CN214196819U

CN214196819U - Leakage protection device for oil cylinder

Info

Publication number: CN214196819U
Application number: CN202023051099.8U
Authority: CN
Inventors: 陈长才; 朱健; 朱晓洪
Original assignee: Jiangsu Hengcai Hydraulic Machinery Manufacturing Co ltd
Current assignee: Jiangsu Hengcai Hydraulic Machinery Manufacturing Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-14
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a hydro-cylinder is with leaking protector, including hydro-cylinder main part fixed support board, fixed knot structure and transfer line, the both sides of hydro-cylinder main part are provided with fixed support board, the inside top of hydro-cylinder main part is provided with fixed rectangular block, the inside top of fixed rectangular block is provided with seal structure, seal structure is including sealed piece, sealed metal ring, external screw thread, internal thread, seal groove, sealed pad, sealed post and supporting shoe. The utility model discloses a be provided with seal structure on fixed rectangular block top, then the staff rotates sealed piece, will seal the piece and fix in the inside of fixed rectangular block, then fix the sealed post in the both sides of sealed piece on the inside sealing pad of seal groove, guaranteed that the oil leak can not appear in the junction, then the inside at be provided with sealed metal ring, make the transfer line can not appear taking out the condition of oil at the in-process of moving to sealed effect has been improved.

Description

Leakage protection device for oil cylinder

Technical Field

The utility model relates to a leak protection device technical field specifically is a hydro-cylinder is with leaking protection device.

Background

With the continuous development of society and the continuous progress of science, the application of hydro-cylinder is more and more extensive, and the kind of hydro-cylinder has ordinary hydro-cylinder and hydraulic cylinder etc. and current hydro-cylinder ubiquitous appears, appears the condition of oil leak when carrying out work, influences work efficiency, nevertheless just needs to use a leak protection device for the hydro-cylinder to protect the hydro-cylinder.

The type of devices on the market are various and can basically meet the use requirements of people, but certain problems still exist, and the traditional leakage protection device is poor in sealing effect and relatively weak in practicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydro-cylinder is with leaking protector to propose the not good problem of the sealed effect of leaking protector among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a leakage protection device for an oil cylinder comprises an oil cylinder main body fixing support plate, a fixing structure and a transmission rod, wherein the fixing support plate is arranged on two sides of the oil cylinder main body, a fixed rectangular block is arranged at the top end inside the oil cylinder main body, a sealing structure is arranged at the top end inside the fixed rectangular block and comprises a sealing block, a sealing metal ring, an external thread, an internal thread, a sealing groove, a sealing gasket, a sealing column and a support block, the sealing metal ring is arranged at the middle position of one side of the inner wall of the sealing block, the external thread is arranged on the outer side wall of the bottom end of the sealing block, the internal thread is arranged on one side of the top end of the inner wall of the fixed rectangular block, the sealing groove is formed in each side of the top end of the fixed rectangular block, the sealing gasket is arranged inside the sealing groove, the support blocks are arranged at the bottom ends of the two sides of the sealing structure, the sealing column is arranged on one side of the bottom ends of the support blocks, the sealing post is inserted into the sealing groove, and the transmission rod is inserted into the sealing structure.

Preferably, the top of sealed piece is provided with dustproof construction, dustproof construction includes dust cover, dust guard, fixture block, spacing groove, reset spring, stopper and draw-in groove, the top of sealed piece is provided with the dust guard, the dust cover is installed on the top of dust guard, the both sides of dust guard bottom are provided with the fixture block, the spacing groove has been seted up to the inside of fixture block bottom both sides, one side of spacing groove is provided with reset spring, one side of reset spring is fixed with the spacing block, the draw-in groove has been seted up to the inside of sealed piece top both sides, the fixture block is inserted and is established the inside of advancing the draw-in groove.

Preferably, the sealing metal rings are arranged in two groups, and the two groups of sealing metal rings are symmetrically distributed about a vertical central axis of the sealing structure.

Preferably, the cross-sectional area of the clamping groove is larger than that of the clamping block, and the clamping groove and the clamping block form a clamping structure.

