CN204164527U - A kind of welding type pipe fitting joint applying double-lip sealing ring - Google Patents
A kind of welding type pipe fitting joint applying double-lip sealing ring Download PDFInfo
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- CN204164527U CN204164527U CN201420495906.0U CN201420495906U CN204164527U CN 204164527 U CN204164527 U CN 204164527U CN 201420495906 U CN201420495906 U CN 201420495906U CN 204164527 U CN204164527 U CN 204164527U
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- lip
- pipe joint
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- main body
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- 238000007789 sealing Methods 0.000 title claims abstract description 44
- 238000005493 welding type Methods 0.000 title claims abstract description 20
- 230000000694 effects Effects 0.000 abstract description 7
- 238000003466 welding Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 238000005476 soldering Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001921 mouthing effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a kind of welding type pipe fitting joint applying double-lip sealing ring, comprise pipe joint and the body of the mutual sealing of needs, described body is inserted in pipe joint, ring lip seal circle is arranged with between described pipe joint and body, the annular seal lip that described ring lip seal circle comprises seal ring main body and extended to its circle ring center side by sealing circle main body, described seal ring main body is also provided with the second annular seal lip, the inwall of above-mentioned pipe joint is set in described seal ring main body, above-mentioned tube wall is set in outside described annular seal lip, weld part is provided with between described pipe joint and body, pipe joint and body are connected as a single entity by described weld part.This kind of welding type pipe fitting joint has good sealing effect, implements the advantages such as convenient.
Description
Technical field
The utility model relates to a kind of SEALING FITTING, particularly a kind of welding type pipe fitting joint applying double-lip sealing ring.
Background technique
Pipework circle, as joint and the pipe fitting of connecting tube, a large amount of Application of Interface elastic packing connection interface, or welding type interface; The quality of sealability, depends on the matching of elaxtic seal performance and sealing configuration performance and surrounding medium engineering specifications; Welding junction is adopted to depend on the quality of soldering opening.
Usually the two uses of choosing any one kind of them, still not by elastic seal ring and welding also use simultaneously, the high temperature of welding may the performance of influence elastane rubber ring or catching fire.
The pipeline of stainless steel pipe adopts soldering opening, mostly is docking leakproofness and entirely welds, do not allowed heat color to exist, be applicable to middle posted sides pipeline Placement; Soldering opening for thin-walled ultra-thin-wall pipe is very difficult, and people seldom adopt butt welding, and the bell and spigot joint of thin walled tube is very easy to, but weld bond crack heat color cannot be eliminated, and is that engineering seal weld interface specification institute is unallowed.
Stainless steel pipeline system interface adopts elastic packing joint, and when bore is greater than φ 100, be very difficult for thin-wall stainless steel, cost is also very high.
These problems above-mentioned are not all resolved over the years so far, drastically influence the enforcement of industry development and economy scheme, and for the problems referred to above, the purpose of this utility model is to provide a kind of technological scheme to solve the problems of the technologies described above.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of welding type pipe fitting joint applying double-lip sealing ring, solves existing welding type pipe fitting weld and occurs seepy question and the low inferior problem of weldquality.
The utility model solves the technological scheme that its technical problem adopts:
A kind of welding type pipe fitting joint applying double-lip sealing ring, comprise pipe joint and the body of the mutual sealing of needs, described body is inserted in pipe joint, ring lip seal circle is arranged with between described pipe joint and body, the annular seal lip that described ring lip seal circle comprises seal ring main body and extended to its circle ring center side by sealing circle main body, described seal ring main body is also provided with the second annular seal lip, the inwall of above-mentioned pipe joint is set in described seal ring main body, above-mentioned tube wall is set in outside described annular seal lip, weld part is provided with between described pipe joint and body, pipe joint and body are connected as a single entity by described weld part.
As the improvement of technique scheme, angle between the bearing of trend of described annular seal lip and seal ring horizontal section is equal to or greater than 0 degree and is less than 90 degree, described seal ring main body and annular seal lip are formed in one structure, and described annular seal lip is provided with sealing collar extension in its annular port position.
