CN216353948U

CN216353948U - Contact seat with long service life for high-voltage switch

Info

Publication number: CN216353948U
Application number: CN202122747013.3U
Authority: CN
Inventors: 王希春; 赵冠强
Original assignee: Laiwu Wanjin Machinery Co ltd
Current assignee: Laiwu Wanjin Machinery Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-19
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a contact seat for a high-voltage switch, which has long service life and comprises a mounting seat, a mounting plate and a bottom plate, the upper end of the bottom plate is provided with an insulating cover, the upper end surface of the insulating cover is provided with two wire inlet holes, the mounting seat is arranged on one side of the upper end surface of the bottom plate, the upper end of the mounting seat is provided with a mounting groove, a conductive block is arranged in the mounting groove, the side end of the conductive block is rotationally connected with static contacts which are symmetrically distributed, the side end of the static contact is provided with a spring, the tail end of the spring is connected with the inner wall of the mounting groove, the two mounting plates are arranged on the upper end surface of the bottom plate and positioned at one side of the mounting seat, a threaded rod is rotatably arranged between the two mounting plates, the movable block is installed on the threaded rod in a threaded mode, the connecting rod is installed at the upper end of the movable block, the movable contact is installed at the tail end of the connecting rod, and the wiring boards are arranged on the upper end faces of the conductive block and the movable contact. The utility model has the advantages of stable contact connection, difficult looseness, protective structure and higher safety.

Description

Contact seat with long service life for high-voltage switch

Technical Field

The utility model relates to the technical field of contact seats, in particular to a contact seat for a high-voltage switch, which has long service life.

Background

The high-voltage switch (or called high-voltage circuit breaker) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of relay protection device when the system is in fault, and it has fairly perfect arc-extinguishing structure and enough current-breaking capacity, and the contact seat is an important component of high-voltage switch.

The contact seat moving contact and the static contact that use at present are connected stability relatively poor, produce the short circuit easily, do not have protective structure moreover, and the user is when using the electric shock condition appears easily carelessly, and the security is relatively poor, has certain danger.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a contact seat for a high-voltage switch, which has the advantages of stable contact connection, difficult looseness, protective structure and high safety, and solves the problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a long service life's contact seat for high tension switchgear, includes mount pad, mounting panel and bottom plate, the upper end of bottom plate is provided with the insulating boot, and two entrance holes have been seted up to the up end of insulating boot, the mount pad sets up in up end one side of bottom plate, and the mounting groove has been seted up to the upper end of mount pad, installs the conducting block in the mounting groove, and the side rotation of conducting block is connected with the static contact of symmetric distribution, the spring is installed to the side of static contact, and the end and the mounting groove inner wall connection of spring, two the mounting panel is installed and is located one side of mount pad at the bottom plate up end, rotates between two mounting panels and installs the threaded rod, the movable block is installed to the screw thread on the threaded rod, and the connecting rod is installed to the upper end of movable block, and the terminal department of connecting rod installs the moving contact.

Preferably, the upper end surface of the bottom plate is provided with a rectangular insulating cover groove, an insulating cover is inserted in the insulating cover groove, the side end surface of the bottom plate is provided with a threaded hole communicated with the insulating cover groove, a fastening screw is installed in the threaded hole, and the tail end of the fastening screw is in contact with the insulating cover.

Preferably, the upper end face of the bottom plate is provided with four mounting holes, and the four mounting holes are distributed in an array manner relative to the bottom plate.

Preferably, the upper end face of the bottom plate is provided with a limiting sliding groove, the lower end of the movable block is provided with a limiting sliding block, and the limiting sliding block is slidably mounted in the limiting sliding groove.

Preferably, the upper end faces of the conductive block and the moving contact are respectively provided with a wiring board, and wiring holes are formed in the wiring boards.

Preferably, the side end face of the mounting plate is rotatably provided with a rotating head, the rotating head is connected with the axis of the threaded rod, and the tail end of the rotating head extends out of the insulating cover.

