CN220774203U - Indoor high-voltage grounding switch convenient to disassemble and assemble - Google Patents

Abstract

The utility model discloses an indoor high-voltage grounding switch convenient to disassemble and assemble, which comprises a base and an insulator, wherein the insulator is fixed on the base, the insulator is provided with a static contact knife, the base is provided with a rotatable grounding shaft and a movable contact knife fixed on the grounding shaft, a closing spring is arranged between the base and the movable contact knife, the closing spring comprises a guide rod, a spring, a top block, a movable block and a fastener, the guide rod is provided with an external thread groove, the guide rod penetrates through the top block and the movable block, and the top block is provided with a first internal thread hole and is mutually embedded and connected with the external thread groove to be fixed. According to the utility model, the movable block is connected and fixed with the guide rod by rotating the fastener, and the stud of the spring is compressed by rotating the movable block due to the mutual embedded connection of the second internal threaded hole and the external threaded groove, so that the closing spring can be replaced after the bolt is disassembled, and the product has the advantages of convenience in disassembly of the closing spring, improvement of disassembly efficiency and the like.

Description

Indoor high-voltage grounding switch convenient to disassemble and assemble

Technical Field

The utility model relates to the technical field of grounding switches, in particular to an indoor high-voltage grounding switch convenient to assemble and disassemble.

Background

The grounding switch is a mechanical grounding device for releasing static electricity of equipment and circuits to be overhauled and ensuring personal safety of overhaulers during power failure overhauling. It can withstand current for a certain period of time in abnormal situations (e.g. short circuit) but not normally through load current. Which is typically part of an isolating switch. The ground switch and the disconnector are often combined into one device for use.

The closing capacity of the grounding switch, namely the closing speed depends on a closing spring, the spring compresses and stores energy during closing, and the compression energy of the spring is released during the moving process to push the grounding knife to be closed rapidly. Because indoor high-voltage grounding switch is usually installed in the cabinet body, the disassembling tool is needed to be used for disassembling the closing spring usually, but because the space in the cabinet body is narrow, the disassembling tool occupies little space easily, and other equipment in the cabinet body is touched easily, so that the disassembling difficulty is high, the disassembling time is long, and the normal use of the cabinet body is influenced. The applicant has thus devised an advantageous design and found a solution to the above-mentioned problems, in which the technical solutions described below are created.

Disclosure of Invention

The utility model aims to overcome the defects of the traditional indoor high-voltage grounding switch design, and provides a product which is convenient to detach and has the advantages of closing springs and improving the disassembly and assembly efficiency.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides an indoor high-voltage grounding switch convenient to dismouting, includes the base, and the insulator is fixed at the base, the insulator is equipped with quiet touch sword, the base is equipped with rotatable earthing pole, and fixes the movable touch sword at the earthing pole, be equipped with the closing spring between base, the movable touch sword, the closing spring includes guide arm, spring, kicking block, movable block, fastener, the guide arm is equipped with the external screw thread groove, the guide arm passes kicking block, movable block, the kicking block is equipped with first internal thread hole to be connected fixedly with external screw thread groove mutual gomphosis, the both sides of movable block are equipped with the second internal thread hole, the fastener sets up at the second internal thread hole to be connected fixedly with second internal thread hole mutual gomphosis, the spring is fixed at the kicking block, and the butt movable block, rotatory the fastener, and butt guide arm makes movable block and guide arm connect fixedly, rotatory the pitch of spring is compressed.

Preferably, the top block and the movable block are provided with first blind holes, the springs are fixed in the first blind holes, connecting blocks are arranged on two sides of the top of the movable block, and the top block is arranged in a hexagonal shape.

Preferably, the guide rod and the connecting block are provided with through holes, the through holes are provided with sleeves, bolts are arranged on the side surfaces of the base and the movable contact knife and penetrate through the sleeves, so that the guide rod is fixedly connected with the base and the connecting block and the movable contact knife, second blind holes are formed in two sides of the guide rod, the second blind holes are provided with inner thread grooves, and the guide rod is provided with a baffle and is abutted against the end surface of the jacking block.

Preferably, the fastener is set as a socket head cap screw, and the socket head cap screw is rotated to enable the socket head cap screw to be abutted against the end face of the second blind hole and be mutually embedded, connected and fixed with the second internal threaded hole and the internal threaded groove.

