CN208311684U - A kind of PPCV-R double-wall corrugated pipe - Google Patents
A kind of PPCV-R double-wall corrugated pipe Download PDFInfo
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- CN208311684U CN208311684U CN201820833429.2U CN201820833429U CN208311684U CN 208311684 U CN208311684 U CN 208311684U CN 201820833429 U CN201820833429 U CN 201820833429U CN 208311684 U CN208311684 U CN 208311684U
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- wave crest
- interior
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- reinforcing rib
- corrugated pipe
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Abstract
The utility model discloses a kind of PPCV-R double-wall corrugated pipe, and including hollow interior tube layer and undulatory external tube layer, the outer tube layer surface has the outer wave crest at interval；It is equipped with the interior wave crest concentric with the outer wave crest in hollow outer wave crest, is connected with reinforcing rib between the outer wall of interior wave crest and the inner wall of outer wave crest；The height of the interior wave crest is less than or equal to the half of outer crest height；Peak-to-peak adjacent two external wave is trough, is provided with becket in the trough.The utility model is by improving undulatory external tube layer structure, and setting has the interior wave crest and reinforcing rib of booster action inside, is used to support outer wave crest, promotes the intensity, toughness and impact resistance of double-wall corrugated pipe, is suitable for more rugged environment.
Description
Technical field
The utility model relates to double-wall corrugated pipe technical fields, more particularly, to a kind of PPCV-R double-wall corrugated pipe.
Background technique
Double-wall corrugated pipe is a kind of novel tube with cyclic structure outer wall and smooth internal walls, due to its excellent property
Great promotion and application can have been obtained in developed countries such as America and Europes, be mainly used in work with the cost of relatively economical
Pressure is in 0.6MPa large-scale water delivery, water supply, draining, blowdown, exhaust, subway ventilation, mine ventilation and field irrigation below etc..
Double-wall corrugated pipe is a kind of novel light tubing using high density polyethylene (HDPE) as raw material, has light-weight, resistance to height
The features such as pressure, good toughness, construction are fastly, the service life is long, excellent structural pipe wall design, compared with the tubing of other structures, cost
It substantially reduces.
Double-wall corrugated pipe has excellent chemical stability, ageing-resistant and resisting environmental stress and cracking performance.It is original by it
The HDPE double-wall corrugated pipe that material is produced belongs to flexible pipe.Outer wall wave structure in a ring, greatly strengthens tubing
Ring stiffness, to enhance pipeline to the resistance of soil load.
In the position that certain geographical conditions badly, frequent occurrence settle, bellows is mounted on deeper position, it is desirable that double-walled
Bellows has better toughness and rigidity, to resist the pressure of soil application.If Authorization Notice No. is CN206988592U real
The double-wall corrugated pipe disclosed in new patent, including hollow wall, spiral shape outer wall and reinforcing rib, spiral shape outer wall is by least two
Root helical corrugation is constituted, and the top of helical corrugation is internally provided with the first wire with helical corrugation same-handed structure, in
The second wire with the first wire opposite helical structure is provided on empty inner wall.Above-mentioned double-wall corrugated pipe is to pass through improvement
The structure of bellows improves rigid nature.
Although the double-wall corrugated pipe of the above-mentioned prior art can improve the performance of bellows, in the lower situation of temperature
Under, the intensity, toughness and impact resistance of bellows are significant lower, and the coffin service life is caused to decline.
Utility model content
Aiming at the problems existing in the prior art, the utility model provides a kind of PPCV-R double-wall corrugated pipe, passes through improvement
Undulatory external tube layer structure, setting has the interior wave crest and reinforcing rib of booster action inside, is used to support outer wave crest, is promoted double
The intensity, toughness and impact resistance of wall bellows are suitable for more rugged environment.
