CN208951454U - A kind of pressure resistance bellows - Google Patents
A kind of pressure resistance bellows Download PDFInfo
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- CN208951454U CN208951454U CN201821312581.2U CN201821312581U CN208951454U CN 208951454 U CN208951454 U CN 208951454U CN 201821312581 U CN201821312581 U CN 201821312581U CN 208951454 U CN208951454 U CN 208951454U
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- tube body
- layer tube
- plate
- internal layer
- support frame
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Abstract
The utility model relates to a kind of pressure resistance bellows, including internal layer tube body and outer layer tube body, the outside of internal layer tube body is equipped with raised line, the outside of internal layer tube body is arranged in outer layer tube body, annular support body is provided on the outside of outer layer tube body, support frame is provided between outer layer tube body and internal layer tube body, support frame is arranged in supporter；Support frame is circular ring structure, including bottom plate and two side support plates, side support plate is arranged in the left and right sides of bottom plate and is arranged in parallel with the side of corresponding supporter, and for the U-shaped opening of bottom plate and the formation of two side support plates towards the lateral direction of internal layer tube body, side support plate is elastic plate.The utility model is by being arranged support frame between internal layer tube body and outer layer tube body, substantially increase the intensity and ring stiffness and compression strength of tubing, and support frame can not only support bellows in radial direction, the texturization solution axial compressive force of support frame can be passed through again, the intensity and ring stiffness for improving tubing, substantially increase the safety of tubing.
Description
Technical field
The utility model relates to Bellows Technology field, in particular to a kind of pressure resistance bellows.
Background technique
HDPE double-wall corrugated pipe, abbreviation PE bellows are sent out via single kind by the development of more than ten years and perfect
Open up complete product line.Double-wall corrugated pipe is a kind of novel light tubing using high density polyethylene (HDPE) as raw material, is had
The features such as light-weight, high pressure resistant, good toughness, construction are fastly, the service life is long, excellent structural pipe wall design, the pipe with other structures
Material is compared, and cost substantially reduces.And due to easy to connect, reliable, it is widely used at home and abroad.
In the design of the pipeline configuration of general geological state and landfill depth, it is generally recognized that the tubing of SN8 series can expire
The requirement of sufficient pipe-line system.But actual conditions are, common special material for tube, such as YGH041T, DGDB2480, P600, directly
The grade of SN8 series tubing is far not achieved mostly in 6kN/m2 or so in the pipe ring stiffness produced.In production, although wave
The ring stiffness of line pipe reaches requirement, but other performances may not reach in acceptability limit, especially addition except polyethylene with
When outer ingredient, it be easy to cause the flexibility and processing performance of tubing.If improving it by way of increasing single layer wall thickness
Compression strength, then cause that bellows intensity is very big and compensation rate is smaller, and compressive resistance raising amount is limited, additionally, there may be the service life
Short, the disadvantages of stability is poor, uneconomical.Therefore, the ring stiffness of tubing how is effectively improved, and maintains other performances in qualified model
It is a urgent problem in enclosing.
Utility model content
One purpose of the utility model is to provide a kind of pressure resistance bellows, improves the anti-pressure ability of bellows.
The above-mentioned purpose of the utility model has the technical scheme that a kind of pressure resistance bellows, including
Internal layer tube body and outer layer tube body, the outside of the internal layer tube body are equipped with the raised line of several protrusions, and the raised line is along the inner tube
The even circumferential of body is distributed, and the outside of the internal layer tube body, the outside setting of the outer layer tube body is arranged in the outer layer tube body
There is annular support body, the supporter is arranged along the length direction interval of outer layer tube body, the outer layer tube body and the inner tube
Support frame is provided between body, support frame as described above is arranged in the supporter；Support frame as described above is circular ring structure, including bottom plate
With two side support plates, the bottom plate is bonded with the outer wall of the internal layer tube body, and the bottom plate is arranged in the side support plate
It the left and right sides and is arranged in parallel with the side of corresponding supporter, the U that the bottom plate and two side support plates are formed
Shape opening is towards the lateral direction of the internal layer tube body, and the side support plate is elastic plate, and two neighboring side support plate can be opposite
It tilts close.
Preferably, being provided with card slot on the raised line, support frame as described above is connected in the card slot.
Preferably, being hollow structure inside the supporter, the side support plate is fitted in the inner wall of the supporter
On.
Preferably, being provided with elastic top plate on support frame as described above, the U-shaped of support frame as described above is arranged in the elasticity top plate
The both ends of opening, the elasticity top plate are set up separately in two adjacent side support plates, and the elasticity top plate is by both ends to centre
To U-shaped opening inner inclination, make the end of two adjacent side support plates close to when the elastic top plate the part that tilts
It folds.
