CN202302416U - Low-pressure sealing pipe joint - Google Patents
Low-pressure sealing pipe joint Download PDFInfo
- Publication number
- CN202302416U CN202302416U CN2011203686541U CN201120368654U CN202302416U CN 202302416 U CN202302416 U CN 202302416U CN 2011203686541 U CN2011203686541 U CN 2011203686541U CN 201120368654 U CN201120368654 U CN 201120368654U CN 202302416 U CN202302416 U CN 202302416U
- Authority
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- China
- Prior art keywords
- shell
- seal ring
- pipe joint
- opening
- low pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title abstract description 13
- 238000005452 bending Methods 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 206010010774 Constipation Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a low-pressure sealing pipe joint used for connecting pipes, which comprises a housing, fastening units and a sealing ring. The jousting is a cylindrical shell. The cylindrical surface of the housing is axially disconnected so as to form an opening. The housing is also provided with fastening units positioned on the two sides of the opening and used for fastening and locking the opening. The sealing ring is nested in the housing. The outer wall of the sealing ring abuts against the inner wall of the housing. The central section of the inner wall of the sealing ring is integrally molded with a sealing loop protruded radially and inwardly. The sealing ring of the pipe joint provided by the utility model comprises a sealing loop used for sealing the connecting parts of pipes. Therefore, the pipe joint can be used for connecting pipes with non-smooth ends and pipes of different calibers. Due to the adoption of the pipe joint, liquid in pipes is prevented from overflowing, while the service life of the pipe joint is prolonged.
Description
Technical field
The utility model belongs to the pipe joint field, relates in particular to a kind of sealed pipe joint that uses in the environment under low pressure that is applicable to.
Background technique
The pipe joint of existing technology comprises shell, securing means and seal ring.Wherein shell adopts monolithic construction, and shell has the axially open of a predetermined gap.Seal ring is positioned at this shell, and wherein the outer wall of seal ring is close to the inwall of this shell.Securing means is positioned on this shell; Be used for fastening this shell; When securing means tightened, the gap at the axially open place of shell dwindled, and made shell form radially inner chucking power to the seal ring in the shell; Thereby make shell fastened, and and then make the inwall of seal ring shrink the outer wall realization sealing that is placed on its inner pipe with clamping.Aforementioned tube joint selfsealings good leak-proof effect can also suppress water hammer, the noise that anti-vibration and reducing produces in the pipeline.But in actual use, this pipe joint only is fit to the connection of the pipeline of smooth end, and owing to receive the impact of the liquid that overflows in the pipe for a long time, causes the impaired of seal ring, and the seal failure phenomenon is also comparatively serious.
The model utility content
In view of the defective that above-mentioned existing technology exists, the purpose of the utility model is to propose a kind of sealed pipe joint that uses in the environment under low pressure that is applicable to.
The purpose of the utility model will be achieved through following technological scheme:
A kind of low pressure is used sealed pipe joint, is used for the connection of pipeline, comprises shell, and securing means and seal ring, said shell are cylindrical housings, axially breaks off on the cylndrical surface of said shell forming opening; The shell of said opening both sides is provided with the securing means that is used to tighten up the locking opening; Said seal ring is nested in the said shell, the inwall butt of the outer wall of said seal ring and said shell, and the inwall of said seal ring middle part is one-body molded to have radially the seal ring to inner process.
Preferably, above-mentioned low pressure is used sealed pipe joint, and wherein: said shell two ends radially inwardly are provided with retaining wall, the internal surface butt of the end face of said seal ring and said retaining wall.
Preferably, above-mentioned low pressure is used sealed pipe joint, and wherein: the end face of said seal ring is inside inclined end face; Be provided with the card article that is used to tighten pipeline between said retaining wall and the seal ring, said card article is the tapered collar band shape with fracture, and said card article has interior edge face and exterior edge face, and said interior edge face is a tooth-shape structure, and its diameter is less than the diameter of exterior edge face; The exterior edge face of said card article and said retaining wall butt, the inclined end face butt of the interior edge face of said card article and said seal ring.
