CN217040958U

CN217040958U - Insulin pen

Info

Publication number: CN217040958U
Application number: CN202123260517.9U
Authority: CN
Inventors: 马琳怡
Original assignee: Haiyan Rehabilitation Nursing Home
Current assignee: Haiyan Rehabilitation Nursing Home
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-07-26
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses an insulin pen, including a body and refill frame, the lower tip of a body is equipped with connecting portion, the refill frame passes through connecting portion and can dismantle with the refill frame and be connected, installs the refill in the refill frame, the bottom of refill frame is equipped with PMKD, PMKD's bottom is equipped with the installation sleeve, the telescopic outside lock joint of installation has the syringe needle, and the top of syringe needle is equipped with presses down the edge, still be equipped with in the refill frame and unload needle mechanism. The utility model discloses a change syringe needle and installation sleeve into the lock joint installation, it is more convenient during the installation to add and unload needle mechanism, just can lift the syringe needle off according to the mode of board through pressing down to unload the needle, stab the hand when preventing to unload the needle, it is safer.

Description

Insulin pen

[ technical field ] A

The utility model relates to the technical field of medical equipment, especially the technical field of insulin pen.

[ background of the invention ]

The insulin pen avoids the tedious process that the patient uses an injector to extract insulin from an insulin medicine bottle, can avoid the embarrassment that the patient injects the insulin in public places, and brings convenience for the patient with poor eyesight and even blindness to inject the insulin.

The existing insulin pen needle is generally installed in a threaded mode, installation and disassembly are troublesome, the needle needs to be screwed off by hands when the needle is disassembled, and the hands are easily injured when the needle is disassembled.

[ Utility model ] A method for manufacturing a semiconductor device

The utility model aims at solving the problem in the prior art, providing an insulin pen, having added and having unloaded the needle mechanism, just can lift the syringe needle off according to the mode of board through pressing to unload the needle, prevent to prick the hand.

In order to achieve the purpose, the utility model provides an insulin pen, which comprises a pen body and a pen core frame, wherein the lower end part of the pen body is provided with a connecting part, the pen core frame is detachably connected with the pen core frame through the connecting part, a pen core is installed in the pen core frame, the bottom part of the pen core frame is provided with a fixed bottom plate, the bottom part of the fixed bottom plate is provided with an installation sleeve, the outer side of the installation sleeve is buckled with a needle head, the top part of the needle head is provided with a pressing edge, the pen core frame is also internally provided with a needle detaching mechanism, the needle detaching mechanism comprises a snap ring, a pressure rod and a spring, the snap ring is sleeved on the outer side of the pen core, the bottom part of the snap ring is provided with a plurality of limit grooves, the fixed bottom plate is provided with a through groove matched with the bottom surface of the snap ring, the pressure rod comprises a first vertical plate, a transverse plate and a second vertical plate which are sequentially connected, the first vertical plate is connected with the snap ring, the top part of the second vertical plate is connected with a needle detaching pressing plate, the pen core rack is characterized in that a movable groove is formed in the side wall of the pen core rack, the needle unloading pressing plate is arranged in the movable groove, a fixing plate is arranged on the inner side wall of the pen core rack, a spring is mounted on the fixing plate, and the top of the spring is abutted to the bottom of the transverse plate.

Preferably, the top of the pen body is provided with an injection push key, the side face of the pen body is provided with a dosage window, the interior of the pen body is provided with a telescopic piston rod, and the bottom of the piston rod is provided with a piston head.

Preferably, the connection part is screwed with the pen refill holder.

Preferably, the pen cap is further provided with a notch matched with the needle-removing pressing plate.

Preferably, the outer side wall of the mounting sleeve is provided with a convex ring, and the inner side of the needle head is provided with an annular groove matched with the convex ring.

The utility model has the advantages that: the utility model discloses a change syringe needle and installation sleeve into the lock joint installation, it is more convenient during the installation to add and unload needle mechanism, just can lift the syringe needle off according to the mode of board through pressing down to unload the needle, stab the hand when preventing to unload the needle, it is safer.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic diagram of the internal structure of an insulin pen of the present invention;

FIG. 2 is a schematic view of the internal structure of an insulin pen according to the present invention when the needle is removed;

fig. 3 is an exploded view of an insulin pen according to the present invention;

fig. 4 is a schematic view of a structure of a compression bar of the insulin pen of the present invention;

fig. 5 is a schematic structural view of a fixing bottom plate of the insulin pen of the present invention;

fig. 6 is a schematic view of a pen cap structure of the insulin pen of the present invention.

In the figure: 1-pen body, 2-pen core frame, 3-pen core, 4-needle head, 5-snap ring, 6-pressure rod, 7-spring, 8-pen cap, 11-connecting part, 12-injection push key, 13-dosage window, 14-piston rod, 21-fixed bottom plate, 22-mounting sleeve, 23-through groove, 24-movable groove, 25-fixing plate, 41-pressing edge, 51-limiting groove, 61-first vertical plate, 62-transverse plate, 63-second vertical plate, 64-needle-removing pressing plate and 81-groove.

