piston component during injection; the front sleeve 4 is arranged on the front side of the injection tube 101 and has the function of moving back and forth along the injection tube; the injection tube 101 is provided with a front side limiting part and a rear side limiting part which are used for limiting the front-back movement range of the front sleeve 4 on the injection tube 101; a first spring 5 is arranged between the rear limiting part and the front sleeve 4 and used for keeping the front sleeve 4 at the foremost end and sleeving the front sleeve on the outer side of the injection needle; the rear stopper is also used to move along the front-rear direction of the syringe 101 and then fixed to the syringe, and further controls the length of the syringe needle 104 exposed outside the front sleeve 4 when the front sleeve 4 moves to the rearmost end.

Referring to fig. 2 again, in the remote injection device of the present embodiment, a fixing head 102 is disposed at a front end of the syringe 101; the rear end of the injection needle 104 is fixedly provided with an injection needle seat 103; the injection needle seat 103 is in threaded connection with the fixed head 102; the front end of the injection needle 104 is provided with a closed needlepoint 105, and the injection needle 104 is also provided with a needle hole 107 which is arranged on the side wall of the injection needle 104 and is positioned close to the front end position of the injection needle 104; the injection needle 104 is also sleeved with a sealing sleeve 106 in the area of the needle hole 107; the outer wall of the syringe 101 is further provided with front and rear scales 113 for indicating the volume of the liquid medicine drawn by the syringe 101.

Referring again to fig. 2 and 3, in a remote injection device of the present embodiment, the piston member includes a piston 108 disposed in the syringe barrel 101, a piston rod 109 connected to a rear end of the piston 108, and a spacer 110 disposed at a rear end of the piston rod 109; the injection power assembly comprises a rear sleeve 2 and a second spring 3 positioned in the rear sleeve 2; the rear sleeve 2 is provided with a hollow rear cylinder body 201 with a closed rear end, and the inner wall of the rear cylinder body is provided with a first internal thread 202 in the area close to the front end; the outer wall of the syringe 101 is provided with a first external thread 111 in the area close to the rear end; the rear sleeve 2 is in threaded fit with the injection cylinder 101 through a first internal thread 202 and a first external thread 111, wherein the front-back length dimension of the first internal thread 202 is larger than the front-back length dimension of the first external thread 111, so that the rear sleeve 2 can move back and forth along the injection cylinder 101 and is fixed on the injection cylinder 101; the front end of the rear sleeve 2 is also provided with a push ring 207; the push ring 207 serves as the rear stopper.

Referring to fig. 3 again, in the remote injection device of the present embodiment, the rear end of the second spring 3 abuts against the rear end of the inner cavity of the rear sleeve 2, and the front end of the second spring 3 abuts against the rear end of the partition 110.

Referring to fig. 1 and 3 again, in the remote injection device of the present embodiment, a plurality of ribs 203 in the front-back direction are distributed on the outer wall of the rear barrel 201 along the circumferential direction; the front end and the rear end of the convex rib 203 are respectively in smooth transition with the outer wall of the rear barrel body 2.

Referring again to fig. 1 and 3, in a remote injection device of this embodiment, the rib 203 is further provided with a notch 204.

Referring to fig. 1 and 3 again, in the remote injection device of the present embodiment, the rear end of the rear sleeve 2 is further provided with a boss 205; the nose 205 is provided with a tail ear 206.

Referring again to fig. 2 and 3, in a remote injection device of the present embodiment, the outer wall of the syringe barrel 101 is provided with a second external thread 112 in a region near the front end; the inner wall of the front sleeve 4 is provided with a second internal thread 401 in the area close to the rear end; after the front sleeve 4 and the syringe barrel 101 are installed through the second external thread 112 and the second internal thread 401, the second internal thread 401 of the front sleeve 4 is sleeved outside the syringe barrel 101 and is positioned behind the second external thread 112; the second external thread 112 serves as the front stop.

Referring to fig. 1 and 3 again, in the remote injection device of the present embodiment, the rear end of the first spring 5 abuts against the front end of the push ring 207, and the front end of the first spring 5 abuts against the rear end of the front sleeve 4.

In the remote injection device of the embodiment, the syringe 1 is assembled, a specified amount of liquid medicine is extracted through the piston 108 and the piston rod 109 of the syringe, then the front sleeve 4 is screwed on the second external thread 112 through the second internal thread 401 until the second internal thread 401 is separated from the second external thread 112, so that the front sleeve 4 is sleeved on the syringe 101, then the first spring 5 is installed and sleeved on the syringe from the rear side of the syringe 101, the second spring 3 is installed in the rear sleeve 2, and then the rear sleeve 2 is screwed on the first external thread 111 through the first internal thread 202, so that the assembly is completed; then, in use, according to actual requirements, the maximum distance of the injection needle extending out of the front sleeve 4 (the maximum depth of the injection needle during injection) is adjusted by screwing or unscrewing the adjusted position of the rear sleeve 2 on the injection tube 101.

In use, the remote injection device is loaded through a blow tube or other device capable of emitting, and then is shot aiming at the area of the animal needing to be injected; after the injection, the front end of the front sleeve 4 of the remote injection device is firstly contacted with the body surface of the animal to limit, under the action of the impact force of the injection, the other parts of the remote injection device except the front sleeve 4 continue to move forwards (under the state, the first spring is gradually compressed), the injection needle is contacted with the body surface of the animal and pricks into the body of the animal, the action of the closed sleeve on the body surface of the animal stops moving forwards, the forward movement of the injection needle exposes a needle hole, under the thrust of the second spring to the piston component, the liquid medicine in the injection tube enters the body of the animal through the needle hole, then, after the first spring is compressed to the limit, the first spring is matched with the reaction force when the remote injection device impacts the body surface of the animal, the first spring stretches to push the other parts of the remote injection device except the front sleeve 4 to move backwards, the injection needle is pulled out of the body of the animal, and after the injection needle is completely separated from the body of the animal, the remote injection device falls off, i.e. the injection into the animal is completed.