When the supporter of bellows is by radial pressure, the support side of supporter is by lateral component, lateral
The lower end positioned at same intracorporal two side support plates of support of component effect is mutually drawn close, and elastic top plate is folded, thus
So that the cross section of support frame is become triangle by U-shaped, not only alleviate pressure, but also improve the intensity of supporter, further increases
The integral strength and anti-pressure ability of bellows.
It is obliquely extended and is embedded in described to two sides preferably, the junction of the bottom plate and the side support plate is equipped with
Layer manages intracorporal extension.
Preferably, support frame as described above is split type structure, symmetrically it is divided into two semicircles along support frame as described above
The abutting end of ring support, two semicircle ring supports is connected by clamping structure.
Preferably, the end of the semicircle ring support is provided with connecting plate, the clamping structure includes that setting connects one
Card adapter plate on fishplate bar and the clamping chamber being arranged on opposite another connecting plate, it is in herringbone that the card adapter plate quantity, which is two,
Shape be arranged on the connecting plate, the clamping chamber be interior lowland be arranged on connecting plate, it is described be clamped chamber bottom with it is described
Through-hole is formed between connecting plate, when two semicircle ring supports merge, the card adapter plate protrude into the clamping it is intracavitary and to
Outer expansion stretches out the card adapter plate on the outside of the clamping chamber from the through-hole.
Preferably, it is provided with fixture block in the card adapter plate, it is described when the card adapter plate is stretched out on the outside of the clamping chamber
Fixture block is connected to the two sides of the bottom of the clamping chamber.
When two semicircle ring support under tensions generate separation trend, since clamping block is connected to clamping bottom of chamber portion
Two sides, for the card adapter plate being unfolded without collapsing among normal direction, the card adapter plate made is in unfolded state in stress always, thus will
Card adapter plate, which is fixed on, is clamped intracavitary, prevention semicircle ring support separation.
Preferably, the wall thickness of the internal layer tube body is greater than the wall thickness of the outer layer tube body, the thickness of the raised line is less than
The wall thickness of the internal layer tube body.
The utility model has the beneficial effects that the utility model is supported by being arranged between internal layer tube body and outer layer tube body
Frame substantially increases the intensity and ring stiffness and compression strength of tubing, and support frame can not only be supported in radial direction
Firmly bellows, and can improve the intensity and ring stiffness of tubing by the texturization solution axial compressive force of support frame, substantially increase pipe
The safety of material.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A；
Fig. 3 is the structural schematic diagram of supporter in the utility model embodiment；
Fig. 4 is the structural schematic diagram of support frame in the utility model embodiment；
Fig. 5 is structural schematic diagram when support frame separates in the utility model embodiment；
Fig. 6 is structural schematic diagram when support frame merges in the utility model embodiment；
In figure: 1- internal layer tube body, 11- raised line, 2- outer layer tube body, 3- supporter, 31- side supporting surface, 32- support top surface,
4- support frame, 41- the first semicircle ring support, the first connecting plate of 411-, 412- card adapter plate, 413- fixture block, 42- the second semicircular ring branch
Frame, the second connecting plate of 421-, 422- baffle, 423- are clamped chamber, 44- bottom plate, 45- side support plate, 46- elasticity top plate, 47- extension
Portion.
Specific embodiment
In conjunction with attached drawing, the utility model is described in further detail.This specific embodiment is only to the utility model
Explanation, be not limitations of the present invention, those skilled in the art, can be according to need after reading this specification
The modification of not creative contribution is made to the present embodiment, but as long as in the scope of the claims of the utility model all by
The protection of Patent Law.
Embodiment: as shown in Figures 1 to 6, a kind of pressure resistance bellows, including internal layer tube body 1 and outer layer tube body 2, inner tube
The wall thickness of body 1 is greater than the wall thickness of the outer layer tube body 2, and the thickness of the raised line 11 is less than the wall thickness of the internal layer tube body 1.Internal layer
The outside of tube body 1 is equipped with the raised line 11 of several protrusions, and in the present embodiment, 11 quantity of raised line is 12, and along described interior
The even circumferential distribution of layer tube body 1.The outside of the internal layer tube body 1, the outside setting of outer layer tube body 2 is arranged in outer layer tube body 2
There is annular support body 3, the supporter 3 is arranged along the length direction interval of outer layer tube body 2.3 cross section of supporter is trapezoidal, packet
Include side supporting surface 31 and support top surface 32.
