CN217440415U

CN217440415U - Anti-loosening structure for piston of hydraulic cylinder

Info

Publication number: CN217440415U
Application number: CN202220832022.4U
Authority: CN
Inventors: 杨辉; 李正凤
Original assignee: Yangzhou Yongfa Pneumatic Hydraulic Equipment Co ltd
Current assignee: Yangzhou Yongfa Pneumatic Hydraulic Equipment Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-09-16
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to a pneumatic cylinder technical field discloses a pneumatic cylinder piston anti loosening structure, including installation piece, two-way screw rod, ring flange and fixed block, the spacing knot of fixedly connected with on the lateral wall of installation piece, and spacing knot block is in the inside in spacing hole, simultaneously spacing hole is seted up on the piston piece, two-way screw rod through connection is in the mounting hole department at the middle part of installation piece and piston piece, and two-way screw rod fixed connection is at the left end of push rod, fixed block fixed connection is at the surface of reinforcing block, and the through connection has the gim peg on the fixed block, ring flange fixed connection is at the tip of push rod, and sets up threaded hole on the ring flange, the longitudinal section of piston piece is "worker" font structure, and the surface integration fixedly connected with wear-resisting piece of piston piece. The utility model discloses, it is fixed that the installation that conveniently carries out stability to the piston avoids appearing not hard up condition to and the convenience is strengthened the wear resistance of piston.

Description

Anti-loosening structure for piston of hydraulic cylinder

Technical Field

The utility model relates to a pneumatic cylinder technical field specifically is a pneumatic cylinder piston anti loosening structure.

Background

At present, the piston, the nut and the piston rod of a hydraulic cylinder in the industry are mostly fixed by adopting threaded connection, the piston and the nut are prevented from loosening by screwing a set screw and then punching a point, and the whole machine is often accompanied by severe vibration in the working process of a main machine, and the oil cylinder bears frequent reciprocating high-pressure impact.

The current chinese patent discloses an anti loosening structure for pneumatic cylinder piston, and the grant bulletin number is CN215486935U, and the publication date is 2022.01.11, and this patent technique is through with piston terminal surface processing kicking ring, and set up plane or recess with the nut excircle after kicking ring and laminate mutually and carry out locking, and the pitch of piston leads to the displacement different with the pitch of nut, makes the terminal surface extrusion between piston and nut bigger and bigger, reaches locking effect.

But still have some problems in this patent technique, mainly for inconvenient carry out stable installation fixed to the piston, the condition of becoming flexible appears easily to and inconvenient wear resistance to the piston strengthens, to above-mentioned condition, technical staff in the field provides a pneumatic cylinder piston anti loosening structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic cylinder piston anti loosening structure to the inconvenient installation that carries out stability to the piston that proposes among the above-mentioned background of solution is fixed, appears not hard up condition easily, and inconvenient wear resistance to the piston carries out the problem of strengthening.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pneumatic cylinder piston anti loosening structure, is including installation piece, two-way screw rod, ring flange and fixed block, the spacing knot of fixedly connected with on the lateral wall of installation piece, and spacing knot block is in the inside in spacing hole, simultaneously spacing hole is seted up on the piston piece, two-way screw rod through connection is in the mounting hole department at the middle part of installation piece and piston piece, and two-way screw rod fixed connection is at the left end of push rod, fixed block fixed connection is at the surface of reinforcing block, and the through connection has the gim peg on the fixed block, ring flange fixed connection is at the tip of push rod, and sets up threaded hole on the ring flange.

As a further aspect of the present invention: the longitudinal section of piston piece is "worker" font structure, and the wear-resisting piece of surface integration fixedly connected with of piston piece, simultaneously the installation piece is installed to the equal block in both ends about the piston piece, conveniently carries out fixed connection to the piston piece, improves the intensity of piston piece, avoids splitting.

As a further aspect of the present invention: spacing knot is radial distribution on the installation piece, and just spacing knot is fan-shaped structure to the spacing knot of the left and right sides is crisscross the setting in the both sides of piston block, conveniently will install the firm tip of fixing at the piston block of piece, facilitates the use.

