CN215805495U

CN215805495U - Novel hydraulic oil cylinder

Info

Publication number: CN215805495U
Application number: CN202121929662.9U
Authority: CN
Inventors: 赵兵吉; 胡异; 胡永辉; 汤勇
Original assignee: Xiangtan Keyu Hydraulic Machinery Co ltd
Current assignee: Xiangtan Keyu Hydraulic Machinery Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-11
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a novel hydraulic oil cylinder which comprises a cylinder body, wherein an installation mechanism is arranged on the left side of the cylinder body, a piston rod is inserted into an inner cavity of the cylinder body, a piston is fixedly connected to the left end of the piston rod, a sealing sliding sleeve is inserted into the right end of the inner cavity of the cylinder body, a first fixing ring is fixedly connected to the outer wall of the right side of the sealing sliding sleeve, a second fixing ring is fixedly connected to the wall body of the right side of the cylinder body, an arc-shaped buffer groove is formed in the wall body of the left side of the sealing sliding sleeve, and connecting columns are respectively and fixedly connected to the peripheral wall bodies of the right side of the piston. This novel hydraulic cylinder can make things convenient for the dismantlement installation of wear-resisting sealing ring through mutually supporting of go-between, the lantern ring, fixture block, draw-in groove, first connecting block, flexure strip, cylindrical fixture block, the cylindrical draw-in groove that sets up to the convenience is changed wear-resisting sealing ring, only needs to change wear-resisting sealing ring, need not dismantle the change to the piston, has reduced the waste of resource.

Description

Novel hydraulic oil cylinder

Technical Field

The utility model relates to the technical field of hydraulic oil cylinders, in particular to a novel hydraulic oil cylinder.

Background

The hydraulic oil cylinder is an actuating element in a hydraulic transmission system, converts hydraulic energy into mechanical energy, makes linear reciprocating motion or swinging motion, has simple structure and reliable work, can avoid a speed reducer when the hydraulic oil cylinder is used for realizing reciprocating motion, has no transmission clearance, and moves stably, thereby being widely applied to various mechanical hydraulic systems.

In chinese utility model patent application no: CN202021625052.5 discloses a novel leakage-proof hydraulic cylinder, which comprises a shell, wherein the right side of the shell is fixedly connected with a leakage-proof box, the inner cavity of the leakage-proof box is fixedly connected with a piston rod bushing, the inner cavity of the piston rod bushing is movably connected with a piston rod, the left side of the inner cavity of the leakage-proof box is fixedly connected with a buffer ring, and the right side of the inner cavity of the leakage-proof box and the buffer ring is fixedly connected with a first O-shaped sealing ring. The hydraulic oil cylinder is not easy to damage. The wear-resisting ring of the device is inconvenient to detach and replace, is difficult to avoid wearing and tearing in long-time use, and is often replaced together with the piston during replacement, thereby causing the waste of resources, and simultaneously the piston rod of the device has poor buffering effect in the telescopic process.

Therefore, it is necessary to provide a new hydraulic cylinder to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a novel hydraulic oil cylinder which can effectively solve the problems in the background technology.

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

a novel hydraulic oil cylinder comprises a cylinder body, wherein an installation mechanism is arranged on the left side of the cylinder body, a piston rod is inserted into an inner cavity of the cylinder body, a piston is fixedly connected to the left end of the piston rod, a sealing sliding sleeve is inserted into the right end of the inner cavity of the cylinder body, a first fixing ring is fixedly connected to the outer wall of the right side of the sealing sliding sleeve, a second fixing ring is fixedly connected to the wall body of the right side of the cylinder body, an arc-shaped buffer groove is formed in the wall body of the left side of the sealing sliding sleeve, connecting columns are respectively and fixedly connected to the peripheral wall body of the right side of the piston, buffer grooves are respectively formed in the wall bodies of the right side of the four connecting columns, buffer springs are respectively and transversely and fixedly connected to the left wall body of the inner cavity of the four buffer grooves, buffer columns are respectively and transversely inserted into the right ends of the inner cavities of the four buffer grooves, and second connecting blocks are respectively and fixedly connected to the right ends of the four buffer columns, four the right-hand member wall body of second connecting block is fixedly connected with arc buffer head respectively, the cover can be dismantled to the left side outside of piston is equipped with the go-between, the wear-resisting sealing ring of outside wall body fixedly connected with of go-between, the draw-in groove has been seted up to the top and the bottom wall body symmetry of piston left end, the top and the bottom wall body symmetry fixedly connected with fixture block of go-between inner chamber left end, the right side wall body fixedly connected with lantern ring of go-between, cylindrical draw-in groove has been seted up to the surface of the lantern ring, the first connecting block of top and bottom wall body symmetry fixedly connected with on piston right side, two the top symmetry fixedly connected with flexure strip of first connecting block, two the flexure strip is the cylindrical fixture block of left end wall body symmetry fixedly connected with on one side relatively.

