Improved lower ground switch device for load break and fuse combination apparatus

Abstract

The utility model provides an improved lower grounding switch device of load switch and fuse combination electric appliance relates to electric power technical field, the utility model discloses the box body is equipped with transmission link inside the box body, the box body is equipped with the placing plate inside, the placing plate one side is equipped with the control rod, transmission link and control rod are connected, control rod one side is equipped with a plurality of contact components, contact components are contacted with the component and device inside the box body through first switch block and second switch block, and the contact area of lower grounding switch device and component and device inside the box body is improved, the utility model discloses through using contact component, can make first switch block and second switch block all with the component and device inside the box body contact, improve the contact area of lower grounding switch device and component and device inside the box body, avoid single end point contact not enough close enough, under the condition of stress separation that equipment operation vibration or external force acts, thereby improve the use effect of lower grounding switch device.

Description

Technical Field

[0001] This utility model relates to the field of power, and in particular to an improved grounding switch device for load switches and fuse combination appliances. Background Technology

[0002] The grounding switch device is a grounding protection component installed at the bottom of power equipment. Its core function is to reliably ground the conductor below the equipment during maintenance, ensuring the safety of personnel and equipment.

[0003] When a load switch and fuse are combined for maintenance, a transmission rod inside the enclosure rotates a control rod on one side of the mounting plate. The switch block on the control rod then contacts the internal components, discharging the current and providing grounding protection. However, the switch block only makes contact with a single endpoint, resulting in insufficient adhesion. Under vibration or external forces, the components are easily separated, directly affecting the grounding reliability of the lower grounding switch and consequently impacting its performance. Utility Model Content

[0004] The technical problem to be solved by this utility model is that when the switch block and the component are in contact, only a single end contact is formed. This contact method results in the two not being tightly attached. Under the vibration of the equipment during operation or the action of external force, they are very easy to be separated by force, which directly affects the grounding reliability of the lower grounding switch device, and thus leads to problems that affect the use effect of the lower grounding switch device.

[0005] The technical solution adopted by this utility model to solve its technical problem is: an improved grounding switch device for a combination of load switch and fuse, comprising:

[0006] The effect achieved by the above components is as follows: an improved grounding switch device for load switches and fuse combination electrical appliances, including a housing, a transmission rod inside the housing, a placement plate inside the housing, a control rod on one side of the placement plate, the transmission rod being connected to the control rod, and a plurality of contact components on one side of the control rod. The contact components contact the components inside the housing through a first switch block and a second switch block, thereby increasing the contact area between the grounding switch device and the components inside the housing.

[0007] Preferably, the contact assembly includes several mounting plates, through holes formed on the surface of the mounting plates, bolts, nuts, a first switch block and a second switch block. The mounting plates are arranged in pairs on one side of the control rod. The bolts pass through the through holes of the two mounting plates, the first switch block and the second switch block. The nuts are threaded to one side of the bolts to fix them in place.

[0008] Preferably, a sleeve is fitted onto the surface of the bolt, and the sleeve is positioned between the first switch block and the second switch block.

[0009] Preferably, a spring is abutted against one side of the nut, and the spring is connected to a sleeve on one side, with the spring sleeved on the surface of the bolt.

[0010] Preferably, a washer is provided between the nut and the spring to increase the contact area between the nut and the spring.

[0011] Preferably, an auxiliary plate is provided on one side of the internal components of the housing, and the auxiliary plate is adapted to the spacing between the first switch block and the second switch block.

[0012] Preferably, the first switch block and the second switch block are bent closer together on the side away from the control lever to reduce the distance between the first switch block and the second switch block.

[0013] In summary, the beneficial effects of this utility model are as follows: By using contact components, both the first and second switch blocks can make contact with the components inside the enclosure, increasing the contact area between the lower grounding switch device and the components inside the enclosure. This avoids insufficient contact at a single end, which could lead to separation under vibration or external force during equipment operation, thereby improving the performance of the lower grounding switch device. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This utility model Figure 1 A schematic diagram of a partial three-dimensional structure; Figure 3 This is a three-dimensional structural diagram of the placement plate of this utility model; Figure 4 This utility model Figure 3 A schematic diagram of a partial three-dimensional structure; Figure 5 This utility model Figure 3 A schematic diagram of the left-side partial three-dimensional structure.

