CN216294338U

CN216294338U - Telescopic syringe convenient to safety is retrieved

Info

Publication number: CN216294338U
Application number: CN202122250955.0U
Authority: CN
Inventors: 李春红; 程文颖; 宿坤; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-15
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a telescopic injector convenient for safe recovery, which comprises an injection tube, a needle head and an injection head, wherein the outer surface of the injection tube is provided with a notch, the outer side of the notch is provided with a first connecting plate, the left end of the first connecting plate is connected with a second connecting plate, the inner wall of the second connecting plate is connected with a connecting block, the inner end of the connecting block is connected with a sponge block, the left end of the injection tube is communicated with the injection head, the needle head penetrates through the interior of the injection head, the interior of the injection tube is connected with a piston, the surface of one end, far away from the injection head, of the piston is fixedly connected with a connecting rod, one end, far away from the piston, of the connecting rod is connected with a push plate in a welding mode, and the push plate is positioned outside the injection tube. This telescopic syringe convenient to safety is retrieved finishes using the back, and control syringe needle that can be convenient makes its inside that removes the body to convenient follow-up retrieving avoids the syringe needle to hinder the people.

Description

Telescopic syringe convenient to safety is retrieved

Technical Field

The utility model relates to the technical field of syringes, in particular to a telescopic syringe convenient for safe recovery.

Background

Both human and animal diseases are caused by some reasons, and in order to improve the disease condition as soon as possible, a method of injecting a liquid medicine is used, so that a syringe is used to inject a therapeutic liquid medicine into the human or animal body;

however, when the existing syringe is used and recycled, the needle is completely exposed, and the recycling personnel are easily injured during recycling, so that the problem of cross infection and the like is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a retractable syringe convenient to safely recover.

In order to achieve the purpose, the utility model provides the following technical scheme: a telescopic injector convenient for safe recovery comprises an injection tube, a needle head and an injection head, wherein a notch is formed in the outer surface of the injection tube, a first connecting plate is arranged on the outer side of the notch, the left end of the first connecting plate is connected with a second connecting plate, the inner wall of the second connecting plate is connected with a connecting block, and the inner end of the connecting block is connected with a sponge block;

the left end of injection pipe intercommunication has the injection head, and the inside interlude of injection head has the syringe needle to the right-hand member of syringe needle is connected with the baffle, the internal connection of injection pipe has the piston, and the piston is kept away from the one end fixed surface of injection head and is connected with the connecting rod, the one end that the piston was kept away from to the connecting rod is connected with the push pedal through the welded mode, and the push pedal is located the outside of injection pipe.

Preferably, the longitudinal section of the first connecting plate is in a U-shaped structure, and the first connecting plate is arranged up and down symmetrically with respect to the injection tube.

Preferably, the lower surface of the first connecting plate is a convex structure, the first connecting plate is in clamping connection with the notch through the convex structure, and the first connecting plate is in a sliding structure on the syringe.

Preferably, the second connecting plate is of a rotating structure on the first connecting plate, the second connecting plate and the connecting block are combined to form an integrated structure, the sponge block and the connecting block are connected in a sticking mode, and meanwhile the position of the sponge block corresponds to the position of the needle head.

Preferably, the baffle and the needle head are connected by welding, and the outer surface of the baffle is tightly attached to the inner wall of the injection head.

Compared with the prior art, the utility model has the beneficial effects that: after the telescopic syringe convenient for safe recovery is used, the needle head can be conveniently controlled to move to the inside of the tube body, so that the subsequent recovery is convenient, and the injury to people caused by the needle head is avoided;

1. the second connecting plate is rotated on the first connecting plate, so that the connecting block and the sponge block are aligned with the needle head, and then the first connecting plate is slid, so that the needle head is extruded by the connecting block and the sponge block to slide into the tube body;

2. the connection mode of baffle and syringe needle is the welding, and the surface of baffle closely laminates with the inner wall of injection head, when needs the syringe needle to remove the external world again, only needs control piston slip once more like this, and the air in the injection syringe will extrude and promote the baffle to control baffle and syringe needle outwards slide together.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. an injection tube; 2. a recess; 3. a first connecting plate; 4. a second connecting plate; 5. connecting blocks; 6. a sponge block; 7. a needle head; 8. a baffle plate; 9. an injection head; 10. a piston; 11. a connecting rod; 12. a push plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a telescopic injector convenient for safe recovery comprises an injection tube 1, a notch 2, a first connecting plate 3, a second connecting plate 4, a connecting block 5, a sponge block 6, a needle 7, a baffle plate 8, an injection head 9, a piston 10, a connecting rod 11 and a push plate 12, wherein the notch 2 is arranged on the outer surface of the injection tube 1, and the outer side of the notch 2 is provided with a first connecting plate 3, the left end of the first connecting plate 3 is connected with a second connecting plate 4, the inner wall of the second connecting plate 4 is connected with a connecting block 5, the second connecting plate 4 is of a rotating structure on the first connecting plate 3, and the second connecting plate 4 and the connecting block 5 are combined to form an integrated structure, the sponge block 6 is stuck and connected with the connecting block 5, and the position of the sponge block 6 corresponds to the position of the needle 7, and by the rotation of the second connecting plate 4, the needle head 7 can be contacted with the sponge block 6, and the inner end of the connecting block 5 is connected with the sponge block 6;

