CN216037768U

CN216037768U - But automatic re-setting's sticky tape shearing mechanism

Info

Publication number: CN216037768U
Application number: CN202122381187.2U
Authority: CN
Inventors: 邓利舟; 张圣东; 杨刚
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-15
Anticipated expiration: 2031-09-29

Abstract

The utility model provides an automatic resetting adhesive tape shearing device which comprises a shell, wherein a containing cavity for placing an adhesive tape roll is arranged in the shell, a central shaft is arranged in the containing cavity, the adhesive tape roll is clamped on the central shaft, the central shaft is rotatably arranged in the shell, a limiting shell is arranged in the containing cavity, a spiral elastic sheet is arranged between the central shaft and the limiting shell, the spiral elastic sheet is wound on the outer side of the central shaft and connected with the central shaft, the free end of the spiral elastic sheet is connected with the limiting shell, an opening is formed in the front plate of the shell, an adhesive tape opening communicated with the containing cavity is formed in the side wall of the shell, a cutting bulge is arranged at the adhesive tape opening, and tearing teeth are arranged on the cutting bulge. The device can cut off the insulating tape without other tools, and after the insulating tape is cut off, the tape roll is automatically reset.

Description

But automatic re-setting's sticky tape shearing mechanism

Technical Field

The utility model relates to the field of electrical construction tools, in particular to an automatic resetting adhesive tape shearing device.

Background

At present, the electric insulation adhesive tape with the voltage grade of less than 600V is mostly wound into a roll of 9-10 meters, the electric insulation adhesive tape is very commonly used in the wiring process of an electric panel cabinet, and a wiring worker cuts off the electric insulation adhesive tape by adopting oblique pliers and scissors or cuts off the electric insulation adhesive tape by using a double hand, so that the method has two defects: firstly, when the electric panel cabinet is actually wired, a large amount of insulating tapes with uniform length are needed to insulate and wrap cable ends, and at the moment, wiring personnel need to repeatedly use tools to perform measurement in advance and then perform cutting, so that the working efficiency is low; secondly, it is wasted time and energy to tear insulating tape with both hands, and the insulating properties that insulating tape tip after tearing also can cause the sticky tape reduces because of tearing the deformation.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an adhesive tape shearing device capable of automatically resetting, which can cut off an insulating adhesive tape without other tools and automatically reset an adhesive tape roll after cutting off.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a but automatic re-setting's sticky tape shearing mechanism, which comprises an outer shell, be equipped with the chamber that holds that is used for placing the sticky tape book in the shell, it is equipped with the center pin to hold the intracavity, the sticky tape book clamps on the center pin, the center pin rotates the installation in the shell, it is equipped with spacing shell to hold the intracavity, be equipped with the spiral shell fragment between center pin and the spacing shell, the spiral shell fragment is around establishing in the center pin outside and with the hub connection, the free end and the spacing shell of spiral shell fragment are connected, the shell front bezel is equipped with the opening, the shell lateral wall is equipped with and holds the sticky tape mouth of chamber intercommunication, the sticky tape mouth is equipped with cuts off the arch, cut off and be equipped with the tooth of tearing in the arch.

In the preferred scheme, the outer side of the central shaft is provided with a clamping groove, the end part of the spiral elastic sheet is provided with a clamping bulge clamped in the clamping groove, the free end of the spiral elastic sheet is provided with a limiting bulge, and the inner side of the limiting shell is provided with a limiting groove matched with the limiting bulge.

In a preferable scheme, an elastic sleeve is arranged outside the central shaft.

In a preferable scheme, a supporting sheet is arranged at the lower end of the elastic sleeve.

According to the automatic resetting adhesive tape shearing device provided by the utility model, the insulating adhesive tape roll is sleeved on the central shaft, when the adhesive tape needs to be cut, the free end of the adhesive tape is pulled, the adhesive tape roll and the central shaft rotate simultaneously, the insulating adhesive tape is pulled out to the outer side of the tearing tooth along the tangential direction of the central column, and finally, the tail end of the adhesive tape is moved to the tearing tooth, so that the adhesive tape is cut off, other tools are not needed, and the end part of the adhesive tape can be prevented from being torn and deformed. After cutting, the rubber belt roll is reset under the action of the spiral elastic sheet, and the cutting length of the rubber belt roll is controlled through the spiral elastic sheet.

Drawings

The utility model is further illustrated with reference to the accompanying drawings and examples:

FIG. 1 is a schematic representation of the use of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic diagram showing the relative positions of the central shaft and the spiral spring;

in the figure: the shell 1, hold chamber 2, center pin 3, cut off arch 4, tear tooth 5, spiral shell fragment 6, spacing shell 7, elastic sleeve 8, backing sheet 9, opening 101, sticky tape mouth 102, clamp groove 301, clamp arch 601, spacing arch 602, spacing groove 701.

Detailed Description

As shown in fig. 1-2, a but automatic re-setting's sticky tape shearing mechanism, including shell 1, be equipped with the chamber 2 that holds that is used for placing the sticky tape book in the shell 1, the diameter that holds chamber 2 is greater than the diameter of sticky tape book, hold the intracavity 2 and be equipped with center pin 3, the sticky tape book clamps on center pin 3, center pin 3 passes through the bearing and rotates and installs in shell 1, hold intracavity 2 and be equipped with spacing shell 7, spacing shell 7 is connected with shell 1, spacing shell 7 sets up with center pin 3 with one heart, be equipped with spiral shell fragment 6 between center pin 3 and the spacing shell 7, spiral shell fragment 6 is around establishing in the center pin 3 outside and being connected with center pin 3, the free end and the spacing shell 7 of spiral shell fragment 6 are connected, shell 1 front bezel is equipped with opening 101, shell 1 lateral wall is equipped with and holds the sticky tape mouth 102 of chamber 2 intercommunication, sticky tape mouth 102 is equipped with cuts off arch 4, it is equipped with tearing tooth 5 to cut off on the arch 4.

