CN208778903U - A kind of high strong ties plastic-steel spirally-wound pipe having stress cracking - Google Patents

Abstract

The utility model relates to tubing technical fields, and in particular to a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking.Including outer tube wall, inner tubal wall, the buffer stopper between said inner tube wall and outer tube wall, bell end and inserted terminal, the oval aperture structure of anti-stress cracking is offered on buffer stopper；The outer tube wall outer end is equipped with several reinforcement convex ribs, and cushion is equipped in the reinforcement convex ribs, and cushion is equipped with steel strip winding structure sheaf；The bell end and grafting end structure match, can be with plug connection；Bell end and inserted terminal pass through the plug connection of socket joint slot, firm plug, good airproof performance；Reinforce ring stiffness and appearance wear-resisting property that convex ribs improve winding pipe；The setting of stress relief structure improves winding pipe crack resistence performance, improves the durability of tube body；Cushion improves the buffering and damping effect of tube body, further increases tube body intensity；Pipe structure is simple, and anti-stress cracking effect is good, practical.

Description

A kind of high strong ties plastic-steel spirally-wound pipe having stress cracking

Technical field

The utility model relates to tubing technical fields, and in particular to a kind of high strong ties plastic-steel-wound for having stress cracking Pipe.

Background technique

Plastic-steel spirally-wound pipe is a kind of novel non-pressure drainpipe, is with high density polyethylene (HDPE) or medium density polyethylene plastics and carbon Plain structural steel cold-rolled strip (such as Q195) is raw material, is made of the irregular belt material of steel plastic compount through spiral winding welding, in Wall is smooth, has many advantages, such as that corrosion-resistant, light weight, simple installation, circulation are big, the service life is long, belongs to environment-friendly production Product.Mainly as buried drain pipe material, rigidity and the corrosion resistance of polyethylene, the frictional resistance for integrating steel band is low, wear-resistant etc. Advantage.It can be widely applied in municipal works, wastewater and sewage processing and other major construction projects.

When existing plastic-steel spirally-wound pipe is due to adding the ingredient other than polyethylene, it be easy to cause the flexibility of tubing and adds Work performance is poor, and stress resistance is poor, is easy cracking, needs to make improvements.

Utility model content

Above-mentioned to solve the problems, such as, the purpose of this utility model is to provide a kind of high strong ties for having stress cracking Plastic-steel spirally-wound pipe.

In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of high strong ties modeling having stress cracking Steel winding pipe, including hollow tubular product body, the hollow tubular product body include outer tube wall, inner tubal wall, are located at said inner tube wall and outer tube Several buffer stoppers, bell end and inserted terminal between wall；The outer tube wall outer end is equipped with several reinforcement convex ribs, the reinforcement convex ribs It is interior to be equipped with cushion, steel strip winding structure is equipped in the cushion；The bell end and grafting end structure match, can With plug connection；The buffer stopper is equipped with several stress relief structures.

Preferably, the stress relief structure is oval aperture structure, offers a stress on each buffer stopper and disappears Except structure, the fluid circulating direction of the long axis of the oval aperture structure and the hollow tubular product body is perpendicular.It can be effective Elimination tube body inside and outside wall between the internal stress that generates.

Preferably, several reinforcement steel wire floors are additionally provided between two neighboring buffer stopper.The whole of tube body can be improved Structural strength.

Preferably, the reinforcement steel wire floor outer end is additionally provided with adhesive layer, and the adhesive layer will reinforce steel wire floor tightly It wraps and adhesive layer is connected with outer tube wall inner end, inner tubal wall outer end and two neighboring buffer stopper.Further increase pipe The intensity and anti-stress cracking effect of body.

Preferably, the bell end in loudspeaker flared and is equipped with socket joint slot, and the socket joint slot and buffer stopper position are opposite It answers；The inserted terminal is in shrink mouth shape.

Preferably, the channel internal diameter of the channel internal diameter of the bell end and hollow tubular product body is suitable, and the inserted terminal leads to Road internal diameter be greater than the bell end channel internal diameter and bell end connect with inserted terminal socket joint after the inserted terminal inner wall with hold Lower end surface fits closely in slot, and upper surface fits closely in the outer wall and socket joint slot of the inserted terminal.

Preferably, upper surface is oblique in the socket joint slot and matches with inserted terminal shrink mouth shape, in the socket joint slot Upper surface is equipped with connecting groove, and the inserted terminal outer end face is equipped with the connection convex block to match with connecting groove.Improve socket joint jail Soundness and sealing performance.

