CN215172935U - Novel steel band reinforcing helical bellows - Google Patents
Novel steel band reinforcing helical bellows Download PDFInfo
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- CN215172935U CN215172935U CN202120606379.6U CN202120606379U CN215172935U CN 215172935 U CN215172935 U CN 215172935U CN 202120606379 U CN202120606379 U CN 202120606379U CN 215172935 U CN215172935 U CN 215172935U
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Abstract
The utility model discloses a novel steel band reinforced helical bellows, which comprises a pipe body, a plastic outer pipe and a wave-shaped steel band, wherein a plurality of fixed blocks are fixedly arranged on the surface of the pipe body, the fixed blocks are all connected with the bottom block of the plastic outer pipe, a fixed bolt is fixedly arranged on the top end of the inner wall of the plastic outer pipe, the bottom end of the fixed bolt is connected with the top block of the outer wall of the wave-shaped steel band, the inside of the pipe body is composed of a base pipe and an inner pipe, the inner wall of the base pipe is welded with the outer wall of the inner pipe, a shock absorption bracket is fixedly arranged on the bottom end of the wave-shaped steel band, a connecting pipe is fixedly arranged at both ends of the pipe body, and an external thread pipe is fixedly arranged inside the connecting pipe. The connecting pipe which can be tightly connected with another corrugated pipe is arranged, so that the sealing performance and the stability of the corrugated pipes in the process of mutual connection are improved.
Description
Technical Field
The utility model relates to a helical bellows technical field specifically is a novel steel band reinforcing helical bellows.
Background
The steel band reinforced spiral corrugated pipe is a double-wall spiral corrugated pipe which takes high-density polyethylene as a substrate, is formed by forming a wave shape by a steel band coated with adhesive resin on the surface and is used as a main supporting structure, and is wound and compounded with polyethylene materials into a whole, namely the steel band reinforced polyethylene spiral corrugated pipe.
At present, the existing production mode of the steel strip reinforced polyethylene helical bellows is formed by melting, compounding and winding a polyethylene material and a steel strip on a production line. The corrugated steel belt mainly plays a rigid role, and the steel belt can be supported only when the bonding position of the corrugated steel belt and the plastic inner pipe meets a certain thickness requirement, so that the pipe achieves certain annular rigidity. The inner wall of the pipe is easy to crack due to insufficient thickness of the bonding part of the plastic inner pipe, so that the service life of the pipe is shortened, and meanwhile, when the pipe is constructed on site, two adjacent steel belt reinforced polyethylene spiral corrugated pipes are connected together mostly by adopting an electric melting belt, a shrinkage sleeve and an extrusion welding gun.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel steel band reinforcing helical bellows to it is not enough because of the material bonding department thickness in the plastics to solve to provide in the above-mentioned background art, cause the fracture of tubular product inner wall easily, make tubular product life descend, in the pipeline, when the job site, two adjacent steel bands reinforcing polyethylene helical bellows adopt the electric smelting area more, shrink sleeve, extrude welder and link together, connection method is high to the requirement of environment, it is great to the consumption ratio of resources such as electric power, the leakproofness of pipe connection also remains the problem that improves.
In order to achieve the above object, the utility model provides a following technical scheme: a novel steel band reinforced spiral corrugated pipe comprises a pipe body, a plastic outer pipe, a connecting pipe and a wave-shaped steel band, wherein a plurality of fixing blocks are fixedly arranged on the surface of the pipe body and are connected with the bottom end of the plastic outer pipe in a clamping manner, a fixing bolt is fixedly arranged at the top end of the inner wall of the plastic outer pipe, the bottom end of the fixing bolt is connected with the top end of the outer wall of the wave-shaped steel band in a clamping manner, the inside of the pipe body is composed of a base pipe and an inner pipe, the inner wall of the base pipe is welded with the outer wall of the inner pipe, a damping support is fixedly arranged at the bottom end of the wave-shaped steel band, a shock absorber is fixedly arranged inside the damping support, the connecting pipe is fixedly arranged at both ends of the pipe body, an external threaded pipe is fixedly arranged inside the connecting pipe, the external threaded pipe is in threaded connection with the connecting sleeve, the outer wall of the connecting pipe is in threaded connection with the inner wall of the connecting pipe, the middle part fixed mounting of adapter sleeve inside wall has the stopper, the one end of stopper and the one end of external screw thread pipe closely laminate, the inner wall threaded connection of external screw thread pipe has the interconnection to take over, the one end of interconnection take over closely laminates with the one end of inner tube and parent tube.
As an optimized technical scheme of the utility model, the middle part of adapter sleeve outer wall bonds and has the external seal circle.
As a preferred technical scheme of the utility model, the buffer washer has all been bonded at adapter sleeve's both ends, the one end of buffer washer bonds and has interior sealing washer, the inboard fixed connection of interior sealing washer and connecting pipe.
As an optimal technical scheme of the utility model, the mounting hole has all been seted up to the top and the bottom of connecting pipe.