When the tape cutting device is used, the insulating tape roll is sleeved on the central shaft 3, the free end of the tape roll penetrates out of the tape opening 102, when the tape needs to be cut, the free end of the tape is pulled, the tape roll and the central shaft 3 rotate simultaneously, the insulating tape is pulled out to the outer side of the tearing tooth 5 along the tangential direction of the central column, and finally the tail end of the tape moves towards the tearing tooth 5, so that the tape is cut off. The convenient insulating tape cuts off, need not be with the help of other instruments, can prevent simultaneously that the sticky tape tip from tearing the deformation.

Center pin 3 rotates, drives spiral shell fragment 6 and twines on 3 to the center pin, because the free end of spiral shell fragment 6 is connected with spacing shell 7, stretches spiral shell fragment 6, can not continue the deformation back when spiral shell fragment 6, center pin 3 can not continue to rotate, cuts off the back when the sticky tape, loosens the free end of sticky tape, and spiral shell fragment 6 kick-backs, and the sticky tape book resets, and the sticky tape free end twines the sticky tape book again, prepares for cutting next time. The rotating angle or the number of turns of the adhesive tape roll is controlled by controlling the deformation of the spiral elastic sheet 6, so that the length of the cut adhesive tape is controlled.

Preferably, as shown in fig. 2 to 3, a clamping groove 301 is provided on the outer side of the central shaft 3, a clamping protrusion 601 clamped in the clamping groove 301 is provided at the end of the spiral spring piece 6, a limiting protrusion 602 is provided at the free end of the spiral spring piece 6, and a limiting groove 701 matched with the limiting protrusion 602 is provided on the inner side of the limiting shell 7.

Through will clamping protruding 601 and spacing protruding 602 from the top down cartridge clamping groove 301 and spacing groove 701, realize the installation and the fixed of spiral shell fragment 6, make things convenient for the installation and the change of spiral shell fragment 6, realize its elastic deformation's adjustment through the length of adjusting spiral shell fragment 6, can carry out the change of spiral shell fragment 6 to different sticky tape lengths.

Preferably, the clamping protrusion 601 and the limiting protrusion 602 are cylindrical protrusions, the clamping groove 301 and the clamping groove 301 are cylindrical grooves with notches, and the notches of the clamping groove 301 and the clamping groove 301 are respectively smaller than the diameters of the clamping protrusion 601 and the limiting protrusion 602, so that the clamping protrusion 601 is prevented from being separated from the clamping groove 301 and the limiting protrusion 602 is prevented from being separated from the limiting groove 701.

Preferably, an elastic sleeve 8 is arranged outside the central shaft 3. The elastic sleeve 8 can be a rubber sleeve or a silica gel sleeve, and the elastic sleeve 8 is arranged to deform in an extrusion manner, so that the friction force between the adhesive tape roll and the central shaft 3 is improved.

Preferably, the lower end of the elastic sleeve 8 is provided with a supporting sheet 9. Keep apart spiral shell fragment 6 and adhesive tape roll through setting up backing sheet 9, prevent that the adhesive tape roll cartridge from forming the extrusion to spiral shell fragment 6 when on center pin 3, to the resistance that causes the deformation of spiral shell fragment 6.

This sticky tape shearing mechanism can cut off insulating tape without the help of other instruments, cuts off the back, resets under the effect of spiral shell fragment 6, cuts the length of cutting of sticky tape book through spiral shell fragment 6 control.

Claims

1. The utility model provides a but automatic re-setting's sticky tape shearing mechanism which characterized in that: including shell (1), be equipped with chamber (2) that holds that is used for placing the sticky tape book in shell (1), be equipped with center pin (3) in holding chamber (2), the sticky tape book clamps on center pin (3), center pin (3) are rotated and are installed in shell (1), it is equipped with spacing shell (7) in chamber (2) to hold, be equipped with spiral shell fragment (6) between center pin (3) and spacing shell (7), spiral shell fragment (6) are around establishing in center pin (3) outside and being connected with center pin (3), the free end and the spacing shell (7) of spiral shell fragment (6) are connected, shell (1) front bezel is equipped with opening mouth (101), shell (1) lateral wall is equipped with and holds sticky tape mouth (102) of chamber (2) intercommunication, sticky tape mouth (102) are equipped with cuts off arch (4), it tears tooth (5) to cut off to be equipped with on arch (4).

2. An automatically repositionable tape cutter as defined in claim 1 wherein: the outer side of the central shaft (3) is provided with a clamping groove (301), the end part of the spiral elastic sheet (6) is provided with a clamping protrusion (601) clamped in the clamping groove (301), the free end of the spiral elastic sheet (6) is provided with a limiting protrusion (602), and the inner side of the limiting shell (7) is provided with a limiting groove (701) matched with the limiting protrusion (602).

3. An automatically repositionable tape cutter as defined in claim 1 wherein: an elastic sleeve (8) is arranged on the outer side of the central shaft (3).

4. An automatically repositionable tape cutter as defined in claim 3 wherein: the lower end of the elastic sleeve (8) is provided with a supporting sheet (9).