CN203297796U - Pipeline connecting device - Google Patents
Pipeline connecting device Download PDFInfo
- Publication number
- CN203297796U CN203297796U CN2013202708434U CN201320270843U CN203297796U CN 203297796 U CN203297796 U CN 203297796U CN 2013202708434 U CN2013202708434 U CN 2013202708434U CN 201320270843 U CN201320270843 U CN 201320270843U CN 203297796 U CN203297796 U CN 203297796U
- Authority
- CN
- China
- Prior art keywords
- locking nut
- core body
- retainer ring
- pipe joint
- assembling pipe
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000008602 contraction Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Joints With Pressure Members (AREA)
Abstract
The utility model provides a pipeline connecting device which comprises a locking nut, a connecting core body connected in the locking nut in a sleeved mode, a pressing ring and a sleeve. Inner threads which are matched with outer threads of a pipeline connector are arranged at one end of the locking nut. A taper face is arranged in the locking nut. A bottom plane is arranged between the taper face of the locking nut and the bottom of an inner thread hole. The connecting core body is provided with an end plane which is matched with the bottom plane of the locking nut. The pressing ring is arranged between the taper face of the locking nut and the end plane of the connecting core body. According to the pipeline connecting device, the bottom plane of the locking nut and the end plane of the connecting core are matched, so that deformation of the pressing ring is limited, and the pressing ring cannot deform too much, and accordingly permanent deformation can be avoided, disassembling is convenient when the device needs to be replaced, and repeated use is achieved. The pipeline connecting device can be repeatedly used in a polyethylene-aluminum composite pipeline or a PEX pipe and a water dividing-concentrating device converting pipeline. In addition, the pipeline connecting device has the advantages of being low in manufacturing cost, easy to assemble and disassemble and simple in structure.
Description
[technical field]
The utility model relates to a kind of connection set, refers in particular to a kind of for interconnective assembling pipe joint between pipeline.
[background technique]
In the pipeline installing area, be existing pipeline Split type connecting device as shown in Figure 1, it comprises locking nut 11, connects core body 12, retainer ring 13, seal ring 1, seal ring 2 15, seal ring 3 16, and be relaxed state this moment.When locking nut 11 is tightened, as shown in Figure 2, be subject to the extruding force of conical surface 111 with the conical surface 121 that is connected core body 12 of locking nut 11 due to retainer ring 13, make it produce radial contraction, and tightly push down tubing 17, thereby make between tubing 17 and tubing 18 effect that connects sealing that reaches.The advantage of this Placement is simple in structure, easy for installation, but this structure also has its very important shortcoming, and because the contraction of retainer ring 13 is not restricted, nut is turned round tightlyer, and its shrinkage degree is just larger, and often the distortion of retainer ring 13 is permanent.So when pipe-line system need to be changed tubing 17, often all need to change retainer ring 13, even connect core body 12 and also can't take out from tubing 17, cause a whole set of Split type connecting device all to need to change, thereby caused unnecessary trouble and waste.
[summary of the invention]
The purpose of this utility model is to provide a kind of for convenience detach and reusable assembling pipe joint.
, for realizing the utility model purpose, provide following technological scheme:
The utility model provides a kind of assembling pipe joint, it comprises locking nut, is socketed on connection core body, retainer ring in locking nut, this locking nut one end is provided with the internal thread that coordinates with the pipe coupling outside thread, also be provided with conical surface in locking nut, be provided with bottom plane between locking nut conical surface and interior threaded hole bottom, this connection core body is provided with the Transverse plane that coordinates with this locking nut bottom plane, the conical surface that this retainer ring is arranged on locking nut be connected between the core body Transverse plane.By locking nut bottom plane and the cooperation that is connected the core body Transverse plane, the distortion of restriction retainer ring, can not be out of shape excessively retainer ring and therefore produce permanent deformation, and is for convenience detach while needing more changing device, can reuse.
In some embodiments, it further comprises sleeve, and this sleeve is arranged in locking nut and the hole that is connected core body, and the arranging of sleeve can prevent that the tubing compressive deformation is excessive and affect sealability.
In some embodiments, the end on the cylindrical of this retainer ring is provided with the external conical shape face, with the conical surface of locking nut, matches.When tightening this locking nut, produce lateral extrusion power between the external conical shape face of the conical surface of this locking nut and retainer ring, make retainer ring produce radial contraction; And the thrust of Transverse plane that is subject to connecting core body due to the Transverse plane of retainer ring is larger, so that Transverse plane and bottom plane are designed to face contact type structure is comparatively reasonable.
