CN213217880U

CN213217880U - Mouse stomach irrigator

Info

Publication number: CN213217880U
Application number: CN202021182923.0U
Authority: CN
Inventors: 王文杰; 张念; 王文娟; 杨阳; 唐业; 何咏梅
Original assignee: Hubei Beiente Biotechnology Co ltd
Current assignee: Hubei Beiente Biotechnology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-05-18
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a mice lavage ware relates to the test equipment field, including the cylinder, cylinder internally mounted has the piston, piston one end fixedly connected with pushes away the handle, the cylinder is kept away from the one end intercommunication that pushes away the handle and is equipped with the joint, the joint is gone up the joint and is installed the lavage syringe needle, install opening mechanism on the cylinder in the lavage syringe needle outside, opening mechanism includes the thread bush, the equal fixedly connected with limit support ring in thread bush both ends, the cavity has been seted up to thread bush inside, thread bush surface threaded connection has the nut. The utility model discloses a rotating the nut, the nut rotates and utilizes the swivel to promote L shape pole and removes, and L shape pole removes along the fluting and promotes the connecting rod and remove, and the connecting rod removes and promotes the movable ball and remove in the activity groove to promote to the pole upwards rotates, supports the pole and rotates and support the oral cavity of mice through the fender pad, plays certain supporting role that opens, prevents that the mice from stinging bad gavage syringe needle, improves the security.

Description

Mouse stomach irrigator

Technical Field

The utility model relates to the field of test equipment, in particular to a little mice gavage ware.

Background

The white rat is a variety of wild traagulants, the rat species, and the most widely bred in China is the variety introduced from some institute of India to Yunnan Kunming breeding in 1946, and is mostly used for medical research, and when animal drug experiments are carried out, the drug is generally injected into the stomach of the white rat by using a syringe.

In the prior art, the gavage needle of the gavage device for the white mouse is inserted into the mouth of the white mouse, but the safety is not ideal because the white mouse struggles seriously in the gavage process and bites down the needle easily.

Therefore, it is necessary to invent a mouse gavage device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a little mice lavage device to solve the problem that the lavage needle head that provides among the above-mentioned background art is easy to be bitten bad.

In order to achieve the above object, the utility model provides a following technical scheme: a little mice stomach irrigator comprises a needle cylinder, wherein a piston is arranged in the needle cylinder, one end of the piston is fixedly connected with a push handle, one end of the needle cylinder, which is far away from the push handle, is communicated with a joint, a stomach irrigation needle head is clamped and installed on the joint, and an opening mechanism is installed on the needle cylinder outside the stomach irrigation needle head;

the opening mechanism comprises a threaded sleeve, wherein the two ends of the threaded sleeve are fixedly connected with limit support rings, a cavity is formed in the interior of the threaded sleeve, a nut is in threaded connection with the surface of the threaded sleeve, a sliding groove is formed in the surface of one side, close to the needle cylinder, of the nut, a rotating ring is connected inside the sliding groove in a sliding mode, one end of the rotating ring is fixedly connected with a plurality of L-shaped rods, one end of each L-shaped rod penetrates through the threaded sleeve and extends to the interior of the cavity, the L-shaped rod is located on one side of the interior of the cavity and is fixedly connected with a connecting rod, a movable ball is fixedly connected with one end of the connecting rod, the outer side of the movable ball is movably connected with a.

Preferably, the threaded sleeve is fixedly installed on the surface of the needle cylinder, a plurality of slots are formed in the surface of the threaded sleeve, and one end of the L-shaped rod penetrates through the slots and extends into the cavity.

Preferably, one end of the connecting rod penetrates through the cavity and extends to the outside, and the end part of the connecting rod is movably connected with the abutting rod through a movable ball and a movable groove.

Preferably, the supporting rod is an arc-shaped rod which is sunken inwards, and the end head of the supporting rod is fixedly connected with a protection pad.

Preferably, the protective pad is made of a sponge material.

