CN211039971U

CN211039971U - Direct insertion type gas hose

Info

Publication number: CN211039971U
Application number: CN201921877334.1U
Authority: CN
Inventors: 钱镭
Original assignee: Qian's Functional Plastic Co ltd
Current assignee: Qian's Functional Plastic Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-17
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a formula gas hose cut straightly relates to gas hose technical field, for the gas hose among the solution prior art when being connected with the gas jar body building, need use corresponding switching end, and operation process is comparatively loaded down with trivial details, and the easy corrosion card of traditional threaded connection mode is dead problem moreover. The surface of compound gas hose is provided with outer metal weaving layer, the inboard of outer metal weaving layer is provided with outer flexible glue protection tube, the inboard of outer flexible glue protection tube is provided with the inner bag hose, the inside of inner bag hose is provided with the gas lumen, the one end of compound gas hose is provided with the metal joint subassembly, the metal joint subassembly includes the flange joint end, the one end of flange joint end is provided with sealed joint piece, the other end of flange joint end is provided with the pipe shaft covering, surround the groove in the inside of pipe shaft covering is provided with, the inside that surrounds the groove in is provided with the external seal rubber ring.

Description

Direct insertion type gas hose

Technical Field

The utility model relates to a gas hose technical field specifically is a formula gas hose cut straightly.

Background

The gas hose comprises a pipe joint, wherein the pipe joint consists of a pipe body and a steel sleeve fastened at one end of the pipe body, the pipe body is provided with a through air hole, one end of the pipe body is provided with an annular combination groove for inserting the hose, the axial depth of the annular combination groove is greater than the length of the steel sleeve, one part of the inner side surface of the annular combination groove is a conical surface, and a step is formed at the joint of the inner end of the conical surface and the other part of the inner side surface of the annular combination groove. The structure avoids the phenomenon that the end part of the pipe joint deforms due to the fact that the hose is inserted into the pipe joint too deeply when the pipe joint is matched with the hose, so that smooth gas is facilitated, and the safety is high. The joint of the outer side surface and the inner side surface of the annular combination groove adopts arc transition, so that stress concentration is prevented, the flexible pipe is a flexible pipe for conveying natural gas, coal gas or liquefied petroleum gas and the like, the flexible pipe takes a double-layer structure pipe as a base body, a surface layer is covered on the outer surface of the base body, and the joint surfaces among all layers of the flexible pipe are made into a convex-concave alternate structure. The surface of the hose is smooth, the hose is easy to clean, and the flexibility of the hose body is good; the strength of the hose is further improved, the service life is prolonged, the product quality is improved, the aging is delayed, and the color fading is prevented.

However, when the existing gas hose is connected with the gas tank body, a corresponding adapter end is needed, the operation process is complicated, and the traditional threaded connection mode is easy to rust and clamp; therefore, the existing requirements are not met, and an in-line gas hose is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a formula gas hose cut straightly to solve the gas hose that provides in the above-mentioned background art when being connected with the gas jar body building, need use corresponding switching end, operation process is comparatively loaded down with trivial details, moreover the dead problem of traditional threaded connection mode easy corrosion card.

In order to achieve the above object, the utility model provides a following technical scheme: a direct insertion type gas hose comprises a composite gas hose, an outer metal braid layer is arranged on the outer surface of the composite gas hose, the inner side of the outer metal braided layer is provided with an outer soft rubber protection tube, the inner side of the outer soft rubber protection tube is provided with an inner container hose, a gas pipe cavity is arranged inside the inner container hose, a metal joint component is arranged at one end of the composite gas hose, the metal joint component comprises a flange connecting end, one end of the flange connecting end is provided with a sealing connecting block, the other end of the flange connecting end is provided with a pipe body covering piece, an inner surrounding groove is arranged inside the pipe body covering piece, an outer sealing rubber ring is arranged in the inner surrounding groove, an assembling plug is arranged on the inner side of the pipe body covering part, an inner sealing rubber ring is arranged at one end of the assembly plug, and V-shaped metal elastic sheets are arranged on two sides of the outer surface of the assembly plug.

Preferably, the outer metal braided layer is connected with the outer soft rubber protection tube in a combined manner, and the outer metal braided layer is connected with the outer soft rubber protection tube through sealant.

Preferably, the composite gas hose is connected with the metal joint assembly in a combined manner, the flange connecting end is fixedly connected with the assembly plug and the sealing connecting block, and the diameter of the sealing connecting block is the same as that of the gas pipe cavity.

