CN203431373U - Quick coupling of composite thermal insulation pipe - Google Patents
Quick coupling of composite thermal insulation pipe Download PDFInfo
- Publication number
- CN203431373U CN203431373U CN201320501505.7U CN201320501505U CN203431373U CN 203431373 U CN203431373 U CN 203431373U CN 201320501505 U CN201320501505 U CN 201320501505U CN 203431373 U CN203431373 U CN 203431373U
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- Prior art keywords
- pipe
- ring
- rubber seal
- thermal insulation
- seal ring
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- Expired - Fee Related
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- 238000009413 insulation Methods 0.000 title claims abstract description 32
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 230000008878 coupling Effects 0.000 title abstract description 8
- 238000010168 coupling process Methods 0.000 title abstract description 8
- 238000005859 coupling reaction Methods 0.000 title abstract description 8
- 229920001971 elastomer Polymers 0.000 claims abstract description 44
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004321 preservation Methods 0.000 abstract description 3
- 238000003032 molecular docking Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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Abstract
The utility model relates to a quick coupling of a composite thermal insulation pipe. The composite thermal insulation pipe comprises a plurality of operation pipelines and heat preservation layers, wherein the operation pipelines are sequentially connected, the heat preservation layers wrap the operation pipelines, ports of adjacent operation pipelines are parallel and opposite and an interval is reserved between the adjacent operation pipelines, the end of each operation pipeline is provided with a pipe head flange, and the adjacent operation pipelines are clamped to the pipe head flanges for connection and fixation through the quick coupling. The quick coupling comprises a pipe clamp and an annular rubber seal ring. An inverted-cone-shaped cavity is formed in the inner side of the annular rubber seal ring, a trapezoid protrusion is arranged on the outer side of the annular rubber seal ring, the pipe clamp is of an annular structure formed by two semi-ring bodies, a trapezoid groove corresponding to the trapezoid protrusion on the outer side of the annular rubber seal ring is formed in the inner side of each semi-ring body, the annular rubber seal ring is clamped on the pipe head flanges of two adjacent operation pipelines, the inverted-cone-shaped cavity is communicated with the intervals, and the pipe clamp is clamped to the outer side of the annular rubber seal ring. The quick coupling of the composite thermal insulation pipe is simple in structure, convenient to install and good in sealing effect.
Description
Technical field
The utility model relates to the connection set of pipeline, specially refers to a kind of quick coupling device of composite thermal insulation pipe.
Background technique
Thermal insulation pipe is widely used in the conveying of liquid, gas, chemical pipeline heat insulating work, oil, chemical industry, central heat supply net, ventilating duct of central air conditioner, municipal engineering etc.Because the delivering pipe route of liquid, gas is long, need a plurality of thermal insulation pipes to connect, the workload that pipeline connects is larger.
In modern technologies, the method that adopts looping docking, socket joint bonding to be connected with flange for the conventional fiber reinforced plastic pipe in the fields such as general oil, municipal administration links together pipe end.But because composite insulating pipe consists of glass fibre reinforced plastics, polyurethane, in glass fibre reinforced plastics service pipe periphery, having thick layer is the polyurethane insulation coating of 50mm left and right, the reserved joint length of pipe head is limited, therefore, looping docking and socket joint bonding butt joint length have the Connecting format of strict demand not too applicable, axially construction inconvenience during movement pipeline in installation process in addition, also easily causes thermal insulation layer damaged.And flange connection is to be first fixed on separately on a flange plate at two pipelines, between two flange plate, add flange gasket, be bolted together, install more loaded down with trivial details, axis centering to be connected two pipelines has strict demand, otherwise can cause flange injustice and the seepage of generation carrier gas, liquid.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, the thermal insulation pipe rapid pipe joint that provides a kind of novel composite material to make.Rapid pipe joint of the present utility model is wanted the reserved shorter thermal insulation pipe of joint closely to be linked together, do not leak, and simple in structure, remove and install convenience, good sealing effect.
In order to reach foregoing invention object, the technological scheme that the utility model provides is as follows:
A kind of rapid pipe joint of composite thermal insulation pipe, described composite thermal insulation pipe includes a plurality of service pipes that connect successively and is wrapped in the thermal insulation layer in service pipe outside, adjacent service pipe port is parallel relatively and leave gap, port position at service pipe is tube head flange, between adjacent service pipe, utilizing rapid pipe joint to be sandwiched in tube head flange place is connected and fixed, described rapid pipe joint includes pipe clamp and ring-shaped rubber seal ring, the inner side of described ring-shaped rubber seal ring is inverted cone cavity, outside is trapezoidal projection, described pipe clamp is the loop configuration being comprised of two semi-ring bodies, the inner side of described semi-ring body is the trapezoidal groove corresponding with trapezoidal projection outside ring-shaped rubber seal ring, described ring-shaped rubber seal ring is stuck on two tube head flanges between adjacent service pipe, described inverted cone cavity is communicated with described gap, described pipe clamp is sandwiched in the outside of described ring-shaped rubber seal ring.
In the rapid pipe joint of a kind of composite thermal insulation pipe of the present utility model, the making material of described pipe clamp is glass fibre reinforced plastics.
