CN115013617B

CN115013617B - Get gas connector

Info

Publication number: CN115013617B
Application number: CN202210597734.7A
Authority: CN
Inventors: 吴涛; 钟国超; 饶嘉昌; 林淑凡; 林绮思; 陈丽媛; 钟振鑫; 朱锐锋; 董玉玺; 曾家昌; 李韬; 李育慧; 张宇峰
Original assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2023-09-15
Anticipated expiration: 2042-05-30
Also published as: CN115013617A

Abstract

The invention relates to the technical field of electrical equipment, and discloses an air taking connector. The gas-taking connector comprises a connector body, a pressing piece, a pressure detection piece and a connecting piece, wherein a containing cavity is formed in the connector body, the bottom end of the connector body is connected with a gas-taking interface of the inflatable power equipment, and the containing cavity is communicated with the gas-taking interface. The top casting die sets up in holding the intracavity and can follow the axis direction of joint body and hold the intracavity and remove, the top of top casting die and hold the chamber wall in chamber and seal and link to each other, the top casting die removes the thimble that can push up the gas interface to the direction of getting the gas interface, is provided with gas passage in the top casting die, gas passage intercommunication gas interface and hold the chamber. The pressure detection piece is connected to the connector body and communicated with the accommodating cavity. The connecting piece is communicated with the accommodating cavity and is used for outputting gas in the accommodating cavity. After the gas is taken by the gas taking connector, gas leakage can not occur even if the ejector pin of the gas taking connector cannot rebound normally.

Description

Get gas connector

Technical Field

The invention relates to the technical field of electrical equipment, in particular to an air taking connector.

Background

With the development of electrical technology, many inflatable power devices are developed, and sulfur hexafluoride gas is often filled in the inflatable power devices. In the operation process of the inflatable power equipment, the timing sampling is needed, and the content of the decomposed components or micro water of the sulfur hexafluoride gas is detected so as to judge the working state of the equipment. The gas-taking connector is used as a device for connecting the gas-taking port of the inflatable power equipment with the gas detection and storage equipment, the performance of tightness, operation convenience, coordination with the gas-taking port of the equipment and the like are very important, and the safety of the power equipment and the personal safety of operators in the gas sampling process are concerned.

The gas taking connector is connected with a gas taking interface of the inflatable power equipment for gas taking, most of gas taking interfaces are top pressure type valves at present, and a large amount of gas leakage possibly occurs due to the fact that a thimble cannot rebound after gas taking.

Therefore, there is a need for an air intake connector to solve the above problems in the prior art.

Disclosure of Invention

The invention aims to provide an air taking connector which solves the problem that air leakage is caused by incapability of rebounding a thimble after air taking of the existing inflatable power equipment.

To achieve the purpose, the invention adopts the following technical scheme:

an air taking connector, comprising:

the connector comprises a connector body, wherein a containing cavity is arranged in the connector body, the bottom end of the connector body is connected with an air taking interface of inflatable power equipment, and the containing cavity is communicated with the air taking interface;

the jacking piece is arranged in the accommodating cavity and can move in the accommodating cavity along the axial direction of the joint body, the top end of the jacking piece is connected with the cavity wall of the accommodating cavity in a sealing way, the jacking piece moves towards the air taking interface and can jack the thimble of the air taking interface so as to enable the inflatable power equipment to release air, and a gas channel is arranged in the jacking piece and is communicated with the air taking interface and the accommodating cavity;

the pressure detection piece is connected to the joint body and communicated with the accommodating cavity so as to detect the air pressure in the accommodating cavity;

and the connecting piece is communicated with the accommodating cavity and is used for outputting the gas in the accommodating cavity.

Alternatively, the gas channel includes:

a first passage extending from a bottom end of the pressing piece to the other end in an axial direction of the pressing piece; and

And the second channel is communicated with the first channel and extends to the outer peripheral surface of the pressing piece.

As an alternative, be provided with sealed boss on holding the chamber wall in chamber, pressure detection spare with the connecting piece is located sealed boss with connect between the body bottom, the top casting die removes to hold the chamber top time, sealed boss shutoff the both ends of second passageway.

Alternatively, a first sealing ring is clamped between the sealing boss and the pressing piece.

