Corrosion-resistant outdoor high-voltage alternating-current isolating switch

The design of the limit and ejection mechanism solves the problem of loose switch, improves the stability and safety of closing, reduces arc erosion, and enhances electrical performance.

CN223638269UActive Publication Date: 2025-12-05KUNSHAN DINGDUAN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422619095.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-12-05
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Existing outdoor high-voltage disconnect switches are prone to loosening of the knife after closing, leading to unstable power outages, and lack effective knife locking protection devices.

Method used

The design incorporates a limit mechanism and a pop-out mechanism. The limit mechanism secures the switch after it is closed, preventing it from becoming loose. The pop-out mechanism enables the switch to open quickly, preventing it from opening too slowly.

Benefits of technology

It improves the stability and safety of the switch closing, shortens the arc duration, reduces switch erosion, and enhances electrical performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a corrosion-resistant outdoor high-voltage alternating-current isolating switch, which particularly relates to the technical field of electric power systems and comprises a base, two insulators are fixedly connected to the top of the base, a gasket is fixedly connected to the tops of the two insulators, a first connecting seat is fixedly connected to the top of the gasket, and a limiting mechanism is fixedly connected to the top of the first connecting seat. The limiting mechanism comprises a positioning seat, the bottom of the positioning seat is fixedly connected with the upper surface of a first connecting seat, and the top of the first connecting seat is fixedly connected with a shell. According to the utility model, through the arrangement of the limiting mechanism, the switch blade after switching on can be limited, the problem of loosening of the switch blade during vibration is avoided, the switch blade can be rapidly fixed during switching on, the problem of virtual connection of the switch blade during switching on is avoided, and the switch blade is rapidly fixed, so that the switching-on and switching-off speed of the switch blade is increased, and the service life of the switch blade is prolonged. And the duration time of the arc is shortened, so that the erosion to the knife switch is reduced, and the safety and the stability of closing are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power system technical field more specifically, the utility model relates to the outdoor high -voltage AC disconnecting switch of corrosion resistance. BACKGROUND

[0002] Outdoor high -voltage disconnecting switch is mainly used in rural network and city network distribution system, and is used for cutting off and closing electric appliance under voltage no load condition;When disconnecting switch is in the position, there is the insulating distance and obvious disconnecting mark of meeting the prescribed requirements between contact;When closing, it can carry the current under normal loop condition and the current under abnormal condition (for example, short circuit) within the prescribed time of switching device.

[0003] The existing disconnecting switch has the problem that after closing, the switch blade is easy to open, causing power failure, and the consequences of one-time accidental power failure are very huge, and the disconnecting switch basically has no switch blade locking protection device.

[0004] Through the search, the patent with the announcement number CN221805382U discloses a corrosion-resistant outdoor high-voltage AC disconnecting switch, the utility model discloses a self-locking safety mechanism's safety hook and the occlusal mouth on the upper connection plate are mutually occluded under the action force of torsion spring, and after closing, it is self-locked, and it will not automatically open due to the effect of gravity or electric power, and it is safe to use;And the insulator adopts high electric porcelain insulator, the copper accessory is plated with silver and hot galvanized mounting base, has good antifouling and corrosion resistance, and is light in weight, convenient to install, does not need periodic cleaning and maintenance.

[0005] But the disconnecting switch has the problem that when closing the disconnecting switch, the switch blade is closed quickly by the staff, and due to different closing forces, the problem of unstable connection between the switch blade and the switch seat occurs, which affects the stability of closing. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a corrosion-resistant outdoor high-voltage AC disconnecting switch to solve the problems in the above background art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The utility model discloses an outdoor high -voltage AC disconnecting switch of outdoor high -voltage AC disconnecting switch of corrosion resistance, including base, the base top fixedly connected with two insulators, two the insulator top fixedly connected with the gasket, the gasket top fixedly connected with the first connecting seat, the first connecting seat top fixedly connected with the limiting mechanism, the limiting mechanism includes the locating seat, the locating seat bottom with the first connecting seat upper surface fixedly connected, the first connecting seat top fixedly connected with the shell, the shell inside fixedly connected with two first guide rod, the first guide rod outside bushing has the tension spring, the tension spring one side with the shell inner wall fixedly connected, the first guide rod outside slide connection has the pull plate, the tension spring other side with the pull plate outside fixedly connected, the pull plate outside with the shell inside slide connection, the pull plate one side fixedly connected with the connecting buckle, the connecting buckle outside with the shell outside slide connection, the pull plate top fixedly connected with the connecting buckle, the connecting buckle outside with the shell inner wall slide connection, the shell inside rotationally connected with telescopic guide rod, the telescopic guide rod outside with the pull plate inside rotationally connected.

