CN209933705U

CN209933705U - Syringe handle convenient to injection

Info

Publication number: CN209933705U
Application number: CN201920348811.9U
Authority: CN
Inventors: 敖亮
Original assignee: Yanan University Affiliated Hospital
Current assignee: Yanan University Affiliated Hospital
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-01-14
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses an injector handle convenient to injection, including injection tube and push away the handle, cup jointed fixed handle on the injection tube, the one end that the injection tube was in is equipped with the connection end cover, connect the end cover and push away that the rigid coupling has spring one between the handle, the below that pushes away the handle is equipped with self-lock device, self-lock device includes the fixed plate, the rigid coupling has two deflectors on the fixed plate, it has movable box to peg graft between two deflectors, the bottom surface both sides of activity box all are equipped with spring two, control and be equipped with the handle between two springs, rotate in the activity box and be equipped with the carousel, the upper end rigid coupling of carousel has fixed tooth, it has the sawtooth to prolong its length direction rigid coupling to push away the bottom, the carousel is equipped with spring three between the side of keeping away from one side of connecting the end cover and activity box, the upper end rigid coupling of. Compared with the prior art, the utility model the advantage lie in: automatic injection and convenient injection, and simultaneously reduces the labor intensity of medical personnel.

Description

Syringe handle convenient to injection

Technical Field

The utility model relates to the technical field of syringes, in particular to a syringe handle convenient for injection.

Background

Syringes are a common medical device, and the principle of syringes was proposed by kathler, italian as early as the 15 th century. Gas or liquid is primarily drawn or injected with a needle. The traditional injector at present consists of a syringe with a small hole at the front end and a piston core rod matched with the syringe, and is used for injecting a small amount of liquid or the liquid into an area which cannot be accessed by other methods or extracting the liquid or the gas from the area, the liquid or the gas is sucked from the small hole at the front end of the syringe when the core rod is pulled out, the liquid or the gas is extruded when the core rod is pushed in, and the hand of a medical worker always pushes the core rod in the extrusion process to know that the liquid or the gas in the syringe is extruded completely, so that the injection is troublesome and the fingers are easy to fatigue.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide an automatic injection, injection convenience, reduce medical personnel's intensity of labour's an injector handle convenient to inject simultaneously.

In order to solve the technical problem, the utility model provides a technical scheme does: a syringe handle convenient for injection comprises an injection tube and a push handle inserted in the injection tube, wherein a fixed handle is sleeved on the injection tube, a connecting end cover is arranged at one end of the injection tube close to the push handle, a first spring is fixedly connected between the connecting end cover and a push plate at the outer end of the push handle, a self-locking device is arranged below the push handle, the self-locking device comprises a fixed plate fixedly connected at the bottom of the connecting end cover, two guide plates are fixedly connected on the fixed plate, a movable box is inserted between the two guide plates, two sides of the bottom surface of the movable box are respectively provided with a second spring, a handle penetrating through the fixed plate and fixedly connected to the bottom surface of the movable box is arranged between the left spring and the right spring, a rotary disc is rotatably arranged in the movable box, fixed teeth are fixedly connected at the upper end of the rotary disc, sawteeth matched with the fixed teeth are fixedly connected at the bottom of the push handle along the length direction, and a, and a limiting block corresponding to the rotary disc is fixedly connected to the upper end of the guide plate on the side opposite to the spring III.

Compared with the prior art, the utility model the advantage lie in: when in use, the front end of the injection tube is put into liquid or gas to be used, then one hand is put on the fixed handle, the other hand pulls the push handle backwards, the first spring is stretched, the turntable compresses the spring to rotate in the moving direction of the three-way push handle under the driving of the sawteeth at the lower part of the push handle, when the liquid or gas is sucked, the push handle is loosened, the push handle moves backwards under the pulling force of the first spring, the fixed teeth at the upper end of the turntable are clamped between the two sawteeth at the lower end of the push handle, the turntable is fixed under the action of the limiting block, so that the push handle stops moving backwards, when the injection is needed, the handle at the lower part of the movable box is pulled downwards, the movable box is driven by the pull handle to move downwards along the guide plates at the left side and the right side, the fixed teeth on the turntable are separated from the sawteeth, then the movable box moves backwards under the pulling force of the first spring, and the liquid, the automatic injection is realized, the medical care personnel are not required to push the injection all the time, the injection is convenient, and the labor intensity of the medical care personnel is reduced.

