CN217208152U - Reinforced rib type double-wall helical bellows - Google Patents
Reinforced rib type double-wall helical bellows Download PDFInfo
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- CN217208152U CN217208152U CN202220989133.6U CN202220989133U CN217208152U CN 217208152 U CN217208152 U CN 217208152U CN 202220989133 U CN202220989133 U CN 202220989133U CN 217208152 U CN217208152 U CN 217208152U
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- spiral
- rib
- convex rib
- wall
- spiral convex
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- 210000003205 muscle Anatomy 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a solve the not enough problem of pipe intensity that relates to the underground drainage field existence, disclose a reinforcing rib formula double-walled helical bellows, include: the middle tube layer comprises a base tube part and a first spiral convex rib protruding out of the base tube part, the first spiral convex rib extends along the cylindrical spiral line, and the inner wall of the first spiral convex rib is concavely arranged; the inner pipe layer is covered on the inner side of the base pipe part, and the inner wall of the first spiral convex rib is matched with the inner pipe layer to form a first cavity; the outer pipe layer is externally coated on the outer side of the first spiral convex rib, an internally convex second spiral convex rib is arranged on the outer pipe layer, and the second spiral convex rib extends along the cylindrical spiral line; the first spiral convex rib and the second spiral convex rib are arranged at intervals in the axial direction. This reinforcing rib formula double-walled spiral bellows can cooperate first spiral protruding muscle through the setting of the protruding muscle of second spiral for the bulk strength of body and axial intensity uniformity all obtain further promotion, and reinforcing rib formula double-walled spiral bellows are more durable, and first spiral protruding muscle and the protruding muscle of second spiral can be protected to outer pipe layer.
Description
Technical Field
The utility model relates to an underground drainage field especially relates to a reinforcing rib formula double-walled helical bellows.
Background
The existing universal annular rib of the double-wall corrugated pipe has insufficient strength and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a reinforcing bar formula double-walled helical bellows aims at solving one of the technical problem that exists among the prior art at least.
The technical scheme of the utility model be a reinforcing rib formula double-walled helical bellows, it includes:
the middle tube layer comprises a base tube part and a first spiral convex rib protruding out of the base tube part, the first spiral convex rib extends along a cylindrical spiral line, and the inner wall of the first spiral convex rib is concavely arranged;
the inner pipe layer is internally covered on the inner side of the base pipe part, and the inner wall of the first spiral convex rib is matched with the inner pipe layer to form a first cavity;
the outer pipe layer is externally coated on the outer side of the first spiral convex rib, an internally convex second spiral convex rib is arranged on the outer pipe layer, and the second spiral convex rib extends along the cylindrical spiral line;
the first spiral convex rib and the second spiral convex rib are arranged at intervals in the axial direction.
Furthermore, the outer wall of the second spiral convex rib is concavely arranged.
Furthermore, the first spiral convex rib and the second spiral convex rib are coaxially arranged, and the lead and the rotation direction of the first spiral convex rib and the second spiral convex rib are the same.
Further, the outer tube layer is made of a plastic material.
Furthermore, a second spiral convex rib is arranged in a hollow mode, and a steel belt extending along the cylindrical spiral line is arranged in the second spiral convex rib.
Furthermore, the second spiral convex rib is solid, and a steel wire extending along the cylindrical spiral line is arranged in the second spiral convex rib.
Further, the intermediate tube layer further comprises:
a plug tube part connected to one end of the base tube part;
the annular convex rib protrudes out of the insertion pipe part, the inner wall of the annular convex rib is concavely arranged, and the inner wall of the annular convex rib is matched with the inner pipe layer to form a second cavity.
Further, annular protruding muscle includes at least two and sets up along axial interval, has at least to be equipped with the sealing washer between two annular protruding muscle.
Further, the intermediate tube layer further comprises:
and the sleeve part is connected with the other end of the base pipe part and is used for being sleeved on the outer side of the annular convex rib of the other reinforcing rib type double-wall spiral corrugated pipe.
Further, the sleeve portion, the base pipe portion, and the cannula portion are integrally formed.
The beneficial effects of the utility model are as follows: this reinforcing rib formula double-walled helical bellows is through the setting of first spiral protruding muscle, can strengthen body intensity continuously in the axial, make the body intensity even in the axial, reinforcing rib formula double-walled helical bellows's life is showing and is promoting, can cooperate first spiral protruding muscle through the setting of the protruding muscle of second spiral, make the bulk strength of body and axial intensity even degree all obtain further promotion, reinforcing rib formula double-walled helical bellows is more durable, first spiral protruding muscle can be protected on the outer pipe layer, the sunk part in second spiral protruding muscle and each protruding muscle.