Preferably, the two sides of the inside of the top end of the fixed rectangular block are provided with fixing structures, each fixing structure comprises a fixing column, a fixing groove and a fixing block, the two sides of the inside of the top end of the fixed rectangular block are provided with the fixing grooves, the fixing columns are inserted into the inside of the fixing grooves, and the fixing blocks are arranged at the bottom ends of the fixing columns.

Preferably, one side at fixed rectangular block inner wall top is provided with the internal thread, be provided with the external screw thread on the lateral wall of sealed piece bottom, fixed rectangular block constitutes threaded connection with sealed piece.

Compared with the prior art, the beneficial effects of the utility model are that: the leakage protection device for the oil cylinder not only improves the sealing effect of the leakage protection device, but also simultaneously realizes the fixing of the fixed support plate and the dustproof effect of the oil cylinder;

(1) the sealing structure is arranged at the top end of the fixed rectangular block, then a worker rotates the sealing block to fix the sealing block in the fixed rectangular block, then sealing columns on two sides of the sealing block are fixed on the sealing pad in the sealing groove, so that oil leakage at the joint is avoided, and then the sealing metal ring is arranged in the sealing block, so that the situation that oil is brought out of the transmission rod in the process of moving is avoided, and the sealing effect is improved;

(2) the fixing structures are arranged in the two sides of the top end of the fixed rectangular block, then the fixed rectangular block is inserted into the oil cylinder main body by a worker, then the fixed column is inserted into the fixed groove by the worker, and then the fixed rectangular block and the fixed supporting plate are fixed by the fixed block, so that the fixed structure is fixed in the oil cylinder main body and cannot move, and the fixing effect is improved;

(3) through being provided with dustproof construction on the top at sealed piece, the use of dust cover has prevented that the transfer line from taking the dust into the inside of hydro-cylinder main part in the in-process of motion, influences the result of use, then when needs change dust cover, only need hold the dust guard and upwards exert oneself, and the stopper can drive reset spring and retract to one side when the extrusion of pressurized to thereby give the inside of draw-in groove with the fixture block and come, improved dustproof effect.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of a partially enlarged cross-sectional structure at a in fig. 1 according to the present invention;

fig. 4 is a schematic front view of the dustproof structure of the present invention.

In the figure: 1. a cylinder body; 2. fixing the support plate; 3. a fixed structure; 301. fixing a column; 302. fixing grooves; 303. a fixed block; 4. a sealing structure; 401. a sealing block; 402. sealing the metal ring; 403. an external thread; 404. an internal thread; 405. a sealing groove; 406. a gasket; 407. sealing the column; 408. a support block; 5. a dust-proof structure; 501. a dust cover; 502. a dust-proof plate; 503. a clamping block; 504. a limiting groove; 505. A return spring; 506. a limiting block; 507. a card slot; 6. a transmission rod; 7. and fixing the rectangular block.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a leakage protection device for an oil cylinder comprises an oil cylinder main body 1, a fixed support plate 2, a fixed structure 3 and a transmission rod 6, wherein the fixed support plate 2 is arranged on two sides of the oil cylinder main body 1, a fixed rectangular block 7 is arranged on the top end inside the oil cylinder main body 1, a sealing structure 4 is arranged on the top end inside the fixed rectangular block 7, the sealing structure 4 comprises a sealing block 401, a sealing metal ring 402, external threads 403, internal threads 404, a sealing groove 405, a sealing gasket 406, a sealing column 407 and a support block 408, the sealing metal ring 402 is arranged in the middle position of one side of the inner wall of the sealing block 401, the external threads 403 are arranged on the outer side wall of the bottom end of the sealing block 401, the internal threads 404 are arranged on one side of the top end of the inner wall of the fixed rectangular block 7, the sealing grooves 405 are respectively provided with the sealing grooves 405, the sealing gaskets 406 are arranged inside the sealing grooves 405, the bottom ends of two sides of the sealing structure 4 are respectively provided with the support blocks 408, a sealing post 407 is arranged on one side of the bottom end of the supporting block 408, the sealing post 407 is inserted into the sealing groove 405, and a transmission rod 6 is inserted into the sealing structure 4; two groups of sealing metal rings 402 are arranged, and the two groups of sealing metal rings 402 are symmetrically distributed about the vertical middle axis of the sealing structure 4; an internal thread 404 is arranged on one side of the top end of the inner wall of the fixed rectangular block 7, an external thread 403 is arranged on the outer side wall of the bottom end of the sealing block 401, and the fixed rectangular block 7 and the sealing block 401 form threaded connection;

