CN210403583U

CN210403583U - Isolating switch

Info

Publication number: CN210403583U
Application number: CN201920768379.9U
Authority: CN
Inventors: 林剑锋
Original assignee: Zhejiang Fuerte Electrical Apparatus Co ltd
Current assignee: Zhejiang Fuerte Electrical Apparatus Co ltd
Priority date: 2019-05-25
Filing date: 2019-05-25
Publication date: 2020-04-24
Anticipated expiration: 2029-05-25

Abstract

The utility model discloses an isolating switch, including the base, at least two respectively fixed connection in the post insulator of base upper end both sides, set up the plug-in strip between the post insulator in opposite directions and connect the pull rod insulator between plug-in strip and base, two in opposite directions one side that the back of the body was carried on the back mutually in post insulator upper end is connected with first backup pad and second backup pad respectively, be provided with dustproof subassembly between first backup pad and the second backup pad upper end, dustproof subassembly is including the dust cover that is used for covering the plug-in strip, dust cover one end downside is articulated with the second backup pad, the other end passes through the mounting and is connected with first backup pad. Rotate the dust cover to the plug-in strip upper end, rethread mounting is fixed to make the dust cover with the plug-in strip cladding, and then prevent that external dust and debris from falling on the plug-in strip, guarantee isolator normal work.

Description

Isolating switch

Technical Field

The utility model relates to a power switch's technical field, in particular to isolator.

Background

The isolating switch is mainly used for reliably isolating a part needing power failure from a charged part in the high-voltage distribution device so as to ensure the safety of maintenance work. The isolating switch should have obvious visible disconnection points between the moving contact and the fixed contact, and certain safety distances must be kept between each conductive part of the isolating switch or other conductive parts, between each conductive part of the isolating switch and the grounding or parts which can be contacted by people.

Chinese patent with publication number CN201444460U discloses a 10kV high voltage isolating switch, which comprises a fixed mounting bracket and an insulator, wherein a dovetail bolt is arranged inside the upper end of the insulator, the root of the outer end of the dovetail bolt is provided with a resistance fastening shoulder, and the end surface of the resistance fastening shoulder is provided with a pressing soft cushion body. As long as the locking nut is screwed, the resistance fastening shoulder can not transmit external force to the inside of the top end of the insulator, so that when the insulator is fixedly connected with the fixed mounting bracket, the top end of the insulator is not stressed, and the insulator cannot be broken or fall off.

However, the 10kV high-voltage isolating switch has the following defects: this isolator sets up in the open air, and dust and debris in the outdoor environment can fall in plug-in strip and insulator junction to can influence isolator's normal operating, consequently wait to improve.

SUMMERY OF THE UTILITY MODEL

To the technical defect, the utility model aims at providing an isolator avoids dust and debris to fall on the plug-in strip, guarantees the isolator normal function.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an isolating switch, includes the base, at least two respectively fixed connection in the post insulator of base upper end both sides, set up the plug-in strip between the post insulator in opposite directions and connect the pull rod insulator between plug-in strip and base, two in opposite directions one side that the post insulator upper end was carried on the back mutually is connected with first backup pad and second backup pad respectively, be provided with dustproof subassembly between first backup pad and the second backup pad upper end, dustproof subassembly is including the dust cover that is used for covering the plug-in strip, dust cover one end downside is articulated with the second backup pad, the other end passes through the mounting and is connected with first backup pad.

Through adopting above-mentioned technical scheme, rotate the dust cover to the plug-in strip upper end, the rethread mounting is fixed to make the dust cover with the plug-in strip cladding, and then prevent that external dust and debris from falling on the plug-in strip, guarantee isolator normal work.

The utility model discloses further set up to: the upper end face of the second supporting plate is connected with supporting springs on two sides of the lower end of the dust cover along the vertical direction, and one ends, far away from the second supporting plate, of the supporting springs are connected with fixing plates.