As an optimized technical proposal of the utility model, the inner wall of the inner tube is coated with a corrosion-resistant coating.
As a preferred technical scheme of the utility model, the internal diameter of interconnection connecting pipe is the same with the internal diameter of inner tube.
As an optimized technical scheme of the utility model, wave form steel band and plastics outer tube heliciform twine in the outer wall of body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. set up wave form steel band and plastics outer tube, the surperficial heliciform winding at the body sets up wave form steel band and plastics outer tube, through the gim peg with wave form steel band and plastics outer tube zonulae occludens, the rethread fixed block is fixed the plastics outer tube on the body surface, inside parent tube and the inner tube of being provided with of body, firm in connection between each layer has improved the rigidity of bellows and the life of bellows greatly to make this pipeline have good geological adaptability.
2. Set up shock absorber support, through shock absorber support connection wave form steel band and inner tube, shock absorber support's inside is provided with a plurality of bumper shock absorber, can further improve the outside resistance to compression damping performance of body.
3. Set up the connecting pipe, the equal fixed mounting in both ends of bellows has the connecting pipe, make things convenient for interconnect between the bellows, the inside of connecting pipe sets up buffering packing ring and sealing washer, can strengthen the leakproofness of junction and reduce the inside pressure that receives of connecting pipe, improve the life of connecting pipe, the outside of connecting pipe sets up the mounting hole, conveniently pass through the bolt with two mounting hole zonulae occludens, thereby make the connection between two bellows more firm.
Drawings
Fig. 1 is a schematic view of the front side of the present invention;
fig. 2 is a perspective view of the present invention;
fig. 3 is a front cross-sectional view of the present invention;
FIG. 4 is a structural diagram of the corrugated steel strip of the present invention;
FIG. 5 is a perspective view of the connecting tube of the present invention;
fig. 6 is a structural diagram of the joint of two corrugated pipes according to the present invention.
In the figure: 1. a pipe body; 2. a plastic outer tube; 3. a connecting pipe; 4. a wave-shaped steel belt; 5. an inner tube; 6. a base pipe; 7. a fixing bolt; 8. a shock-absorbing support; 9. a shock absorber; 10. a cushion washer; 11. mounting holes; 12. a limiting block; 13. an outer sealing ring; 14. connecting a sleeve; 15. an internal connection pipe; 16. an externally threaded tube; 17. a fixed block; 18. and an inner sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the utility model provides a novel steel band reinforced helical bellows, which comprises a pipe body 1, a plastic outer pipe 2, a connecting pipe 3 and a waveform steel band 4, wherein a plurality of fixing blocks 17 are fixedly arranged on the surface of the pipe body 1, the fixing blocks 17 are all connected with the bottom end of the plastic outer pipe 2 in a clamping manner, a fixing bolt 7 is fixedly arranged on the top end of the inner wall of the plastic outer pipe 2, the bottom end of the fixing bolt 7 is connected with the top end of the outer wall of the waveform steel band 4 in a clamping manner, the pipe body 1 is internally composed of a base pipe 6 and an inner pipe 5, the inner wall of the base pipe 6 is welded with the outer wall of the inner pipe 5, a damping bracket 8 is fixedly arranged on the bottom end of the waveform steel band 4, a damper 9 is fixedly arranged inside the damping bracket 8, the connecting pipe 3 is fixedly arranged at both ends of the pipe body 1, an external thread pipe 16 is fixedly arranged inside the connecting pipe 3, and is connected with a connecting sleeve 14, the outer wall of connecting sleeve 14 and the inner wall threaded connection of connecting pipe 3, the middle part fixed mounting of the inner wall of connecting sleeve 14 has stopper 12, and the one end of stopper 12 and the one end of external screw thread pipe 16 closely laminate, and the inner wall threaded connection of external screw thread pipe 16 has interconnection pipe 15, and the one end of interconnection pipe 15 closely laminates with the one end of inner tube 5 and parent tube 6.
Preferably, the outer sealing ring 13 is adhered to the middle of the outer wall of the connecting sleeve 14, so as to enhance the sealing performance of the outer part of the connecting pipe 3.
Preferably, the buffer gaskets 10 are bonded to both ends of the connection sleeve 14, the inner sealing ring 18 is bonded to one end of the buffer gasket 10, the inner sealing ring 18 is fixedly connected to the inner side of the connection pipe 3, and the buffer gasket 10 and the inner sealing ring 18 can reduce the pressure applied to the inside of the connection pipe and improve the sealing performance.
Preferably, mounting holes 11 are formed in the top end and the bottom end of the connecting pipe 3, and the mounting holes 11 of the two corrugated pipes can be connected together through the mounting holes 11 by using fixing bolts in a threaded mode, so that the tightness of the connecting position is improved.
Preferably, the inner wall of the inner tube 5 is coated with a corrosion-resistant coating, by which the corrosion resistance of the inner wall of the inner tube 5 can be enhanced.
