CN209370620U - A kind of anticollision CM bellows - Google Patents
A kind of anticollision CM bellows Download PDFInfo
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- CN209370620U CN209370620U CN201822217547.3U CN201822217547U CN209370620U CN 209370620 U CN209370620 U CN 209370620U CN 201822217547 U CN201822217547 U CN 201822217547U CN 209370620 U CN209370620 U CN 209370620U
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Abstract
The utility model discloses a kind of anticollision CM bellowss, including the tube body being made of inner tube and outer tube, the inner tube is detachably connected with outer tube, and the outer wall of the inner tube is equipped with undulatory reinforcing rib, and the outer tube is made of arc concave shape and arc evagination.The bellows devises interior outer double-layer structure, it is all made of CM material, in the case where inheriting CM pipe excellent impact resistance energy, passes through the setting of outer tube, the buffering that impact is carried out, tubing entirety shock resistance crashworthiness is significantly improved, meanwhile, outer tube is conducive to the placement and fixation of tubing, improve storage and transportation and installation effectiveness, and difficulty is lower in production technology, and production cost is low, is convenient for volume production.
Description
Technical field
The utility model relates to a kind of plastic pipe, in particular to a kind of anticollision CM bellowss.
Background technique
CM bellows is a kind of modified polychloroethylene pipes, and shock resistance is much higher than UPVC tubing, and greatly improves
The toughness of tubing.By taking the tubing of 200mm as an example, in the case where 0 DEG C, the quality of dropping hammer of 2m can achieve 10kg；And at 20 DEG C
In the case where, the quality of dropping hammer of 20m can be up to 20kg, and recess hole only occurs in tubing after impact, will not rupture.Same shape
There is UPVC under condition etc. the tubing of good impact resistance different degrees of rupture occur.But traditional CM bellows and its
Its tubing is the same the case where considering production difficulty and cost, the simple unified tubing of selection production pipe structure, so that CM wave
The anticollision impact resistance of line pipe cannot perform to more preferably state, still be easy to appear in actual use a certain proportion of
Rupture, and need to reduce efficiency by certain auxiliary fixing device, improve cost in storage and transportation and installation process.
Utility model content
The purpose of this utility model is to provide for a kind of anticollision CM bellows, which devises the inside and outside double-deck knot
Structure is all made of CM material, in the case where inheriting CM pipe excellent impact resistance energy, by the setting of outer tube, to impact
The buffering of progress significantly improves tubing entirety shock resistance crashworthiness, meanwhile, outer tube is conducive to the placement of tubing and consolidates
It is fixed, storage and transportation and installation effectiveness are improved, and difficulty is lower in production technology, production cost is low, is convenient for volume production.
In order to achieve the above object, the utility model provides following technical solution: a kind of anticollision CM bellows, including by
The tube body of inner tube and outer tube composition, the inner tube are detachably connected with outer tube, and the outer wall of the inner tube is equipped with wave
The reinforcing rib of line shape, the outer tube are made of arc concave shape and arc evagination, the arc concave shape and the outer convex edge tube body of arc
Axial length extend, and arc concave shape replaces end to end formation circular configuration, institute with arc evagination in the circumferential direction of tube body
The inner wall for stating arc concave shape is equipped with the arc raised line extended along tube body axial length, and the arc raised line abuts the outer of inner tube
Wall.
It is further preferred that being coated with the sliding coating of increasing on the outer wall of the inner tube and the inner wall of outer tube.
It is further preferred that the outer wall crest location of the arc evagination is equipped with resilient rubbber cushion.
The utility model has the beneficial effects that the bellows devises interior outer double-layer structure, it is all made of CM material, is being inherited
In the case where CM pipe excellent impact resistance energy, pipe is significantly improved to the buffering that impact carries out by the setting of outer tube
Material entirety shock resistance crashworthiness, meanwhile, outer tube is conducive to the placement and fixation of tubing, storage and transportation and installation effectiveness are improved,
And difficulty is lower in production technology, and production cost is low, is convenient for volume production.
Detailed description of the invention
Attached drawing 1 is the cross-sectional view of the tube body.
Attached drawing 2 is the structural schematic diagram of the inner tube.