Preferably, the quantity of arc dashpot is four, and wall body around the left side of sealed sliding sleeve is seted up respectively to four arc dashpots are respectively with the size and the mutual adaptation in position of four arc buffering heads.

Preferably, the left side wall bodies of the four buffer columns are fixedly connected with the right ends of the four buffer springs respectively.

Preferably, the two clamping blocks are respectively located in the inner cavities of the two clamping grooves, and the two clamping blocks are respectively matched with the two clamping grooves.

Preferably, the quantity of cylindrical draw-in groove is two, and two cylindrical draw-in grooves symmetry are seted up in the top and the bottom wall body of lantern ring right-hand member to two cylindrical draw-in grooves respectively with two cylindrical fixture block mutual adaptation.

Preferably, the inner wall of the sealing sliding sleeve is in contact with the outer wall of the piston rod.

Advantageous effects

Compared with the prior art, the utility model provides a novel hydraulic oil cylinder, which has the following beneficial effects:

1. this novel hydraulic cylinder, wear and tear with the cylinder body inner wall of piston can effectively be reduced through the wear-resisting sealing ring that sets up, thereby increase the life of piston, go-between through setting up, the lantern ring, the fixture block, the draw-in groove, first connecting block, the flexure strip, cylindrical fixture block, the dismantlement installation that can make things convenient for wear-resisting sealing ring of mutually supporting of cylindrical draw-in groove, thereby conveniently change wear-resisting sealing ring, only need change wear-resisting sealing ring, need not dismantle the change to the piston, the life of piston has been increased, the waste of resource has been reduced.

2. This novel hydraulic cylinder, through arc dashpot, arc buffer head, second connecting block, buffering post, spliced pole, buffer spring's that set up mutually supporting can play the effect of buffering protection to flexible piston, sealed sliding sleeve, piston rod, has avoided the piston to cause the damage of piston, sealed sliding sleeve or piston rod with the left side striking of sealed sliding sleeve.

Drawings

FIG. 1 is a schematic view of the present invention in partial cross-section;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of the utility model at B in FIG. 1;

fig. 4 is an enlarged view of the utility model at C in fig. 2.