[0009] By adopting the above technical scheme, the closing blade can be quickly limited during closing, the situation that the closing blade is loose after closing is avoided, and the two clamping plates can be quickly loosened, so that the closing blade can be quickly opened and closed.

[0010] As a further description of the above technical scheme, the locating seat is rotatably connected with the closing blade, the closing blade inner wall is fixedly connected with two fixed rods, the closing blade inner wall is fixedly connected with a connecting rod, the connecting rod outer side is rotatably connected with a pull ring, and the closing blade one side is fixedly connected with a clamping column.

[0011] By adopting the above technical scheme, the pull ring is pulled to facilitate the closing and opening operation of the closing blade.

[0012] As a further description of the above technical scheme, the locating seat is rotatably connected with the closing blade, the closing blade inner wall is fixedly connected with two fixed rods, the closing blade inner wall is fixedly connected with a connecting rod, the connecting rod outer side is rotatably connected with a pull ring, and the closing blade one side is fixedly connected with a clamping column.

[0013] By adopting the above technical scheme, when opening, the push rod can push the closing blade upward, the clamping column can be quickly separated from the gate seat, the opening is completed, and damage to the closing blade caused by slow opening is avoided.

[0014] The utility model discloses a technical effect and advantage:

[0015] By setting the limiting mechanism, compared with the prior art, the limiting mechanism can limit the contact after closing, avoid the problem of loose contact when vibrating, and quickly fix the contact when closing, avoid the problem of virtual connection when closing the contact, and the quick fixing of the contact makes the opening and closing speed of the contact faster, the duration of the electric arc is shortened, thereby reducing the erosion of the contact and improving the safety and stability of the closing;

[0016] By setting the pop-up mechanism, compared with the prior art, when opening the contact, the contact can be quickly popped up, the clamping column can be quickly disconnected from the contact seat, the problem of slow opening of the contact is avoided, and the problem of electrical performance decline is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the insulator and the second connecting seat of the utility model.

[0019] Figure 3 It is a schematic diagram of the connecting part of the clamping seat and the sliding block of the utility model.

[0020] Figure 4 It is a schematic diagram of the connecting part of the insulator and the first connecting seat of the utility model.

[0021] Figure 5 It is a schematic diagram of the connecting part of the contact and the pull ring of the utility model.

[0022] Figure 6 It is a schematic diagram of the cross-sectional structure of the shell of the utility model.

[0023] Figure 7 It is a schematic diagram of the Figure 6 It is an enlarged schematic diagram of A.

[0024] The reference signs are: 1, base; 2, insulator; 3, gasket; 4, first connecting seat; 5, positioning seat; 6, shell; 7, first guide rod; 8, tension spring; 9, pull plate; 10, connecting buckle; 11, clamping plate; 12, telescopic guide rod; 13, contact; 14, fixing rod; 15, connecting rod; 16, pull ring; 17, clamping column; 18, second connecting seat; 19, contact seat; 20, clamping seat; 21, sliding block; 22, push rod; 23, second guide rod; 24, spring; 25, top block. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the present application.

