CN215762139U

CN215762139U - SF6 air charging device

Info

Publication number: CN215762139U
Application number: CN202121204249.6U
Authority: CN
Inventors: 荆林远; 国伟辉; 张钊瑞; 孔伟杰; 张奥; 孟晗; 于文盛; 吴士杰; 闫帅; 李朋宇
Original assignee: State Grid Corp of China SGCC; Bozhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Bozhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-02-08
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses an SF6 air charging device, which comprises an air charging device body, a connecting mechanism and three locking mechanisms, wherein the connecting mechanism is arranged on the air charging device body; the rear side of the inflation device body is of an open design, the front side of the inflation device body is provided with a display screen, and the front side of the inflation device body is provided with an inflation inlet, an air inlet and an air outlet which are arranged along two sides of the display screen respectively. When the pipeline is connected with the inflation inlet or the air outlet, the locking plates are extruded, the elastic locking plates clamp the connecting pipeline to prevent the pipeline from falling off, if the pipeline is further fixed, the locking ring can be pulled outwards to enable teeth on the second helical tooth block on the locking ring to be gradually clamped with teeth on the first helical tooth block, and when the first helical tooth block and the second helical tooth block are gradually clamped, the second helical tooth block can extrude the first helical tooth block inwards to enable the locking plates to clamp the pipeline joint again, so that the pipeline can be further fixed.

Description

SF6 air charging device

Technical Field

The utility model relates to the technical field of the power industry, in particular to an SF6 gas charging device.

Background

With the rapid development of the power industry, the investment of infrastructure and equipment of the power industry, particularly the continuous increase of SF6 electrical equipment, the requirements on installation, debugging, overhauling and maintenance of SF6 electrical equipment are higher and higher, and related departments have higher quality and time requirements on the recharging and supplementing gas in the construction and overhauling processes of SF6 electrical equipment (particularly GIS). However, when the existing SF6 inflator is used for connecting a connecting pipeline, the pipeline is generally directly sleeved outside the inflation inlet or connected through threads, so that the connection of the pipeline is unstable or troublesome, and the existing SF6 inflator has a shell which is generally fixed through bolts, and if the inside of the SF6 inflator needs to be overhauled, the shell of the SF6 inflator needs to be detached by using a special tool, so that the SF6 inflator is inconvenient to overhaul.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an SF6 inflation device which can be quickly and stably inserted into a pipeline and can quickly open a rear cover of the SF6 inflation device.

In order to solve the technical problems, the utility model adopts the following technical scheme: an SF6 inflation device comprises an inflation device body, a connecting mechanism and three locking mechanisms;

the rear side of aerating device body is for opening the design, the front side of aerating device body is provided with the display screen, the front side of aerating device body sets up the edge the both sides of display screen are provided with inflation inlet, air inlet and gas outlet respectively, and are three locking mechanism installs respectively the position department that inflation inlet, air inlet and gas outlet correspond in the front side of aerating device body is used for fixing the pipeline of connecting, the rear side of aerating device body is provided with the closing plate, coupling mechanism be used for with the closing plate is fixed the rear side of aerating device body.

Further, the locking mechanism comprises a locking ring, a plurality of locking plates, a plurality of first skewed tooth blocks and a plurality of second skewed tooth blocks;

it is a plurality of the front end of locking plate all outwards buckles, and is a plurality of the one end of locking plate is followed the outer peripheral face interval of inflation inlet or air inlet or gas outlet is fixed the front side of aerating device body, and is a plurality of the spacing groove has all been seted up in the outside of locking plate, the lock collar slip cap is established a plurality of the locking plate is outer and the embedding is a plurality of the spacing inslot, and is a plurality of first skewed tooth piece is fixed respectively corresponding a plurality of the front side of spacing groove, it is a plurality of the interval of second skewed tooth piece is fixed on the inner wall of lock collar, and is a plurality of first skewed tooth piece is connected with corresponding a plurality of the block snap fit of second skewed tooth.

Furthermore, a plurality of rotating blocks are fixed on the outer peripheral surface of the locking ring at intervals.