As the utility model discloses further scheme again: the connection mode between reinforcement piece and the two-way screw rod is threaded connection, and 2 reinforcement pieces are opposite in the slip direction of the left and right sides of installation piece to constitute welding integrated structure between two-way screw rod and the push rod, conveniently fix the reinforcement piece installation on the lateral wall of installation piece, facilitate the use.

As a further aspect of the present invention: be the laminating setting between the lateral wall of fixed block and installation piece, and through running through gim peg fixed connection between fixed block and the installation piece, simultaneously the fixed block is in the surface of installation piece and is the equal angle setting, is convenient for fix the reinforcement piece on the installation piece, facilitates the use.

As a further aspect of the present invention: the flange plate and the push rod form a T-shaped structure, and the flange plate is connected with the flange plate through the threaded holes by bolts, so that the push rod is conveniently fixed on the hydraulic cylinder, and the use is convenient.

The utility model has the advantages that:

1. the side wall of the mounting block is fixedly connected with a limit buckle, so that the mounting block is conveniently and fixedly connected to the side wall of the piston block, the overall strength of the piston block is conveniently improved, the situation of fracture is avoided, and the piston block is also conveniently and fixedly connected to the push rod;

2. the outer surface integration fixedly connected with wear-resisting piece of piston piece conveniently improves the wear resistance of piston piece, strengthens threaded connection between piece and the two-way screw rod simultaneously to be convenient for with strengthening piece fixed connection on the lateral wall of installation piece, conveniently consolidate the connection to the piston piece, also convenient to change dismantlement.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic front view of a check structure for a piston of a hydraulic cylinder;

FIG. 2 is a schematic top view of the mounting block of FIG. 1;

FIG. 3 is a perspective view of the mounting block of FIG. 1;

fig. 4 is a perspective view of the push rod of fig. 1.

In the figure: 1. mounting blocks; 2. a limiting buckle; 3. a piston block; 4. mounting holes; 5. a bidirectional screw; 6. a reinforcing block; 7. a push rod; 8. a flange plate; 9. a threaded hole; 10. a limiting hole; 11. a wear-resistant block; 12. a fixed block; 13. and (6) fixing the bolt.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, please refer to fig. 1 to 4, and the embodiment of the present invention is as follows:

a piston looseness prevention structure of a hydraulic cylinder is disclosed, and in the figures 1, 2 and 4: including the installation piece 1, two-way screw rod 5, ring flange 8 and fixed block 12, the spacing knot of fixedly connected with 2 on the lateral wall of installation piece 1, and the inside at spacing hole 10 of 2 blocks of spacing knot, spacing hole 10 is seted up on piston piece 3 simultaneously, 5 through connection of two-way screw rod are in the mounting hole 4 departments at the middle part of installation piece 1 and

piston piece

3, and 5 fixed connection of two-way screw rod are at the left end of push rod 7, 12 fixed connection of fixed block are at the surface of reinforcing block 6, and the last through connection of fixed block 12 has

gim peg

13, 8 fixed connection of ring flange are at the tip of push rod 7, and set up threaded hole 9 on the ring flange 8.

In FIGS. 1 to 3: piston block 3's longitudinal section is "worker" font structure, and piston block 3's the wear-resisting piece 11 of surface integration fixedly connected with, installation piece 1 is installed to the equal block in both ends about piston block 3 simultaneously, spacing knot 2 is radial distribution on installation piece 1, and spacing knot 2 is fan-shaped structure, and the spacing knot 2 of the left and right sides is crisscross the setting in piston block 3's both sides, the connected mode between reinforcement block 6 and the two-way screw rod 5 is threaded connection, and 2 reinforcement block 6 is opposite in the slip direction of the left and right sides of installation piece 1, and constitute welding integrated structure between two-way screw rod 5 and the push rod 7, conveniently with piston block 3 fixed mounting on push rod 7, conveniently prolong piston block 3's life, also be convenient for simultaneously improve piston block 3's intensity, avoid breaking.