[0026] The application discloses an outdoor high-voltage AC disconnecting switch, comprising a base 1, the top of the base 1 is fixedly connected with two insulators 2, the top of the two insulators 2 is fixedly connected with a gasket 3, the top of the gasket 3 is fixedly connected with a first connecting seat 4, and the top of the first connecting seat 4 is fixedly connected with a limiting mechanism; the limiting mechanism comprises a positioning seat 5, the bottom of the positioning seat 5 is fixedly connected with the upper surface of the first connecting seat 4, the top of the first connecting seat 4 is fixedly connected with an outer shell 6, the inner part of the outer shell 6 is fixedly connected with two first guide rods 7, the outer side of the first guide rod 7 is sleeved with a tension spring 8, one side of the tension spring 8 is fixedly connected with the inner wall of the outer shell 6, the outer side of the first guide rod 7 is slidably connected with a pull plate 9, the other side of the tension spring 8 is fixedly connected with the outer side of the pull plate 9, the outer side of the pull plate 9 is slidably connected with the inner part of the outer shell 6, one side of the pull plate 9 is fixedly connected with a connecting buckle 10, the outer side of the connecting buckle 10 is slidably connected with the outer side of the outer shell 6, the top of the pull plate 9 is fixedly connected with the connecting buckle 10, the outer side of the connecting buckle 10 is slidably connected with the inner wall of the outer shell 6, the inner part of the outer shell 6 is rotatably connected with a telescopic guide rod 12, the outer side of the telescopic guide rod 12 is rotatably connected with the inner part of the pull plate 9, the connecting buckle 10 is pulled to drive the pull plate 9 and a clamping plate 11 to move to one side, and meanwhile the telescopic guide rod 12 is used for pushing the pull plate 9 and the clamping plate 11 on the other side, so that the two clamping plates 11 are loosened to limit the contact 13.

[0027] Referring to Figure 5 As shown in the figure, the outer side of the positioning seat 5 is rotatably connected with the contact 13, the inner wall of the contact 13 is fixedly connected with two fixed rods 14, the inner wall of the contact 13 is fixedly connected with a connecting rod 15, the outer side of the connecting rod 15 is rotatably connected with a pull ring 16, one side of the contact 13 is fixedly connected with a clamping column 17, and the pull ring 16 is pulled to drive the contact 13 to be operated to open and close.

[0028] Referring to Figure 2 and 3The one side insulator 2 top is provided with a pop-up mechanism, the pop-up mechanism includes a second connecting seat 18, the second connecting seat 18 bottom is fixedly connected with the insulator 2 top, the second connecting seat 18 top is fixedly connected with a gate seat 19, the second connecting seat 18 one side is fixedly connected with a clamping seat 20, the clamping seat 20 inner wall is slidably connected with a sliding block 21, the sliding block 21 inside is fixedly connected with a push rod 22, the sliding block 21 bottom is fixedly connected with two second guide rods 23, the second guide rod 23 outer side is sleeved with a spring 24, the spring 24 top end is fixedly connected with the sliding block 21 lower surface, the second guide rod 23 bottom is rotatably connected with a top block 25, the downward rotation top block 25 makes the top block 25 drive the second guide rod 23 and the sliding block 21 extrude the spring 24, makes the push rod 22 under the drive of two sliding blocks 21 move downward, and the gate blade 13 is closed.

[0029] The utility model discloses working principle: when using the outdoor high -voltage ac disconnecting switch of corrosion resistance to the high -voltage electricity and open the gate, first through the tool with one connection buckle 10 and pull out, make the connection buckle 10 drive the pull plate 9 and the clamping plate 11 move to the inner wall of the shell 6, and the pull plate 9 will push the telescopic guide rod 12 to rotate in the middle of the shell 6, the telescopic guide rod 12 will push the pull plate 9 of the other side to move in the process of rotation, make two clamping plates 11 can loosen the limit of gate blade 13, when the clamping post 17 of gate blade 13 one side and the clamping seat 20 of second connecting seat 18 top separate, in two springs 24 push the sliding block 21 and move upwards, the sliding block 21 and push rod 22 will push gate blade 13 upwards, make gate blade 13 can quickly separate from gate seat 19, then push the pull ring 16 and drive gate blade 13 rotate on the one side of the positioning seat 5, make gate blade 13 can be away from the one side of second connecting seat 18 and complete the opening of the gate.

