CN216681941U

CN216681941U - Flexible expansion sleeve

Info

Publication number: CN216681941U
Application number: CN202220045554.3U
Authority: CN
Inventors: 李林; 雷军
Original assignee: Shaanxi Zhike New Energy Co ltd
Current assignee: Shaanxi Zhike New Energy Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-07
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a flexible tension sleeve, which comprises a screw, a connecting column, jacks, L-shaped connecting rods and a clamping device, wherein the connecting column is vertically fixed in the middle of the upper end of the screw, the jacks are formed in the middle of the lower end of the screw, the L-shaped connecting rods are respectively fixed at the left end and the right end of the lower part of the screw, the lower ends of the two L-shaped connecting rods are respectively fixed at the left side and the right side of the upper end of the clamping device, and the upper part of the clamping device is in threaded connection with the screw. The clamping device is simple in structure, the two clamping plates clamp the bolt by rotating the adjusting ring, the sleeve does not need to be replaced and selected compared with the traditional mode of replacing different sleeves, time is saved, the bolt is more quickly disassembled and assembled, the bolt is sleeved by the flexible sleeve, and the surface of the bolt cannot be abraded when the clamping block is clamped.

Description

Flexible expansion sleeve

Technical Field

The utility model relates to a sleeve, in particular to a flexible tension sleeve.

Background

The sleeve is the instrument of a dismantlement bolt commonly used, cup joints the installation and the dismantlement that drive the bolt through rotating in the bolt outer end, and different sleeves need be selected according to the size of bolt to common bolt sleeve when using, can influence the efficiency that the bolt was installed or was dismantled when selecting the sleeve, and when rotating the sleeve, the sleeve inner can be causing wearing and tearing to the bolt outer end to influence the outward appearance of bolt.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a flexible expansion sleeve to solve the above-mentioned problems.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a flexible tension sleeve, includes screw rod, spliced pole, jack, L type connecting rod, clamping device, the vertical spliced pole that is fixed with in screw rod upper end middle part, and open at screw rod lower extreme middle part has the jack, both ends respectively are fixed with L type connecting rod, two about the screw rod lower part L type connecting rod lower extreme is fixed respectively in the clamping device upper end left and right sides, clamping device upper portion and screw rod threaded connection.

On the basis of the technical scheme, clamping device includes fixed plate, slide bar, preceding slide, splint, back slide, articulated seat, connecting rod, adjustable ring, go-between, and the left and right sides respectively is fixed with the slide bar between two fixed plates, preceding slide left and right sides respectively with two slide bar front sides sliding connection, and preceding slide rear end middle parts are fixed with splint, the back slide left and right sides respectively with two slide bar back sides sliding connection, and back slide front end middle part is fixed with splint, preceding slide and back slide upper end middle part respectively are fixed with articulated seat, two articulated seat middle part respectively articulates there is the connecting rod, adjustable ring middle part and screw rod threaded connection, and the adjustable ring lower extreme articulates there is the go-between, two the connecting rod upside articulates both sides around the go-between lower part respectively.

On the basis of the technical scheme, the middle part of the upper end of the flexible sleeve is fixedly provided with the inserting column, the inserting column is vertically inserted into the inner side of the inserting hole, and the lower sides of the left end and the right end of the flexible sleeve are provided with penetrating grooves.

Compared with the prior art, the utility model has the following advantages: the bolt clamping device is simple in structure, the two clamping plates clamp the bolt by rotating the adjusting ring, and compared with the traditional mode of replacing different sleeves, the bolt clamping device does not need to replace and select the sleeves, so that time is saved, the bolt is more quickly disassembled and assembled, the bolt is sleeved by the flexible sleeves, and the surface of the bolt cannot be abraded when the clamping blocks clamp.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention.

FIG. 2 is a schematic cross-sectional view of the screw of the present invention.

Fig. 3 is a schematic view of the external structure of the clamping device of the present invention.

Fig. 4 is a schematic structural diagram of the appearance of the flexible sleeve according to the present invention.

In the figure: 1. the device comprises a screw, 2, a connecting column, 3, a jack, 4, an L-shaped connecting rod, 5, a clamping device, 6, a fixing plate, 7, a sliding rod, 8, a front sliding seat, 9, a clamping plate, 10, a rear sliding seat, 11, a hinged seat, 12, a connecting rod, 13, an adjusting ring, 14, a connecting ring, 15, a flexible sleeve, 16, a plug, 17 and a through hole.

Detailed Description

The utility model is explained in further detail below with reference to the figures and the specific embodiments.