Through adopting above-mentioned technical scheme, cover the dust cover, the dust cover can push down the fixed plate, and supporting spring consequently can receive the extrusion, and when opening the dust cover, supporting force can be given for the dust cover to supporting spring to make the dust cover rotate fast and open labour saving and time saving.

The utility model discloses further set up to: the upper end face of the second supporting plate is connected with a supporting column penetrating through the supporting spring.

By adopting the technical scheme, the support spring is sleeved outside the support column after being compressed, and the support column can provide a guiding function for the support spring, so that the support spring is prevented from being distorted and incapable of being restored during compression; simultaneously, the support column also has certain deformability, also can provide certain tensile force when receiving the extrusion, improves the speed that the dust cover bounced open.

The utility model discloses further set up to: the mounting includes the fixed block of being connected with first backup pad, the fixed block upper end is provided with the fixed slot that supplies dust cover one end card to go into, the stationary blade is worn to be equipped with by one side that the fixed block deviates from the second supporting shoe, in the fixed slot is worn to locate by stationary blade one end, the one end that articulated department was kept away from to the dust cover is provided with the spacing hole that supplies the stationary blade card to go into, the fixed block lateral wall is provided with the locating part that is used for.

Through adopting above-mentioned technical scheme, go into the fixed slot with dust cover one end card in, go into the fixed block with the stationary blade card again and go into the spacing downthehole of protection casing in succession to prevent that the dust cover from breaking away from in the fixed slot, the rethread locating part is fixed the stationary blade.

The utility model discloses further set up to: the locating part includes fixed connection in the gag lever post of fixed block one side, the one end that the fixed block was kept away from to the gag lever post articulates there is the spacing strip that is L shape, the one end that the gag lever post was kept away from to spacing strip is hugged closely with the one end of stationary blade.

Through adopting above-mentioned technical scheme, rotate spacing, hug closely spacing one end and stationary blade one end to prevent that the stationary blade from breaking away from with the fixed block.

The utility model discloses further set up to: the limiting rod is connected with a limiting piece in a rotating mode near the upper side of one end of the limiting strip, one end, away from the limiting rod, of the limiting piece is tightly attached to the upper end face of the limiting strip, and a limiting bolt is connected between the limiting piece and the limiting strip in a threaded mode.

Through adopting above-mentioned technical scheme, rotate spacing piece to spacing upper end and hug closely with spacing upper end, again with between the spacing bolt screw in spacing to prevent that the relative gag lever post of spacing from rotating, and then prevent that stationary blade and fixed block from breaking away from, increase the stability that dust cover and fixed block are connected.

The utility model discloses further set up to: and the upper end of the dust cover is provided with a signboard.

Through adopting above-mentioned technical scheme, maintainer can know isolator's relevant condition fast according to the sign content, also can know how to open the dust cover fast simultaneously for maintenance efficiency.

The utility model discloses further set up to: the two sides of the dust cover are connected with guide oblique strips along the length direction.

Through adopting above-mentioned technical scheme, the rainwater can flow down from the dust cover along the direction slanted bar, avoids inside the rainwater inflow dust cover to influence isolator's normal work.

To sum up, the utility model discloses following beneficial effect has:

1. the dustproof assembly can prevent external dust and sundries from falling on the knife switch, and the normal work of the isolating switch is prevented from being influenced;

2. the signboard can help the maintainer to know isolator's relevant condition fast, improves maintenance efficiency, labour saving and time saving.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is an exploded view of the embodiment;

FIG. 3 is an enlarged schematic view of region A in FIG. 2;

fig. 4 is an enlarged schematic view of a region B in fig. 2.

