CN212235517U - Buffer device for pushing and pulling injector - Google Patents

Abstract

The utility model discloses a buffer for syringe push-and-pull, the syringe includes injection tube and push rod, the end of push rod is provided with pushes away the handle, buffer includes the supporter, sets up the connecting rod on the supporter and sets up the arc parcel portion that is used for wrapping up and pushing away the handle of keeping away from supporter one end on the connecting rod, be provided with the first flexible buffer body with staff direct contact on the supporter, the cover is equipped with the hemispherical sliding sleeve that is of an opening orientation arc parcel portion on the connecting rod, it still is provided with a reset spring to lie in on the connecting rod between sliding sleeve and the supporter, reset spring one end butt is on the sliding sleeve, and other end butt is on the supporter, works as when the sliding sleeve pressure sleeve is in arc parcel portion, reset spring is in compression state. The utility model discloses not only can prevent that buffer from droing from pushing away the handle, can fix a position pressing the application of force point moreover, prevent the skew of application of force point.

Description

Buffer device for pushing and pulling injector

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, concretely relates to a buffer for syringe push-and-pull.

Background

Syringes, as a common medical device, primarily draw or inject gas or liquid through a needle. A hospital clinic receives a large number of patients every day, the patients needing to inject medicines are very many, the medicines for the injectors are generally required to be configured, if some powder injections need to inject liquid medicines into bottles filled with the powder injections, the mixed medicines are diluted and mixed, then the mixed medicines are extracted from the bottles, the pressing and pulling actions are many, and the fingers of medical staff are injured by frequent operation; to the higher disease reception of hospital outpatient department, each link of hospital generally arranges special personnel respectively and operates, and the work of dispensing of syringe just needs the special person to operate, and in the face of the work of dispensing of syringe eight hours every day, medical personnel's the condition that red and swollen often can all appear in finger, and the finger is pressed also can appear painful, and is very big to medical personnel's physical and mental injury.

For solving the above problem, chinese utility model patent CN209951949U discloses a buffer for syringe push-and-pull, the buffer that has the flexible buffer body through pushing away the handle joint reduces the painful sense that medical personnel brought by long-time push-and-pull syringe, however, the device is from one side joint of push rod to pushing away on the handle, consequently, it is easy in the operation process because of the point of application of force is not right arouse buffer to take place to sideslip to lead to buffer to drop from pushing away the handle, cause not good use to experience.

Disclosure of Invention

The invention aims to provide a buffer device for pushing and pulling an injector, which adopts a new installation mode, not only can prevent the buffer device from falling off from a push handle, but also can position a pressing force application point and prevent the force application point from deviating.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: the utility model provides a buffer for syringe push-and-pull, the syringe includes injection tube and push rod, the end of push rod is provided with pushes away the handle, buffer includes the supporter, sets up the connecting rod on the supporter and sets up the arc parcel portion that is used for wrapping up and pushing away the handle of keeping away from supporter one end on the connecting rod, be provided with the first flexible buffer body with staff direct contact on the supporter, the cover is equipped with an opening and faces the hemispherical sliding sleeve that is of arc parcel portion on the connecting rod, it still is provided with a reset spring to lie in on the connecting rod between sliding sleeve and the supporter, reset spring one end butt is on the sliding sleeve, and the other end butt is on the supporter, works as when the sliding sleeve pressure sleeve is on arc parcel portion, reset spring is in compression state.

In the technical scheme, the support body is in a round cake shape.

In the above technical solution, the first flexible buffer body is disposed on one side of the support body away from the connecting rod, and the center of the first flexible buffer body is recessed toward one side of the support body.

In the technical scheme, the thickness of the first flexible buffer body is 2-3 mm, and the central depression depth is 1-1.5 mm.

In the technical scheme, the arc wrapping part comprises a plurality of arc pinch plates which are distributed in a divergence shape, each arc pinch plate is enclosed into a spherical surface with a round hole when being closed, and the size of the round hole is smaller than that of the push handle.