In some embodiments, the endoporus of this retainer ring is provided with the inner conical face, and this inner conical face and external conical shape face are arranged on the same end of retainer ring.Guide surface when this inner conical face is the tubing insertion, it has avoided the phenomenon that stops that when the endoporus of locking nut and retainer ring decentraction tubing inserts.
In some embodiments, the endoporus of this retainer ring also is provided with cheicers, and when the retainer ring pressurized produce to shrink, cheicers can block tubing and make its with connection pipe fitting, being connected tightly.
In some embodiments, the first end of this sleeve is provided with conical surface, and sleeve is more easily inserted in the port of tubing; The second end of this sleeve is provided with flange, and block, in the port of tubing, does not excessively go deep in tubing sleeve.
In some embodiments, the endoporus of this connection core body is provided with the ladder end face, and it is used for the degree of depth that restriction tubing inserts.
In some embodiments, this locking nut the other end endoporus is provided with seal groove, is provided with seal ring one in the sealing groove.In some embodiments, also be provided with seal groove on the external circle of this connecting core, be provided with seal ring two in the sealing groove.In some embodiments, this connection core body endoporus is provided with seal groove, is provided with seal ring three in the sealing groove.The better tightness that the setting of seal ring connects tubing.
The contrast prior art the utlity model has following advantage:
The utility model assembling pipe joint is by locking nut bottom plane and the cooperation that is connected the core body Transverse plane, the distortion of restriction retainer ring, retainer ring can be out of shape excessively and so produce permanent deformation, more for convenience detach during changing device, can reuse.This assembling pipe joint can and divide at aluminium-plastic pipe or PEX pipe, water-collecting machine is reused in changing pipeline.In addition, the utility model also has low cost of manufacture, easily dress, advantage readily removable, simple in structure.
[description of drawings]
Fig. 1 is the structural representation of existing Seperated connection pipe fitting relaxed state;
Fig. 2 is the structural representation of existing Seperated connection pipe fitting locking state;
Fig. 3 is the structural representation of the utility model pipe fitting relaxed state;
Fig. 4 is the structural representation of the utility model pipe fitting locking state shown in Figure 3;
Fig. 5 is the decomposing schematic representation of the utility model pipe fitting shown in Figure 3.
[embodiment]
See also Fig. 3 ~ 5, the utility model assembling pipe joint comprises locking nut 21, is socketed on connection core body 22, retainer ring 23, sleeve 27 in locking nut 21, these locking nut 21 1 ends are provided with the internal thread 211 that coordinates with pipe coupling 29 outside threads 291, these locking nut 21 the other end endoporus are provided with seal groove, are provided with seal ring 1 in the sealing groove.Also be provided with conical surface 213 in locking nut 21, be provided with bottom plane 212 between locking nut 21 conical surfaces 213 and internal thread 211 bottoms, hole, this connection core body 22 is provided with the Transverse plane 221 that coordinates with this locking nut 21 bottom planes 212, the conical surface 212 that this retainer ring 23 is arranged on locking nut 21 be connected between core body 22 Transverse planes 221, this sleeve 27 is arranged in locking nut 21 and the hole that is connected core body 22.
By locking nut 21 bottom planes 212 and the cooperation that is connected core body 22 Transverse planes 221, the distortion of restriction retainer ring 23, retainer ring 23 can be out of shape excessively and therefore produce permanent deformation, for convenience detach while needing more changing device, can reuse, the arranging of sleeve 27 can prevent that the tubing compressive deformation is excessive and affect sealability.When Transverse plane 233 is connected when inconsistent with the Transverse plane 221 that is connected core body 22 in locking nut 21 bottom planes 212 with retainer ring, locking nut 21 be connected core body 22 and just no longer produce relative displacement, it also just stops retainer ring 23 extruding, prevent that retainer ring from producing the effect of permanent deformation thereby reached, as enclose as shown in the of 4.
