CN211474569U

CN211474569U - Cylinder shaft pin double-positioning guide mechanism

Info

Publication number: CN211474569U
Application number: CN201922403859.8U
Authority: CN
Inventors: 曹克成; 李晓龙
Original assignee: Wuxi Jingdeng Automatic Control Valve Co ltd
Current assignee: Wuxi Jingdeng Automatic Control Valve Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-11
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a two location guiding mechanism of cylinder pivot relates to pneumatic actuator technical field, including the executor box, offer the through-hole that is used for running through the rotation axis on the executor box, the shift fork cover is established the rotation axis set up in the inboard of executor box, and can be relative rotary motion is to the executor box, the executor box includes the box and the apron of lock each other, follows first recess has been seted up to the box inner wall, and is corresponding, the second recess has been seted up on the apron, set up the waist type groove of mutual symmetry on the shift fork, the centre gripping has the direction connecting block that is used for connecting the piston rod between the waist type groove, it has the round pin axle to run through on the direction connecting block, the both ends of round pin axle respectively with first recess with the horizontal orbit that the second recess constitutes is contradicted. The device has the advantages of simple structure, low cost, convenient use and good transmission effect, and can effectively prolong the service life of the actuator.

Description

Cylinder shaft pin double-positioning guide mechanism

Technical Field

The utility model belongs to the technical field of pneumatic actuator technique and specifically relates to a two location guiding mechanism of cylinder pivot.

Background

The existing actuator directly drives the swing arm to rotate through the air cylinder rod, a guide mechanism is not designed, and the piston rod can receive a lateral force in the rotating process, so that the service life of the pneumatic actuator is greatly shortened due to the lateral force, the operation is unstable, and the failure rate is high.

Therefore, there is an urgent need for an improvement to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a two location guiding mechanism of cylinder pivot, set up the recess slide rail of mutual symmetry in the executor box run through on the direction connecting block can with the inconsistent round pin axle of the recess slide rail of both sides, and then replaced the tradition and set up the guide bar structure on the direction connecting block. The device has the advantages of simple structure, low cost, convenient use and good transmission effect, and can effectively prolong the service life of the actuator.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

a cylinder shaft pin double-positioning guide mechanism comprises an actuator box body 1, wherein a through hole 3 for penetrating a rotating shaft 2 is formed in the actuator box body 1, a shifting fork 4 is sleeved on the rotating shaft 2 and is arranged on the inner side of the actuator box body 1, and can rotate relative to the actuator box body 1, the actuator box body 1 comprises a box body 1-1 and a cover plate 1-2 which can be mutually buckled, a first groove 5 is arranged along the inner wall of the box body 1-1, correspondingly, the cover plate 1-2 is provided with a second groove 6, the shifting fork 4 is provided with mutually symmetrical waist-shaped grooves 7, a guide connecting block 8 for connecting a piston rod is clamped between the waist-shaped grooves 7, a pin shaft 9 penetrates through the guide connecting block 8, and two ends of the pin shaft 9 are respectively abutted against the horizontal rails formed by the first groove 5 and the second groove 6.

Preferably, two sides of the first groove 5 and the second groove 6 are respectively provided with a stop rail 10, and the stop rails 10 are attached to the outer wall of the pin shaft 9; the two ends of the pin shaft 9 are also respectively arranged on the bulges 11, and the bulges 11 can slide along the first grooves 5 or the second grooves 6.

Preferably, the protrusion 11 is cylindrical, and both ends of the first groove 5 or the second groove 6 are arc-shaped to match with the protrusion 11.

Preferably, the height of the protrusion 11 is equal to the depth of the first groove 5 or the second groove 6, the distance between the stop rails 10 is equal to the outer diameter of the pin shaft 9, and the height of the stop rail 10 is greater than the height of the protrusion 11.

Advantageous effects

The utility model provides a two location guiding mechanism of cylinder pivot sets up the recess slide rail of mutual symmetry in the executor box run through on the direction connecting block can with the inconsistent round pin axle of the recess slide rail of both sides, and then replaced the tradition and set up the guide bar structure on the direction connecting block. The device has the advantages of simple structure, low cost, convenient use and good transmission effect, and can effectively prolong the service life of the actuator.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of a conventional connecting structure with a guide rod of a cylinder shaft pin dual-positioning guide mechanism according to the present invention;

fig. 2 is a schematic view of a first visual angle explosion structure of a cylinder shaft pin dual-positioning guide mechanism according to the present invention;

fig. 3 is an exploded schematic view of a second view angle of the cylinder shaft pin dual-positioning guiding mechanism according to the present invention;

fig. 4 is a schematic structural view of the inner wall of the cover plate of the cylinder shaft pin dual-positioning guide mechanism of the present invention;

fig. 5 is a schematic structural view of the inner wall of the box body of the cylinder shaft pin double-positioning guide mechanism of the present invention;

fig. 6 is a schematic view of a connection structure of a shifting fork and a pin shaft of the cylinder pin double-positioning guide mechanism of the present invention;

fig. 7 is the utility model discloses a two location guiding mechanism's of cylinder pivot round pin axle slides structural schematic diagram.