In the figure: 1. a cylinder body; 2. a piston rod; 3. an installation mechanism; 4. a first retaining ring; 5. a second retaining ring; 6. sealing the sliding sleeve; 7. an arc buffer slot; 8. a piston; 9. a connecting ring; 10. a wear-resistant seal ring; 11. a collar; 12. a clamping block; 13. a card slot; 14. a first connection block; 15. an elastic sheet; 16. connecting columns; 17. a buffer tank; 18. a buffer spring; 19. a buffer column; 20. a second connecting block; 21. an arc-shaped buffer head; 22. a cylindrical fixture block; 23. cylindrical neck.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in figures 1-4, a novel hydraulic cylinder comprises a cylinder body 1, wherein an installation mechanism 3 is arranged on the left side of the cylinder body 1, a piston rod 2 is inserted into an inner cavity of the cylinder body 1, a piston 8 is fixedly connected to the left end of the piston rod 2, a sealing sliding sleeve 6 is inserted into the right end of the inner cavity of the cylinder body 1, the inner wall of the sealing sliding sleeve 6 is in contact with the outer wall of the piston rod 2, a first fixing ring 4 is fixedly connected to the right outer wall of the sealing sliding sleeve 6, a second fixing ring 5 is fixedly connected to the right wall of the cylinder body 1, arc-shaped buffer grooves 7 are formed in the left wall of the sealing sliding sleeve 6, the number of the arc-shaped buffer grooves 7 is four, the four arc-shaped buffer grooves 7 are respectively arranged on the left peripheral wall of the sealing sliding sleeve 6, the four arc-shaped buffer grooves 7 are respectively matched with the size and the position of the four arc-shaped buffer heads 21, connecting columns 16 are respectively and fixedly connected to the right peripheral wall of the piston 8, the right side wall bodies of the four connecting columns 16 are respectively provided with a buffer groove 17, the left side wall bodies of the inner cavities of the four buffer grooves 17 are respectively transversely and fixedly connected with buffer springs 18, the right ends of the inner cavities of the four buffer grooves 17 are respectively transversely inserted with buffer columns 19, the left side wall bodies of the four buffer columns 19 are respectively fixedly connected with the right ends of the four buffer springs 18, the right ends of the four buffer columns 19 are respectively and fixedly connected with second connecting blocks 20, the right side wall bodies of the four second connecting blocks 20 are respectively and fixedly connected with arc buffer heads 21, the telescopic piston 8, the sealing sliding sleeve 6 and the piston rod 2 can be buffered and protected by the mutual matching of the arranged arc buffer grooves 7, the arc buffer heads 21, the second connecting blocks 20, the buffer columns 19, the connecting columns 16 and the buffer springs 18, and the damage to the piston 8, the sealing sliding sleeve 6 or the piston rod 2 caused by the left side impact of the piston 8 and the sealing sliding sleeve 6 is avoided, the outer portion of the left side of the piston 8 is detachably sleeved with a connecting ring 9, the outer side wall body of the connecting ring 9 is fixedly connected with a wear-resistant sealing ring 10, the wear of the piston 8 and the inner wall of the cylinder body 1 can be effectively reduced through the arranged wear-resistant sealing ring 10, so that the service life of the piston 8 is prolonged, the top and bottom wall bodies at the left end of the piston 8 are symmetrically provided with clamping grooves 13, the top and bottom wall bodies at the left end of the inner cavity of the connecting ring 9 are symmetrically and fixedly connected with clamping blocks 12, the two clamping blocks 12 are respectively positioned in the inner cavities of the two clamping grooves 13, the two clamping blocks 12 are respectively matched with the two clamping grooves 13, the right side wall body of the connecting ring 9 is fixedly connected with a lantern ring 11, the outer surface of the lantern ring 11 is provided with two cylindrical clamping grooves 23, the two cylindrical clamping grooves 23 are symmetrically arranged at the top and bottom wall bodies at the right end of the lantern ring 11, and the two cylindrical clamping grooves 23 are respectively matched with the two cylindrical clamping blocks 22, the top on piston 8 right side and the first connecting block 14 of bottom wall body symmetry fixedly connected with, the top symmetry fixedly connected with flexure strip 15 of two first connecting blocks 14, the cylindrical fixture block 22 of left end wall body symmetry fixedly connected with of the relative one side of two flexure strips 15, go-between 9 through setting up, the lantern ring 11, fixture block 12, draw-in groove 13, first connecting block 14, flexure strip 15, cylindrical fixture block 22, cylindrical draw-in groove 23 mutually support and can make things convenient for the dismantlement installation of wear-resisting sealing ring 10, thereby the convenience is changed wear-resisting sealing ring 10, only need change wear-resisting sealing ring 10, need not dismantle the change to piston 8, the life of piston 8 has been increased, the waste of resource has been reduced.

