CN211525516U

CN211525516U - Foldable sealing element

Info

Publication number: CN211525516U
Application number: CN201922070478.2U
Authority: CN
Inventors: 卢伟; 文彦军
Original assignee: Xi'an Gretel Precision Machinery Co ltd
Current assignee: Xi'an Gretel Precision Machinery Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-18
Anticipated expiration: 2029-11-26

Abstract

The utility model provides a folded cascade sealing member. Folded cascade sealing member, including outer sealing member and inner seal member, be provided with folding portion between outer sealing member and the inner seal member, joint after folding portion between outer sealing member and the inner seal member, outer sealing member includes the external seal body, the inner wall from the top down of external seal body fixed mounting in proper order has sealed snap ring and sealed fender ring. The utility model discloses outer sealing member and interior sealing member can be through folding portion folding to constitute a complete sealing member, and when this sealing member was used at the port position of pipeline, joint structure through between outer sealing member and the interior sealing member formed a plurality of seal structure, the sealed effect of sealing member has been guaranteed, utilize the design of structure on the outer sealing member simultaneously, thereby can extrude the laminating nature that improves between outer sealing member and the interior sealing member to connecting the position, thereby further improved the leakproofness, consequently, be fit for using on the pipeline.

Description

Foldable sealing element

Technical Field

The utility model relates to a sealing member field especially relates to a folded cascade sealing member.

Background

The seal is a material or a part that prevents fluid or solid particles from leaking from between adjacent bonding surfaces and prevents foreign substances such as dust and moisture from intruding into parts inside the machine equipment. The conventional sealing element is made of rubber and plastic materials, has elasticity and compressibility, and is a part of other types of sealing elements such as mechanical sealing elements, but the rubber and plastic sealing element is mainly applied.

Present rubber and plastic sealing member is used in pipe connection spare, a complete pipeline is formed by numerous pipeline equipment concatenations, because the inside of pipeline needs the transported substance, mainly be liquid, consequently there is certain requirement to the leakproofness of pipeline connection position, sealed effect need be played with the help of the sealing member usually, but most rubber and plastic sealing member structure at present is all single, can only directly set up the sealing member in the port department of pipeline when facing pipe connection and play sealed effect, in order to improve the leakproofness, partial sealing member can adopt thickening or design seal structure further to improve sealed effect, but its effect is not ideal.

Therefore, it is necessary to provide a foldable sealing member to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a folded cascade sealing member has solved the problem of proposing among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a pair of folded cascade sealing member, including outer sealing member and inner seal, be provided with the folding portion between outer sealing member and the inner seal, through folding back joint of folding portion between outer sealing member and the inner seal.

The outer seal piece comprises an outer seal body, a seal snap ring and a seal retaining ring are sequentially and fixedly mounted on the inner wall of the outer seal body from top to bottom, a seal supporting groove is formed in the inner wall of the outer seal body and located below the seal snap ring, an outer attaching surface is arranged on the inner ring of the seal retaining ring, and a bottom extrusion groove is formed in the bottom of the seal retaining ring.

The inner sealing piece comprises an inner sealing body, a sealing support ring is fixedly mounted on the inner wall of the inner sealing body, a sealing clamping groove is formed in the inner wall of the inner sealing body and located below the sealing support ring, and an inner attaching surface is arranged at the top of the inner sealing body.

Preferably, the outer sealing element and the inner sealing element are of an integrally formed structure.

Preferably, sealed snap ring and the mutual joint of sealed draw-in groove and closely laminating, sealed support ring and the mutual joint of sealed support groove and closely laminating, the top surface of sealed support ring contacts with the ground of sealed snap ring.

Preferably, the sealing support ring and the sealing support groove are both arc-shaped at the head part.

Preferably, the top of the inner sealing body is in contact with the top of the sealing baffle ring, and the outer attaching surface is attached to the inner attaching surface.

Preferably, the bottom of the outer sealing body is provided with an annular channel, and the inside of the outer sealing body is provided with two side extrusion grooves communicated with the inside of the annular channel.

