A static contact for a disconnecting switch

Abstract

The utility model relates to the technical field of disconnecting switch, concretely is a static contact for disconnecting switch, the utility model discloses, including contact seat, one side of contact seat is equipped with adjusting device, the adjusting device includes guide rail, one side of guide rail is fixedly connected with contact seat, the outside slide coupling of guide rail has two sliding plates, one side fixedly connected with side plate of sliding plate, one side fixedly connected with two springs of side plate, one end fixedly connected with contact finger of two springs, one side fixedly connected with fixed plate of sliding plate, one side fixedly connected with internal thread ring of fixed plate, the internal thread ring is connected with the fixed screw rod of position in the inside thread, one end fixedly connected with the anti -skid block of fixed screw rod. The problem that fixed contact finger interval of traditional static contact for disconnecting switch, if contact finger interval and moving contact do not match, need to replace the whole static contact component, not only increase the cost of spare parts, but also prolong the maintenance cycle.

Description

Technical Field

[0001] This utility model relates to the field of disconnecting switch technology, and in particular to a stationary contact for disconnecting switches. Background Technology

[0002] The stationary contact of a disconnecting switch is one of the key conductive components in the disconnecting switch. It works in conjunction with the moving contact to complete the circuit's conduction and isolation functions. The stationary contact is a "fixed" conductive contact point, while the moving contact is a "movable" conductive contact point. The two work together to control the circuit's on / off state.

[0003] In the existing technology, although the fixed design of the contact finger spacing of the stationary contact of the disconnecting switch can meet the requirements of normal working conditions, different models of disconnecting switches have different requirements for the contact finger spacing due to differences in design parameters. If the contact finger spacing does not match the moving contact, the entire stationary contact assembly needs to be replaced, which not only increases the cost of spare parts, but also extends the maintenance cycle. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that in the existing technology, the contact finger spacing of the stationary contact of the disconnecting switch is fixed. If the contact finger spacing does not match the moving contact, the entire stationary contact assembly needs to be replaced, which not only increases the cost of spare parts, but also extends the maintenance cycle. Therefore, a stationary contact for disconnecting switches is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a stationary contact for a disconnecting switch, comprising a contact seat, an adjusting device on one side of the contact seat, the adjusting device comprising a guide rail, one side of the guide rail being fixedly connected to the contact seat, two sliding plates being slidably connected to the outside of the guide rail, a side plate being fixedly connected to one side of the sliding plate, two springs being fixedly connected to one side of the side plate, a contact finger being fixedly connected to one end of the two springs, a fixing plate being fixedly connected to one side of the sliding plate, an internal threaded ring being fixedly connected to one side of the fixing plate, a positioning screw being threaded into the internal thread of the internal threaded ring, and an anti-slip block being fixedly connected to one end of the positioning screw.

[0006] The effect achieved by the above components is that the positioning screw rotates under force, causing the anti-sliding block to eliminate contact with the guide rail, thereby eliminating the limitation on the fixed plate, moving the side plate, and allowing the slide plate to slide on the guide rail, with the spring driving the contact finger to move synchronously.

[0007] Preferably, two limiting rods are fixedly connected to one side of the touch finger, and the arc surfaces of the two limiting rods are slidably connected to the side plate.

[0008] The aforementioned components achieve the following effect: the movement of the touch finger causes the limiting rod to slide on the side plate, preventing the touch finger from shifting its position during movement.

[0009] Preferably, a U-shaped plate is fixedly connected to one side of the skateboard.

[0010] The effect achieved by the above components is that the movement of the skateboard drives the U-shaped board to move synchronously.

[0011] Preferably, two slide rods are slidably connected to one side of the two U-shaped plates.

[0012] The effect achieved by the above components is that the U-shaped plate moves and slides on the slide bar.

[0013] Preferably, both ends of the slide rod are fixedly connected to concave plates, and the inner sides of the four concave plates are fixedly connected to the guide rail.