Preferably, the inner diameter of the inner connecting pipe 15 is the same as the inner diameter of the inner pipe 5, facilitating communication inside the pipe.
Preferably, the corrugated steel strip 4 and the plastic outer pipe 2 are spirally wound on the outer wall of the pipe body 1, so that the strength of the corrugated pipe can be enhanced, and the service life of the corrugated pipe can be prolonged.
When the novel steel band reinforced helical bellows is used, the novel steel band reinforced helical bellows is characterized in that a corrugated steel band 4 and a plastic outer tube 2 are spirally wound on the surface of a tube body 1, the corrugated steel band 4 is tightly connected with the plastic outer tube 2 through a fixing bolt 7, the plastic outer tube 2 is fixed on the surface of the tube body 1 through a fixing block 17, a base tube 6 and an inner tube 5 are arranged inside the tube body 1, the connection between each layer is firm, the rigidity of the bellows and the service life of the bellows are greatly improved, the pipeline has good geological adaptability, the corrugated steel band 4 is connected with the tube body 1 through a damping support 8, a plurality of dampers 9 are arranged inside the damping support 8, the compression resistance and the damping performance outside the tube body 1 can be further improved, connecting tubes 3 are fixedly mounted at both ends of the bellows, the mutual connection between the bellows is convenient, and an interconnecting connecting tube 15 is arranged inside the connecting tubes 3, the internal diameter of interconnection connecting pipe 15 is the same with inner tube 5, make things convenient for the intercommunication between the bellows, increase the fastness of 3 internal connection of connecting pipe through adapter sleeve 14, adapter sleeve 14's both ends all are provided with buffering packing ring 10 and inner seal 18, can strengthen the inside leakproofness of junction and reduce the inside pressure that receives of connecting pipe 3, improve connecting pipe 3's life, the top of connecting pipe 3 sets up mounting hole 11, can be through bolt with 11 zonulae occludens in two mounting holes, thereby make the connection between two bellows more firm.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a novel steel band reinforcing helical bellows, includes body (1), plastics outer tube (2), connecting pipe (3) and wave form steel band (4), its characterized in that: the fixed surface of body (1) installs a plurality of fixed block (17), a plurality of fixed block (17) all are connected with the bottom block of plastics outer tube (2), the top fixed mounting of plastics outer tube (2) inner wall has gim peg (7), the bottom of gim peg (7) is connected with the top block of waveform steel band (4) outer wall, the inside of body (1) comprises parent tube (6) and inner tube (5), the inner wall of parent tube (6) and the outer wall butt fusion of inner tube (5), the bottom fixed mounting of waveform steel band (4) has shock absorber support (8), the inside fixed mounting of shock absorber support (8) has bumper shock absorber (9), the equal fixed mounting in both ends of body (1) has connecting pipe (3), the inside fixed mounting of connecting pipe (3) has outer screwed pipe (16), outer screwed pipe (16) threaded connection has connecting sleeve (14), the outer wall of adapter sleeve (14) and the inner wall threaded connection of connecting pipe (3), the middle part fixed mounting of adapter sleeve (14) inner wall has stopper (12), the one end of stopper (12) and the one end of external screw thread pipe (16) closely laminate, the inner wall threaded connection of external screw thread pipe (16) has interconnection pipe (15), the one end of interconnection pipe (15) closely laminates with the one end of inner tube (5) and parent tube (6).
2. The novel steel strip reinforced helical bellows of claim 1, wherein: and an outer sealing ring (13) is bonded in the middle of the outer wall of the connecting sleeve (14).
3. The novel steel strip reinforced helical bellows of claim 1, wherein: the both ends of connecting sleeve (14) all bond and have cushion washer (10), the one end of cushion washer (10) bonds and has interior sealing washer (18), interior sealing washer (18) and the inboard fixed connection of connecting pipe (3).
4. The novel steel strip reinforced helical bellows of claim 1, wherein: mounting holes (11) are formed in the top end and the bottom end of the connecting pipe (3).
5. The novel steel strip reinforced helical bellows of claim 1, wherein: the inner wall of the inner pipe (5) is coated with a corrosion-resistant coating.
6. The novel steel strip reinforced helical bellows of claim 1, wherein: the inner diameter of the inner connecting pipe (15) is the same as that of the inner pipe (5).
7. The novel steel strip reinforced helical bellows of claim 1, wherein: the corrugated steel belt (4) and the plastic outer pipe (2) are spirally wound on the outer wall of the pipe body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120606379.6U CN215172935U (en) | 2021-03-25 | 2021-03-25 | Novel steel band reinforcing helical bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120606379.6U CN215172935U (en) | 2021-03-25 | 2021-03-25 | Novel steel band reinforcing helical bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172935U true CN215172935U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120606379.6U Active CN215172935U (en) | 2021-03-25 | 2021-03-25 | Novel steel band reinforcing helical bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215172935U (en) |
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2021
- 2021-03-25 CN CN202120606379.6U patent/CN215172935U/en active Active
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