CN216963197U - Insulin pen with syringe needle helical structure - Google Patents

Abstract

The utility model discloses an insulin pen with a needle head spiral structure, which comprises a pen body and an extension spring, wherein auxiliary cap returning blocks are fixed at the front end and the rear end of the pen body, spring grooves are formed in the upper side and the lower side of the pen body, a pressure spring is arranged in each spring groove, a telescopic rod is connected to the end face of one side of each pressure spring, a threaded connection needle tube is arranged on one side of the pen body, a threaded needle cover is arranged on one side of the threaded connection needle tube, a pulling body is arranged at the front end of the threaded connection needle tube, a needle cap groove is formed in the pen cover, a pulling groove is connected to the outer surface of the pulling body, and the extension spring is positioned on the end face of one side of the threaded connection needle tube. This insulin pen sets up the entering human body that pine leaf form needle body can be better, reduces painful sense, and the pulling body of setting can produce the effort to the threaded connection needle tubing and let it stretch out and draw back under expanding spring's effect to let the syringe needle contract, conveniently overlap on the syringe needle, avoid the condition of stabbing.

Description

Insulin pen with syringe needle helical structure

Technical Field

The utility model relates to the technical field of insulin pens, in particular to an insulin pen with a needle head spiral structure.

Background

The insulin pen removes the loaded down with trivial details process that the patient removed insulin with the syringe in the insulin medicine bottle from, can remove the awkwardness of patient's friend at the insulin of public occasion injection from, for the patient's friend who looks poor or even blindness injects the insulin and brings the convenience, specifically can divide into two kinds, repeatedly usable's insulin pen: after the refill is used up, the refill is replaced, and the insulin pen can be used for many years, even for the whole life. The insulin pen can be bought in China. Disposable insulin pen: some insulin pens are disposable, and after the insulin pen is used, the insulin pen with the refill is thrown away together and replaced by a new insulin pen. The insulin pen is simple and sanitary. China has few insulin pens.

Present existing insulin pen does not have the syringe needle, need to add the syringe needle back alone and use, the syringe needle of present design is that the spiral shell revolves soon, the syringe needle cap is smaller, the old patient's eyesight of back of using up is inconvenient to overlap, medical staff has beaten the needle back for the patient at every turn, because the syringe needle can not directly be got rid of to the spiral, cover the syringe needle cap earlier, because the cap is smaller, take place the acupuncture easily and hinder, can not be fine satisfy people's user demand, to the above-mentioned condition, carry out technical innovation on present basis.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an insulin pen with a needle head spiral structure, which solves the problems that the existing insulin pen in the background technology does not have a needle head and needs to be used after the needle head is added independently, the existing designed needle head is screwed, the needle head cap is small, the eyesight of an old patient is poor after the insulin pen is used, the insulin pen cannot be conveniently used again, after a medical worker takes a needle for the patient each time, the needle head cannot be directly removed through a spiral, the needle head cap is firstly covered, the needle head is easy to be punctured because the cap is small, and the use requirement of people cannot be well met.

In order to achieve the purpose, the utility model provides the following technical scheme: the insulin pen with the needle helical structure comprises a pen body and an expansion spring, wherein auxiliary cap returning blocks are fixed at the front end and the rear end of the pen body respectively, spring grooves are formed in the upper side and the lower side of the pen body respectively, a pressure spring is arranged in each spring groove, a side end face of each pressure spring is connected with a telescopic rod, a threaded connection needle tube is arranged in the pen body, a threaded needle cover is arranged on one side of each threaded connection needle tube, a needle body is connected to one side of the threaded needle cover, a pulling body is arranged at the front end of each threaded connection needle tube, a pen cap is arranged on one side of the needle body, auxiliary cap returning grooves are formed in the front end and the rear end of the inner wall of the pen cap, a needle cap groove is formed in the pen cap, the outer surface of the pulling body is connected with a pulling groove, and the expansion spring is located on one side end face of the threaded connection needle tube.

Preferably, the spring grooves are symmetrically distributed around the horizontal center line of the pen body, and two spring grooves are arranged.

Preferably, the pressure spring and the telescopic rod are welded, and an elastic telescopic structure is formed between the pressure spring and the telescopic rod.

Preferably, the threaded connection needle tube is fixedly connected with the pulling body, and the needle cap groove is matched with the overall dimension of the needle body.

Preferably, the pen cap forms a sliding structure with the pen body through the auxiliary cap returning groove and the auxiliary cap returning block, and the auxiliary cap returning groove and the auxiliary cap returning block are matched in shape and size.