Preferably, above-mentioned low pressure is used sealed pipe joint, and wherein: said securing means comprises a pair of lug that lays respectively on the shell of opening both sides, and said lug is outwards to be bent to form from opening by shell, and the end of bending part is fixed on the shell; The bending place of each lug is symmetrically arranged with the positioning hole of 2 axially spaced-aparts respectively; Be equipped with latch in each lug respectively, offer on the said latch and the corresponding jack of said positioning hole; 2 bolts are horizontally through corresponding said positioning hole and jack respectively, and fix through nut.
Preferably, above-mentioned low pressure is used sealed pipe joint, and wherein: the end of the bending part of said lug is through being fixedly welded on the shell.
Preferably, above-mentioned low pressure is used sealed pipe joint, and wherein: also comprise the bridge of joining of the axially open that is used to seal said shell, a said end of joining bridge is connected with the inwall of axially open one side of shell, and the other end is a free end.
Preferably; Above-mentioned low pressure is used sealed pipe joint; Wherein: the axial two ends of said seal ring are respectively equipped with seal lip ring, and said seal lip ring is the integrated radially inner projection of the inwall of seal ring, and the rising height of said seal lip ring is less than the rising height of said seal ring.
The seal ring of the pipe joint of the utility model comprises seal ring, is used for the sealing of pipeline junction, is applicable to the pipeline that non-flat is terminal, and the connection between the pipeline of different bores, prevents overflowing of liquid in the pipeline, prolongs the working life of pipe joint.
Following constipation closes embodiment's accompanying drawing, the embodiment of the utility model is done further to detail, so that the utility model technological scheme is easier to understand, grasp.
Description of drawings
Fig. 1 is the utility model embodiment 1 a structural representation;
Fig. 2 is the utility model embodiment 1 a plan view;
Fig. 3 is the utility model embodiment 1 a sectional view.
Embodiment
Embodiment 1:
A kind of low pressure of present embodiment is used sealed pipe joint, is used for the connection of pipeline, like Fig. 1～shown in Figure 3, comprises shell 1, securing means 2 and seal ring 3, and shell 1 be a cylindrical housings, axially breaks off formation opening 4 on the cylndrical surface of shell 1; The shell 1 of opening 4 both sides is provided with the securing means 2 that is used to tighten up locking opening 4; Seal ring 3 is nested in the shell 1, the inwall butt of the outer wall of seal ring 3 and shell 1, and the inwall of seal ring 3 middle part is one-body molded to have radially the seal ring 5 to inner process.Shell 1 two ends radially inwardly are provided with retaining wall 6, the internal surface butt of the end face of seal ring 3 and retaining wall 6.The end face of seal ring 3 is inside inclined end face; Be provided with the card article 7 that is used to tighten pipeline between retaining wall 6 and the seal ring 3, card article 7 is banded for the tapered collar with fracture, and card article 7 has interior edge face and exterior edge face, and interior edge face is a tooth-shape structure, and its diameter is less than the diameter of exterior edge face; The exterior edge face of card article 7 and retaining wall 6 butts, the inclined end face butt of the interior edge face of card article 7 and seal ring 3.Securing means 2 comprises a pair of lug 8 that lays respectively on the opening 4 both sides shells 1, and lug 8 is outwards to be bent to form from opening 4 places by shell 1, and the end of bending part is through being fixedly welded on the shell 1; The bending place of each lug 8 is symmetrically arranged with the positioning hole 9 of 2 axially spaced-aparts respectively; Be equipped with latch 10 respectively in each lug 8, offer on the latch 10 and positioning hole 9 corresponding jacks 11; 2 bolts 12 are horizontally through corresponding positioning hole 9 and jack 11 respectively, and fixing through nut 13.What also comprise the axially open 4 that is used for closed casing 1 joins bridge 14, and an end of joining bridge 14 is connected with the inwall of axially open 4 one sides of shell 1, and the other end is a free end.The axial two ends of seal ring 3 are respectively equipped with seal lip ring 15, and seal lip ring 15 is the integrated radially inner projection of the inwall of seal ring 3, and the rising height of seal lip ring 15 is less than the rising height of seal ring 5.Seal ring 3 is an elastic rubber material.