Preferably, the flange connecting end is connected with the pipe body covering piece in a welding mode, and the pipe body covering piece is connected with the outer sealing rubber ring through a clamping groove.

Preferably, the flange connecting end, the assembly plug and the sealing connecting block are arranged to be hollow structures, and the inner sealing rubber ring is connected with the assembly plug through a clamping groove.

Preferably, the assembly plug is connected with a V-shaped metal spring piece in a combined manner, and the V-shaped metal spring piece is arranged to be of an elastic structure.

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

1. the utility model discloses be provided with two sets of V type metal shrapnels on the both sides on montage plug surface, when the installation, only need with the montage plug insert the gas mouth of pipe inside can, because when the plug enters the mouth of pipe, the V type metal shrapnel of both sides will receive the extrusion, and when the shell fragment itself has certain elastic potential energy, after receiving the extrusion, the shell fragment will produce an opposite resilience force, after the plug completely enters the mouth of pipe, this resilience force will expand the shell fragment outward, form a mutual extrusion phenomenon with between the inner wall of mouth of pipe, thus the plug can directly fix in the mouth of pipe under the influence of external force not, need not cooperate corresponding screw adaptor to use, reduce cost consumption and installation operability;

2. the utility model discloses the orificial terminal surface department of gas will be wrapped up by the pipe shaft covering in inside connecting the use, all is provided with a sealed rubber ring in the inside of covering and the outside of plug, and the rubber ring of plug department mainly is responsible for the inside gas leakproofness of the mouth of pipe, and the inboard rubber ring of covering then provides sealed measure from orificial outside, like this respectively from inside and outside both sides to the protection of sealing up of interface, promote the security performance of pipeline.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic structural view of a metal joint assembly according to the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the composite gas hose of the present invention.

In the figure: 1. a composite gas hose; 2. a metal joint assembly; 3. a flange connection end; 4. a tube body covering; 5. an inner surrounding groove; 6. assembling a plug; 7. a V-shaped metal elastic sheet; 8. an inner sealing rubber ring; 9. sealing the rubber ring outside; 10. sealing the connecting block; 11. a gas pipe cavity; 12. an outer metal braid; 13. an outer soft rubber protection tube; 14. an inner container hose.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a direct insertion type gas hose comprises a composite gas hose 1, an outer metal woven layer 12 is arranged on the outer surface of the composite gas hose 1 and mainly used for protecting the whole gas pipeline from being broken due to external impact, an outer soft rubber protection pipe 13 is arranged on the inner side of the outer metal woven layer 12 and used for preventing the inner hose from being oxidized and aged, an inner hose 14 is arranged on the inner side of the outer soft rubber protection pipe 13 and used for conveying gas, a gas pipe cavity 11 is arranged inside the inner hose 14, a metal joint component 2 is arranged at one end of the composite gas hose 1, the metal joint component 2 comprises a flange connecting end 3, a sealing joint block 10 is arranged at one end of the flange connecting end 3 and connected with the pipeline, a hose body covering part 4 is arranged at the other end of the flange connecting end 3, an inner surrounding groove 5 is arranged inside the hose body covering part 4, and an outer sealing rubber ring 9 is arranged inside the inner surrounding groove 5, the gas pipeline sealing protection device is characterized in that sealing protection measures are carried out on the gas pipeline from the outside, an assembling plug 6 is arranged on the inner side of the pipe body covering part 4, an inner sealing rubber ring 8 is arranged at one end of the assembling plug 6, the gas pipeline sealing protection measures are carried out on the gas pipeline from the inside, V-shaped metal elastic sheets 7 are arranged on two sides of the outer surface of the assembling plug 6, and certain elastic potential energy can be generated when the elastic sheets are extruded.

Further, outer metal braiding layer 12 and outer flexible glue protection tube 13 built-up connection protect the flexible glue pipeline of inside, and outer metal braiding layer 12 passes through sealed glue connection with outer flexible glue protection tube 13, promotes stability.

Further, the composite gas hose 1 is connected with the metal joint assembly 2 in a combined mode, the flange connecting end 3 is fixedly connected with the assembly plug 6 and the sealing connecting block 10, the sealing performance of the pipeline is guaranteed, and the diameter of the sealing connecting block 10 is the same as that of the gas pipe cavity 11.

Further, flange joint end 3 and pipe shaft covering 4 welded connection, reinforcing stability, pipe shaft covering 4 passes through the draw-in groove with external seal rubber ring 9 and is connected, is convenient for carry out the aggregate erection.

