CN213629376U

CN213629376U - Quick plug of SF6 recovery unit connecting line

Info

Publication number: CN213629376U
Application number: CN202022718776.0U
Authority: CN
Inventors: 沈晓贤; 宋志平; 郑子涵
Original assignee: JIANGSU HNP ELECTRIC TECHNOLOGY CO LTD
Current assignee: JIANGSU HNP ELECTRIC TECHNOLOGY CO LTD
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-06
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a quick plug of SF6 recovery unit connecting line, its public first intubate passes through elasticity dop subassembly grafting fixed mounting inside female first sleeve, can realize the quick connection of SF6 recovery unit connecting line, have characteristics such as the leakproofness is good, withstand voltage, installation convenient to use, can realize high-efficient, convenient connection arbitrary the same model's pipeline, improve the site work efficiency, its mobility, flexibility improve greatly, can extensively be applicable to the pipeline of SF6 evacuation machine and SF6 recovery machine; the quick plug is simple and reasonable in structural design, high in preparation implementation feasibility and high in practicability.

Description

Quick plug of SF6 recovery unit connecting line

Technical Field

The utility model relates to a pipe connection device, concretely relates to quick plug of SF6 recovery unit connecting line.

Background

At present, SF6 electrical equipment becomes mainstream equipment in power grid application, and with the popularization and use of SF6 electrical equipment, the equipment is provided withVarious defects are gradually revealed, and SF6 gas leakage is intensively exposed. After the SF6 gas leakage point is detected on site, the links which must be carried out in the processing process are SF6 gas recovery and gas chamber vacuumizing, and when the SF6 equipment is vacuumized, the gas pressure of the SF6 equipment, a vacuum machine and a gas pipeline is generally maintained at-1.33 multiplied by 10^-2The vacuum machine can work normally only in the Pa state. In actual field work there is often a long distance between the SF6 device and the vacuum machine. Connect the gas line between the two and establish ties by several pipelines, in the evacuation process before, generally need two people to cooperate and connect gas line, wherein one person is in two pipe orifices departments tightly together the screw during the connection, need alone to hold the pipeline afterbody in addition, follows the pipeline in the direction rotation hand of tight screw, still need confirm the number of turns that need rotate the pipeline according to the number of turns of pipeline silk until screwing up. If multiple pipes are needed to be connected between the SF6 equipment and the vacuum machine, the connection work needs to be repeated for multiple times, the process of pipeline connection can be completed only by matching at least two persons, the workload is large, the operation is inconvenient, more time is consumed, and the preparation time before vacuumizing is greatly increased. After the screw is used for many times, the screw is easy to age, SF6 air leakage phenomenon occurs, and the normal work of the vacuum machine cannot be ensured.

In order to solve the problem of inconvenient connection of the gas pipelines, the prior measures are mainly to arrange a pipe orifice connecting device at the joint of pipe orifices, screw pipe joints matched with the pipe orifices of the pipelines are arranged at two ends of the pipe orifice connecting device, during connection, the pipe orifices of the pipelines are aligned to the connecting device, the pipe orifice connecting device is rotated, the pipelines are simultaneously screwed at two ends of the pipe orifice connecting device, and the prior rotating pipeline is changed into a rotating middle connecting device. Through mouth of pipe connecting device connecting tube, the shortcoming that exists lies in: (1) the frequent use of the connecting device easily causes the phenomenon of sliding at the two ends of the device, and the device cannot be tightly connected; (2) the air leakage phenomenon caused by poor sealing performance can also occur after long-time use; (3) the process of connecting the pipeline at every time still screws up the nut, which is laborious and time-consuming.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a quick plug of SF6 recovery unit connecting line, its public first intubate passes through the grafting fixed mounting of elasticity dop subassembly inside female first sleeve, can realize the quick connection of SF6 recovery unit connecting line, have characteristics such as the leakproofness is good, withstand voltage, installation convenient to use, can realize high-efficient, convenient arbitrary the same model's of connection pipeline, improve the field work efficiency, its mobility, the flexibility improves greatly, can extensively be applicable to the pipeline of SF6 evacuation machine and SF6 recovery machine; the quick plug is simple and reasonable in structural design, high in preparation implementation feasibility and high in practicability.

