CN214618389U - Stainless steel corrugated hose joint with insulation function - Google Patents

Abstract

The utility model discloses a stainless steel corrugated hose connects with insulating function, include the sleeve and compress tightly the cover, the chamber is equipped with plastic sheath, flat sealing washer in proper order and moulds the copper snap ring in the sleeve compress tightly the cover interior chamber and install the mountain-shaped sealing washer, and compress tightly cover and sleeve assembly back, compress tightly a side end face of cover and mould the copper snap ring and agree with and compress tightly, correspondingly, flat sealing washer that fills up respectively with plastic sheath and mould copper snap ring tight fit, the plastic sheath material is insulating plastics, just be formed with on the plastic sheath with bellows terminal surface complex annular, the plastic sheath center is equipped with the air vent, the periphery an organic whole of flat sealing washer is formed with flange portion be provided with the mounting groove on the sleeve inner chamber wall, the flange portion cooperation of flat sealing washer is inlayed and is established in the mounting groove. The utility model discloses rational in infrastructure, simple to operate, and insulating function is good, and overall sealing performance is good, has effectively guaranteed the safety in utilization.

Description

Stainless steel corrugated hose joint with insulation function

Technical Field

The utility model belongs to the technical field of bellows pipe fitting, concretely relates to stainless steel corrugated pipe hose connector that has insulating function.

Background

The stainless steel bellows is easy to bend and can freely bend and pass through a narrow space. The method can realize the pipe laying after decoration, and the pipe laying time node can be selected by a user. When the corrugated pipe is actually constructed and installed, the corrugated pipe is usually matched with a pipe fitting joint for use. Chinese patent (No. CN209484117U, published 2019, 10 and 11) discloses a "straight-insertion type joint", which structurally includes a joint and a base, the joint and the base are matched through threads, and a snap ring assembly is arranged inside the joint near one end; the connector is sleeved with an O-shaped ring, and a base on one side of the O-shaped ring is provided with an inner hexagonal fastening screw. The joint of this kind of structure passes through O type circle and sealing washer double seal, has improved the leakproofness that connects, but this kind of joint does not possess insulating function, combine in the actual installation environment, gas equipment often can produce high-voltage static at the during operation, high-voltage static conducts for stainless steel bellows through the joint, make the bellows have by the risk of this kind of high-voltage static puncture, in case the body breaks, gas leakage, very easily cause the incident, in order to avoid the emergence of above-mentioned accident, need to design a section and can block the hose coupling that high-voltage static conducts stainless steel bellows department urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed better, the more reasonable stainless steel corrugated hose joint who just has insulating function of effect of structure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stainless steel corrugated hose connects with insulating function, includes the sleeve and compresses tightly the cover, compress tightly cover threaded connection in telescopic one side, the chamber is equipped with plastics cover, flat sealing washer and moulds the copper snap ring in proper order in the sleeve compress tightly the cover interior chamber and install the chevron type sealing washer, and compress tightly cover and sleeve assembly back, compress tightly a side end face of cover and mould the copper snap ring and agree with and compress tightly, correspond ground, flat sealing washer respectively with plastics cover and mould copper snap ring tight fit, the plastics cover material is insulating plastics, and be formed with on the plastics sheathe in with bellows terminal surface complex annular, plastics cover center is equipped with the air vent.

Furthermore, the periphery of the flat gasket sealing ring is integrally formed with a flange part, a mounting groove is formed in the wall of the inner cavity of the sleeve, and the flange part of the flat gasket sealing ring is embedded in the mounting groove in a matching mode.

Further, the threaded portion of the pressing sleeve is sleeved with an O-shaped sealing ring and a limiting clamping sleeve, the limiting clamping sleeve is wrapped on the outer side of the O-shaped sealing ring, and after the pressing sleeve and the sleeve are assembled, the limiting clamping sleeve is located between the pressing sleeve and the sleeve.

Further, a leakage detection hole is formed in the peripheral wall of the pressing sleeve, and penetrates through the side wall of the pressing sleeve.

Further, mould plastics the copper snap ring and be formed by the integrative moulding plastics of snap ring main part and a plurality of copper sheet, one side plane of snap ring main part equallys divide into 6 spacing portions to expand all around, copper sheet and spacing portion one-to-one inlay respectively and establish in spacing portion bottom bayonet department.

Further, the plastic sheath is formed with an insertion portion along the vent hole peripheral side.

Preferably, the end surface of the insertion portion has a wedge surface structure.

Preferably, the joint surface of the plastic-copper clamping ring and the pressing sleeve is an inclined surface, and the plastic-copper clamping ring and the pressing sleeve are matched and sealed.

Compared with the prior art, the beneficial effects of the utility model are that: through the setting of insulating material plastic sheath for hose nipple possesses insulating function, and the bellows is when being connected with the gas equipment who has high-voltage electricity, and under the electric leakage state, high tension current can not conduct bellows department, has reduced the risk that the bellows was punctured by the electric current, and secondly, flat gasket sealing washer department integral type flange and sleeve inner wall annular tight fit form the anchor ring and seal, have improved hose nipple's whole leakproofness, have guaranteed safe in utilization.