The specific technical solution that the utility model uses is as follows:
A kind of PPCV-R double-wall corrugated pipe, including hollow interior tube layer and undulatory external tube layer, the outer tube layer surface
Has spaced outer wave crest；
The interior wave crest concentric with the outer wave crest, the inner wall of the outer wall of interior wave crest and outer wave crest are equipped in hollow outer wave crest
Between be connected with reinforcing rib；
The height of the interior wave crest is less than or equal to the half of outer crest height；
Peak-to-peak adjacent two external wave is trough, is provided with becket in the trough.
In the undulatory external tube layer of the utility model, the interior wave crest equipped with lift structure intensity, and limit the height of interior wave crest
Degree is less than or equal to the half of outer crest height, avoids interior wave crest excessively high, occupies the space in excessive outer wave crest, influences double
The ring of wall bellows is flexible.
On the basis of setting increases the interior wave crest of intensity, reinforcement is connected between the outer wall of interior wave crest and the inner wall of outer wave crest
Muscle is supported between interior wave crest and outer wave crest by reinforcing rib, after outer wave crest stress, be transferred to interior wave by reinforcing rib
Peak, shared avoid pressure excessive, leading to external tube layer, deformation occurs from extraneous pressure.
Meanwhile using interior wave crest and the reinforcing rib being arranged in outer wave crest, the pressure of outer wave crest two sides can be shared, is reduced
It is transmitted to the pressure of interior tube layer, toughness and impact resistance is promoted, is unlikely to deform bellows.
Further, it is the intensity for promoting external tube layer, becket is provided in trough, becket is placed in external tube layer
It is interior, promote the rigid nature of double-wall corrugated pipe.
In the application, interior wave crest and reinforcing rib with booster action had into double shield in conjunction with the setting of becket
Effect, can further improve the rigidity of double-wall corrugated pipe.
Preferably, the reinforcing rib is connected to the middle part of interior wave crest and outer wave crest.
The position of reinforcing rib also will affect its effect, and usual reinforcing rib is connected to the middle part of interior wave crest and outer wave crest, i.e., plus
Strengthening tendons are connected to the two apart from maximum position, transmit the pressure from outer wave crest, make interior wave crest and the common stress of outer wave crest.
Reinforcing rib in the technical program is generally plate structure, can be uniformly and compartment to be a plurality of
More, the quantity of usual reinforcing rib is no more than five, avoids that excessive reinforcing rib is arranged, the ring flexibility of double-wall corrugated pipe is caused to drop
It is low.
Preferably, the reinforcing rib is flexible S type structure.
Reinforcing rib in the application can be curved S type structure, have certain elasticity, buffer from extraneous pressure
Power reduces the active force being transferred on interior wave crest, so as to reduce the active force of internal tube layer.
Other than above-mentioned S type structure, the reinforcing rib in the application can be with the elastic construction of other shapes.As preferred
, the reinforcing rib is U-shaped structure or V-structure.
The reinforcing rib of U-shaped structure or V-structure also has certain elasticity, after the pressure by outer wave crest, U-shaped structure
Or elastic deformation occurs for the reinforcing rib of V-structure, buffers extraneous active force, reduces the pressure for being transferred to interior wave crest, it may have
The effect of protection inner tube layer promotes the rigidity of double-wall corrugated pipe.
Preferably, being equipped with the reinforcing rib of S type structure in the reinforcing rib of V-structure.
In the application, the reinforcing rib of V-structure and S type structure can be used simultaneously, the reinforcing rib of S type structure is located at V
In the middle part of the reinforcing rib of type structure, intensity on the one hand can be preferably promoted, is on the other hand the buffer function common by the two,
Make double-wall corrugated pipe that there is better toughness and impact resistance.
To avoid the height of interior wave crest from influencing the ring flexibility of double-wall corrugated pipe, preferably, the height of the interior wave crest
It is the 1/3~1/2 of outer crest height.
Preferably, the outer wave crest, interior wave crest and reinforcing rib are structure as a whole, rigidity and knot can be preferably promoted
Structure intensity.
