CN214744087U

CN214744087U - Compression-resistant sealed expansion joint

Info

Publication number: CN214744087U
Application number: CN202120264934.1U
Authority: CN
Inventors: 潘伟景
Original assignee: Fujian Kangchao Building Materials Co ltd
Current assignee: Fujian Kangchao Building Materials Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-11-16
Anticipated expiration: 2031-01-30

Abstract

The utility model discloses a compression-resistant sealed expansion joint, which comprises a pipe body, a cover body, an anti-skidding bulge and a reinforcing strip, wherein the top end of the pipe body is connected with the inner side of the cover body through an external thread, the top end of the outer wall of the pipe body is provided with an inclined plane, the top end of the inclined plane is bonded with the bottom end of a sealing ring, the top end of the sealing ring is bonded with the bottom end of a pressing ring, the top end of the pressing ring is bonded with the bottom end of the inner side of the cover body, the middle part of the inner side of the pipe body is fixedly provided with a limiting bulge, the bottom end of the outer wall of the pipe body is fixedly provided with a fixing ring, the pipe body consists of an outer pipe and an inner pipe, the inner side of the outer pipe is bonded with the outer side of the reinforcing layer, the inner side of the reinforcing layer is bonded with a compression-resistant damping layer, the inner side of the compression-resistant damping layer is bonded with the outer side of the inner pipe, the sealing ring is arranged, the reinforcing layer is arranged on the strength of the expansion joint, the compression resistance of the expansion joint is enhanced, and the waterproof performance of the inner wall of the expansion joint is enhanced by arranging the waterproof rubber ring.

Description

Compression-resistant sealed expansion joint

Technical Field

The utility model relates to a pipe connection technical field specifically is a resistance to compression canned type telescopic joint.

Background

The expansion joint can also be called a pipeline expansion joint, a compensator or an expansion joint. The telescopic joint comprises: corrugated expansion joints, sleeve expansion joints, square natural compensation expansion joints and the like are used, wherein the corrugated expansion joints are commonly used. Because of the expansion and contraction of the pipeline, the pipeline generates the stress and push-pull force of the pipe wall; the pipe wall stress influences the strength of the pipeline, the push-pull force is increased, and a fixing support of the pipeline needs to be made large to bear the push-pull force generated by the expansion and contraction of the pipeline; therefore, the expansion joint (expansion joint) is mainly used for compensating the expansion deformation of the pipeline caused by temperature change by utilizing an expansion joint compensation variable-opening method to reduce the stress of the pipeline wall and the thrust, and is also used for length compensation of the pipeline required by installation adjustment and the like. The plastic pipeline has the characteristics of ageing resistance, corrosion resistance and low cost, so that the plastic pipeline is widely applied to various industries. Because of the expansion and contraction characteristics of plastics, when plastic pipes are used for long distance transportation, expansion joints must be added to the pipe system to counteract the expansion and contraction of the plastics. The existing expansion joint is not high in strength, insufficient in anti-pressure and anti-shock capacity and required to be strengthened in sealing performance, and meanwhile, the existing expansion joint is complex in structure, inconvenient to install and fix and troublesome to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistance to compression canned type telescopic joint to the current telescopic joint intensity that provides in solving above-mentioned background art is not high, and resistance to compression shock resistance is not enough, and the leakproofness needs to be strengthened, simultaneously, current telescopic joint, and the structure is complicated, and the installation of being not convenient for is fixed, uses comparatively trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a resistance to compression canned type telescopic joint, includes body, lid, anti-skidding arch and enhancement strip, the inboard threaded connection of external screw thread and lid is passed through on the top of body, the inclined plane is seted up at the top of body outer wall, the top on inclined plane bonds with the bottom of sealing washer, the top of sealing washer bonds with the bottom of clamping ring, the top of clamping ring bonds with the inboard bottom of lid, the inboard middle part fixed mounting of body has spacing arch, the bottom fixed mounting of body outer wall has solid fixed ring, the body comprises outer tube and inner tube, the inboard of outer tube bonds with the outside of enhancement layer, the inboard bonding of enhancement layer has the resistance to compression buffer layer, the inboard of resistance to compression buffer layer bonds with the outside of inner tube.

