CN214435704U

CN214435704U - Novel syringe

Info

Publication number: CN214435704U
Application number: CN202022771292.2U
Authority: CN
Inventors: 郑萍
Original assignee: Jiaxing Maternity and Child Health Care Hospital
Current assignee: Jiaxing Maternity and Child Health Care Hospital
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-10-22
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a novel injector relates to medical appliances technical field, including the cylinder, needle handle and needle tubing main part, the fixed needle tubing mastoid that is provided with in one end middle part of cylinder, the needle tubing mastoid goes up the activity joint and is provided with the needle handle, the one end middle part of needle handle is provided with the needle tubing main part, the needle tubing mastoid is close to the one end activity of cylinder and is cup jointed and is provided with the throw-out collar, the throw-out collar is close to the equal fixed dead lever that is provided with in one side both ends of cylinder, the cylinder both sides are close to the one end middle part of needle tubing mastoid and all fix and are provided with the fixed block, the fixed block middle part is run through and has been seted up logical groove, it is provided with the movable rod to lead to the activity of inslot portion. The utility model discloses a press two ejector pads to promote the ejector pad, two ejector pads drive two movable rods respectively and the dead lever removes, thereby make the throw-out collar remove, and release the needle handle, can change the needle handle, need not to bump the touch needle handle with the hand during change, are favorable to conveniently dismantling the needle handle, and improve the security.

Description

Novel syringe

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a novel syringe.

Background

Syringes are a common medical device. As early as the 15 th century, kathler, italian, proposed the principle of the syringe. Gas or liquid is primarily drawn or injected with a needle. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography.

When the existing syringe is used, the needle head needs to be replaced after the syringe is adapted once, but when the existing syringe is used for replacing the needle head, a hand of a person is required to touch the needle handle part of the needle head, the disassembly is inconvenient, the human body is easy to stab, and the infection is seriously caused; and the models of different places of the existing syringe are different, and different syringes are not easy to distinguish and easy to take by mistake.

Therefore, it is necessary to invent a new syringe to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel syringe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel injector comprises a needle cylinder, a needle handle and a needle tube main body, wherein the middle part of one end of the needle cylinder is fixedly provided with a needle tube mastoid, the needle tube mastoid is movably clamped on the needle tube mastoid and is provided with the needle handle, the middle part of one end of the needle handle is provided with the needle tube main body, one end of the needle tube mastoid close to the needle cylinder is movably sleeved with a push ring, both ends of one side of the push ring close to the needle cylinder are fixedly provided with fixed rods, the middle parts of both sides of the needle cylinder close to the needle tube mastoid are fixedly provided with fixed blocks, the middle parts of the fixed blocks are penetrated and provided with through grooves, movable rods are movably penetrated and arranged in the through grooves, one end of each movable rod is fixedly connected with one side of the bottom end of one of the fixed rods, one side of each fixed block is provided with a push block, the other end of each movable rod is fixedly connected with the bottom end of one side of the push block, the middle part of the top end of one side of each fixed block is provided with a sliding groove, and a sliding block matched with the sliding groove is fixedly arranged at the top end of one side of the push block.

Preferably, the inner wall of the through groove is fixedly provided with a slip increasing layer, and the slip increasing layer is connected with the movable rod in a fitting manner.

Preferably, one side of the push ring close to the needle handle is provided with a protective ring in a surrounding manner, and the protective ring is attached and connected with the needle handle.

Preferably, one side of the push block, which is far away from the fixed block, is fixedly provided with a plurality of damping protrusions, and the plurality of damping protrusions are distributed in a rectangular array.

Preferably, the limiting grooves are formed in the middle parts of the inner walls of the two sides of the sliding groove, and limiting blocks matched with the limiting grooves are fixedly arranged in the middle parts of the two sides of the sliding block.

Preferably, the bottom end of the outer side wall of the needle cylinder is provided with a color coating in a surrounding mode, the inside of the needle cylinder is movably provided with a piston, and the middle of the bottom end of the piston is fixedly provided with a connecting rod.

Preferably, the bottom end of the connecting rod extends to the outer side of the needle cylinder, and the bottom end of the connecting rod is fixedly provided with a pressing plate.