As shown in fig. 1-4, a flexible tension sleeve comprises a screw 1, a connecting column 2, a jack 3, L-shaped connecting rods 4 and a clamping device 5, wherein the connecting column 2 is vertically fixed in the middle of the upper end of the screw 1, the jack 3 is arranged in the middle of the lower end of the screw 1, the L-shaped connecting rods 4 are respectively fixed at the left end and the right end of the lower portion of the screw 1, the lower ends of the L-shaped connecting rods 4 are respectively fixed at the left side and the right side of the upper end of the clamping device 5, the upper portion of the clamping device 5 is in threaded connection with the screw 1, and the middle portion of an adjusting ring 13 is in threaded connection with the screw 1.

The clamping device 5 comprises fixing plates 6, slide bars 7, a front slide seat 8, a clamping plate 9, a rear slide seat 10, a hinged seat 11, a connecting rod 12, an adjusting ring 13 and a connecting ring 14, the slide bars 7 are respectively fixed on the left side and the right side between the two fixing plates 6, the left side and the right side of the front slide seat 8 are respectively connected with the front sides of the two slide bars 7 in a sliding way, a splint 9 is fixed in the middle of the rear end of the front slide 8, the left side and the right side of the rear slide 10 are respectively connected with the rear sides of the two slide bars 7 in a sliding way, a clamping plate 9 is fixed in the middle of the front end of the rear sliding seat 10, hinged seats 11 are respectively fixed in the middle of the upper ends of the front sliding seat 8 and the rear sliding seat 10, connecting rods 12 are respectively hinged in the middle of the two hinged seats 11, the middle of the adjusting ring 13 is in threaded connection with the screw rod 1, the lower end of the adjusting ring 13 is hinged with a connecting ring 14, the upper sides of the two connecting rods 12 are respectively hinged at the front side and the rear side of the lower part of the connecting ring 14, the connecting ring 14 can slide the front slide 8 and the rear slide 10 along the two slide bars 7 by means of the two connecting rods 12.

The middle part of the upper end of the flexible sleeve 15 is fixed with an inserting column 16, the inserting column 16 is vertically inserted into the inner side of the inserting hole 3, the lower sides of the left end and the right end of the flexible sleeve 15 are provided with penetrating grooves 17, and the flexible sleeve 15 and the inserting column 16 are made of the same material.

The working principle of the utility model is as follows: the flexible sleeve 15 is sleeved at the outer end of a bolt, the connecting column 2 is connected with a drilling machine, the connecting ring 14 is driven to move upwards by rotating the adjusting ring 13, the connecting ring 14 slides backwards by the two connecting rods 12 before being pulled, the rear sliding seat 10 slides forwards while being pulled, the two clamping blocks 9 push the flexible sleeve 15 to clamp the bolt tightly, the whole sleeve driven by the drilling machine rotates to detach the bolt, the flexible sleeve 15 avoids abrasion caused by pushing the bolt when detaching, and the flexible sleeve 15 can be vertically drawn out and replaced after being used for a period of time.

The foregoing is a preferred embodiment of the present invention, and it will be appreciated by those skilled in the art that changes, modifications, substitutions and variations may be made in the embodiments without departing from the principles and spirit of the utility model, which is further defined in the appended claims.

Claims

1. The utility model provides a flexible tension sleeve, includes screw rod (1), spliced pole (2), jack (3), L type connecting rod (4), clamping device (5), its characterized in that: the screw rod (1) upper end middle part is vertical to be fixed with spliced pole (2), and screw rod (1) lower extreme middle part is opened there is jack (3), both ends are respectively fixed with L type connecting rod (4), two about screw rod (1) lower part L type connecting rod (4) lower extreme is fixed respectively in clamping device (5) upper end left and right sides, clamping device (5) upper portion and screw rod (1) threaded connection.

2. A flexible expansion sleeve according to claim 1, wherein: clamping device (5) includes fixed plate (6), slide bar (7), preceding slide (8), splint (9), back slide (10), articulated seat (11), connecting rod (12), adjustable ring (13), go-between (14), the left and right sides respectively is fixed with slide bar (7) between two fixed plates (6), preceding slide (8) the left and right sides respectively with two slide bar (7) front sides sliding connection, and preceding slide (8) rear end middle part is fixed with splint (9), the back slide (10) the left and right sides respectively with two slide bar (7) rear sides sliding connection, and back slide (10) front end middle part is fixed with splint (9), preceding slide (8) and back slide (10) upper end middle part respectively is fixed with articulated seat (11), two articulated seat (11) middle part respectively articulates has connecting rod (12), adjustable ring (13) middle part and screw rod (1) threaded connection, and the lower end of the adjusting ring (13) is hinged with a connecting ring (14), and the upper sides of the two connecting rods (12) are respectively hinged to the front side and the rear side of the lower part of the connecting ring (14).

3. A flexible expansion sleeve according to claim 1, wherein: still include flexible sleeve (15), flexible sleeve (15) upper end middle part is fixed with inserts post (16), and inserts that post (16) is vertical pegs graft at jack (3) inboard, both ends downside is opened and is had wear groove (17) about flexible sleeve (15).