[0030] When closing, first rotate the top block 25, make the top block 25 rotate and keep vertical with the outside of the clamping seat 20, under the pull of the top block 25, two sliding blocks 21 compress the second guide rod 23, then the sliding block 21 drive the push rod 22 to move downwards, make the push rod 22 avoid shielding gate blade 13 when closing, the clamping post 17 of gate blade 13 one side can quickly connect with gate seat 19, and two tension springs 8 pull the corresponding pull plate 9 and clamping plate 11 to limit one end of gate blade 13, make gate blade 13 can stably close and avoid loosening, finally complete the closing.

[0031] The contents not described in detail in the specification all belong to the prior art known to those skilled in the art, and the model parameters of various electric appliances are not specifically limited, and conventional equipment can be used, in the technical scheme, the electric appliance control elements not mentioned belong to the prior art, so they are not shown in the drawings, and will not be described here.

[0032] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A weatherproof outdoor high voltage AC disconnector comprising a base (1), characterized in that: The base (1) top fixedly connected with two insulators (2), two insulators (2) top fixedly connected with gasket (3), the gasket (3) top fixedly connected with the first connecting seat (4), the first connecting seat (4) top fixedly connected with the limiting mechanism; The limiting mechanism includes a positioning seat (5), the positioning seat (5) bottom and the first connecting seat (4) upper surface fixedly connected, the first connecting seat (4) top fixedly connected with a shell (6), the shell (6) is fixedly connected with two first guide rods (7) inside, the first guide rod (7) outside is sleeved with a tension spring (8), the tension spring (8) one side and the shell (6) inner wall fixedly connected, the first guide rod (7) outside is slidably connected with a pull plate (9), the tension spring (8) other side and the pull plate (9) outside fixedly connected, the pull plate (9) outside and the shell (6) inside slidably connected, the pull plate (9) one side fixedly connected with a connecting buckle (10), the connecting buckle (10) outside and the shell (6) outside slidably connected, the pull plate (9) top fixedly connected with a connecting buckle (10), the connecting buckle (10) outside and the shell (6) inner wall slidably connected, the shell (6) inside rotatably connected with a telescopic guide rod (12), the telescopic guide rod (12) outside and the pull plate (9) inside rotatably connected.

2. The corrosion resistant outdoor high voltage AC disconnector according to claim 1, characterized in that: The positioning seat (5) outside rotatably connected with a blade (13), the blade (13) inner wall fixedly connected with two fixed rods (14), the blade (13) inner wall fixedly connected with a connecting rod (15).

3. The corrosion-resistant outdoor high-voltage AC disconnector according to claim 2, characterized in that: The connecting rod (15) outside rotatably connected with a pull ring (16), the blade (13) one side fixedly connected with a clamping column (17).

4. The corrosion resistant outdoor high voltage AC disconnector according to claim 1, characterized in that: One side of the insulator (2) top is provided with a pop-up mechanism, the pop-up mechanism includes a second connecting seat (18), the second connecting seat (18) bottom and the insulator (2) top fixedly connected, the second connecting seat (18) top fixedly connected with a gate seat (19).

5. The corrosion-resistant outdoor high-voltage AC disconnector according to claim 4, characterized in that: The second connecting seat (18) one side fixedly connected with a clamping seat (20), the clamping seat (20) inner wall slidably connected with a sliding block (21).

6. The corrosion-resistant outdoor high-voltage AC disconnector according to claim 5, characterized in that: The sliding block (21) is fixedly connected with a push rod (22) inside, the sliding block (21) bottom fixedly connected with two second guide rods (23).

7. The corrosion-resistant outdoor high-voltage AC disconnector according to claim 6, characterized in that: The second guide rod (23) outside is sleeved with a spring (24), the spring (24) top end and the sliding block (21) lower surface fixedly connected, the second guide rod (23) bottom rotatably connected with a top block (25).

Citation Information

Patent Citations

  • Corrosion-resistant outdoor high-voltage alternating-current isolating switch

    CN221805382U