CN-224223784-U - Lifting device

CN224223784UCN 224223784 UCN224223784 UCN 224223784UCN-224223784-U

Abstract

The utility model provides a lifting device. The supporting cylinder is aligned with the dial, the supporting cylinder is driven to ascend to be abutted with the bottom of the dial through the guide piece, the dial is separated from the main body, the dial is driven to descend through the guide piece, the supporting cylinder is driven to ascend again through the guide piece after the torsion spring support and the main body are installed until the dial is abutted with the main body, and at the moment, the dial and the main body are assembled and locked, so that the assembly of the torsion spring support can be completed.

Inventors

XIONG CHANGYAN
ZHU KAI
WANG TIANBO
GAO JINPENG

Assignees

苏州嘉树生物医疗科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260414

Claims (10)

1. The lifting device is characterized by comprising a base, a supporting cylinder, a guide piece, a first elastic piece and a supporting shaft; The base is provided with an installation cavity, the upper end face of the base is provided with a through hole for inserting the lower end of the supporting cylinder into the installation cavity, a first channel and a second channel are transversely formed in the base, and the first channel and the second channel are oppositely arranged on two sides of the through hole and are communicated with the installation cavity; the upper end of the supporting cylinder is used for being matched with the dial; The first elastic piece is arranged in the mounting cavity and is positioned at the lower end of the supporting cylinder, and the supporting cylinder is close to the base and used for elastically deforming the first elastic piece; the guide member comprises a first sub-guide member, a second sub-guide member and a first connecting rod; the first sub-guide piece is arranged on the first channel in a sliding way; The second sub-guide piece is arranged in the second channel in a sliding way, and the first end of the second sub-guide piece is connected with the first end of the first sub-guide piece through the first connecting rod; The support shaft is transversely arranged at the lower end of the support cylinder, and two ends of the support shaft are respectively in sliding fit with the lower end face of the first sub-guide piece and the lower end face of the second sub-guide piece; The first connecting rod is far away from the base, so that the first sub-guide piece and the second sub-guide piece force the supporting shaft to drive the supporting cylinder to descend, and the first connecting rod is close to the base, so that the first sub-guide piece and the second sub-guide piece release the limitation on the supporting shaft.
2. The lifting device of claim 1, wherein the first sub-guide and the second sub-guide are identical; The thickness of the first sub-guide gradually increases in a direction away from the first connection rod.
3. The lifting device of claim 2, wherein the lower end surface of the first sub-guide is a slope of a predetermined angle.
4. The lifting device of claim 2, wherein the lower end surface of the first sub-guide is a cambered surface.
5. The lifting device of claim 1, wherein the guide member further comprises a second connecting rod, a second elastic member, and a third elastic member; the second end of the first sub-guide is connected with the second end of the second sub-guide through the second connecting rod; The second elastic piece and the third elastic piece are both arranged between the base and the second connecting rod, and the second connecting rod approaches to the base and is used for enabling the second elastic piece and the third elastic piece to elastically deform.
6. The lifting device of claim 5, wherein the first elastic member, the second elastic member, and the third elastic member are springs; The second elastic piece is sleeved at one end, close to the second connecting rod, of the first sub-guide piece; The third elastic piece is sleeved at one end, close to the second connecting rod, of the second sub-guide piece.
7. The lifting device of claim 1, further comprising a first bearing and a second bearing; the first bearing and the second bearing are rotatably arranged at two ends of the supporting shaft and respectively abut against the first sub-guide piece and the second sub-guide piece.
8. The lifting device of claim 1, further comprising a post; the upright post is vertically arranged in the mounting cavity; the lower end of the supporting cylinder is sleeved on the upright post; The stand column is provided with a movable groove for the supporting shaft to pass through.
9. The lifting device of claim 8, further comprising a plurality of guide posts; The lower end of the supporting cylinder is provided with an annular protruding piece; the guide post is vertically arranged in the mounting cavity; the annular protruding piece is provided with a plurality of guide holes matched with the guide posts.
10. The lifting device of claim 9, wherein a plurality of the guide posts are uniformly disposed along a circumferential direction of the upright.

