CN201875297U - Double-flat-wall winding pipe lap joint structure and double-flat-wall pipe using same - Google Patents
Double-flat-wall winding pipe lap joint structure and double-flat-wall pipe using same Download PDFInfo
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- CN201875297U CN201875297U CN2010205577898U CN201020557789U CN201875297U CN 201875297 U CN201875297 U CN 201875297U CN 2010205577898 U CN2010205577898 U CN 2010205577898U CN 201020557789 U CN201020557789 U CN 201020557789U CN 201875297 U CN201875297 U CN 201875297U
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- 238000004804 winding Methods 0.000 title abstract description 10
- 229920003023 plastic Polymers 0.000 claims abstract description 77
- 239000004033 plastic Substances 0.000 claims abstract description 77
- 239000000463 material Substances 0.000 claims abstract description 68
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 230000002787 reinforcement Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000002950 deficient Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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Abstract
The utility model discloses a double-flat-wall winding pipe lap joint structure and a double-flat-wall pipe using the same. The lap joint structure comprises a connection part A and a connection part B that are arranged at the cross section of a double-flat-wall pipe belt material, wherein the connection part A transversely extends from one side wall and the connection part B transversely extends from the other side wall; the connecting parts A and B in length extend along the length direction of the double-flat-wall pipe belt material; the cross sections of the connecting parts A and B are J-shaped hooks; and when the double-flat-wall pipe belt material is wound to make a pipe, the connecting parts A and B are hooked and connected and the outer surfaces of the connecting parts A and B are respectively in the same cylindrical surface with the inner and outer layers of plastic walls of the double-flat-wall pipe. The double-flat-wall pipe belt material with the lap joint structure is wound to make the double-flat-wall pipe. In the utility model, the double-flat-wall pipe is radially hooked and connected. When the pipeline bears and deforms, the connecting structures are mutually hooked and connected, and the bearing capacity of a connecting surface is improved. During the process of winding to make the pipe, the connecting surface only needs to be provided with radial pressure but not axial pressure by winding equipment. Therefore, the structure of winding equipment is simplified.
Description
Technical field
The utility model relates to a kind of bridging arrangement of pipeline, also relates to the pipeline that uses this structure, is specifically related to a kind of two flat walls entwining tube bridging arrangement and uses the two flat walls pipe of this structure.
Background technique
In the underground pipe network engineering, plastic winding structural wall tube is widely used.Because the pipe ring rigidity that adopts pure plastics to make is lower, is difficult to reach the required high ring rigidity requirement of traffic main artery load-bearing load, therefore need to strengthen pipe thickness, make the material consumption of making pipeline increase cost up greatly.
For the purpose that realizes improving pipe ring rigidity and reduce the pipe production cost, the entwining tube of two flat walls plastic-steel reinforced structure has appearred adopting.As shown in Figure 1, the patent No. is that 200920110819.8 Chinese patent discloses a kind of " steel plastic composite wound pipe ", is provided with in the rectangular section bar 2 of cross section and strengthens steel band 3, and section bar 2 spirals are wound in pipeline 1.Obtain the higher tubing of ring stiffness, satisfy the desired ring stiffness requirement of under ground piping carrying heavy burden.
When above-mentioned two flat walls pipe twines manufacturing winding pipeline 1 at employing section bar 2 spirals, the connection of side structure when adopting the mutual structure realization section bar of fitting bonding in surface to twine between the adjacent section bar.There is following defective in the sidepiece linkage structure of above-mentioned existing two flat walls pipe racks material:
1, because band sidepiece junction surface is the radial plane of entwining tube, connecting the surface must could realize connecting under high temperature and pressured state, thereby Wiring apparatus need be provided with the structure member that the band in the winding state is applied axial pressure, makes the Wiring apparatus complex structure;
2, because band sidepiece junction surface is the radial plane of entwining tube, when entwining tube bears radial pressure or moment of flexure, the junction surface bearing capacity a little less than, junction surface is easy to generate the crack, causes entwining tube to be revealed.
The model utility content
One of the technical problems to be solved in the utility model is, a kind of two flat walls entwining tube bridging arrangement is provided, and overcomes defectives such as the bearing capacity that the sidepiece linkage structure exists when having two flat walls pipe racks material winding tubulation now is weak, Wiring apparatus complex structure.
Two of the technical problems to be solved in the utility model is, a kind of two flat walls pipe is provided, and overcomes defectives such as the bearing capacity that the sidepiece linkage structure exists when having two flat walls pipe racks material winding tubulation now is weak, Wiring apparatus complex structure.