As the further improvement of technique scheme, described pipe joint is provided with outer bulge loop, pipe joint inwall is formed by the evagination ring inside groove of pipe joint inner radial evagination, above-mentioned seal ring main body is connected in this evagination ring inside groove.
As the further improvement of technique scheme, described pipe joint is provided with an annular tapering, pipe joint is divided into the large end of joint and joint small end by this annular tapering, the evagination ring inside groove that pipe joint is arranged is arranged on the large end of joint, above-mentioned body is inserted in the large end endoporus of joint of pipe joint, and described welding part is in the annular oral area place of the large end of above-mentioned pipe joint and pipe joint and pipe welding are connected as a single entity.
As a kind of mode of execution of technique scheme, described seal ring main body is extended with second annular seal lip axially extended with the same seal ring of above-mentioned annular seal lip in its annular side portions, the length dimension of described second annular seal lip is greater than the length dimension of annular seal lip, and described second annular seal lip is provided with the second sealing collar extension at its annular oral area place.
As the second mode of execution of technique scheme, the cross section of described seal ring main body is rectangle, the point of attachment of above-mentioned annular seal lip and seal ring main body is positioned at seal ring main body inner ring face side locations, the axial side of seal ring that described annular seal lip is partial to towards its point of attachment extends, described seal ring main body offers annular vacancy position at its two axial end, and described annular vacancy position makes seal ring main body is formed with the second annular seal lip.
The beneficial effects of the utility model are: the utility model provides a kind of welding type pipe fitting joint applying double-lip sealing ring, ring lip seal circle is arranged with between the pipe joint of this kind of welding type pipe fitting joint and body, this kind of ring lip seal circle makes pipe joint and body form selfsealings by its annular seal lip, sealing effect is good, in addition, this kind of bellmouth welded structure makes the sealing effect of whole fitting structure better, convenient, quick when implementing.The welding type pipe fitting joint of this kind of application ring lip seal circle solves existing welding type pipe fitting joint sealing poor effect, the technical problems such as application difficult.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the sectional view of ring lip seal circle in the utility model embodiment 1;
Fig. 2 is the utility model embodiment 1 structural representation before welding;
Fig. 3 is the utility model embodiment 1 structural representation after welding;
Fig. 4 is the sectional view of ring lip seal circle in the utility model embodiment 2;
Fig. 5 is the utility model embodiment 2 structural representation before welding;
Fig. 6 is the utility model embodiment 2 structural representation after welding;
Fig. 7 be when in the utility model, weld part is multistage weld bond in Fig. 3 G to structural representation;
Fig. 8 be when in model utility, weld part is full weld bond in Fig. 3 G to structural representation;
Fig. 9 be when in model utility, weld part is multiple spot weld bond in Fig. 3 G to structural representation.
Embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.Obviously; described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of the utility model protection.In addition, all connection/annexations related in patent, not singly refer to that component directly connects, and refer to and according to concrete performance, can connect auxiliary by adding or reducing, and form more excellent connecting structure.The utility model create in each technical characteristics, can combination of interactions under the prerequisite of not conflicting conflict, with reference to Fig. 1-9.
A kind of convex built-in a kind of elasticity selfsealings double-lip elastic seal ring of ring of mouthing pipe fitting, with rational draw ratio and compression ratio, guarantee the sealing function of interface, female end has certain distance apart from seal ring, welding is not influenced by heat, after pipe grafting enters bellmouth, by pipe fitting female end and tube wall with spot-welding technology, segmentation solid welding, also can full weld, but imprecision welds, only will ensure to be connected firmly, pipe construction is simply practical, especially more laborsaving to the thin walled tube of number rice diameter to being greater than φ 100 bore, save time, material saving, the interface seam again female end not welded, fill with and be coated with anticorrosive materials, keep interface permanent.
Embodiment 1:
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of welding type pipe fitting joint applying double-lip sealing ring, comprise pipe joint 1 and the body 2 of the mutual sealing of needs, described body 2 is inserted in pipe joint 1, ring lip seal circle 3 is arranged with between described pipe joint 1 and body 2, the annular seal lip 32 that described ring lip seal circle 3 comprises seal ring main body 31 and extended to its circle ring center side by sealing circle main body 31, described seal ring main body 31 is also provided with the second annular seal lip 33, the inwall of above-mentioned pipe joint 1 is set in described seal ring main body 31, above-mentioned body 2 outer wall is set in outside described annular seal lip 32, weld part 4 is provided with between described pipe joint 1 and body 2, pipe joint 1 and body 2 are connected as a single entity by described weld part 4.
