Grounding switch for combined disconnecting switch

By designing the clamping assembly and transmission assembly in the grounding switch, the rapid replacement and installation of static contacts and movable contacts is achieved, which solves the problems of short service life and inconvenient replacement of existing grounding switches, and improves the efficiency of the grounding switch and the stability of power transmission.

CN222546201UActive Publication Date: 2025-02-28ZHEJIANG ZHONGYI ELECTRIC POWER TECH CO LTD
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Patent Information

Application Number
CN202421109607.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-02-28
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

After long-term use of existing ground switches, the static contacts and moving contacts are easily damaged, resulting in connection gaps, affecting current transmission, and being inconvenient for replacement, resulting in waste of resources and long replacement time.

Method used

A grounding switch for combining the isolating switch is designed. By setting the clamping assembly and the transmission assembly, the rapid replacement and installation of static contacts and movable contacts is achieved, improving the connection effect and avoiding affecting power transmission.

Benefits of technology

It realizes rapid replacement and installation of static contacts and movable contacts, improves the service life of the grounding switch, and avoids the impact of waste of resources and power transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a grounding switch for a combined disconnecting switch, which belongs to the technical field of grounding switches and comprises an insulating base, a plurality of arc extinguish chambers are fixedly connected to the upper surface of the insulating base, first connecting rods are fixedly connected to the upper ends of the arc extinguish chambers, clamping grooves are formed in the other ends of the first connecting rods, and the clamping grooves are connected with the arc extinguish chambers. A plurality of clamping assemblies are arranged on the surface of the clamping groove, each clamping assembly comprises a mounting block, a groove, two sliding rods, two first springs, a button, a clamping block and an elastic plate, and by arranging the clamping assemblies, the first springs drive the clamping blocks to be clamped to the surface of the clamping groove, so that the mounting blocks are conveniently fixed to the surface of the first connecting rod or the surface of the second connecting rod; and by arranging an elastic plate, the connection effect between the mounting block and the first connecting rod and between the mounting block and the second connecting rod is improved, and the influence on power transmission is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of grounding switches, and more specifically, to a grounding switch used for a combined isolating switch. Background Art

[0002] A grounding switch is a mechanical grounding device that releases the static charge of the equipment and circuit being repaired and ensures the personal safety of the maintenance personnel during power outages. It can withstand current for a certain period of time under abnormal conditions (such as short circuits), but does not pass load current under normal conditions. It is usually part of an isolating switch.

[0003] When the grounding switch is in use, the moving contact and the static contact need to withstand a higher lightning impulse voltage when opening and closing the gate. After long-term use, the static contact and the moving contact are easily damaged, resulting in a gap in the connection between the moving contact and the static contact, affecting the transmission of current. The existing grounding switch is not convenient for replacing the moving contact and the static contact, and usually the entire grounding switch is replaced directly, resulting in a waste of resources and a long replacement time, affecting power transmission. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a grounding switch for a combined isolating switch, which has the feature of being easy to quickly replace a static contact and a moving contact.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a grounding switch for a combined disconnector, comprising an insulating base, a plurality of arc extinguishing chambers being fixedly connected to the upper surface of the insulating base, a first connecting rod being fixedly connected to the upper ends of the plurality of arc extinguishing chambers, a card slot being provided at the other ends of the plurality of first connecting rods, a plurality of card connection components being provided on the surface of the card slot, the card connection components comprising a mounting block, a groove, two sliding rods, two first springs, a button, a card block and an elastic plate, a static contact being fixedly connected to the other end of the mounting block, a second spring being fixedly connected to the inner wall of the static contact, a rotating component being fixedly connected to the upper surface of the insulating base, the rotating component comprising two fixed plates, a rotating shaft, a plurality of insulating connecting sleeves and a plurality of second connecting rods, a transmission component being fixedly connected to the upper surface of the insulating base, the transmission component comprising a first rotating block, an electric push rod and a second rotating block, a plurality of card slots being provided at the upper ends of the plurality of second connecting rods, another group of card connection components being provided on the surfaces of the plurality of card slots, and a plurality of moving contacts being fixedly connected to the upper surfaces of the plurality of mounting blocks.

[0008] When using a grounding switch for a combined isolating switch of the present technical solution, a clamping assembly is provided so that the first spring drives the clamping block to be clamped on the surface of the clamping groove, thereby facilitating fixing the mounting block on the surface of the first connecting rod or the second connecting rod, so that the static contact and the moving contact can be quickly replaced and installed, and an elastic plate is provided to improve the connection effect between the mounting block and the first connecting rod and the second connecting rod, thereby avoiding affecting power transmission.