Preferably, the cross section of the connecting groove and connection convex block is in semicircular arc.Facilitate grafting.

Preferably, lower end surface is equipped with cunning in axial direction and inserts raised line in the socket joint slot, and the inserted terminal inner face is set There is the cunning quickset groove to match with sliding slotting raised line.Further improve firm plug degree and sealing performance.

Preferably, the reinforcement convex ribs cross section is in isosceles trapezoidal structure, the cushion structure and reinforcement convex ribs knot Structure matches.The ring stiffness and bradyseism effect of raising winding pipe and anti-stress cracking effect.

The utility model has the beneficial effects that: a kind of high strong ties plastic-steel-wound of tool stress cracking of the utility model Pipe, including hollow tubular product body, the hollow tubular product body include outer tube wall, inner tubal wall, between said inner tube wall and outer tube wall Buffer stopper, bell end and inserted terminal, the oval aperture structure of anti-stress cracking is offered on buffer stopper；Outside the outer tube wall End is equipped with several reinforcement convex ribs, and cushion is equipped in the reinforcement convex ribs, and cushion is equipped with steel strip winding structure sheaf；It is described Bell end and grafting end structure match, can be with plug connection；Bell end and inserted terminal pass through the plug connection of socket joint slot, grafting jail Gu good airproof performance；Reinforce ring stiffness and appearance wear-resisting property that convex ribs improve winding pipe；The setting of stress relief structure improves Winding pipe crack resistence performance, improves the durability of tube body；Cushion improves the buffering and damping effect of tube body, further mentions High tube body intensity；Tube body overall structure is simple, and anti-stress cracking effect is good, practical.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

Wherein, 1- outer tube wall, 2- inner tubal wall, 3- bell end, 31- socket joint slot, the sliding slotting raised line of 32-, 33- connecting groove, 4- Inserted terminal, 41- connection convex block, the sliding quickset groove of 42-, 5- buffer stopper, 6- stress relief structure, 7- reinforcement convex ribs, 8- cushion, 9- steel strip winding structure, 10- reinforce steel wire floor, 11- adhesive layer.

Specific embodiment

To keep the purpose, technical scheme and beneficial effects of the utility model embodiment clearer, below in conjunction with this reality With novel attached drawing, the technical solutions in the embodiments of the present invention are clearly and completely described, it is clear that described Embodiment is only a part of the embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model Example, those of ordinary skill in the art's every other embodiment obtained without creative labor, all belongs to In the protection scope of the utility model.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation of the utility model.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or integrally connected；It can be with It is to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For the general of this field For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Unless otherwise defined, the technical term or scientific term furthermore used is should be in the utility model fields The ordinary meaning that personage with general technical ability is understood.Make in the utility model patent application specification and claims The similar word such as "one" or " one " does not indicate that quantity limits yet, but indicates that there are at least one.

As shown in Figure 1, as the embodiments of the present invention, a kind of high strong ties plastic-steel spirally-wound pipe having stress cracking, Including hollow tubular product body, the hollow tubular product body includes outer tube wall 1, inner tubal wall 2, between said inner tube wall 2 and outer tube wall 1 Several buffer stoppers 5, bell end 3 and inserted terminal 4；1 outer end of outer tube wall is equipped with several reinforcement convex ribs 7, the reinforcement convex ribs 7 It is interior to be equipped with cushion 8, steel strip winding structure 9 is equipped in the cushion 8；4 structure phase of the bell end 3 and inserted terminal knot Match, it can be with plug connection；The buffer stopper 5 is equipped with several stress relief structures 6.

The stress relief structure 6 is oval aperture structure, offers a stress relief structure on each buffer stopper 5 6, the fluid circulating direction of the long axis of the oval aperture structure and the hollow tubular product body is perpendicular.It can effectively eliminate The internal stress generated between tube body inside and outside wall；Several reinforcement steel wire floors 10 are additionally provided between two neighboring buffer stopper 5.It can be improved The whole overall structural strength of tube body；10 outer end of reinforcement steel wire floor is additionally provided with adhesive layer 11, and the adhesive layer 11 will Reinforcement steel wire floor 10 tightly wraps and 12 inner end of adhesive layer 11 and outer tube wall, inner tubal wall outer end and two neighboring buffer stopper 5 It is connected.Further increase the intensity and anti-stress cracking effect of tube body.

The bell end 3 is in loudspeaker flared and is equipped with socket joint slot 31, and the socket joint slot 31 is opposite with 5 position of buffer stopper It answers；The inserted terminal 4 is in shrink mouth shape.