The technological scheme that one of its technical problem that solves the utility model adopts is: construct a kind of two flat walls entwining tube bridging arrangement, described two flat walls entwining tube adopts the two flat walls band to be entwined, this two flat walls pipe racks material comprises internal layer plastic cement wall, outer plastic cement wall, middle plastic layer and reinforcement metal, plastic layer is between described internal layer plastic cement wall and outer plastic cement wall in the middle of described, along described two flat walls pipe racks material length direction be provided with at interval and should in, outer plastic cement wall connects as one, described reinforcement metal is arranged in the described middle plastic layer along described two flat walls pipe racks material length direction with length, or is arranged in the described middle plastic layer and in described internal layer plastic cement wall and/or the outer plastic cement wall;
It is characterized in that, comprise joint A and joint B;
Described joint A is by a side sidewall A the laterally extending along this sidewall A of described two flat walls pipe racks material cross section, this joint A cross section is the J-shaped hook, the J-shaped hook bottom outside surface of joint A and the outer surface isoplanar of described internal layer plastic cement wall, the crochet outer surface of the J-shaped hook of joint A is parallel with the outer surface of the described sidewall A that extends joint A, comprises inside terminal process in the terminal inboard of the J-shaped hook of this joint A; Described joint B is by opposite side sidewall B the laterally extending along this sidewall B of described two flat walls pipe racks material cross section, this joint B cross section is the J-shaped hook, the J-shaped hook bottom outside surface of joint B and the outer surface isoplanar of described outer plastic cement wall, the crochet outer surface of the J-shaped hook of joint B is parallel with the outer surface of the described sidewall B that extends joint B, comprises inside projection in the terminal inboard of the J-shaped hook of this joint B; The length of this joint A, joint B is extended along described two flat walls pipe racks material length direction;
The crochet outside of the inboard width of the J-shaped hook of described joint A and the J-shaped hook of described joint B is suitable to the width between the terminal process inboard of this joint B, and the crochet outside of the inboard width of the J-shaped hook of described joint B and the J-shaped hook of described joint A is suitable to the width between the terminal process inboard of this joint A;
When described two flat walls pipe racks material is twined tubulation, when described joint A and described joint B cooperate hook joint to be connected, the crochet outer surface of the J-shaped hook of described joint A pastes cooperation with the outer surface of the described sidewall B that extends joint B and the J-shaped hook bottom interior surface of described joint B respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of described joint A and adjacent described internal layer plastic cement wall is positioned at same cylndrical surface; The crochet outer surface of the J-shaped hook of described joint B pastes cooperation with the outer surface of the described sidewall A that extends joint A and the J-shaped hook bottom interior surface of described joint A respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of described joint B and adjacent described outer plastic cement wall is positioned at same cylndrical surface;
Or described joint A is by a side sidewall A the laterally extending along this sidewall A of described two flat walls pipe racks material cross section, this joint A cross section is the J-shaped hook, the J-shaped hook bottom outside surface of joint A and the outer surface isoplanar of described outer plastic cement wall, the crochet outer surface of the J-shaped hook of joint A is parallel with the outer surface of the described sidewall A that extends joint A, comprises inside terminal process in the terminal inboard of the J-shaped hook of this joint A; Described joint B is by opposite side sidewall B the laterally extending along this sidewall B of described two flat walls pipe racks material cross section, this joint B cross section is the J-shaped hook, the J-shaped hook bottom outside surface of joint B and the outer surface isoplanar of described internal layer plastic cement wall, the crochet outer surface of the J-shaped hook of joint B is parallel with the outer surface of the described sidewall B that extends joint B, comprises inside projection in the terminal inboard of the J-shaped hook of this joint B; The length of this joint A, joint B is extended along described two flat walls pipe racks material length direction;
The crochet outside of the inboard width of the J-shaped hook of described joint A and the J-shaped hook of described joint B is suitable to the width between the terminal process inboard of this joint B, and the crochet outside of the inboard width of the J-shaped hook of described joint B and the J-shaped hook of described joint A is suitable to the width between the terminal process inboard of this joint A;
When described two flat walls pipe racks material is twined tubulation, when described joint A and described joint B cooperate hook joint to be connected, the crochet outer surface of the J-shaped hook of described joint A pastes cooperation with the outer surface of the described sidewall B that extends joint B and the J-shaped hook bottom interior surface of described joint B respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of described joint A and adjacent described outer plastic cement wall is positioned at same cylndrical surface; The crochet outer surface of the J-shaped hook of described joint B pastes cooperation with the outer surface of the described sidewall A that extends joint A and the J-shaped hook bottom interior surface of described joint A respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of described joint B and adjacent described internal layer plastic cement wall is positioned at same cylndrical surface.