Drawings
Fig. 1 is a schematic view of a part of a reinforced rib type double-wall helical bellows according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a reinforced ribbed double-walled helical bellows according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a second spiral rib according to a first embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a second spiral bead according to a second embodiment of the present invention.
Reference numerals: the pipe comprises an intermediate pipe layer 100, a base pipe part 110, a first spiral rib 111, a pipe inserting part 120, an annular rib 121, a sleeve pipe part 130, an inner pipe layer 200, a first chamber 310, a second chamber 320, an outer pipe layer 400, a second spiral rib 410, a steel belt 420, a steel wire 430 and a sealing ring 600.
Detailed Description
The following description will describe several embodiments of the present invention, including the embodiments corresponding to the accompanying drawings, it being understood that the drawings are for assisting understanding of the technical features and aspects of the present invention, and should not be interpreted as limiting the scope of the present invention.
The conception, specific structure and resulting technical effects of the present invention will be made clear and fully described with reference to the accompanying drawings and examples, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that, unless otherwise specifically limited, when a feature is referred to as being "fixed," "connected," or "mounted" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature, and the terms "fixed," "connected," or "mounted" are used broadly, those skilled in the art can reasonably determine the specific meaning of the above-mentioned terms in the present disclosure in combination with the details of the technical solutions.
It should be noted that the description of the directions or positional relationships indicated by the upper, lower, left, right, top, bottom, front, back, inner, outer, etc. used in the present invention is the directions or positional relationships based on the drawings or the embodiments, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
It should be noted that, as used herein, the term "and/or" includes any combination of one or more of the associated listed items, a plurality of which means one or more, a plurality of which means two or more, greater than, less than, more than, etc. are understood to exclude the present numbers, and greater than, less than, etc. are understood to include the present numbers.
It should be noted that the description of the first and second embodiments of the present invention is only for the purpose of distinguishing technical features, and is not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
It is to be understood that, unless otherwise specifically defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The basic embodiment of the utility model provides a reinforcing muscle formula double-walled helical bellows, refer to fig. 1 and fig. 2, it includes:
the middle tube layer 100 comprises a base tube part 110 and a first spiral convex rib 111 protruding out of the base tube part 110, the first spiral convex rib 111 extends along a cylindrical spiral line, and the inner wall of the first spiral convex rib 111 is concavely arranged;
the inner pipe layer 200 is covered on the inner side of the base pipe part 110, and the inner wall of the first spiral convex rib 111 is matched with the inner pipe layer 200 to form a first chamber 310;
the outer pipe layer 400 is coated outside the first spiral convex rib 111, an inward convex second spiral convex rib 410 is arranged on the outer pipe layer 400, and the second spiral convex rib 410 extends along a cylindrical spiral line;
the first spiral rib 111 and the second spiral rib 410 are provided at intervals in the axial direction.
It can be understood that the cylindrical spiral line is a common curve, is a kind of spiral line, and is a moving point which makes a uniform linear motion along a generatrix of the cylindrical surface, and at the same time makes a uniform rotation around the axis of the cylindrical surface, and the track of this combined motion of the points is called the cylindrical spiral line. Three basic elements that determine a cylindrical helix are: diameter D, lead H and rotation direction of the cylindrical spiral line.
It is to be understood that the first spiral bead and the second spiral bead in the present basic embodiment may be formed by extending the respective cross-sectional shapes at the respective positions along the trajectory of the cylindrical spiral. The section shape of first spiral protruding muscle and second spiral protruding muscle separately can be selected according to the demand, can be the ripple, can be fan-shaped, can be solid, also can be hollow, the utility model discloses a basic embodiment need have first spiral protruding muscle and the second spiral protruding muscle that extends along cylindrical helix orbit can realize the purpose, does not do the limit to the section shape between them for the example.
It is understood that the inner and outer portions in the basic embodiment are based on the radial direction of the tube layer structure, the outer wall of the wall surface of the tube layer structure is convex, and the corresponding inner wall may be concave.
It can be understood that two layers of co-extrusion molding can be adopted between the middle tube layer and the inner tube layer, a first cavity is formed in the co-extrusion process, a first spiral convex rib is formed on the base tube part in the co-extrusion process, and the outer tube layer can be directly sleeved on the first spiral convex rib of the middle tube layer.