As an optimized technical scheme of the utility model, the middle part fixed mounting of body outer wall has the enhancement strip.

As an optimized technical scheme of the utility model, the outer wall fixed mounting of lid has a plurality of non-slip raised.

As an optimized technical scheme of the utility model, the resistance to compression shock absorber layer is made by the silica gel cloth, the enhancement layer is made by the stainless steel net.

As an optimized technical scheme of the utility model, a plurality of screw hole has been seted up on solid fixed ring's surface.

As an optimized technical scheme of the utility model, the inner wall of inner tube bonds and has waterproof rubber ring, the surface of waterproof rubber ring is scribbled and is equipped with corrosion-resistant coating.

Compared with the prior art, the beneficial effects of the utility model are that:

1. set up body pole and lid, body and lid threaded connection, the junction of body and lid sets up sealing washer and clamp ring, the sealing performance of reinforcing telescopic joint to make sealing washer and pipeline in close contact with, strengthened the result of use of telescopic joint, simultaneously, the body is inside to set up resistance to compression shock absorber layer and enhancement layer, the resistance to compression shock absorber layer is made by the silica gel cloth, the enhancement layer is made by the stainless steel net, further promotes the resistance to compression shock absorber performance of telescopic joint and the intensity of body, has improved the practicality of telescopic joint greatly.

2. Set up the enhancement strip, through the enhancement strip on body surface, can further improve the intensity of body, the outer wall that sets up the lid is provided with the non-slip raised, through the non-slip raised, can the rotatory lid of person of facilitating the use, thereby be convenient for open the telescopic joint, the concatenation and the fixing of telescopic joint can be convenient for through the screw hole of seting up on the solid fixed ring, the inner wall bonding of telescopic joint inner tube has waterproof rubber ring, through waterproof rubber ring, can strengthen the waterproof performance of inner tube, prevent to leak, waterproof rubber ring's surface is scribbled and is equipped with the corrosion resistant coating, through the corrosion resistant coating, can strengthen the corrosion resistance of body, prevent that the body from damaging, the reinforcing practicality.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front sectional view of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a structural diagram of the inside of the tube body of the present invention.

In the figure: 1. a pipe body; 2. a cover body; 3. anti-skid projections; 4. a reinforcing strip; 5. a fixing ring; 6. a compression ring; 7. a seal ring; 8. a bevel; 9. a limiting bulge; 10. an inner tube; 11. a compression-resistant damping layer; 12. a reinforcing layer; 13. an outer tube; 14. waterproof rubber 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.

Please refer to fig. 1-4, the utility model provides a resistance to compression canned type telescopic joint, including body 1, lid 2, non-slip raised 3 and enhancement strip 4, the top of body 1 is passed through the inboard threaded connection of external screw thread with lid 2, inclined plane 8 is seted up at the top of body 1 outer wall, inclined plane 8's top bonds with the bottom of sealing washer 7, the top of sealing washer 7 bonds with the bottom of clamp ring 6, the top of clamp ring 6 bonds with the inboard bottom of lid 2, the inboard middle part fixed mounting of body 1 has spacing arch 9, the bottom fixed mounting of body 1 outer wall has solid fixed ring 5, body 1 comprises outer tube 13 and inner tube 10, the inboard of outer tube 13 bonds with the outside of enhancement layer 12, the inboard bonding of enhancement layer 12 has resistance to compression buffer layer 11, the inboard of resistance to compression buffer layer 11 bonds with the outside of inner tube 10.

Preferably, the middle part fixed mounting of body 1 outer wall has reinforcing bar 4, can strengthen the intensity of body 1 through reinforcing bar 4, improves the toughness of telescopic joint.

Preferably, the outer wall fixed mounting of lid 2 has a plurality of non-slip raised 3, through non-slip raised 3, can the convenient to use person rotatory lid 2 to be convenient for open the telescopic joint.

Preferably, the pressure-resistant damping layer 11 is made of silicon rubber cloth, the pressure-resistant capacity of the pipe body 1 is enhanced through the pressure-resistant damping layer 11, the service life is prolonged, the reinforcing layer 12 is made of a stainless steel net, and the strength of the pipe body 1 is further improved through the reinforcing layer 12.