Drawings

FIG. 1 is a sectional view of a hose connector according to embodiment 1 of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic structural view of a plastic sleeve in embodiment 1 of the present invention;

FIG. 4 is a schematic view of the plastic-copper snap ring structure of the present invention;

fig. 5 is an exploded view of embodiment 1 of the present invention;

fig. 6 is a schematic view of the connection between the bellows and the hose joint according to embodiment 1 of the present invention;

fig. 7 is a sectional view of a hose connector according to embodiment 2 of the present invention;

fig. 8 is a schematic view of the connection between the bellows and the hose joint according to embodiment 2 of the present invention.

In the figure: the device comprises a sleeve 1, a pressing sleeve 2, a plastic sleeve 3, a flat gasket sealing ring 4, a plastic copper clamping ring 5, a mountain-shaped sealing ring 6, an annular groove 7, an air vent 8, an embedding part 9, a flange part 10, a mounting groove 11, a corrugated pipe 12, an O-shaped sealing ring 13, a limiting clamping sleeve 14, a leakage detection hole 15, a sheath 16, a clamping ring main body 17, a copper sheet 18 and a limiting part 19.

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.

Example 1:

referring to fig. 1-6, the utility model provides a stainless steel corrugated hose connector with insulation function, comprising a sleeve 1 and a pressing sleeve 2, wherein the pressing sleeve 2 is connected with one side of the sleeve 1 by screw thread, a plastic sleeve 3, a flat gasket seal ring 4 and a plastic copper snap ring 5 are arranged in the sleeve 1 in sequence, a mountain-shaped seal ring 6 is arranged in the chamber of the pressing sleeve 2, after the pressing sleeve 2 is assembled with the sleeve 1, one side end surface of the pressing sleeve 2 is matched and pressed with the plastic copper snap ring 5, correspondingly, the flat gasket seal ring 4 is respectively tightly matched with the plastic sleeve 3 and the plastic copper snap ring 5, the plastic sleeve 3 is made of insulating plastic, a ring groove 7 matched with the end surface of a corrugated pipe is formed on the plastic sleeve 3, an air vent 8 is arranged at the center of the plastic sleeve 3, a flange part 10 is integrally formed at the periphery of the flat gasket seal ring 4, a mounting groove 11 is arranged on the inner cavity wall of the sleeve 1, the flange part 10 of the flat gasket sealing ring 4 is embedded in the mounting groove 11 in a matching way.

An insulating plastic sleeve 3 is arranged in the inner cavity of the sleeve 1 and between the connection position of the gas appliance interface and the corrugated pipe 12, so that the damage of the corrugated pipe 12 caused by high-voltage electric leakage of the gas appliance is blocked, and the safety accidents of gas leakage caused by high-voltage electric breakdown of the corrugated pipe 12 are avoided.

In this design, finish when the sleeve installation, the flange portion 10 of flat gasket sealing washer 4 department inlays establishes in the mounting groove 11 of 1 inner chamber wall of sleeve, it is sealed to form the anchor ring in the chamber in sleeve 1, it sets up chevron type sealing washer 6 to compress tightly 2 tight cooperations of cover, bellows 12 assembly back, hose joint passes through flat gasket sealing washer 4 and chevron type sealing washer 6, blocks external foreign matter and gets into 1 inner chamber of sleeve through the fit-up gap to play waterproof dirt-proof effect.

In this embodiment, in order to play a limiting role when sleeve 1 and compression sleeve 2 are assembled, avoid excessively screwing up and damage the internal parts of sleeve 1 the screw thread portion cover of compression sleeve 2 is equipped with O type sealing washer 13 and limiting cutting ferrule 14, limiting cutting ferrule 14 cladding is in the O type sealing washer 13 outside, and after compression sleeve 2 and sleeve 1 were assembled, limiting cutting ferrule 14 was located between the two.

In this embodiment, a leakage detection hole 15 is provided in the peripheral wall of the compression sleeve, and the leakage detection hole 15 penetrates through the side wall of the compression sleeve 2.

In this embodiment, in order to improve the strength of the retainer ring and make the retainer ring not easy to be pulled off when being connected with the corrugated pipe 12, the plastic-copper retainer ring 5 is formed by integrally injection molding a retainer ring main body 17 and a plurality of copper sheets 18, one side plane of the retainer ring main body 17 is equally divided into 6 limiting parts 19 to expand all around, and the copper sheets 18 correspond to the limiting parts 19 one to one and are respectively embedded at the bayonet at the bottoms of the limiting parts 19.

