CN219623481U

CN219623481U - Connecting piece for fuel gas stainless steel corrugated hose

Info

Publication number: CN219623481U
Application number: CN202321126358.XU
Authority: CN
Inventors: 樊梁
Original assignee: Ningbo Fenghua Zhengming Pipe Industry Co ltd
Current assignee: Ningbo Fenghua Zhengming Pipe Industry Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-01
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a connecting piece for a gas stainless steel corrugated hose, which relates to the technical field of gas conveying pipe fittings and comprises a compression base, a positioning ring, a copper plastic clamping ring, an annular sealing gasket and an external wire end, wherein the compression base is sleeved on the outer side of the stainless steel corrugated hose, the positioning ring is sleeved on the outer side of the compression base, the copper plastic clamping ring is arranged at a port of the compression base, the compression base and the external wire end are correspondingly arranged, the annular sealing gasket is arranged between the compression base and the external wire end, and a clamping ring block on the copper plastic clamping ring is compressed in the screwing process of the external wire end so as to strengthen the connection firmness between the copper plastic clamping ring and the stainless steel corrugated hose, and the six clamping ring blocks enable the copper plastic clamping ring to be stressed more uniformly, so that the stainless steel corrugated hose can be pulled during a drawing test or in actual use, and the tensile effect can be improved.

Description

Connecting piece for fuel gas stainless steel corrugated hose

Technical Field

The utility model relates to the technical field of gas conveying pipe fittings, in particular to a connecting piece for a gas stainless steel corrugated hose.

Background

The consumption of air by various users in cities is uneven and varies with the month, day and time. Usually, more gas is used in winter than in summer, more gas is used in holidays than in weekdays, and more gas is used in three meals of morning, noon and evening. The production gas fluctuates due to the influence of the production process requirements, the working schedule, and the like. The air consumption for heating a building is related to seasons and is affected by the change of air temperature during heating. And superposing the hour air consumption of various users to obtain the maximum hour air consumption of the whole city. Various facilities of the urban fuel gas transmission and distribution system can meet the maximum hour gas consumption of various users and adapt to the fluctuation condition of the urban fuel gas transmission and distribution system.

However, most copper plastic collar structures in the prior art are simpler, meanwhile, the number of the clamping ring blocks arranged on the copper plastic collar is smaller, so that stress between a plurality of clamping ring blocks and the stainless steel corrugated pipe is uneven, a rubber sealing gasket is adopted between the stainless steel corrugated pipe and an external thread end to ensure sealing effect, but the sealing gasket only seals the end face of the corrugated pipe, the sealing effect on the periphery of the corrugated pipe is poor, the corrugated pipe is drawn in the actual use process, the sealing gasket displaces to influence the sealing effect, gas leakage occurs, and unsafe factors occur.

Disclosure of Invention

The utility model aims to provide a connecting piece for a fuel gas stainless steel corrugated hose, which aims to effectively solve the problems that most of copper plastic clamping ring structures in the prior art are simpler, meanwhile, the number of clamping ring blocks arranged on the copper plastic clamping ring is smaller, so that stress between a plurality of clamping ring blocks and the stainless steel corrugated hose is uneven, a rubber sealing gasket is adopted between the stainless steel corrugated hose and an external wire end to ensure a sealing effect, but the sealing gasket only seals the end face of the corrugated hose, the sealing effect on the periphery of the corrugated hose is poor and the like.

In order to solve the problems, the utility model adopts the following technical scheme:

the connecting piece for the gas stainless steel corrugated hose comprises a compression base, a positioning ring, a copper plastic clamping ring, an annular sealing gasket and an external wire end head, wherein the compression base is sleeved on the outer side of the stainless steel corrugated hose, the positioning ring is sleeved on the outer side of the compression base, and the copper plastic clamping ring is arranged at a port of the compression base;

the base and the external wire end are correspondingly pressed, the annular sealing gasket is arranged between the base and the external wire end, the clamping ring blocks on the copper plastic clamping ring are compressed in the screwing process of the external wire end, so that the firmness of connection between the copper plastic clamping ring and the stainless steel corrugated hose is reinforced, the six clamping ring blocks enable the copper plastic clamping ring to be stressed more uniformly, and the stainless steel corrugated hose is pulled during a pull test or in actual use, so that the tensile effect can be improved.