As an alternative scheme, the sealing boss is provided with a first limit groove on one side opposite to the pressing piece, and the first sealing ring is clamped in the first limit groove.

Alternatively, a second sealing ring is clamped between the top end of the pressing piece and the cavity wall of the accommodating cavity.

As an alternative scheme, the top of roof casting die is provided with the second spacing groove, the second sealing washer card is located in the second spacing groove.

Alternatively, the joint body includes:

the cylinder body is internally provided with the accommodating cavity, and the bottom end of the cylinder body is connected with the air taking interface of the inflatable power equipment; and

And the cover body is covered at the top end of the cylinder body.

As an alternative, the gas-taking connector further includes:

and the connecting rod assembly penetrates through the cover body and is connected with the pressing piece, and the connecting rod assembly is configured to drive the pressing piece to move in the accommodating cavity.

Alternatively, the connecting rod assembly includes:

the connecting rod penetrates through the cover body, the bottom end of the connecting rod is connected with the pressing piece, and the top end of the connecting rod extends out of the cover body;

and the handle assembly can drive the connecting rod to move relative to the cover body.

Alternatively, the handle assembly includes:

the bottom end of the fixed plate is connected with the cover body;

one end of the first connecting plate is pivoted with the top end of the fixed plate;

one end of the second connecting plate is pivoted with the other end of the first connecting plate, and the other end of the second connecting plate is pivoted with the top end of the connecting rod;

the first connecting plate rotates around the fixed plate and can drive the connecting rod to move relative to the cover body.

Alternatively, the handle assembly further comprises:

the handle is connected with the first connecting plate, and the handle can be rotated to drive the first connecting plate to rotate around the fixed plate.

The invention has the beneficial effects that:

when the gas taking connector provided by the invention needs to take gas from the inflatable power equipment, the connector body is connected to the gas taking connector, the propping piece moves towards the bottom end of the connector body, so that the propping piece is propped against the thimble in the gas taking connector, the inflatable power equipment releases gas, and the released gas enters the accommodating cavity through the gas channel in the propping piece and is further conveyed to the gas detection or storage equipment through the connecting piece. After the gas is taken out, the connecting rod assembly is operated, so that the ejector pin is separated from the ejector pin, the ejector pin rebounds under normal conditions, the inflatable power equipment stops releasing gas, and the gas detection part gradually reduces the gas pressure in the accommodating cavity. When the thimble breaks down and does not rebound, inflatable power equipment will release gas continuously, and gas gets into and holds the intracavity, and gaseous detection spare will detect the gas pressure who holds the intracavity and have the trend that rises this moment, reminds operating personnel not to get the dismantlement work of gas connector, because joint body, top casting die and get the gas interface and enclose into airtight space, can prevent effectively that gas from leaking.

Drawings

Fig. 1 is a schematic structural diagram of an air intake connector provided by the invention.

In the figure:

1. a joint body; 11. a cylinder; 111. sealing the boss; 112. a first seal ring; 113. a receiving chamber; 12. a cover body;

2. a pressing piece; 21. a gas channel; 211. a first channel; 212. a second channel; 22. a second seal ring;

3. a connecting rod assembly; 31. a connecting rod; 32. a handle assembly; 321. a fixing plate; 322. a first connection plate; 323. a second connecting plate; 324. a handle;

4. a pressure detecting member;

5. and a connecting piece.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Embodiment one:

as shown in fig. 1, the present embodiment provides an air taking connector for connecting with an air taking interface of an inflatable power device to take air. The gas taking connector comprises a connector body 1, wherein a containing cavity 113 is arranged in the connector body 1, the bottom end of the connector body 1 is connected with a gas taking interface of an inflatable power device, and the containing cavity 113 is communicated with the gas taking interface, so that gas released by the gas taking interface can enter the containing cavity 113. Specifically, the bottom of the connector body 1 is provided with an internal thread which is matched with an external thread on the gas taking interface so as to realize the sealing connection between the connector body 1 and the gas taking interface. In order to prevent gas from leaking from the threaded connection of the connector body 1 and the gas taking connector, a raw material belt can be wound on the external thread of the gas taking connector, so that the tightness of the threaded connection is further improved.