[0014] The effect achieved by the above components is to fix the position of the slide rod by fixing the concave plate on the guide rail.

[0015] Preferably, a stabilizing device is provided on one side of the side panel. The stabilizing device includes two fixing frames. One side of the fixing frame is fixedly connected to the side panel, and four telescopic rods are fixedly connected to one side of the fixing frame.

[0016] The aforementioned components achieve the following effect: the telescopic rod is fixed to the fixed frame, and the fixed frame is fixed to the side plate.

[0017] Preferably, the output ends of the four telescopic rods are fixedly connected to a stabilizing frame, and one side of the stabilizing frame is fixedly connected to the touch finger.

[0018] The effect achieved by the above components is that the movement of the finger drives the synchronous displacement of the stabilizing frame, thereby extending and retracting the output end of the telescopic rod.

[0019] Preferably, a connecting plate is fixedly connected to the inner side of the stabilizing frame, and a circular block is fixedly connected to one side of the connecting plate.

[0020] The effect achieved by the above components is that the round block is fixed on the connecting plate, and the connecting plate is fixed on the stabilizing frame.

[0021] Preferably, the circular block has a sleeve slidably connected to its arc surface, and one end of the sleeve is fixedly connected to the side plate.

[0022] The effect achieved by the above components is that the circular block moves and slides within the sleeve.

[0023] In summary, the beneficial effects of this utility model are as follows: In this invention, by means of an adjustment device, when it is necessary to adjust the finger spacing, loosening the positioning screw causes the anti-slip block to release its limit on the fixed plate, moving the side plate causes the slide plate to slide along the guide rail, and adjusting the finger spacing to the required position through the linkage of the spring and the limit rod. Tightening the positioning screw causes the anti-slip block to press against the guide rail to fix the finger. Through the adjustment device, the problem of fixed finger spacing of static contacts in traditional disconnect switches is solved. If the finger spacing does not match the moving contact, the entire static contact assembly needs to be replaced, which not only increases the cost of spare parts but also extends the maintenance cycle.

[0024] In this invention, a stabilizing device is used to fix the stabilizing frame to the contact finger when it is necessary to stabilize it. The stabilizing frame and the side plate are connected by a telescopic rod to form a limit. When the stabilizing frame is displaced, it drives the connecting plate to make the round block slide along the sleeve. The guide and limit structure constrains the position of the contact finger to prevent it from displaced, loosened or deviated, and ensures stable contact with the moving contact. The stabilizing device solves the problem that the contact finger of the static contact of the traditional disconnecting switch is prone to loosening or displacement after long-term use, which leads to contact failure. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the adjustment structure of this utility model; Figure 3 This is a partial structural diagram of the adjustment structure of this utility model; Figure 4 This is a structural diagram of the stable structure of this utility model.

[0026] Legend: 1. Contact seat; 2. Adjustment device; 201. Guide rail; 202. Slide plate; 203. Side plate; 204. Spring; 205. Contact finger; 206. Limiting rod; 207. Fixing plate; 208. Internal threaded ring; 209. Positioning screw; 210. Anti-slip block; 211. Concave plate; 212. Slide rod; 213. U-shaped plate; 3. Stabilizing device; 31. Fixing frame; 32. Telescopic rod; 33. Stabilizing frame; 34. Connecting plate; 35. Round block; 36. Sleeve. Detailed Implementation

[0027] Reference Figure 1 As shown, this utility model provides a technical solution: a stationary contact for a disconnecting switch, including a contact base 1, an adjustment device 2 on one side of the contact base 1, and a stabilizing device 3 on one side of the side plate 203.

[0028] The specific settings and functions of the adjustment device 2 and the stabilizing device 3 will be explained in detail below.