Angle between the bearing of trend of described annular seal lip 32 and seal ring horizontal section is equal to or greater than 0 degree and is less than 90 degree, described seal ring main body 31 and annular seal lip 32 are formed in one structure, and described annular seal lip 32 is provided with sealing collar extension 321 in its annular port position.
Described pipe joint 1 is provided with outer bulge loop 11, and pipe joint 1 inwall is formed by the evagination ring inside groove 12 of pipe joint 1 inner radial evagination, above-mentioned seal ring main body 31 is connected in this evagination ring inside groove 12.
Described seal ring main body 31 and annular seal lip 32 are elastic component, such as rubber.When applying this kind of ring lip seal circle 3, above-mentioned seal ring main body 31 is connected to be needed to carry out in the evagination ring inside groove 12 of the pipe joint 1 sealed, then will the body 2 of sealing be needed to inject in the annular seal lip 32 of ring lip seal circle 3, annular seal lip 32 will produce resiliently deformable, the sealing collar extension 321 that the annular oral area place of annular seal lip 32 is arranged forms elastic packing with body 2, and this kind of ring lip seal circle 3 utilizes the elastic strain selfsealings of self and do not need to apply external pressure to it.This kind of ring lip seal circle 3 can keep sealing state under the impact leaving external force, and sealing is reliable, and can realize quick mounting when applying, time saving and energy saving.
Described pipe joint 1 is provided with an annular tapering 13, annular tapering 13 can produce the effect of location mutually to pipe joint 1 and body 2 when applying, contribute to realizing quick-fit.Pipe joint 1 is divided into the large end 14 of joint and joint small end 15 by this annular tapering 13, the evagination ring inside groove 12 that pipe joint 1 is arranged is arranged on the large end 14 of joint, above-mentioned body 2 is inserted in joint large end 14 endoporus of pipe joint 1, and the annular oral area place being welded with body 2 by pipe joint 1 that described weld part 4 is positioned at the large end 14 of above-mentioned pipe joint 1 is connected as a single entity.
Described seal ring main body 31 is extended with second annular seal lip 33 axially extended with the same seal ring of above-mentioned annular seal lip 32 in its annular side portions, the length dimension of described second annular seal lip 33 is greater than the length dimension of annular seal lip 32, and described second annular seal lip 33 is provided with the second sealing collar extension 331 at its annular oral area place.
In the present embodiment, annular seal lip 32 inner lip diameter dimension and body 2 outside dimension ratio are optimum stretch sealing state.
The outer lip diameter dimension of the second annular seal lip 33, and the physical dimension ratio at the outer bulge loop inner groove position of pipe joint 1 bellmouth are optimal compression sealing state.
The large end 14 of pipe joint 1 is extended with sufficient length, and when the limit mouth of pipe joint 1 and body 1 weld, temperature can not have influence on the sealability of seal ring.
Welding procedure adopts intermittent cooling weldering mode, can not affect seal ring.
Adopt outer gas shielded during welding, pipe fitting inner wall, pipe fitting does not produce heat color outward, adopts discontinuous soldering opening, crack mouth do not produce heat color because of air protection, do not produce harmful effect; Also continuous airtight weldering can be adopted, although joint socket crack has heat color in the interface welded, by being provided with seal ring, the medium in pipe and crack heat color are isolated, heat color is unaffected, also corrosion can not be produced, if pipe outer wall has affect heat color, machinery or chemical mode can be adopted easily to eliminate, can quality be guaranteed; To influential environment, to discontinuous soldering opening, there is no the section seam welded, can fill with and be coated with gap process.