For realizing the above-mentioned purpose, the technical scheme of the utility model a design a quick plug of SF6 recovery unit connecting line, including female first sleeve and public first intubate, the periphery side hoop interval of public first intubate is equipped with a plurality of elasticity dop subassemblies, it is equipped with a plurality of jacks to the interval on the female first sleeve, the external diameter of public first intubate with female first telescopic internal diameter looks adaptation, public first intubate peg graft install in female first sleeve, and a plurality of elasticity dop subassembly one-to-one is pegged graft in a plurality of in the jack, public first intubate is kept away from female telescopic one end and is connected with first body, female first sleeve keeps away from the one end of public first intubate and is connected with the second body.

The utility model discloses quick plug of SF6 recovery unit connecting line, its public first intubate passes through elasticity dop subassembly grafting fixed mounting inside female first sleeve, can realize the quick connection of SF6 recovery unit connecting line, have characteristics such as the leakproofness is good, withstand voltage, installation convenient to use, can realize high-efficient, convenient connection arbitrary the same model's pipeline, improve on-the-spot work efficiency, its mobility, flexibility improve greatly, can extensively be applicable to the pipeline of SF6 evacuation machine and SF6 recovery machine; the quick plug is simple and reasonable in structural design, high in preparation implementation feasibility and high in practicability.

In order to ensure smooth preparation and application implementation of the quick plug, the preferred technical scheme is that the elastic chuck assembly comprises a sleeve seat with an opening at the lower end, a bottom plate, a clamping block and a spring, a through hole is formed in the top of the sleeve seat, the bottom plate is fixedly installed at the lower end opening of the sleeve seat, the longitudinal section of the clamping block is of an inverted T-shaped structure, the lower end of the clamping block is clamped and positioned in the sleeve seat, the upper end of the clamping block movably penetrates through the through hole in the top of the sleeve seat and is positioned outside the sleeve seat, the spring is positioned in the sleeve seat, the lower end of the spring is fixedly arranged on the upper end surface of the bottom plate, the upper end of the spring is fixedly connected with the bottom of the clamping; the upper end of the fixture block is provided with an arc chamfer structure; the utility model discloses a public first intubate, including public first intubate, sleeve seat surface is equipped with helicitic texture, the annular interval is equipped with a plurality of screw holes on the public first intubate, elasticity dop subassembly pass through sleeve seat one-to-one spiro union install in the threaded hole of public first intubate. The elastic chuck assembly is simple and reasonable in structural design and high in preparation implementation feasibility, when the male cannula is inserted into the female sleeve, the female sleeve compresses the fixture blocks on the male cannula into the sleeve seat, and when the end part of the male cannula is abutted to the bottom of the female sleeve, the fixture blocks are correspondingly popped out from the through holes in the female sleeve one by one, so that the fixed clamping between the female sleeve and the male cannula is realized; when the male head inserting tube is extracted from the female head sleeve, the clamping block is pressed into the sleeve seat from the through hole in the female head sleeve, then the female head sleeve or the male head inserting tube is rotated, the elastic clamping head assembly and the through hole in the female head sleeve are staggered, and finally the male head inserting tube is extracted from the female head sleeve.

Further preferred technical scheme still includes second connecting pipe and first connecting pipe, second connecting pipe one end through the transition connecting pipe with female first sleeve one end fixed connection, the second connecting pipe other end and the detachable sealing connection of second body, first connecting pipe one end set firmly in inside the public first intubate, the removable sealing connection of first connecting pipe other end and first body. Female first sleeve passes through the second connecting pipe and is connected with the second body, and public first intubate passes through first connecting pipe and is connected with first body, and connected mode is simple to be convenient for this quick plug when using with the high-speed joint of body tip.

According to a further preferable technical scheme, a first connector is arranged at the end part of the first pipe body, the inner diameter of the first connector is matched with the outer diameter of the first connecting pipe, and one end, far away from the male cannula, of the first connecting pipe is installed in the first connector in a threaded manner;

the second body tip is equipped with the second connector, the internal diameter of second connector and the external diameter looks adaptation of second connecting pipe, the telescopic one end spiro union of female head is kept away from to the second connecting pipe is installed in the second connector.