[0029] Reference Figure 2 and Figure 3As shown in this embodiment: the adjusting device 2 includes a guide rail 201, one side of which is fixedly connected to the contact seat 1. Two sliding plates 202 are slidably connected to the outside of the guide rail 201. A side plate 203 is fixedly connected to one side of the sliding plate 202. Two springs 204 are fixedly connected to one side of the side plate 203. A contact finger 205 is fixedly connected to one end of each spring 204. A fixing plate 207 is fixedly connected to one side of the sliding plate 202. An internal threaded ring 208 is fixedly connected to one side of the fixing plate 207. A positioning screw 209 is threaded into the inside of the internal threaded ring 208. An anti-slip block 210 is fixedly connected to one end of the positioning screw 209. This achieves the effect of the positioning screw 209 rotating under force, causing the anti-slip block 210 to eliminate contact with the guide rail 201, thereby eliminating the limitation on the fixing plate 207, moving the side plate 203, and causing the sliding plate 202 to slide on the guide rail 201. The springs 204 drive the contact finger 205 to move synchronously. Two limiting rods 206 are fixedly connected to one side of the touch finger 205, and the arc surfaces of the two limiting rods 206 are slidably connected to the side plate 203. This achieves the effect of the touch finger 205 moving to drive the limiting rods 206 to slide on the side plate 203, preventing the touch finger 205 from shifting position during movement. A U-shaped plate 213 is fixedly connected to one side of the slide plate 202. This achieves the effect of the slide plate 202 moving to drive the U-shaped plate 213 to move synchronously. Two sliding rods 212 are slidably connected to one side of the two U-shaped plates 213. This achieves the effect of the U-shaped plates 213 moving to slide on the sliding rods 212. Concave plates 211 are fixedly connected to both ends of the sliding rods 212, and the inner sides of the four concave plates 211 are fixedly connected to the guide rail 201. This achieves the effect of the concave plates 211 being fixed on the guide rail 201 to fix the position of the sliding rods 212.

[0030] Reference Figure 4 As shown in this embodiment: the stabilizing device 3 includes two fixed frames 31. One side of the fixed frame 31 is fixedly connected to the side plate 203, and four telescopic rods 32 are fixedly connected to one side of the fixed frame 31. This achieves the effect that the telescopic rods 32 are fixed to the fixed frame 31, and the fixed frame 31 is fixed to the side plate 203. The output ends of the four telescopic rods 32 are fixedly connected to a stabilizing frame 33, and one side of the stabilizing frame 33 is fixedly connected to a touch finger 205. This achieves the effect that the movement of the touch finger 205 drives the stabilizing frame 33 to move synchronously, causing the output ends of the telescopic rods 32 to extend and retract. A connecting plate 34 is fixedly connected to the inner side of the stabilizing frame 33, and a circular block 35 is fixedly connected to one side of the connecting plate 34. This achieves the effect that the circular block 35 is fixed to the connecting plate 34, and the connecting plate 34 is fixed to the stabilizing frame 33. A sleeve 36 is slidably connected to the arc surface of the circular block 35, and one end of the sleeve 36 is fixedly connected to the side plate 203. This achieves the effect that the circular block 35 moves and slides within the sleeve 36.

[0031] Working principle: When adjusting the distance between the two contact fingers 205, the operator first loosens the positioning screw 209 via the adjusting device 2, causing it to rotate away from the guide rail 201 along the internal thread ring 208. This releases the pressure between the anti-blocking slider 210 and the guide rail 201, thereby releasing the limitation on the fixing plate 207. Then, the side plate 203 is moved, and the sliding plate 202 slides smoothly along the guide rail 201. During the movement of the side plate 203, the contact fingers 205 move synchronously through the linkage of the spring 204 and the limiting rod 206, adjusting the distance between the two contact fingers 205 to the required position. After adjustment, Tightening the positioning screw 209 in the reverse direction causes the anti-slip block 210 to press tightly against the surface of the guide rail 201 to form a limit, thereby fixing the position of the fixing plate 207 to ensure the stability of the contact finger 205. During the movement of the sliding plate 202, the U-shaped plate 213 slides synchronously along the sliding rod 212, effectively guiding the contact finger 205 to move and preventing it from deviating. Through the adjustment device 2, the problem of fixing the spacing of the contact fingers 205 in the static contact of the traditional disconnector switch is solved. If the spacing of the contact fingers 205 does not match the moving contact, the entire static contact assembly needs to be replaced, which not only increases the cost of spare parts but also extends the maintenance cycle.