Further, the flange connecting end 3, the assembly plug 6 and the sealing connecting block 10 are arranged to be hollow structures, the fuel gas conveying function is achieved, and the inner sealing rubber ring 8 is connected with the assembly plug 6 through a clamping groove.

Furthermore, the assembly plug 6 is connected with the V-shaped metal elastic sheet 7 in an assembly mode, the V-shaped metal elastic sheet 7 is of an elastic structure, and when the elastic sheet is pushed into the gas pipe orifice, resilience force generated by the elastic sheet can be extruded on the inner side of the pipe orifice, so that fixing is completed.

The working principle is as follows: when in use, the sealing connecting block 10 at one end of the flange connecting end 3 is plugged into the tube cavity of the composite gas hose 1 and the connection position is fixed, thereby the composite gas hose 1 and the metal joint component 2 are combined and connected, the other end of the flange connecting end 3 is provided with the assembling plug 6, simultaneously two groups of V-shaped metal elastic sheets 7 are arranged at two sides of the surface of the assembling plug 6, when in installation, the assembling plug 6 only needs to be inserted into the inner part of the gas tube opening, because the V-shaped metal elastic sheets 7 at two sides can be extruded when the plug enters the tube opening, and when the elastic sheets have certain elastic potential energy, after being extruded, the elastic sheets can generate opposite resilience force, after the plug completely enters the tube opening, the resilience force can expand the elastic sheets outwards, a mutual extrusion phenomenon is formed between the elastic sheets and the inner wall of the tube opening, thus the plug can be directly fixed in the tube opening without being influenced by external force, after the joint is connected with the pipe orifice, the end face of the gas pipe orifice is wrapped inside by the pipe body covering part 4, a sealing rubber ring is arranged inside the covering part and outside the plug, the rubber ring at the plug is mainly responsible for gas tightness inside the pipe orifice, and the rubber ring at the inner side of the covering part provides a sealing measure from the outside of the pipe orifice.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an it cuts straightly formula gas hose, includes compound gas hose (1), its characterized in that: the composite gas hose is characterized in that an outer metal woven layer (12) is arranged on the outer surface of the composite gas hose (1), an outer soft rubber protective pipe (13) is arranged on the inner side of the outer metal woven layer (12), an inner liner hose (14) is arranged on the inner side of the outer soft rubber protective pipe (13), a gas pipe cavity (11) is arranged inside the inner liner hose (14), a metal joint component (2) is arranged at one end of the composite gas hose (1), the metal joint component (2) comprises a flange connecting end (3), a sealing connecting block (10) is arranged at one end of the flange connecting end (3), a pipe body covering piece (4) is arranged at the other end of the flange connecting end (3), an inner surrounding groove (5) is arranged inside the pipe body covering piece (4), an outer sealing rubber ring (9) is arranged inside the inner surrounding groove (5), and an assembling plug (6) is arranged inside the pipe body covering piece, an inner sealing rubber ring (8) is arranged at one end of the assembly plug (6), and V-shaped metal elastic sheets (7) are arranged on two sides of the outer surface of the assembly plug (6).

2. An in-line gas hose according to claim 1, wherein: the outer metal braided layer (12) is connected with the outer soft rubber protection tube (13) in a combined mode, and the outer metal braided layer (12) is connected with the outer soft rubber protection tube (13) through sealing glue.

3. An in-line gas hose according to claim 1, wherein: the composite gas hose (1) is connected with the metal joint assembly (2) in a combined mode, the flange connecting end (3) is fixedly connected with the assembly plug (6) and the sealing connecting block (10), and the diameter of the sealing connecting block (10) is the same as that of the gas pipe cavity (11).

4. An in-line gas hose according to claim 1, wherein: the pipe body cover is characterized in that the flange connecting end (3) is connected with the pipe body cover (4) in a welding mode, and the pipe body cover (4) is connected with the outer sealing rubber ring (9) through a clamping groove.

5. An in-line gas hose according to claim 1, wherein: the flange connecting end (3), the assembly plug (6) and the sealing connecting block (10) are arranged to be of a hollow structure, and the inner sealing rubber ring (8) is connected with the assembly plug (6) through a clamping groove.

6. An in-line gas hose according to claim 1, wherein: the assembly plug (6) is connected with the V-shaped metal elastic sheet (7) in an assembly mode, and the V-shaped metal elastic sheet (7) is of an elastic structure.