[ detailed description ] A

Referring to fig. 1 to 6, the utility model relates to an insulin pen, including a body 1 and a refill frame 2, the lower tip of the body 1 is equipped with connecting portion 11, refill frame 2 can be dismantled with refill frame 2 through connecting portion 11 and be connected, installs refill 3 in the refill frame 2, the bottom of refill frame 2 is equipped with PMKD 21, PMKD 21's bottom is equipped with installation sleeve 22, the outside of installation sleeve 22 has been detained and has been had syringe needle 4, and the top of syringe needle 4 is equipped with presses down along 41, still be equipped with the needle mechanism of unloading in the refill frame 2, the needle mechanism of unloading includes snap ring 5, depression bar 6 and spring 7, the outside of refill 3 is established to snap ring 5 cover, a plurality of spacing grooves 51 have been seted up to snap ring 5 bottom, be equipped with on the PMKD 21 with the bottom surface assorted logical groove 23 with snap ring 5, depression bar 6 is including first riser 61, the first riser that connects gradually, A transverse plate 62 and a second vertical plate 63, wherein the first vertical plate 61 is connected with the snap ring 5, the top of the second vertical plate 63 is connected with a needle-removing press plate 64, the side wall of the refill holder 2 is provided with a movable groove 24, the needle-unloading pressing plate 64 is arranged in the movable groove 24, the inner side wall of the refill holder 2 is provided with a fixed plate 25, the fixed plate 25 is provided with a spring 7, the top of the spring 7 is abutted with the bottom of the transverse plate 62, the top of the pen body 1 is provided with an injection push button 12, the side surface of the pen body 1 is provided with a dosage window 13, the inside of the pen body 1 is provided with a telescopic piston rod 14, the bottom of the piston rod 14 is provided with a piston head, the connecting part 11 is connected with the refill frame 2 through screw threads, the pen cap 8 is also included, a slot 81 matched with the needle-removing pressing plate 64 is arranged on the pen cap 8, the outer side wall of the mounting sleeve 22 is provided with a convex ring, and the inner side of the needle 4 is provided with an annular groove matched with the convex ring.

The utility model discloses the working process:

the utility model relates to an insulin pen is in the course of the work, when accomplishing the injection and unloading the needle, unloads the needle downwards and presses board 64, and depression bar 6 drives snap ring 5 downstream, and snap ring 5 stretches out from leading to groove 23, extrudees 41 along pressing down of syringe needle 4, makes syringe needle 4 and installation sleeve 22 separate, accomplishes and unloads the needle process.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any is right the utility model discloses scheme after simply changing all belongs to the protection scope of the utility model.

Claims

1. An insulin pen, its characterized in that: including body of a pen (1) and refill frame (2), the lower tip of body of a pen (1) is equipped with connecting portion (11), refill frame (2) can be dismantled with refill frame (2) through connecting portion (11) and be connected, installs refill (3) in refill frame (2), the bottom of refill frame (2) is equipped with PMKD (21), the bottom of PMKD (21) is equipped with installation sleeve (22), the outside lock joint of installation sleeve (22) has syringe needle (4), and the top of syringe needle (4) is equipped with presses down along (41), still be equipped with in refill frame (2) and unload the needle mechanism.

2. The insulin pen of claim 1, wherein: the needle unloading mechanism comprises a clamping ring (5), a pressure lever (6) and a spring (7), the snap ring (5) is sleeved outside the pen core (3), a plurality of limiting grooves (51) are arranged at the bottom of the snap ring (5), a through groove (23) matched with the bottom surface of the clamping ring (5) is arranged on the fixed bottom plate (21), the compression bar (6) comprises a first vertical plate (61), a transverse plate (62) and a second vertical plate (63) which are connected in sequence, the first vertical plate (61) is connected with the clamping ring (5), the top of the second vertical plate (63) is connected with a needle dismounting pressing plate (64), a movable groove (24) is arranged on the side wall of the refill holder (2), the needle-removing pressing plate (64) is arranged in the movable groove (24), a fixing plate (25) is arranged on the inner side wall of the refill holder (2), and a spring (7) is arranged on the fixed plate (25), and the top of the spring (7) is abutted against the bottom of the transverse plate (62).

3. The insulin pen of claim 2, wherein: the injection pen is characterized in that an injection push key (12) is arranged at the top of the pen body (1), a dosage window (13) is arranged on the side face of the pen body (1), a telescopic piston rod (14) is arranged inside the pen body (1), and a piston head is arranged at the bottom of the piston rod (14).

4. The insulin pen of claim 2, wherein: the connecting part (11) is in threaded connection with the refill frame (2).

5. The insulin pen of claim 2, wherein: still include pen cover (8), be equipped with on pen cover (8) with unload needle and press board (64) assorted fluting (81).

6. The insulin pen of claim 2, wherein: the outer side wall of the mounting sleeve (22) is provided with a convex ring, and the inner side of the needle head (4) is provided with an annular groove matched with the convex ring.