CN215060342U

CN215060342U - Sealing structure of straight sleeve type oil pipe structure

Info

Publication number: CN215060342U
Application number: CN202121167254.4U
Authority: CN
Inventors: 刘炎生; 罗永达; 阙华声
Original assignee: Xiamen Yusin Machinery Industry Co ltd
Current assignee: Xiamen Yusin Machinery Industry Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-07
Anticipated expiration: 2031-05-28

Abstract

The utility model provides a sealing structure of a straight sleeve type oil pipe structure, which comprises a cylinder body, an oil pipe body sleeved on the cylinder body, a sealing ring arranged between the cylinder body and the oil pipe body, and a fixing device used for limiting the oil pipe body on the cylinder body; the fixing device comprises an elastic clamp, a supporting block, a moving block and a bolt, wherein the elastic clamp surrounds the outer side wall of the oil pipe body, two ends of the elastic clamp are mutually crossed, the supporting block is arranged at one end of the elastic clamp, the moving block is arranged at the other end of the elastic clamp, and the bolt is used for driving the supporting block and the moving block to be away from or close to each other; the sealing structure of the utility model realizes that the oil pipe body is arranged on the cylinder body by arranging the fixing structure, and realizes the clamping and sealing of the elastic clamp when the supporting block and the moving block can be driven to be away from each other by the bolt; by adopting the structure, the elastic clamp can be used for ensuring sealing, the situation that the clamping force is reduced due to deformation of the steel plate clamp is effectively avoided, and the service life of a product is greatly prolonged.

Description

Sealing structure of straight sleeve type oil pipe structure

Technical Field

The utility model relates to an oil pipe sealing's technical field, especially a seal structure of straight set formula oil pipe structure.

Background

Referring to fig. 1 and 2, a sealing structure of a conventional straight-sleeve type oil pipe structure is disclosed, in which a steel plate clip 40' is sleeved on an outer side wall of an oil pipe body, and a sealing ring is disposed on an upper end surface of a step portion, the sealing structure is sealed only by tension of the steel plate clip, the steel plate clip is expanded for a long time and deformed to reduce a clamping force, so that a sealing effect of a product fails to cause leakage of a brake fluid from a product oil pipe joint, and a sealing structure of the conventional straight-sleeve type oil pipe structure is provided

In view of the above, the present invention provides a sealing structure of a straight casing type oil pipe structure, and the sealing structure is produced by the present invention.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the technical scheme of the utility model is as follows:

a sealing structure of a straight sleeve type oil pipe structure comprises a cylinder body, an oil pipe body sleeved on the cylinder body, a sealing ring arranged between the cylinder body and the oil pipe body, and a fixing device used for limiting the oil pipe body on the cylinder body;

the fixing device comprises elastic clamps, supporting blocks, moving blocks and bolts, wherein the elastic clamps are arranged around the outer side wall of the oil pipe body and are arranged at two ends of the outer side wall of the oil pipe body in a mutually crossed mode, the supporting blocks are arranged at one ends of the elastic clamps, the moving blocks are arranged at the other ends of the elastic clamps, the bolts are used for driving the supporting blocks and the moving blocks to be away from or close to each other, and when the supporting blocks and the moving blocks are away from each other, clamping and sealing of the elastic clamps are achieved.

Furthermore, the elastic clamp comprises two annular rings which are symmetrically arranged, two ends of each annular ring are arranged in a crossed mode, one end, located on the inner side, of each annular ring is connected with the supporting block, and one end, located on the outer side, of each annular ring is connected with the moving block.

Furthermore, two the annular ring formula structure as an organic whole, through a metal pole machine-shaping, and two the annular ring is located inboard one end and passes through arc portion transitional coupling.

Furthermore, one end of the annular ring, which is positioned at the outer side, is provided with a bending part connected with the moving block.

Further, the supporting shoe includes that the supporting part that is used for the screw rod to lean on, set up between two annular rings and with the spacing portion of arc portion complex.

Furthermore, the upper end face of the supporting block is parallel or nearly parallel to the lower end face of the moving block.

Further, the bolt is in threaded connection with the moving block, penetrates through the lower end face of the moving block and abuts against the upper end face of the supporting block, the bolt is rotated repeatedly, and the lower end face of the moving block is close to/far away from the upper end face of the supporting block.

Furthermore, the cylinder body is provided with a step part matched with the oil pipe body, and the oil pipe body is provided with a sleeve part matched with the step part.