Preferably, a screw hole is formed in the surface of one end, far away from the joint, of the needle cylinder, and a cover plate is connected to the inner portion of the screw hole in a threaded mode.

The utility model discloses a technological effect and advantage:

1. the nut rotates and pushes the L-shaped rod to move by utilizing the rotating ring, the L-shaped rod moves along the open slot to push the connecting rod to move, the connecting rod moves to push the movable ball to move in the movable slot, so that the abutting rod is pushed to rotate upwards, the abutting rod rotates to abut against the oral cavity of the white mouse through the protective pad, a certain opening supporting effect is achieved, the white mouse is prevented from biting the gastric perfusion needle head, and the safety is improved;

2. come to carry out quick installation and dismantlement to the apron through threaded connection's mode to can conveniently open the cylinder, effectively wash and change the piston the cylinder inside, improve the convenience of use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a structure in fig. 1.

Fig. 3 is a side view of the nut structure of the present invention.

In the figure: 1. a needle cylinder; 2. a piston; 3. a push handle; 4. a joint; 5. a stomach irrigation needle; 6. an opening mechanism; 7. a threaded sleeve; 8. a limiting support ring; 9. a cavity; 10. a nut; 11. a chute; 12. rotating the ring; 13. an L-shaped rod; 14. a connecting rod; 15. a movable ball; 16. a support rod; 17. a movable groove; 18. a protection pad; 19. a screw hole; 20. and (7) a cover plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a mice stomach irrigator as shown in figures 1-3, which comprises a needle cylinder 1, wherein a piston 2 is arranged in the needle cylinder 1, one end of the piston 2 is fixedly connected with a push handle 3, the drugs can be slowly pushed in by pushing the push handle 3, one end of the needle cylinder 1 far away from the push handle 3 is communicated with a joint 4, a stomach irrigator needle head 5 is clamped and installed on the joint 4, and the stomach irrigator needle head 5 is convenient to replace;

secondly, an opening mechanism 6 is installed on the needle cylinder 1 at the outer side of the gastric perfusion needle head 5, the opening mechanism 6 comprises a threaded sleeve 7, the threaded sleeve 7 is fixedly installed on the surface of the needle cylinder 1, a plurality of slots are formed in the surface of the threaded sleeve 7, and both ends of the threaded sleeve 7 are fixedly connected with limiting support rings 8 which can limit a nut 10 and prevent the nut 10 from falling off;

then, a cavity 9 is opened in the threaded sleeve 7, a nut 10 is connected to the surface of the threaded sleeve 7 through a thread, a chute 11 is opened on the surface of one side of the nut 10 close to the needle cylinder 1, a rotating ring 12 is connected to the inside of the chute 11 in a sliding manner, one end of the rotating ring 12 is fixedly connected with a plurality of L-shaped rods 13, one end of each L-shaped rod 13 penetrates through the corresponding slot and extends into the cavity 9, one end of each L-shaped rod 13 penetrates through the threaded sleeve 7 and extends into the cavity 9, one side of each L-shaped rod 13 located in the cavity 9 is fixedly connected with a connecting rod 14, one end of each connecting rod 14 penetrates through the corresponding cavity 9 and extends to the outside, the end of each connecting rod 14 is movably connected with a resisting rod 16 through a movable ball 15 and a movable slot 17, one end of each connecting rod 14 is fixedly connected with a movable ball 15, a resisting rod 16 is movably connected to, the inner side surface of the resisting rod 16 is provided with a movable groove 17, the nut 10 rotates to push the L-shaped rod 13 to move by utilizing the rotating ring 12 through rotating the nut 10, the L-shaped rod 13 moves along the groove to push the connecting rod 14 to move, the connecting rod 14 moves to push the movable ball 15 to move in the movable groove 17, so that the resisting rod 16 is pushed to rotate upwards, the resisting rod 16 rotates to resist the oral cavity of the white mouse through the protective pad 18, a certain opening supporting effect is achieved, the white mouse is prevented from biting the gastric perfusion needle head 5, and the safety is improved;

finally, the end of the support rod 16 is fixedly connected with a protection pad 18, and the protection pad 18 is made of sponge materials and can prevent the inner wall of the oral cavity of the white mouse from being damaged.

