CN211175729U - Low temperature resistant cold insulation composite pipeline - Google Patents
Low temperature resistant cold insulation composite pipeline Download PDFInfo
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- CN211175729U CN211175729U CN201922179964.8U CN201922179964U CN211175729U CN 211175729 U CN211175729 U CN 211175729U CN 201922179964 U CN201922179964 U CN 201922179964U CN 211175729 U CN211175729 U CN 211175729U
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Abstract
The utility model relates to the technical field of composite pipelines, and discloses a low temperature resistant cold insulation composite pipeline, which comprises an inner pipe and an outer pipe, wherein the outer pipe is sleeved on the inner pipe, the axes of the inner pipe and the outer pipe are overlapped, the outer pipe is made of synthetic resin, the inner pipe is made of elastic rubber, the inner pipe and the outer pipe are connected through a plurality of buffer mechanisms, and the plurality of buffer mechanisms are fixedly connected between the inner pipe and the outer pipe in an annular shape with the axis of the inner pipe as the axis and in uniform and equal distance; buffer gear includes buffer block, dashpot, first spring and connecting block, and a plurality of buffer blocks use the axis of outer tube to be the even equidistance fixed connection of annular on the inner tube wall of outer tube as the axis, and the dashpot is seted up on the lateral wall that the buffer block is close to the inner tube, and first spring fixed connection is on the groove bottom of dashpot. The utility model discloses a buffer gear protects the pipeline for when the temperature step-down, the pipeline can not damaged.
Description
Technical Field
The utility model relates to a compound pipeline technical field especially relates to a low temperature resistant cold insulation compound pipeline.
Background
The composite pipeline is a pipeline made of synthetic resin materials, the pipeline is used for water flowing, under the low-temperature condition, water in the pipeline can be frozen, the density of ice is larger than that of water, the pipeline is broken due to the fact that the water is propped, the existing pipeline is poor in protective performance, and then the pipeline is damaged when the temperature is low, and therefore the low-temperature-resistant cold-insulation composite pipeline is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the protection performance of the existing composite pipeline is poor in the prior art and providing a low temperature resistant cold insulation composite pipeline.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a low-temperature-resistant cold insulation composite pipeline comprises an inner pipe and an outer pipe, wherein the outer pipe is sleeved on the inner pipe, the axes of the inner pipe and the outer pipe are overlapped, the outer pipe is made of synthetic resin, the inner pipe is made of elastic rubber, the inner pipe and the outer pipe are connected through a plurality of buffer mechanisms, and the plurality of buffer mechanisms are fixedly connected between the inner pipe and the outer pipe in an annular, uniform and equidistant mode by taking the axis of the inner pipe as an axis;
buffer gear includes buffer block, dashpot, first spring and connecting block, a plurality of the buffer block uses the axis of outer tube to be the even equidistance fixed connection of annular on the inner tube wall of outer tube as the axis, the dashpot is seted up on the lateral wall that the buffer block is close to the inner tube, first spring fixed connection is on the tank bottom of dashpot, the other end and the connecting block fixed connection of first spring, the notch and the outside extension of dashpot are passed to the one end that first spring was kept away from to the connecting block, and with the outer tube wall fixed connection of inner tube.
Preferably, the opposite groove walls of the buffer groove are symmetrically provided with sliding grooves, the sliding grooves are internally and slidably connected with sliding blocks, and the opposite ends of the two sliding blocks penetrate through the notches of the corresponding sliding grooves and extend outwards and are fixedly connected with the connecting blocks.
Preferably, a ball groove is formed in one end, close to the bottom of the sliding groove, of the sliding block, a ball is connected in the ball groove in a rolling mode, and one end, far away from the bottom of the ball groove, of the ball penetrates through a notch of the ball groove and extends outwards and is connected with the bottom of the sliding groove in a rolling mode.
Preferably, the side wall of the sliding block, which is far away from the inner tube, is fixedly connected with a second spring, and the other end of the second spring is fixedly connected with the groove wall of the sliding groove.
Preferably, a third spring is fixedly connected to the inner pipe wall of the outer pipe between any two adjacent buffer blocks, and the other end of the third spring is fixedly connected to the outer pipe wall of the inner pipe.
Preferably, a heat preservation sleeve is fixedly sleeved on the outer pipe wall of the outer pipe.
Preferably, the both ends of outer tube all are equipped with the connecting cylinder, and two the equal fixedly connected with of one end that the connecting cylinder carried on the back mutually seals the lid, the water hole has been seted up at the middle part of sealed lid, sealed lid uses the water hole to be the even equidistance of annular distribution for the heart of a ring and has seted up a plurality of bleeder vent, is located fixedly connected with round is sealed to be filled up on the inner tube wall of inner tube internal seal lid, and sealed the interior pipe wall that fills up and offset with the inner tube.
Preferably, the outer pipe wall of the inner pipe corresponding to the buffer block is fixedly connected with a reinforcing block.
Preferably, the buffer block and the outer pipe are in an integrally formed structure.