Attached drawing 3 is the enlarged diagram of A.
Attached drawing 4 is the enlarged diagram of B.
Marginal data: 1, inner tube；2, outer tube；3, increase sliding coating；11, reinforcing rib；21, arc concave shape；22, outside arc
It is convex；211, arc raised line；221, resilient rubbber cushion.
Specific embodiment
We are described further a kind of anticollision CM bellows described in the utility model in conjunction with attached drawing below.
Shown in as shown in Figure 1 to Figure 4, a kind of anticollision CM bellows of the present embodiment, including by inner tube 1 and 2 groups of outer tube
At tube body, the inner tube 1 is detachably connected with outer tube 2, and the outer wall of the inner tube 1 is equipped with undulatory reinforcing rib
11, the outer tube 2 is made of arc concave shape 21 and arc evagination 22, and the arc concave shape 21 and arc evagination 22 are along tube body
Axial length extends, and arc concave shape 21 replaces end to end formation circular configuration with arc evagination 22 in the circumferential direction of tube body,
The inner wall of the arc concave shape 21 is equipped with the arc raised line 211 extended along tube body axial length, and the arc raised line 211 abuts interior
The outer wall of layer pipe 1.The sliding coating 3 of increasing is coated on the outer wall of the inner tube 1 and the inner wall of outer tube 2.The arc evagination 22
Outer wall crest location is equipped with resilient rubbber cushion 221.
The bellows service condition is as follows: the inner tube 1 and outer tube 2 can be independently squeezed by production equipment
Then outer tube 2 is set in inner tube 1 by type, both ends reserve smooth and connect and fix for pipeline.In tube body
When being collided, deformation occurs for the meeting of arc evagination 22 to buffer the impulsive contact force being subject to, and arc evagination 22 becomes flat, due to internal layer
Pipe 1 and outer tube 2 be not it is integrated, arc evagination 22 deformation after, arc raised line 211 can centered on colliding stress point to two
Side displacement, while cushioning shock power, will not easily impact the structural integrity of tube body, since 2 wall of outer tube is thinner than
Inner tube 1 is more advantageous to recovery after deformation, under the influence of not by persistently excessive impulsive contact force, can play that unload power slow for a long time
The effect of punching, to effectively improve the whole anti-collision performance of tube body；In the daily storage and transportation of tube body and during install and use, outside
The adjacent arc evagination 22 of layer pipe 2 can form positioning plane, to reduce storage and transportation and install and use difficulty, control cost, mention
High efficiency.
The protection scope of the utility model is not limited to above embodiments and its transformation.Those skilled in that art are with this implementation
Conventional modification and replacement are carried out based on the content of example, belong to the protection category of the utility model.
Claims (3)
1. a kind of anticollision CM bellows, it is characterised in that: including the tube body being made of inner tube and outer tube, the inner tube with
Outer tube is detachably connected, and the outer wall of the inner tube is equipped with undulatory reinforcing rib, and the outer tube is by arc concave shape and arc
The axial length of shape evagination composition, the arc concave shape and the outer convex edge tube body of arc extends, and in the circumferential direction of tube body in arc
Recessed to replace end to end formation circular configuration with arc evagination, the inner wall of the arc concave shape is equipped with to be extended along tube body axial length
Arc raised line, the arc raised line abuts the outer wall of inner tube.
2. a kind of anticollision CM bellows according to claim 1, it is characterised in that: the outer wall and outer tube of the inner tube
Inner wall on be coated with the sliding coating of increasing.
3. a kind of anticollision CM bellows according to claim 1, it is characterised in that: the outer wall wave crest position of the arc evagination
Install flexible rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822217547.3U CN209370620U (en) | 2018-12-27 | 2018-12-27 | A kind of anticollision CM bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822217547.3U CN209370620U (en) | 2018-12-27 | 2018-12-27 | A kind of anticollision CM bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370620U true CN209370620U (en) | 2019-09-10 |
Family
ID=67827478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822217547.3U Active CN209370620U (en) | 2018-12-27 | 2018-12-27 | A kind of anticollision CM bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370620U (en) |
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2018
- 2018-12-27 CN CN201822217547.3U patent/CN209370620U/en active Active
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