Compared with the prior art, the utility model has the following beneficial effects: when the circuit breaker is in open circuit connection, the rotating head is manually rotated to rotate the threaded rod, the moving block can be moved to enable the moving contact to be in contact with the two static contacts to switch on a circuit, the static contacts are supported by the springs and can be clamped, the moving contact needs to be rotated by moving the threaded rod, the contacts can be stably connected and are not easy to loosen, the insulating cover is positioned on the outer side of the conductive structure, a user is not easy to get an electric shock during operation, the circuit breaker has a protection effect, and the installation performance is high.

Drawings

FIG. 1 is a front cross-sectional structural schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view from above of the present invention;

FIG. 3 is an enlarged schematic view of the utility model at A of FIG. 2;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic top view of the base plate of the present invention;

fig. 6 is a schematic side view of an end face of an insulating cover according to the present invention.

The reference numerals and names in the figures are as follows:

1. mounting holes; 2. an insulating cover; 3. a mounting seat; 4. a wiring board; 5. a connecting rod; 6. a movable block; 7. rotating the head; 8. mounting a plate; 9. a limiting slide block; 10. a threaded rod; 11. a moving contact; 12. a base plate; 13. mounting grooves; 14. static contact; 15. a spring; 16. a conductive block; 17. a limiting chute; 18. fastening screws; 19. a wire inlet hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, an embodiment of the present invention includes: a contact seat for a high-voltage switch with long service life comprises a mounting seat 3, mounting plates 8 and a bottom plate 12, wherein an insulating cover 2 is arranged at the upper end of the bottom plate 12, two wire inlet holes 19 are formed in the upper end surface of the insulating cover 2, the mounting seat 3 is arranged on one side of the upper end surface of the bottom plate 12, a mounting groove 13 is formed in the upper end of the mounting seat 3, a conductive block 16 is mounted in the mounting groove 13, the side end of the conductive block 16 is rotatably connected with static contacts 14 which are symmetrically distributed, a spring 15 is mounted at the side end of the static contact 14, the tail end of the spring 15 is connected with the inner wall of the mounting groove 13, the two mounting plates 8 are mounted on one side of the mounting seat 3 on the upper end surface of the bottom plate 12, a threaded rod 10 is rotatably mounted between the two mounting plates 8, a movable block 6 is mounted on the threaded rod 10 in a threaded manner, a connecting rod 5 is mounted at the upper end of the movable block 6, and a movable contact 11 is mounted at the tail end of the connecting rod 5, in the utility model, except for the wiring board 4, the fixed contacts 14, the movable contact 11 and the conducting block 16, other structures are made of insulating materials, in the use process, a circuit passes through the wire inlet 19 to be connected with the two wiring boards 4, when the circuit is disconnected, the rotating head 7 is manually rotated to rotate the threaded rod 10, the movable block 6 can be moved to enable the movable contact 11 to be in contact with the two fixed contacts 14 to switch on a circuit, the fixed contacts 14 are supported by the springs 15 to clamp the movable contact 11, the movable contact 11 needs to rotate the threaded rod 10 when moving, the connection of the contacts can be stable and is not easy to loosen, and the insulating cover 2 is positioned on the outer side of the conducting structure, so that a user is not easy to get an electric shock when in operation, the protection effect is achieved, and the installation performance is higher.

Specifically, the upper end face of the bottom plate 12 is provided with a rectangular insulation cover groove, the insulation cover 2 is inserted in the insulation cover groove, the side end face of the bottom plate 12 is provided with a threaded hole communicated with the insulation cover groove, a fastening screw 18 is installed in the threaded hole, and the tail end of the fastening screw 18 is in contact with the insulation cover 2.

Specifically, mounting holes 1 are formed in the upper end face of the bottom plate 12, four mounting holes 1 are formed in the bottom plate, and the four mounting holes 1 are distributed in an array mode relative to the bottom plate 12.