In fig. 1 and 4: be the laminating setting between the lateral wall of fixed block 12 and installation piece 1, and through running through gim peg 13 fixed connection between fixed block 12 and the installation piece 1, fixed block 12 is angle settings such as at the exterior surface of installation piece 1 simultaneously, constitutes "T" font structure between ring flange 8 and the push rod 7, and is bolted connection through screw hole 9 between ring flange 8 and the ring flange 8, and the convenience is installed fixedly push rod 7, and the change of being convenient for is dismantled, convenient maintenance and is handled.

The utility model discloses a theory of operation is: the mounting block 1 is clamped and mounted on the side wall of the piston block 3 through the limiting buckle 2, then the reinforcing blocks 6 are screwed on the outer surface of the bidirectional screw 5 in a threaded manner, the directions of screwing the reinforcing blocks 6 on the bidirectional screw 5 on the left side and the right side are opposite, so that the reinforcing blocks 6 can extrude and limit the mounting block 1, the mounting block 1 can be fixed on the side wall of the piston block 3 conveniently, the fixing block 12 is fixedly connected to the side wall of the mounting block 1 through the fixing bolt 13, the reinforcing block 6 and the mounting block 1 can be fixedly connected conveniently, the reinforcement is convenient, the piston block 3 is prevented from loosening, and the use is convenient;

the outer surface integration fixedly connected with wear-resisting piece 11 of piston piece 3 to be convenient for improve the whole wear resistance of piston piece 3, the right-hand member fixedly connected with ring flange 8 of push rod 7 simultaneously, angle such as ring flange 8's surface set up threaded hole 9, conveniently through ring flange 8 with push rod 7 erection joint on the pneumatic cylinder, it is fixed easy to assemble, also convenient to detach changes simultaneously, facilitate the use, this is exactly a pneumatic cylinder piston anti loosening structure's work flow.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. A piston anti-loosening structure of a hydraulic cylinder comprises an installation block (1), a bidirectional screw (5), a flange (8) and a fixed block (12), it is characterized in that the side wall of the mounting block (1) is fixedly connected with a limit buckle (2), the limit buckle (2) is clamped in the limit hole (10), meanwhile, the limit hole (10) is arranged on the piston block (3), the bidirectional screw (5) is connected with the mounting hole (4) in the middle of the mounting block (1) and the piston block (3) in a penetrating way, the bidirectional screw (5) is fixedly connected with the left end of the push rod (7), the fixed block (12) is fixedly connected with the outer surface of the reinforcing block (6), and the fixed block (12) is provided with a fixed bolt (13) in a penetrating way, the flange plate (8) is fixedly connected with the end part of the push rod (7), and the flange plate (8) is provided with a threaded hole (9).

2. The anti-loosening structure for the piston of the hydraulic cylinder according to claim 1, wherein the longitudinal section of the piston block (3) is of an I-shaped structure, the outer surface of the piston block (3) is fixedly connected with a wear-resistant block (11) in an integrated manner, and the left end and the right end of the piston block (3) are respectively provided with a mounting block (1) in a clamping manner.

3. The looseness-proof structure of the hydraulic cylinder piston as claimed in claim 1, wherein the limit buttons (2) are radially distributed on the mounting block (1), the limit buttons (2) are of a fan-shaped structure, and the limit buttons (2) on the left and right sides are staggered on the two sides of the piston block (3).

4. The looseness-prevention structure for the piston of the hydraulic cylinder, according to claim 1, wherein the reinforcing blocks (6) are connected with the bidirectional screw (5) in a threaded manner, the sliding directions of the 2 reinforcing blocks (6) on the left side and the right side of the mounting block (1) are opposite, and a welding integrated structure is formed between the bidirectional screw (5) and the push rod (7).

5. The looseness-proof structure of the hydraulic cylinder piston as claimed in claim 1, wherein the fixing block (12) is attached to the side wall of the mounting block (1), the fixing block (12) is fixedly connected with the mounting block (1) through a through fixing bolt (13), and meanwhile the fixing block (12) is arranged at an equal angle on the outer surface of the mounting block (1).

6. The looseness-proof structure of the piston of the hydraulic cylinder according to claim 1, wherein a T-shaped structure is formed between the flange (8) and the push rod (7), and the flange (8) is connected with the flange (8) through a threaded hole (9) by a bolt.