The utility model, which passes through, improves undulatory external tube layer structure, and setting has the interior wave crest of booster action and adds inside
Strengthening tendons are used to support outer wave crest, promote the intensity, toughness and impact resistance of double-wall corrugated pipe, are suitable for more rugged environment.
Detailed description of the invention
Fig. 1 is the structure chart of double-wall corrugated pipe in embodiment 1；
Fig. 2 is the structure chart of double-wall corrugated pipe in embodiment 2；
Fig. 3 is the structure chart of double-wall corrugated pipe in embodiment 3；
Fig. 4 is the structure chart of double-wall corrugated pipe in embodiment 4.
Specific embodiment
The utility model is described in detail below with reference to embodiment and attached drawing, but the utility model is not limited to that.
Embodiment 1
PPCV-R double-wall corrugated pipe as shown in Figure 1, including hollow interior tube layer 1 and undulatory external tube layer 2, external tube layer
2 surfaces have spaced outer wave crest 3.
The interior wave crest 5 concentric with outer wave crest 3 is equipped in hollow outer wave crest 3, the outer wall of interior wave crest 5 is interior with outer wave crest 3
Reinforcing rib 6 is connected between wall；The height of interior wave crest 5 is equal to the half of outer 3 height of wave crest.
In the present embodiment, the height for limiting interior wave crest 5 is equal to the half of outer 3 height of wave crest, avoids interior wave crest excessively high,
The space in excessive outer wave crest is occupied, the ring for influencing double-wall corrugated pipe is flexible.
On the basis of setting increases interior wave crest 5 of intensity, it is connected between the outer wall of interior wave crest 5 and the inner wall of outer wave crest 3
Reinforcing rib 6 is supported between interior wave crest and outer wave crest by reinforcing rib, after outer wave crest stress, be transferred to by reinforcing rib
Interior wave crest, shared avoid pressure excessive, leading to external tube layer, deformation occurs from extraneous pressure.Adding in the present embodiment
Strengthening tendons 6 are straight plate structure, and reinforcing rib 6 is connected to the middle part of interior wave crest 5 and outer wave crest 3.
It is trough 4 between adjacent two outer wave crest 3, becket 7 is provided in trough 4, becket 7 is placed in external tube layer 2.It will
Interior wave crest and reinforcing rib with booster action have double shield effect, can further mention in conjunction with the setting of becket 7
The rigidity of high double-wall corrugated pipe.
Outer wave crest 3, interior wave crest 5 and reinforcing rib 6 in the present embodiment are that integrateds molding can be used, preferably promoted rigidity with
Structural strength.
Embodiment 2
PPCV-R double-wall corrugated pipe as shown in Figure 2, including hollow interior tube layer 1 and undulatory external tube layer 2, external tube layer
2 surfaces have spaced outer wave crest 3.
The interior wave crest 5 concentric with outer wave crest 3 is equipped in hollow outer wave crest 3, the outer wall of interior wave crest 5 is interior with outer wave crest 3
Reinforcing rib 8 is connected between wall；The height of interior wave crest 5 is equal to the half of outer 3 height of wave crest.
In the present embodiment, the height for limiting interior wave crest 5 is equal to the half of outer 3 height of wave crest, avoids interior wave crest excessively high,
The space in excessive outer wave crest is occupied, the ring for influencing double-wall corrugated pipe is flexible.
On the basis of setting increases interior wave crest 5 of intensity, it is connected between the outer wall of interior wave crest 5 and the inner wall of outer wave crest 3
Reinforcing rib 8 is supported between interior wave crest and outer wave crest by reinforcing rib, after outer wave crest stress, be transferred to by reinforcing rib
Interior wave crest, shared avoid pressure excessive, leading to external tube layer, deformation occurs from extraneous pressure.
Reinforcing rib 8 in the present embodiment is flexible S type structure, is connected to the middle part of interior wave crest 5 and outer wave crest 3.
