CN213419551U

CN213419551U - Oil cylinder convenient for replacing dustproof ring

Info

Publication number: CN213419551U
Application number: CN202022029929.0U
Authority: CN
Inventors: 张永宝
Original assignee: Tianjin Aohe Technology Development Co ltd
Current assignee: Tianjin Aohe Technology Development Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-11
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a hydro-cylinder convenient to change dust ring relates to the hydro-cylinder field, the power distribution cylinder comprises a cylinder body, the mounting groove has been seted up to the cylinder body tip, mounting groove internally mounted has dust ring fixed establishment, dust ring fixed establishment includes a plurality of springs, every the equal fixedly connected with spacing slider of spring one end, spacing slider keeps away from the one end fixedly connected with connecting rod of spring, spacing slider one end fixedly connected with movable support is kept away from to the connecting rod. The utility model discloses a rotate the swivel becket, the swivel becket rotates and drives second magnet on its inner wall and aligns with first magnet, according to the principle that opposite sex attracted mutually, extracts the inserted bar that will move about from the slot to remove the restraint to the movable support, then the spring promotes to release the movable support from the mounting groove, then takes off the card strip from the movable support through the recess, exposes inside dust ring, carries out quick replacement to dust ring, wholly makes the utility model discloses can effectively improve the convenience of changing the dust ring.

Description

Oil cylinder convenient for replacing dustproof ring

Technical Field

The utility model relates to a hydro-cylinder field, in particular to hydro-cylinder convenient to change dust ring.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), and in order to ensure that dust cannot enter the cylinder along the piston rod, a dust ring is arranged on the cylinder and can scrape off the dust on the piston rod.

In prior art, when the dust ring is changed to the hydro-cylinder, need demolish a plurality of bolts that fix the dust ring on the hydro-cylinder to inside the dust ring was in the mounting groove, it was comparatively difficult when taking out the dust ring, it was comparatively inconvenient to change.

Therefore, it is necessary to provide a cylinder with a dust ring easy to replace to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an hydro-cylinder convenient to change dust ring to the dust ring who proposes in solving above-mentioned background art changes inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: an oil cylinder convenient for replacing a dust ring comprises a cylinder body, wherein an installation groove is formed in the end part of the cylinder body, and a dust ring fixing mechanism is installed inside the installation groove; the dustproof ring fixing mechanism comprises a plurality of springs, one end of each spring is fixedly connected with a limiting slide block, one end of each limiting slide block, far away from the spring, is fixedly connected with a connecting rod, one end of each connecting rod, far away from the limiting slide block, is fixedly connected with a movable support, a dustproof ring is arranged in the movable support, a plurality of first clamping grooves are formed in two sides of the inner wall of the movable support, a plurality of clamping strips are arranged on the outer side of the dustproof ring, a plurality of first elastic clamping blocks are fixedly connected to the surfaces of two sides of each clamping strip, a groove is formed in one side surface, far away from the dustproof ring, of each clamping strip, a plurality of clamping rods are fixedly connected to one side of the movable support, each clamping rod is provided with a slot, a movable inserting rod is inserted into the slot, the top end of each movable inserting rod is fixedly connected with a first magnet, a, the surface of the two sides of the rotating ring is fixedly connected with a plurality of second elastic clamping blocks, the surfaces of the inner walls of the two sides of the rotating groove are provided with second clamping grooves, and the surfaces of the inner walls of the rotating ring are provided with a plurality of second magnets and third magnets in a staggered mode.

Preferably, the projections of the plurality of second magnets and the plurality of third magnets and the projections of the plurality of second elastic clamping blocks are located at the same radius, and the first elastic clamping block and the second elastic clamping block are made of rubber materials.

Preferably, the first magnet and the second magnet have opposite magnetic poles, and the first magnet and the third magnet have opposite magnetic poles that are the same.

Preferably, the clamping strips are clamped with the movable support through a plurality of first elastic clamping blocks and first clamping grooves, and the first elastic clamping blocks are matched with the first clamping grooves.

Preferably, the bottom end of the movable support is communicated with a piston rod of the oil cylinder, and a plurality of embedded grooves are formed in the bottom end of the movable support.

Preferably, a plurality of the insertion grooves are internally provided with balls.