In the rapid pipe joint of a kind of composite thermal insulation pipe of the present utility model, semi-ring body bilateral symmetry is provided with bolt hole, and two described semi-ring bodies are fixed into ring pipe card structure by bolt passing through bolt hole.
Based on above-mentioned technology contents, rapid pipe joint of the present utility model is compared and is had following technological merit with the joint form of prior art:
1. the inner side of the rubber annular rubber seal in the rapid pipe joint of a kind of composite thermal insulation pipe of the present utility model is designed with inverted cone cavity, when two pipeline end faces closely sealed when tight, can rubber annular rubber seal be further pressed on to the inwall of tube head flange outer rim and pipe clamp by the pressure of medium in pipe, play self sealing action.The connection set that is different from general pipeline is only brought into play the Connecting format of seal action by pretightening force, but leans on the Connecting format that in pretightening force and medium, pressure plays a role simultaneously.
2. between two service pipes in the rapid pipe joint of a kind of composite thermal insulation pipe of the present utility model, leave gap.When pipeline internal medium temperature raises, fiber reinforced plastic pipe is because action of thermal difference will produce thermal expansion, and now the gap between two service pipes can absorb certain thermal expansion, reduces pipeline thermal stress, play the effect of temperature compensator, thereby can extend the working life of pipeline.
Accompanying drawing explanation
Fig. 1 is the rapid pipe joint of the utility model composite thermal insulation pipe and the linkage structure schematic diagram of thermal insulation pipe.
Fig. 2 is the structural representation of semi-ring body in the rapid pipe joint of the utility model composite thermal insulation pipe.
Embodiment
Below we do further and elaborate rapid pipe joint of the present utility model with specific embodiment by reference to the accompanying drawings, in the hope of clearer understanding structure of the present utility model, form and working principle, but can not limit protection domain of the present utility model with this.
Please see Figure 1, as seen from the figure, from structure composite thermal insulation pipe of the present utility model, include the service pipe 1 connecting successively, the coated outside of service pipe 1 has one layer of heat preservation layer 2, for convenience of a bit of thermal insulation layer 2 that do not wrap up of close port on the connection service pipe 1 of service pipe.
When two adjacent service pipes 1 connect, the port of adjacent service pipe 1 is docking together in parallel to each other.When two service pipes 1 connect, gap 8 is left in joint, like this when the interior medium temperature of service pipe 1 raises, the service pipe 1 that glass fibre reinforced plastic material is made is because action of thermal difference will produce thermal expansion, now the gap 8 between two service pipes 1 can absorb certain thermal expansion, reduce the thermal stress of service pipe 1, thereby play the effect of temperature compensator.
Insulation pipe quick coupling device of the present utility model includes ring-shaped rubber seal ring 4 and pipe clamp 6.The two ends of service pipe 1 are equipped with a circle tube head flange 3.According to the girth size of service pipe 1, select the ring-shaped rubber seal ring 4 of suitable types, the elasticity itself having according to ring-shaped rubber seal ring 4 is enclosed within on two adjacent tube head flanges 3, and ring-shaped rubber seal ring 4 inner ring surfaces are fitted tightly on two adjacent tube head flanges 3.
Please see Figure 2, Fig. 2 is semi-circular body structure schematic diagram, and pipe clamp is comprised of two semi-ring bodies 9, and it is staggered relatively that the two ends of semi-ring body 9 are provided with the bolt hole 92 of 92, two semi-ring bodies 9 of bolt hole, and with bolt 7, is fixed into the pipe clamp 6 of ring-type.By the installing/dismounting of bolt on the semi-ring body 9 of two docking, can realize the folding of pipe clamp, semi-ring body 9 two ends of two docking are fixedly connected with and pipe clamp 6 can be anchored on ring-shaped rubber seal ring 4, and the bolt 7 on two docking semi-ring bodies 9 is taken off and pipe clamp 6 can be removed from ring-shaped rubber seal ring 4.Docking is enclosed within on service pipe 1 in the actual connection of service pipe 1, according to service pipe 1 girth, selects suitable pipe clamp 6.
Pretightening force when two service pipe 1 initial sealings connect between main tube card 6 and ring-shaped rubber seal ring 4 provides.Make pipe clamp 6 clamp annular rubber seal 4, ring-shaped rubber seal ring 4 extruding service pipes 1, and then play seal action.After pressure medium in service pipe 1 raises, due to inverted cone cavity 5 and service pipe 1 internal communication, the internal pressure of inverted cone cavity 5 continues ring-shaped rubber seal ring 4 to pipe clamp 6 and 3 extruding of tube head flange, pressure is larger, ring-shaped rubber seal ring 4 is tighter with 3 extruding of tube head flange, and sealing effect better.Insulation pipe rapid pipe joint has self sealing action.
When pipe clamp 6 is slowly fastened on service pipe 1, the ring-shaped rubber seal ring 4 in pipe clamp 6 extruding trapezoidal grooves, pushes ring-shaped rubber seal ring 4 and tube head flange 3 mutually, and pipe clamp 6 is closely connected with service pipe 1.Tube head flange 3 on service pipe 1 plays the effect that makes pipe clamp 6 be connected closely, strengthen sealing effect with service pipe 1.