The utility model provides a corrugated hose connects, its theory of operation is: the utility model relates to a hose connector when the actual construction installation, need treat the bellows 12 of connecting earlier and carry out the preliminary treatment, utilize and cut skin ware and strip bellows 12 link crust 16, then establish the bellows 12 that has crust 16 with pressing sleeve 2 cover, then insert the sleeve 1 that installs mould copper snap ring 5, flat gasket sealing washer 4 and plastic sheath 3 with one end of bellows 12 in, when the installation, bellows 12 end is earlier through moulding copper snap ring 5, mould the spacing portion 19 card of copper snap ring 5 and establish in the ripple depressed part of bellows 12, bellows 12 end continues to go deep until reaching plastic sheath 3 to sleeve 1 inner chamber, make flat gasket sealing washer 4 inner wall cladding bellows 12 lateral wall, the annular 7 that plastic sheath 3 department formed sets up with bellows 12 terminal surface relatively, after pressing sleeve 2 and sleeve 1 screw thread, pressing sleeve 2 applys axial effort to the part of sleeve 1 inner chamber, the relative axial displacement of sleeve 1 atress, plastic sheath 3 that lies in sleeve 1 simultaneously shifts towards bellows 12 port department, the tip butt of bellows 12 is in the annular 7 department of plastic sheath 3, and bellows 12 is spacing by moulding the chucking of copper snap ring 5 simultaneously, mould copper snap ring 5, flat packing sealing washer 4 and the 3 axial extrusions of plastic sheath, two liang of joints, and simultaneously the flange portion 10 cooperation of flat packing sealing washer 4 is embedded into the mounting groove 11 of sleeve 1, realize the relative sealing of bellows 12 and sleeve 1 inner part, compress tightly the inboard flange face of cover 2 and closely laminate with spacing snap ring 14 this moment, and another side and the sleeve 1 terminal face mouth of spacing snap ring 14 are along closely jointing.

Example 2:

the main structure and the operation principle of this embodiment are the same as those of embodiment 1, and the differences are as follows: referring to fig. 7-8, the plastic sheath 3 is formed with an embedded portion 9 along the periphery of the vent hole 8, and the embedded portion 9 of the plastic sheath 3 is disposed along the inner wall opening of the corrugated tube 12, so that the embedded portion 9 of the plastic sheath 3 correspondingly extends into the inner hole of the corrugated tube 12, so as to make the assembly connection more compact. The end face of the embedded part 9 is of a wedge surface structure, so that the embedded part 9 is inserted into an inner hole of the corrugated pipe 12 during installation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a stainless steel corrugated hose connects that has insulating function, includes the sleeve and compresses tightly the cover, compress tightly cover threaded connection in telescopic one side, its characterized in that: the cavity is equipped with plastic sheath, flat sealing washer and moulds the copper snap ring in proper order in the sleeve compress tightly the cover cavity and install the chevron type sealing washer, and compress tightly cover and sleeve assembly back, compress tightly a side end face of cover and mould the copper snap ring and agree with and compress tightly, correspond ground, flat sealing washer respectively with plastic sheath with mould copper snap ring tight-fit, the plastic sheath material is insulating plastic, and be formed with on the plastic sheath with bellows terminal surface complex annular, the plastic sheath center is equipped with the air vent.

2. An insulating stainless steel corrugated hose coupler according to claim 1, wherein: the periphery of the flat gasket sealing ring is integrally formed with a flange part, a mounting groove is formed in the wall of the inner cavity of the sleeve, and the flange part of the flat gasket sealing ring is embedded in the mounting groove in a matching mode.

3. An insulating stainless steel corrugated hose coupler according to claim 1, wherein: the threaded portion of the pressing sleeve is sleeved with an O-shaped sealing ring and a limiting clamping sleeve, the limiting clamping sleeve is wrapped on the outer side of the O-shaped sealing ring, and after the pressing sleeve and the sleeve are assembled, the limiting clamping sleeve is located between the pressing sleeve and the sleeve.

4. An insulating stainless steel corrugated hose coupler according to claim 1, 2 or 3, wherein: and a leakage detection hole is formed in the peripheral wall of the pressing sleeve and penetrates through the side wall of the pressing sleeve.

5. An insulating stainless steel corrugated hose coupler according to claim 1, 2 or 3, wherein: mould plastics the copper snap ring and form by the integrative moulding plastics of snap ring main part and a plurality of copper sheet, one side plane of snap ring main part equallys divide into 6 spacing portions to expand all around, copper sheet and spacing portion one-to-one inlay respectively and establish in spacing portion bottom bayonet department.

6. An insulating stainless steel corrugated hose coupler according to claim 1, wherein: the plastic sleeve is formed with an insertion portion along the peripheral side of the vent hole.

7. An insulating stainless steel corrugated hose coupler according to claim 6, wherein: the end face of the embedded part is of a wedge surface structure.

8. An insulating stainless steel corrugated hose coupler according to claim 1, wherein: the joint surface of the plastic copper snap ring and the compression sleeve is an inclined surface, and the plastic copper snap ring and the compression sleeve are matched and sealed.

Images