The utility model discloses a technological effect and advantage:

1. the needle handle can be replaced by pressing the two push blocks and pushing the push blocks, and the two push blocks respectively drive the two movable rods and the fixed rod to move, so that the push ring moves and the needle handle is pushed out, and the needle handle is not required to be touched by hands during replacement, thereby being beneficial to conveniently disassembling the needle handle and improving the safety;

2. the utility model sets different color coatings on the syringes with different types through the color coatings, which is beneficial to conveniently and rapidly searching the syringes with corresponding types and improving the working efficiency;

3. the utility model discloses a setting of slider and spout can prevent that the ejector pad skew from, causes the movable rod to damage, and through the setting of spacing groove and stopper, it is inside to be favorable to preventing that the slider from breaking away from the spout simultaneously.

Drawings

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

Fig. 2 is the schematic view of the sectional view structure of the fixing block of the present invention.

Fig. 3 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

Fig. 4 is a schematic side sectional structure view of fig. 2 of the present invention.

In the figure: 1. a needle cylinder; 2. a needle handle; 3. a needle tube body; 4. a fixed block; 5. mastoid process of the needle tube; 6. a push ring; 7. fixing the rod; 8. a through groove; 9. a movable rod; 10. a push block; 11. a slider; 12. a chute; 13. a slip layer; 14. a guard ring; 15. a piston; 16. a connecting rod; 17. a pressing plate; 18. a limiting groove; 19. a limiting block; 20. color coating; 21. a damping projection.

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 novel injector as shown in figures 1-4, which comprises a needle cylinder 1, a needle handle 2 and a needle cylinder main body 3, wherein the middle part of one end of the needle cylinder 1 is fixedly provided with a needle cylinder mastoid 5, the needle cylinder mastoid 5 is movably clamped with the needle handle 2, the middle part of one end of the needle handle 2 is provided with the needle cylinder main body 3, one end of the needle cylinder mastoid 5 close to the needle cylinder 1 is movably sleeved with a push ring 6, both ends of one side of the push ring 6 close to the needle cylinder 1 are fixedly provided with fixed rods 7, the middle parts of both sides of the needle cylinder 1 close to the one end of the needle cylinder mastoid 5 are fixedly provided with fixed blocks 4, the middle part of the fixed blocks 4 is provided with a through groove 8 in a penetrating way, the inside of the through groove 8 is movably provided with a movable rod 9, one end of the movable rod 9 is fixedly connected with one side of the bottom end of one fixed rod 7, one side of the fixed blocks 4 is provided with a push block 10, and the other end of movable rod 9 and one side bottom fixed connection of ejector pad 10, through holding two ejector pads 10 down to promote ejector pad 10, two ejector pads 10 drive two movable rod 9 and dead lever 7 respectively and remove, thereby make the throw-out collar 6 remove, and release needle handle 2, can change needle handle 2, need not during the change to touch needle handle 2 with the hand, are favorable to conveniently dismantling needle handle 2, and improve the security, spout 12 has been seted up at one side top middle part of fixed block 4, the fixed slider 11 that is provided with 12 looks adaptations of spout in one side top of ejector pad 10, through the setting of slider 11 and spout 12, can prevent that ejector pad 10 from skewing, cause movable rod 9 to damage.

Further, the both sides inner wall middle part of spout 12 has all been seted up spacing groove 18, the both sides middle part of slider 11 is all fixed be provided with spacing groove 18 looks adaptation stopper 19, through the setting of spacing groove 18 and stopper 19, is favorable to preventing that slider 11 from breaking away from inside spout 12, the lateral wall bottom of cylinder 1 is encircleed and is provided with color coating 20, through color coating 20's setting, sets up the color coating 20 of different colours on the cylinder 1 of different models, is favorable to conveniently looking for the cylinder 1 of the model that corresponds fast, improves work efficiency, 1 inside activity of cylinder is provided with piston 15, the bottom mid-mounting of piston 15 is provided with connecting rod 16, the bottom of connecting rod 16 extends to the cylinder 1 outside, the bottom mounting of connecting rod 16 is provided with according to clamp plate 17.