Specifically, the connector body 1 comprises a cylinder 11 and a cover body 12, the accommodating cavity 113 is formed in the cylinder 11, the bottom end of the cylinder 11 is connected with the air taking interface of the inflatable power equipment, the cover body 12 is covered on the top end of the cylinder 11, and the cover body 12 is opened to facilitate the installation of devices in the accommodating cavity 113. Specifically, the cover body 12 is screwed on the cylinder body 11 through threaded connection, the threaded connection tightness is good, and the disassembly and assembly are convenient.

Further, as shown in fig. 1, the air intake connector further includes a pressing member 2, where the pressing member 2 is disposed in the accommodating cavity 113 and can move in the accommodating cavity 113 along the axial direction of the connector body 1, the top end of the pressing member 2 is connected with the cavity wall of the accommodating cavity 113 in a sealing manner, and a second sealing ring 22 is sandwiched between the top end of the pressing member 2 and the cavity wall of the accommodating cavity 113 to improve the sealing effect. The second seal ring 22 is provided with two to further enhance the sealing effect. In order to make the installation of the second sealing ring 22 firmer, the top end of the propping piece 2 is provided with a second limiting groove, and the second sealing ring 22 is clamped in the second limiting groove. The ejector 2 moves towards the gas taking interface to eject the ejector pin of the gas taking interface so as to enable the inflatable power equipment to release gas, a gas channel 21 is arranged in the ejector 2, and the gas channel 21 is communicated with the gas taking interface and the accommodating cavity 113 so that the gas released from the gas taking interface enters the accommodating cavity 113 through the gas channel 21. The ejector 2 moves away from the ejector pin in a direction away from the gas-taking interface, so that the gas-taking interface stops releasing gas.

Further, with continued reference to fig. 1, the gas-taking connector further includes a connecting member 5 and a pressure detecting member 4, the connecting member 5 is in communication with the accommodating cavity 113, and the connecting member 5 is configured to output the gas in the accommodating cavity 113 to a gas detecting or storing device. The pressure detecting member 4 is connected to the cylinder 11 and communicates with the accommodating chamber 113 to detect the air pressure in the accommodating chamber 113. The pressure detecting member 4 and the connecting member 5 are connected to the cylinder 11 by screw connection. Specifically, the pressure detecting member 4 employs a pressure gauge.

When gas is required to be taken from the inflatable power equipment, the connector body 1 is connected to the gas taking interface, the propping piece 2 moves towards the bottom end of the connector body 1, so that the propping piece 2 is propped against the thimble in the gas taking interface, the inflatable power equipment releases gas, the released gas enters the accommodating cavity 113 through the gas channel 21 in the propping piece 2, and then the released gas is conveyed to the gas detection or storage equipment through the connecting piece 5. After the gas is taken out, the connecting rod assembly 3 is operated, so that the ejector 2 is separated from the ejector pin, the ejector pin rebounds under normal conditions, the inflatable power equipment stops releasing gas, and the gas detection part gradually reduces the gas pressure in the accommodating cavity 113. When the thimble breaks down and does not rebound, inflatable power equipment will release gas continuously, and gas gets into and holds in the chamber 113, and the gaseous detection spare will detect the gas pressure that holds in the chamber 113 and have the trend of rising this moment, reminds operating personnel not to get the dismantlement work of gas connector, because barrel 11, roof die 2 and get the gas interface and enclose into airtight space, can prevent effectively that gas from leaking.

Specifically, as shown in fig. 1, the gas passage 21 includes a first passage 211 and a second passage 212, the first passage 211 extends from the bottom end of the pressing member 2 to the other end in the axial direction of the pressing member 2, the second passage 212 communicates with the first passage 211 and extends onto the outer peripheral surface of the pressing member 2, and the outer peripheral surface of the pressing member 2 faces the accommodating chamber 113, so that the gas output from the gas intake port can enter the accommodating chamber 113 via the first passage 211 and the second passage 212.