Preferably, the head end of the needle body is a loose-leaf structure, the threaded connection needle tube forms a sliding structure with the pen body through the pulling body and the pulling groove, and the threaded connection needle tube forms an elastic telescopic structure with the telescopic spring.

Compared with the prior art, the utility model has the following beneficial effects:

1. the symmetrical groups of pressure springs can be arranged through the symmetrically arranged spring grooves, so that the stress is more balanced, and the connection stability between the pen cover and the pen body is improved; the elastic telescopic rod can apply pressure to the pen cap, so that the connection effect between the pen cap and the pen body is improved;

2. The needle head cap can be placed in the needle cap groove, so that the needle body is in contact with the needle cap and sleeved with the needle body, and the needle body can be conveniently replaced by the cap; the auxiliary cap returning groove and the auxiliary cap returning block are arranged, so that the connection between the pen cap and the pen body can be facilitated, and the cap returning is facilitated;

3. set up the entering human body that pine leaf form needle body can be better, reduce painful sense, the pulling body of setting can produce the effort to threaded connection needle tubing and let it stretch out and draw back under expanding spring's effect to let the syringe needle contract, conveniently overlap on the syringe needle, thereby avoid the condition of stabbing.

Drawings

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

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

FIG. 3 is an enlarged view of a portion A of FIG. 1 according to the present invention.

In the figure: 1. a pen body; 2. an auxiliary cap returning block; 3. a spring slot; 4. a pressure spring; 5. a telescopic rod; 6. The needle tube is connected by screw thread; 7. a threaded needle cover; 8. a needle body; 9. a pulling body; 10. a pen cap; 11. an auxiliary cover returning groove; 12. a needle cap slot; 13. pulling the groove; 14. a telescoping spring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an insulin pen with a needle head spiral structure comprises a pen body 1 and a telescopic spring 14, wherein the front end and the rear end of the pen body 1 are both fixed with auxiliary cap returning blocks 2, and the upper and lower sides of the pen body 1 are both provided with spring grooves 3, the inside of the spring grooves 3 is provided with pressure springs 4, and one side end face of the pressure spring 4 is connected with a telescopic rod 5, the interior of the pen body 1 is provided with a needle tube 6 connected with screw threads, a thread needle cover 7 is arranged on one side of the thread connecting needle tube 6, a needle body 8 is connected on one side of the thread needle cover 7, a pulling body 9 is arranged at the front end of the thread connecting needle tube 6, a pen cover 10 is arranged on one side of the needle body 8, and the front end and the rear end of the inner wall of the pen cap 10 are both provided with auxiliary cap returning grooves 11, a needle cap groove 12 is arranged inside the pen cap 10, the outer surface of the pulling body 9 is connected with a pulling groove 13, and the extension spring 14 is positioned on one side end face of the threaded connection needle tube 6.

In the utility model: the spring grooves 3 are symmetrically distributed about the horizontal center line of the pen body 1, and two spring grooves 3 are arranged; the spring grooves 3 which are symmetrically arranged can be provided with the pressure springs 4 which are symmetrically arranged, so that the stress is more balanced, and the stability of connection between the pen cap 10 and the pen body 1 is improved.

In the utility model: the pressure spring 4 and the telescopic rod 5 are welded, and an elastic telescopic structure is formed between the pressure spring 4 and the telescopic rod 5; the telescopic rod 5 which can elastically stretch out and draw back can apply pressure to the pen cap 10, so that the connection effect between the pen cap 10 and the pen body 1 is improved.

In the utility model: the threaded connection needle tube 6 is fixedly connected with the pulling body 9, and the outline dimension of the needle cap groove 12 is matched with that of the needle body 8; the needle head cap can be put in the needle cap groove 12, so that the needle body 8 is in contact with the needle cap and sleeved, and the needle body 8 can be conveniently replaced by the cap.

In the utility model: the pen cap 10 forms a sliding structure with the pen body 1 through the auxiliary cap returning groove 11 and the auxiliary cap returning block 2, and the external dimensions of the auxiliary cap returning groove 11 and the auxiliary cap returning block 2 are matched with each other; the auxiliary cap returning groove 11 and the auxiliary cap returning block 2 are arranged to facilitate connection between the pen cap 10 and the pen body 1, so that cap returning is facilitated.

In the utility model: the head end of the needle body 8 is a loose-leaf structure, the threaded connection needle tube 6 forms a sliding structure with the pen body 1 through the pulling body 9 and the pulling groove 13, and the threaded connection needle tube 6 forms an elastic telescopic structure with the telescopic spring 14; set up the entering human body that pine leaf form needle body 8 can be better, reduce painful sense, the pulling body 9 of setting can produce the effort to threaded connection needle tubing 6 and let it stretch out and draw back under expanding spring 14's effect to let the syringe needle contract, conveniently overlap on the syringe needle, thereby avoid the condition of stabbing.

