CN114673920A - Multifunctional sulfur hexafluoride gas filling and supplementing device - Google Patents

Multifunctional sulfur hexafluoride gas filling and supplementing device Download PDF

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Publication number
CN114673920A
CN114673920A CN202210322680.3A CN202210322680A CN114673920A CN 114673920 A CN114673920 A CN 114673920A CN 202210322680 A CN202210322680 A CN 202210322680A CN 114673920 A CN114673920 A CN 114673920A
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CN
China
Prior art keywords
sulfur hexafluoride
arranged inside
piece
limiting
boss
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210322680.3A
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Chinese (zh)
Other versions
CN114673920B (en
Inventor
曹阳
向英瀚
曹志刚
侯士波
柏博旭
李哲
陶海燕
吴荣峰
张辉
刘瑾娟
刘晓波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongliao Power Supply Co Of State Grid East Inner Mongolia Electric Power Co
State Grid Corp of China SGCC
Wuhan NARI Ltd
Original Assignee
Tongliao Power Supply Co Of State Grid East Inner Mongolia Electric Power Co
State Grid Corp of China SGCC
Wuhan NARI Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Tongliao Power Supply Co Of State Grid East Inner Mongolia Electric Power Co, State Grid Corp of China SGCC, Wuhan NARI Ltd filed Critical Tongliao Power Supply Co Of State Grid East Inner Mongolia Electric Power Co
Priority to CN202210322680.3A priority Critical patent/CN114673920B/en
Priority claimed from CN202210322680.3A external-priority patent/CN114673920B/en
Publication of CN114673920A publication Critical patent/CN114673920A/en
Application granted granted Critical
Publication of CN114673920B publication Critical patent/CN114673920B/en
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Anticipated expiration legal-status Critical

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/08—Mounting arrangements for vessels
    • F17C13/084—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use
    • F17C13/085—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use on wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0157—Details of mounting arrangements for transport
    • F17C2205/0161—Details of mounting arrangements for transport with wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0335—Check-valves or non-return valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/05—Applications for industrial use

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a multifunctional sulfur hexafluoride gas filling and supplementing device which comprises a carrying assembly, a gas filling assembly and a gas supplementing assembly, wherein the carrying assembly comprises a trolley, a limiting piece arranged on the surface of the trolley and a fixing piece arranged on the surface of the limiting piece; the plug assembly comprises a first outer pipe, a connecting piece arranged inside the first outer pipe and a ventilating piece arranged inside the connecting piece; and the socket assembly comprises a second outer pipe, a switch piece arranged inside the second outer pipe, and a leakage-proof piece arranged inside the outer wall of the second outer pipe. According to the sulfur hexafluoride steel cylinder, due to the arrangement of the carrying assembly, the plug assembly and the socket assembly, a maintainer can conveniently carry the sulfur hexafluoride steel cylinder, and gas leakage in the process of inflating equipment can be prevented.

Description

Multifunctional sulfur hexafluoride gas filling and supplementing device
Technical Field
The invention relates to the technical field of fully mechanized coal mining, in particular to a multifunctional sulfur hexafluoride gas filling and supplementing device.
Background
Sulfur hexafluoride gas has excellent insulation and arc extinguishing properties, so sulfur hexafluoride electrical equipment such as gas insulated metal enclosed switchgear (GIS) and circuit breakers insulated by sulfur hexafluoride are commonly used in domestic and foreign power grids. As the amount of sulfur hexafluoride equipment is large, the sulfur hexafluoride equipment is inflated more and more. But the distance between the inflation bottle and the equipment is longer and farther and the quality of the inflation bottle is heavier, so that the inflation bottle is inconvenient to carry in an area with dense equipment, and great inconvenience is brought to the work of maintenance personnel. In addition, in the process of inflating sulfur hexafluoride equipment in the prior art, as the internal air pressure of the sulfur hexafluoride equipment is gradually increased, the sulfur hexafluoride gas is slightly exhausted into the atmosphere from the inflation interface to cause waste and environmental pollution. Based on this, the device that both had conveniently carried the gas cylinder, also can prevent sulfur hexafluoride gas leakage at the inflation in-process has now been designed.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional multifunctional sulfur hexafluoride gas supplying apparatus.
Therefore, the invention aims to solve the problems that the sulfur hexafluoride steel cylinder is heavy, inconvenient to carry and easy to leak in the process of gas filling.