In a further preferred embodiment, the inner diameter of the second connector is larger than the inner diameter of the second pipe body, and a second seal ring abutting against the end of the second pipe body is further provided inside the second connector; the internal diameter of first nipple > the internal diameter of first body, first nipple is inside still to be equipped with the first sealing washer butt in first body tip. The sealing performance of the connecting pipe position is improved, SF6 is effectively prevented from leaking from the connecting pipe, and the use safety is guaranteed.

In order to further improve the sealing performance of the connecting pipe position, a preferable technical scheme is that one ends, far away from the female sleeve, of the second sealing ring and the second connecting pipe are set to be mutually matched step-shaped structures, and one ends, far away from the male insertion pipe, of the first sealing ring and the first connecting pipe are set to be mutually matched step-shaped structures. The first sealing ring and the end part of the first connecting pipe, the second sealing ring and the end part of the second connecting pipe are good in adaptive sealing performance, and the sealing performance of the connecting pipe position is further improved.

Further preferred technical scheme still, public first intubate is close to the periphery side of first nipple one end and is equipped with the hoop locating plate, the cover is equipped with the third sealing washer that is located between hoop locating plate and female first sleeve tip on the public first intubate. The leakproofness between female sleeve tip and public first intubate is improved.

In a further preferred technical scheme, the transition connecting pipe is of a horn-shaped structure, and a horn-shaped fourth sealing ring is laid in the transition connecting pipe. The splicing stability and the leakproofness between the end part of the female sleeve and the male plug pipe are improved.

The utility model has the advantages and the beneficial effects that:

1. the utility model discloses quick plug of SF6 recovery unit connecting line, its public first intubate passes through elasticity dop subassembly grafting fixed mounting inside female first sleeve, can realize the quick connection of SF6 recovery unit connecting line, have characteristics such as the leakproofness is good, withstand voltage, installation convenient to use, can realize high-efficient, convenient connection arbitrary the same model's pipeline, improve on-the-spot work efficiency, its mobility, flexibility improve greatly, can extensively be applicable to the pipeline of SF6 evacuation machine and SF6 recovery machine; the quick plug is simple and reasonable in structural design, high in preparation implementation feasibility and high in practicability.

2. The elastic chuck assembly is simple and reasonable in structural design and high in preparation implementation feasibility, when the male cannula is inserted into the female sleeve, the female sleeve compresses the fixture blocks on the male cannula into the sleeve seat, and when the end part of the male cannula is abutted to the bottom of the female sleeve, the fixture blocks are correspondingly popped out from the through holes in the female sleeve one by one, so that the fixed clamping between the female sleeve and the male cannula is realized; when the male head inserting tube is extracted from the female head sleeve, the clamping block is pressed into the sleeve seat from the through hole in the female head sleeve, then the female head sleeve or the male head inserting tube is rotated, the elastic clamping head assembly and the through hole in the female head sleeve are staggered, and finally the male head inserting tube is extracted from the female head sleeve.

3. Still include second connecting pipe and first connecting pipe, second connecting pipe one end through the transition connecting pipe with female first sleeve one end fixed connection, the second connecting pipe other end and the detachable sealing connection of second body, first connecting pipe one end set firmly in inside the public first intubate, the removable sealing connection of first connecting pipe other end and first body. Female first sleeve passes through the second connecting pipe and is connected with the second body, and public first intubate passes through first connecting pipe and is connected with first body, and connected mode is simple to be convenient for this quick plug when using with the high-speed joint of body tip.

4. The inner diameter of the second pipe connector is larger than that of the second pipe body, and a second sealing ring which is abutted against the end part of the second pipe body is further arranged in the second pipe connector; the internal diameter of first nipple > the internal diameter of first body, first nipple is inside still to be equipped with the first sealing washer butt in first body tip. The sealing performance of the connecting pipe position is improved, SF6 is effectively prevented from leaking from the connecting pipe, and the use safety is guaranteed.