The seal ring of the pipe joint of present embodiment comprises seal ring, is used for the sealing of pipeline junction, is applicable to the pipeline that non-flat is terminal, and the connection between the pipeline of different bores, prevents overflowing of liquid in the pipeline, prolongs the working life of pipe joint.
The utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technological schemes of forming all drop within the protection domain of the utility model.
Claims (7)
1. a low pressure is used sealed pipe joint, is used for the connection of pipeline, comprises shell, and securing means and seal ring is characterized in that: said shell is a cylindrical housings, axially breaks off on the cylndrical surface of said shell forming opening; The shell of said opening both sides is provided with the securing means that is used to tighten up the locking opening; Said seal ring is nested in the said shell, the inwall butt of the outer wall of said seal ring and said shell, and the inwall of said seal ring middle part is one-body molded to have radially the seal ring to inner process.
2. low pressure according to claim 1 is used sealed pipe joint, it is characterized in that: said shell two ends radially inwardly are provided with retaining wall, the internal surface butt of the end face of said seal ring and said retaining wall.
3. low pressure according to claim 2 is used sealed pipe joint, it is characterized in that: the end face of said seal ring is inside inclined end face; Be provided with the card article that is used to tighten pipeline between said retaining wall and the seal ring, said card article is the tapered collar band shape with fracture, and said card article has interior edge face and exterior edge face, and said interior edge face is a tooth-shape structure, and its diameter is less than the diameter of exterior edge face; The exterior edge face of said card article and said retaining wall butt, the inclined end face butt of the interior edge face of said card article and said seal ring.
4. low pressure according to claim 1 is used sealed pipe joint; It is characterized in that: said securing means comprises a pair of lug that lays respectively on the shell of opening both sides; Said lug is outwards to be bent to form from opening by shell, and the end of bending part is fixed on the shell; The bending place of each lug is symmetrically arranged with the positioning hole of 2 axially spaced-aparts respectively; Be equipped with latch in each lug respectively, offer on the said latch and the corresponding jack of said positioning hole; 2 bolts are horizontally through corresponding said positioning hole and jack respectively, and fix through nut.
5. low pressure according to claim 4 is used sealed pipe joint, it is characterized in that: the end of the bending part of said lug is through being fixedly welded on the shell.
6. low pressure according to claim 1 is used sealed pipe joint, it is characterized in that: also comprise the bridge of joining of the opening that is used to seal said shell, a said end of joining bridge is connected with the inwall of opening one side of shell, and the other end is a free end.
7. low pressure according to claim 1 is used sealed pipe joint; It is characterized in that: the axial two ends of said seal ring are respectively equipped with seal lip ring; Said seal lip ring is the integrated radially inner projection of the inwall of seal ring, and the rising height of said seal lip ring is less than the rising height of said seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203686541U CN202302416U (en) | 2011-09-30 | 2011-09-30 | Low-pressure sealing pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203686541U CN202302416U (en) | 2011-09-30 | 2011-09-30 | Low-pressure sealing pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302416U true CN202302416U (en) | 2012-07-04 |
Family
ID=46371310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203686541U Expired - Fee Related CN202302416U (en) | 2011-09-30 | 2011-09-30 | Low-pressure sealing pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202302416U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345774A (en) * | 2011-09-30 | 2012-02-08 | 苏州捷英特管道技术有限公司 | Low-pressure sealing pipe joint |
| CN105020505A (en) * | 2015-07-10 | 2015-11-04 | 郭文星 | Pipeline connector |
| CN106969222A (en) * | 2015-10-01 | 2017-07-21 | 卡劳公司 | Clamping collar with distance piece |
-
2011
- 2011-09-30 CN CN2011203686541U patent/CN202302416U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345774A (en) * | 2011-09-30 | 2012-02-08 | 苏州捷英特管道技术有限公司 | Low-pressure sealing pipe joint |
| CN105020505A (en) * | 2015-07-10 | 2015-11-04 | 郭文星 | Pipeline connector |
| CN106969222A (en) * | 2015-10-01 | 2017-07-21 | 卡劳公司 | Clamping collar with distance piece |
| CN106969222B (en) * | 2015-10-01 | 2020-06-16 | 卡劳公司 | Clamping collar with spacer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20140930 |
|
| EXPY | Termination of patent right or utility model |