Valve mechanism of high-voltage switch cabinet

Abstract

The utility model relates to a valve mechanism of a high-voltage switch cabinet. The technical problem to be solved by the utility model is to provide a valve mechanism of a high-voltage switch cabinet. According to the technical scheme, the cabinet body middle partition plate structure comprises a cabinet body middle partition plate, a movable door plate assembly, a valve driving mechanism and a guide support assembly, the guide support assembly comprises a guide support and a pre-tightening spring, and the guide support comprises a support installation portion. The end part of the bracket mounting part is inwards and vertically bent to respectively form a bracket upper butt joint part, a bracket first side limiting part and a bracket second side limiting part, a bracket mounting hole is formed in the bracket mounting part, one end of the bracket upper butt joint part horizontally extends to form a bracket guide part, and a bracket guide hole is formed in the bracket guide part. The valve mechanism of the high-voltage switch cabinet has the advantages that the guide support assembly is additionally arranged, the movable door plate assembly is guided and limited when opened or closed, it is ensured that the movable door plate assembly acts stably and reliably, and deviation occurring in long-term use is reduced.

Description

Technical Field

[0001] The utility model relates to a valve mechanism of a high-voltage switch cabinet. Background Art

[0002] The valve mechanism of a high-voltage switchgear is a component of the removable AC metal-enclosed switchgear and control equipment used in high-voltage switchgear. It has two convertible positions. In the open position, it allows the movable contact of the removable component to engage with the energized static contact; in the closed position, it becomes part of the partition, covering the static contact. Generally, the valve mechanism of a high-voltage switchgear includes a partition in the cabinet body, a movable door panel assembly, and a valve driving mechanism that drives the movable door panel assembly. The existing valve mechanism of a high-voltage switchgear has the following problems in actual use: the movable door panel assembly does not have a guide and limit device when opening and closing, making the movement unstable and unreliable, and prone to displacement deviation in long-term use; the movable door panel assembly is affected by gravity for a long time, and gaps are prone to appear in the closed state, affecting the safety in the closed state and posing a safety hazard. Improvements and optimizations are made to address the above problems. Utility Model Content

[0003] In order to solve the above problems, the technical problem to be solved by the present invention is to provide a high-voltage switch cabinet valve mechanism.

[0004] The technical solution adopted by the valve mechanism of the high-voltage switch cabinet of the utility model is characterized in that it includes a cabinet middle partition, a movable door panel assembly, a valve driving mechanism that drives the movable door panel assembly to move, a guide bracket assembly fixed on the cabinet middle partition and used for guiding and limiting the movable door panel assembly, the guide bracket assembly includes a guide bracket and a pre-tightening spring, the guide bracket includes a bracket mounting portion, the end portion of the bracket mounting portion is vertically bent inward to form a bracket upper docking portion, a bracket first side limiting portion and a bracket second side limiting portion respectively, the bracket mounting portion is provided with a bracket mounting hole, one end of the bracket upper docking portion extends horizontally to form a bracket guide portion, the bracket guide portion is provided with a bracket guide hole, the cabinet middle partition is provided with a middle partition body, both sides of the middle partition body are bent to form middle partition side portions, the middle partition body is provided with a middle partition docking hole, and the middle partition body is provided with a waist-shaped adjustment hole that is transversely arranged and corresponds to the bracket mounting hole;

[0005] The movable door panel assembly includes an upper door panel and a lower door panel connected to the middle partition panel docking hole, a guide rod, a long connecting rod and a short connecting rod, and door panel docking ends are provided at both ends of the upper door panel and the lower door panel, and the door panel docking ends include a door panel docking body, and the upper and lower end portions of the door panel docking body are bent vertically inward to form a door panel docking portion, and the door panel docking portion is provided with a door panel docking hole, and the guide rod is passed through the door panel docking hole and the bracket guide hole, and the pre-tightening spring is sleeved on the guide rod, one end of which rests on the door panel docking portion and the other end rests on the bracket guide portion.

[0006] The other end of the docking portion on the bracket extends horizontally to form a first limiting protrusion of the bracket, and one end of the guide portion of the bracket extends horizontally to form a second limiting protrusion of the bracket. The side of the middle partition is provided with a first limiting opening of the middle partition that is connected to the first limiting protrusion of the bracket, and the middle partition body is provided with a second limiting opening of the middle partition that is connected to the second limiting protrusion of the bracket.