Secondly, it increases smooth layer 13 to lead to fixed being provided with of 8 inner walls of groove, and increases smooth layer 13 and be connected with the laminating of movable rod 9, increases smooth layer 13 and makes for polytetrafluoroethylene, and polytetrafluoroethylene has minimum coefficient of friction, through the setting that increases smooth layer 13, is favorable to reducing the wearing and tearing of movable rod 9, the throw-out collar 6 encircles and is provided with guard circle 14 near one side of needle handle 2, and guard circle 14 is connected with the laminating of needle handle 2, and guard circle 14 is made for elastic rubber, through the setting of guard circle 14, is favorable to protecting throw-out collar 6 not by wearing and tearing, the ejector pad 10 is kept away from fixed being provided with a plurality of damping arch 21 in one side of fixed block 4, and a plurality of damping arch 21 are the rectangular array and distribute, through the setting of a plurality of damping arch 21, can increase frictional force, is favorable to conveniently promoting ejector pad 10.

The utility model discloses the theory of operation:

during the use, select the cylinder 1 that corresponds the model through the colour coating 20 of the different colours on the cylinder 1 of difference and use, use the back, through holding two ejector pads 10 simultaneously to promote two ejector pads 10 and move to the direction that is close to needle handle 2, ejector pad 10 drives movable rod 9 and dead lever 7 and moves, thereby drives ejector ring 6 and moves to the direction that is close to needle handle 2, and it can to break away from needle tubing mastoid 5 until ejector ring 6 pushes out needle handle 2.

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 novel syringe is characterized in that: comprises a needle cylinder (1), a needle handle (2) and a needle tube main body (3), wherein a needle tube mastoid (5) is fixedly arranged in the middle of one end of the needle cylinder (1), the needle tube mastoid (5) is movably clamped and provided with the needle handle (2), the needle tube main body (3) is arranged in the middle of one end of the needle handle (2), a push ring (6) is movably sleeved at one end of the needle tube mastoid (5) close to the needle cylinder (1), fixing rods (7) are fixedly arranged at two ends of one side of the push ring (6) close to the needle cylinder (1), fixing blocks (4) are fixedly arranged in the middle of one ends of two sides of the needle cylinder (1) close to the needle tube mastoid (5), through grooves (8) are formed in the middle of the fixing blocks (4), movable rods (9) are movably arranged in the through grooves (8), one end of each movable rod (9) is fixedly connected with one side of the bottom end of one fixing rod (7), one side of fixed block (4) is provided with ejector pad (10), and the other end of movable rod (9) and one side bottom fixed connection of ejector pad (10), spout (12) have been seted up at one side top middle part of fixed block (4), fixed slider (11) that are provided with spout (12) looks adaptation in one side top of ejector pad (10).

2. The new syringe of claim 1 wherein: the inner wall of the through groove (8) is fixedly provided with a slip increasing layer (13), and the slip increasing layer (13) is attached to and connected with the movable rod (9).

3. The new syringe of claim 2 wherein: one side of the push ring (6) close to the needle handle (2) is provided with a protective ring (14) in a surrounding mode, and the protective ring (14) is attached to the needle handle (2).

4. A novel syringe as claimed in claim 3, wherein: one side of the push block (10) far away from the fixed block (4) is fixedly provided with a plurality of damping bulges (21), and the damping bulges (21) are distributed in a rectangular array.

5. The new syringe of claim 4, wherein: limiting grooves (18) are formed in the middle portions of the inner walls of the two sides of the sliding groove (12), and limiting blocks (19) matched with the limiting grooves (18) are fixedly arranged in the middle portions of the two sides of the sliding block (11).

6. The new syringe of claim 5, wherein: the color coating (20) is arranged at the bottom end of the outer side wall of the needle cylinder (1) in a surrounding mode, the piston (15) is movably arranged inside the needle cylinder (1), and the connecting rod (16) is fixedly arranged in the middle of the bottom end of the piston (15).

7. The new syringe of claim 6 wherein: the bottom end of the connecting rod (16) extends to the outer side of the needle cylinder (1), and a pressing plate (17) is fixedly arranged at the bottom end of the connecting rod (16).