Compared with the prior art, the utility model provides a low temperature resistant cold insulation composite pipe possesses following beneficial effect:
this low temperature resistant cold insulation composite pipe, through setting up the buffer block, the dashpot, first spring and connecting block, when rivers flow through the pipeline, flow through the inner tube, become low when the temperature step-down, make when the inner tube water freezes, make the inner tube volume increase, because the inner tube adopts elastic rubber to make, and then first spring is compressed, the existence of first spring protects the inner tube, resume as the temperature, the ice melts in the inner tube, and then first spring resets, inner tube elastic material makes the pipeline reset, and then the cushioning effect through first spring, protect the pipeline, when the temperature step-down, the pipeline can not damaged.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a buffer gear protects the pipeline for when the temperature step-down, the pipeline can not damaged.
Drawings
Fig. 1 is a schematic structural view of a low temperature resistant cold insulation composite pipeline provided by the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 2;
fig. 4 is an enlarged view of a portion C in fig. 3.
In the figure: 1 inner tube, 2 outer tubes, 3 buffer mechanisms, 31 buffer blocks, 32 buffer grooves, 33 first springs, 34 connecting blocks, 4 sliding grooves, 5 sliding blocks, 6 ball grooves, 7 balls, 8 second springs, 9 third springs, 10 sealing covers and 11 heat preservation sleeves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a low temperature resistant cold insulation composite pipeline comprises an inner pipe 1 and an outer pipe 2, wherein the outer pipe 2 is sleeved on the inner pipe 1, the axes of the inner pipe 1 and the outer pipe 2 are overlapped, the outer pipe 2 is made of synthetic resin, the inner pipe 1 is made of elastic rubber, the inner pipe 1 and the outer pipe 2 are connected through a plurality of buffer mechanisms 3, and the plurality of buffer mechanisms 3 are fixedly connected between the inner pipe 1 and the outer pipe 2 in an annular, uniform and equidistant manner by taking the axis of the inner pipe 1 as the axis;
the buffer mechanism 3 comprises buffer blocks 31, buffer grooves 32, first springs 33 and connecting blocks 34, wherein the buffer blocks 31 are fixedly connected to the inner pipe wall of the outer pipe 2 in an annular uniform equidistant manner by taking the axis of the outer pipe 2 as the axis, the buffer grooves 32 are arranged on the side wall of the buffer blocks 31 close to the inner pipe 1, the first springs 33 are fixedly connected to the bottom of the buffer grooves 32, the other ends of the first springs 33 are fixedly connected with the connecting blocks 34, one ends of the connecting blocks 34 far away from the first springs 33 penetrate through the notches of the buffer grooves 32 and extend outwards and are fixedly connected with the outer pipe wall of the inner pipe 1, when water flows through the pipeline, the water flows through the inner pipe 1, when the temperature is lowered, so that the water in the inner pipe 1 is frozen, the volume of the inner pipe 1 is increased, because the inner pipe 1 is made of elastic rubber, and then the first springs 33 are compressed, the first springs 33 protect the inner pipe 1, ice melts in the inner tube 1, and then first spring 33 resets, and 1 elastic material of inner tube makes the pipeline reset, and then protects the pipeline through the cushioning effect of first spring 33, and when the temperature step-down, the pipeline can not damaged.
The ball groove 6 has been seted up to the one end that slider 5 is close to 4 tank bottoms of spout, and ball groove 6 internal rolling is connected with ball 7, and ball 7 is kept away from the one end of 6 tank bottoms of ball groove and is passed 6 notch in ball groove and outwards extend, and with the tank bottom rolling connection of spout 4, makes the gliding more swift of slider 5.
The slider 5 is kept away from on the lateral wall of inner tube 1 fixedly connected with second spring 8, and the other end of second spring 8 and the cell wall fixed connection of spout 4 improve the buffering protective effect.
And a third spring 9 is fixedly connected to the inner pipe wall of the outer pipe 2 between any two adjacent buffer blocks 31, and the other end of the third spring 9 is fixedly connected with the outer pipe wall of the inner pipe 1, so that the buffer protection effect is improved.
The outer pipe wall of outer tube 2 is fixed with the cover 11 that keeps warm on, protects outer tube 2.
The both ends of outer tube 2 all are overlapped and are equipped with connecting cylinder 12, and two connecting cylinders 12 the equal sealed lid 10 of fixedly connected with in one end that carries on the back mutually, and the water hole has been seted up at the middle part of sealed lid 10, and sealed lid 10 uses the water hole to be the even equidistance of annular distribution for the heart of the ring and has seted up a plurality of bleeder vent, and the fixedly connected with round is sealed to be sealed on being located the inner tube wall of the sealed lid 10 of inner tube 1 and seals up, and sealed the interior pipe wall that fills.
The outer pipe wall of the inner pipe 1 corresponding to the buffer block 31 is fixedly connected with a reinforcing block.
The buffer block 31 is integrally formed with the outer tube 2.