Embodiment 2:
With reference to Fig. 4, Fig. 5, Fig. 6, the present embodiment is substantially the same manner as Example 1, its difference is that the cross section of described seal ring main body 31 is rectangle, above-mentioned annular seal lip 32 is positioned at seal ring main body 31 inner ring face side locations with the point of attachment of seal ring main body 31, the axial side of seal ring that described annular seal lip 32 is partial to towards its point of attachment extends, described seal ring main body 31 offers annular vacancy position 311 at its two axial end, and described annular vacancy position 311 makes seal ring main body 31 to be formed with the second annular seal lip 33.
Rectangular ring horizontal plane direction in the present embodiment, bead structure is respectively established in above and below, is long lip in ring, and the outer direction of ring is brachycheilia, or inside and outside same lip length.
The upper and lower of seal ring to, have the inner circle lip in one of them direction to inside contracting physical dimension, and the ratio inserting body 2 outside dimension is draw ratio the optimum state size.
When rectangular ring is installed, be close to pipe joint 1 internal face in sealing outside circle round.
During pipe joint 1 cylindrical card pressure, together inwardly block contracting by the middle part of the cylindrical of rectangle seal ring, Sealing and pipe joint 1, body 2 are adjacent to.When pressure medium raises, sealing strengthens.
This two-way lip seal, medium in internal sealed pipe, to external environment condition, the pressure of sealed external medium infiltrates pipe, belongs to a kind of positive and negative pressure Bidirectional seal structure.
It should be noted that, with reference to Fig. 7, Fig. 8, Fig. 9, the welding procedure that in the utility model, weld part 4 adopts can select multistage weld bond, full weld bond or multiple spot weld bond according to actual conditions.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (6)
1. apply the welding type pipe fitting joint of double-lip sealing ring for one kind, it is characterized in that: the pipe joint (1) and the body (2) that comprise the mutual sealing of needs, described body (2) is inserted in pipe joint (1), ring lip seal circle (3) is arranged with between described pipe joint (1) and body (2), the annular seal lip (32) that described ring lip seal circle (3) comprises seal ring main body (31) and extended to its circle ring center side by sealing circle main body (31), described seal ring main body (31) is also provided with the second annular seal lip (33), the inwall of above-mentioned pipe joint (1) is set in described seal ring main body (31), above-mentioned body (2) outer wall is set in outside described annular seal lip (32), weld part (4) is provided with between described pipe joint (1) and body (2), pipe joint (1) and body (2) are connected as a single entity by described weld part (4).
2. a kind of welding type pipe fitting joint applying double-lip sealing ring according to claim 1, it is characterized in that: the angle between the bearing of trend of described annular seal lip (32) and seal ring horizontal section is equal to or greater than 0 degree and is less than 90 degree, described seal ring main body (31) and annular seal lip (32) are formed in one structure, and described annular seal lip (32) is provided with sealing collar extension (321) in its annular port position.
3. a kind of welding type pipe fitting joint applying double-lip sealing ring according to claim 1 and 2, it is characterized in that: described pipe joint (1) is provided with outer bulge loop (11), pipe joint (1) inwall is formed by the evagination ring inside groove (12) of pipe joint (1) inner radial evagination, above-mentioned seal ring main body (31) is connected in this evagination ring inside groove (12).
4. a kind of welding type pipe fitting joint applying double-lip sealing ring according to claim 3, it is characterized in that: described pipe joint (1) is provided with an annular tapering (13), pipe joint (1) is divided into the large end of joint (14) and joint small end (15) by this annular tapering (13), the upper evagination ring inside groove (12) arranged of pipe joint (1) is arranged on the large end of joint (14), above-mentioned body (2) is inserted in the large end of joint (14) endoporus of pipe joint (1), the annular oral area place being welded with body (2) by pipe joint (1) that described weld part (4) is positioned at the large end (14) of above-mentioned pipe joint (1) is connected as a single entity.
5. a kind of welding type pipe fitting joint applying double-lip sealing ring according to claim 4, it is characterized in that: described seal ring main body (31) is extended with axially extended second annular seal lip (33) with above-mentioned annular seal lip (32) same seal ring in its annular side portions, the length dimension of described second annular seal lip (33) is greater than the length dimension of annular seal lip (32), and described second annular seal lip (33) is provided with the second sealing collar extension (331) at its annular oral area place.
