CN218235677U

CN218235677U - Cylinder with self-locking function

Info

Publication number: CN218235677U
Application number: CN202221927929.5U
Authority: CN
Inventors: 陈建国
Original assignee: Ningbo Hanhai Machinery Manufacturing Co ltd
Current assignee: Ningbo Hanhai Machinery Manufacturing Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-01-06
Anticipated expiration: 2032-07-26

Abstract

The utility model relates to an air cylinder with self-locking function, including U type support, rotatable cylinder body of connection in U type support, and locate on U type support and the motion that links to each other with the cylinder body flexible end, the motion includes backup pad, V template, swing piece and U type self-locking plate, the backup pad is fixed at the bottom inboard of U type support and is located the rear side of cylinder body, the last side of backup pad upwards is formed with two fixed side plates that bilateral symmetry set up, the V template includes two, two V templates are respectively symmetrical to be located the outside of two fixed side plates; the utility model discloses possess self-locking function, even receive external force interference and also can thoroughly avoid the execution end to take place the aversion phenomenon, and then enable the execution end and remain throughout at extreme position and guarantee that the work piece does not take place not hard up all the time to show the security performance that has promoted.

Description

Cylinder with self-locking function

Technical Field

The utility model relates to a cylinder with self-locking function.

Background

The fixture is a device for fixing workpieces quickly, conveniently and safely in the process, the air cylinder is used as a mature execution element and is increasingly applied to various fixtures, and the air cylinder can be divided into two types of reciprocating linear motion and reciprocating swing according to the motion direction; the existing actuating end of the cylinder which does reciprocating swing motion moves to a limit position and fixes a workpiece, and once external force interference is received, the workpiece can shift due to lack of a self-locking function, so that the workpiece can not be ensured to be kept still all the time, and the safety performance is low, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that an actuating end that enables to be located extreme position department remains motionless throughout when receiving external force interference with the cylinder that has self-locking function who has promoted the security performance is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: an air cylinder with a self-locking function comprises a U-shaped support, an air cylinder body rotatably connected in the U-shaped support and a movement mechanism arranged on the U-shaped support and connected with a telescopic end of the air cylinder body, and is characterized in that the movement mechanism comprises a supporting plate, two V-shaped plates, a swinging block and two U-shaped self-locking plates, wherein the supporting plate is fixed on the inner side of the bottom of the U-shaped support and positioned at the rear side of the air cylinder body; and a cushion block is formed outwards on the upper side of the U-shaped self-locking plate and is matched with the front side of the end part of the swinging block.

Preferably, two movable side plates which are arranged in bilateral symmetry are further formed outwards at the end part of the swinging block, and detachable pressing blocks are further fixed on the front sides of the two movable side plates.

Preferably, the upper end of the pressing block is backwards provided with a bending section, and the end part of the bending section is further fixed with an anti-slip block.

Preferably, a bolt is further arranged between the two movable side plates, a threaded end of the bolt penetrates forwards between the two movable side plates and is inserted into the pressing block in a screwed mode, a pressing ring is further sleeved on the bolt, and the pressing ring is pressed on the side faces of the rear sides of the two movable side plates to fix the pressing block.

Preferably, a reinforcing plate is further fixed to the inner side of the bottom of the U-shaped support, and the support plate is fixed to the reinforcing plate.

Compared with the prior art, the utility model has the advantages of: the utility model discloses possess self-locking function, even receive external force interference and also can thoroughly avoid the execution end to take place the aversion phenomenon, and then enable the execution end and remain throughout at extreme position and guarantee throughout that the work piece does not take place not hard up to show and promoted the security performance.

Drawings

FIG. 1 is a left front side structural view of the present invention;

fig. 2 is a right rear side structural view of the present invention.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and the like in the description of the invention does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

As shown in fig. 1-2, an air cylinder with self-locking function comprises a U-shaped support 2, an air cylinder body 1 rotatably connected in the U-shaped support 2, and a moving mechanism 3 arranged on the U-shaped support 2 and connected with the telescopic end of the air cylinder body 1, wherein the moving mechanism 3 comprises a support plate 32, V-shaped plates 33, swing blocks 34 and U-shaped self-locking plates 35, the support plate 32 is fixed at the inner side of the bottom of the U-shaped support 2 and is positioned at the rear side of the air cylinder body 1, two fixed side plates 321 symmetrically arranged at left and right sides are formed on the upper side of the support plate 32, the V-shaped plates 33 comprise two V-shaped plates 33, the two V-shaped plates 33 are respectively and symmetrically arranged at the outer parts of the two fixed side plates 321, the bottoms of the two V-shaped plates 33 are respectively and rotatably connected to the outer walls of the two fixed side plates 321, the lower ends of the two V-shaped plates 33 are respectively and rotatably connected to the telescopic end of the air cylinder body 1, the swing blocks 34 are rotatably connected between the two fixed side plates 321 and are positioned above the two V-shaped plates 33, the swing plates 35 are respectively and are connected to the upper ends of the two rotatable swing plates 34, the upper ends of the two swing plates 34, and the two swing plates 35 are respectively connected to the upper ends of the two rotatable connecting plates 33; the upper side of the U-shaped self-locking plate 35 is formed outward with a spacer 352, and the spacer 352 is fitted to the front side of the end portion of the swing block 34.