the left end intercommunication of injection syringe 1 has injection head 9, and the inside interlude of injection head 9 has syringe needle 7, and the right-hand member of syringe needle 7 is connected with baffle 8, baffle 8 and syringe needle 7's connected mode is the welding, and the surface of baffle 8 closely laminates with the inner wall of injection head 9, utilize baffle 8 to be convenient for make syringe needle 7 remove out through atmospheric pressure, the internal connection of injection syringe 1 has piston 10, and piston 10 keeps away from the one end fixed surface of injection head 9 and is connected with connecting rod 11, the one end that piston 10 was kept away from to connecting rod 11 is connected with push pedal 12 through the welded mode, and push pedal 12 is located the outside of injection syringe 1.

As shown in FIG. 1, the longitudinal section of the first connecting plate 3 is in a U-shaped structure, and the first connecting plate 3 is arranged up and down symmetrically with respect to the injection tube 1, and the first connecting plate 3 is used for facilitating the connection of the second connecting plate 4 and the rotation thereof.

The lower surface of the first connecting plate 3 is a protrusion structure as shown in fig. 1 and 2, and the first connecting plate 3 is connected with the notch 2 in a snap fit manner through the protrusion structure, and the first connecting plate 3 is a sliding structure on the syringe 1, and the second connecting plate 4 is moved by the sliding of the first connecting plate 3, so as to press the needle 7 to move into the injection head 9.

The working principle is as follows: when the retractable syringe convenient for safe recovery is used, firstly, a user holds the syringe 1 by hand and pushes the push plate 12, so that the connecting rod 11 drives the piston 10 to move, thereby completing the operations of liquid extraction and injection;

after the injection is finished, the user manually controls the second connecting plate 4 to rotate on the first connecting plate 3, so that the sponge block 6 on the connecting block 5 is contacted with the needle 7, and then manually pushes the first connecting plate 3 and the second connecting plate 4 to slide on the injection tube 1 through the notch 2 so as to utilize the connecting block 5 to extrude the needle 7 to slide into the injection head 9, so that the needle 7 is prevented from hurting people during recovery;

if it is desired to move the needle 7 out again, while keeping the sponge block 6 aligned with the needle 7, and then to push the push plate 12 again to slide the piston 10, the shutter 8 will, under the influence of the air pressure, bring the needle 7 outwards when it is subjected to pressure, thus exposing the needle 7, which is the whole process of using the retractable syringe for safe recovery, and which is not described in detail in this description, is well known to the person skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A retractable syringe convenient for safe recovery comprises a syringe (1), a needle (7) and an injection head (9), and is characterized in that: a notch (2) is formed in the outer surface of the injection tube (1), a first connecting plate (3) is arranged on the outer side of the notch (2), the left end of the first connecting plate (3) is connected with a second connecting plate (4), the inner wall of the second connecting plate (4) is connected with a connecting block (5), and the inner end of the connecting block (5) is connected with a sponge block (6);

the left end intercommunication of injection pipe (1) has injection head (9), and the inside interlude of injection head (9) has syringe needle (7) to the right-hand member of syringe needle (7) is connected with baffle (8), the internal connection of injection pipe (1) has piston (10), and piston (10) keep away from one end fixed surface of injection head (9) and be connected with connecting rod (11), the one end that piston (10) were kept away from in connecting rod (11) is connected with push pedal (12) through the welded mode, and push pedal (12) are located the outside of injection pipe (1).

2. A retractable syringe for safe recovery, according to claim 1, wherein: the longitudinal section of the first connecting plate (3) is in a U-shaped structure, and the first connecting plate (3) is arranged in an up-and-down symmetrical mode relative to the injection tube (1).

3. A retractable syringe for safe recovery, according to claim 1, wherein: the lower surface of the first connecting plate (3) is of a convex structure, the first connecting plate (3) is connected with the notch (2) in a clamping mode through the convex structure, and the first connecting plate (3) is of a sliding structure on the injection tube (1).

4. A retractable syringe for safe recovery, according to claim 1, wherein: the second connecting plate (4) is of a rotating structure on the first connecting plate (3), the second connecting plate (4) and the connecting block (5) are combined to form an integrated structure, the sponge block (6) and the connecting block (5) are connected in a sticking mode, and meanwhile the position of the sponge block (6) corresponds to the position of the needle head (7).

5. A retractable syringe for safe recovery, according to claim 1, wherein: the baffle (8) and the needle head (7) are connected by welding, and the outer surface of the baffle (8) is tightly attached to the inner wall of the injection head (9).