Furthermore, a plurality of locking rings are all fixed with the baffle to be used for restricting the locking rings from sliding out from the rear side of the limiting groove.

Furthermore, the upper inner wall and the lower inner wall of the rear side of the inflating device body are provided with sliding grooves, one side of each sliding groove is communicated with the outside, and the top and the bottom of each sealing plate are respectively embedded into the corresponding sliding grooves in a sliding mode.

Further, a plurality of gyro wheels are installed at the interval in the spout, the groove of stepping down has all been seted up to the top and the bottom of closing plate, and is a plurality of the gyro wheel imbeds respectively correspondingly in the groove of stepping down.

Furthermore, a through hole is formed in the position, corresponding to the receding groove, of the rear side of the sealing plate, communicated with the outside, a clamping groove is formed in the position, corresponding to the through hole, of the rear side of the inflating device body, and the connecting mechanism is embedded in the through hole in a sliding mode.

Further, the connecting mechanism comprises a check ring, a sliding rod and a spring;

the sliding rod is embedded in the through hole in a sliding mode, the check ring is fixed to the position, close to the middle, of the outer peripheral face of the sliding rod, the spring clamp is arranged between the check ring and the sealing plate, the inner end of the sliding rod is embedded in the clamping groove in a sliding mode under the elastic effect of the spring, and the outer end of the sliding rod extends out of the through hole and is fixed with a protruding block.

Further, the front side of the inflator body is provided with a charging interface.

Furthermore, one side of the inflator body is provided with a vent.

The utility model has the beneficial effects that:

1. in the utility model, when the pipeline is connected with the inflation inlet or the air outlet, the plurality of locking plates can be extruded, the plurality of elastic locking plates can clamp the connecting pipeline to prevent the pipeline from falling off, if the pipeline is further fixed, the locking ring can be pulled outwards to ensure that the teeth on the second inclined tooth block on the locking ring are gradually clamped with the teeth on the first inclined tooth block, when the first oblique tooth block and the second oblique tooth block are gradually clamped, the second oblique tooth block can extrude the first oblique tooth block inwards to enable the locking plate to clamp the pipeline interface again, thereby further fixing the pipeline, when the pipeline needs to be taken down, the second helical tooth block on the locking ring is separated from the first helical tooth block by rotating the locking ring, at this moment, the locking ring does not extrude the locking plate any more, and then the pipeline is pulled out, so that the pipeline connection is fast and stable.

2. When the sealing plate needs to be taken down from the rear side of the inflating device body, the lug is pulled outwards to drive the sliding rod to move outwards, so that the inner end of the sliding rod moves out of the clamping groove, then the sealing plate is pulled towards one side of the sliding groove communicated with the outside to take down the sealing plate, when the sealing plate needs to be fixed, the top and the bottom of the sealing plate are respectively embedded into the corresponding sliding grooves, then the lug is pulled, the sliding rod moves outwards at the moment, the distance between the check ring and the sealing plate is pulled in, so that the spring is in a contraction state, after the sealing plate is completely embedded into the sliding groove, the lug is loosened, so that the inner end of the sliding rod can be pushed to be embedded into the clamping groove when the spring is reset, the sealing plate is fixed in a lesson mode, and the mounting and dismounting of the sealing plate are convenient.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic structural view of the locking mechanism of the present invention.

Fig. 3 is a schematic structural view of the locking mechanism of the present invention.

Fig. 4 is a perspective view of the present invention.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 is a schematic structural diagram of the present invention.

The components in the drawings are labeled as follows: 1. an inflator body; 2. an inflation inlet; 3. an air inlet; 4. an air outlet; 5. a display screen; 6. a locking mechanism; 601. a locking plate; 602. a first skewed tooth block; 603. a second skewed tooth block; 604. a locking ring; 605. rotating the block; 606. a baffle plate; 607. a limiting groove; 7. a charging interface; 8. a vent; 9. a closing plate; 10. a chute; 11. a bump; 12. a through hole; 13. a retainer ring; 14. a slide bar; 15. a card slot; 16. a spring; 17. a yielding groove; 18. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, "a plurality" means two or more. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

See fig. 1-6.