Reinforcing rib 8 is curved S type structure, has certain elasticity, buffers from extraneous pressure, makes the work being transferred on interior wave crest
Firmly reduce, so as to reduce the active force of internal tube layer.
It is trough 4 between adjacent two outer wave crest 3, becket 7 is provided in trough 4, becket 7 is placed in external tube layer 2.It will
Interior wave crest and reinforcing rib with booster action have double shield effect, can further mention in conjunction with the setting of becket 7
The rigidity of high double-wall corrugated pipe.
Outer wave crest 3, interior wave crest 5 and reinforcing rib 8 in the present embodiment are that integrateds molding can be used, preferably promoted rigidity with
Structural strength.
Embodiment 3
PPCV-R double-wall corrugated pipe as shown in Figure 3, including hollow interior tube layer 1 and undulatory external tube layer 2, external tube layer
2 surfaces have spaced outer wave crest 3.
The interior wave crest 5 concentric with outer wave crest 3 is equipped in hollow outer wave crest 3, the outer wall of interior wave crest 5 is interior with outer wave crest 3
Reinforcing rib 8 is connected between wall；The height of interior wave crest 5 is equal to the one third of outer 3 height of wave crest.
In the present embodiment, the height for limiting interior wave crest 5 is equal to the one third of outer 3 height of wave crest, avoids interior wave crest excessively high,
The space in excessive outer wave crest is occupied, the ring for influencing double-wall corrugated pipe is flexible.
On the basis of setting increases interior wave crest 5 of intensity, it is connected between the outer wall of interior wave crest 5 and the inner wall of outer wave crest 3
Reinforcing rib 8 and reinforcing rib 9, i.e., be supported between interior wave crest and outer wave crest by reinforcing rib, after outer wave crest stress, passes through reinforcement
Muscle is transferred to interior wave crest, and shared avoids pressure excessive, leading to external tube layer, deformation occurs from extraneous pressure.
In the present embodiment, reinforcing rib 9 is V-structure, it may have certain elasticity adds after the pressure by outer wave crest
Elastic deformation occurs for strengthening tendons 9, buffers extraneous active force, reduces the pressure for being transferred to interior wave crest, it may have protection inner tube layer
Effect, promotes the rigidity of double-wall corrugated pipe.
In the present embodiment, reinforcing rib 8 is flexible S type structure, is connected to the middle part of interior wave crest 5 and outer wave crest 3.Add
Strengthening tendons 8 are curved S type structure, are located in reinforcing rib 9, the two is used cooperatively.
It is trough 4 between adjacent two outer wave crest 3, becket 7 is provided in trough 4, becket 7 is placed in external tube layer 2.It will
Interior wave crest and reinforcing rib with booster action have double shield effect, can further mention in conjunction with the setting of becket 7
The rigidity of high double-wall corrugated pipe.
Outer wave crest 3, interior wave crest 5, reinforcing rib 8 and reinforcing rib 9 in the present embodiment are that integrated molding can be used, and are preferably mentioned
Rise rigidity and structural strength.
Embodiment 4
PPCV-R double-wall corrugated pipe as shown in Figure 4, including hollow interior tube layer 1 and undulatory external tube layer 2, external tube layer
2 surfaces have spaced outer wave crest 3.
The interior wave crest 5 concentric with outer wave crest 3 is equipped in hollow outer wave crest 3, the outer wall of interior wave crest 5 is interior with outer wave crest 3
Reinforcing rib 10 is connected between wall；The height of interior wave crest 5 is equal to the one third of outer 3 height of wave crest.
In the present embodiment, the height for limiting interior wave crest 5 is equal to the one third of outer 3 height of wave crest, avoids interior wave crest excessively high,
The space in excessive outer wave crest is occupied, the ring for influencing double-wall corrugated pipe is flexible.