As shown in fig. 1, a screw hole 19 has been seted up on the end surface of the needle cylinder 1 far away from the joint 4, and screw hole 19 internal thread is connected with apron 20, and accessible threaded connection's mode comes to carry out quick installation and dismantlement to apron 20 to can conveniently open needle cylinder 1, effectively wash and change piston 2 inside the needle cylinder 1, improve the convenience of use.

The utility model discloses the theory of operation:

in practical use of the utility model, the gastric perfusion needle 5 is inserted into the mouth of the white mouse, then the nut 10 is rotated, the nut 10 rotates and utilizes the swivel 12 to push the L-shaped rod 13 to move, the L-shaped rod 13 moves along the slot to push the connecting rod 14 to move, the connecting rod 14 moves to push the movable ball 15 to move in the movable slot 17, thereby pushing the resisting rod 16 to rotate upwards, the resisting rod 16 rotates to resist the oral cavity of the white mouse through the protective pad 18, a certain opening supporting effect is achieved, the gastric perfusion needle 5 is prevented from being bitten by the white mouse, and the safety is improved;

then the push handle 3 is pushed slowly, the push handle 3 moves to push the piston 2 to move, and the piston 2 moves to push the medicine into the mouth of the white mouse.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A kind of mice gavage device, characterized by that: the device comprises a needle cylinder (1), wherein a piston (2) is arranged inside the needle cylinder (1), one end of the piston (2) is fixedly connected with a push handle (3), one end, far away from the push handle (3), of the needle cylinder (1) is communicated with a connector (4), an intragastric perfusion needle head (5) is installed on the connector (4) in a clamping mode, and an opening mechanism (6) is installed on the needle cylinder (1) on the outer side of the intragastric perfusion needle head (5);

the opening mechanism (6) comprises a threaded sleeve (7), both ends of the threaded sleeve (7) are fixedly connected with limit support rings (8), a cavity (9) is formed in the threaded sleeve (7), a nut (10) is in threaded connection with the surface of the threaded sleeve (7), a sliding groove (11) is formed in one side surface, close to the needle cylinder (1), of the nut (10), a rotating ring (12) is connected in the sliding groove (11) in a sliding mode, one end of the rotating ring (12) is fixedly connected with a plurality of L-shaped rods (13), one end of each L-shaped rod (13) penetrates through the threaded sleeve (7) and extends into the cavity (9), one side, located in the cavity (9), of each L-shaped rod (13) is fixedly connected with a connecting rod (14), one end of each connecting rod (14) is fixedly connected with a movable ball (15), and the outer side of each movable ball (15) is, one end of the supporting rod (16) is hinged with the limiting support ring (8), and the inner side surface of the supporting rod (16) is provided with a movable groove (17).

2. The mouse gavage apparatus of claim 1, wherein: the thread bushing (7) is fixedly arranged on the surface of the needle cylinder (1), a plurality of grooves are formed in the surface of the thread bushing (7), and one end of the L-shaped rod (13) penetrates through the grooves to extend into the cavity (9).

3. The mouse gavage apparatus of claim 1, wherein: one end of the connecting rod (14) penetrates through the cavity (9) and extends to the outside, and the end part of the connecting rod (14) is movably connected with the abutting rod (16) through a movable ball (15) and a movable groove (17).

4. The mouse gavage apparatus of claim 1, wherein: the supporting rod (16) is an arc-shaped rod which is sunken inwards, and the end of the supporting rod (16) is fixedly connected with a protection pad (18).

5. The mouse gavage apparatus of claim 4, wherein: the protective pad (18) is made of a sponge material.

6. The mouse gavage apparatus of claim 1, wherein: a screw hole (19) is formed in the surface of one end, far away from the joint (4), of the needle cylinder (1), and a cover plate (20) is connected to the inner portion of the screw hole (19) in a threaded mode.