Further, as shown in fig. 1, a sealing boss 111 is provided on the wall of the accommodating chamber 113, the pressure detecting member 4 and the connecting member 5 are located between the sealing boss 111 and the bottom end of the cylinder 11, and when the pressing member 2 moves to the top end of the accommodating chamber 113, the sealing boss 111 seals both ends of the second channel 212. By arranging the sealing boss 111, the gas in the accommodating cavity 113 can be limited in the space at the lower side of the sealing boss 111, which is beneficial to reducing the retention gas in the gas taking connector, thereby reducing the gas discharged into the air after the gas taking connector is disassembled, and in the embodiment, the gas is sulfur hexafluoride, so that the emission of the sulfur hexafluoride is reduced, and the pollution to the environment is reduced; on the other hand, the sealing boss 111 can form a guiding function for the movement of the pressing member 2, and prevent the pressing member 2 from deflecting during the movement to affect the smoothness of the movement.

Preferably, a first sealing ring 112 is sandwiched between the sealing boss 111 and the pressing member 2, the cross section of the first sealing ring 112 is circular, and slightly protrudes from the surface of the sealing boss 111, so that the first sealing ring 112 can seal the second channel 212. In order to firmly install the first sealing ring 112, a first limiting groove is formed on one side of the sealing boss 111 opposite to the pressing piece 2, and the first sealing ring 112 is clamped in the first limiting groove.

Preferably, as shown in fig. 1, the inner diameter of the bottom end of the accommodating cavity 113 is equal to the outer diameter of the bottom end of the pressing piece 2, so that the pressing piece 2 can penetrate through the bottom end of the accommodating cavity 113 to press against the ejector pin, gas released by the gas taking interface is discharged through the first channel 211, and the volume of the accommodating cavity 113 is reduced by setting the bottom end of the accommodating cavity 113 to be smaller, so that the gas retention in the gas taking connector is further reduced.

As shown in fig. 1, in order to drive the pressing member 2 to move, the air intake connector further includes a link assembly 3, where the link assembly 3 is connected to the pressing member 2 by penetrating the cover 12, and the link assembly 3 is configured to drive the pressing member 2 to move in the accommodating cavity 113.

Specifically, the link assembly 3 includes a link 31 and a handle assembly 32, the link 31 penetrates through the cover 12, specifically, a mounting hole is provided in the cover 12, the link 31 penetrates through the mounting hole, the bottom end of the link 31 is connected with the pressing member 2, the other end cover 12 is external, and the handle assembly 32 can drive the link 31 to move up and down relative to the cover 12, so that the pressing member 2 is driven to move up and down in the accommodating cavity 113. Preferably, the connecting rod 31 is detachably connected with the pressing piece 2, and preferably, threaded connection is adopted.

Specifically, the handle assembly 32 includes a fixing plate 321, a first connecting plate 322 and a second connecting plate 323, wherein the bottom end of the fixing plate 321 is connected to the cover 12, the top end of the fixing plate 321 is higher than the connecting rod 31, one end of the first connecting plate 322 is pivoted to the top end of the fixing plate 321, the other end of the first connecting plate 322 is pivoted to one end of the second connecting plate 323, the other end of the second connecting plate 323 is pivoted to the top end of the connecting rod 31, and the first connecting plate 322 rotates around the fixing plate 321 to drive the connecting rod 31 to move relative to the cover 12.

To facilitate rotating the first connecting plate 322, the handle assembly 32 further includes a handle 324, the handle 324 is connected to the first connecting plate 322, and rotating the handle 324 can drive the first connecting plate 322 to rotate around the fixing plate 321. As shown in fig. 1, pressing the handle 324 downward, the first connecting plate 322 rotates clockwise around the fixed plate 321, and then drives the second connecting plate 323 to move downward, so as to drive the connecting rod 31 to move downward; lifting the handle 324 upward, the first connecting plate 322 will rotate counterclockwise around the fixed plate 321, and then drive the second connecting plate 323 to move upward, so as to drive the connecting rod 31 to move upward, and thus drive the pressing member 2 to move. Preferably, an anti-slip cover is sleeved outside the handle 324 to increase friction and improve hand feeling.

Embodiment two:

the air taking connector provided in this embodiment is basically the same as that in the first embodiment, and is different in that: the handle assembly 32 includes a grip connected to the end of the link 31 extending from the cover 12, the grip preferably being perpendicular to the link 31 and forming a T-shaped structure with the link 31 for easier gripping. The connecting rod 31 can move up and down relative to the joint body 1 by pushing and pulling the holding rod, so that the operation is convenient.