The beneficial effects are that:

compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, when the closing spring needs to be replaced, the inner hexagon screw is rotated to be screwed until the screw rod of the inner hexagon screw abuts against the end face of the second blind hole, and the inner hexagon screw, the second inner threaded hole and the inner threaded groove are mutually embedded and connected and fixed, so that the movable block is firmly fixed at the current position and can bear the counter force of the spring, at the moment, the top block is rotated to enable the top block to move towards the direction of the movable block, so that the spring is gradually compressed, and the first inner threaded hole and the outer threaded groove are mutually embedded and connected, so that the spring is supported, and the real-time fixing effect on the top block in the moving process is ensured; after the operation steps are carried out, the acting force of the counterforce of the spring on the bolt and the sleeve is reduced, so that personnel can conveniently dismount the bolt and replace the closing spring, and meanwhile, the closing spring is installed according to the operation steps; this design can be applied and operate in narrow space, does not borrow dedicated assembly and disassembly tools during the dismouting, reduces the dismantlement degree of difficulty, reduces the time of dismouting, simultaneously, overall structure is simple, can replace the closing spring of the old high-voltage earthing switch at present to alleviate subsequent maintenance degree of difficulty, and, through mutually supporting between the screw thread, multiple screw thread, baffle design, improve the security of product, prevent movable block, kicking block appear reversing the problem in the removal in-process and appear, avoid personnel to receive the damage, make the product have the closing spring of convenient to detach, improve the advantage of dismouting efficiency.

Drawings

FIG. 1 is a schematic view of an indoor high voltage grounding switch with easy disassembly and assembly;

FIG. 2 is a top view of a closing spring of an indoor high voltage grounding switch of the present utility model;

FIG. 3 is a schematic side sectional view of an exploded view of an indoor high voltage grounding switch of the present utility model for easy assembly and disassembly;

FIG. 4 is a schematic side sectional view of an exploded view II of an indoor high voltage grounding switch of the present utility model for easy assembly and disassembly;

FIG. 5 is a schematic side sectional view of an exploded view of a third embodiment of an indoor high voltage grounding switch of the present utility model;

the correspondence between the reference numerals and the component names in the drawings is as follows:

reference numerals: 1. a base; 2. an insulator; 3. a static contact knife; 4. a grounding shaft; 5. a movable contact knife; 6. a closing spring; 7. a sleeve; 8. a bolt; 61. a guide rod; 62. a spring; 63. a top block; 64. a movable block; 65. a fastener; 66. a first blind hole; 67. perforating; 611. an external thread groove; 612. a second blind hole; 613. an internal thread groove; 614. a baffle; 631. a first internally threaded bore; 641. a second internally threaded bore; 642. and (5) connecting a block.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 5, an indoor high voltage grounding switch convenient to dismouting, including base 1, and insulator 2 are fixed at base 1, insulator 2 is equipped with static contact sword 3, base 1 is equipped with rotatable earthing shaft 4, and fixes the movable contact sword 5 at earthing shaft 4, be equipped with closing spring 626 between base 1, the movable contact sword 5, its characterized in that: the closing spring 626 comprises a guide rod 61, a spring 62, a top block 63, a movable block 64 and a fastener 65, wherein the guide rod 61 is provided with an external thread groove 611, the guide rod 61 passes through the top block 63 and the movable block 64, the top block 63 is provided with a first internal thread hole 631 and is mutually embedded and connected with the external thread groove 611 to be fixed, two sides of the movable block 64 are provided with second internal thread holes 641, the fastener 65 is arranged in the second internal thread hole 641 and is mutually embedded and connected with the second internal thread hole 641 to be fixed, the spring 62 is fixed on the top block 63 and is abutted against the movable block 64, the fastener 65 is rotated and abutted against the guide rod 61 to enable the movable block 64 to be connected and fixed with the guide rod 61, and the top block 63 is rotated to enable the pitch of the spring 62 to be compressed;

it should be noted that the top block 63 and the movable block 64 are provided with a first blind hole 66, the spring 62 is fixed on the first blind hole 66, two sides of the top of the movable block 64 are provided with connecting blocks 642, the shape of the top block 63 is set to be hexagonal, the first blind hole 66 prevents the spring 62 from falling off in the compression process or the movable process, the connecting blocks 642 are matched with the bolts 8 for use, and the hexagonal design of the top block 63 facilitates the wrench to rotate the top block 63;

it should be noted that, the guide rod 61 and the connecting block 642 are provided with a through hole 67, the through hole 67 is provided with a sleeve 7, the side surfaces of the base 1 and the movable contact blade 5 are provided with bolts 8 and pass through the sleeve 7, so that the guide rod 61 is connected and fixed with the base 1 and the connecting block 642 and the movable contact blade 5, two sides of the guide rod 61 are provided with second blind holes 612, the second blind holes 612 are provided with internal thread grooves 613, the guide rod 61 is provided with a baffle 614 and is abutted against the end surface of the jacking block 63, the through hole 67 is matched with the sleeve 7 for use, the sleeve 7 plays a role of protecting and increasing the contact area with the through hole 67, the counter force of the spring 62 prevents the threads of the bolts 8 from wearing the inner wall of the through hole 67, the second blind holes 612 are matched with the fastener 65 for use, the movable block 64 is prevented from being influenced by the counter force of the spring 62, the internal thread grooves 613 are mutually embedded and fixedly connected with the threads of the fastener 65, so that the connection between the movable block 64 and the guide rod 61 is more reliable, the baffle 614 plays a supporting and limiting role for the jacking block 63, and the safety of a person is protected;

it should be noted that, the fastener 65 is configured as a socket head cap screw, and the socket head cap screw is rotated, so that the socket head cap screw abuts against the end surface of the second blind hole 612 and is mutually engaged with and connected to the second internal threaded hole 641 and the internal threaded groove 613, and the socket head cap screw is convenient for a person to rotate the socket head cap screw by using a socket head cap wrench.