On the basis of setting increases interior wave crest 5 of intensity, it is connected between the outer wall of interior wave crest 5 and the inner wall of outer wave crest 3
Reinforcing rib 10 is supported between interior wave crest and outer wave crest by reinforcing rib, after outer wave crest stress, be transferred to by reinforcing rib
Interior wave crest, shared avoid pressure excessive, leading to external tube layer, deformation occurs from extraneous pressure.
In the present embodiment, reinforcing rib 10 is U-shaped structure, it may have certain elasticity adds after the pressure by outer wave crest
Elastic deformation occurs for strengthening tendons 10, buffers extraneous active force, reduces the pressure for being transferred to interior wave crest, it may have protection inner tube layer
Effect, promotes the rigidity of double-wall corrugated pipe.
It is trough 4 between adjacent two outer wave crest 3, becket 7 is provided in trough 4, becket 7 is placed in external tube layer 2.It will
Interior wave crest and reinforcing rib with booster action have double shield effect, can further mention in conjunction with the setting of becket 7
The rigidity of high double-wall corrugated pipe.
Outer wave crest 3, interior wave crest 5, reinforcing rib 10 in the present embodiment are that integrateds molding can be used, preferably promoted rigidity with
Structural strength.
Physical and mechanical property test is carried out to the PPCV-R double-wall corrugated pipe in Examples 1 to 4:
Every physical and mechanical property of PPCV-R double-wall corrugated pipe meets the requirements in the present embodiment, and ring flexible test is without broken
It splits, two walls are without disengagement.
The foregoing is merely the preferable implementation examples of the utility model, are not intended to limit the utility model, all in this reality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of PPCV-R double-wall corrugated pipe, including hollow interior tube layer and undulatory external tube layer, the outer tube layer surface tool
Spaced outer wave crest, it is characterised in that:
It is equipped with the interior wave crest concentric with the outer wave crest in hollow outer wave crest, connects between the outer wall of interior wave crest and the inner wall of outer wave crest
It is connected to reinforcing rib；
The height of the interior wave crest is less than or equal to the half of outer crest height；
Peak-to-peak adjacent two external wave is trough, is provided with becket in the trough.
2. PPCV-R double-wall corrugated pipe as described in claim 1, it is characterised in that: the reinforcing rib be connected to interior wave crest and
The middle part of outer wave crest.
3. PPCV-R double-wall corrugated pipe as claimed in claim 2, it is characterised in that: the reinforcing rib is flexible S
Type structure.
4. PPCV-R double-wall corrugated pipe as described in claim 1, it is characterised in that: the reinforcing rib is U-shaped structure.
5. PPCV-R double-wall corrugated pipe as described in claim 1, it is characterised in that: the reinforcing rib is V-structure.
6. PPCV-R double-wall corrugated pipe as claimed in claim 5, it is characterised in that: be equipped with S type knot in the reinforcing rib of V-structure
The reinforcing rib of structure.
7. PPCV-R double-wall corrugated pipe as described in claim 1, it is characterised in that: the height of the interior wave crest is outer crest height of wave
The 1/3~1/2 of degree.
8. PPCV-R double-wall corrugated pipe as described in claim 1, it is characterised in that: the reinforcing rib is plate structure.
9. PPCV-R double-wall corrugated pipe as described in any one of claims 1 to 8, it is characterised in that: the outer wave crest, interior wave
Peak and reinforcing rib are structure as a whole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820833429.2U CN208311684U (en) | 2018-05-31 | 2018-05-31 | A kind of PPCV-R double-wall corrugated pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820833429.2U CN208311684U (en) | 2018-05-31 | 2018-05-31 | A kind of PPCV-R double-wall corrugated pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468877A (en) * | 2018-05-31 | 2018-08-31 | 浙江阮氏塑业有限公司 | A kind of PPCV-R double-wall corrugated pipes |
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- 2018-05-31 CN CN201820833429.2U patent/CN208311684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468877A (en) * | 2018-05-31 | 2018-08-31 | 浙江阮氏塑业有限公司 | A kind of PPCV-R double-wall corrugated pipes |
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