Compared with the prior art, the utility model provides a folded cascade sealing member has following beneficial effect:

the utility model provides a folded cascade sealing member, external seal spare and interior sealing member can be folded through folding portion, thereby constitute a complete sealing member, and when this sealing member was used at the port position of pipeline, joint structure through between external seal spare and the interior sealing member formed a plurality of seal structure, the sealed effect of sealing member has been guaranteed, utilize the design of structure on the external seal spare simultaneously, thereby can extrude the laminating nature that improves between external seal spare and the interior sealing member to connecting the position, thereby further improved the leakproofness, consequently, be fit for using on the pipeline.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective sectional view of the structure of the present invention;

fig. 3 is a sectional view of the structure of the present invention.

Reference numbers in the figures: 1. an outer seal; 101. an outer seal body; 102. sealing the snap ring; 103. a sealing baffle ring; 104. sealing the support groove; 105. an outer bonding surface; 106. a bottom extrusion groove; 107. an annular channel; 108. a lateral extrusion groove; 2. an inner seal; 201. an inner seal body; 202. a sealing support ring; 203. sealing the clamping groove; 204. an inner joint surface; 3. a folding part.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a perspective view of the present invention; FIG. 2 is a perspective sectional view of the structure of the present invention; fig. 3 is a sectional view of the structure of the present invention. A foldable sealing element comprises an outer sealing element 1 and an inner sealing element 2, wherein a folding part 3 is arranged between the outer sealing element 1 and the inner sealing element 2, and the outer sealing element 1 and the inner sealing element 2 are clamped after being folded through the folding part 3.

The outer sealing element 1 comprises an outer sealing body 101, a sealing snap ring 102 and a sealing baffle ring 103 are sequentially and fixedly mounted on the inner wall of the outer sealing body 101 from top to bottom, a sealing support groove 104 is formed in the inner wall of the outer sealing body 101 and located below the sealing snap ring 102, an outer attaching surface 105 is arranged on the inner ring of the sealing baffle ring 103, and a bottom extrusion groove 106 is formed in the bottom of the sealing baffle ring 103.

The inner sealing element 2 comprises an inner sealing body 201, a sealing support ring 202 is fixedly mounted on the inner wall of the inner sealing body 201, a sealing clamping groove 203 is formed in the inner wall of the inner sealing body 201 and located below the sealing support ring 202, and an inner attaching surface 204 is arranged at the top of the inner sealing body 201.

In this embodiment, outer sealing member 1 and interior sealing member 2 can be folded through folding portion 3 to constitute a complete sealing member, and when this sealing member was used in the port position of pipeline, a plurality of seal structure were formed through the joint structure between outer sealing member 1 and the interior sealing member 2, the sealed effect of sealing member had been guaranteed, utilize the design of structure on the outer sealing member 1 simultaneously, thereby can extrude the laminating nature that improves between outer sealing member 1 and the interior sealing member 2 to the junction, thereby further improved leakproofness, consequently, be fit for using on the pipeline.

Specifically, the outer seal member 1 and the inner seal member 2 are of an integrally molded structure.

In this embodiment, outer sealing member 1 and inner sealing member 2 are all through mould injection moulding by the rubber and plastic material, and it is the same with current rubber and plastic sealing member preparation method, have guaranteed the joint strength between outer sealing member 1 and the inner sealing member 2.

Specifically, the sealing snap ring 102 and the sealing snap groove 203 are clamped and tightly attached to each other, the sealing support ring 202 and the sealing support groove 104 are clamped and tightly attached to each other, and the top surface of the sealing support ring 202 is in contact with the ground of the sealing snap ring 102.