Two movable side plates 341 arranged in bilateral symmetry are further formed outwards at the end part of the swinging block 34, and a detachable pressing block 4 is further fixed on the front sides of the two movable side plates 341.

The upper end of the pressing block 4 is backwards formed with a bending section 41, and the end of the bending section 41 is also fixed with an anti-skid block 7.

A bolt 5 is further arranged between the two movable side plates 341, a threaded end of the bolt 5 forwards penetrates through the space between the two movable side plates 341 and is inserted into the pressing block 4 in a screwed manner, a pressing ring 6 is further sleeved on the bolt 5, and the pressing ring 6 is pressed on the side face of the rear side of the two movable side plates 341 to fix the pressing block 4.

A reinforcing plate 31 is further fixed on the inner side of the bottom of the U-shaped support 2, and a support plate 32 is fixed on the reinforcing plate 31.

The working principle is as follows: the bottom of the U-shaped support 2 is fixed to be kept still, the telescopic end of the driving cylinder body 1 extends outwards to drive the two V-shaped plates 33 to rotate upwards, and then the lower ends of the two connecting plates 351 on the U-shaped self-locking plate 35 are driven to move backwards, so that the upper ends of the two connecting plates 351 on the U-shaped self-locking plate 35 are used for driving the end part of the swinging block 34 to swing backwards, and the anti-skidding block 7 is pressed on a workpiece; in the process, the included angle degree between the rear side of the lower end of each connecting plate 351 and the rear side of the upper end of the corresponding V-shaped plate 33 is increased from less than 90 degrees to more than 180 degrees so as to achieve a self-locking state; therefore, when the swing block 34 receives a forward external force, the relative position between the U-shaped self-locking plate 35 and the two V-shaped plates 33 is not changed at all times.

When the workpiece needs to be loosened, the telescopic end of the driving cylinder body 1 contracts inwards to drive the two V-shaped plates 33 to rotate downwards, so that the lower ends of the two connecting plates 351 on the U-shaped self-locking plate 35 are driven to move forwards, and the upper ends of the two connecting plates 351 on the U-shaped self-locking plate 35 are used for driving the end part of the swinging block 34 to swing forwards so as to enable the anti-skid block 7 to leave the workpiece until the cushion block 352 is pressed on the front side of the end part of the swinging block 34.

If the fixed position of the pressing block 4 needs to be adjusted, the bolt 5 is firstly unscrewed, then the pressing block 4 moves up and down until the position of the anti-skid block 7 is matched with the position of the workpiece, and finally the bolt 5 is screwed.

The utility model discloses possess self-locking function, even receive external force interference and also can thoroughly avoid the execution end to take place the aversion phenomenon, and then enable the execution end and remain throughout at extreme position and guarantee that the work piece does not take place not hard up all the time to show the security performance that has promoted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An air cylinder with a self-locking function comprises a U-shaped support, an air cylinder body rotatably connected in the U-shaped support and a movement mechanism arranged on the U-shaped support and connected with a telescopic end of the air cylinder body, and is characterized in that the movement mechanism comprises a supporting plate, two V-shaped plates, a swinging block and two U-shaped self-locking plates, wherein the supporting plate is fixed on the inner side of the bottom of the U-shaped support and positioned at the rear side of the air cylinder body; and a cushion block is formed outwards on the upper side of the U-shaped self-locking plate and is matched with the front side of the end part of the swinging block.

2. The cylinder with the self-locking function according to claim 1, wherein two movable side plates are formed outwards at the end part of the swinging block, the movable side plates are arranged symmetrically left and right, and a detachable pressing block is fixed on the front sides of the two movable side plates.

3. The cylinder with the self-locking function according to claim 2, wherein a bending section is formed backwards at the upper end of the pressing block, and an anti-slip block is further fixed at the end of the bending section.

4. The cylinder with the self-locking function according to claim 3, wherein a bolt is further arranged between the two movable side plates, a threaded end of the bolt passes forwards between the two movable side plates and is inserted into the pressing block in a threaded manner, and a pressing ring is further sleeved on the bolt and is pressed against the rear side faces of the two movable side plates to fix the pressing block.

5. The cylinder with the self-locking function according to claim 4, wherein a reinforcing plate is further fixed on the inner side of the bottom of the U-shaped support, and the support plate is fixed on the reinforcing plate.