In two flat walls entwining tube bridging arrangement of the present utility model, the hook end inside top of the J-shaped hook of described joint A comprises the chamfering hypotenuse, and the hook end inside top of the J-shaped hook of described joint B comprises the chamfering hypotenuse.
In two flat walls entwining tube bridging arrangement of the present utility model, described joint A becomes 180 degree rotation symmetries with described joint B along described two flat walls pipe racks material cross-section center.
Two technological schemes that adopted that the utility model solves its technical problem are: construct a kind of two flat walls pipe, using two flat walls pipe racks material to twine makes, described two flat walls pipe racks material comprises internal layer plastic cement wall, outer plastic cement wall, middle plastic layer and reinforcement metal, plastic layer is between described internal layer plastic cement wall and outer plastic cement wall in the middle of described, along described two flat walls pipe racks material length direction be provided with at interval and should in, outer plastic cement wall connects as one, described reinforcement metal is arranged in the described middle plastic layer along described two flat walls pipe racks material length direction with length, or is arranged in the described middle plastic layer and in described internal layer plastic cement wall and/or the outer plastic cement wall;
It is characterized in that, comprise joint A and joint B;
Described joint A is by a side sidewall A the laterally extending along this sidewall A of described two flat walls pipe racks material cross section, this joint A cross section is the J-shaped hook, the J-shaped hook bottom outside surface of joint A and the outer surface isoplanar of described internal layer plastic cement wall, the crochet outer surface of the J-shaped hook of joint A is parallel with the outer surface of the described sidewall A that extends joint A, comprises inside terminal process in the terminal inboard of the J-shaped hook of this joint A; Described joint B is by opposite side sidewall B the laterally extending along this sidewall B of described two flat walls pipe racks material cross section, this joint B cross section is the J-shaped hook, the J-shaped hook bottom outside surface of joint B and the outer surface isoplanar of described outer plastic cement wall, the crochet outer surface of the J-shaped hook of joint B is parallel with the outer surface of the described sidewall B that extends joint B, comprises inside projection in the terminal inboard of the J-shaped hook of this joint B; The length of this joint A, joint B is extended along described two flat walls pipe racks material length direction;
The crochet outside of the inboard width of the J-shaped hook of described joint A and the J-shaped hook of described joint B is suitable to the width between the terminal process inboard of this joint B, and the crochet outside of the inboard width of the J-shaped hook of described joint B and the J-shaped hook of described joint A is suitable to the width between the terminal process inboard of this joint A;
When described two flat walls pipe racks material is twined tubulation, when described joint A and described joint B cooperate hook joint to be connected, the crochet outer surface of the J-shaped hook of described joint A pastes cooperation with the outer surface of the described sidewall B that extends joint B and the J-shaped hook bottom interior surface of described joint B respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of described joint A and adjacent described internal layer plastic cement wall is positioned at same cylndrical surface; The crochet outer surface of the J-shaped hook of described joint B pastes cooperation with the outer surface of the described sidewall A that extends joint A and the J-shaped hook bottom interior surface of described joint A respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of described joint B and adjacent described outer plastic cement wall is positioned at same cylndrical surface;
Or described joint A is by a side sidewall A the laterally extending along this sidewall A of described two flat walls pipe racks material cross section, this joint A cross section is the J-shaped hook, the J-shaped hook bottom outside surface of joint A and the outer surface isoplanar of described outer plastic cement wall, the crochet outer surface of the J-shaped hook of joint A is parallel with the outer surface of the described sidewall A that extends joint A, comprises inside terminal process in the terminal inboard of the J-shaped hook of this joint A; Described joint B is by opposite side sidewall B the laterally extending along this sidewall B of described two flat walls pipe racks material cross section, this joint B cross section is the J-shaped hook, the J-shaped hook bottom outside surface of joint B and the outer surface isoplanar of described internal layer plastic cement wall, the crochet outer surface of the J-shaped hook of joint B is parallel with the outer surface of the described sidewall B that extends joint B, comprises inside projection in the terminal inboard of the J-shaped hook of this joint B; The length of this joint A, joint B is extended along described two flat walls pipe racks material length direction;
The crochet outside of the inboard width of the J-shaped hook of described joint A and the J-shaped hook of described joint B is suitable to the width between the terminal process inboard of this joint B, and the crochet outside of the inboard width of the J-shaped hook of described joint B and the J-shaped hook of described joint A is suitable to the width between the terminal process inboard of this joint A;
When described two flat walls pipe racks material is twined tubulation, when described joint A and described joint B cooperate hook joint to be connected, the crochet outer surface of the J-shaped hook of described joint A pastes cooperation with the outer surface of the described sidewall B that extends joint B and the J-shaped hook bottom interior surface of described joint B respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of described joint A and adjacent described outer plastic cement wall is positioned at same cylndrical surface; The crochet outer surface of the J-shaped hook of described joint B pastes cooperation with the outer surface of the described sidewall A that extends joint A and the J-shaped hook bottom interior surface of described joint A respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of described joint B and adjacent described internal layer plastic cement wall is positioned at same cylndrical surface.