As shown in figure 3, being provided with support frame 4 between outer layer tube body 2 and internal layer tube body 1, support frame 4 is arranged in supporter 3
It is interior.Support frame 4 is circular ring structure, including bottom plate 44 and two side support plates 45, the outer wall patch of bottom plate 44 and the internal layer tube body 1
It closes, side support plate 45 is arranged in the left and right sides of the bottom plate 44 and is arranged in parallel with the side of corresponding supporter 3, bottom
Towards the lateral direction of the internal layer tube body 1, the side support plate 45 is the U-shaped opening that plate 44 and two side support plates 45 are formed
Elastic plate, two neighboring side support plate 45 can opposite tilt it is close.It is hollow structure, the side support plate 45 inside supporter 3
It is fitted on the inner wall of the supporter 3.Card slot is provided on raised line 11, support frame as described above 4 is connected in the card slot.Bottom plate
44 are equipped with the extension 47 for being obliquely extended and being embedded in the internal layer tube body 1 to two sides with the junction of the side support plate 45.
As shown in figure 3, being provided with elastic top plate 46 on support frame 4, support frame as described above 4 is arranged in the elasticity top plate 46
At U-shaped opening, the both ends of the elasticity top plate 46 are set up separately in two adjacent side support plates 45, and the elasticity top plate 46 is by two
Hold to centre to U-shaped opening inner inclination, make the end of two adjacent side support plates 45 close to when the elastic top plate 46
It tilts partially folded.
As shown in Figure 4, Figure 5 and Figure 6, support frame 4 is split type structure, along being symmetrically divided into for support frame as described above 4
Two semicircle ring supports, including the first semicircle ring support 41 and the second semicircle ring support 42, the end of the first semicircle ring support 41
It is provided with the first connecting plate 411, the end of the second semicircle ring support 42 is provided with the second connecting plate 421, the first semicircle ring support
41 are connected with the abutting end of the second semicircle ring support 42 by clamping structure.Clamping structure includes being arranged in the first connecting plate 411
On card adapter plate 412 and the clamping chamber 423 that is arranged on the second opposite connecting plate 421,412 quantity of card adapter plate be two, be in
Herringbone is arranged on the connecting plate.Being clamped chamber 423 is that interior lowland is arranged on the second connecting plate 421, is clamped the bottom of chamber 423
Portion is provided with baffle 422, forms through-hole between baffle 422 and the second connecting plate 421.When the first semicircle ring support 41 and the second half
When circle ring rack 42 merges, card adapter plate 412 protrudes into clamping chamber 423 and is unfolded outward, stretches out card adapter plate 412 from through-hole and is clamped
423 outside of chamber.Fixture block 413 is provided in card adapter plate 412, when card adapter plate 412 stretches out clamping 423 outside of chamber, fixture block 413 is clamped
In the two sides of the baffle 422 of clamping 423 bottom of chamber.
A kind of production method of bellows, comprising the following steps:
A, it takes calcium carbonate, talcum powder to be uniformly mixed with high density polyvinyl-chloride, is sent into double screw extruder and squeezes out, it is cold
But, it is granulated, obtains modification high-density polyethylene particle, wherein the mass ratio of calcium carbonate, talcum powder and high density polyvinyl-chloride is
1:3:96.
B, modification high-density polyethylene particle and color masterbatch are uniformly mixed according to the ratio that mass ratio is 100:2.5, are obtained
Inner tube mixture；Modification high-density polyethylene particle and color masterbatch are uniformly mixed according to the ratio that mass ratio is 100:1.5, obtained
Outer tube mixture.
C, inner tube mixture and outer tube mixture that step B is obtained are delivered to extruder, added in the machine barrel of extruder
Thermoplastification is extruded into pipe by the head of extruder respectively.Head has two layers of channel, inner tube mixture after plasticizing from
The inner-layer channel of head squeezes out the internal layer tube body 1 with raised line 11, then installs support frame 4, branch to internal layer tube body 1 in head
Support 4 is installed by the first semicircle ring support 41 and the second semicircle ring support 42 from the two sides of internal layer tube body 1；Then after being plasticized
Outer tube mixture is squeezed out from the outer layer channel of head, forms outer layer tube body 2 on the surface of internal layer tube body 1, while outer layer tube body 2 will
Support frame 4 wraps up.
D, then pipe is pressed and molded by forming machine, forms undulatory supporter 3 on the surface of outer layer tube body 2, cold
But it is formed.