Preferably, a plurality of screw hole is seted up on solid fixed ring 5's surface, and it can be convenient for splice and fix through solid fixed ring 5 to improve the screw hole.

Preferably, the inner wall of the inner pipe 10 is bonded with a waterproof rubber ring 14, the waterproof performance of the inner pipe 10 can be enhanced through the waterproof rubber ring 14, water leakage is prevented, the surface of the waterproof rubber ring 14 is coated with a corrosion-resistant coating, the corrosion resistance of the pipe body 1 can be enhanced through the corrosion-resistant coating, the pipe body 1 is prevented from being damaged, and the practicability is enhanced.

When the expansion joint is used in detail, the expansion joint of the compression-resistant sealing type mainly comprises a pipe body 1 and a cover body 2, the pipe body 1 is in threaded connection with the cover body 2, a sealing ring 7 and a pressing ring 6 are arranged at the joint of the pipe body 1 and the cover body 2, the sealing performance of the expansion joint is enhanced, the sealing ring 7 is in close contact with a pipeline, the using effect of the expansion joint is enhanced, meanwhile, a compression-resistant damping layer 11 and a reinforcing layer 12 are arranged inside the pipe body 1, the compression-resistant damping layer 11 is made of silica gel cloth, the reinforcing layer 12 is made of stainless steel mesh, the compression-resistant damping performance of the expansion joint and the strength of the pipe body 1 are further improved, the practicability of the expansion joint is greatly improved, a reinforcing strip 4 is arranged on the outer wall of the pipe body 1, an anti-skid bulge 3 is arranged on the outer wall of the cover body 2, and the cover body 2 can be rotated by a user conveniently through the anti-skid bulge 3, thereby be convenient for open the telescopic joint, the concatenation and the fixing of telescopic joint can be convenient for through the screw hole of seting up on solid fixed ring 5, and the inner wall of telescopic joint inner tube 10 bonds and has waterproof rubber ring 14, through waterproof rubber ring 14, can strengthen the waterproof performance of inner tube 10, prevents to leak, and the corrosion-resistant coating is scribbled on waterproof rubber ring 14's surface, through the corrosion-resistant coating, can strengthen the corrosion resistance of body 1, prevents that body 1 from damaging, has improved the reinforcing practicality of telescopic joint greatly.

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

1. The utility model provides a resistance to compression canned type telescopic joint, includes body (1), lid (2), skid-proof protrusion (3) and strengthens strip (4), its characterized in that: the top end of the pipe body (1) is in threaded connection with the inner side of the cover body (2) through an external thread, an inclined plane (8) is arranged at the top of the outer wall of the tube body (1), the top end of the inclined plane (8) is bonded with the bottom end of the sealing ring (7), the top end of the sealing ring (7) is bonded with the bottom end of the pressing ring (6), the top end of the pressing ring (6) is bonded with the bottom end of the inner side of the cover body (2), the middle part of the inner side of the pipe body (1) is fixedly provided with a limiting bulge (9), the bottom end of the outer wall of the tube body (1) is fixedly provided with a fixing ring (5), the tube body (1) is composed of an outer tube (13) and an inner tube (10), the inner side of the outer pipe (13) is bonded with the outer side of the reinforcing layer (12), the inner side of the reinforcing layer (12) is bonded with the compression-resistant damping layer (11), the inner side of the compression-resistant damping layer (11) is bonded with the outer side of the inner pipe (10).

2. The compression seal type expansion joint of claim 1, wherein: the middle part of the outer wall of the pipe body (1) is fixedly provided with a reinforcing strip (4).

3. The compression seal type expansion joint of claim 1, wherein: the outer wall of the cover body (2) is fixedly provided with a plurality of anti-skid bulges (3).

4. The compression seal type expansion joint of claim 1, wherein: the compression-resistant damping layer (11) is made of silica gel cloth, and the reinforcing layer (12) is made of a stainless steel net.

5. The compression seal type expansion joint of claim 1, wherein: the surface of the fixing ring (5) is provided with a plurality of threaded holes.

6. The compression seal type expansion joint of claim 1, wherein: the inner wall of the inner pipe (10) is bonded with a waterproof rubber ring (14), and the surface of the waterproof rubber ring (14) is coated with a corrosion-resistant coating.