Furthermore, a first annular groove is formed in the outer side wall of the opening of the step portion, and a second annular groove for sleeving the elastic clamp is formed in the outer side wall of the sleeve portion.

Further, the bolt head is provided with a rotating part for rotation.

The sealing structure of the utility model realizes that the oil pipe body is arranged on the cylinder body by arranging the fixing structure, the fixing device is provided with the elastic clamp which surrounds the outer side wall of the oil pipe body and is arranged with two ends crossed with each other, the supporting block and the moving block which are arranged at two ends of the elastic clamp are positioned, and when the supporting block and the moving block can be driven to be away from each other by utilizing the bolt, the clamping and sealing of the elastic clamp are realized; by adopting the structure, the elastic clamp can be used for ensuring sealing, the situation that the clamping force is reduced due to deformation of the steel plate clamp is effectively avoided, and the service life of a product is greatly prolonged.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Wherein:

FIG. 1 is a prior art seal configuration of the present invention;

FIG. 2 is a schematic structural view of a conventional steel plate clip of the present invention;

fig. 3 is a schematic view of the sealing structure of the present invention;

fig. 4 is an enlarged view of a portion of fig. 3 according to the present invention;

fig. 5 is a top view of the fixing structure of the present invention;

fig. 6 is a front view of the fixing structure of the present invention.

Description of reference numerals:

10. a cylinder body; 11. a step portion; 111. a first annular groove; 20. an oil pipe body; 21. a sleeve portion; 211. a second annular groove; 30. a seal ring; 40. a fixing device; 41. an elastic clip; 411. an annular ring; 412. an arc-shaped portion; 413. a bending part; 42. a support block; 421. a support portion; 422. a limiting part; 43. a moving block; 44. a bolt; 441. a rotating part; 40' and steel plate clips.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 3 to 6, a sealing structure of a straight-sleeve type oil pipe structure according to a preferred embodiment of the present invention includes a cylinder body 10, an oil pipe body 20 sleeved on the cylinder body 10, a sealing ring 30 disposed between the cylinder body 10 and the oil pipe body 20, and a fixing device 40 for limiting the oil pipe body 20 on the cylinder body 10.

The fixing device 40 comprises an elastic clamp 41 which surrounds the outer side wall of the oil pipe body 20 and is provided with two ends which are mutually crossed, a supporting block 42 which is arranged at one end of the elastic clamp 41, a moving block 43 which is arranged at the other end of the elastic clamp 41, and a bolt 44 which is used for driving the supporting block 42 and the moving block 43 to be away from or close to each other, wherein the upper end surface of the supporting block 42 is parallel or nearly parallel to the lower end surface of the moving block 43; when the supporting block 42 and the moving block 43 are away from each other, the clamping seal of the resilient clamp 41 is achieved.

The elastic clip 41 includes two symmetrically disposed annular rings 411, two ends of the annular rings 411 are crossed, one end of each of the two annular rings 411 located at the inner side is connected to the supporting block 42, and one end located at the outer side is connected to the moving block 43. Preferably, the two annular rings 411 are of an integral structure and are formed by machining through a metal rod, and one ends of the two annular rings 411 at the inner side are in transitional connection through an arc-shaped part 412; one end of the annular ring 411 positioned at the outer side is provided with a bending part 413 which is connected with the moving block 43.

The supporting block 42 comprises a supporting portion 421 for the screw to abut against, and a limiting portion 422 arranged between the two annular rings 411 and matched with the arc portion 412; just the utility model discloses a bolt 44 and supporting shoe 42 can be the integral type structure, and when both formula structures as an organic whole, during rotatory bolt 44, drive supporting shoe 42 and rotate in the lump, supporting shoe 42 is located between two rings 411 this moment and arc portion 412 normal running fit.

The bolt 44 is in threaded connection with the moving block 43, the bolt 44 penetrates through the lower end face of the moving block 43 and abuts against the upper end face of the supporting block 42, the bolt 44 is repeatedly rotated, and the lower end face of the moving block 43 is close to/far away from the upper end face of the supporting block 42.

