CN217950851U

CN217950851U - Multistage sealed hydraulic seal spare

Info

Publication number: CN217950851U
Application number: CN202222477438.1U
Authority: CN
Inventors: 刘晓光; 陈娜宁
Original assignee: Hebei Aosailuo Sealing Material Co ltd
Current assignee: Hebei Aosailuo Sealing Material Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2022-12-02
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a multistage sealed hydraulic seal spare, including the sealing member, sealing member outer wall intermediate position runs through and is provided with first recess, two second spacing collars of first recess inner wall fixedly connected with evenly distributed. The utility model discloses in, also can cooperate the pneumatic cylinder to carry out when stopping the dust of infiltration in first sealing ring and the second sealing ring through first cushion on the annular plate and the second cushion, also can absorb the sewage of infiltration, thereby it is dustproof to carry out the second portion, hug closely piston and cylinder through first inclined plane ring and second inclined plane ring and can prevent effectively that the outside gas from wafting into the sealing member inner wall, thereby it is dustproof to carry out the third step, absorb the greasy dirt on the pneumatic cylinder through the cotton that absorbs water again when dustproof three steps, can effectively improve the high leakproofness of sealing member, avoid the dust to influence the pneumatic cylinder and normally work.

Description

Multistage sealed hydraulic seal spare

Technical Field

The utility model relates to a hydraulic seal spare field especially relates to a multistage sealed hydraulic seal spare.

Background

Although the sealing element is an auxiliary element in hydraulic equipment, the quality of the sealing and sealing device is one of the keys directly influencing the normal operation of the hydraulic system, and the sealing element is also applied to a hydraulic cylinder.

In the working process of the hydraulic cylinder, a sealing element is needed to seal the joint of the piston and the inner wall of the cylinder barrel, but the sealing effect of the existing sealing element for the multistage hydraulic cylinder is poor in the using process, and the loss caused by the failure of the individual sealing element can be ten million times of the value of the sealing element.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multistage sealed hydraulic sealing element.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a multistage sealed hydraulic seal spare, includes the sealing member, sealing member outer wall intermediate position runs through and is provided with first recess, two second spacing collars of first recess inner wall fixedly connected with evenly distributed, sealing member inner wall intermediate position runs through and is provided with the second recess, second recess top and bottom intermediate position run through and are provided with the spacing groove, second recess inner wall is provided with the cotton that absorbs water, the cotton top that absorbs water all is provided with the stopper with the bottom, the equal fixedly connected with annular slab in sealing member top and bottom, the first sealing ring of sealing member top outer wall fixedly connected with, sealing member bottom external diameter fixedly connected with second sealing ring.

As a further description of the above technical solution:

and the limiting blocks are connected with the limiting grooves in a sliding manner.

As a further description of the above technical solution:

and the inner diameter of the bottom of the sealing ring is fixedly connected with a second inclined plane ring.

As a further description of the above technical solution:

the inner diameter of the top of the sealing element is fixedly connected with a first inclined plane ring.

As a further description of the above technical solution:

and the bottom of the annular plate at the top is fixedly connected with a second cushion block.

As a further description of the above technical solution:

the bottom of the annular plate is fixedly connected with a first cushion block.

As a further description of the above technical solution:

the inner wall of the second groove is fixedly connected with two second limiting rings which are uniformly distributed.

The utility model discloses following beneficial effect has:

the utility model discloses in, at first can block the dust of sealing member outer wall top and bottom respectively through first sealing ring and second sealing ring cooperation pneumatic cylinder, thereby it is dustproof to carry out first step, also can cooperate the pneumatic cylinder to carry out the dust of infiltration in first sealing ring and the second sealing ring through first cushion on the crown plate and second cushion when blocking, also can absorb the sewage of infiltration, thereby it is dustproof to carry out second portion, hug closely piston and cylinder through first inclined plane ring and second inclined plane ring and can effectively prevent that outside gas from wafting into the sealing member inner wall, thereby it is dustproof to carry out third step, absorb through the greasy dirt of cotton on the pneumatic cylinder of absorbing water again when dustproof three steps, can effectively improve the high leakproofness of sealing member, avoid the dust to influence the pneumatic cylinder and normally work.

Drawings

Fig. 1 is a perspective view of a multi-stage sealing hydraulic sealing member according to the present invention;

fig. 2 is a front view of a multi-stage sealing hydraulic seal according to the present invention;

fig. 3 is a cross-sectional view of a multi-stage sealing hydraulic seal according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1.

Illustration of the drawings:

