CN216112692U

CN216112692U - Welded pipe connector

Info

Publication number: CN216112692U
Application number: CN202122785615.8U
Authority: CN
Inventors: 胡茵; 许英国; 齐中文
Original assignee: Shenyang Jushi Technology Co ltd
Current assignee: Shenyang Jushi Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-03-22
Anticipated expiration: 2031-11-15

Abstract

The embodiment of the utility model discloses a welded pipe connector, which belongs to the technical field of connectors and comprises a stainless steel pipe, an air path connector, a groove, a first sealing ring, a module body and a stepped hole, wherein the stepped hole is formed in the module body, the first end of the air path connector is connected with the stainless steel pipe, the second end of the air path connector is inserted into the stepped hole of the module body, the first end of the air path connector is in butt welding connection with the stainless steel pipe, the side surface of the second end of the air path connector is provided with the groove, and the first sealing ring is arranged in the groove. This application is connected nonrust steel pipe and gas circuit joint butt welding, has saved the cutting ferrule joint. The first end of the gas circuit connector is connected with the stainless steel pipe, and the second end of the gas circuit connector is inserted into the stepped hole of the module body, so that the operation is simple and convenient. The problems of complex installation process, low efficiency and the like when the clamping sleeve joint is adopted are avoided. The side is equipped with the slot on the gas circuit connects the second end, and slot and first sealing washer cooperation to and realize sealedly in inserting the downthehole of the module body, avoid the gas in the connector to spill.

Description

Welded pipe connector

Technical Field

The embodiment of the utility model relates to the technical field of connectors, in particular to a welded pipe connector.

Background

In daily life and industrial production, various fields and industries often involve the connection of two pipelines, the connection of the pipelines and a pump body, the pipelines can be the connection of a water path, an air path or an oil path, and the like, and a pipe fitting joint is a connecting fitting widely applied to the pipelines and the connection between the pipelines and the pump body.

The common stainless steel pipe connection generally adopts a ferrule connection, and two independent transmission media are connected through jointing. The cutting sleeve type pipe joint consists of a joint body, a cutting sleeve and a nut. After the clamping sleeve and the nut are sleeved on the steel pipe and inserted into the joint body, when the nut is screwed, the outer side of the front end of the clamping sleeve is attached to the conical surface of the joint body, and the inner cutter uniformly bites into the seamless steel pipe to form effective sealing. The cutting ferrule connection needs manual operation, is low in efficiency, and can be realized only by giving a certain space for the wrench. And the cutting ferrule connection makes pipeline and pump body installation and dismantlement inefficiency, and there is not operating space at special position spanner.

Therefore, how to provide a novel connector to facilitate the installation and disassembly thereof is a technical problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a welded pipe connector to solve the problems of complex operation and low efficiency caused by the fact that pipelines are connected through clamping sleeves in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

the utility model provides a welding union coupling head, includes nonrust steel pipe, gas circuit joint, slot, first sealing washer, the module body and shoulder hole, the shoulder hole has been seted up in the module body, the first end and the nonrust steel pipe that the gas circuit connects are connected, the second end that the gas circuit connects inserts in the shoulder hole of the module body, the first end and the nonrust steel pipe butt welding of gas circuit joint are connected, the side is equipped with the slot on the second end that the gas circuit connects, the ditch inslot is equipped with first sealing washer.

Further, still include the auto-lock structure, the auto-lock structure includes that the first chamber, the second that holds hold the chamber, supports pin and spring, the first chamber that holds has been seted up on the module body, it holds the chamber to have seted up the second on the gas circuit joint, it locates to support the pin slides the second holds the intracavity, it is equipped with the spring to support the last cover of pin, spring one end holds intracavity wall fixed connection with the second, the spring other end and support pin fixed connection.

Further, the lower end of the blocking rod is circular or arc-shaped.

Further, the dustproof cover is arranged on the left side face of the module body and is of a telescopic elastic structure, the dustproof cover is gathered towards the center, and the air path joint penetrates through the dustproof cover to enter the module body.

Furthermore, a plurality of rings of second sealing rings are arranged in the stepped hole of the module body, and the second sealing rings are attached to the side wall of the stepped hole.

Further, the first sealing ring is O-shaped.

Furthermore, an annular slope is arranged on the stepped hole, and a rubber layer is arranged on the annular slope.