The front sleeve is adopted, when the front sleeve is in contact with the body surface of an animal, the front sleeve is pushed backwards and compresses the first spring, the injection needle is exposed, after the injection needle is inserted into the animal, the rear end limiting part controls the maximum backward movement distance of the front sleeve, namely the exposed length of the injection needle is controlled, meanwhile, the injection power assembly pushes the injector to inject, after the injection is completed, the front sleeve moves forwards under the action of the first spring and acts on the body surface of the animal to enable the injection needle to be withdrawn from the animal body, then the front sleeve automatically falls off, and after the front sleeve falls off, the front sleeve is completely covered on the outer side of the injection needle, namely the injection needle is protected, and other animals or human beings are prevented from being accidentally injured by the injection needle; the adopted rear sleeve provides the installation and use space of the second spring on one hand, and also can provide the rear limiting function of the front sleeve on the other hand, and the rear limiting position of the rear sleeve is controlled through the first external thread and the second external thread, so that the length of the injection needle exposed out of the front sleeve can be adjusted; by adopting the design of the convex edges, the sliding of hands and the rear sleeve in the circumferential direction can be prevented when the rear sleeve and the injector are installed, the strength of the rear sleeve can be enhanced, in addition, the aerodynamic force of the remote injection device can be improved, and the precision of the remote injection device can be improved; the notch design on the convex edge prevents the slip of hands and the back sleeve in the front-back direction when the back sleeve and the injector are installed.

The above-mentioned embodiments should not limit the present invention in any way, and all the technical solutions obtained by adopting equivalent replacement or equivalent conversion fall within the protection scope of the present invention.

Claims

1. A remote injection device, characterized by: comprises an injector, an injection power component and a front sleeve; the injector is provided with an injection tube, an injection needle positioned at the front side of the injection tube and a piston component positioned at the rear side of the injection tube and inserted in the injection tube; the injection power assembly is arranged at the rear side of the injection cylinder and is used for controlling the action of the piston component during injection; the front sleeve is arranged on the front side of the injection tube and has the function of moving back and forth along the injection tube; the injection tube is provided with a front side limiting part and a rear side limiting part which are used for limiting the front-back movement range of the front sleeve on the injection tube; a first spring is arranged between the rear limiting part and the front sleeve and is used for keeping the front sleeve at the foremost end and sleeving the front sleeve on the outer side of the injection needle; the rear limiting part is also used for moving along the front-rear direction of the injection tube and then fixing the injection tube on the injection tube, and further controlling the length of the injection needle exposed out of the front sleeve when the front sleeve moves to the rearmost end.

2. A remote injection device as claimed in claim 1, wherein: the front end of the injection tube is provided with a fixed head; an injection needle seat is fixed at the rear end of the injection needle; the injection needle seat is in threaded connection with the fixed head; the front end of the injection needle is provided with a closed needle point, and the injection needle is also provided with a needle hole which is arranged on the side wall of the injection needle and is positioned at the position close to the front end of the injection needle; the injection needle is also sleeved with a sealing sleeve in the area of the needle hole; the outer wall of the injection tube is also provided with scales in the front-back direction for indicating the volume of the liquid medicine extracted by the injection tube.

3. A remote injection device as claimed in claim 1 or 2, wherein: the piston component comprises a piston positioned in the injection cylinder, a piston rod connected to the rear end of the piston and a partition plate arranged at the rear end of the piston rod; the injection power assembly comprises a rear sleeve and a second spring positioned in the rear sleeve; the rear sleeve is provided with a hollow rear cylinder body with a closed rear end, and a first internal thread is arranged on the inner wall of the rear cylinder body in a region close to the front end; the outer wall of the injection cylinder is provided with a first external thread in the area close to the rear end; the rear sleeve is in threaded fit with the injection tube through a first internal thread and a first external thread, wherein the front-back length dimension of the first internal thread is larger than the front-back length dimension of the first external thread, and the rear sleeve is used for moving back and forth along the injection tube and is fixed on the injection tube; the front end of the rear sleeve is also provided with a push ring; the push ring is used as the rear limiting part.

4. A remote injection device as claimed in claim 3, wherein: the rear end of the second spring is abutted against the rear end of the inner cavity of the rear sleeve, and the front end of the second spring is abutted against the rear end of the partition plate.

5. A remote injection device as claimed in claim 3, wherein: a plurality of convex edges in the front and back directions are distributed on the outer wall of the rear barrel along the circumferential direction; the front end and the rear end of the convex edge are in smooth transition with the outer wall of the rear barrel respectively.

6. A remote injection device as claimed in claim 5, wherein: the convex edge is also provided with a notch.

7. A remote injection device as claimed in claim 3, wherein: the rear end of the rear sleeve is also provided with a raised head; the raised head is provided with a tail spike.

8. A remote injection device as claimed in claim 3, wherein: the outer wall of the injection cylinder is provided with a second external thread in the area close to the front end; a second internal thread is arranged on the inner wall of the front sleeve in a region close to the rear end; after the front sleeve and the injection tube are installed through the second external thread and the second internal thread, the second internal thread of the front sleeve is sleeved on the outer side of the injection tube and is positioned behind the second external thread; the second external thread serves as the front limit portion.

9. A remote injection device as claimed in claim 8, wherein: the rear end of the first spring is abutted against the front end of the push ring, and the front end of the first spring is abutted against the rear end of the front sleeve.