The utility model relates to an SF6 inflation device, which comprises an inflation device body 1, a connecting mechanism and three locking mechanisms 6;

the rear side of aerating device body 1 is for opening the design, the front side of aerating device body 1 is provided with display screen 5, the front side of aerating device body 1 sets up the edge the both sides of display screen 5 are provided with inflation inlet 2, air inlet 3 and gas outlet 4 respectively, and are three locking mechanism 6 installs respectively the position department that inflation inlet 2, air inlet 3 and gas outlet 4 were corresponded to the front side of aerating device body 1 for be used for fixing the pipeline of connecting, the rear side of aerating device body 1 is provided with closing plate 9, coupling mechanism be used for with closing plate 9 is fixed the rear side of aerating device body 1.

In this embodiment, can be to the pipeline of connecting fast fixed through locking mechanism 6, and can prevent that the pipe connection is unstable, inflation inlet 2 is used for connecting by the equipment of aerifing, air inlet 3 is used for connecting the gas cylinder, gas outlet 4 is used for connecting the recovery air pocket, three locking mechanism 6 is respectively to inflation inlet 2, the pipeline that air inlet 3 and gas outlet 4 are connected is fixed, display screen 5 sets up the middle part at aerating device body 1, display screen 5 is used for operating SF6 aerating device, can make the rear side at aerating device body 1 of enclosing plate 9 detachable installation through coupling mechanism, and can make enclosing plate 9 quick assembly disassembly.

In one embodiment, the locking mechanism 6 includes a locking ring 604, a plurality of locking plates 601, a plurality of first skewed tooth blocks 602, and a plurality of second skewed tooth blocks 603;

it is a plurality of the front end of locking plate 601 all outwards buckles, and is a plurality of the one end of locking plate 601 is followed inflation inlet 2 or air inlet 3 or gas outlet 4's outer peripheral face interval is fixed the front side of aerating device body 1, it is a plurality of spacing groove 607 has all been seted up in the outside of locking plate 601, it is a plurality of locking collar 604 slip cover is established a plurality of locking plate 601 is outer and imbed a plurality of in the spacing groove 607, it is a plurality of first skewed tooth piece 602 is fixed respectively corresponding a plurality of the front side of spacing groove 607, it is a plurality of second skewed tooth piece 603 interval is fixed on the inner wall of locking collar 604, it is a plurality of first skewed tooth piece 602 and corresponding a plurality of second skewed tooth piece 603 block is connected. The locking plate 601 is made of spring steel, the locking plates 601 are formed into a cylinder shape, the front sides of the locking plates 601 are bent outwards, the pipeline can be conveniently connected, when the pipeline is connected with the inflation inlet 2 or the air inlet 3 or the air outlet 4, the locking plates 601 can be extruded, the elastic locking plates 601 can clamp the connecting pipeline to prevent the pipeline from falling off, if the pipeline is further fixed, the locking ring 604 can be pulled outwards to enable teeth on the second inclined tooth block 603 on the locking ring 604 to be gradually clamped with teeth on the first inclined tooth block 602, the teeth of the first inclined tooth block 602 incline forwards, the teeth on the second inclined tooth block 603 are matched with teeth of the first inclined tooth block 602, therefore, after the first inclined tooth block 602 is clamped with the second inclined tooth block 603, the locking ring 604 cannot move backwards, and when the first inclined tooth block 602 is gradually clamped with the second inclined tooth block 603, the second skewed tooth piece 603 can inwards extrude the first skewed tooth piece 602, so that the locking plate 601 clamps the pipeline interface again, the pipeline can be further fixed, when the pipeline needs to be taken down, the locking ring 604 is rotated to separate the second skewed tooth piece 603 from the first skewed tooth piece 602 on the locking ring 604, at this time, the locking ring 604 does not extrude the locking plate 601 any more, and then the pipeline is pulled out, so that the pipeline connection is fast and stable.