The embodiment of the utility model has the following advantages:

this application is connected nonrust steel pipe and gas circuit joint butt welding, has saved the cutting ferrule joint. The first end of the gas circuit connector is connected with the stainless steel pipe, and the second end of the gas circuit connector is inserted into the stepped hole of the module body, so that the operation is simple and convenient. The problems of complex installation process, low efficiency and the like when the clamping sleeve joint is adopted are avoided. The side surface of the second end of the gas circuit joint is provided with a groove, the groove is matched with the first sealing ring and is inserted into the hole of the die block body to realize sealing, and gas in the joint is prevented from leaking; the application still utilizes self-locking structure, and when having gas or rivers to flow in the gas circuit joint, the lower extreme of fender pole is upwards inserted the first intracavity that holds by the influence of pressure, makes gas circuit joint and module body establish the relation of connection, makes the connector auto-lock fixed. When the blocking rod is not affected by pressure, the blocking rod automatically resets due to the reset of the spring, the self-locking relation is released, and the disassembly is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a cross-sectional view of the present invention prior to use

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

FIG. 3 is a cross-sectional view of the present invention in use;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

in the figure:

1, stainless steel pipes; 2, a gas circuit joint; 3, a groove; 4, a first sealing ring; 5 a module body; 6, a stepped hole; 7, a self-locking structure; 701, a first accommodating cavity; 702 a second receiving cavity; 703 a stop lever; 704 a spring; 8, a dust cover; 9 a second seal ring; 10, an annular slope; 11 rubber layer.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to solve the related technical problem that exists among the prior art, this application embodiment provides a welding union coupling head, aims at solving current complex operation, inefficiency scheduling problem, installation and dismantlement convenient effect when realizing the connecting tube. As shown in fig. 1-4, the gas circuit breaker specifically comprises a stainless steel pipe 1, a gas circuit connector 2, a groove 3, a first sealing ring 4, a module body 5 and a stepped hole 6, wherein the stepped hole 6 is formed in the module body 5, a first end of the gas circuit connector 2 is connected with the stainless steel pipe 1, a second end of the gas circuit connector 2 is inserted into the stepped hole 6 of the module body 5, the first end of the gas circuit connector 2 is in butt welding connection with the stainless steel pipe 1, the groove 3 is formed in the side surface of the second end of the gas circuit connector 2, and the first sealing ring 4 is arranged in the groove 3.

The stainless steel pipe 1 and the gas circuit joint 2 are connected in a butt welding mode, and the clamping sleeve joint is saved. The first end of the gas circuit connector 2 is connected with the stainless steel pipe 1 in a butt welding mode, and the second end of the gas circuit connector is inserted into the stepped hole 6 of the module body 5, so that the operation is simple and convenient. The problems of complex installation process, low efficiency and the like when the clamping sleeve joint is adopted are avoided. The pipeline can be quickly connected with the pump body through the matching of the stainless steel pipe 1, the gas circuit connector 2 and the module body 5. The operation time is saved, and the operation efficiency is improved. The side is equipped with slot 3 on the gas circuit connects 2 second ends, and slot 3 and the cooperation of first sealing washer 4 to and the downthehole realization of inserting the module body 5 are sealed, avoid the interior gas or the liquid of connector to spill.

The first sealing ring 4 is O-shaped, and the O-shaped sealing ring provides enough sealing pretightening force, so that the gas circuit connector 2 and the module body 5 are tightly combined, and the situations of gas leakage and liquid leakage are avoided.

Still include self-locking structure 7, self-locking structure 7 includes that the first chamber 701 that holds, the second holds chamber 702, keeps off pole 703 and spring 704, has seted up the first chamber 701 that holds on the module body 5, has seted up the second on the gas circuit joint 2 and has held chamber 702, keeps off pole 703 and slides and locate in the second holds chamber 702, keeps off the cover and is equipped with spring 704 on the pole 703, and spring 704 one end holds chamber 702 inner wall fixed connection with the second, and the spring 704 other end and keep off pole 703 fixed connection. Since the lower end of the spring 704 is fixedly connected to the blocking rod 703, when the blocking rod 703 is pressed to move upward, the spring 704 also moves upward along with the blocking rod 703. The upper end of the spring 704 is fixed in the second receiving chamber 702 so that the spring 704 has a resilient force when the spring 704 moves upward. When the lower end of the rod 703 is not pressurized by gas or liquid, the resilience of the spring 704 restores the rod 703. The lower end of the resisting rod 703 is circular or arc-shaped. The stop rod 703 has a certain strength and can bear the pressure of the pump body.

When gas or water flows in the gas circuit connector 2, the lower end of the blocking rod 703 in the gas circuit connector 2 is influenced by pressure to be inserted upwards into the first accommodating cavity 701 of the module body 5, so that the gas circuit connector 2 and the module body 5 are connected, and the connector is self-locked and fixed. The air path joint 2 is prevented from being separated when the pressure is overlarge, and the automatic locking of the air pipe joint and the module body 5 is realized; when no gas or water flow flows in the gas circuit connector 2, the blocking rod 703 is not affected by pressure, and the blocking rod 703 automatically resets due to the resetting of the spring 704, so that the blocking rod 703 falls back into the second accommodating cavity 702, the self-locking relationship between the module body 5 and the gas circuit connector 2 is released, and the disassembly is convenient.