[0016] Legend: 1. Housing; 2. Transmission rod; 3. Placement plate; 4. Control rod; 5. Contact assembly; 51. Mounting plate; 52. Through hole; 53. Bolt; 54. Nut; 55. First switch block; 56. Second switch block; 57. Sleeve; 58. Spring; 59. Washer; 510. Auxiliary plate. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" or "linked" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can refer to a mechanical connection or an electrical connection; it can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] Figures 1 to 5 The improved grounding switch device for the load switch and fuse combination appliance shown includes a housing 1, a transmission rod 2 inside the housing 1, a placement plate 3 inside the housing 1, and a control rod 4 on one side of the placement plate 3. The transmission rod 2 is connected to the control rod 4. Several contact components 5 are provided on one side of the control rod 4. The contact components 5 contact the components inside the housing 1 through a first switch block 55 and a second switch block 56, increasing the contact area between the grounding switch device and the components inside the housing 1. During maintenance of the load switch and fuse combination appliance, the transmission rod 2 inside the housing 1 rotates the control rod 4 on one side of the placement plate 3. Then, the first switch block 55 and the second switch block 56 on the surface of the control rod 4 contact the components inside the housing 1, conducting the internal current of the components for grounding protection.

[0020] Figures 1 to 5 The contact assembly 5 shown includes several mounting plates 51, through holes 52 formed on the surface of the mounting plates 51, bolts 53, nuts 54, a first switch block 55, and a second switch block 56. The mounting plates 51 are arranged in pairs on one side of the control lever 4. Bolts 53 pass through the through holes 52 of two mounting plates 51, the first switch block 55, and the second switch block 56. Nuts 54 are threaded to one side of the bolts 53 to secure them. The first switch block 55 and the second switch block 56 are made of copper to improve conductivity.

[0021] Figures 1 to 5As shown, when using the contact assembly 5, the first switch block 55 and the second switch block 56 are placed on the surface of the mounting plate 51 fixed to the control rod 4. Then, the bolt 53 is moved so that it passes through the through hole 52 on the surface of the mounting plate 51 and through the first switch block 55 and the second switch block 56 to support and fix the first switch block 55 and the second switch block 56. Then, the nut 54 is rotated so that the nut 54 is threadedly connected to the bolt 53 to fix the position of the bolt 53. Then, when the control rod 4 rotates with the mounting plate 51, the mounting plate 51 will bring the first switch block 55 and the second switch block 56 into contact with the components inside the housing 1. By using the contact assembly 5, the first switch block 55 and the second switch block 56 can both contact the components inside the housing 1, increasing the contact area between the lower grounding switch device and the components inside the housing 1. This avoids insufficient contact at a single end, which could lead to separation under vibration or external force during equipment operation, thereby improving the performance of the lower grounding switch device.

[0022] Figures 1 to 5 A sleeve 57 is fitted onto the surface of the bolt 53, and the sleeve 57 is positioned between the first switch block 55 and the second switch block 56. By fitting the sleeve 57 onto the surface of the bolt 53 and positioning the sleeve 57 between the first switch block 55 and the second switch block 56, the distance between the first switch block 55 and the second switch block 56 is limited, thereby making the first switch block 55 and the second switch block 56 more stably fixed to the surface of the mounting plate 51.

[0023] Figures 1 to 5 A spring 58 is abutted against one side of the nut 54, and the spring 58 is connected to a sleeve 57 on the other side. The spring 58 is fitted onto the surface of the bolt 53. When the nut 54 rotates on the surface of the bolt 53, it compresses and deforms the spring 58, forming continuous elastic pressure to counteract the loosening of the nut 54 caused by vibration and impact. Simultaneously, it disperses the local pressure of the nut 54 on the sleeve 57, improving the performance of the sleeve 57. A washer 59 is provided between the nut 54 and the spring 58 to increase the contact area between them. By placing the washer 59 between the nut 54 and the spring 58 and abutting against them, the contact area is increased, allowing the nut 54 to better compress the spring 58. The washer 59 also reduces wear on the nut 54 and spring 58, thus extending the service life of both the spring 54 and the nut 54.