Description of reference numerals: 1. a base; 2. a post insulator; 3. a knife switch; 4. a pull rod insulator; 5. a first support plate; 6. a second support plate; 7. a dust-proof assembly; 71. a dust cover; 711. a limiting hole; 712. a signboard; 713. a guide oblique strip; 72. a support spring; 73. a fixing plate; 74. a support pillar; 8. a fixing member; 81. a fixed block; 811. fixing grooves; 82. a fixing sheet; 9. a limiting member; 91. a limiting rod; 92. a limiting strip; 93. a limiting sheet; 94. and a limiting bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides an isolating switch, as shown in fig. 1, fig. 2, including base 1, six post insulators 2 of fixed connection in base 1 up end both sides side by side, three connect respectively in the plug-in strip 3 between post insulator 2 in opposite directions and three connect respectively in the pull rod insulator 4 between plug-in strip 3 and base 1, one side that per two post insulator 2 upper ends in opposite directions carried on the back mutually is connected with first backup pad 5 and second backup pad 6 respectively, be provided with dustproof subassembly 7 between first backup pad 5 and the 6 up end of second backup pad, dustproof subassembly 7 can prevent that dust and debris in the external world from falling on plug-in strip 3 and post insulator 2 junction.

As shown in fig. 2, the dust-proof assembly 7 includes a dust-proof cover 71 for covering the blade 3, the dust-proof cover 71 has one end hinged to the second support plate 6 at the lower side and the other end connected to the first support plate 5 by a fixing member 8. An identification plate 712 is fixedly connected to one side of the dust cover 71. The maintainer can know isolator's relevant condition fast according to the sign content, also can know how to open dust cover 71 fast simultaneously for maintenance efficiency.

As shown in fig. 2, guide slanted bars 713 are fixedly connected to both sides of the dust cover 71 along the length direction. Rainwater can flow down from the dust cover 71 along the guide slanted bar 713, and the rainwater is prevented from flowing into the dust cover 71, so that the normal operation of the isolating switch is prevented from being influenced.

As shown in fig. 2, the supporting springs 72 are fixedly connected to the upper end surface of the second supporting plate 6 along the vertical direction at both sides of the lower end of the dust cover 71, a horizontal fixing plate 73 is fixedly connected to one end of the supporting spring 72 far away from the second supporting plate 6, and the fixing plate 73 is tightly attached to the inner wall of the dust cover 71. When the dust cover 71 is covered, the dust cover 71 can press down the fixing plate 73, the supporting spring 72 can be squeezed accordingly, and when the dust cover 71 is opened, the supporting spring 72 can give supporting force to the dust cover 71, so that the dust cover 71 can rotate and open quickly, and time and labor are saved.

As shown in fig. 2, a support post 74 is connected to the upper end surface of the second support plate 6 and penetrates the support spring 72. The support spring 72 is sleeved outside the support column 74 after being compressed, and the support column 74 can provide a guiding function for the support spring 72, so that the support spring 72 is prevented from being distorted and incapable of being restored during compression; meanwhile, the supporting column 74 also has certain deformation capacity, and can provide certain tension force when being extruded, so that the bouncing speed of the dust cover 71 is improved.

As shown in fig. 3 and 4, the fixing member 8 includes a fixing block 81 fixedly connected to the upper end surface of the first support plate 5, a fixing groove 811 for clamping one end of the dust cover 71 is provided on one side of the fixing block 81 departing from the first support plate 5, a fixing plate 82 is provided on one side of the fixing block 81 departing from the second support plate, one end of the fixing plate 82 is provided in the fixing groove 811, a limiting hole 711 for clamping the fixing plate 82 is provided on one end of the dust cover 71 away from the hinge joint, one end of the dust cover 71 is clamped in the fixing groove 811, then the fixing plate 82 is clamped in the fixing block 81 and clamped in the limiting hole 711 of the protection cover, thereby preventing the dust cover 71.