Preferably, the outer side of the holding rod is sleeved with an anti-skid sleeve so as to increase friction and improve hand feeling.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. An air taking connector, which is characterized by comprising:

the connector comprises a connector body (1), wherein an accommodating cavity (113) is arranged in the connector body (1), the bottom end of the connector body (1) is connected with an air taking interface of inflatable power equipment, and the accommodating cavity (113) is communicated with the air taking interface;

the jacking piece (2) is arranged in the accommodating cavity (113) and can move in the accommodating cavity (113) along the axial direction of the joint body (1), the top end of the jacking piece (2) is connected with the cavity wall of the accommodating cavity (113) in a sealing manner, the jacking piece (2) moves towards the direction of the air taking interface and can jack the thimble of the air taking interface so as to enable the inflatable electric equipment to release air, a gas channel (21) is arranged in the jacking piece (2), and the gas channel (21) is communicated with the air taking interface and the accommodating cavity (113);

a pressure detecting member (4) connected to the joint body (1) and communicated with the accommodating chamber (113) to detect the air pressure in the accommodating chamber (113);

a connection member (5) in communication with the accommodation chamber (113), the connection member (5) being configured to output the gas in the accommodation chamber (113);

the gas channel (21) comprises:

a first passage (211) extending from the bottom end of the pressing member (2) to the other end in the axial direction of the pressing member (2); and

A second passage (212) communicating with the first passage (211) and extending to an outer peripheral surface of the pressing member (2);

a sealing boss (111) is arranged on the cavity wall of the accommodating cavity (113), the pressure detection piece (4) and the connecting piece (5) are positioned between the sealing boss (111) and the bottom end of the joint body (1), and when the pressing piece (2) moves to the top end of the accommodating cavity (113), the sealing boss (111) seals the two ends of the second channel (212);

the joint body (1) includes:

the cylinder body (11), the cylinder body (11) is internally provided with the accommodating cavity (113), and the bottom end of the cylinder body (11) is connected with the air taking interface of the inflatable power equipment; and

A cover (12) covering the top end of the cylinder (11);

the gas taking connector further comprises:

and the connecting rod assembly (3) is penetrated through the cover body (12) and connected with the pressing piece (2), and the connecting rod assembly (3) is configured to drive the pressing piece (2) to move in the accommodating cavity (113).

2. The gas-taking connector according to claim 1, characterized in that a first sealing ring (112) is clamped between the sealing boss (111) and the pressing piece (2).

3. The air taking connector according to claim 2, wherein a first limit groove is formed on one side of the sealing boss (111) opposite to the pressing piece (2), and the first sealing ring (112) is clamped in the first limit groove.

4. The gas-taking connector according to claim 1, characterized in that a second sealing ring (22) is clamped between the top end of the pressing piece (2) and the cavity wall of the accommodating cavity (113).

5. The gas-taking connector according to claim 4, wherein a second limit groove is formed in the top end of the pressing piece (2), and the second sealing ring (22) is clamped in the second limit groove.

6. The gas-taking connector according to claim 1, characterized in that the connecting rod assembly (3) comprises:

the connecting rod (31) penetrates through the cover body (12), the bottom end of the connecting rod (31) is connected with the pressing piece (2), and the top end of the connecting rod extends out of the cover body (12);

a handle assembly (32), the handle assembly (32) being capable of driving the link (31) to move relative to the cover (12).

7. The air extraction connector of claim 6, wherein the handle assembly (32) comprises:

the bottom end of the fixing plate (321) is connected with the cover body (12);

a first connecting plate (322), one end of which is pivoted with the top end of the fixed plate (321);

a second connecting plate (323), one end of which is pivoted with the other end of the first connecting plate (322), and the other end of which is pivoted with the top end of the connecting rod (31);

the first connecting plate (322) rotates around the fixed plate (321) and can drive the connecting rod (31) to move relative to the cover body (12).

8. The air intake connector of claim 7, wherein the handle assembly (32) further comprises:

the handle (324) is connected with the first connecting plate (322), and the handle (324) can be rotated to drive the first connecting plate (322) to rotate around the fixed plate (321).