The channel internal diameter of the bell end 3 and the channel internal diameter of hollow tubular product body are suitable, the channel internal diameter of the inserted terminal 4 Greater than the bell end 3 channel internal diameter and bell end 3 connected with 4 socket joint of inserted terminal after the inserted terminal 4 inner wall and socket joint Lower end surface fits closely in slot 31, and upper surface fits closely in the outer wall and socket joint slot 31 of the inserted terminal 4.

Upper surface is oblique in the socket joint slot 31 and matches with 4 shrink mouth shape of inserted terminal, in the socket joint slot 31 on End face is equipped with connecting groove 33, and 4 outer end face of inserted terminal is equipped with the connection convex block 41 to match with connecting groove 33.Raising is held Insert firmly soundness and sealing performance；The cross section of the connecting groove 33 and connection convex block 41 is in semicircular arc.Facilitate grafting.

Lower end surface is equipped with cunning in axial direction and inserts raised line 32 in the socket joint slot 31, and 4 inner face of inserted terminal is equipped with The cunning quickset groove 42 to match with sliding slotting raised line 32.Further improve firm plug degree and sealing performance.

7 cross section of reinforcement convex ribs is in isosceles trapezoidal structure, 8 structure of cushion and reinforcement 7 structure phase of convex ribs Matching.The ring stiffness and bradyseism effect of raising winding pipe and anti-stress cracking effect.

Finally, it should be noted that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application.To the greatest extent Pipe is described in detail the utility model referring to above-described embodiment, those skilled in the art should understand that, it can be with The technical solution of utility model is modified or replaced equivalently, without departing from the range of technical solutions of the utility model, It should all cover in the scope of the claims of the utility model.

Claims (10)

1. a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking, which is characterized in that including hollow tubular product body, the hollow tube Material body includes outer tube wall, inner tubal wall, several buffer stoppers, bell end and inserted terminal between said inner tube wall and outer tube wall； The outer tube wall outer end is equipped with several reinforcement convex ribs, is equipped with cushion in the reinforcement convex ribs, is equipped in the cushion Steel strip winding structure；The bell end and grafting end structure match, can be with plug connection；The buffer stopper is equipped with several stress Eliminate structure.

2. a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking according to claim 1, which is characterized in that described to answer It is oval aperture structure that power, which eliminates structure, offers a stress relief structure, the oval aperture on each buffer stopper The fluid circulating direction of the long axis of structure and the hollow tubular product body is perpendicular.

3. a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking according to claim 1 or 2, which is characterized in that phase Several reinforcement steel wire floors are additionally provided between adjacent two buffer stoppers.

4. a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking according to claim 3, which is characterized in that described to add Strong steel wire floor outer end is additionally provided with adhesive layer, and the adhesive layer will reinforce steel wire floor and tightly wrap and adhesive layer and outer tube Wall inner end, inner tubal wall outer end and two neighboring buffer stopper are connected.

5. a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking according to claim 1 or 2, which is characterized in that institute Bell end is stated in loudspeaker flared and is equipped with socket joint slot, the socket joint slot and buffer stopper position are corresponding；The inserted terminal is in contracting Mouth shape.

6. a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking according to claim 5, which is characterized in that described to hold The channel internal diameter of spigot and the channel internal diameter of hollow tubular product body are suitable, and the channel internal diameter of the inserted terminal is greater than the bell end Lower end surface fits closely in the inner wall and socket joint slot of the inserted terminal after channel internal diameter and bell end are connected with inserted terminal socket joint, institute Upper surface in the outer wall and socket joint slot of inserted terminal is stated to fit closely.

7. a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking according to claim 5, which is characterized in that described to hold Upper surface is oblique in slot and matches with inserted terminal shrink mouth shape, and upper surface is equipped with connecting groove, institute in the socket joint slot It states inserted terminal outer end face and is equipped with the connection convex block to match with connecting groove.

8. a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking according to claim 7, which is characterized in that the company Connecing groove and connecting the cross section of convex block is in semicircular arc.

9. a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking according to claim 5, which is characterized in that described to hold Lower end surface is equipped with cunning in axial direction and inserts raised line in slot, and the inserted terminal inner face is equipped with the cunning to match with sliding slotting raised line Quickset groove.

10. a kind of high strong ties plastic-steel spirally-wound pipe for having stress cracking according to claim 1 or 2, which is characterized in that institute It states and reinforces convex ribs cross section in isosceles trapezoidal structure, the cushion structure matches with convex rib structure is reinforced.