In the technical scheme, the inner surface of each arc-shaped buckle plate is provided with a fan-shaped baffle, and when the arc-shaped buckle plates are closed, the fan-shaped baffles are spliced to form a circular baffle which is abutted to the push handle.

In the above technical scheme, the arc wrapping portion includes four arc pinch plates distributed in a divergent manner.

In the above technical scheme, the sliding sleeve is provided with a pair of side wings.

In the technical scheme, a second flexible buffer body is arranged on the surface of the side wing facing the opening direction of the sliding sleeve.

In the technical scheme, the thickness of the second flexible buffer body is 1-1.5 mm.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. the buffering device of the utility model locks the arc wrapping part on the push handle by arranging the arc wrapping part to match with the sliding sleeve driven by the spring, and then drives the connecting rod by the supporting body with the first flexible buffering body to drive the arc wrapping part to realize the push and pull of the injector, the installation mode of the buffering device is simpler and firmer, and the buffering device can be effectively prevented from slipping from the push handle;

2. the utility model, by sinking the center of the first flexible buffer body to one side of the support body, positions the pressing point of the human hand, prevents the deviation of pressing, and further prevents the buffer device from slipping due to improper operation;

3. the utility model discloses a first flexible buffering physical stamina that buffer provided can effectively reduce the painful sense that medical personnel's long-time push-and-pull syringe brought, avoids red swelling, guarantees medical personnel physical and mental health, improves individual work enthusiasm.

Drawings

Fig. 1 is a schematic structural diagram of a buffering device according to a first embodiment of the present invention.

Fig. 2 is a schematic view of a practical state of a buffering device according to a first embodiment of the present invention.

Wherein: 1. an injection tube; 2. a push rod; 3. a push handle; 4. a support body; 5. a connecting rod; 6. a first flexible buffer; 7. a sliding sleeve; 8. a return spring; 9. an arc buckle plate; 10. a fan-shaped baffle plate; 11. a side wing; 12. a second flexible buffer.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

the first embodiment is as follows:

referring to fig. 1, the buffer device for pushing and pulling the injector comprises an injection tube 1 and a push rod 2, wherein a push handle 3 is arranged at the tail end of the push rod, the buffer device comprises a support body 4, a connecting rod 5 arranged on the support body and an arc wrapping part which is arranged on the connecting rod and is far away from one end of the support body and used for wrapping the push handle, a first flexible buffer body 6 which is in direct contact with a human hand is arranged on the support body, a hemispherical sliding sleeve 7 with an opening facing the arc wrapping part is sleeved on the connecting rod, a reset spring 8 is further arranged on the connecting rod and between the sliding sleeve and the support body, one end of the reset spring is abutted to the sliding sleeve, the other end of the reset spring is abutted to the support body, and when the sliding sleeve is pressed on the arc wrapping part, the reset spring.

In this embodiment, the support is in the shape of a circular cake.

In this embodiment, the first flexible buffer body is disposed on a side of the support body away from the connecting rod, and a center of the first flexible buffer body is recessed toward the support body.

In this embodiment, the thickness of the first flexible buffer body is 2 to 3mm, and the central depression depth thereof is 1 to 1.5 mm. Specifically, the thickness of the first flexible buffer body is preferably 3mm, and the central depression depth thereof is preferably 1.5 mm.

In this embodiment, the arc wrapping portion includes a plurality of arc pinch plates 9 distributed in a divergent manner, and when the arc pinch plates are closed together, a spherical surface with a circular hole is formed by the arc pinch plates, and the size of the circular hole is smaller than that of the push handle. The arc-shaped buckle plate is an elastic buckle plate and has an elastic trend of opening towards the outer side.

In this embodiment, a fan-shaped baffle 10 is disposed on the inner surface of each of the arc-shaped pinch plates, and when the arc-shaped pinch plates are closed, the fan-shaped baffles are spliced to form a circular baffle abutted to the push handle.