[0009] Furthermore, the mounting block is inserted into the surface of the slot, the groove is opened on the surface of the mounting block, the two slide bars are fixedly connected to the inner wall side of the groove, the two first springs are respectively sleeved on the two slide bar surfaces, the button and the block are slidably connected to the two slide bar surfaces, the block is fixedly connected to the button surface, there are two groups of blocks, and they are symmetrically arranged on the surface of the mounting block, and the elastic plate is fixedly connected to the inner wall side of the slot.

[0010] Furthermore, the two fixed plates are fixedly connected to the insulating base, the rotating shaft is rotatably connected to the surfaces of the two fixed plates through bearings, the multiple insulating connecting sleeves are inserted into the surfaces of the rotating shaft, and the multiple second connecting rods are respectively fixedly connected to the surfaces of the multiple insulating connecting sleeves.

[0011] Furthermore, the first rotating block is fixedly connected to the upper surface of the insulating base, the electric push rod is rotatably connected to the upper surface of the insulating base through the first rotating block, the second rotating block is fixedly connected to the other end of the electric push rod, the second rotating block is penetrated through the surface of the rotating shaft, and the other end of the electric push rod is rotatably connected to the surface of the rotating shaft through the second rotating block.

[0012] Furthermore, a first series rod is passed through the surface of the plurality of second connecting rods.

[0013] Furthermore, a plurality of second series rods are fixedly connected to the surfaces of the first connecting rods.

[0014] Furthermore, a plurality of fixing bolts are arranged on the surface of the insulating base.

[0015] (3) Beneficial effects

[0016] In summary, the utility model has the following beneficial effects:

[0017] 1. A grounding switch for a combined isolating switch, by providing a clamping assembly, so that the first spring drives the clamping block to clamp on the surface of the clamping groove, so that the mounting block is conveniently fixed on the surface of the first connecting rod or the second connecting rod, so that the static contact and the moving contact can be quickly replaced and installed, and the elastic plate is provided to improve the connection effect between the mounting block and the first connecting rod and the second connecting rod, thereby avoiding affecting power transmission;

[0018] 2. The grounding switch used for the combined isolating switch is provided with a transmission assembly so that the electric push rod drives the rotating shaft to rotate on the surface of the fixed plate, thereby facilitating the second connecting rod and the moving contact to rotate, thereby achieving the effect of opening and closing the gate, and the second spring is provided to improve the clamping effect between the static contact and the moving contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 2 This is a side view of the structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0023] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0024] The symbols in the accompanying drawings are:

[0025] 1. Insulation base;

[0026] 2. Arc extinguishing chamber;

[0027] 3. A first connecting rod;

[0028] 4. Card slot;

[0029] 5. Card assembly; 501. Mounting block; 502. Groove; 503. Sliding rod; 504. First spring; 505. Button; 506. Card block; 507. Elastic plate;

[0030] 6. Static contact;

[0031] 7. Second spring;

[0032] 8. Rotating assembly; 801. Fixed plate; 802. Rotating shaft; 803. Insulating connecting sleeve; 804. Second connecting rod;

[0033] 9. Transmission assembly; 901. First rotating block; 902. Electric push rod; 903. Second rotating block;

[0034] 10. Moving contact;

[0035] 11. The first tandem rod;

[0036] 12. Second tandem rod;

[0037] 13. Fix the bolts. DETAILED DESCRIPTION

[0038] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0039] Example:

[0040] The following is combined with Figure 1-4 The utility model is described in further detail.