In order to solve the technical problems, the invention provides the following technical scheme: the multifunctional sulfur hexafluoride gas filling and supplementing device comprises a carrying assembly, a gas filling and supplementing device and a gas supplementing device, wherein the carrying assembly comprises a trolley, a limiting part arranged on the surface of the trolley, and a fixing part arranged on the surface of the limiting part; the plug assembly comprises a first outer pipe, a connecting piece arranged inside the first outer pipe and a ventilating piece arranged inside the connecting piece; and the socket assembly comprises a second outer pipe, a switch piece arranged inside the second outer pipe and a leakage-proof piece arranged inside the outer wall of the second outer pipe.
As a preferred scheme of the multifunctional sulfur hexafluoride gas filling and supplementing device, the sulfur hexafluoride gas filling and supplementing device comprises the following components in percentage by weight: the locating part is including setting up in the pinion rack on dolly surface.
As a preferred scheme of the multifunctional sulfur hexafluoride gas filling and supplementing device, the sulfur hexafluoride gas filling and supplementing device comprises the following components in percentage by weight: the locating part still including set up in the inside sliding tray of dolly, and set up in the inside sliding block of sliding tray, the surface of sliding block still is provided with the spacing groove.
As a preferred scheme of the multifunctional sulfur hexafluoride gas filling and supplementing device, the sulfur hexafluoride gas filling and supplementing device comprises the following components in percentage by weight: the locating part still including set up in inside spacing spring of sliding block, and set up in the spacing tooth piece of a spacing spring tip, the top of spacing tooth piece still is provided with the gag lever post.
As a preferred scheme of the multifunctional sulfur hexafluoride gas filling and supplementing device, the sulfur hexafluoride gas filling and supplementing device comprises the following components in percentage by weight: the fixing piece comprises a hoop arranged on the surface of the sliding block and a bolt arranged at one end of the hoop.
As a preferred scheme of the multifunctional sulfur hexafluoride gas filling and supplementing device, the sulfur hexafluoride gas filling and supplementing device comprises the following components in percentage by weight: the connecting piece including set up in the inside first inner tube of first outer tube, and set up in the locking piece of first inner tube tip, the top surface of locking piece is the wedge, is provided with first inclined plane, first outer tube with first inner tube fixed connection.
As a preferred scheme of the multifunctional sulfur hexafluoride gas filling and supplementing device, the sulfur hexafluoride gas filling and supplementing device comprises the following components in percentage by weight: the air vent comprises a boss arranged in the first inner tube, an ejector pin arranged at the end part of the boss and a sealing gasket arranged outside the boss, the boss is hollow, the end part of the boss is provided with a first air vent, the boss is fixedly connected with the inner wall of the first inner tube, and the ejector pin is fixedly connected with the end part of the boss.
As a preferred scheme of the multifunctional sulfur hexafluoride gas filling and supplementing device, the sulfur hexafluoride gas filling and supplementing device comprises the following components in percentage by weight: the switch part comprises a second inner pipe arranged in the second outer pipe, a valve core arranged in the second inner pipe, a first spring arranged in the valve core and a slot arranged at the inner wall of the second outer pipe, wherein a rotary groove and a transition groove arranged at one end of the rotary groove are arranged in the second inner pipe, the valve core is hollow, and a second vent hole and a third vent hole are arranged at the middle part of the valve core.
As a preferred scheme of the multifunctional sulfur hexafluoride gas filling and supplementing device, the sulfur hexafluoride gas filling and supplementing device comprises the following components in percentage by weight: the leak protection piece including set up in the diffluence pass in second inner tube middle part, and set up in the inside reposition of redundant personnel passageway of second outer tube outer wall.
As a preferred scheme of the multifunctional sulfur hexafluoride gas filling and supplementing device, the sulfur hexafluoride gas filling and supplementing device comprises the following components in percentage by weight: the leakage-proof piece is characterized by further comprising a bearing plate arranged inside the shunting channel, a first push rod arranged at one end of the bearing plate, a fixed block arranged outside the first push rod, a second push rod arranged at the bottom of the end part of the first push rod and a second spring arranged outside the second push rod.
The invention has the beneficial effects that: according to the sulfur hexafluoride steel cylinder, due to the arrangement of the carrying assembly, the plug assembly and the socket assembly, a maintainer can conveniently carry the sulfur hexafluoride steel cylinder, and gas leakage in the process of inflating equipment can be prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor. Wherein:
fig. 1 is an application scene diagram of the multifunctional sulfur hexafluoride gas filling and supplementing device.