It can be understood that, the interval between the first spiral convex rib and the second spiral convex rib is set, the rotation direction between the first spiral convex rib and the second spiral convex rib can be the same, the lead of the first spiral convex rib and the lead of the second spiral convex rib can be the same, and the interval between the first spiral convex rib and the second spiral convex rib in the axial direction of the reinforced rib type double-wall spiral corrugated pipe can be smaller than the lead, preferably, the interval between the first spiral convex rib and the second spiral convex rib in the axial direction is equal to half of the lead.
Basic embodiment is dedicated to change the structure of the existing double-wall threaded pipe, the mode of the first spiral convex rib is applied to the middle pipe layer, the reinforced rib type double-wall spiral corrugated pipe has higher and more uniform strength in the axial direction, the product using effect is better, the service life is longer, on the basis, the protection of the outer pipe layer as the first spiral convex rib is increased, the second spiral convex rib is arranged on the outer pipe layer and inserted into the concave position between the spiral lines of the first spiral convex rib, the strength and the axial stress distribution uniformity of the reinforced rib type double-wall spiral corrugated pipe are further improved, certain flexibility of the reinforced rib type double-wall spiral corrugated pipe is kept, and the service life of the product is further improved.
The extension of basic embodiment, the outer wall of second spiral protruding muscle is concave to be established, and the mode that the second spiral protruding muscle set up on the outer tube layer can refer to first spiral protruding muscle, and it is protruding when forming a lateral wall face promptly, and another lateral wall face is then sunken, and this setting is convenient for set up another cavity at the outer wall of second spiral protruding muscle.
In the development of the basic embodiment, the first spiral rib and the second spiral rib can be coaxially arranged, the lead and the rotation direction of the first spiral rib and the second spiral rib are the same, the diameters of the first spiral rib and the second spiral rib can be the same or close to each other, and the diameter difference between the first spiral rib and the second spiral rib can be set to be smaller than 1/4 of a smaller value between the first spiral rib and the second spiral rib. Under this setting, the relative position of first spiral protruding muscle and second spiral protruding muscle is arranged more evenly.
In the development of the basic embodiment, the outer pipe layer can be made of a plastic material, specifically, a PP material, a PVC or PE material, and the like, and the second spiral convex rib can be suitable for the outer pipe layer to be formed by extrusion molding from the same base layer. The structures of the outer pipe layer and the second spiral convex ribs can refer to spiral inward convex spiral corrugated pipes. The performance of the outer pipe layer and the second spiral convex ribs can be improved under the arrangement. The intermediate tube layer and the inner tube layer may also be made of a plastic material, which may be referred to as the material of the double-walled corrugated tube. The application of the plastic material can balance the comprehensive properties of each tube layer in terms of hardness, deformability and service life.
In an extension of the basic embodiment, referring to fig. 3, the second spiral rib 410 may be hollow, and a steel band 420 extending along a cylindrical spiral line may be disposed in the second spiral rib 410, which is configured to increase the rigidity of the second spiral rib 410. Referring to fig. 4, the second spiral rib 410 is solid, and a steel wire 430 extending along a cylindrical spiral line is disposed in the second spiral rib 410, so as to improve the external force bearing capability of the second spiral rib 410.
Expanding on the basic embodiment, referring to fig. 1 and 2, the intermediate tube layer 100 further includes:
a cannula unit 120 connected to one end of the base unit 110;
the annular convex rib 121 protrudes out of the cannula part 120, the inner wall of the annular convex rib 121 is concavely arranged, and the inner wall of the annular convex rib 121 is matched with the inner tube layer 200 to form a second chamber 320;
and a sleeve part 130 connected to the other end of the base pipe part 110, wherein the sleeve part 130 is used for being sleeved outside the annular rib 121 of the other reinforced rib type double-wall helical corrugated pipe.
The cooperation setting of intubate portion 120 and sleeve part 130 is convenient for series connection between a plurality of reinforcing rib formula double-walled helical bellows, and the setting of annular protruding muscle 121 is convenient for set up seal structure such as sealing washer 600 to the setting of annular protruding muscle 121 and second chamber 320 has certain elasticity, is convenient for insert the back in sleeve part 130 to intubate portion 120, through interference fit and elastic force effect, makes intubate portion 120 and sleeve part 130 directly have better fixed connection intensity.