Specifically, the arc wrapping portion comprises four arc pinch plates which are distributed in a divergent mode.

In this embodiment, the sliding sleeve is provided with a pair of side wings 11.

In this embodiment, a second flexible buffer 12 is disposed on a surface of the side wing facing the opening direction of the sliding sleeve.

In this embodiment, the thickness of the second flexible buffer body is 1-1.5 mm. Specifically, the thickness of the second flexible buffer body is preferably 1.5 mm.

Referring to fig. 2, the utility model discloses a buffer when using, clip the sliding sleeve and support on two flanks with forefinger and middle finger earlier, the first flexible buffering body is pressed to the thumb, further extrude reset spring, make the sliding sleeve follow arc parcel portion and put aside, arc parcel portion is opened this moment, insert the arc parcel portion with the push handle of syringe again, lift the thumb, the sliding sleeve is pressed once more to make arc parcel portion tighten up and will push away the handle lock in arc parcel portion under reset spring's effect, this moment, the push-and-pull has the supporter of the first flexible buffering body just can effectively reduce the painful sense that medical personnel's long-time push-and-pull syringe brought under the effect, avoid red swelling, guarantee medical personnel physical and mental health, improve individual work enthusiasm.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a buffer for syringe push-and-pull, the syringe includes injection cylinder and push rod, the end of push rod is provided with pushes away the handle, its characterized in that: buffer includes the supporter, sets up the connecting rod on the supporter and sets up the arc parcel portion that is used for the parcel to live and pushes away the handle of keeping away from supporter one end on the connecting rod, be provided with the first flexible buffering body with staff direct contact on the supporter, the cover is equipped with an opening towards arc parcel portion's the hemispherical sliding sleeve that is on the connecting rod, it still is provided with a reset spring to lie in on the connecting rod between sliding sleeve and the supporter, reset spring one end butt is on the sliding sleeve, and other end butt is on the supporter, works as when the sliding sleeve pressure sleeve is in arc parcel portion, reset spring is in compression state.

2. A buffer for pushing and pulling a syringe as defined in claim 1, wherein: the support body is in a round cake shape.

3. A buffer for pushing and pulling a syringe as defined in claim 1, wherein: the first flexible buffer body is arranged on one side, far away from the connecting rod, of the supporting body, and the center of the first flexible buffer body is sunken towards one side of the supporting body.

4. A buffer for pushing and pulling a syringe as defined in claim 3, wherein: the thickness of the first flexible buffer body is 2-3 mm, and the central depression depth of the first flexible buffer body is 1-1.5 mm.

5. A buffer for pushing and pulling a syringe as defined in claim 1, wherein: the arc wrapping part comprises a plurality of arc pinch plates which are distributed in a divergence shape, each arc pinch plate is enclosed into a spherical surface with a round hole when being closed, and the size of the round hole is smaller than that of the push handle.

6. A buffer for pushing and pulling a syringe as defined in claim 5, wherein: the inner surface of each arc-shaped buckle plate is provided with a fan-shaped baffle plate, and when the arc-shaped buckle plates are closed, the fan-shaped baffle plates are spliced to form a circular baffle plate which is abutted to the push handle.

7. A buffer for pushing and pulling a syringe as defined in claim 5, wherein: the arc wrapping part comprises four arc pinch plates which are distributed in a divergence shape.

8. A buffer for pushing and pulling a syringe as defined in claim 1, wherein: the sliding sleeve is provided with a pair of side wings.

9. A buffer for use in pushing and pulling an injector as defined in claim 8, wherein: and a second flexible buffer body is arranged on the surface of the side wing facing the opening direction of the sliding sleeve.

10. A buffer for use in pushing and pulling an injector as defined in claim 9, wherein: the thickness of the second flexible buffer body is 1-1.5 mm.

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