In two flat walls pipe of the present utility model, the hook end inside top of the J-shaped hook of described joint A comprises the chamfering hypotenuse, and the hook end inside top of the J-shaped hook of described joint B comprises the chamfering hypotenuse.
In two flat walls pipe of the present utility model, described joint A becomes 180 degree rotation symmetries with described joint B along described two flat walls pipe racks material cross-section center.
Implement two flat walls entwining tube bridging arrangement of the present utility model and use the two flat walls pipe of this structure, compared with the prior art, its beneficial effect is:
1. the linkage structure of two flat walls pipe racks material is connected by the radial plane and change into radially that hook joint connects, make pipeline when bearing radial load or flexural load, the mutual hook joint of linkage structure behind the pipe deforming has improved the bearing capacity of junction surface;
2. junction surface only requires that Wiring apparatus provides radial pressure, do not require axial pressure is provided when twining tubulation, thereby has simplified the Wiring apparatus structure.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is a kind of cross sectional representation of existing two flat walls pipe racks material bridging arrangement.
Fig. 2 is a kind of embodiment's of the utility model two flat walls entwining tube bridging arrangement a cross sectional representation.
Fig. 3 is a kind of mode of execution of overlap joint hook in the utility model two flat walls entwining tube bridging arrangement.
Fig. 4 is the another kind of embodiment's of the utility model two flat walls entwining tube bridging arrangement a cross sectional representation.
Fig. 5 is a kind of embodiment's of the utility model two flat walls entwining tube bridging arrangement an overlap joint state cross sectional representation.
Fig. 6 is an I portion enlarged view among Fig. 5.
Fig. 7 is the enlarged view of the another kind of structure of I portion among Fig. 5.
Embodiment
As shown in Figure 2, two flat walls entwining tube bridging arrangement of the present utility model is as follows:
The two flat walls entwining tube adopts the two flat walls band to be entwined.Two flat walls pipe racks material 10 comprises internal layer plastic cement wall 12, outer plastic cement wall 11, middle plastic layer 13 and reinforcement metal 14,17.Present embodiment reinforcement metal 14 adopts metal tapes (as steel band etc.), and reinforcement metal 17 adopts strip metals (as steel wire, wire rope etc.), and in other embodiments, reinforcement metal can adopt metal tape or strip metal separately.
Middle plastic layer 13 is between internal layer plastic cement wall 12 and outer plastic cement wall 11, be provided with at interval and should connect as one by inside and outside layer of plastic cement wall 12,11 along the length direction of two flat walls pipe racks material 10, and the length of reinforcement metal 14 is arranged in the plastic layer 13 of centre and in internal layer plastic cement wall 12 and the outer plastic cement wall 11 along the length direction of two flat walls pipe racks material 10.In other embodiments, the length of reinforcement metal 14 can be arranged on along the length direction of two flat walls pipe racks material 10 in the middle of in the plastic layer 13 and in internal layer plastic cement wall 12 or the outer plastic cement wall 11 or in the middle of being arranged on separately in the plastic layer 13.
In two flat walls pipe racks material bridging arrangement of the present utility model, the reinforced structure of the reinforcement metal of two flat walls pipe racks material is not limited to the reinforced structure shown in this Figure of description.
At the cross section one side sidewall 101 of two flat walls pipe racks material 10, along this sidewall laterally extend joint 15, at the cross section opposite side sidewall 102 of two flat walls pipe racks material 10, laterally extend joint 16 along this sidewall.The length of joint 15, joint 16 is extended along the length direction of two flat walls pipe racks material 10.