[0007] The guide bracket assembly also includes an adjusting screw. A bracket side threaded hole is provided on the first side limit portion of the bracket, and a middle partition side hole is provided on the side portion of the middle partition. The adjusting screw passes through the middle partition side hole and is threadedly connected to the bracket side threaded hole.

[0008] The bracket guide portion is provided with a spring sleeve surrounding edge outside the bracket guide hole for sleeve installation of the preloaded spring.

[0009] The second side limiting portion of the bracket is bent vertically inward to form a bracket stop portion for limiting the action of the long connecting rod.

[0010] The advantages of the high-voltage switch cabinet movable door mechanism of the utility model are: a guide bracket assembly is added, and the movable door panel assembly is guided and limited when opening or closing, ensuring its smooth and reliable movement and reducing the deviation during long-term use; the pre-tightened spring design improves the stability of the door panel in the closed state, prevents the influence of gravity from causing gaps, and ensures safety; it is flexible to adjust, has stronger adaptability, and has a long overall product life. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0012] Figure 1 This is a structural diagram of the valve mechanism of the high-voltage switch cabinet of the utility model;

[0013] Figure 2 This is an exploded view of the guide bracket assembly of the utility model;

[0014] Figure 3 This is a structural diagram of the guide bracket of the utility model;

[0015] Figure 4 This is a structural diagram of the partition in the cabinet of the utility model;

[0016] Figure 5 yes Figure 4 Magnified image of;

[0017] Figure 6 This is a structural diagram of the movable door panel assembly of the utility model;

[0018] Figure 7 It is a structural schematic diagram of the upper door panel of the utility model. DETAILED DESCRIPTION

[0019] like Figure 1-7As shown, the high-voltage switch cabinet valve mechanism involved in the present invention includes a cabinet middle partition 1, a movable door panel assembly 2, a valve driving mechanism 3 for driving the movable door panel assembly 2, and a guide bracket assembly 4 fixed to the cabinet middle partition 1 and used for guiding and limiting the movable door panel assembly 2. The guide bracket assembly 4 includes a guide bracket 6 and a preload spring 7. The guide bracket 6 includes a bracket mounting portion 10. The end of the bracket mounting portion 10 is vertically bent inward to form a bracket upper docking portion 11, a bracket first side limiting portion 12 and a bracket second side limiting portion. The bracket mounting portion 13 is provided with a bracket mounting hole 14 on the bracket mounting portion 10, one end of the bracket upper docking portion 11 extends horizontally to form a bracket guide portion 15, and the bracket guide portion 15 is provided with a bracket guide hole 16. The cabinet body partition 1 is provided with a partition body 31, and both sides of the partition body 31 are bent to form a partition side portion 32. The partition body 31 is provided with a partition docking hole 33, and the partition body 31 is provided with a waist-shaped adjustment hole 34 that is horizontally arranged and corresponds to the bracket mounting hole 14. The waist-shaped adjustment hole 34 allows the bracket position to be slightly adjusted left and right. Adjustment, stronger adaptability, improved equipment compatibility and installation convenience; the movable door panel assembly 2 includes an upper door panel 20 and a lower door panel 21, a guide rod 22, a long connecting rod 23 and a short connecting rod 24 that are connected to the docking hole 33 of the middle partition plate. Both ends of the upper door panel 20 and the lower door panel 21 are provided with a door panel docking end, and the door panel docking end includes a door panel docking body 26, and the upper and lower ends of the door panel docking body 26 are vertically bent inward to form a door panel docking portion 27, and the door panel docking portion 27 is provided with a door panel docking hole 30. The guide rod 22 is inserted into the door panel docking hole 33. The connecting hole 30 and the bracket guide hole 16, the pre-tightening spring 7 is sleeved on the guide rod 22, one end of which is against the door panel docking part 27 and the other end is against the bracket guide part 15, and a guide bracket 6 is added. The movable door panel assembly 2 is guided and limited when opening or closing, ensuring its smooth and reliable movement and reducing the deviation during long-term use. The pre-tightening spring 7 provides a spring support force when the movable door panel assembly 2 is in the closed state. The design of the pre-tightening spring 7 improves the stability of the door panel in the closed state, prevents the influence of gravity from causing gaps, and ensures safety.

[0020] The other end of the upper docking portion 11 of the bracket extends horizontally to form a first limiting protrusion 36 of the bracket, and one end of the bracket guide portion 15 extends horizontally to form a second limiting protrusion 37 of the bracket. The side portion 32 of the middle partition is provided with a first limiting opening 38 of the middle partition connected to the first limiting protrusion 36 of the bracket, and the middle partition body 31 is provided with a second limiting opening 39 of the middle partition connected to the second limiting protrusion 37 of the bracket. Multiple limiting structures are provided to further reduce structural wear, make the guide bracket structure more firm and stable, and improve the overall life.

