CN207229740U - Seal for pipe joints circle - Google Patents

Seal for pipe joints circle Download PDF

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Publication number
CN207229740U
CN207229740U CN201721011129.8U CN201721011129U CN207229740U CN 207229740 U CN207229740 U CN 207229740U CN 201721011129 U CN201721011129 U CN 201721011129U CN 207229740 U CN207229740 U CN 207229740U
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CN
China
Prior art keywords
top flat
annular baffle
seal
egative film
pipe joints
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Active
Application number
CN201721011129.8U
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Chinese (zh)
Inventor
张德山
陈继发
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Aisilin Rubber And Plastic Technology Co Ltd
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Xiamen Aisilin Rubber And Plastic Technology Co Ltd
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Application filed by Xiamen Aisilin Rubber And Plastic Technology Co Ltd filed Critical Xiamen Aisilin Rubber And Plastic Technology Co Ltd
Priority to CN201721011129.8U priority Critical patent/CN207229740U/en
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Publication of CN207229740U publication Critical patent/CN207229740U/en
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Abstract

The utility model discloses a kind of seal for pipe joints circle, its drip irrigation device is integrally connected to the hollow tube on egative film including egative film and one end, the one end of the hollow tube away from egative film is connected with top flat, the outer ring of the top flat is connected with annular baffle, the annular baffle is obliquely installed on top flat, and the one end of the annular baffle away from top flat is towards hollow tube side;The circumferentially arranged of the annular baffle has easy curved groove, and the utility model is stablized with deformation, the effect that can effectively block.