The utility model discloses in, when rivers flow through the pipeline, flow through inner tube 1, become when the temperature step-down, make 1 interior water of inner tube freeze, make 1 increase in size of inner tube, because inner tube 1 adopts elastic rubber to make, and then first spring 33 is compressed, the existence of first spring 33 protects inner tube 1, when the temperature resumes, ice melts in the inner tube 1, and then first spring 33 resets, 1 elastic material of inner tube makes the pipeline reset, and then the cushioning effect through first spring 33, protect the pipeline, when the temperature step-down, the pipeline can not damaged.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a low temperature resistant cold insulation composite pipe, includes inner tube (1) and outer tube (2), outer tube (2) cover is established on inner tube (1), and the axis of inner tube (1) and outer tube (2) overlaps mutually, its characterized in that, the material of outer tube (2) is synthetic resin, the material of inner tube (1) is the elastic rubber material, connect through a plurality of buffer gear (3) between inner tube (1) and outer tube (2), a plurality of buffer gear (3) use the axis of inner tube (1) as the axis be the even equidistance fixed connection of annular between inner tube (1) and outer tube (2);
buffer gear (3) are including buffer block (31), dashpot (32), first spring (33) and connecting block (34), a plurality of the axis that buffer block (31) used outer tube (2) is the even equidistance fixed connection of annular on the inner tube wall of outer tube (2) as the axis, dashpot (32) are seted up on buffer block (31) are close to the lateral wall of inner tube (1), first spring (33) fixed connection is on the tank bottom of dashpot (32), the other end and connecting block (34) fixed connection of first spring (33), the notch of dashpot (32) and outside extension are passed to the one end that first spring (33) were kept away from in connecting block (34), and with the outer tube wall fixed connection of inner tube (1).
2. The low-temperature-resistant cold-insulation composite pipeline according to claim 1, wherein sliding grooves (4) are symmetrically formed in opposite groove walls of the buffer groove (32), sliding blocks (5) are slidably connected in the sliding grooves (4), and opposite ends of the two sliding blocks (5) penetrate through the notches of the corresponding sliding grooves (4), extend outwards and are fixedly connected with the connecting blocks (34).
3. The low temperature resistant and cold insulation composite pipeline according to claim 2, wherein a ball groove (6) is formed at one end of the sliding block (5) close to the bottom of the sliding chute (4), a ball (7) is connected in the ball groove (6) in a rolling manner, and one end of the ball (7) far away from the bottom of the ball groove (6) penetrates through the notch of the ball groove (6) and extends outwards and is connected with the bottom of the sliding chute (4) in a rolling manner.
4. The low temperature resistant and cold insulation composite pipeline according to claim 2, wherein the side wall of the sliding block (5) far away from the inner pipe (1) is fixedly connected with a second spring (8), and the other end of the second spring (8) is fixedly connected with the groove wall of the sliding groove (4).
5. The low temperature resistant cold insulation composite pipeline according to claim 2, wherein a third spring (9) is fixedly connected to the inner pipe wall of the outer pipe (2) between any two adjacent buffer blocks (31), and the other end of the third spring (9) is fixedly connected to the outer pipe wall of the inner pipe (1).
6. The low temperature resistant cold insulation composite pipeline according to claim 1, wherein a thermal insulation sleeve (11) is fixedly sleeved on the outer pipe wall of the outer pipe (2).
7. The low temperature resistant and cold insulation composite pipeline according to claim 1, wherein both ends of the outer pipe (2) are sleeved with connecting cylinders (12), and both ends of the two connecting cylinders (12) opposite to each other are fixedly connected with sealing covers (10), a water hole is formed in the middle of each sealing cover (10), the sealing covers (10) are annularly distributed with a plurality of air holes uniformly and equidistantly around the water hole, a circle of sealing gasket is fixedly connected to the inner wall of each sealing cover (10) in the inner pipe (1), and the sealing gasket abuts against the inner wall of the inner pipe (1).
8. The low temperature resistant cold insulation composite pipeline according to claim 1, wherein a reinforcing block is fixedly connected to the outer pipe wall of the inner pipe (1) corresponding to the buffer block (31).
9. The composite pipeline according to claim 1, wherein the buffer block (31) and the outer pipe (2) are in an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922179964.8U CN211175729U (en) | 2019-12-09 | 2019-12-09 | Low temperature resistant cold insulation composite pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922179964.8U CN211175729U (en) | 2019-12-09 | 2019-12-09 | Low temperature resistant cold insulation composite pipeline |
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| CN211175729U true CN211175729U (en) | 2020-08-04 |
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| CN201922179964.8U Active CN211175729U (en) | 2019-12-09 | 2019-12-09 | Low temperature resistant cold insulation composite pipeline |
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| CN (1) | CN211175729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664730A (en) * | 2020-12-30 | 2021-04-16 | 福建恒杰塑业新材料有限公司 | Double-layer expansion pipe |
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2019
- 2019-12-09 CN CN201922179964.8U patent/CN211175729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664730A (en) * | 2020-12-30 | 2021-04-16 | 福建恒杰塑业新材料有限公司 | Double-layer expansion pipe |
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