Specifically, the upper end face of the bottom plate 12 is provided with a limiting sliding groove 17, the lower end of the movable block 6 is provided with a limiting sliding block 9, and the limiting sliding block 9 is slidably mounted in the limiting sliding groove 17.

Specifically, the upper end surfaces of the conductive block 16 and the movable contact 11 are both provided with wiring boards 4, and wiring holes are formed in the wiring boards 4.

Specifically, the side end face of the mounting plate 8 is rotatably provided with a rotating head 7, the rotating head 7 is connected with the axis of the threaded rod 10, and the tail end of the rotating head 7 extends out of the insulating cover 2.

The working principle is as follows: the utility model is installed and fixed through the installation hole 1 on the bottom plate 12, the insulating cover 2 is taken down during wiring, a circuit passes through the wire inlet hole 19 to be connected with the two wiring boards 4, then the insulating cover 2 is installed again, when the circuit is disconnected, the rotating head 7 is rotated manually to rotate the threaded rod 10, the movable block 6 can be moved to enable the movable contact 11 to be in contact with the two static contacts 14 to connect a circuit, the static contacts 14 are supported through the springs 15 to clamp the movable contact 11, and the movable contact 11 needs to rotate the threaded rod 10 when moving, so that the contact connection is stable and is not easy to loosen, and the insulating cover 2 is positioned at the outer side of the conductive structure, so that a user is not easy to get an electric shock during operation, and the utility model has the protection effect and higher installation performance.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a long service life's contact seat for high-voltage switch, includes mount pad (3), mounting panel (8) and bottom plate (12), its characterized in that: the upper end of the bottom plate (12) is provided with an insulating cover (2), the upper end surface of the insulating cover (2) is provided with two wire inlet holes (19), the mounting seat (3) is arranged on one side of the upper end surface of the bottom plate (12), the upper end of the mounting seat (3) is provided with a mounting groove (13), a conductive block (16) is mounted in the mounting groove (13), the side end of the conductive block (16) is rotatably connected with static contacts (14) which are symmetrically distributed, the side end of each static contact (14) is provided with a spring (15), the tail end of each spring (15) is connected with the inner wall of the mounting groove (13), the two mounting plates (8) are mounted on one side of the upper end surface of the bottom plate (12) which is positioned on the mounting seat (3), a threaded rod (10) is rotatably mounted between the two mounting plates (8), a movable block (6) is mounted on the threaded rod (10), and a connecting rod (5) is mounted at the upper end of the movable block (6), the tail end of the connecting rod (5) is provided with a moving contact (11).

2. The contact block for the high-voltage switch with long service life according to claim 1, wherein: the upper end face of the bottom plate (12) is provided with a rectangular insulating cover groove, an insulating cover (2) is inserted in the insulating cover groove, a threaded hole communicated with the insulating cover groove is formed in the side end face of the bottom plate (12), a fastening screw (18) is installed in the threaded hole, and the tail end of the fastening screw (18) is in contact with the insulating cover (2).

3. The contact block for the high-voltage switch with long service life according to claim 1, wherein: mounting holes (1) are formed in the upper end face of the bottom plate (12), four mounting holes (1) are formed in the bottom plate, and the four mounting holes (1) are distributed in an array mode relative to the bottom plate (12).

4. The contact block for the high-voltage switch with long service life according to claim 1, wherein: the upper end face of the bottom plate (12) is provided with a limiting sliding groove (17), the lower end of the movable block (6) is provided with a limiting sliding block (9), and the limiting sliding block (9) is slidably mounted in the limiting sliding groove (17).

5. The contact block for the high-voltage switch with long service life according to claim 1, wherein: the upper end surfaces of the conductive block (16) and the movable contact (11) are respectively provided with a wiring board (4), and wiring holes are formed in the wiring boards (4).

6. The contact block for the high-voltage switch with long service life according to claim 1, wherein: the side end face of the mounting plate (8) is rotatably provided with a rotating head (7), the rotating head (7) is connected with the axis of the threaded rod (10), and the tail end of the rotating head (7) extends out of the insulating cover (2).