Fig. 2 is an external overall structure diagram of the multifunctional sulfur hexafluoride gas filling and supplementing device.
Fig. 3 is a sliding block of the multifunctional sulfur hexafluoride gas filling and supplementing device and an internal structure diagram thereof.
Fig. 4 is an external structure diagram of a plug assembly and a socket assembly of the multifunctional sulfur hexafluoride gas filling and supplementing device.
Fig. 5 is an external structure view of a plug assembly of the multifunctional sulfur hexafluoride gas charging and supplementing device.
Fig. 6 is an internal structure diagram of a plug assembly of the multifunctional sulfur hexafluoride gas filling and supplementing device.
Fig. 7 is an external structure view of the socket assembly of the multifunctional sulfur hexafluoride gas charging and supplementing device.
Fig. 8 is an internal structure view of the socket assembly of the multifunctional sulfur hexafluoride gas charging and supplementing device.
FIG. 9 is a schematic diagram of the interior of the multifunctional sulfur hexafluoride gas filling and supplementing device when the plug assembly and the socket assembly are mated.
Fig. 10 is an enlarged view of a socket assembly a of the multifunctional sulfur hexafluoride gas filling and supplementing device.
Fig. 11 is a structural diagram of a second outer pipe slot of the multifunctional sulfur hexafluoride gas filling and supplementing device.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 and 2, a first embodiment of the invention is provided, and the embodiment provides a multifunctional sulfur hexafluoride gas supply device which comprises a carrying assembly 100, a plug assembly 200 and a socket assembly 300. The steel cylinder can be conveniently carried by a maintainer through the carrying assembly 100, and leakage can be prevented in the process of inflating through the plug assembly 200 and the socket assembly 300.
Specifically, the carrying assembly 100 includes a cart 101, a position-limiting member 102 disposed on a surface of the cart 101, and a fixing member 103 disposed on a surface of the position-limiting member 102. The limiting part 102 can drive the fixing part 103 to move, so that sulfur hexafluoride gas cylinders with different lengths can be conveniently fixed.
Preferably, the plug assembly 200 includes a first outer tube 201, a connector 202 disposed inside the first outer tube 201, and a vent 203 disposed inside the connector 202. The first outer tube 201 is connected to a gas transmission pipe of an inflation apparatus, the connector 202 is used for connection to the socket assembly 300, and the vent 203 is used for gas transmission.
Preferably, the socket assembly 300 includes a second outer tube 301, a switch member 302 disposed inside the second outer tube 301, and a leakage preventing member 303 disposed inside an outer wall of the second outer tube 301. The second outer pipe 301 has a mounting block on its exterior, which can be fixed on the equipment needing inflation by welding or bolts. The opening and closing member 302 is used for opening and closing the inflation passage, and the leakage preventing member 303 prevents gas leakage during inflation of the inflatable device.
Example 2
Referring to fig. 1 to 3, a second embodiment of the present invention is based on the above embodiment.
Specifically, the limiting member 102 includes a toothed plate 102a disposed on the surface of the carriage 101. The two toothed plates 102a are symmetrically arranged and fixed on the trolley 101 with the saw teeth facing inwards.
Preferably, the limiting member 102 further includes a sliding groove 102b disposed inside the cart 101, and a sliding block 102c disposed inside the sliding groove 102b, and a surface of the sliding block 102c is further provided with a limiting groove 102 c-1. The sliding groove 102b is in an inverted "T" shape, and matches with the convex shape at the bottom of the sliding block 102c, and the sliding block 102c can slide in the limiting groove 102 c-1.
Preferably, the limiting member 102 further includes a limiting spring 102d disposed inside the sliding block 102c, and a limiting tooth block 102e disposed at an end of the limiting spring 102d, and a limiting rod 102e-1 is further disposed on the top of the limiting tooth block 102 e. The limit spring 102d is a compression spring, and the saw teeth of the limit tooth block 102e are engaged with the saw teeth of the tooth plate 102 a. When the limiting rod 102e-1 slides in the limiting groove 102c-1, the limiting tooth block 102e can be driven to stretch.