In one embodiment, a plurality of rotating blocks 605 are fixed on the outer peripheral surface of the locking ring 604 at intervals. Rotation of the locking ring 604 is facilitated by a rotation block 605.

In an embodiment, a plurality of the locking rings 604 are fixed with a baffle 606 for limiting the locking rings 604 to slide out from the back side of the limiting groove 607. The baffle 606 is fixed on the locking ring 604 and is located at the rear side of the limiting groove 607, and the locking ring 604 can be limited in the limiting groove 607 through the baffle 606.

In an embodiment, the upper inner wall and the lower inner wall of the rear side of the inflator body 1 are both provided with a chute 10, one side of the chute 10 is communicated with the outside, and the top and the bottom of the closing plate 9 are respectively embedded into the corresponding chutes 10 in a sliding manner. The side section of the closing plate 9 is in a T-shaped design, so that the parts, close to the inner sides, of the top and the bottom of the closing plate 9 are upwards and downwards protruded, and the closing plate 9 and the sliding groove 10 can form limit fit.

In an embodiment, a plurality of rollers 18 are installed in the sliding groove 10 at intervals, the top and the bottom of the closing plate 9 are both provided with an abdicating groove 17, and the plurality of rollers 18 are respectively embedded into the corresponding abdicating grooves 17. The roller 18 is attached to the inner wall of the receding groove 17, and the closing plate 9 can slide in the sliding groove 10 more smoothly through the roller 18.

In an embodiment, a through hole 12 is formed at a position corresponding to the position where the receding groove 17 communicates with the outside on the rear side of the closing plate 9, a clamping groove 15 is formed at a position corresponding to the through hole 12 on the rear side of the inflator body 1, and the connecting mechanism is slidably embedded in the through hole 12. The through hole 12 is used for installing the connecting mechanism, and the closing plate 9 can be fixed on the rear side of the inflator body 1 by embedding the inner end of the connecting mechanism into the clamping groove 15 in front.

In one embodiment, the connection mechanism includes a retainer ring 13, a slide rod 14, and a spring 16;

the sliding rod 14 is embedded in the through hole 12 in a sliding manner, the retainer ring 13 is fixed on the outer peripheral surface of the sliding rod 14 at a position close to the middle, the spring 16 is clamped between the retainer ring 13 and the closing plate 9, the inner end of the sliding rod 14 is embedded in the clamping groove 15 in a sliding manner under the elastic action of the spring 16, and the outer end of the sliding rod 14 extends out of the through hole 12 and is fixed with the bump 11. The retainer ring 13 is fixed on the sliding rod 14 at the part outside the slot 15, the sliding rod 14 can be pushed into the slot 15 through the spring 16, when the sealing plate 9 needs to be taken off from the rear side of the inflator body 1, the lug 11 is pulled outwards to drive the sliding rod 14 to move outwards, the inner end of the sliding rod 14 is moved out of the slot 15, then the sealing plate 9 can be taken off by pulling the sealing plate 9 to the side where the sliding groove 10 is communicated with the outside, when the sealing plate 9 needs to be fixed, the top and the bottom of the sealing plate 9 are respectively embedded into the corresponding sliding grooves 10, then the lug 11 is pulled, the sliding rod 14 moves outwards at the moment, the distance between the retainer ring 13 and the sealing plate 9 is pulled in, the spring 16 is in a contraction state, after the sealing plate 9 is completely embedded into the sliding groove 10, the lug 11 is released, and the inner end of the sliding rod 14 can be pushed into the slot 15 when the spring 16 is reset, the closing plate 9 is fixed by lessons, so that the closing plate 9 is convenient to mount and dismount.

In one embodiment, the front side of the inflator body 1 is provided with a charging interface 7. The charging interface 7 can be used to charge the inflator body 1.

In one embodiment, the inflator body 1 is provided with a vent 8 at one side thereof. The inside of the inflator body 1 can be radiated through the vent 8.

It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this disclosure.