5. The one end that female first sleeve was kept away from to second sealing washer and second connecting pipe is established to the step-like structure of mutual adaptation, the one end that public first intubate was kept away from to first sealing washer and first connecting pipe is established to the step-like structure of mutual adaptation. The first sealing ring and the end part of the first connecting pipe, the second sealing ring and the end part of the second connecting pipe are good in adaptive sealing performance, and the sealing performance of the connecting pipe position is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a quick plug for a connection pipeline of an SF6 recovery device of the present invention;

fig. 2 is a schematic sectional structural view of the quick plug of the connection pipeline of the SF6 recycling device of the present invention;

fig. 3 is a cross-sectional structural schematic view of a spring cartridge assembly.

In the figure: 1. a female sleeve; 2. a male cannula; 3. a resilient chuck member; 4. a first pipe body; 5. a second tube body; 1-1, a second connecting pipe; 1-2, transition connecting pipes; 1-3, a fourth sealing ring; 2-1, a first connecting pipe; 2-2, positioning the plate annularly; 2-3, a third sealing ring; 3-1, sleeve seat; 3-2, a bottom plate; 3-3, clamping blocks; 3-4, a spring; 4-1, a first connector; 4-2, a first sealing ring; 5-1, a second connector; 5-2 and a second sealing ring.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Examples

As shown in fig. 1-3, the utility model relates to a quick plug of SF6 recovery unit connecting line, including female first sleeve 1 and public first intubate 2, the periphery side hoop interval of public first intubate 2 is equipped with a plurality of elasticity dop subassembly 3, the hoop interval is equipped with a plurality of jacks on the female first sleeve 1, public first intubate 2 the external diameter with female first sleeve 1's internal diameter looks adaptation, public first intubate 2 peg graft install in female first sleeve 1, and a plurality of elasticity dop subassembly 3 one-to-one is pegged graft in a plurality of in the jack, the one end that public first sleeve 1 was kept away from to public first intubate 2 is connected with first body 4, female first sleeve 1 keeps away from the one end of public first intubate 2 and is connected with second body 5.

Preferably, the elastic chuck assembly 3 comprises a sleeve seat 3-1 with an opening at the lower end, a bottom plate 3-2, a clamping block 3-3 and a spring 3-4, the top of the sleeve seat 3-1 is provided with a through hole, the bottom plate 3-2 is fixedly installed at the lower end opening of the sleeve seat 3-1, the longitudinal section of the clamping block 3-3 is in an inverted T-shaped structure, the lower end of the clamping block 3-3 is clamped and connected inside the sleeve seat 3-1, the upper end of the clamping block 3-3 movably penetrates through the through hole at the top of the sleeve seat 3-1 and is located outside the sleeve seat 3-1, the spring 3-4 is located inside the sleeve seat 3-1, the lower end of the spring 3-4 is fixedly arranged on the upper end surface of the bottom plate 3-2, the upper end of the spring 3-4 is fixedly connected with the bottom of the clamping block, and the spring is in a natural extension state; the upper end of the fixture block 3-3 is provided with an arc chamfer structure; the outer surface of the sleeve seat 3-1 is provided with a thread structure, a plurality of thread holes are formed in the male head insertion pipe 2 at intervals, and the elastic chuck assemblies 3 are installed in the thread holes of the male head insertion pipe 2 in a one-to-one corresponding threaded mode through the sleeve seat 3-1.

Further preferably, the disposable medical cannula further comprises a second connecting pipe 1-1 and a first connecting pipe 2-1, one end of the second connecting pipe 1-1 is fixedly connected with one end of the female sleeve 1 through a transition connecting pipe 1-2, the other end of the second connecting pipe 1-1 is detachably and hermetically connected with a second pipe body 5, one end of the first connecting pipe 2-1 is fixedly arranged inside the male cannula 2, and the other end of the first connecting pipe 2-1 is detachably and hermetically connected with the first pipe body 4.