The utility model discloses a technological effect and advantage:

1. through rotating the rotating ring, the rotating ring rotates to drive the second magnet on the inner wall of the rotating ring to align with the first magnet, according to the principle that opposite polarities attract, the movable insertion rod is pulled out from the slot on the clamping rod, so that the constraint on the movable support is removed, then the spring pushes the limiting slider to move, the limiting slider moves to push the connecting rod to move, the connecting rod moves to push the movable support to move, so that the movable support is pushed out from the mounting groove, then the clamping strip is taken down from the movable support through the groove, the inner dust ring is exposed, the dust ring is rapidly replaced, and the whole dust ring replacement device can effectively improve the convenience of replacing the dust ring;

2. through setting up the ball, the ball of installation can turn into rolling friction with the sliding friction between movable support and the hydro-cylinder piston rod in the embedded groove to can reduce frictional force, play fine supporting role, and can reduce the friction loss to the piston rod.

Drawings

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

fig. 2 is an enlarged view of the structure at a in fig. 1 of the present invention;

FIG. 3 is a side view of the cross-sectional structure of the rotating ring of the present invention;

fig. 4 is an enlarged view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a cylinder body; 2. mounting grooves; 3. a dust ring fixing mechanism; 4. a spring; 5. a limiting slide block; 6. a connecting rod; 7. a movable support; 8. a dust ring; 9. a first card slot; 10. clamping the strip; 11. a first elastic clamping block; 12. a groove; 13. a clamping rod; 14. a slot; 15. a movable inserted link; 16. a first magnet; 17. a rotating ring; 18. a second elastic clamping block; 19. a second magnet; 20. a third magnet; 21. a groove is embedded; 22. and a ball.

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.

The utility model provides an oil cylinder convenient for replacing a dust ring as shown in figures 1-4, which comprises a cylinder body 1 as shown in figures 1-3, wherein the end part of the cylinder body 1 is provided with a mounting groove 2 for mounting a movable bracket 7;

secondly, a dust ring fixing mechanism 3 is installed inside the installation groove 2, the dust ring fixing mechanism 3 comprises a plurality of springs 4, and can reset the movable support 7, so that the movable support 7 can be popped out of the installation groove 2, one end of each spring 4 is fixedly connected with a limit slider 5, and can prevent a connecting rod 6 from being pulled out from the installation groove 2, one end of each limit slider 5, which is far away from the spring 4, is fixedly connected with a connecting rod 6, one end of each connecting rod 6, which is far away from the limit slider 5, is fixedly connected with a movable support 7 for installing a dust ring 8, the bottom end of each movable support 7 is communicated with an oil cylinder piston rod, a dust ring 8 is installed inside the movable support 7, a plurality of first clamping grooves 9 are formed on two sides of the inner wall of the movable support 7, a plurality of clamping strips 10 are installed on the outer side of the dust ring 8, and a plurality of first elastic, the plurality of clamping strips 10 are clamped with the movable support 7 through a plurality of first elastic clamping blocks 11 and first clamping grooves 9, the first elastic clamping blocks 11 are matched with the first clamping grooves 9, a groove 12 is formed in one side surface, far away from the dust ring 8, of each clamping strip 10, the clamping strips 10 are conveniently taken down from the movable support 7, a plurality of clamping rods 13 are fixedly connected to one side of the movable support 7, each clamping rod 13 is provided with a slot 14, a movable inserting rod 15 is inserted into each slot 14, a first magnet 16 is fixedly connected to the top end of each movable inserting rod 15, a rotating groove is formed in the side surface of the cylinder body 1, a rotating ring 17 is rotatably connected to the inside of each rotating groove, a plurality of second elastic clamping blocks 18 are fixedly connected to the surfaces of the two sides of the rotating ring 17, the first elastic clamping blocks 11 and the second elastic clamping blocks 18 are made of rubber materials and have certain elasticity, the inner wall surfaces of two sides of the rotating groove are respectively provided with a second clamping groove, the inner wall surfaces of the two sides of the rotating groove can be mutually matched through a second elastic clamping block 18 and a second clamping groove, so that when the rotating ring 17 is rotated each time, the first magnet 16 can be aligned to a second magnet 19 or a third magnet 20, the positioning effect is improved, the inner wall surfaces of the rotating ring 17 are alternately provided with a plurality of second magnets 19 and third magnets 20, the plurality of second magnets 19 and the plurality of third magnets 20 are respectively positioned at the same radius with the projection of the plurality of second elastic clamping blocks 18, the opposite magnetic poles of the first magnet 16 and the second magnet 19 are opposite, the opposite magnetic poles of the first magnet 16 and the third magnet 20 are the same, the rotating ring 17 can be rotated to drive the second magnet 19 on the inner wall thereof to be aligned to the first magnet 16, and the movable insertion rod 15 can be pulled out of the slot 14 on the clamping rod 13 according to the principle of opposite attraction, thereby remove the restraint to movable support 7, then spring 4 promotes spacing slider 5 and removes, and spacing slider 5 removes and promotes connecting rod 6 and removes, and connecting rod 6 removes and promotes movable support 7 and remove to release movable support 7 from mounting groove 2, then take off card strip 10 from movable support 7 through recess 12, expose inside dust ring 8, it can to change dust ring 8.