As an improvement, the injection tube is provided with a limiting plate and a fixing nut corresponding to the fixing handle, the fixing handle is positioned between the limiting plate and the fixing nut, and the fixing handle is positioned between the limiting plate and the fixing nut. The connection is stable.

As the improvement, the injection tube is provided with threads at one end provided with the connecting end cover, the connecting end cover is connected with the injection tube through threads, the threaded connection structure is simple, and the connection is convenient, fast and stable.

As an improvement, the cotton pad is adhered to the inner side of the push plate at one end far away from the connecting end cover, when medical staff pull the push handle backwards to extract liquid or gas, the push handle needs to be pulled outwards by a large force under the elastic action of the first spring, the hand pulling the push handle is in contact with the cotton pad, the finger protection effect is achieved, and meanwhile the push handle is pulled by the medical staff to be more comfortable.

As an improvement, the fixing handle is provided with finger grooves at the upper part and the lower part of the injection tube, so that the fixing handle can be held by hands conveniently, and liquid or gas can be pumped conveniently.

As an improvement, the upper part of one side of the movable box provided with the spring III is provided with a lock head, the lower part of the guide plate is provided with a lock hole corresponding to the lock head, and when the lock head reaches the position of the lock hole in the process of pulling the handle downwards, the lock head is ejected out of the groove and inserted into the lock hole under the action of the spring, so that the movable box is locked, and automatic injection is facilitated.

Drawings

Fig. 1 is a schematic structural view of a syringe handle for facilitating injection according to the present invention.

Fig. 2 is a schematic structural view of the syringe handle self-locking device for facilitating injection of the present invention.

As shown in the figure: 1. injection tube, 2, push handle, 3, fixed handle, 4, self-locking device, 5, sawtooth, 6, connecting end cover, 7, spring I, 8, limiting plate, 9, fixing nut, 10, cotton pad, 11, fixed plate, 12, deflector, 13, movable box, 14, spring II, 15, carousel, 16, spring III, 17, fixed tooth, 18, stopper, 19, handle, 20, tapered end, 21, lockhole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A syringe handle convenient for injection comprises an injection tube 1 and a push handle 2 inserted in the injection tube 1, wherein a fixed handle 3 is sleeved on the injection tube 1, a connecting end cover 6 is arranged at one end of the injection tube 1 close to the push handle 2, a first spring 7 is fixedly connected between the connecting end cover 6 and a push plate at the outer end of the push handle 2, a self-locking device 4 is arranged below the push handle 2, the self-locking device 4 comprises a fixed plate 11 fixedly connected at the bottom of the connecting end cover 6, two guide plates 12 are fixedly connected on the fixed plate 11, a movable box 13 is inserted between the two guide plates 12, two springs 14 are arranged on two sides of the bottom surface of the movable box 13, a pull handle 19 penetrating through the fixed plate 11 and fixedly connected to the bottom surface of the movable box 13 is arranged between the left spring 14 and the right spring 14, a rotary table 15 is rotatably arranged in the movable box 13, a fixed tooth 17 is fixedly connected at the upper end of the rotary table 15, and sawteeth 5 matched with the fixed tooth 17, a third spring 16 is arranged between one side of the rotary disc 15 far away from the connecting end cover 6 and the side surface of the movable box 13, and a limiting block 18 corresponding to the rotary disc 15 is fixedly connected to the upper end of the guide plate 12 on the side opposite to the third spring 16.

And the injection tube 1 is provided with a limiting plate 8 and a fixing nut 9 corresponding to the fixing handle 3, and the fixing handle 3 is positioned between the limiting plate 8 and the fixing nut 9.

The injection tube 1 is provided with threads at one end provided with a connecting end cover 6, and the connecting end cover 6 is connected with the injection tube 1 through threads.