An end on the cylindrical of this retainer ring 23 is provided with external conical shape face 231, with the conical surface 213 of locking nut 21, matches.When tightening this locking nut 21, produce lateral extrusion power between the conical surface 213 of this locking nut 21 and the external conical shape face 231 of retainer ring 23, make retainer ring 23 produce radial contraction; And to be subject to connecting the thrust of core body 22 Transverse planes 221 larger due to the Transverse plane 233 of retainer ring 23, so that the bottom plane 212 of Transverse plane 221 and locking nut 21 is designed to face contact type structure is comparatively reasonable.
The endoporus of this retainer ring 23 is provided with inner conical face 232, and this inner conical face 232 and external conical shape face 231 are arranged on the same end of retainer ring 23.Guide surface when this inner conical face 232 is the tubing insertion, it has avoided the phenomenon that stops that when the endoporus of locking nut 21 and retainer ring 23 decentraction tubing inserts.
The endoporus of this retainer ring 23 also is provided with cheicers 234, and when retainer ring 23 pressurizeds produce to shrink, cheicers can block tubing and make its with connection pipe fitting, being connected tightly.
The first end of this sleeve 27 is provided with conical surface 271, and sleeve 27 is more easily inserted in the port of tubing; The second end of this sleeve 27 is provided with flange 272, and block, in the port of tubing, does not excessively go deep in tubing sleeve 27.
The endoporus of this connection core body 22 is provided with ladder end face 222, and it is used for the degree of depth that restriction tubing inserts.These connection core body 22 cylindricals are provided with seal groove, are provided with seal ring 2 25 in the sealing groove, and these connection core body 22 endoporus also are provided with seal groove, are provided with seal ring 3 26 in the sealing groove.The better tightness that the setting of seal ring connects tubing.
The mounting type of the present embodiment assembling pipe joint is as follows with the principle that is connected: first connecting core body 22 cylindricals, insert in the hole of pipe coupling 29, the tube wall that the seal ring 2 25 on its cylindrical is subject to pipe coupling 29 forms sealing with the cell wall extruding of sealing cell wall; Then locking nut 21 and retainer ring 23 are installed, the internal thread 211 of locking nut 21 matches with the outside thread 291 on pipe coupling 29 ports, and make between retainer ring 23 conical surface 213 that is placed in locking nut 21 and the Transverse plane 221 that is connected core body 22, and the conical surface 231 of retainer ring 23 matches with the conical surface 213 of locking nut 21; Tubing 28 then is installed, first sleeve 27 is inserted on the port of tubing 28, it can prevent that tubing 28 compressive deformations are excessive and affect sealability, then tubing 28 is inserted in the hole of locking nuts 21, and makes tubing 28 ports be inserted to the ladder end face 222 that connects core body 22; Finally, locking nut 21 is tightened, this moment, retainer ring 23 produced radial contraction owing to being subject to lateral extrusion power, and the cheicers 234 its hole in also tightly block tubing 28, thereby make tubing 28 and pipe coupling 29 reach the effect that interconnects sealing.And when needs are changed tubing 28, locking nut 21 is back-outed, need not pull down its whole connection pipe fitting, allow retainer ring 23 recover original state and can extract tubing 28, then tubing 28 is replaced by new tubing, then locking nut 21 is tightened, complete the replacing to tubing 28.The utility model assembling pipe joint low cost of manufacture, easy dress, readily removable, simple in structure.
The foregoing is only preferred embodiment of the present utility model, protection domain of the present utility model is not limited to this, any all belong to the utility model protection domain based on the equivalent transformation on technical solutions of the utility model within.
Claims (10)
1. assembling pipe joint, it comprises locking nut, is socketed on connection core body, retainer ring in locking nut, it is characterized in that, this locking nut one end is provided with the internal thread that coordinates with the pipe coupling outside thread, also be provided with conical surface in locking nut, locking nut conical surface and interior threaded hole are provided with bottom plane between bottom, and this connection core body is provided with the Transverse plane that coordinates with this locking nut bottom plane, the conical surface that this retainer ring is arranged on locking nut be connected between the core body Transverse plane.
2. assembling pipe joint as claimed in claim 1, is characterized in that, it further comprises sleeve, and this sleeve is arranged in locking nut and the hole that is connected core body.
3. assembling pipe joint as claimed in claim 2, is characterized in that, the end on the cylindrical of this retainer ring is provided with the external conical shape face, with the conical surface of locking nut, matches.