Graphic notation:

the device comprises an actuator box body 1, an actuator box body 1-1, a cover plate 1-2, a rotating shaft 2, a through hole 3, a shifting fork 4, a first groove 5, a second groove 6, a waist-shaped groove 7, a guide connecting block 8, a pin shaft 9, a stop rail 10 and a protrusion 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 2 and 3, the cylinder shaft pin double-positioning guide mechanism comprises an actuator box body 1, the box body 1 of the actuator is provided with a through hole 3 for penetrating through the rotating shaft 2, the rotating shaft 2 is sleeved with the shifting fork 4 and is arranged at the inner side of the box body 1 of the actuator, and can rotate relative to the actuator box body 1, the actuator box body 1 comprises a box body 1-1 and a cover plate 1-2 which can be mutually buckled, a first groove 5 is arranged along the inner wall of the box body 1-1, correspondingly, the cover plate 1-2 is provided with a second groove 6, the shifting fork 4 is provided with mutually symmetrical waist-shaped grooves 7, a guide connecting block 8 for connecting a piston rod is clamped between the waist-shaped grooves 7, a pin shaft 9 penetrates through the guide connecting block 8, and two ends of the pin shaft 9 are respectively abutted against the horizontal rails formed by the first groove 5 and the second groove 6.

Specifically, first recess 5 and the second recess 6 of mutual symmetry constitute the track that slides at round pin axle 9 both ends, and when the relative waist type groove 7 motion of direction connecting block 8 under the effect of piston rod, drive the round pin axle 9 of being connected with direction connecting block and do horizontal linear motion relative first recess 5 and second recess 6, this mode has replaced the trouble that the tradition used the guide bar, and not only the structure is simpler, and it is more convenient to move moreover.

As shown in fig. 4-7, two blocking rails 10 are respectively disposed along two sides of the first groove 5 and the second groove 6, and the blocking rails 10 are attached to the outer wall of the pin shaft 9; the two ends of the pin shaft 9 are also respectively arranged on the bulges 11, and the bulges 11 can slide along the first grooves 5 or the second grooves 6.

Specifically, the stop rail 10 forms a sliding track of the pin shaft, the first groove 5 and the second groove 6 which are symmetrical to each other form a sliding track of the protrusion 11 at the end part of the pin shaft 9, and the pin shaft 9 can better do linear motion due to the arrangement of the double-limit structure. As an optimization of this embodiment, the height of the protrusion 11 is equal to the depth of the first groove 5 or the second groove 6, the distance between the stop rails 10 is equal to the outer diameter of the pin shaft 9, and the height of the stop rail 10 is greater than the height of the protrusion 11

As a further optimization of this embodiment, the protrusion 11 is cylindrical, and both ends of the first groove 5 or the second groove 6 are arc-shaped to match with the protrusion 11. The arrangement can conveniently increase the sliding distance of the pin shaft 9 in the box body.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a two location guiding mechanism of cylinder pivot, includes executor box (1), offer through-hole (3) that are used for running through rotation axis (2) on executor box (1), shift fork (4) cover is established rotation axis (2) set up in the inboard of executor box (1), and can be relative rotary motion, its characterized in that are done in executor box (1): the actuator box body (1) comprises a box body (1-1) and a cover plate (1-2) which can be mutually buckled, a first groove (5) is formed in the inner wall of the box body (1-1) in a corresponding mode, a second groove (6) is formed in the cover plate (1-2), mutually symmetrical waist-shaped grooves (7) are formed in a shifting fork (4), a guide connecting block (8) used for connecting a piston rod is clamped between the waist-shaped grooves (7), a pin shaft (9) penetrates through the guide connecting block (8), and two ends of the pin shaft (9) are respectively abutted to horizontal rails formed by the first groove (5) and the second groove (6).

2. The cylinder pin dual-positioning guide mechanism according to claim 1, wherein: blocking rails (10) are respectively arranged along two sides of the first groove (5) and the second groove (6), and the blocking rails (10) are attached to the outer wall of the pin shaft (9); the two ends of the pin shaft (9) are further arranged on the protrusions (11) respectively, and the protrusions (11) can slide along the first grooves (5) or the second grooves (6).

3. The cylinder pin dual-positioning guide mechanism according to claim 2, wherein: the protrusion (11) is cylindrical, and two ends of the first groove (5) or the second groove (6) are arc-shaped and matched with the protrusion (11).

4. The cylinder pin dual-positioning guide mechanism according to claim 2, wherein: the height of the protrusion (11) is equal to the depth of the first groove (5) or the second groove (6), the distance between the stop rails (10) is equal to the outer diameter of the pin shaft (9), and the height of the stop rails (10) is larger than the height of the protrusion (11).