[0021] The guide bracket assembly 4 also includes an adjusting screw 8. A bracket side threaded hole 40 is provided on the first side limit portion 12 of the bracket, and a middle partition side hole 41 is provided on the middle partition side portion 32. The adjusting screw 8 passes through the middle partition side hole 41 and is threadedly connected to the bracket side threaded hole 40 to provide lateral support force, making the connection more firm and reliable and not easily damaged.

[0022] The bracket guide portion 15 is provided with a spring sleeve surrounding edge 43 outside the bracket guide hole 16 for sleeve mounting of the preload spring 7 , so as to ensure accurate positioning.

[0023] The second side limiting portion 13 of the bracket is bent vertically inward to form a bracket stopper 45 for limiting the movement of the long connecting rod 23, making the movement more stable and reliable.

[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention are included in the scope of protection of the present invention.

Claims

1. A high-voltage switchgear valve mechanism, characterized in that: The invention comprises a partition plate in the cabinet (1), a movable door panel assembly (2), a movable door driving mechanism (3) for driving the movable door panel assembly (2), and a guide bracket assembly (4) fixed on the partition plate in the cabinet (1) and used for guiding and limiting the movable door panel assembly (2). The guide bracket assembly (4) comprises a guide bracket (6) and a preload spring (7). The guide bracket (6) comprises a bracket mounting portion (10). The end of the bracket mounting portion (10) is vertically bent inward to form a bracket upper docking portion (11), a bracket first side limiting portion (12) and a bracket second side limiting portion (13). ), the bracket mounting portion (10) is provided with a bracket mounting hole (14), one end of the bracket upper docking portion (11) extends horizontally to form a bracket guide portion (15), the bracket guide portion (15) is provided with a bracket guide hole (16), the cabinet body middle partition (1) is provided with a middle partition body (31), both sides of the middle partition body (31) are bent to form middle partition side portions (32), the middle partition body (31) is provided with a middle partition docking hole (33), and the middle partition body (31) is provided with a waist-shaped adjustment hole (34) arranged transversely and corresponding to the bracket mounting hole (14); The movable door panel assembly (2) comprises an upper door panel (20) and a lower door panel (21) connected to the middle partition panel docking hole (33), a guide rod (22), a long connecting rod (23) and a short connecting rod (24), both ends of the upper door panel (20) and the lower door panel (21) are provided with door panel docking ends, the door panel docking ends include a door panel docking body (26), the upper and lower ends of the door panel docking body (26) are vertically bent inward to form a door panel docking portion (27), the door panel docking portion (27) is provided with a door panel docking hole (30), the guide rod (22) is inserted into the door panel docking hole (30) and the bracket guide hole (16), the preload spring (7) is sleeved on the guide rod (22), one end of the preload spring abuts against the door panel docking portion (27) and the other end of the preload spring abuts against the bracket guide portion (15).

2. The high-voltage switch cabinet valve mechanism according to claim 1, characterized in that: The other end of the upper docking portion (11) of the bracket extends horizontally to form a first limiting protrusion (36) of the bracket, and one end of the bracket guide portion (15) extends horizontally to form a second limiting protrusion (37) of the bracket. The side portion (32) of the middle partition is provided with a first limiting opening (38) of the middle partition corresponding to the first limiting protrusion (36) of the bracket, and the main body (31) of the middle partition is provided with a second limiting opening (39) of the middle partition corresponding to the second limiting protrusion (37) of the bracket.

3. The high-voltage switch cabinet valve mechanism according to claim 1, characterized in that: The guide bracket assembly (4) further includes an adjusting screw (8), a bracket side threaded hole (40) is provided on the bracket first side limit portion (12), a middle partition plate side hole (41) is provided on the middle partition plate side portion (32), and the adjusting screw (8) passes through the middle partition plate side hole (41) and is threadedly connected to the bracket side threaded hole (40).

4. The high-voltage switch cabinet valve mechanism according to claim 1, characterized in that: The bracket guide portion (15) is provided with a spring sleeve surrounding edge (43) outside the bracket guide hole (16) for sleeve-mounting the preload spring (7).

5. The high-voltage switch cabinet valve mechanism according to claim 1, characterized in that: The second side limiting portion (13) of the bracket is bent vertically inward to form a bracket stop portion (45) for limiting the movement of the long connecting rod (23).

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