4. assembling pipe joint as claimed in claim 3, is characterized in that, the endoporus of this retainer ring is provided with the inner conical face, and this inner conical face and external conical shape face are arranged on the same end of retainer ring.
5. assembling pipe joint as claimed in claim 4, is characterized in that, the endoporus of this retainer ring also is provided with cheicers.
6. assembling pipe joint as claimed in claim 5, is characterized in that, the first end of this sleeve is provided with conical surface, and the second end of this sleeve is provided with flange.
7. assembling pipe joint as described in claim 1 ~ 6 any one, is characterized in that, the endoporus of this connection core body is provided with the ladder end face.
8. assembling pipe joint as described in claim 1 ~ 6 any one, is characterized in that, this locking nut the other end endoporus is provided with seal groove, is provided with seal ring one in the sealing groove.
9. assembling pipe joint as described in claim 1 ~ 6 any one, is characterized in that, the external circle of this connecting core is provided with seal groove, is provided with seal ring two in the sealing groove.
10. assembling pipe joint as described in claim 1 ~ 6 any one, is characterized in that, this connection core body endoporus is provided with seal groove, is provided with seal ring three in the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202708434U CN203297796U (en) | 2013-05-17 | 2013-05-17 | Pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202708434U CN203297796U (en) | 2013-05-17 | 2013-05-17 | Pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297796U true CN203297796U (en) | 2013-11-20 |
Family
ID=49573803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202708434U Expired - Lifetime CN203297796U (en) | 2013-05-17 | 2013-05-17 | Pipeline connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297796U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061383A (en) * | 2014-07-16 | 2014-09-24 | 玉环县大众气动工具有限公司 | Structure for connecting valve body with connector in steam heat valve |
| CN104565527A (en) * | 2014-12-26 | 2015-04-29 | 诸暨市博拉什阀门有限公司 | Temperate control valve for heating radiator |
| CN109073121A (en) * | 2017-02-20 | 2018-12-21 | 沃尔特施陶芬贝格有限责任两合公司 | Attachment device for connecting pipe |
| CN109780350A (en) * | 2019-03-27 | 2019-05-21 | 陆挚译 | A kind of liquid anti-leak pipe flange |
| CN113847458A (en) * | 2021-09-15 | 2021-12-28 | 中国船舶重工集团公司第七0三研究所 | Low pressure opening check valve for bleed air circuit between combustion chamber and nozzle of gas turbine |
-
2013
- 2013-05-17 CN CN2013202708434U patent/CN203297796U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061383A (en) * | 2014-07-16 | 2014-09-24 | 玉环县大众气动工具有限公司 | Structure for connecting valve body with connector in steam heat valve |
| CN104565527A (en) * | 2014-12-26 | 2015-04-29 | 诸暨市博拉什阀门有限公司 | Temperate control valve for heating radiator |
| CN109073121A (en) * | 2017-02-20 | 2018-12-21 | 沃尔特施陶芬贝格有限责任两合公司 | Attachment device for connecting pipe |
| CN109073121B (en) * | 2017-02-20 | 2021-04-02 | 沃尔特施陶芬贝格有限责任两合公司 | Connecting device for connecting pipelines |
| CN109780350A (en) * | 2019-03-27 | 2019-05-21 | 陆挚译 | A kind of liquid anti-leak pipe flange |
| CN109780350B (en) * | 2019-03-27 | 2020-10-09 | 安徽省华腾农业科技有限公司经开区分公司 | Liquid leakage-proof pipeline flange |
| CN113847458A (en) * | 2021-09-15 | 2021-12-28 | 中国船舶重工集团公司第七0三研究所 | Low pressure opening check valve for bleed air circuit between combustion chamber and nozzle of gas turbine |
| CN113847458B (en) * | 2021-09-15 | 2024-07-16 | 中国船舶重工集团公司第七0三研究所 | Low pressure opening check valve for bleed air circuit between gas turbine combustor and nozzle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528000 Guangdong province Foshan City Temple Road No. 16 HSBC building four floor Patentee after: RIFENG ENTERPRISE GROUP Co.,Ltd. Patentee after: Foshan Rifeng New Pipe Co.,Ltd. Address before: 528000 Guangdong province Foshan City Temple Road No. 16 HSBC building four floor Patentee before: Foshan Rifeng Enterprise Co.,Ltd. Patentee before: Foshan Rifeng New Pipe Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
|
| CX01 | Expiry of patent term |