Claims

1. An SF6 inflatable device, characterized by: comprises an inflator body (1), a connecting mechanism and three locking mechanisms (6);

the rear side of aerating device body (1) is for opening the design, the front side of aerating device body (1) is provided with display screen (5), the front side of aerating device body (1) sets up the edge the both sides of display screen (5) are provided with inflation inlet (2), air inlet (3) and gas outlet (4) respectively, and are three locking mechanism (6) are installed respectively the position department that inflation inlet (2), air inlet (3) and gas outlet (4) were corresponded to the front side of aerating device body (1) for be used for fixing the pipeline of connecting, the rear side of aerating device body (1) is provided with closing plate (9), coupling mechanism be used for with closing plate (9) are fixed the rear side of aerating device body (1).

2. An SF6 inflator as in claim 1 wherein: the locking mechanism (6) comprises a locking ring (604), a plurality of locking plates (601), a plurality of first skewed tooth blocks (602) and a plurality of second skewed tooth blocks (603);

it is a plurality of the front end of locking plate (601) all outwards buckles, and is a plurality of the one end of locking plate (601) is followed inflation inlet (2) or air inlet (3) or the outer peripheral face interval of gas outlet (4) is fixed the front side of aerating device body (1), and is a plurality of spacing groove (607) have all been seted up in the outside of locking plate (601), locking ring (604) slip cover is established a plurality of locking plate (601) is outer and imbed a plurality of in spacing groove (607), it is a plurality of first skewed tooth piece (602) is fixed respectively corresponding a plurality of the front side of spacing groove (607), it is a plurality of second skewed tooth piece (603) interval is fixed on the inner wall of locking ring (604), it is a plurality of first skewed tooth piece (602) and corresponding a plurality of second skewed tooth piece (603) block is connected.

3. An SF6 inflator as in claim 2 wherein: a plurality of rotating blocks (605) are fixed on the outer peripheral surface of the locking ring (604) at intervals.

4. An SF6 inflator as in claim 2 wherein: and a baffle (606) is fixed on each of the locking rings (604) to limit the locking rings (604) to slide out of the rear side of the limiting groove (607).

5. An SF6 inflator according to any of claims 1 to 4, wherein: the inflation device is characterized in that sliding grooves (10) are formed in the upper inner wall and the lower inner wall of the rear side of the inflation device body (1), one side of each sliding groove (10) is communicated with the outside, and the top and the bottom of the sealing plate (9) are respectively embedded into the corresponding sliding grooves (10) in a sliding mode.

6. An SF6 inflator according to claim 5, wherein: a plurality of gyro wheels (18) are installed at the interval in spout (10), abdication groove (17), a plurality of have all been seted up to the top and the bottom of closing plate (9) gyro wheel (18) imbed respectively correspondingly in the groove (17) of abdicating.

7. An SF6 inflator according to claim 6, wherein: the rear side of the closing plate (9) corresponds to the position of the abdicating groove (17) communicated with the outside and is provided with a through hole (12), the rear side of the inflating device body (1) corresponds to the position of the through hole (12) and is provided with a clamping groove (15), and the connecting mechanism is embedded in the through hole (12) in a sliding manner.

8. An SF6 inflator according to claim 7, wherein: the connecting mechanism comprises a retainer ring (13), a sliding rod (14) and a spring (16);

the sliding rod (14) is embedded in the through hole (12) in a sliding mode, the retainer ring (13) is fixed to the position, close to the middle, of the outer peripheral face of the sliding rod (14), the spring (16) is clamped between the retainer ring (13) and the closing plate (9), under the elastic effect of the spring (16), the inner end of the sliding rod (14) is embedded into the clamping groove (15) in a sliding mode, and the outer end of the sliding rod (14) extends to the outside of the through hole (12) and is fixed with the bump (11).

9. An SF6 inflator according to any of claims 1 to 4, wherein: the front side of the inflating device body (1) is provided with a charging interface (7).

10. An SF6 inflator according to any of claims 1 to 4, wherein: one side of the inflator body (1) is provided with a vent (8).