Expanding on the basic embodiment, referring to fig. 1 and 2, the annular ribs 121 include at least two annular ribs 121 arranged at intervals in the axial direction, there is at least one sealing ring 600 arranged between the two annular ribs 121, and the arrangement of the plurality of annular ribs 121 and the sealing rings 600 can further improve the connection strength and the sealing performance between the cannula part 120 and the sleeve part 130.
The extension of basic embodiment, bushing portion, base pipe portion and intubate portion integrated into one piece, the shaping on middle tube layer of being convenient for guarantees the leakproofness.
It is noted that, in the description, terms such as "one embodiment", "some embodiments", "basic embodiment", "extended embodiment", etc., may be applied to describe several embodiments of the present invention, and specific features, structures, materials or characteristics of several embodiments may be combined in a manner consistent with the principles and spirit of the present invention.
Although the present invention has been illustrated and described with respect to some embodiments, the present invention should not be limited to the above-described embodiments, and the technical effects of the present invention can be achieved by the same or equivalent means.
Claims (10)
1. Reinforcing muscle formula double-walled helical bellows, its characterized in that includes:
the middle tube layer (100) comprises a base tube part (110) and a first spiral convex rib (111) protruding out of the base tube part (110), wherein the first spiral convex rib (111) extends along a cylindrical spiral line, and the inner wall of the first spiral convex rib (111) is concavely arranged;
the inner pipe layer (200) is covered on the inner side of the base pipe part (110), and the inner wall of the first spiral convex rib (111) is matched with the inner pipe layer (200) to form a first chamber (310);
the outer pipe layer (400) is coated outside the first spiral convex ribs (111), the outer pipe layer (400) is provided with second spiral convex ribs (410) which are inwards convex, and the second spiral convex ribs (410) extend along a cylindrical spiral line;
the first spiral convex rib (111) and the second spiral convex rib (410) are arranged at intervals in the axial direction.
2. The ribbed double-walled helical bellows of claim 1, wherein the outer wall of the second helical rib (410) is recessed.
3. The ribbed double-walled helical bellows of claim 1, wherein the first helical bead (111) and the second helical bead (410) are coaxially disposed and have the same lead and direction of rotation.
4. Reinforced ribbed double-walled helical bellows according to claim 1, characterized in that said outer pipe layer (400) is made of plastic material.
5. Reinforced-rib double-wall helical bellows according to claim 1, wherein the second helical rib (410) is hollow, and a steel band (420) extending along a cylindrical helix is provided in the second helical rib (410).
6. The reinforced ribbed double-walled helical bellows of claim 1, wherein the second helical rib (410) is solid and the second helical rib (410) has steel wires (430) extending in a cylindrical helix therein.
7. The reinforced ribbed double-walled helical bellows of claim 1, wherein the intermediate tube layer (100) further comprises:
a plug pipe part (120) connected to one end of the base pipe part (110);
the annular convex rib (121) protrudes out of the insertion pipe part (120), the inner wall of the annular convex rib (121) is arranged in a concave mode, and the inner wall of the annular convex rib (121) is matched with the inner pipe layer (200) to form a second cavity (320).
8. The ribbed double-walled helical bellows of claim 7, wherein the annular ribs (121) comprise at least two and are axially spaced apart, and wherein a seal ring (600) is disposed between at least two of the annular ribs (121).
9. The reinforced ribbed double-walled helical bellows of claim 7, wherein the intermediate tube layer (100) further comprises:
and the sleeve part (130) is connected with the other end of the base pipe part (110), and the sleeve part (130) is used for sleeving the outer side of the annular convex rib (121) of the other reinforced rib type double-wall spiral corrugated pipe.
10. The reinforced ribbed double wall helical bellows of claim 9, wherein the sleeve portion (130), the Ian base portion (110), and the spigot portion (120) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220989133.6U CN217208152U (en) | 2022-04-27 | 2022-04-27 | Reinforced rib type double-wall helical bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220989133.6U CN217208152U (en) | 2022-04-27 | 2022-04-27 | Reinforced rib type double-wall helical bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217208152U true CN217208152U (en) | 2022-08-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220989133.6U Active CN217208152U (en) | 2022-04-27 | 2022-04-27 | Reinforced rib type double-wall helical bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217208152U (en) |
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2022
- 2022-04-27 CN CN202220989133.6U patent/CN217208152U/en active Active
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