For different execution conditions, the production method of pipe clamp 6 has two kinds, there is no to adopt hand pasting forming under the condition of special device, is applicable to pipe clamp 6 negligible amounts and the situation not high to the shape need of pipe clamp 6, and hand pasting forming is simple to operate, saving cost.During as batch production, can adopt mould method of moulding on moulding press to make rapid pipe joint pipe clamp 6, can make like this its physical dimension more rational, outward appearance is more attractive in appearance, and its performance is good.
Quick coupling device of the present utility model has following two kinds of operating method when connecting service pipe,
Method one:
The first step: ring-shaped rubber seal ring 4 is enclosed within on a service pipe 1;
Second step: make the port docking of two service pipes 1;
The 3rd step: ring-shaped rubber seal ring 4 is in rotary moving to another service pipe 1 from the service pipe 1 at place, when inverted cone cavity 5 is positioned at 8 position, gap of two service pipes, stop mobile.
The 4th step: two semi-ring bodies 9 are butted up against on ring-shaped rubber seal ring 4, and fixing with bolt 7.
Method two:
The first step: half is enclosed within on the tube head flange 3 of service pipe 1 by ring-shaped rubber seal ring 4;
Second step: get another service pipe 1, the tube head flange of pipeline 3 is inserted and makes the port of two service pipes 1 connect in ring-shaped rubber seal ring 4;
The 3rd step: adjust the position of annular rubber seal 4, make inverted cone cavity 5 be positioned at the interstitial site of two service pipes 1;
The 4th step: two semi-ring bodies 9 are butted up against on ring-shaped rubber seal ring 4, and fixing with bolt 7.
By said structure, form with working principle and can find out that thermal insulation pipe rapid pipe joint cost is low, construction and installation are quick, easy to maintenance, reliable in quality, as long as pipeline internal medium pressure is no more than the intensity of ring-shaped rubber seal ring and pipe clamp and the limit of rigidity, sealing just can not lost efficacy.
Claims (3)
1. the rapid pipe joint of a composite thermal insulation pipe, described composite thermal insulation pipe includes a plurality of service pipes that connect successively and is wrapped in the thermal insulation layer in service pipe outside, it is characterized in that: adjacent service pipe port is parallel relatively and leave gap, port position at service pipe is tube head flange, between adjacent service pipe, utilizing rapid pipe joint to be sandwiched in tube head flange place is connected and fixed, described rapid pipe joint includes pipe clamp and ring-shaped rubber seal ring, the inner side of described ring-shaped rubber seal ring is inverted cone cavity, outside is trapezoidal projection, described pipe clamp is the loop configuration being comprised of two semi-ring bodies, the inner side of described semi-ring body is the trapezoidal groove corresponding with trapezoidal projection outside ring-shaped rubber seal ring, described ring-shaped rubber seal ring is stuck on two tube head flanges between adjacent service pipe, described inverted cone cavity is communicated with described gap, described pipe clamp is sandwiched in the outside of described ring-shaped rubber seal ring.
2. the rapid pipe joint of a kind of composite thermal insulation pipe according to claim 1, is characterized in that, the making material of described pipe clamp is glass fibre reinforced plastics.
3. the rapid pipe joint of a kind of composite thermal insulation pipe according to claim 1, is characterized in that, semi-ring body bilateral symmetry is provided with bolt hole, and two described semi-ring bodies are fixed into ring pipe card structure by bolt passing through bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501505.7U CN203431373U (en) | 2013-08-16 | 2013-08-16 | Quick coupling of composite thermal insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501505.7U CN203431373U (en) | 2013-08-16 | 2013-08-16 | Quick coupling of composite thermal insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203431373U true CN203431373U (en) | 2014-02-12 |
Family
ID=50060410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320501505.7U Expired - Fee Related CN203431373U (en) | 2013-08-16 | 2013-08-16 | Quick coupling of composite thermal insulation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203431373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106834976A (en) * | 2017-03-10 | 2017-06-13 | 安徽安凯汽车股份有限公司 | A kind of direct insertion Quick joinker for pipeline composite and its production technology |
| CN118757622A (en) * | 2024-09-06 | 2024-10-11 | 中国水利水电第九工程局有限公司 | A pipe joint structure for water conservancy construction |
-
2013
- 2013-08-16 CN CN201320501505.7U patent/CN203431373U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106834976A (en) * | 2017-03-10 | 2017-06-13 | 安徽安凯汽车股份有限公司 | A kind of direct insertion Quick joinker for pipeline composite and its production technology |
| CN106834976B (en) * | 2017-03-10 | 2018-05-18 | 安徽安凯汽车股份有限公司 | A kind of direct insertion Quick joinker for pipeline composite material and its production technology |
| CN118757622A (en) * | 2024-09-06 | 2024-10-11 | 中国水利水电第九工程局有限公司 | A pipe joint structure for water conservancy construction |
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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: 20140212 Termination date: 20140816 |
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| EXPY | Termination of patent right or utility model |