[0024] Figures 1 to 5An auxiliary plate 510 is provided on one side of the internal components of the housing 1 shown. The auxiliary plate 510 is adapted to the spacing between the first switch block 55 and the second switch block 56. By fixing the auxiliary plate 510 to one side of the internal components of the housing 1, a whole is formed. Then, the first switch block 55 and the second switch block 56 contact the auxiliary plate 510, thereby increasing the contact area between the components and the first switch block 55 and the second switch block 56, and thus improving the performance of the contact assembly 5. The first switch block 55 and the second switch block 56 are bent closer together on the side away from the control lever 4, thereby reducing the spacing between the first switch block 55 and the second switch block 56. By bending the first switch block 55 and the second switch block 56 closer together on the side away from the control lever 4, the contact between the first switch block 55 and the second switch block 56 and the auxiliary plate 510 is made tighter, thereby improving the performance of the first switch block 55 and the second switch block 56.

[0025] Working principle: When the load switch and fuse are combined electrical appliances, the transmission rod 2 inside the box 1 will cause the control rod 4 on one side of the placement plate 3 to rotate. Then, the surface of the control rod 4 contacts the first switch block 55 and the second switch block 56 in the assembly 5, and contacts the internal components of the box 1 to conduct the internal current of the components and provide grounding protection. When using the contact assembly 5, the first switch block 55 and the second switch block 56 are placed on the surface of the mounting plate 51 fixed to the control rod 4. Then, the bolt 53 is moved so that it passes through the through hole 52 on the surface of the mounting plate 51 and through the first switch block 55 and the second switch block 56 to support and fix the first switch block 55 and the second switch block 56. Then, the nut 54 is rotated so that the nut 54 is threadedly connected to the bolt 53 to fix the position of the bolt 53. When the control rod 4 rotates with the mounting plate 51, the mounting plate 51 will bring the first switch block 55 and the second switch block 56 into contact with the components inside the housing 1. By using the contact assembly 5, both the first switch block 55 and the second switch block 56 can contact the components inside the housing 1, increasing the contact area between the lower grounding switch device and the components inside the housing 1. This avoids insufficient contact at a single end, which could lead to separation under vibration or external force during equipment operation, thereby improving the performance of the lower grounding switch device.

[0026] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or equivalent variations to the disclosed technical content and apply them to other fields. However, any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model, without departing from the scope of the utility model's technical solution, shall still fall within the protection scope of this utility model's technical solution. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through specific circumstances.

Claims

1. An improved grounding switchgear for a combination of load switch and fuse, comprising a housing (1), characterized in that: The housing (1) is equipped with a transmission rod (2) and a placement plate (3). A control rod (4) is provided on one side of the placement plate (3). The transmission rod (2) is connected to the control rod (4). A number of contact components (5) are provided on one side of the control rod (4). The contact components (5) contact the components inside the housing (1) through the first switch block (55) and the second switch block (56), thereby increasing the contact area between the grounding switch device and the components inside the housing (1).

2. The improved grounding switch device for the load switch and fuse combination appliance according to claim 1, characterized in that: The contact assembly (5) includes several mounting plates (51), through holes (52) formed on the surface of the mounting plates (51), bolts (53), nuts (54), a first switch block (55) and a second switch block (56). The mounting plates (51) are arranged in pairs on one side of the control rod (4). The bolts (53) pass through the through holes (52) of the two mounting plates (51), the first switch block (55) and the second switch block (56). The nuts (54) are threaded to one side of the bolts (53) to fix the bolts (53).

3. The improved grounding switch device for the load switch and fuse combination appliance according to claim 2, characterized in that: A sleeve (57) is fitted on the surface of the bolt (53), and the sleeve (57) is located between the first switch block (55) and the second switch block (56).

4. The improved grounding switch device for the load switch and fuse combination appliance according to claim 3, characterized in that: One side of the nut (54) abuts against a spring (58), and one side of the spring (58) is connected to a sleeve (57). The spring (58) is sleeved on the surface of the bolt (53).

5. The improved grounding switch device for the load switch and fuse combination appliance according to claim 4, characterized in that: A washer (59) is provided between the nut (54) and the spring (58) to increase the contact area between the nut (54) and the spring (58).

6. The improved grounding switch device for the load switch and fuse combination appliance according to claim 5, characterized in that: An auxiliary plate (510) is provided on one side of the internal components of the housing (1), and the auxiliary plate (510) is adapted to the spacing between the first switch block (55) and the second switch block (56).

7. The improved grounding switch device for the load switch and fuse combination appliance according to claim 6, characterized in that: The first switch block (55) and the second switch block (56) are bent and brought closer together on the side away from the control lever (4) to reduce the distance between the first switch block (55) and the second switch block (56).

Images