CN211259651U

CN211259651U - Single-action dust-proof sealing piece

Info

Publication number: CN211259651U
Application number: CN201922271317.XU
Authority: CN
Inventors: 徐亭; 马卫; 刘堃; 陈颖; 左凯
Original assignee: UTEC (SUZHOU) SEALING TECHNOLOGY CO LTD
Current assignee: UTEC (SUZHOU) SEALING TECHNOLOGY CO LTD
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-14
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a single-action dust sealing spare, including sealing member body and support ring, the sealing member body is from last down including top contact jaw, intermediate junction end and bottom contact jaw in proper order, defective portion has been seted up on the right side of top contact jaw, the right side of bottom contact jaw is connected and is provided with the rake, the support ring includes left contact jaw and right contact jaw, the bottom inboard of left contact jaw and right contact jaw is provided with the recess, in the recess was inlayed and is established to the top contact jaw, and be provided with the clearance between recess and the top contact jaw, left contact jaw contacted the setting with the left side of sealing member body, right contact jaw inlays and establishes. The utility model discloses a structure setting that sealing member body and support ring contacted each other and set up has the support ring of anti extrusion skeleton, and the mounting means of the open slot of axial can prevent effectively that outside dust and impurity from getting into, and antifriction performance is better, can prevent effectively that oxidation phenomenon can not appear between slot and the sealing member.

Description

Single-action dust-proof sealing piece

Technical Field

The utility model relates to a mechanical seal technical field that is relevant especially relates to a single-action dust sealing spare.

Background

With the development of modern industry, the complexity of working conditions and the appearance of various hydraulic or pneumatic devices, the importance of mechanical device sealing is self-evident, and the importance of the mechanical device sealing is critical in industrial production, which determines the transmission performance of fluid and gas and the quality of sealing products in industrial automation. The sealing assembly in the prior art has poor friction resistance and is easily polluted by external dust and impurities.

In view of the above-mentioned drawbacks, the present designer has made active research and innovation to create a single-acting dustproof sealing member, which has industrial application value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a single-action dust seal.

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

the utility model provides a single action dust sealing spare, including sealing member body and support ring, sealing member body and support ring mutual contact set up, the sealing member body is from last down including top contact jaw in proper order, intermediate junction end and bottom contact jaw, the top both ends of top contact jaw all are provided with first chamfer, defective portion has been seted up on the right side of top contact jaw, the right side connection of bottom contact jaw is provided with the rake, the support ring includes left contact jaw and right contact jaw, the bottom inboard of left contact jaw and right contact jaw is provided with the recess, in the recess was established into in the top contact jaw inlays, and be provided with the clearance between recess and the top contact jaw, left side contact jaw contacts the setting with the left side of sealing member body.

As a further improvement, the second chamfer has been all seted up at the top both ends of support ring.

As a further improvement, the third chamfer is arranged outside the bottom of the left contact end of the support ring.

As a further improvement, the bottom of the bottom contact end is provided with a fourth chamfer.

As a further improvement, the first chamfer, the second chamfer, the third chamfer and the fourth chamfer are 45 degrees angles.

As a further improvement, the top contact end, the middle connecting end, the bottom contact end and the inclined part are integrally formed.

As a further improvement of the utility model, the bottom of the left contact jaw of support ring is parallel to the bottom of the sealing member body.

As a further improvement of the utility model, the bottom of the right contact end is parallel to the bottom of the defect part.

As a further improvement of the utility model, the rake includes top slope limit and bottom slope limit, and the contained angle between top slope limit and the horizontal direction is 45 degrees, and the contained angle between bottom slope limit and the horizontal direction is 30 degrees.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

the utility model discloses single-action dust sealing spare through the structure setting that sealing member body and support ring contacted each other and set up, has the support ring of anti extrusion skeleton, and the mounting means of the open slot of axial can prevent effectively that outside dust and impurity from getting into, and antifriction performance is better, can prevent effectively that oxidation phenomenon can not appear between slot and the sealing member.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a first embodiment of a single-acting dust seal of the present invention;

FIG. 2 is a schematic view of the structure of the support ring of FIG. 1;

FIG. 3 is a schematic structural view of the seal body of FIG. 1;

FIG. 4 is a schematic structural view of a second embodiment of a single-acting dust seal of the present invention;

FIG. 5 is a schematic view of the structure of the support ring of FIG. 2;

fig. 6 is a schematic view of the structure of the seal body of fig. 2.

In the drawings, the meanings of the reference numerals are as follows.