Claims (9)
1. a kind of pressure resistance bellows, it is characterised in that: including internal layer tube body (1) and outer layer tube body (2), the internal layer tube body (1)
Outside be equipped with several protrusions raised line (11), the raised line (11) along the internal layer tube body (1) even circumferential distribution, it is described
Outer layer tube body (2) setting is provided with annular support body on the outside of the outside of the internal layer tube body (1), the outer layer tube body (2)
(3), the supporter (3) is arranged along the length direction interval of outer layer tube body (2), the outer layer tube body (2) and the inner tube
It is provided between body (1) support frame (4), support frame as described above (4) setting is in the supporter (3)；Support frame as described above (4) is circle
The outer wall of ring structure, including bottom plate (44) and two side support plates (45), the bottom plate (44) and the internal layer tube body (1) pastes
Close, the side support plate (45) setting the bottom plate (44) the left and right sides and with the side of corresponding supporter (3)
It is arranged in parallel, the U-shaped opening that the bottom plate (44) is formed with two side support plates (45) is towards the internal layer tube body (1)
Lateral direction, the side support plate (45) be elastic plate, two neighboring side support plate (45) can opposite tilt it is close.
2. a kind of pressure resistance bellows according to claim 1, it is characterised in that: it is provided with card slot on the raised line (11),
Support frame as described above (4) is connected in the card slot.
3. a kind of pressure resistance bellows according to claim 1, it is characterised in that: be hollow knot inside the supporter (3)
Structure, the side support plate (45) are fitted on the inner wall of the supporter (3).
4. a kind of pressure resistance bellows according to claim 1, it is characterised in that: be arranged on support frame as described above (4) flexible
Top plate (46), the elasticity top plate (46) are arranged at the U-shaped opening of support frame as described above (4), and the two of the elasticity top plate (46)
End is set up separately on two adjacent side support plates (45), and the elasticity top plate (46) is from both ends to centre to inclining inside U-shaped opening
Tiltedly, make the end of two adjacent side support plates (45) close to when the elastic top plate (46) tilt it is partially folded.
5. a kind of pressure resistance bellows according to claim 4, it is characterised in that: the bottom plate (44) and the side support plate
(45) junction is equipped with the extension (47) for being obliquely extended and being embedded in the internal layer tube body (1) to two sides.
6. a kind of pressure resistance bellows according to claim 4, it is characterised in that: support frame as described above (4) is split type structure,
Symmetrically it is divided into two semicircle ring supports along support frame as described above (4), the abutting end of two semicircle ring supports passes through clamping
Structure connection.
7. a kind of pressure resistance bellows according to claim 6, it is characterised in that: the end of the semicircle ring support is provided with
Connecting plate, the clamping structure include the card adapter plate (412) being arranged on a connecting plate and are arranged in opposite another connecting plate
On clamping chamber (423), card adapter plate (412) quantity be two, in herringbone be arranged on the connecting plate, the clamping
Chamber (423) is that interior lowland is arranged on connecting plate, through-hole is formed between the bottom and connecting plate of clamping chamber (423), when two
When a semicircle ring support merges, the card adapter plate (412) is protruded into the clamping chamber (423) and is unfolded outward, makes described
Card adapter plate (412) is stretched out on the outside of the clamping chamber (423) from the through-hole.
8. a kind of pressure resistance bellows according to claim 7, it is characterised in that: be provided with card on the card adapter plate (412)
Block (413), when the card adapter plate (412) are stretched out on the outside of the clamping chamber (423), the fixture block (413) is connected to the card
Connect the two sides of the bottom of chamber (423).
9. a kind of pressure resistance bellows according to claim 1, it is characterised in that: the wall thickness of the internal layer tube body (1) is greater than
The wall thickness of the outer layer tube body (2), the thickness of the raised line (11) are less than the wall thickness of the internal layer tube body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821312581.2U CN208951454U (en) | 2018-08-15 | 2018-08-15 | A kind of pressure resistance bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821312581.2U CN208951454U (en) | 2018-08-15 | 2018-08-15 | A kind of pressure resistance bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208951454U true CN208951454U (en) | 2019-06-07 |
Family
ID=66733730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821312581.2U Active CN208951454U (en) | 2018-08-15 | 2018-08-15 | A kind of pressure resistance bellows |
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| Country | Link |
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| CN (1) | CN208951454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758119A (en) * | 2018-08-15 | 2018-11-06 | 浙江康泰管业科技有限公司 | A kind of pressure resistance bellows |
-
2018
- 2018-08-15 CN CN201821312581.2U patent/CN208951454U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758119A (en) * | 2018-08-15 | 2018-11-06 | 浙江康泰管业科技有限公司 | A kind of pressure resistance bellows |
| CN108758119B (en) * | 2018-08-15 | 2024-03-22 | 浙江康泰管业科技有限公司 | Compression-resistant corrugated pipe |
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