The principle of use of the utility model will now be described as follows:

when the closing spring 626 needs to be replaced, the socket head cap screw is rotated by the socket head cap wrench to be screwed until the screw rod of the socket head cap screw abuts against the end face of the second blind hole 612, and then the socket head cap screw, the second internal threaded hole 641 and the internal threaded groove 613 are mutually embedded and connected and fixed, so that the movable block 64 is firmly fixed at the current position and can bear the counter force of the spring 62;

at this time, the top block 63 is rotated by the wrench, so that the top block 63 moves towards the moving block 64, and the spring 62 is gradually compressed, and the first internal threaded hole 631 and the external threaded groove 611 are mutually embedded and connected, so that not only is the spring 62 supported, but also the top block 63 is ensured to be fixed in real time in the moving process; after the operation steps are carried out, the acting force of the counterforce of the spring 62 on the bolt 8 and the sleeve 7 is reduced, so that personnel can conveniently dismount the bolt 8 and replace the closing spring 626, and meanwhile, the closing spring 626 is installed according to the operation steps;

this design can be applied and operate in narrow space, does not borrow dedicated assembly and disassembly tools during the dismouting, reduces the time of dismantling the degree of difficulty and dismouting, simultaneously, overall structure is simple, according to the size, can replace the closing spring 626 of the old high-voltage earthing switch at present to alleviate subsequent maintenance degree of difficulty, and, through mutually supporting between the screw thread, multiple screw thread, baffle 614 design, improve the security of product, prevent movable block 64, kicking block 63 appear reversing the problem in the removal in-process and appear, avoid personnel to receive the damage.

Through the design scheme, the product can realize the closing spring convenient to detach and the advantages of improving the disassembly and assembly efficiency.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (4)

1. The utility model provides an indoor high voltage earthing switch convenient to dismouting, includes base (1), and insulator (2) are fixed at base (1), insulator (2) are equipped with static contact sword (3), base (1) are equipped with rotatable earthing shaft (4), and fix movable contact sword (5) at earthing shaft (4), be equipped with closing spring (62) (6) between base (1), movable contact sword (5), its characterized in that: the switching-on spring (62) (6) comprises a guide rod (61), a spring (62), a top block (63), a movable block (64) and a fastener (65), wherein the guide rod (61) is provided with an external thread groove (611), the guide rod (61) penetrates through the top block (63) and the movable block (64), the top block (63) is provided with a first internal thread hole (631) and is fixedly connected with the external thread groove (611) in a mutually embedded mode, two sides of the movable block (64) are provided with second internal thread holes (641), the fastener (65) is arranged in the second internal thread holes (641) and is fixedly connected with the second internal thread holes (641) in a mutually embedded mode, the spring (62) is fixed to the top block (63) in a mode of being abutted against the movable block (64), the fastener (65) is rotated, the movable block (64) is fixedly connected with the guide rod (61) in a abutted mode, the top block (63) is rotated, and the pitch of the spring (62) is compressed.

2. The easy-to-disassemble indoor high voltage grounding switch of claim 1, wherein: the spring is characterized in that the top block (63) and the movable block (64) are provided with first blind holes (66), the spring (62) is fixed to the first blind holes (66), connecting blocks (642) are arranged on two sides of the top of the movable block (64), and the top block (63) is hexagonal.

3. The easy-to-disassemble indoor high-voltage grounding switch of claim 2, wherein: guide arm (61), connecting block (642) are equipped with perforation (67), perforation (67) are equipped with sleeve pipe (7), the side of base (1), movable contact sword (5) is equipped with bolt (8), and passes sleeve pipe (7), makes guide arm (61) and base (1), connecting block (642) be connected fixedly with movable contact sword (5), the both sides of guide arm (61) are equipped with second blind hole (612), second blind hole (612) are equipped with internal thread groove (613), guide arm (61) are equipped with baffle (614), and the terminal surface of butt kicking block (63).

4. The easy-to-disassemble indoor high voltage grounding switch of claim 3, wherein: the fastener (65) is arranged as an inner hexagon screw, and the inner hexagon screw is rotated to enable the inner hexagon screw to be abutted against the end face of the second blind hole (612) and be mutually embedded and connected with the second inner threaded hole (641) and the inner threaded groove (613).