It should be noted that, the utility model is a novel hydraulic cylinder, when in use, the wear-resistant sealing ring 10 is arranged to effectively reduce the wear of the piston 8 and the inner wall of the cylinder body 1, thereby prolonging the service life of the piston 8, and the mutual matching of the connecting ring 9, the lantern ring 11, the fixture block 12, the clamping groove 13, the first connecting block 14, the elastic sheet 15, the cylindrical fixture block 22 and the cylindrical clamping groove 23 can facilitate the disassembly and assembly of the wear-resistant sealing ring 10, thereby facilitating the replacement of the wear-resistant sealing ring 10, specifically, the first fixing ring 4 and the second fixing ring 5 are fixed by the bolt, so the bolt is firstly released and the piston 8 and the sealing sliding sleeve 6 are drawn out from the inner cavity of the cylinder body 1, when the wear-resistant sealing ring 10 is disassembled, the left ends of the two elastic sheets 15 are pulled back, and the two cylindrical fixture blocks 22 are respectively separated from the inner cavities of the two cylindrical clamping grooves 23 under the driving of the two elastic sheets 15, then the two clamping blocks 12 in the inner cavity of the connecting ring 9 slide out of the inner cavities of the two clamping grooves 13 respectively towards the left, so that the disassembly of the wear-resistant sealing ring 10 is completed, the new wear-resistant sealing ring 10 is installed simultaneously, only the wear-resistant sealing ring 10 needs to be replaced, the piston 8 does not need to be disassembled and replaced, the service life of the piston 8 is prolonged, the waste of resources is reduced, the telescopic piston 8, the sealing sliding sleeve 6 and the piston rod 2 can be buffered and protected by the mutual matching of the arc-shaped buffer groove 7, the arc-shaped buffer head 21, the second connecting block 20, the buffer column 19, the connecting column 16 and the buffer spring 18, the damage of the piston 8, the sealing sliding sleeve 6 or the piston rod 2 caused by the left impact of the piston 8 and the sealing sliding sleeve 6 is avoided, and particularly, the piston 8 moves towards the right to drive the arc-shaped buffer head 21 to impact the arc-shaped buffer groove 7 formed in the left wall body of the sealing sliding sleeve 6, the arc-shaped buffer head 21 drives the buffer column 19 to press the buffer spring 18, and the buffer spring 18 generates reverse buffer acting force for protection.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel hydraulic cylinder, includes cylinder body (1), its characterized in that: the cylinder is characterized in that an installation mechanism (3) is arranged on the left side of the cylinder body (1), a piston rod (2) is inserted into an inner cavity of the cylinder body (1), a piston (8) is fixedly connected to the left end of the piston rod (2), a sealing sliding sleeve (6) is inserted into the right end of the inner cavity of the cylinder body (1), a first fixing ring (4) is fixedly connected to the outer wall of the right side of the sealing sliding sleeve (6), a second fixing ring (5) is fixedly connected to the wall of the right side of the cylinder body (1), an arc-shaped buffer groove (7) is formed in the wall of the left side of the sealing sliding sleeve (6), connecting columns (16) are fixedly connected to the peripheral wall of the right side of the piston (8) respectively, buffer grooves (17) are formed in the wall of the right side of the four connecting columns (16) respectively, and buffer springs (18) are fixedly connected to the left side wall of the inner cavity of the four buffer grooves (17) respectively in a transverse direction, the right ends of the inner cavities of the four buffer grooves (17) are respectively and transversely inserted with buffer columns (19), the right ends of the four buffer columns (19) are respectively and fixedly connected with second connecting blocks (20), the right end wall bodies of the four second connecting blocks (20) are respectively and fixedly connected with arc buffer heads (21), the outer part of the left side of the piston (8) is detachably sleeved with a connecting ring (9), the outer side wall body of the connecting ring (9) is fixedly connected with a wear-resistant sealing ring (10), the top and the bottom wall body of the left end of the piston (8) are symmetrically provided with clamping grooves (13), the top and the bottom wall body of the left end of the inner cavity of the connecting ring (9) are symmetrically and fixedly connected with clamping blocks (12), the right side wall body of the connecting ring (9) is fixedly connected with a lantern ring (11), the outer surface of the lantern ring (11) is provided with a cylindrical clamping groove (23), and the top and the bottom wall body on the right side of the piston (8) are symmetrically and fixedly connected with a first connecting block (14), the top of the two first connecting blocks (14) is symmetrically and fixedly connected with elastic pieces (15), and the left end wall body on one side opposite to the elastic pieces (15) is symmetrically and fixedly connected with cylindrical clamping blocks (22).

2. A novel hydraulic ram as claimed in claim 1, wherein: the quantity of arc dashpot (7) is four, and wall body around the left side of sealed sliding sleeve (6) is seted up respectively in four arc dashpots (7) to four arc dashpots (7) respectively with the size and the mutual adaptation in position of four arc buffering heads (21).

3. A novel hydraulic ram as claimed in claim 1, wherein: the left side wall bodies of the four buffer columns (19) are fixedly connected with the right ends of the four buffer springs (18) respectively.

4. A novel hydraulic ram as claimed in claim 1, wherein: the two clamping blocks (12) are respectively positioned in the inner cavities of the two clamping grooves (13), and the two clamping blocks (12) are respectively matched with the two clamping grooves (13).

5. A novel hydraulic ram as claimed in claim 1, wherein: the quantity of cylindrical draw-in groove (23) is two, and top and bottom wall body at the lantern ring (11) right-hand member are seted up to two cylindrical draw-in grooves (23) symmetry to two cylindrical draw-in grooves (23) are respectively with two cylindrical fixture block (22) mutual adaptation.

6. A novel hydraulic ram as claimed in claim 1, wherein: the inner wall of the sealing sliding sleeve (6) is in contact with the outer wall of the piston rod (2).