Further preferably, a first connector 4-1 is arranged at the end of the first pipe body 4, the inner diameter of the first connector 4-1 is matched with the outer diameter of the first connector 2-1, and one end of the first connector 2-1, which is far away from the male cannula 2, is installed in the first connector 4-1 in a threaded manner;

the end part of the second pipe body 5 is provided with a second pipe joint 5-1, the inner diameter of the second pipe joint 5-1 is matched with the outer diameter of the second connecting pipe 1-1, and one end, far away from the female sleeve 1, of the second connecting pipe 1-1 is installed in the second pipe joint 5-1 in a threaded manner.

Further preferably, the inner diameter of the second connector 5-1 is larger than the inner diameter of the second pipe body 5, and a second sealing ring 5-2 abutting against the end of the second pipe body 5 is further arranged inside the second connector 5-1; the inner diameter of the first pipe connector 4-1 is larger than that of the first pipe body 4, and a first sealing ring 4-2 which is abutted against the end part of the first pipe body 4 is further arranged in the first pipe connector 4-1.

Further preferably, the second sealing ring 5-2 and one end of the second connecting pipe 1-1, which is far away from the female sleeve 1, are designed to be mutually matched step-shaped structures, and the first sealing ring 4-2 and one end of the first connecting pipe 2-1, which is far away from the male cannula 2, are designed to be mutually matched step-shaped structures.

Further preferably, a circumferential positioning plate 2-2 is arranged on the outer circumferential side of one end, close to the first connector 4-1, of the male cannula 2, and a third sealing ring 2-3 located between the circumferential positioning plate 2-2 and the end of the female sleeve 1 is sleeved on the male cannula 2.

Further preferably, the transition connecting pipe 1-2 is of a horn-shaped structure, and a horn-shaped fourth sealing ring 1-3 is laid inside the transition connecting pipe 1-2.

The utility model relates to a SF6 recovery unit connecting line quick plug's theory of use:

s1: firstly, a first connector 4-1 is fixedly arranged at one end of a plurality of SF6 recovery device connecting pipelines, and a second connector 5-1 is fixedly arranged at the other end of the connecting pipelines, wherein a first sealing ring 4-2 is arranged in the first connector 4-1, and a second sealing ring 5-2 is arranged in the second connector 5-1;

s2: then, second connecting pipes 1-1 of a plurality of female sleeve pipes 1 are installed in second pipe connectors 5-1 of connecting pipelines of a plurality of SF6 recovery devices in a threaded manner, and first connecting pipes 2-1 of a plurality of male cannula pipes 2 are installed in first pipe connectors 4-1 of connecting pipelines of SF6 recovery devices in a threaded manner;

s3: two adjacent SF6 recovery device connecting pipelines are fixedly connected through the end part of the female sleeve 1 and the male insertion tube 2 in an inserting way.

Wherein: when the male cannula 2 is inserted into the female sleeve 1, the female sleeve 1 compresses the fixture blocks 3-3 on the male cannula 2 into the sleeve seats 3-1 until the end of the male cannula 2 abuts against the bottom of the female sleeve 1, and the fixture blocks 3-3 correspondingly pop out from the through holes on the female sleeve 1 one by one, so that the fixed clamping between the female sleeve 1 and the male cannula 2 is realized; when the male cannula 2 is pulled out from the female sleeve 1, the fixture block 3-3 is pressed into the sleeve seat 3-1 from the through hole on the female sleeve 1, then the female sleeve 1 or the male cannula 2 is rotated to make the elastic chuck component 3 staggered with the through hole on the female sleeve 1, and finally the male cannula 2 is pulled out from the female sleeve 1.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a quick plug of SF6 recovery unit connecting line, its characterized in that, including female first sleeve (1) and public first intubate (2), the periphery side hoop interval of public first intubate (2) is equipped with a plurality of elasticity dop subassembly (3), the annular interval is equipped with a plurality of jacks on female first sleeve (1), the external diameter of public first intubate (2) with the internal diameter looks adaptation of female first sleeve (1), public first intubate (2) peg graft install in female first sleeve (1), and a plurality of elasticity dop subassembly (3) one-to-one is pegged graft in a plurality of in the jack, the one end that female first sleeve (1) was kept away from in public first intubate (2) is connected with first body (4), the one end that public first intubate (2) were kept away from in female first sleeve (1) is connected with second body (5).