Further, the fixing member 103 includes a band 103a disposed on a surface of the sliding block 102c, and a bolt 103b disposed at an end of the band 103 a. One end of the hoop 103a is hinged with the limit tooth block 102e, and the other end is fixed on the other sliding block 102c through a bolt 103 b.
When the sulfur hexafluoride gas cylinder fixing device is used, the bolts 103b are firstly unscrewed to place the sulfur hexafluoride gas cylinder on the trolley 101, then the bolts 103b are screwed down again through the hoops 103a to fix the gas cylinder on the trolley 101, and due to the fact that the lengths of different gas cylinders are different, the fixing effect can be achieved by adjusting the distance between the hoops 103 a. At this time, only the limiting rod 102e-1 is needed to be shifted to drive the sawteeth of the limiting toothed block 102e to be disengaged from the sawteeth of the toothed plate 102a, then the limiting toothed block 102e can freely move on the sliding groove 102b, and only the limiting rod 102e-1 needs to be loosened, so that the limiting toothed block 102e can be stopped and clamped at any position under the action of the limiting spring 102 d. Therefore, the function of randomly adjusting the distance between the hoops 103a is realized, the optimal fixing effect is achieved, and the carrying safety is ensured.
Example 3
Referring to FIGS. 4-11, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the connecting member 202 includes a first inner tube 202a disposed inside the first outer tube 201, and a locking block 202b disposed at an end of the first inner tube 202a, a top surface of the locking block 202b is wedge-shaped and is provided with a first inclined surface 202b-1, and the first outer tube 201 is fixedly connected to the first inner tube 202 a. The locking blocks 202b are uniformly and symmetrically arranged at the end of the first inner tube 202a, and the number is four. The tail part of the first outer pipe 201 is used for connecting a gas transmission pipeline of the inflating device.
Preferably, the vent 203 includes a boss 203a disposed inside the first inner tube 202a, an ejector pin 203b disposed at an end of the boss 203a, and a gasket 203c disposed outside the boss 203a, the boss 203a is hollow and has a first vent hole 203a-1 at an end thereof, the boss 203a is fixedly connected to an inner wall of the first inner tube 202a, and the ejector pin 203b is fixedly connected to an end of the boss 203 a. The boss 203a is conical and is integrally formed with the first inner tube 202a, and the hollow portion inside the boss is communicated with a gas transmission pipeline of external inflation equipment. The thimble 203b is disposed on the surface of the smaller end of the conical boss 203a, and the gasket 203c may be made of flexible rubber.
Preferably, the switching member 302 includes a second inner tube 302a disposed inside the second outer tube 301, a valve core 302b disposed inside the second inner tube 302a, a first spring 302c disposed inside the valve core 302b, and a socket 302d disposed at an outer wall inside the second outer tube 301, the second inner tube 302a is internally provided with a rotation groove 302a-1 and a transition groove 302a-2 disposed at one end of the rotation groove 302a-1, the valve core 302b is hollow inside, and has a second vent 302b-1 disposed at an end thereof and a third vent 302b-2 disposed at a middle portion thereof. The shape of the rotary groove 302a-1 is matched with that of the boss 203a, and the transition groove 302a-2 is used for a circulation channel of gas entering the inner part of the valve core 302b when the gas comes out of the boss 203 a. The second vent port 302b-1 serves as a passage for gas into the interior of the valve element 302b, and is disposed around the circumference of the valve element 302 b. The third vent ports 302b-2 are provided for bypass paths for gas entering the interior of the valve element 302b, four being provided around the circumference of the valve element 302 b. The first spring 302c is a compression spring, and has one end fixed to the inside of the valve body 302b and the other end fixed to a projection inside the second inner tube 302 a. The width of the slot 302d is the same as the width of the locking block 202b, and a vertical turn is provided at one end of the slot 302d, i.e. when the locking block 202b is pushed to the end of the slot 302d, the locking block 202b can be locked by rotating a certain angle, and the locking block 202b is prevented from backing up. In addition, under normal conditions, the valve core 302b is constantly pressed against the end of the rotary groove 302a-1 by the first spring 302c, so that gas cannot flow through the valve core, and the valve core functions as one-way conduction.
Further, the leakage preventing member 303 includes a flow dividing port 303a provided at a middle portion of the second inner tube 302a, and a flow dividing passage 303b provided inside an outer wall of the second outer tube 301. The branch port 303a is communicated with the branch passage 303b, when the valve core 302b is retracted a distance and the valve port is opened, the second vent port 302b-1 thereon is exactly aligned with the branch port 303a, so that the gas can enter the branch passage 303 b.