As shown in fig. 4, a plurality of embedded grooves 21 have been seted up to movable support 7 bottom, and is a plurality of embedded groove 21 internally mounted has ball 22, and the accessible sets up ball 22, and the ball 22 of installation can turn into rolling friction with the sliding friction between movable support 7 and the hydro-cylinder piston rod in the embedded groove 21 to can reduce frictional force, play fine supporting role, and can reduce the friction loss to the piston rod.

The utility model discloses the theory of operation:

in-service use the utility model discloses the time, the swivel becket 17 rotates, swivel becket 17 rotates and drives second magnet 19 on its inner wall and aligns with first magnet 16, according to the principle that opposite sex is inhaled mutually, extract activity inserted bar 15 from slot 14 on the block pole 13, thereby remove the restraint to movable support 7, then spring 4 promotes stop block 5 and removes, stop block 5 removes and promotes connecting rod 6 and removes, connecting rod 6 removes and promotes movable support 7 and removes, thereby release movable support 7 from mounting groove 2, then take off card strip 10 from movable support 7 through recess 12, expose inside dust ring 8, it can to change dust ring 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an hydro-cylinder convenient to change dust ring which characterized in that: the cylinder comprises a cylinder body (1), wherein an installation groove (2) is formed in the end part of the cylinder body (1), and a dustproof ring fixing mechanism (3) is installed in the installation groove (2); the dustproof ring fixing mechanism (3) comprises a plurality of springs (4), one end of each spring (4) is fixedly connected with a limiting slide block (5), one end, far away from the springs (4), of each limiting slide block (5) is fixedly connected with a connecting rod (6), one end, far away from the limiting slide blocks (5), of each connecting rod (6) is fixedly connected with a movable support (7), a dustproof ring (8) is installed inside each movable support (7), a plurality of first clamping grooves (9) are formed in two sides of the inner wall of each movable support (7), a plurality of clamping strips (10) are installed on the outer side of each dustproof ring (8), a plurality of first elastic clamping blocks (11) are fixedly connected to the surfaces of two sides of each clamping strip (10), a groove (12) is formed in the surface, far away from the dustproof ring (8), of each clamping strip (10), a plurality of clamping rods (13) are fixedly connected to one side of each, every slot (14) have all been seted up on block pole (13), activity inserted bar (15) have been inserted to slot (14) inside, first magnet (16) of activity inserted bar (15) top fixedly connected with, the rotation groove has been seted up to cylinder body (1) side surface, it is connected with swivel becket (17) to rotate inslot portion rotation, a plurality of second elastic clamping block (18) of swivel becket (17) both sides equal fixedly connected with in surface, the second draw-in groove has all been seted up on rotation groove both sides inner wall surface, swivel becket (17) inner wall surface is crisscross to be provided with a plurality of second magnet (19) and third magnet (20).

2. The oil cylinder convenient to replace the dust ring according to claim 1, characterized in that: the projections of the second magnets (19) and the third magnets (20) and the projections of the second elastic clamping blocks (18) are located at the same radius, and the first elastic clamping block (11) and the second elastic clamping blocks (18) are made of rubber materials.

3. The oil cylinder convenient to replace the dust ring according to claim 1, characterized in that: the opposite magnetic poles of the first magnet (16) and the second magnet (19) are opposite, and the opposite magnetic poles of the first magnet (16) and the third magnet (20) are the same.

4. The oil cylinder convenient to replace the dust ring according to claim 1, characterized in that: the clamping strips (10) are clamped with the movable support (7) through a plurality of first elastic clamping blocks (11) and first clamping grooves (9), and the first elastic clamping blocks (11) are matched with the first clamping grooves (9).

5. The oil cylinder convenient to replace the dust ring according to claim 1, characterized in that: the bottom end of the movable support (7) is communicated with a piston rod of the oil cylinder, and a plurality of embedded grooves (21) are formed in the bottom end of the movable support (7).

6. The oil cylinder convenient to replace the dust ring according to claim 5, characterized in that: the ball (22) is arranged in the embedding grooves (21).