[0041] See also Figure 1-4 The utility model provides a technical solution: a grounding switch for a combined disconnector, comprising an insulating base 1, a plurality of arc extinguishing chambers 2 are fixedly connected to the upper surface of the insulating base 1, a first connecting rod 3 is fixedly connected to the upper ends of the plurality of arc extinguishing chambers 2, a plurality of first connecting rods 3 are provided with a card slot 4 at the other ends, a plurality of card connection components 5 are arranged on the surface of the card slot 4, the card connection components 5 include a mounting block 501, a groove 502, two slide bars 503, two first springs 504, a button 505, a card block 506 and an elastic plate 507, a static contact 6 is fixedly connected to the other end of the mounting block 501, a second spring 7 is fixedly connected to the inner wall of the static contact 6, a rotating component 8 is fixedly connected to the upper surface of the insulating base 1, and the rotating component 8 includes two fixed plates 801, a rotating shaft 802, a plurality of insulating connecting sleeves 803 and a plurality of second connecting sleeves The connecting rod 804 and the upper surface of the insulating base 1 are fixedly connected with a transmission component 9, and the transmission component 9 includes a first rotating block 901, an electric push rod 902 and a second rotating block 903. Multiple second connecting rods 804 are provided with multiple slots 4 on the upper ends, and another group of snap-in components 5 are provided on the surfaces of multiple slots 4. The upper surfaces of multiple mounting blocks 501 are fixedly connected with moving contacts 10. By setting the snap-in components 5, the first spring 504 drives the snap-in block 506 to be snapped on the surface of the slot 4, so as to facilitate fixing the mounting block 501 on the surface of the first connecting rod 3 or the second connecting rod 804, so that the static contact 6 and the moving contact 10 can be quickly replaced and installed, and by setting the elastic plate 507, the connection effect between the mounting block 501 and the first connecting rod 3 and the second connecting rod 804 is improved to avoid affecting power transmission.

[0042] Specifically, the mounting block 501 is inserted into the surface of the card slot 4, the groove 502 is opened on the surface of the mounting block 501, the two slide bars 503 are fixedly connected to the inner wall side of the groove 502, the two first springs 504 are respectively sleeved on the surfaces of the two slide bars 503, the button 505 and the card block 506 are slidably connected to the surfaces of the two slide bars 503, the card block 506 is fixedly connected to the surface of the button 505, there are two groups of card blocks 506, and they are symmetrically arranged on the surface of the mounting block 501, and the elastic plate 507 is fixedly connected to the inner wall side of the card slot 4.

[0043] By adopting the above technical solution, two clamping blocks 506 are set, so that the first spring 504 drives the clamping block 506 to be clamped on the surface of the clamping slot 4, so that it is convenient to fix the installation block 501 on the surface of the first connecting rod 3 or the second connecting rod 804, so that the static contact 6 and the moving contact 10 can be quickly replaced and installed, and by setting the elastic plate 507, the connection effect between the installation block 501 and the first connecting rod 3 and the second connecting rod 804 is improved to avoid affecting power transmission, and the button 505 is used to drive the clamping block 506 to disengage from the clamping slot 4, so that it is convenient to pull the installation block 501 out of the clamping slot 4.

[0044] Specifically, the two fixed plates 801 are fixedly connected to the insulating base 1, the rotating shaft 802 is rotatably connected to the surfaces of the two fixed plates 801 through bearings, a plurality of insulating connecting sleeves 803 are penetrated through the surface of the rotating shaft 802, a plurality of second connecting rods 804 are respectively fixedly connected to the surfaces of the plurality of insulating connecting sleeves 803, the first rotating block 901 is fixedly connected to the upper surface of the insulating base 1, the electric push rod 902 is rotatably connected to the upper surface of the insulating base 1 through the first rotating block 901, the second rotating block 903 is fixedly connected to the other end of the electric push rod 902, the second rotating block 903 is penetrated through the surface of the rotating shaft 802, and the other end of the electric push rod 902 is rotatably connected to the surface of the rotating shaft 802 through the second rotating block 903.

[0045] By adopting the above technical solution, by making the electric push rod 902 work, under the action of the first rotating block 901 and the second rotating block 903, the rotating shaft 802 is driven to rotate on the surface of the fixed plate 801, so as to facilitate driving the second connecting rod 804 and the moving contact 10 to rotate, thereby achieving the effect of opening and closing the gate.

[0046] Specifically, the first serial rods 11 are penetrated through the surfaces of the plurality of second connecting rods 804 .

[0047] By adopting the above technical solution and providing the first serial rod 11, it is convenient to connect the plurality of second connecting rods 804.

[0048] Specifically, the second series rods 12 are fixedly connected to the surfaces of the plurality of first connecting rods 3 , and the surface of the insulating base 1 is provided with a plurality of fixing bolts 13 .

[0049] By adopting the above technical solution and providing the second serial rod 12 , it is convenient to connect the plurality of first connecting rods 3 .