2. The quick connector for the connection pipeline of the SF6 recovery device of claim 1, wherein the elastic chuck member (3) comprises a sleeve holder (3-1) with an open lower end, a bottom plate (3-2), a clamping block (3-3) and a spring (3-4), the top of the sleeve holder (3-1) is provided with a through hole, the bottom plate (3-2) is fixedly installed at the lower end of the sleeve holder (3-1), the longitudinal section of the clamping block (3-3) is in an inverted T-shaped structure, the lower end of the clamping block (3-3) is clamped inside the sleeve holder (3-1), the upper end of the clamping block (3-3) movably penetrates through the through hole at the top of the sleeve holder (3-1) and is located outside the sleeve holder (3-1), the spring (3-4) is located inside the sleeve holder (3-1), the lower end of the spring (3-4) is fixedly arranged on the upper end face of the bottom plate (3-2), the upper end of the spring (3-4) is fixedly connected with the bottom of the clamping block (3-3), and the spring is in a natural extension state; the upper end of the clamping block (3-3) is provided with an arc chamfer structure; the outer surface of the sleeve seat (3-1) is provided with a thread structure, a plurality of threaded holes are formed in the male head inserting pipe (2) at intervals, and the elastic chuck component (3) is installed in the threaded holes of the male head inserting pipe (2) through the sleeve seat (3-1) in a one-to-one threaded mode.

3. The quick connector of SF6 recycling device connecting line of claim 2, further comprising a second connecting tube (1-1) and a first connecting tube (2-1), wherein one end of said second connecting tube (1-1) is fixedly connected to one end of said female sleeve (1) through a transition connecting tube (1-2), the other end of said second connecting tube (1-1) is detachably and sealingly connected to a second tube (5), one end of said first connecting tube (2-1) is fixedly disposed inside said male tube (2), and the other end of said first connecting tube (2-1) is detachably and sealingly connected to a first tube (4).

4. The quick connector for connection pipelines of SF6 recovery devices of claim 3, wherein said first pipe body (4) is provided with a first connector (4-1) at its end, said first connector (4-1) has an inner diameter adapted to the outer diameter of said first connection pipe (2-1), and the end of said first connection pipe (2-1) far from the male cannula (2) is screw-mounted in the first connector (4-1);

the second pipe body (5) end is provided with a second pipe joint (5-1), the inner diameter of the second pipe joint (5-1) is matched with the outer diameter of the second connecting pipe (1-1), and one end, far away from the female sleeve (1), of the second connecting pipe (1-1) is connected in a threaded mode and installed in the second pipe joint (5-1).

5. The quick connector for SF6 recovery device connecting line as defined in claim 4, wherein the inside diameter of said second connector (5-1) is larger than the inside diameter of said second pipe body (5), said second connector (5-1) further having a second sealing ring (5-2) therein abutting against the end of said second pipe body (5); the inner diameter of the first pipe connector (4-1) is larger than that of the first pipe body (4), and a first sealing ring (4-2) which is abutted to the end part of the first pipe body (4) is further arranged inside the first pipe connector (4-1).

6. The quick connector for SF6 recycling device connecting line as recited in claim 5, wherein the end of the second sealing ring (5-2) and the second connecting pipe (1-1) far away from the female socket (1) are configured as mutually adaptive step-like structures, and the end of the first sealing ring (4-2) and the first connecting pipe (2-1) far away from the male inserting pipe (2) are configured as mutually adaptive step-like structures.

7. The quick connector for the SF6 recovery device connecting line as defined in claim 6, wherein a circumferential positioning plate (2-2) is disposed at an outer circumferential side of an end of the male pipe (2) close to the first connector (4-1), and a third sealing ring (2-3) is sleeved on the male pipe (2) and located between the circumferential positioning plate (2-2) and an end of the female sleeve (1).

8. The quick connector of SF6 recovery device connecting line as recited in claim 7, wherein said transition connecting pipe (1-2) is a trumpet structure, and a fourth trumpet-shaped sealing ring (1-3) is laid inside said transition connecting pipe (1-2).