As shown in fig. 3, the side wall of the fixing block 81 is provided with a stopper 9 for fixing the fixing piece 82. The limiting part 9 comprises a limiting rod 91 fixedly connected to one side, away from the second supporting plate 6, of the fixing block 81, one end, away from the fixing block 81, of the limiting rod 91 is hinged to a limiting strip 92 in an L shape, and one end, away from the limiting rod 91, of the limiting strip 92 is tightly attached to one end of the fixing plate 82. The limiting strip 92 is rotated to closely attach one end of the limiting strip 92 to one end of the fixing piece 82, thereby preventing the fixing piece 82 from being separated from the fixing block 81. The upside that gag lever post 91 is close to spacing 92 one end articulates there is spacing piece 93, and the one end that gag lever post 91 was kept away from to spacing piece 93 is hugged closely with spacing 92 up end, and threaded connection has spacing bolt 94 between spacing piece 93 and the spacing 92. Rotate spacing piece 93 to spacing 92 upper ends and hug closely with spacing 92 upper ends, again with spacing bolt 94 screw in between the spacing 92 to prevent that spacing 92 from rotating relative gag lever post 91, and then prevent that stationary blade 82 and fixed block 81 from breaking away from, increase the stability that dust cover 71 and fixed block 8181 are connected.

The use process comprises the following steps:

firstly, the dust cover 71 is covered on the knife blade 3, and the dust cover 71 is clamped into the fixing groove 811; then, the fixing plate 82 is inserted into the fixing block 81 and one end of the fixing plate 82 is clamped into the limiting hole 711 on the dust cover 71; then, the limiting strip 92 is rotated to be tightly attached to one end of the fixing piece 82; finally, the limiting sheet 93 is rotated to the upper end of the limiting strip 92, and the limiting bolt 94 is screwed, so that the dust cover 71 is fixed well, and the dust cover is detached in the same way, and time and labor are saved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an isolator, includes base (1), at least two respectively fixed connection in base (1) upper end both sides post insulator (2), set up in plug-in strip (3) between post insulator (2) in opposite directions and connect pull rod insulator (4) between plug-in strip (3) and base (1), its characterized in that: two are in opposite directions one side that post insulator (2) upper end was carried on the back mutually is connected with first backup pad (5) and second backup pad (6) respectively, be provided with dustproof subassembly (7) between first backup pad (5) and second backup pad (6) upper end, dustproof subassembly (7) are including dust cover (71) that are used for covering plug-in strip (3), dust cover (71) one end downside is articulated with second backup pad (6), the other end passes through mounting (8) and is connected with first backup pad (5).

2. A disconnector according to claim 1, characterized in that: the upper end face of the second supporting plate (6) is connected with supporting springs (72) on two sides of the lower end of the dust cover (71) in the vertical direction, and one ends, far away from the second supporting plate (6), of the supporting springs (72) are connected with fixing plates (73).

3. A disconnector according to claim 2, characterized in that: the upper end face of the second supporting plate (6) is connected with a supporting column (74) penetrating through the supporting spring (72).

4. A disconnector according to claim 1, characterized in that: mounting (8) include fixed block (81) of being connected with first backup pad (5), fixed block (81) upper end is provided with fixed slot (811) that confession dust cover (71) one end card was gone into, fixed block (81) are deviated from one side of second supporting shoe and are worn to be equipped with stationary blade (82), stationary blade (82) one end is worn to locate in fixed slot (811), the one end that articulated department was kept away from in dust cover (71) is provided with spacing hole (711) that confession stationary blade (82) card was gone into, fixed block (81) lateral wall is provided with locating part (9) that are used for fixed stationary blade (82).

5. A disconnector according to claim 4, characterized in that: locating part (9) are including gag lever post (91) of fixed connection in fixed block (81) one side, the one end that fixed block (81) were kept away from in gag lever post (91) articulates has spacing strip (92) that are L shape, the one end that gag lever post (91) were kept away from in spacing strip (92) is hugged closely with the one end of stationary blade (82).

6. A disconnector according to claim 5, characterized in that: the upper side of the limiting rod (91) close to one end of the limiting strip (92) is rotatably connected with a limiting piece (93), one end, away from the limiting rod (91), of the limiting piece (93) is tightly attached to the upper end face of the limiting strip (92), and a limiting bolt (94) is connected between the limiting piece (93) and the limiting strip (92) in a threaded mode.

7. A disconnector according to claim 1, characterized in that: and the upper end of the dust cover (71) is provided with a signboard (712).

8. A disconnector according to claim 1, characterized in that: two sides of the dust cover (71) are connected with guide oblique strips (713) along the length direction.