1 sealing element body 2 support ring

3 gap 4 left contact end

5 groove 6 right contact end

7 bottom contact end 8 first chamfer

9 top contact end 10 defect

11 intermediate connection end 12 inclined part

13 second chamfer 14 third chamfer

15 fourth chamfer

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the 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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in figures 1 to 6 of the drawings,

the utility model provides a single-action dust sealing spare, including sealing member body 1 and support ring 2, sealing member body 1 and support ring 2 mutual contact set up, sealing member body 1 down includes top contact jaw 9 from last, intermediate junction end 11 and bottom contact jaw 7, the top both ends of top contact jaw 9 all are provided with first chamfer 8, defective portion 10 has been seted up on the right side of top contact jaw 9, the right side of bottom contact jaw 7 is connected and is provided with rake 12, support ring 2 includes left contact jaw 4 and right contact jaw 6, the bottom inboard of left contact jaw 4 and right contact jaw 6 is provided with recess 5, top contact jaw 9 inlays and establishes in recess 5, and be provided with clearance 3 between recess 5 and the top contact jaw 9, left side contact jaw 4 contacts the setting with the left side of sealing member body 1, right contact jaw 6 inlays and establishes in defective portion 10.

Preferably, the top both ends of support ring 2 are all seted up second chamfer 13.

Preferably, the outer side of the bottom of the left contact end 4 of the support ring 2 is provided with a third chamfer 14.

Preferably, the bottom of the bottom contact end 7 is provided with a fourth chamfer 15.

Preferably, the first chamfer 8, the second chamfer 13, the third chamfer 14 and the fourth chamfer 15 are all at a 45 degree angle.

Preferably, the top contact end 9, the intermediate connection end 11, the bottom contact end 7 and the inclined portion 12 are integrally formed.

Preferably, the bottom of the left contact end 4 of the support ring 2 is arranged parallel to the bottom of the seal body 1.

Preferably, the bottom of the right contact terminal 6 is disposed parallel to the bottom of the defect 10.

Preferably, the inclined portion 12 includes a top inclined edge and a bottom inclined edge, the angle between the top inclined edge and the horizontal direction is 45 degrees, and the angle between the bottom inclined edge and the horizontal direction is 30 degrees.

The utility model discloses single-action dust sealing spare through the structure setting that sealing member body 1 and support ring 2 contacted each other and set up, has the support ring 2 of anti extrusion skeleton, and the mounting means of the open slot of axial can prevent effectively that outside dust and impurity from getting into, and antifriction performance is better, can prevent effectively that oxidation phenomenon can not appear between slot and the sealing member.

As shown in fig. 1, the first embodiment of the present invention:

As shown in fig. 2, the second embodiment of the present invention:

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The single-action dustproof sealing element is characterized by comprising a sealing element body (1) and a supporting ring (2), wherein the sealing element body (1) and the supporting ring (2) are arranged in a mutual contact mode, the sealing element body (1) sequentially comprises a top contact end (9), a middle connecting end (11) and a bottom contact end (7) from top to bottom, first chamfers (8) are arranged at two ends of the top contact end (9), a defect part (10) is formed in the right side of the top contact end (9), an inclined part (12) is connected and arranged on the right side of the bottom contact end (7), the supporting ring (2) comprises a left contact end (4) and a right contact end (6), a groove (5) is formed in the inner sides of the bottoms of the left contact end (4) and the right contact end (6), and the top contact end (9) is embedded into the, and a gap (3) is arranged between the groove (5) and the top contact end (9), the left contact end (4) is arranged in contact with the left side of the sealing element body (1), and the right contact end (6) is embedded into the defect part (10).

2. A single-acting dust seal as claimed in claim 1, characterized in that the support ring (2) is provided with second chamfers (13) at both ends of the top portion.

3. A single-acting dust seal as claimed in claim 1, characterized in that the support ring (2) is provided with a third chamfer (14) on the outside of the bottom of the left contact end (4).

4. A single-acting dust seal as claimed in claim 1, characterized in that the bottom of the bottom contact end (7) is provided with a fourth chamfer (15).

5. A single-acting dust seal as claimed in any one of claims 1 to 4, characterised in that the first chamfer (8), the second chamfer (13), the third chamfer (14) and the fourth chamfer (15) are all at 45 degrees.

6. A single-acting dust seal as claimed in claim 1, wherein the top contact end (9), the intermediate connection end (11), the bottom contact end (7) and the inclined portion (12) are provided in an integral structure.

7. A single-acting dust seal according to claim 1, characterized in that the bottom of the left contact end (4) of the support ring (2) is arranged parallel to the bottom of the seal body (1).

8. A single-acting dust seal as claimed in claim 1, wherein the bottom of the right contact end (6) is arranged parallel to the bottom of the defect (10).

9. A single-acting dust seal as claimed in claim 1, wherein the inclined portion (12) comprises a top inclined edge and a bottom inclined edge, the top inclined edge being at an angle of 45 degrees to the horizontal and the bottom inclined edge being at an angle of 30 degrees to the horizontal.