Description

Seal for pipe joints circle
Technical field
Seal is the utility model is related to, more specifically it is related to a kind of seal for pipe joints circle.
Background technology
At present, notification number is that the Chinese patent of CN201858448U discloses a kind of stainless steel pipe sealing ring, described close In annular shape, its cross sectional shape is " L " for seal.
Above-mentioned seal for pipe joints circle is similar in the prior art, it is mainly arranged at the junction of two pipelines, for sealing Block up the gap of two pipeline junctions;And the controlled amounts of the position size of its deformation after pipeline is inserted into are smaller;Therefore may go out After existing sealing ring blocking pipe, the situation in gap is still remained in pipeline, is had much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of seal for pipe joints circle, its advantage It is that deformation is stablized, can effectively blocks.
To achieve the above object, the utility model provides following technical solution:A kind of seal for pipe joints circle, including egative film and One end is integrally connected to the hollow tube on egative film, and the one end of the hollow tube away from egative film is connected with top flat, the top flat Outer ring be connected with annular baffle, the annular baffle is obliquely installed on top flat, and the annular baffle is away from top flat One end is towards hollow tube side;The circumferentially arranged of the annular baffle has easy curved groove.
By using above-mentioned technical proposal, when installing sealing ring, by the way that first top flat is inserted into pipeline;Thus sealing After circle insertion pipeline, annular baffle can be first begin to deformation;And due to being provided with easy curved groove in circumferential direction, easy curved groove belongs to annular gear The position of on piece thickness minimum, thus most easily deformed upon in insertion pipeline;Annular is kept off so as to be realized by easy curved groove Piece bends the control of deformation position so that sealing ring deformation is stablized, and can effectively be blocked.
The utility model is further arranged to:The easily curved groove is included to away from the inclined rake in top flat side.
By using above-mentioned technical proposal, deep position thickness is that thickness is most in annular baffle on rake from shallow to deep It is thin, it is easiest to produce the place of deformation;The positioning to deformation position is realized with this.
The utility model is further arranged to:The easily curved groove further includes connection rake inner side and annular baffle outer wall Curved portion.
By using above-mentioned technical proposal, curved portion has the deformation surplus of bigger relative to plain film, so that in annular baffle After becoming along easy curved groove bent, curved portion can discharge deformation surplus, reduce infringement of the deformation to annular baffle.
The utility model is further arranged to:The cross section of the top flat is in the arc away from egative film side protrusion.
By using above-mentioned technical proposal, top flat is convexly curved so that top flat has certain radial elastic deformation Surplus, occurs overall radial deformation easy to catch.
The utility model is further arranged to:The annular baffle is extended with around the convex of top flat outer ring to one end of top flat Edge.
By using above-mentioned technical proposal, the intensity of flange lifting top flat outer ring so that the edge of top flat be not likely to produce to Interior deformation, realizes and stablizing for pipeline is blocked.
The utility model is further arranged to:Great circle is provided with the hollow tube towards the end difference of top flat side.
By using above-mentioned technical proposal, set end difference hollow tube can be easy to carry out radial direction deformation;Further function as Cushioning effect.
The utility model is further arranged to:The internal diameter of the annular baffle towards egative film side is greater than or equal to the bottom The outside diameter of piece.
By using above-mentioned technical proposal, therefore egative film can be pressed into annular baffle bottom by pressing egative film, will be close Seal is compressed, and further improves sealing performance.
The utility model is further arranged to:The side outside of the egative film towards the annular baffle is provided with inclined Guide surface.
By using above-mentioned technical proposal, guide surface can reduce materials, on the premise of sealing ring enormous amount, significantly Its economic performance is improved, and is facilitated access on the inside of catch.
In conclusion the utility model has the following advantages:
The 1st, easy curved groove is set so that sealed ring deformation is stablized;It is not easy to produce with pipeline after making sealing ring insertion pipeline deformation Gap, sealing effect are good;
2nd, egative film can be caught in annular baffle, increase sealing ring integral strength, reduced and taken volume.
Brief description of the drawings
Fig. 1 is the structure diagram of the present embodiment;
Fig. 2 is the schematic cross-sectional view of the present embodiment;
Fig. 3 is the structure diagram after the present embodiment is extruded.
Description of reference numerals:1st, top flat;2nd, annular baffle;3rd, egative film;4th, hollow tube;5th, easy curved groove;6th, flange;7th, it is oriented to Face;8th, end difference;9th, rake;10th, curved portion;11st, storage tank.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment, a kind of seal for pipe joints circle, as shown in Figure 1, egative film 3, hollow tube 4, top flat 1 and ring including integrally connected Shape catch 2.Seal for pipe joints circle generally rubber material, is preferably butadiene-styrene rubber.Its mediella 3 is connected to one end of hollow tube 4; Top flat 1 is connected to the one end of hollow tube 4 away from egative film 3;Annular baffle 2 is connected on the outer ring of top flat 1, and annular baffle 2 to Outer incline, the one end of annular baffle 2 away from top flat 1 is towards 4 side of hollow tube.
As shown in Fig. 2, the middle part of the axial direction of annular baffle 2 circumferentially offers easy curved groove 5, easy curved groove 5 is included to away from top The inclined rake 9 in 1 side of piece and the curved portion 10 of 9 inner side of connection rake and 2 outer wall of annular baffle.Rake 9 progressively subtracts On 5 correspondence position of little Yi curved grooves, the thickness of annular baffle 2;The most thin position of thickness is then the ground for being easiest to produce bending deformation Side;And curved portion 10 connects the position of the most pliable deformation of easy curved groove 5, and there is a certain amount of deformation surplus, deformation can be reduced Infringement to annular baffle 2.Thus annular baffle 2 be inserted into pipeline in after, due to easy curved groove 5 compared to annular baffle 2 remaining Position preferentially deforms upon, it is achieved thereby that bending the control of deformation position to annular baffle 2 so that and sealing ring deformation is stablized, Can effectively it be blocked.
As shown in Fig. 2, the cross section of top flat 1 is in the arc away from 3 side of egative film protrusion.So that top flat 1 has necessarily The surplus of radial elastic deformation, occurs overall radial deformation easy to catch.And one end of annular baffle 2 to top flat 1 be extended with it is convex Edge 6, flange 6 is around 1 outer ring of top flat, the intensity at 1 edge of lifting top flat.
As shown in Fig. 2, the middle part of hollow tube 4 is provided with end difference 8;The side of great circle is towards top flat wherein in end difference 8 1, the side of roundlet is towards egative film 3;4 inner wall of hollow tube is provided with rounded corner in the turning point of end difference 8.During end difference 8 is easy to Blank pipe 4 produces axial deformation, so as to can play the role of unhurried current after mounting.
As shown in Fig. 2, and egative film 3 towards being provided with guide surface 7 on the outside of the upper surface in 2 direction of annular baffle.Annular baffle 2 Internal diameter towards arrived tableting one end is greater than or equal to the outside diameter of egative film 3.And the inner wall of annular baffle 2, the inner wall of top flat 1 and hollow The outer wall three of pipe 4 forms a storage tank 11.
As shown in Figure 2,3, by extruding egative film 3 to 2 side of annular baffle, insert roundlet of the hollow tube 4 on end difference 8 Enter in great circle, the contraction of radial direction occurs;Then egative film 3 extrudes the air in storage tank 11, makes to form negative pressure in storage tank 11, Egative film 3 is stably secured in storage tank 11.The inclined-plane of period annular baffle 2 and the guide surface 7 of egative film 3 can play guiding and make With;Snapped onto so that egative film 3 is more enough more convenient in storage tank 11.At the same time after egative film 3 is caught in storage tank 11, sealing ring is whole Body intensity increases, and takes volume and reduce.
This seal for pipe joints circle, main seal is in the junction of the inner and outer tubes of threaded connection.Installation process, by top flat 1 In side insertion inner tube, egative film 3 is set to be in the outside of inner tube.Top flat 1 be inserted into after, annular baffle 2 under the action of easy curved groove 5 Deformed upon in inner tube, realize and stablizing for inner tube is blocked;So that sealing ring deformation is stablized, can effectively be blocked.And Egative film 3 is caught in outer tube afterwards, inner tube is threadedly coupled on inner pipe again;Realize the closure to interior conduit connection gap.
The above is only the preferred embodiment of the present invention, is not intended to limit the present invention, all in this practicality Within new design concept, any modification, equivalent replacement, improvement and so on, should be included in the protection of the utility model Within the scope of.