In this embodiment, when the outer sealing body 101 and the inner sealing body 201 are folded by the folding part 3, the inner sealing body 201 enters the inner part of the outer sealing body 101, at this time, the sealing clamping groove 203 is contacted with the sealing clamping ring 102, and the sealing snap ring 102 enters the sealing snap groove 203 and is tightly attached to each other, thereby forming a seal line of defense, while the entry of the seal support ring 202 into the interior of the seal support groove 104, may form a second seal line of defense, and the seal support ring 202 is in contact with the seal snap ring 102, supporting it against compression on the one hand, the joint performance of the sealing snap ring 102 and the sealing clamping groove 203 can be improved, the sealing effect can be guaranteed, on one hand, the sealing snap ring 102, the sealing clamping groove 203, the sealing support ring 202 and the sealing support groove 104 are matched with each other, and the clamping and fixing between the outer sealing body 101 and the inner sealing body 201 can be completed.

Specifically, the heads of the seal support ring 202 and the seal support groove 104 are both arc-shaped.

In this embodiment, after the sealing support groove 104 enters the inside of the sealing support ring 202, the arc structure can make the sealing support groove and the sealing support ring closely fit better, so as to ensure the sealing performance of the fit portion.

Specifically, the top of the inner sealing body 201 contacts with the top of the seal baffle ring 103, and the outer fitting surface 105 fits with the inner fitting surface 204.

In this embodiment, after outer laminating face 105 and interior laminating face 204 laminated each other, constitute one sealed line of defence equally, because the existence of bottom extrusion groove 106, when the utility model discloses the sealing member uses, the liquid of carrying can exist in the inside of bottom extrusion groove 106, extrudees sealed fender ring 103 through liquid, then extrudees the connection position of outer laminating face 105 and interior laminating face 204, makes two inseparabler laminating to the leakproofness has been improved.

Specifically, the bottom of the outer sealing body 101 is provided with an annular channel 107, and the inside of the outer sealing body 101 is provided with two side extrusion grooves 108 communicated with the inside of the annular channel 107.

In this embodiment, the two side pressing grooves 108 have a similar function to the bottom pressing groove 106, when the sealing element is used, liquid also exists in the annular channel 107 and the side pressing grooves 108, the outer sealing body 101 is deformed under the pressure of the liquid so as to press the inner sealing body 201, and the sealing performance is also enhanced.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A foldable seal, characterized in that: the sealing device comprises an outer sealing element (1) and an inner sealing element (2), wherein a folding part (3) is arranged between the outer sealing element (1) and the inner sealing element (2), and the outer sealing element (1) and the inner sealing element (2) are clamped after being folded through the folding part (3);

the outer sealing element (1) comprises an outer sealing body (101), a sealing snap ring (102) and a sealing baffle ring (103) are fixedly mounted on the inner wall of the outer sealing body (101) from top to bottom in sequence, a sealing support groove (104) is formed in the inner wall of the outer sealing body (101) and located below the sealing snap ring (102), an outer attaching surface (105) is arranged on the inner ring of the sealing baffle ring (103), and a bottom extrusion groove (106) is formed in the bottom of the sealing baffle ring (103);

the inner sealing element (2) comprises an inner sealing body (201), a sealing support ring (202) is fixedly mounted on the inner wall of the inner sealing body (201), a sealing clamping groove (203) is formed in the inner wall of the inner sealing body (201) and located below the sealing support ring (202), and an inner attaching surface (204) is arranged at the top of the inner sealing body (201).

2. Foldable seal according to claim 1, characterized in that said outer seal (1) and inner seal (2) are of one-piece construction.

3. Foldable seal according to claim 1, wherein said sealing collar (102) and sealing collar (203) are snap-fitted and tightly attached to each other, said sealing support ring (202) and sealing support groove (104) are snap-fitted and tightly attached to each other, and the top surface of said sealing support ring (202) is in contact with the ground of the sealing collar (102).

4. Foldable seal according to claim 1, characterized in that the heads of the seal support ring (202) and the seal support groove (104) are both arc-shaped.

5. Foldable seal according to claim 1, characterized in that the top of said inner seal body (201) is in contact with the top of the seal ring (103), said outer (105) and inner (204) abutment surfaces being in abutment.

6. Foldable seal according to claim 1, characterized in that the bottom of the outer sealing body (101) defines an annular channel (107), and the inside of the outer sealing body (101) defines two lateral pressing grooves (108) communicating with the inside of the annular channel (107).