Description

Lifting device Technical Field The utility model relates to the field of medical instrument assembly, in particular to a lifting device. Background The insulin injection pen sequentially comprises an upper injection assembly and a lower injection assembly from top to bottom, wherein the upper injection assembly comprises an upper cylinder body, a button assembly, a knob assembly, a dial and a power clutch mechanism, and the knob assembly consists of a knob, a bidirectional stop frame and a torsion spring bracket. At present, in the process of assembling a torsion spring support and a dial of an insulin injection pen, the dial is usually taken down from a main body to be assembled by manpower, then the torsion spring support is installed, and finally the dial and the main body are aligned and installed by manpower. But adopt the manpower to take off the calibrated scale and install the torsional spring support, then reassemble the calibrated scale, not only need take time to aim at the calibrated scale, still need spend certain manpower to lift, seriously influence assembly efficiency. Disclosure of utility model In view of the above, the embodiment of the utility model provides a lifting device to solve the problem of low assembly efficiency caused by manual assembly when the conventional torsion spring bracket and the dial are assembled. In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions: A lifting device comprises a base, a supporting cylinder, a guide piece, a first elastic piece and a supporting shaft; The base is provided with an installation cavity, the upper end surface of the base is provided with a through hole for inserting the lower end of the supporting cylinder into the installation cavity, the base is transversely provided with a first channel and a second channel, wherein the first channel and the second channel are oppositely arranged at two sides of the through hole and are communicated with the installation cavity; the upper end of the supporting cylinder is used for being matched with the dial; The first elastic piece is arranged in the mounting cavity and is positioned at the lower end of the supporting cylinder, and the supporting cylinder approaches the base to elastically deform the first elastic piece; The guide member comprises a first sub-guide member, a second sub-guide member and a first connecting rod; the first sub-guide piece is arranged in the first channel in a sliding way; The second sub-guide piece is arranged in the second channel in a sliding way, and the first end of the second sub-guide piece is connected with the first end of the first sub-guide piece through the first connecting rod; The support shaft is transversely arranged at the lower end of the support cylinder, and two ends of the support shaft are respectively in sliding fit with the lower end face of the first sub-guide piece and the lower end face of the second sub-guide piece; The first connecting rod is far away from the base so that the first sub-guide piece and the second sub-guide piece force the supporting shaft to drive the supporting cylinder to descend, and the first connecting rod is close to the base so that the first sub-guide piece and the second sub-guide piece release the limit on the supporting shaft. Preferably, the first sub-guide and the second sub-guide are identical; The thickness of the first sub-guide gradually increases in a direction away from the first connection rod. Preferably, the lower end surface of the first sub-guide is a slope of a preset angle. Preferably, the lower end surface of the first sub-guide is a cambered surface. Preferably, the guide member further comprises a second connecting rod, a second elastic member and a third elastic member; The second end of the first sub-guide is connected with the second end of the second sub-guide through a second connecting rod; the second elastic piece and the third elastic piece are arranged between the base and the second connecting rod, and the second connecting rod is close to the base and used for enabling the second elastic piece and the third elastic piece to generate elastic deformation. Preferably, the first elastic member, the second elastic member and the third elastic member are springs; the second elastic piece is sleeved at one end of the first sub-guide piece, which is close to the second connecting rod; The third elastic piece is sleeved at one end of the second sub-guide piece, which is close to the second connecting rod. Preferably, the device further comprises a first bearing and a second bearing; the first bearing and the second bearing are rotatably arranged at two ends of the supporting shaft and respectively abut against the first sub-guide piece and the second sub-guide piece. Preferably, the device also comprises a stand column; The upright post is vertically arranged in the mounting cavity; The lower end of the supporting cylinder is