Claims (8)

1. a kind of seal for pipe joints circle, including egative film (3) and one end are integrally connected to the hollow tube (4) on egative film (3), its feature exists In:The one end of the hollow tube (4) away from egative film (3) is connected with top flat (1), the outer ring integrally connected of the top flat (1) There is an annular baffle (2), the annular baffle (2) is obliquely installed on top flat (1), and the annular baffle (2) is away from top flat (1) One end is towards hollow tube (4) side;The circumferentially arranged of the annular baffle (2) has easy curved groove (5).
2. seal for pipe joints circle according to claim 1, it is characterised in that:The easily curved groove (5) is included to away from top flat (1) The inclined rake in side (9).
3. seal for pipe joints circle according to claim 2, it is characterised in that:The easily curved groove (5) further includes connection rake (9) curved portion (10) of inner side and annular baffle (2) outer wall.
4. seal for pipe joints circle according to claim 1, it is characterised in that:The cross section of the top flat (1) is in the bottom of away from The arc of piece (3) side protrusion.
5. seal for pipe joints circle according to claim 1, it is characterised in that:The one end of the annular baffle (2) to top flat (1) It is extended with the flange (6) around top flat (1) outer ring.
6. seal for pipe joints circle according to claim 1, it is characterised in that:Great circle direction is provided with the hollow tube (4) The end difference (8) of top flat (1) side.
7. seal for pipe joints circle according to claim 6, it is characterised in that:The annular baffle (2) is towards egative film (3) side Internal diameter be greater than or equal to the egative film (3) outside diameter.
8. seal for pipe joints circle according to claim 7, it is characterised in that:The egative film (3) is towards the annular baffle (2) Side on the outside of be provided with inclined guide surface (7).
CN201721011129.8U 2017-08-14 2017-08-14 Seal for pipe joints circle Active CN207229740U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721011129.8U CN207229740U (en) 2017-08-14 2017-08-14 Seal for pipe joints circle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721011129.8U CN207229740U (en) 2017-08-14 2017-08-14 Seal for pipe joints circle

Publications (1)

Publication Number Publication Date
CN207229740U true CN207229740U (en) 2018-04-13

Family

ID=61856959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721011129.8U Active CN207229740U (en) 2017-08-14 2017-08-14 Seal for pipe joints circle

Country Status (1)

Country Link
CN (1) CN207229740U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109237023A (en) * 2018-09-20 2019-01-18 武汉船用机械有限责任公司 A kind of blocking technological holes structure and method for blocking
CN109813176A (en) * 2019-01-25 2019-05-28 江苏通盛换热器有限公司 A kind of leak detection tool equipment of heat exchanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109237023A (en) * 2018-09-20 2019-01-18 武汉船用机械有限责任公司 A kind of blocking technological holes structure and method for blocking
CN109813176A (en) * 2019-01-25 2019-05-28 江苏通盛换热器有限公司 A kind of leak detection tool equipment of heat exchanger

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