The pushing handle 2 is stuck with a cotton pad 10 on the pushing plate at one end far away from the connecting end cover 6.

The fixed handle 3 is provided with finger grooves at the upper part and the lower part of the injection tube 1.

The upper part of one side of the movable box 13 provided with the third spring 16 is provided with a lock head 20, and the lower part of the guide plate 12 is provided with a lock hole 21 corresponding to the lock head 20.

When the utility model is implemented, when in use, the front end of the injection tube is put into the liquid or gas to be used, then one hand is put in the finger groove on the fixed handle, the other hand is positioned at the cotton pad and pulls the push handle backwards, the spring I is stretched, under the driving of the saw teeth at the lower part of the push handle, the moving direction of the turntable compression spring three-way push handle is rotated, after the liquid or gas is absorbed, the push handle is loosened, under the action of the pulling force of the spring I, the push handle moves backwards, at the moment, the fixed gear at the upper end of the turntable is clamped between the two saw teeth at the lower end of the push handle, and the turntable is fixed under the action of the limit block, so that the push handle stops moving backwards, when the injection is needed, the handle at the lower part of the movable box is pulled downwards, the movable box is driven by the handle to move downwards along the guide plates at the left and the right sides, in the process that the handle is pulled, under the effect of spring, the tapered end is popped out from the recess and is injected in the lockhole, pins the activity box, and fixed tooth on the carousel breaks away from with the sawtooth this moment, then moves back under the pulling force of spring one to extrude the liquid or the gas in the injection tube, realize automatic injection, need not medical personnel and push away the injection always with the hand, it is convenient to inject, reduces medical personnel's intensity of labour simultaneously.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides an syringe handle convenient to injection, includes injection tube (1) and inserts push handle (2) in injection tube (1), its characterized in that: a fixed handle (3) is sleeved on the injection tube (1), a connecting end cover (6) is arranged at one end of the injection tube (1) close to the push handle (2), a first spring (7) is fixedly connected between the connecting end cover (6) and a push plate at the outer end of the push handle (2), a self-locking device (4) is arranged below the push handle (2), the self-locking device (4) comprises a fixed plate (11) fixedly connected to the bottom of the connecting end cover (6), two guide plates (12) are fixedly connected to the fixed plate (11), a movable box (13) is inserted between the two guide plates (12), two springs (14) are arranged on two sides of the bottom surface of the movable box (13), a handle (19) penetrating through the fixed plate (11) and fixedly connected to the bottom surface of the movable box (13) is arranged between the left spring (14) and the right spring (14), a rotary disc (15) is rotatably arranged in the movable box (13), and a fixed gear (17) is fixedly connected, the bottom of the push handle (2) is fixedly connected with sawteeth (5) matched with the fixed teeth (17) along the length direction, a third spring (16) is arranged between one side of the rotary disc (15) far away from the connecting end cover (6) and the side surface of the movable box (13), and a limiting block (18) corresponding to the rotary disc (15) is fixedly connected with the upper end of the guide plate (12) on the side opposite to the third spring (16).

2. A syringe handle for facilitating injection according to claim 1, wherein: be equipped with on injection tube (1) with fixed limiting plate (8) and fixation nut (9) corresponding (3), fixed being located between limiting plate (8) and fixation nut (9) 3.

3. A syringe handle for facilitating injection according to claim 1, wherein: the injection tube (1) is provided with threads at one end provided with a connecting end cover (6), and the connecting end cover (6) is connected with the injection tube (1) through threads.

4. A syringe handle for facilitating injection according to claim 1, wherein: the pushing handle (2) is stuck with a cotton pad (10) on the pushing plate at one end far away from the connecting end cover (6).

5. A syringe handle for facilitating injection according to claim 1, wherein: the fixed handle (3) is provided with finger grooves at the upper part and the lower part of the injection tube (1).

6. A syringe handle for facilitating injection according to claim 1, wherein: the upper part of one side of the movable box (13) provided with the third spring (16) is provided with a lock head (20), and the lower part of the guide plate (12) is provided with a lock hole (21) corresponding to the lock head (20).