As a preferable scheme of the utility model, the copper plastic collar comprises a conical base, six collar blocks are arranged above the conical base at equal intervals along the circumference, and the six collar blocks are integrally formed with the conical base.

As a preferable scheme of the utility model, the inner wall of the port of the pressing base is provided with a conical groove, and the conical base is propped against the conical groove.

As a preferable scheme of the utility model, the outer wall of the compression base is provided with external threads, the inner wall of the outer wire end is provided with internal threads, and the compression base is in threaded connection with the outer wire end.

As a preferable scheme of the utility model, the annular sealing gasket is arranged at the port of the stainless steel corrugated hose, and a clamping groove is formed at the port of one side of the annular sealing gasket.

As a preferable mode of the utility model, a leakage detection hole is formed in one side of the pressing base, and the leakage detection hole is communicated with the inside of the pressing base.

Compared with the prior art, the utility model has the advantages that:

(1) In order to improve the convenience of stainless steel corrugated hose connection for gas transportation, compress tightly the outside that the base cover was located stainless steel corrugated hose, locate the external screw thread department that compresses tightly the base with the holding ring cover again, copper is moulded the rand and is arranged in the port department that compresses tightly the base, promotes the stability of copper through the cooperation of conical groove and conical base and mould the rand, and annular sealing pad sets up in the port department of stainless steel corrugated hose afterwards, compresses tightly base and external screw thread end threaded connection and fixes annular sealing pad at last.

(2) In the process of screwing the outer wire end, the clamping ring blocks on the copper plastic clamping ring are compressed to strengthen the connection firmness between the copper plastic clamping ring and the stainless steel corrugated hose, and the six clamping ring blocks enable the copper plastic clamping ring to be stressed more uniformly, so that the stainless steel corrugated hose is pulled in a pulling test or in actual use, and the tensile effect can be improved.

(3) The stainless steel corrugated hose passes through the compression base and the copper plastic collar to expose one section, the annular sealing gasket is clamped with the exposed section of the stainless steel corrugated hose through the clamping groove, the annular sealing is formed on the stainless steel corrugated hose while the connection strength is ensured, and the sealing gasket has an end face sealing effect compared with the traditional sealing gasket.

Drawings

FIG. 1 is an exploded view of the overall structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the overall structure of the present utility model;

FIG. 3 is a perspective view of a generic collar structure of the present utility model;

fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

The reference numerals in the figures illustrate:

1. compressing the base; 101. a conical groove; 102. a leak detection hole; 2. a positioning ring; 3. copper plastic collar; 301. a conical base; 302. a clamping ring block; 4. an annular gasket; 401. a clamping groove; 5. an outer thread end.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

referring to fig. 1 and 2 specifically, a connecting piece for a gas stainless steel corrugated hose includes a compressing base 1, a positioning ring 2, a copper plastic collar 3, an annular sealing gasket 4 and an external thread end 5, wherein the compressing base 1 is sleeved on the outer side of the stainless steel corrugated hose, the positioning ring 2 is sleeved on the outer side of the compressing base 1, the copper plastic collar 3 is arranged at a port of the compressing base 1, the compressing base 1 is correspondingly arranged with the external thread end 5, an external thread is arranged on the outer wall of the compressing base 1, an internal thread is arranged on the inner wall of the external thread end 5, the compressing base 1 is in threaded connection with the external thread end 5, and the annular sealing gasket 4 is arranged between the compressing base 1 and the external thread end 5.

Referring to fig. 2, 3 and 4, the copper plastic collar 3 includes a conical base 301, six collar blocks 302 are disposed above the conical base 301 at equal intervals along the circumference, the six collar blocks 302 are integrally formed with the conical base 301, a conical groove 101 is formed in the inner wall of a port of the compression base 1, and the conical base 301 abuts against the conical groove 101.