The cross section of joint 15 is that J-shaped is hook-shaped, the bottom outside surface of this J-shaped hook and the outer surface isoplanar of internal layer plastic cement wall 12, the outer surface of the crochet 151 of this J-shaped hook is parallel with the outer surface of the sidewall 101 that extends joint 15, in the terminal inboard of the J-shaped hook of joint 15 inside terminal process 152 is set.
The cross section of joint 16 is the J-shaped hook, the J-shaped hook bottom outside surface of joint 16 and the outer surface isoplanar of outer plastic cement wall 11, the outer surface of the crochet 161 of the J-shaped hook of joint 16 is parallel with the outer surface of the sidewall 102 that extends joint 16, in the terminal inboard of the J-shaped hook of this joint 16 inside projection 162 is set.
As Fig. 2, shown in Figure 6, the crochet outside of the inboard width A1 of the J-shaped hook of joint 15 and the J-shaped hook of joint 16 is suitable to the width A4 between terminal process 162 inboards of joint 16, the crochet outside of the inboard width A3 of the J-shaped hook of joint 16 and the J-shaped hook of joint 15 is suitable to the width A2 between terminal process 152 inboards of joint 15, to guarantee that joint 15 is connected with joint 16 hook joints.
As Fig. 2, Fig. 5, shown in Figure 6, when two flat walls pipe racks material 10 is twined tubulation, when joint 15 cooperates hook joint to be connected with joint 16, the outer surface of the crochet 151 of the J-shaped hook of joint 15 pastes cooperation with the outer surface of the sidewall 102 that extends joint 16 and the J-shaped hook bottom interior surface of joint 16 respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of joint 15 and internal layer adjacent plastic cement wall 12 is positioned at same cylndrical surface.The outer surface of the crochet 161 of the J-shaped hook of joint 16 pastes cooperation with the outer surface of the sidewall 101 that extends joint 15 and the J-shaped hook bottom interior surface of joint 15 respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of joint 16 and adjacent outer plastic cement wall 11 is positioned at same cylndrical surface.
As Fig. 3, shown in Figure 7, in the present embodiment, hook end inside top at the J-shaped hook of joint 15 is provided with chamfering hypotenuse 153, equally, hook end inside top at the J-shaped hook of joint 16 is provided with the chamfering hypotenuse, to guarantee that when two flat walls pipe racks material 10 is twined tubulation joint 15 realizes easily that with joint 16 hook joint cooperates.
The two flat walls pipe racks material 10 of the foregoing description adopts left hand screw direction rotation tubulation when twining tubulation.
As shown in Figure 4, in other embodiments, can be symmetrical with two flat walls pipe racks material 10, joint 15 is arranged on outer plastic cement wall 11 1 sides, joint 16 is arranged on internal layer plastic cement wall 12 1 sides, form two flat walls pipe racks material 20, also can realize the object of the invention.Two flat walls pipe racks material 20 adopts right-hand screw direction rotation tubulation when twining tubulation.The structural change of two flat walls pipe racks material 20 is identical with two flat walls pipe racks material 10.
For simplified structure, be convenient to make, above-mentioned two flat walls pipe racks material 10, two flat walls pipe racks material 20 can adopt following symplex structure: joint 15 becomes 180 degree rotations symmetrical with joint 16 along two flat walls pipe racks material cross-section center.
Two flat walls pipe of the present utility model adopts the two flat walls pipe racks material that has above-mentioned two flat walls pipe racks material bridging arrangement of the present utility model to twine and makes, and does not repeat them here.