1. absorbent cotton; 2. a first bevel ring; 3. a first cushion block; 4. a first seal ring; 5. a first groove; 6. a seal member; 7. a first spacing collar; 8. a second limit ring; 9. a second groove; 10. a second seal ring; 11. a second cushion block; 12. a second bevel ring; 13. an annular plate; 14. a limiting groove; 15. and a limiting 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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a hydraulic sealing element with multi-stage sealing comprises a sealing element 6, a first groove 5 penetrates through and is arranged in the middle of the outer wall of the sealing element 6, two second limiting rings are fixedly connected to the inner wall of the first groove 5 and are uniformly distributed, a second groove 9 penetrates through and is arranged in the middle of the inner wall of the sealing element 6, a limiting groove 14 penetrates through and is arranged in the middle of the top and the bottom of the second groove 9, absorbent cotton 1 is arranged on the inner wall of the second groove 9, limiting blocks 15 are arranged at the top and the bottom of the absorbent cotton 1, annular plates 13 are fixedly connected to the top and the bottom of the sealing element 6, a first sealing ring 4 is fixedly connected to the outer wall of the top of the sealing element 6, a second sealing ring 10 is fixedly connected to the outer diameter of the bottom of the sealing element 6, the joint of a piston and the inner wall of a cylinder barrel is sealed through the sealing element 6, and the two ends of the sealing element 6 are respectively attached to the piston and the cylinder barrel, can block the dust of 6 outer walls tops of sealing member and bottom respectively through first sealing ring 4 and the cooperation pneumatic cylinder of second sealing ring 10, thereby it is dustproof to carry out first step, also can cooperate the pneumatic cylinder to block the dust of infiltration in first sealing ring 4 and the second sealing ring 10 through first cushion 3 and the second cushion 11 on the annular plate 13, also can absorb the sewage of infiltration, thereby it is dustproof to carry out second portion, hug closely piston and cylinder through first inclined plane ring 2 and second inclined plane ring 12 and can effectively prevent that outside gas from wafting into in the inner wall of sealing member 6, thereby it is dustproof to carry out the third step, absorb the greasy dirt on the pneumatic cylinder through cotton 1 that absorbs water again through dustproof while of three steps, can effectively improve the high leakproofness of sealing member 6, avoid the dust to influence the pneumatic cylinder and normally work.

Sliding connection between stopper 15 and spacing groove 14, sealing ring bottom internal diameter fixedly connected with second inclined plane ring 12, the first inclined plane ring of 6 top internal diameter fixedly connected with of sealing member 2, top annular plate 13 bottom fixedly connected with second cushion 11, the first cushion 3 of 13 top fixedly connected with of bottom annular plate, two second spacing collars 8 of second recess 9 inner wall fixedly connected with evenly distributed, when sealing member 6 receives the extrusion, through first spacing collar 7, second spacing collar 8 can prevent effectively that sealing member 6 from taking place deformation with annular plate 13, and spacing groove 14 is spacing through stopper 15, when making sealing member 6 receive the extrusion, cotton 1 that absorbs water is difficult for popping out from first recess 5.

The working principle is as follows: the joint of the piston and the inner wall of the cylinder barrel is sealed through the sealing piece 6, the two ends of the sealing piece 6 are respectively attached to the piston and the cylinder barrel at the moment, the top and the bottom of the outer wall of the sealing piece 6 can be respectively blocked through the first sealing ring 4 and the second sealing ring 10 which are matched with the hydraulic cylinder, the first step of dust prevention is carried out, the first cushion block 3 and the second cushion block 11 on the annular plate 13 can also be matched with the hydraulic cylinder to block the dust permeating into the first sealing ring 4 and the second sealing ring 10, the permeated sewage can be absorbed, the second step of dust prevention is carried out, the piston and the cylinder barrel are tightly attached through the first inclined plane ring 2 and the second inclined plane ring 12, the external gas can be effectively prevented from floating into the inner wall of the sealing piece 6, the third step of dust prevention is carried out, the oil stain on the hydraulic cylinder is absorbed through the absorbent cotton 1 when the third step of dust prevention, the high sealing piece 6 tightness can be effectively improved, when the sealing piece 6 is extruded, the sealing piece 6 is easily ejected from the first limiting groove 5 through the first limiting ring 7, the second limiting ring 8 and the second limiting ring 13.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multistage sealing hydraulic seal comprising a seal (6), characterized in that: sealing member (6) outer wall intermediate position runs through and is provided with first recess (5), two second spacing collars of first recess (5) inner wall fixedly connected with evenly distributed, sealing member (6) inner wall intermediate position runs through and is provided with second recess (9), second recess (9) top runs through and is provided with spacing groove (14) with bottom intermediate position, second recess (9) inner wall is provided with cotton (1) that absorbs water, cotton (1) top and bottom all are provided with stopper (15) absorb water, the equal fixedly connected with annular slab (13) in sealing member (6) top and bottom, the first sealing ring of sealing member (6) top outer wall fixedly connected with (4), sealing member (6) bottom external diameter fixedly connected with second sealing ring (10).

2. The multi-stage sealing hydraulic seal of claim 1, wherein: the limiting block (15) is connected with the limiting groove (14) in a sliding mode.

3. The multi-stage sealing hydraulic seal of claim 1, wherein: and the inner diameter of the bottom of the sealing ring is fixedly connected with a second inclined plane ring (12).

4. The multi-stage sealing hydraulic seal of claim 1, wherein: the inner diameter of the top of the sealing element (6) is fixedly connected with a first inclined plane ring (2).

5. The multi-stage sealing hydraulic seal of claim 1, wherein: the top of the annular plate (13) is fixedly connected with a second cushion block (11).

6. The multi-stage sealing hydraulic seal of claim 1, wherein: the top of the annular plate (13) at the bottom is fixedly connected with a first cushion block (3).

7. The multi-stage sealing hydraulic seal of claim 1, wherein: the inner wall of the second groove (9) is fixedly connected with two second limiting rings (8) which are uniformly distributed.