The utility model discloses the preferred mode of setting of sealing washer 30 does: the sealing ring 30 is sleeved on the outer side wall of the cylinder body 10 and positioned on the inner side wall of the oil pipe body 20, and an O-shaped sealing ring 30 is adopted; specifically, a step portion 11 for being matched with the oil pipe body 20 is arranged on the cylinder body 10, a sleeve portion 21 matched with the step portion 11 is arranged on the oil pipe body 20, a first annular groove 111 is arranged on the outer side wall of an opening of the step portion 11, and a second annular groove 211 for sleeving the elastic clamp 41 is arranged on the outer side wall of the sleeve portion 21. Therefore the utility model discloses a sealing structure of O type sealing washer 30+ fixing device 40, not only elasticity presss from both sides 41 guarantees sealedly (avoid steel sheet clamp 40' to lead to the clamp force to diminish because of deformation), but also vertically still has O type sealing washer 30, improves product life greatly

The head of the bolt 44 is provided with a rotating part 441 for rotation, when the bolt needs to be locked or loosened, the rotating part 441 can be directly rotated to realize quick installation and disassembly, and when the bolt cannot be disassembled manually, the bolt can be disassembled by using a wrench.

To sum up, the sealing structure of the utility model realizes that the oil pipe body is arranged on the cylinder body by arranging the fixing structure, the fixing device is provided with the elastic clamp which surrounds the outer side wall of the oil pipe body and is arranged with two ends crossed with each other, the supporting block and the moving block which are arranged at two ends of the elastic clamp are arranged, and when the supporting block and the moving block can be driven to be away from each other by the bolt, the clamping and sealing of the elastic clamp are realized; by adopting the structure, the elastic clamp can be used for ensuring sealing, the situation that the clamping force is reduced due to deformation of the steel plate clamp is effectively avoided, and the service life of a product is greatly prolonged.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims

1. A sealing structure of a straight sleeve type oil pipe structure is characterized by comprising a cylinder body (10), an oil pipe body (20) sleeved on the cylinder body (10), a sealing ring (30) arranged between the cylinder body (10) and the oil pipe body (20), and a fixing device (40) used for limiting the oil pipe body (20) on the cylinder body (10);

the fixing device (40) comprises an elastic clamp (41) which surrounds the outer side wall of the oil pipe body (20) and is provided with two ends which are mutually crossed, a supporting block (42) arranged at one end of the elastic clamp (41), a moving block (43) arranged at the other end of the elastic clamp (41), and a bolt (44) which is used for driving the supporting block (42) and the moving block (43) to be mutually far away or close.

2. The sealing structure of the straight sleeve type oil pipe structure according to claim 1, wherein the elastic clamp (41) comprises two symmetrically arranged annular rings (411), two ends of the annular rings (411) are arranged in a crossed manner, one end of each annular ring (411) on the inner side is connected with the supporting block (42), and one end of each annular ring (411) on the outer side is connected with the moving block (43).

3. The sealing structure of a straight sleeve type oil pipe structure according to claim 2, wherein the two annular rings (411) are of an integral structure and are formed by machining through a metal rod, and the two annular rings (411) are connected at one end of the inner side in a transition mode through an arc-shaped part (412).

4. The sealing structure of the straight sleeve type oil pipe structure according to claim 2, wherein one end of the annular ring (411) on the outer side is provided with a bent part (413) connected with the moving block (43).

5. The seal structure of a straight casing type oil pipe structure according to claim 3, wherein the support block (42) comprises a support portion (421) for the screw rod to abut against, and a limit portion (422) arranged between the two annular rings (411) and matched with the arc portion (412).

6. The seal structure of a straight sleeve type oil pipe structure according to claim 1, wherein the upper end face of the supporting block (42) and the lower end face of the moving block (43) are parallel.

7. The seal structure of a straight sleeve type oil pipe structure according to claim 1, wherein the bolt (44) is in threaded connection with the moving block (43), the bolt (44) passes through the lower end face of the moving block (43) and abuts against the upper end face of the supporting block (42), the bolt (44) is repeatedly rotated, and the lower end face of the moving block (43) is close to/far from the upper end face of the supporting block (42).

8. The seal structure of a straight casing type oil pipe structure according to claim 1, wherein a step portion (11) for engaging with an oil pipe body (20) is provided on the cylinder body (10), and a sleeve portion (21) for engaging with the step portion (11) is provided on the oil pipe body (20).

9. The seal structure of a straight sleeve type oil pipe structure according to claim 8, wherein a first annular groove (111) is provided on the outer side wall of the opening of the step portion (11), and a second annular groove (211) for sleeving the elastic clip (41) is provided on the outer side wall of the sleeve portion (21).

10. The seal structure of a straight sleeve type oil pipe structure according to claim 1, wherein the head of the bolt (44) is provided with a rotating portion (441) for rotation.