[0032] When the contact finger 205 needs to be stabilized using the stabilizing device 3, the operator first fixes the stabilizing frame 33 to the contact finger 205, then fixes the fixing frame 31 to the side plate 203. The telescopic rod 32 is used to connect the stabilizing frame 33 and the fixing frame 31 to form a limit on the stabilizing frame 33. When the stabilizing frame 33 moves, it simultaneously drives the connecting plate 34 to move, causing the round block 35 to slide along the inner wall of the sleeve 36. This guide and limit structure constrains the position of the contact finger 205, effectively preventing the contact finger 205 from shifting, loosening, or deviating during long-term operation, and ensuring stable contact between the contact finger 205 and the moving contact. The stabilizing device 3 solves the problem that the contact finger 205 of the traditional isolating switch is prone to loosening or shifting after long-term use, leading to contact failure.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A stationary contact for a disconnecting switch, comprising a contact base (1), characterized in that: An adjustment device (2) is provided on one side of the contact seat (1). The adjustment device (2) includes a guide rail (201). One side of the guide rail (201) is fixedly connected to the contact seat (1). Two sliding plates (202) are slidably connected to the outside of the guide rail (201). A side plate (203) is fixedly connected to one side of the sliding plate (202). Two springs (204) are fixedly connected to one side of the side plate (203). A contact finger (205) is fixedly connected to one end of the two springs (204). A fixing plate (207) is fixedly connected to one side of the sliding plate (202). An internal threaded ring (208) is fixedly connected to one side of the fixing plate (207). A positioning screw (209) is connected to the internal thread of the internal threaded ring (208). An anti-slip block (210) is fixedly connected to one end of the positioning screw (209).

2. The stationary contact for a disconnecting switch according to claim 1, characterized in that: Two limiting rods (206) are fixedly connected to one side of the touch finger (205), and the arc surfaces of the two limiting rods (206) are slidably connected to the side plate (203).

3. A stationary contact for a disconnecting switch according to claim 1, characterized in that: A U-shaped plate (213) is fixedly connected to one side of the skateboard (202).

4. A stationary contact for a disconnecting switch according to claim 3, characterized in that: Two slide rods (212) are slidably connected to one side of the two U-shaped plates (213).

5. A stationary contact for a disconnecting switch according to claim 4, characterized in that: Both ends of the slide bar (212) are fixedly connected to concave plates (211), and the inner sides of the four concave plates (211) are fixedly connected to the guide rail (201).

6. A stationary contact for a disconnecting switch according to claim 2, characterized in that: A stabilizing device (3) is provided on one side of the side plate (203). The stabilizing device (3) includes two fixing frames (31). One side of the fixing frame (31) is fixedly connected to the side plate (203), and four telescopic rods (32) are fixedly connected to one side of the fixing frame (31).

7. A stationary contact for a disconnecting switch according to claim 6, characterized in that: The output ends of the four telescopic rods (32) are fixedly connected to a stabilizing frame (33), and one side of the stabilizing frame (33) is fixedly connected to the touch finger (205).

8. A stationary contact for a disconnecting switch according to claim 7, characterized in that: A connecting plate (34) is fixedly connected to the inner side of the stabilizing frame (33), and a round block (35) is fixedly connected to one side of the connecting plate (34).

9. A stationary contact for a disconnecting switch according to claim 8, characterized in that: The circular block (35) has a sleeve (36) slidably connected to its arc surface, and one end of the sleeve (36) is fixedly connected to the side plate (203).

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