Further, the leakage preventing member 303 further includes a bearing plate 303c disposed inside the flow dividing channel 303b, a first push rod 303d disposed at one end of the bearing plate 303c, a fixing block 303e disposed outside the first push rod 303d, a second push rod 303f disposed at the bottom of the end portion of the first push rod 303d, and a second spring 303g disposed outside the second push rod 303 f. The pressure bearing plate 303c is made of a light material and can slide in the flow dividing channel 303b, the first push rod 303d is fixedly connected with the pressure bearing plate 303c, and the fixing block 303e is fixedly connected with the inner wall of the flow dividing channel 303b and is mainly used for fixing the first push rod 303d to ensure that the first push rod can horizontally move in the pressure bearing plate 303 c. The end of the first push rod 303d is likewise wedge-shaped and is provided with a second bevel 303 d-1. The second push rod 303f is similarly wedge-shaped at both ends, and has a third inclined surface 303f-1 at the top and a fourth inclined surface 303f-2 at the bottom. The second spring 303g is a compression spring and is sleeved on the periphery of the second push rod 303 f. The third inclined surface 303f-1 is slidably engaged with the second inclined surface 303d-1, and the fourth inclined surface 303f-2 is engaged with the first inclined surface 202b-1, that is, when the first push rod 303d moves horizontally to the right in the direction shown in the figure, the second push rod 303f is pressed to move downwards, and when the second push rod 303f moves downwards, the locking block 202b is pressed to move leftwards. The second spring 303g mainly plays a role of reset.
In use, the locking block 202b at the end of the first inner tube 202a is first inserted into the slot 302d of the second outer tube 301, and then rotated to a certain angle when reaching the end, so that the first inner tube 202a is connected and fixed with the second outer tube 301. In the process, the boss 203a is inserted into the rotary groove 302a-1 in the second inner tube 302a, the thimble 203b pushes the valve core 302b open, and at the moment, the gas flows in from the first vent hole 203a-1, enters the rotary groove 302a-1, then enters the transition groove 302a-2, then enters the valve core 302b from the transition groove 302a-2 through the second vent hole 302b-1 on the valve core 302b, and finally reaches the interior of the device requiring gas inflation from the interior of the valve core 302 b. Meanwhile, when the valve core 302b is pushed open, the third vent port 302b-2 in the middle of the valve core is just aligned with the branch port 303a on the second inner pipe 302 a. A portion of the gas enters the diversion channel 303b from the diversion port 303 a. Because the air pressure inside the inflated device is gradually increased in the inflating process, the air pressure inside the diversion channel 303b is also gradually increased, so that the air pushes the pressure bearing plate 303c to move, the first push rod 303d enables the second push rod 303f to move downwards, the locking block 202b is further extruded to move leftwards according to the direction shown in the figure, the first inner tube 202a is pulled to move towards the second inner tube 302a, and the first inner tube 202a and the second inner tube 302a are tightly connected to each other to prevent air leakage.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a multi-functional sulfur hexafluoride fills air supplement unit which characterized in that: comprises the steps of (a) preparing a substrate,
the carrying assembly (100) comprises a trolley (101), a limiting piece (102) arranged on the surface of the trolley (101), and a fixing piece (103) arranged on the surface of the limiting piece (102);
the plug assembly (200) comprises a first outer pipe (201), a connecting piece (202) arranged inside the first outer pipe (201), and a ventilation piece (203) arranged inside the connecting piece (202); and the number of the first and second groups,
the socket assembly (300) comprises a second outer pipe (301), a switch piece (302) arranged inside the second outer pipe (301), and a leakage-proof piece (303) arranged inside the outer wall of the second outer pipe (301).
2. The multifunctional sulfur hexafluoride aerating and replenishing device of claim 1 further comprising: the limiting piece (102) comprises a toothed plate (102a) arranged on the surface of the trolley (101).
3. The multifunctional sulfur hexafluoride aerating device as recited in claim 1 or 2 wherein: the limiting piece (102) further comprises a sliding groove (102b) arranged inside the trolley (101) and a sliding block (102c) arranged inside the sliding groove (102b), and the surface of the sliding block (102c) is further provided with a limiting groove (102 c-1).