the sealing structure 4 is arranged at the top end of the fixed rectangular block 7, then a worker rotates the sealing block 401 to fix the sealing block 401 in the fixed rectangular block 7, then the sealing columns 407 on two sides of the sealing block 401 are fixed on the sealing gasket 406 in the sealing groove 405, so that oil leakage at the joint is avoided, and then the sealing metal ring 402 is arranged in the fixed rectangular block 7, so that the transmission rod 6 does not bring out oil in the movement process, and the sealing effect is improved;

the top end of the sealing block 401 is provided with a dustproof structure 5, the dustproof structure 5 comprises a dustproof cover 501, a dustproof plate 502, a fixture block 503, a limiting groove 504, a return spring 505, a limiting block 506 and a clamping groove 507, the top end of the sealing block 401 is provided with the dustproof plate 502, the top end of the dustproof plate 502 is provided with the dustproof cover 501, two sides of the bottom end of the dustproof plate 502 are provided with the fixture block 503, two sides of the bottom end of the fixture block 503 are internally provided with the limiting groove 504, one side of the limiting groove 504 is provided with the return spring 505, one side of the return spring 505 is fixedly provided with the limiting block 506, two sides of the top end of the sealing block 401 are internally provided with the clamping groove 507, and the fixture block 503 is inserted into the clamping groove 507; the cross section area of the clamping groove 507 is larger than that of the fixture block 503, and the clamping groove 507 and the fixture block 503 form a clamping structure;

the dustproof structure 5 is arranged at the top end of the sealing block 401, so that the use of the dustproof cover 501 prevents dust from being brought into the oil cylinder body 1 by the transmission rod 6 in the moving process to influence the use effect, then when the dustproof cover 501 needs to be replaced, only the dustproof plate 502 needs to be held to exert force upwards, and the limiting block 506 drives the return spring 505 to retract to one side when being pressed and extruded, so that the fixture block 503 and the inside of the clamping groove 507 are taken out, and the dustproof effect is improved;

fixed rectangular block 7 top inside both sides are provided with fixed knot and construct 3, and fixed knot constructs 3 including fixed column 301, fixed slot 302 and fixed block 303, and fixed slot 302 has been seted up to fixed rectangular block 7 top inside both sides, and the inside of fixed slot 302 is inserted and is equipped with fixed column 301, and the bottom of fixed column 301 is provided with fixed block 303.

Be provided with fixed knot through the inside at fixed rectangular block 7 top both sides and construct 3, then the staff inserts fixed rectangular block 7 and establishes the inside of hydro-cylinder main part 1, then the staff inserts fixed column 301 the inside of fixed slot 302 again, then reuse fixed block 303 fixes fixed rectangular block 7 and fixed support plate 2 to fix fixed knot structure 3 and make it can not remove in the inside of hydro-cylinder main part 1, thereby improved fixed effect.

The working principle is as follows: firstly, the fixing structures 3 are arranged in the two sides of the top end of the fixed rectangular block 7, then the fixed rectangular block 7 is inserted into the oil cylinder main body 1 by a worker, then the fixed column 301 is inserted into the fixing groove 302 by the worker, and then the fixed rectangular block 7 and the fixed support plate 2 are fixed by the fixing block 303, so that the fixing structures 3 are fixed in the oil cylinder main body 1 and cannot move, and the fixing effect is improved;

then, the sealing structure 4 is arranged at the top end of the fixed rectangular block 7, then a worker rotates the sealing block 401 to fix the sealing block 401 in the fixed rectangular block 7, then sealing columns 407 on two sides of the sealing block 401 are fixed on a sealing gasket 406 in the sealing groove 405, oil leakage at the joint is guaranteed to be avoided, then a sealing metal ring 402 is arranged in the fixed rectangular block 7, so that the situation that oil is brought out of the transmission rod 6 in the movement process is avoided, and the sealing effect is improved;