The insulin pen has the working principle that: firstly, a needle body 8 is installed, a rotating force is applied to a threaded needle cover 7, the threaded needle cover 7 is in threaded connection with a threaded connection needle tube 6, so that the threaded needle cover 7 moves under the action of the force, after the injection of a patient is finished, a needle cap enters a needle cap groove 12 in a pen cap 10, then, an acting force is applied to a pulling body 9, the threaded connection needle tube 6 is fixedly connected with the pulling body 9, the threaded connection needle tube 6 generates an acting force, the threaded connection needle tube 6 is welded with a telescopic spring 14, the telescopic spring 14 generates an acting force by welding, the telescopic spring 14 starts to deform and contract under the action of the acting force, so that the threaded connection needle tube 6 contracts and moves, the contracted threaded connection needle tube 6 drives the fixedly connected pulling body 9 to slide in a pulling groove 13 fixedly connected with the pen body 1, at the moment, 8 contracts into the pen body 1, and then, the acting force is applied to the pen body 1, the auxiliary cap returning block 2 is fixedly connected with the pen body 1, the auxiliary cap returning block 2 generates acting force, so that the auxiliary cap returning block 2 slides through an auxiliary cap returning groove 11 fixedly connected with a pen cap 10 under the action of the acting force, the telescopic rod 5 is stressed by pressure, the pressure spring 4 is welded with the telescopic rod 5, the pressure spring 4 generates pressure to start deformation and generate reverse elasticity, finally the pressure is transmitted to the pen body 1 through a spring groove 3 welded with the pressure spring 4, the pen body 1 is matched with the pen cap 10 at the moment, then the acting force on the pulling body 9 is released, the needle body 8 returns to the original position under the reverse elasticity of the telescopic spring 14, so that the needle body 8 enters a needle cap in the needle cap groove 12 to complete capping of the needle body 8, then the pen body 1 is separated from the pen cap 10, then a rotating force is applied to the capped needle body 8, and the needle body 8 is in threaded connection with a threaded needle cap 7, thereby the needle body 8 is separated under this force.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (6)

1. The utility model provides an insulin pen with syringe needle heliciform structure, includes handwriting (1) and expanding spring (14), its characterized in that: the pen is characterized in that auxiliary cap returning blocks (2) are fixed at the front end and the rear end of the pen body (1), spring grooves (3) are formed in the upper side and the lower side of the pen body (1), a pressure spring (4) is arranged in each spring groove (3), a telescopic rod (5) is connected to the end face of one side of each pressure spring (4), a threaded needle tube (6) is arranged in the pen body (1), a threaded needle cap (7) is arranged on one side of the threaded needle tube (6), a needle body (8) is connected to one side of the threaded needle cap (7), a pulling body (9) is arranged at the front end of the threaded needle tube (6), a pen cap (10) is arranged on one side of the needle body (8), auxiliary cap returning grooves (11) are formed in the front end and the rear end of the inner wall of the pen cap (10), a needle cap groove (12) is formed in the pen cap (10), and a pulling groove (13) is connected to the outer surface of the pulling body (9), the telescopic spring (14) is positioned on the end surface of one side of the threaded connection needle tube (6).

2. The insulin pen with the needle helical structure of claim 1, wherein: the spring grooves (3) are symmetrically distributed about the horizontal center line of the pen body (1), and the number of the spring grooves (3) is two.

3. The insulin pen with the needle helical structure of claim 1, wherein: the pressure spring (4) and the telescopic rod (5) are welded, and an elastic telescopic structure is formed between the pressure spring (4) and the telescopic rod (5).

4. The insulin pen with the needle helical structure of claim 1, wherein: the threaded connection needle tube (6) is fixedly connected with the pulling body (9), and the needle cap groove (12) is matched with the outline dimension of the needle body (8).

5. The insulin pen with the needle spiral structure as claimed in claim 1, wherein: the pen cap (10) and the pen body (1) form a sliding structure through the auxiliary cap returning groove (11) and the auxiliary cap returning block (2), and the appearance sizes of the auxiliary cap returning groove (11) and the auxiliary cap returning block (2) are matched with each other.

6. The insulin pen with the needle spiral structure as claimed in claim 1, wherein: the head end of the needle body (8) is of a loose-leaf structure, the threaded connection needle tube (6) forms a sliding structure with the pen body (1) through the pulling body (9) and the pulling groove (13), and an elastic telescopic structure is formed between the threaded connection needle tube (6) and the telescopic spring (14).

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