6. a kind of welding type pipe fitting joint applying double-lip sealing ring according to claim 4, it is characterized in that: the cross section of described seal ring main body (31) is rectangle, above-mentioned annular seal lip (32) is positioned at seal ring main body (31) inner ring face side locations with the point of attachment of seal ring main body (31), the axial side of seal ring that described annular seal lip (32) is partial to towards its point of attachment extends, described seal ring main body (31) offers annular vacancy position (311) at its two axial end, described annular vacancy position (311) makes seal ring main body (31) is formed with the second annular seal lip (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495906.0U CN204164527U (en) | 2014-08-29 | 2014-08-29 | A kind of welding type pipe fitting joint applying double-lip sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420495906.0U CN204164527U (en) | 2014-08-29 | 2014-08-29 | A kind of welding type pipe fitting joint applying double-lip sealing ring |
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| Publication Number | Publication Date |
|---|---|
| CN204164527U true CN204164527U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420495906.0U Expired - Fee Related CN204164527U (en) | 2014-08-29 | 2014-08-29 | A kind of welding type pipe fitting joint applying double-lip sealing ring |
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| Country | Link |
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| CN (1) | CN204164527U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016029759A1 (en) * | 2014-08-29 | 2016-03-03 | 深圳市雅昌管业股份有限公司 | Lip seal welded-type pipe fitting interface and installation method therefor |
| CN106499816A (en) * | 2016-12-22 | 2017-03-15 | 海盐县海管管件制造有限公司 | A kind of hydraulic drive pipe screw thread combination seal |
| CN111206238A (en) * | 2020-02-28 | 2020-05-29 | 苏州拓升智能装备有限公司 | Tubular PECVD device for improving silicon oxide deposition thickness fluctuation |
-
2014
- 2014-08-29 CN CN201420495906.0U patent/CN204164527U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016029759A1 (en) * | 2014-08-29 | 2016-03-03 | 深圳市雅昌管业股份有限公司 | Lip seal welded-type pipe fitting interface and installation method therefor |
| CN106499816A (en) * | 2016-12-22 | 2017-03-15 | 海盐县海管管件制造有限公司 | A kind of hydraulic drive pipe screw thread combination seal |
| CN106499816B (en) * | 2016-12-22 | 2018-02-06 | 海盐县海管管件制造有限公司 | A kind of hydraulic drive pipe screw thread combination seal |
| CN111206238A (en) * | 2020-02-28 | 2020-05-29 | 苏州拓升智能装备有限公司 | Tubular PECVD device for improving silicon oxide deposition thickness fluctuation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN YACHANG TUBES CO., LTD. Free format text: FORMER OWNER: CHEN ZHENG Effective date: 20150528 Free format text: FORMER OWNER: LIU XIN SHI HUI Effective date: 20150528 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150528 Address after: 518000 Longgang City, Shenzhen province Bantian District, Liuzhou City Industrial Zone, building 17, building 4, building Patentee after: SHENZHEN ARTWAY PIPING Co.,Ltd. Address before: Futian District Fuhua Road, Shenzhen city Guangdong province 518000 Yi Street No. 20 701 Patentee before: Chen Zheng Patentee before: Liu Xin Patentee before: Shi Hui |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong Province, Longhua New District, Qing Xiang Road, on the 1st of science and Technology Park Po Po building, building B, block, building 15 Patentee after: SHENZHEN ARCHUNG TECHNOLOGY CO.,LTD. Address before: 518000 Longgang City, Shenzhen province Bantian District, Liuzhou City Industrial Zone, building 17, building 4, building Patentee before: SHENZHEN ARTWAY PIPING Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 Baoneng Science Park, Qinghu Village, Qinghu Community, Longhua Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Yachang Technology Co.,Ltd. Address before: 518000 15th Floor, Block B, Baohui Building, Baoneng Science Park, No. 1 Qingxiang Road, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ARCHUNG TECHNOLOGY CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 a1401, Xingfu city commercial building, Heping East Road, Qinghua community, Longhua street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Meide Yachang Group Co.,Ltd. Address before: 518000 Baoneng Science Park, Qinghu Village, Qinghu Community, Longhua Street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Yachang Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 |