finally, through being provided with dustproof construction 5 at the top of sealed piece 401, the use of dust cover 501 has prevented that transfer line 6 from taking the dust into the inside of hydro-cylinder main part 1 in the in-process of motion, influences the result of use, then when needing to change dust cover 501, only need hold dust guard 502 and upwards exert oneself, stopper 506 can drive reset spring 505 and retract to one side when the extrusion of pressurized to thereby give the inside of draw-in groove 507 with fixture block 503 and come, improved dustproof effect, final completion work.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a hydro-cylinder is with leaking protector, includes hydro-cylinder main part (1) fixed stay board (2), fixed knot constructs (3) and transfer line (6), its characterized in that: the oil cylinder comprises an oil cylinder body (1), wherein fixed supporting plates (2) are arranged on two sides of the oil cylinder body (1), a fixed rectangular block (7) is arranged at the top end inside the oil cylinder body (1), a sealing structure (4) is arranged at the top end inside the fixed rectangular block (7), the sealing structure (4) comprises a sealing block (401), a sealing metal ring (402), external threads (403), internal threads (404), a sealing groove (405), a sealing gasket (406), a sealing column (407) and a supporting block (408), the sealing metal ring (402) is arranged at the middle position of one side of the inner wall of the sealing block (401), the external threads (403) are arranged on the outer side wall of the bottom end of the sealing block (401), the internal threads (404) are arranged on one side of the top end of the inner wall of the fixed rectangular block (7), the sealing grooves (405) are formed in two sides of the top end, the bottom of seal structure (4) both sides all is provided with supporting shoe (408), one side of supporting shoe (408) bottom is provided with sealed post (407), sealed post (407) are inserted and are established the inside of going into seal groove (405), the inside of seal structure (4) is inserted and is equipped with transfer line (6).

2. The leakage prevention device for the oil cylinder according to claim 1, characterized in that: the top end of the sealing block (401) is provided with a dustproof structure (5), the dustproof structure (5) comprises a dustproof cover (501), a dustproof plate (502), a clamping block (503), a limiting groove (504), a return spring (505), a limiting block (506) and a clamping groove (507), the top end of the sealing block (401) is provided with a dust guard (502), the top end of the dust guard (502) is provided with a dust guard (501), clamping blocks (503) are arranged on two sides of the bottom end of the dustproof plate (502), limiting grooves (504) are formed in the inner portions of two sides of the bottom end of each clamping block (503), a return spring (505) is arranged at one side of the limit groove (504), a limit block (506) is fixed at one side of the return spring (505), clamping grooves (507) are formed in the two sides of the top end of the sealing block (401), and the clamping blocks (503) are inserted into the clamping grooves (507).

3. The leakage prevention device for the oil cylinder according to claim 1, characterized in that: the sealing metal rings (402) are arranged in two groups, and the two groups of sealing metal rings (402) are symmetrically distributed around the vertical middle axis of the sealing structure (4).

4. The leakage prevention device for the oil cylinder according to claim 2, characterized in that: the cross section area of the clamping groove (507) is larger than that of the clamping block (503), and the clamping groove (507) and the clamping block (503) form a clamping structure.

5. The leakage prevention device for the oil cylinder according to claim 1, characterized in that: fixed rectangular block (7) top inside both sides are provided with fixed knot and construct (3), fixed knot constructs (3) including fixed column (301), fixed slot (302) and fixed block (303), fixed slot (302) have been seted up to fixed rectangular block (7) top inside both sides, the inside of fixed slot (302) is inserted and is equipped with fixed column (301), the bottom of fixed column (301) is provided with fixed block (303).

6. The leakage prevention device for the cylinder according to claim 5, wherein: one side on fixed rectangular block (7) inner wall top is provided with internal thread (404), be provided with external screw thread (403) on the lateral wall of sealed piece (401) bottom, fixed rectangular block (7) constitutes threaded connection with sealed piece (401).