[0050] The working principle of the utility model is as follows: when in use, the insulating base 1 is fixed to the surface of the equipment by a plurality of fixing bolts 13, and the electric push rod 902 is operated, under the action of the first rotating block 901 and the second rotating block 903, the rotating shaft 802 is driven to rotate on the surface of the fixed plate 801, and the second connecting rod 804 and the moving contact 10 are driven to rotate, so that the moving contact 10 is clamped on the surface of the static contact 6 to achieve the effect of closing the gate. When the static contact 6 and the moving contact 10 need to be replaced, the button 505 is pressed, and the moving contact 10 is brought into contact with the static contact 6. The movable block 506 is disengaged from the slot 4, the mounting block 501 is pulled out of the slot 4, and a new mounting block 501 is inserted into the slot 4, so that the first spring 504 drives the block 506 to be engaged with the surface of the slot 4, and the mounting block 501 is fixed on the surface of the first connecting rod 3 or the second connecting rod 804, and the static contact 6 and the moving contact 10 are quickly replaced and installed. Under the action of the elastic plate 507, the connection effect between the mounting block 501 and the first connecting rod 3 and the second connecting rod 804 is improved to avoid affecting power transmission.

[0051] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A grounding switch for a combined isolating switch, comprising an insulating base (1), characterized in that: The upper surface of the insulating base (1) is fixedly connected to a plurality of arc extinguishing chambers (2), the upper ends of the plurality of arc extinguishing chambers (2) are fixedly connected to a first connecting rod (3), the other ends of the plurality of first connecting rods (3) are provided with a card slot (4), the surface of the card slot (4) is provided with a plurality of card connection components (5), the card connection components (5) include a mounting block (501), a groove (502), two sliding rods (503), two first springs (504), a button (505), a card block (506) and an elastic plate (507), the other end of the mounting block (501) is fixedly connected to a stationary contact (6), the inner wall of the stationary contact (6) is fixedly connected to a second spring (7), the insulating A rotating assembly (8) is fixedly connected to the upper surface of the edge base (1), and the rotating assembly (8) includes two fixed plates (801), a rotating shaft (802), a plurality of insulating connecting sleeves (803) and a plurality of second connecting rods (804). A transmission assembly (9) is fixedly connected to the upper surface of the insulating base (1), and the transmission assembly (9) includes a first rotating block (901), an electric push rod (902) and a second rotating block (903). A plurality of second connecting rods (804) are each provided with a plurality of slots (4) at their upper ends, and another group of snap-fit ​​assemblies (5) are each provided on the surfaces of the plurality of slots (4). A plurality of moving contacts (10) are each fixedly connected to the upper surfaces of the plurality of mounting blocks (501).

2. The grounding switch for a combined isolating switch according to claim 1, characterized in that: The mounting block (501) is inserted into the surface of the card slot (4); the groove (502) is provided on the surface of the mounting block (501); the two slide bars (503) are fixedly connected to the inner wall side of the groove (502); the two first springs (504) are respectively sleeved on the surfaces of the two slide bars (503); the button (505) and the card block (506) are slidably connected to the surfaces of the two slide bars (503); the card block (506) is fixedly connected to the surface of the button (505); there are two groups of the card blocks (506) and they are symmetrically arranged on the surface of the mounting block (501); and the elastic plate (507) is fixedly connected to the inner wall side of the card slot (4).

3. The grounding switch for a combined isolating switch according to claim 1, characterized in that: The two fixed plates (801) are fixedly connected to the insulating base (1); the rotating shaft (802) is rotatably connected to the surfaces of the two fixed plates (801) via a bearing; the plurality of insulating connecting sleeves (803) are inserted through the surface of the rotating shaft (802); and the plurality of second connecting rods (804) are respectively fixedly connected to the surfaces of the plurality of insulating connecting sleeves (803).

4. The grounding switch for a combined isolating switch according to claim 1, characterized in that: The first rotating block (901) is fixedly connected to the upper surface of the insulating base (1); the electric push rod (902) is rotatably connected to the upper surface of the insulating base (1) via the first rotating block (901); the second rotating block (903) is fixedly connected to the other end of the electric push rod (902); the second rotating block (903) is inserted into the surface of the rotating shaft (802); and the other end of the electric push rod (902) is rotatably connected to the surface of the rotating shaft (802) via the second rotating block (903).

5. The grounding switch for a combined isolating switch according to claim 1, characterized in that: A first series rod (11) is inserted through the surface of the plurality of second connecting rods (804).

6. The grounding switch for a combined isolating switch according to claim 1, characterized in that: Second series rods (12) are fixedly connected to the surfaces of the plurality of first connecting rods (3).

7. The grounding switch for a combined isolating switch according to claim 1, characterized in that: A plurality of fixing bolts (13) are arranged on the surface of the insulating base (1).