In a further embodiment, in order to improve the convenience of connection of the stainless steel corrugated hose for gas transportation, the compression base 1 is sleeved on the outer side of the stainless steel corrugated hose, the positioning ring 2 is sleeved on the external thread of the compression base 1, the copper plastic clamping ring 3 is arranged at the port of the compression base 1, the stability of the copper plastic clamping ring 3 is improved through the cooperation of the conical groove 101 and the conical base 301, then the annular sealing gasket 4 is arranged at the port of the stainless steel corrugated hose, and finally the compression base 1 is in threaded connection with the external thread end 5 to fix the annular sealing gasket 4;

in addition, the in-process that outer silk end 5 was twisted compresses the snap ring piece 302 on the rand 3 is moulded to the copper to consolidate the fastness of being connected between rand 3 and the stainless steel corrugated hose is moulded to copper, and six snap ring pieces 302 make rand 3 atress more even, and stainless steel corrugated hose receives to draw when drawing test or in-service use, homoenergetic promotes tensile effect.

Referring to fig. 1 and 2 specifically, the annular gasket 4 is disposed at a port of a stainless steel corrugated hose, and a clamping groove 401 is formed at a port of one side of the annular gasket 4.

In a further embodiment, the stainless steel corrugated hose passes through the compression base 1 and the copper plastic collar 3 to expose a section, the annular sealing gasket 4 is clamped with the exposed section of the stainless steel corrugated hose through the clamping groove 401, the annular sealing is formed on the stainless steel corrugated hose while the connection strength is ensured, the sealing contact surface of the annular sealing gasket 4 is increased to an annular surface from the end surface compared with the prior plane sealing gasket, and the sealing performance is further increased.

Referring to fig. 1 specifically, a leakage detection hole 102 is formed on one side of the compression base 1, and the leakage detection hole 102 is communicated with the inside of the compression base 1.

In a further embodiment, the connector can be leak-proof detected before being put into use through the leak detection hole 102, so that the product quality is ensured.

Working principle:

according to the utility model, before the connector is put into use, the connector can be subjected to leakage prevention detection through the leakage detection hole 102, the product quality is ensured, in actual use, the compression base 1 is sleeved on the outer side of the stainless steel corrugated hose, the positioning ring 2 is sleeved on the external thread of the compression base 1, the copper plastic retainer ring 3 is arranged at the port of the compression base 1, the stability of the copper plastic retainer ring 3 is improved through the cooperation of the conical groove 101 and the conical base 301, then the annular sealing gasket 4 is arranged at the port of the stainless steel corrugated hose, and finally the compression base 1 is in threaded connection with the external thread end 5 to fix the annular sealing gasket 4.

It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and not limiting of the embodiments of the present utility model, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the utility model are defined by the following claims.

Claims

1. The utility model provides a connecting piece for gas stainless steel ripple hose, includes compresses tightly base (1), holding ring (2), copper plastic collar (3), annular sealing pad (4) and outer silk end (5), its characterized in that: the compression base (1) is sleeved on the outer side of the stainless steel corrugated hose, the positioning ring (2) is sleeved on the outer side of the compression base (1), and the copper plastic clamping ring (3) is arranged at a port of the compression base (1);

the pressing base (1) and the external thread end (5) are correspondingly arranged, and the annular sealing gasket (4) is arranged between the pressing base (1) and the external thread end (5).

2. The connector for a fuel gas stainless steel corrugated hose according to claim 1, wherein: the copper plastic collar (3) comprises a conical base (301), six clamping ring blocks (302) are arranged above the conical base (301) at equal intervals along the circumference, and the six clamping ring blocks (302) are integrally formed with the conical base (301).

3. The connector for a fuel gas stainless steel corrugated hose according to claim 2, wherein: the inner wall of the port of the pressing base (1) is provided with a conical groove (101), and the conical base (301) is propped against the conical groove (101).

4. The connector for a fuel gas stainless steel corrugated hose according to claim 1, wherein: external threads are formed in the outer wall of the compression base (1), internal threads are formed in the inner wall of the external thread end head (5), and the compression base (1) is in threaded connection with the external thread end head (5).

5. The connector for a fuel gas stainless steel corrugated hose according to claim 1, wherein: the annular sealing gasket (4) is arranged at the port of the stainless steel corrugated hose, and a clamping groove (401) is formed in the port of one side of the annular sealing gasket (4).

6. The connector for a fuel gas stainless steel corrugated hose according to claim 4, wherein: a leakage detection hole (102) is formed in one side of the compression base (1), and the leakage detection hole (102) is communicated with the inside of the compression base (1).