Claims (6)
1. two flat walls entwining tube bridging arrangement, described two flat walls entwining tube adopts the two flat walls band to be entwined, this two flat walls pipe racks material comprises internal layer plastic cement wall, outer plastic cement wall, middle plastic layer and reinforcement metal, plastic layer is between described internal layer plastic cement wall and outer plastic cement wall in the middle of described, along described two flat walls pipe racks material length direction be provided with at interval and should in, outer plastic cement wall connects as one, described reinforcement metal is arranged in the described middle plastic layer along described two flat walls pipe racks material length direction with length, or is arranged in the described middle plastic layer and in described internal layer plastic cement wall and/or the outer plastic cement wall;
It is characterized in that, comprise joint A and joint B;
Described joint A is by a side sidewall A the laterally extending along this sidewall A of described two flat walls pipe racks material cross section, this joint A cross section is the J-shaped hook, the J-shaped hook bottom outside surface of joint A and the outer surface isoplanar of described internal layer/outer plastic cement wall, the crochet outer surface of the J-shaped hook of joint A is parallel with the outer surface of the described sidewall A that extends joint A, comprises inside terminal process in the terminal inboard of the J-shaped hook of this joint A; Described joint B is by opposite side sidewall B the laterally extending along this sidewall B of described two flat walls pipe racks material cross section, this joint B cross section is the J-shaped hook, the J-shaped hook bottom outside surface of joint B and the outer surface isoplanar of described skin/internal layer plastic cement wall, the crochet outer surface of the J-shaped hook of joint B is parallel with the outer surface of the described sidewall B that extends joint B, comprises inside projection in the terminal inboard of the J-shaped hook of this joint B; The length of this joint A, joint B is extended along described two flat walls pipe racks material length direction;
The crochet outside of the inboard width of the J-shaped hook of described joint A and the J-shaped hook of described joint B is suitable to the width between the terminal process inboard of this joint B, and the crochet outside of the inboard width of the J-shaped hook of described joint B and the J-shaped hook of described joint A is suitable to the width between the terminal process inboard of this joint A;
When described two flat walls pipe racks material is twined tubulation, when described joint A and described joint B cooperate hook joint to be connected, the crochet outer surface of the J-shaped hook of described joint A pastes cooperation with the outer surface of the described sidewall B that extends joint B and the J-shaped hook bottom interior surface of described joint B respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of described joint A and adjacent described internal layer/outer plastic cement wall is positioned at same cylndrical surface; The crochet outer surface of the J-shaped hook of described joint B pastes cooperation with the outer surface of the described sidewall A that extends joint A and the J-shaped hook bottom interior surface of described joint A respectively mutually with hook end end face, and the outer surface of the bottom outer surface of the J-shaped hook of described joint B and adjacent described skin/internal layer plastic cement wall is positioned at same cylndrical surface.
2. two flat walls entwining tube bridging arrangement as claimed in claim 1 is characterized in that, the hook end inside top of the J-shaped hook of described joint A comprises the chamfering hypotenuse, and the hook end inside top of the J-shaped hook of described joint B comprises the chamfering hypotenuse.
3. two flat walls entwining tube bridging arrangement as claimed in claim 1 or 2 is characterized in that, described joint A becomes 180 degree rotation symmetries with described joint B along described two flat walls pipe racks material cross-section center.
4. a two flat walls pipe uses two flat walls pipe racks material to twine and makes, and it is characterized in that described two flat walls pipe racks material comprises two flat walls entwining tube bridging arrangement as claimed in claim 1.
5. two flat walls pipe as claimed in claim 4 is characterized in that, the hook end inside top of the J-shaped hook of described joint A comprises the chamfering hypotenuse, and the hook end inside top of the J-shaped hook of described joint B comprises the chamfering hypotenuse.
6. as claim 4 or 5 described two flat walls pipes, it is characterized in that described joint A becomes 180 degree rotation symmetries with described joint B along described two flat walls pipe racks material cross-section center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205577898U CN201875297U (en) | 2010-10-12 | 2010-10-12 | Double-flat-wall winding pipe lap joint structure and double-flat-wall pipe using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205577898U CN201875297U (en) | 2010-10-12 | 2010-10-12 | Double-flat-wall winding pipe lap joint structure and double-flat-wall pipe using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201875297U true CN201875297U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205577898U Expired - Lifetime CN201875297U (en) | 2010-10-12 | 2010-10-12 | Double-flat-wall winding pipe lap joint structure and double-flat-wall pipe using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201875297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720942A (en) * | 2012-02-02 | 2012-10-10 | 阴法军 | Steel belt material and method for manufacturing spiral drain pipe by using same |
| CN106764126A (en) * | 2017-01-25 | 2017-05-31 | 高其容 | A kind of HDPE hollow walls wound drain pipe production equipment and method |
-
2010
- 2010-10-12 CN CN2010205577898U patent/CN201875297U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720942A (en) * | 2012-02-02 | 2012-10-10 | 阴法军 | Steel belt material and method for manufacturing spiral drain pipe by using same |
| CN106764126A (en) * | 2017-01-25 | 2017-05-31 | 高其容 | A kind of HDPE hollow walls wound drain pipe production equipment and method |
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