4. The multifunctional sulfur hexafluoride gas filling and supplementing device as claimed in claim 3, wherein: the limiting piece (102) further comprises a limiting spring (102d) arranged inside the sliding block (102c) and a limiting tooth block (102e) arranged at one end of the limiting spring (102d), and a limiting rod (102e-1) is further arranged at the top of the limiting tooth block (102 e).
5. The multifunctional sulfur hexafluoride gas filling and supplementing device as claimed in claim 4, wherein: the fixing piece (103) comprises a hoop (103a) arranged on the surface of the sliding block (102c), and a bolt (103b) arranged at one end of the hoop (103 a).
6. The multifunctional sulfur hexafluoride aerating device as recited in any one of claims 1, 2, 4 or 5 further comprising: the connecting piece (202) comprises a first inner tube (202a) arranged inside the first outer tube (201) and a locking block (202b) arranged at the end part of the first inner tube (202a), the top surface of the locking block (202b) is wedge-shaped and is provided with a first inclined surface (202b-1), and the first outer tube (201) is fixedly connected with the first inner tube (202 a).
7. The multifunctional sulfur hexafluoride aerating and replenishing device of claim 6, further comprising: the air vent (203) comprises a boss (203a) arranged inside the first inner pipe (202a), an ejector pin (203b) arranged at the end part of the boss (203a), and a sealing gasket (203c) arranged outside the boss (203a), wherein the boss (203a) is hollow, the end part of the boss (203a) is provided with a first air vent (203a-1), the boss (203a) is fixedly connected with the inner wall of the first inner pipe (202a), and the ejector pin (203b) is fixedly connected with the end part of the boss (203 a).
8. The multifunctional sulfur hexafluoride aerating and replenishing device of claim 7, further comprising: the switch piece (302) comprises a second inner pipe (302a) arranged inside the second outer pipe (301), a valve core (302b) arranged inside the second inner pipe (302a), a first spring (302c) arranged inside the valve core (302b), and a slot (302d) arranged at the outer wall inside the second outer pipe (301), wherein a rotary groove (302a-1) and a transition groove (302a-2) arranged at one end of the rotary groove (302a-1) are arranged inside the second inner pipe (302a), the valve core (302b) is hollow inside, the end part of the valve core is provided with a second vent (302b-1), and a third vent (302b-2) arranged in the middle part of the valve core.
9. The multifunctional sulfur hexafluoride aerating and replenishing device of claim 8 further comprising: the leakage-proof piece (303) comprises a flow dividing port (303a) arranged in the middle of the second inner pipe (302a) and a flow dividing channel (303b) arranged inside the outer wall of the second outer pipe (301).
10. The multifunctional sulfur hexafluoride gas filling and supplementing device as claimed in claim 9, wherein: the leakage-proof piece (303) is characterized by further comprising a pressure bearing plate (303c) arranged inside the flow dividing channel (303b), a first push rod (303d) arranged at one end of the pressure bearing plate (303c), a fixed block (303e) arranged outside the first push rod (303d), a second push rod (303f) arranged at the bottom of the end part of the first push rod (303d), and a second spring (303g) arranged outside the second push rod (303 f).
CN202210322680.3A 2022-03-29 Multifunctional sulfur hexafluoride air filling device Active CN114673920B (en)

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Application Number Priority Date Filing Date Title
CN202210322680.3A CN114673920B (en) 2022-03-29 Multifunctional sulfur hexafluoride air filling device

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Application Number Priority Date Filing Date Title
CN202210322680.3A CN114673920B (en) 2022-03-29 Multifunctional sulfur hexafluoride air filling device

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CN114673920B CN114673920B (en) 2024-07-05

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CN213181717U (en) * 2020-09-28 2021-05-11 苏毅 Electric power metering box with anti-electricity-stealing function
CN213676772U (en) * 2020-10-10 2021-07-13 兰溪市驰航机械股份有限公司 Conveyer is used in production of electric power bicycle sensor
CN114151728A (en) * 2021-11-28 2022-03-08 厦门加华电力科技有限公司 Movable multifunctional SF6Air supplement device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206738931U (en) * 2017-02-13 2017-12-12 国网安徽省电力公司阜阳供电公司 A kind of box SF6 breakers inflation handcart
CN211092237U (en) * 2019-08-02 2020-07-28 湖南中育普德心理咨询有限公司 Group activity tutoring property box
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