According to the utility model, the stainless steel pipe 1 and the gas circuit joint 2 are butt-welded, so that the clamping sleeve joint is saved. The first end of the gas circuit connector 2 is connected with the stainless steel pipe 1, and the second end of the gas circuit connector is inserted into the stepped hole 6 of the module body 5, so that the operation is simple and convenient. The problems of complex installation process, low efficiency and the like when the clamping sleeve joint is adopted are avoided. The side surface of the second end of the gas circuit connector 2 is provided with a groove 3, the groove 3 is matched with a first sealing ring 4 and is inserted into a hole of a die block body 5 to realize sealing, and gas in the connector is prevented from leaking; the utility model also utilizes the self-locking structure 7, when gas or water flow flows in the gas circuit joint 2, the lower end of the resisting rod 703 is upwards inserted into the first accommodating cavity 701 under the influence of pressure, so that the gas circuit joint 2 and the module body 5 are connected, and the connector is self-locked and fixed. When the blocking rod 703 is not affected by pressure, the blocking rod 703 automatically resets due to the reset of the spring 704, so that the self-locking relationship is released, and the disassembly is convenient.

Still include dust cover 8, module body 5 left surface is equipped with dust cover 8, and dust cover 8 is flexible elastic construction, and dust cover 8 gathers together to the center, and gas circuit connects 2 and passes dust cover 8 and get into in the module body 5. When the gas circuit joint 2 is not butted with the module body 5, the dust cover 8 is closed, and the closed dust cover 8 protects the stepped hole 6 in the module body 5, so that the stepped hole 6 in the module body 5 is not polluted by the outside, and dust is prevented from entering the module body 5; when the gas circuit connector 2 and the module body 5 need to be butted, the gas circuit connector 2 penetrates through the center of the dust cover 8 and enters the stepped hole 6 in the module body 5. At this time, dust cover 8 is provided between module body 5 and air passage joint 2 to prevent outside dust from contaminating module body 5.

A plurality of circles of second sealing rings 9 are arranged in the stepped hole 6 of the module body 5, and the second sealing rings 9 are attached to the side wall of the stepped hole 6. The second sealing ring 9 enables the air path joint 2 and the module body 5 to be connected more tightly, and prevents the air path joint 2 from being separated when the pressure is too high.

An annular slope 10 is arranged on the stepped hole 6, and a rubber layer 11 is arranged on the annular slope 10. The rubber layer 11 is arranged to seal the connecting head, reduce collision damage, protect the structure of the module body 5 and prolong the service life of the module body 5.

The application process of the embodiment of the utility model is as follows:

and the first end of the gas circuit connector 2 is connected with the stainless steel pipe 1 in a butt welding mode, and the second end of the gas circuit connector 2 penetrates through the center of the dust cover 8 and is inserted into the stepped hole 6 of the module body 5. The two ends of the joint are respectively connected with the pipeline and the pump body. When gas or water flows in the gas circuit connector 2, the lower end of the blocking rod 703 in the gas circuit connector 2 is influenced by pressure to be inserted upwards into the first accommodating cavity 701 of the module body 5, so that the gas circuit connector 2 and the module body 5 are connected, and the connector is self-locked and fixed. The air path joint 2 is prevented from being separated when the pressure is overlarge, and the automatic locking of the air pipe joint and the module body 5 is realized; when no gas or water flow flows in the gas circuit connector 2, the blocking rod 703 is not affected by pressure, and the blocking rod 703 automatically resets due to the resetting of the spring 704, so that the blocking rod 703 falls back into the second accommodating cavity 702, the self-locking relationship between the module body 5 and the gas circuit connector 2 is released, and the disassembly is convenient.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims

1. The utility model provides a welding union coupling head, its characterized in that, includes nonrust steel pipe, gas circuit joint, slot, first sealing washer, module body and shoulder hole, the shoulder hole has been seted up in the module body, the first end and the nonrust steel pipe of gas circuit joint are connected, the second end that the gas circuit connects inserts in the shoulder hole of the module body, the first end and the nonrust steel pipe butt welding of gas circuit joint are connected, the side is equipped with the slot on the second end that the gas circuit connects, the ditch inslot is equipped with first sealing washer.

2. The welded pipe joint of claim 1, further comprising a self-locking structure, wherein the self-locking structure comprises a first accommodating cavity, a second accommodating cavity, a stop rod and a spring, the module body is provided with the first accommodating cavity, the gas path joint is provided with the second accommodating cavity, the stop rod is slidably disposed in the second accommodating cavity, the stop rod is sleeved with the spring, one end of the spring is fixedly connected with the inner wall of the second accommodating cavity, and the other end of the spring is fixedly connected with the stop rod.

3. A welded pipe joint according to claim 2, wherein the lower end of the abutment bar is rounded or curved.

4. A welded pipe joint according to claim 3, further comprising a dust cover, wherein the module body is provided at the left side with a dust cover, the dust cover is of a telescopic elastic structure, and the dust cover is gathered toward the center, and the gas path joint passes through the dust cover and enters the module body.

5. A welded pipe joint according to claim 4, wherein the stepped bore of the module body has a plurality of rings of a second sealing ring disposed therein, the second sealing ring being disposed against a side wall of the stepped bore.

6. A welded pipe joint according to claim 5, wherein the first sealing ring is O-shaped.

7. A welded pipe joint according to claim 6, wherein the stepped bore is provided with an annular ramp, said annular ramp being provided with a rubber layer.