Rear door locking structure of double-bus isolation switch cabinet

Abstract

The utility model relates to the technical field of switch cabinet rear door locking structures, and discloses a rear door locking structure of a double-bus isolation switch cabinet, which comprises a cabinet body and a rear door movably mounted in the cabinet body. The locking structure assembly is fixedly mounted in the cabinet body; the locking structure assembly comprises an operating shaft part, a transmission part and a clamping part; the operating shaft part comprises a fixing seat, a protruding rod is arranged in the cabinet body, a switch contact is arranged in the cabinet body, an L-shaped rod is fixedly installed at the bottom of the fixing seat, a rear operating shaft is arranged in the cabinet body, and the fixing seat is fixedly installed in the cabinet body. According to the rear door locking structure, the rear transmission shaft and the clamping rod are movably installed, rotation of the clamping rod cannot be achieved only by rotating the rear transmission shaft, therefore, opening and closing of the locking structure cannot be achieved only through rotation of the rear transmission shaft, and the effect that the rear door locking structure cannot be easily opened is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rear door locking structures of switch cabinets, in particular to a rear door locking structure of a double busbar isolating switch cabinet. Background Art

[0002] The switch cabinet is an electrical equipment. The external line of the switch cabinet first enters the main control switch inside the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. Such as instruments, automatic control, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage room switch cabinets, with high-voltage busbars, such as power plants, etc. Some also have low-frequency load shedding to protect the main equipment.

[0003] At present, in actual application, the rear door locking structure of the double busbar disconnector cabinet is mostly realized by rotating the rear drive shaft. The locking effect of this structure is general and its safety needs to be improved. Utility Model Content

[0004] The utility model aims to provide a rear door locking structure of a double busbar isolating switch cabinet, so as to achieve the purpose of solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a rear door locking structure of a double busbar disconnecting switch cabinet, comprising:

[0006] A cabinet body, wherein a rear door is movably installed inside the cabinet body;

[0007] A locking structure component, wherein the locking structure component is fixedly installed inside the cabinet;

[0008] Wherein, the locking structure assembly includes an operating shaft portion, a transmission portion, and a clamping portion.

[0009] Preferably, the operating shaft portion includes a fixing seat, a convex rod is arranged inside the cabinet, a switch contact is arranged inside the cabinet, an L-shaped rod is fixedly installed on the bottom of the fixing seat, and a rear operating shaft is arranged inside the cabinet.

[0010] Preferably, the fixing seat is fixedly installed inside the cabinet, the convex rod is fixedly installed with the rear operating shaft, the switch contact is fixedly installed with the L-shaped rod, one end of the convex rod passes through the L-shaped rod and extends to the inside of the L-shaped rod, and one end of the rear operating shaft passes through the fixing seat and extends to the inside of the fixing seat.

[0011] Preferably, the transmission part includes a connecting cylinder, a movable block is movably installed inside the connecting cylinder, a clamping column is fixedly installed at equal intervals on the left side of the movable block, an electromagnet is fixedly installed inside the movable block, and a spring is fixedly connected to the left side of the movable block.

[0012] Preferably, the connecting tube is fixedly connected to the rear operating shaft, the circumference of the movable block passes through the connecting tube and extends to the inside of the connecting tube, and a square groove is provided inside the movable block.

[0013] Preferably, the clamping part includes a connecting seat, a connecting block is fixedly installed on the left side of the connecting seat, a clamping rod is fixedly installed inside the connecting block through threads, a square column is fixedly installed on the right side of the connecting block, and electromagnet 2 is fixedly installed inside the square column.

[0014] Preferably, one end of the connecting seat passes through the connecting tube and extends to the inside of the connecting tube, the connecting seat and the connecting tube are movably installed, the connecting block and the rear door are movably installed, and the clamping rod is clamped with the rear door.

[0015] Preferably, one end of the square column passes through the connecting seat and extends to the inside of the connecting seat, the connecting seat is fixedly connected to the spring, the square column is adapted to the square groove, and the square column is sleeved with the spring.

[0016] The utility model provides a rear door locking structure of a double busbar isolating switch cabinet, which has the following beneficial effects:

[0017] (1) The utility model is movably mounted between the rear transmission shaft and the latching rod. The latching rod cannot be rotated by rotating the rear transmission shaft alone. Therefore, the locking structure cannot be opened and closed by rotating the rear transmission shaft alone, thereby achieving the effect of ensuring that the rear door locking structure will not be easily opened.

[0018] (2) The utility model provides a clamping rod, and the clamping rod and the movable block are fixedly installed by threads, so the installation method is simple and the installation and removal of the clamping rod are convenient. Therefore, the rear door is easy to open, achieving the effect of simple installation and easy removal of the clamping rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is the front view of the utility model;

[0021] Figure 3 For this utility model Figure 2 A partial enlarged view of middle A;

[0022] Figure 4 For this utility model Figure 2 A magnified partial view of B.

[0023] In the figure: 1 cabinet, 2 rear door, 3 locking structure assembly, 31 operating shaft part, 311 fixing seat, 312 protruding rod, 313 switch contact, 314 L-shaped rod, 315 rear operating shaft, 32 transmission part, 321 connecting cylinder, 322 movable block, 323 clamping column, 324 electromagnet 1, 325 spring, 33 clamping part, 331 connecting seat, 332 connecting block, 333 clamping rod, 334 square column, 335 electromagnet 2. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] Example 1

[0027] A preferred embodiment of the rear door locking structure of a double busbar isolating switch cabinet provided by the utility model is as follows: Figure 1-4 Shown: A rear door locking structure of a double busbar disconnecting switch cabinet, comprising:

[0028] A cabinet body 1, wherein a rear door 2 is movably installed inside the cabinet body 1;

[0029] A locking structure component 3, the locking structure component 3 is fixedly installed inside the cabinet 1;

[0030] The locking structure assembly 3 includes an operating shaft portion 31, a transmission portion 32, and a clamping portion 33;

[0031] The operating shaft portion 31 includes a fixed seat 311, a convex rod 312 is arranged inside the cabinet 1, a switch contact 313 is arranged inside the cabinet 1, an L-shaped rod 314 is fixedly installed at the bottom of the fixed seat 311, a rear operating shaft 315 is arranged inside the cabinet 1, the fixed seat 311 is fixedly installed inside the cabinet 1, the convex rod 312 and the rear operating shaft 315 are fixedly installed, the switch contact 313 is fixedly installed with the L-shaped rod 314, one end of the convex rod 312 penetrates the L-shaped rod 314 and extends to the inside of the L-shaped rod 314, and one end of the rear operating shaft 315 penetrates the fixed seat 311 and extends to the inside of the fixed seat 311; the rotation of the rear operating shaft 315 drives the convex rod 312 to rotate, the convex rod 312 contacts the switch contact 313 fixedly installed on the L-shaped rod 314, the switch contact 313 is opened, and the switch contact 313 is electrically connected to the electromagnet 1 324 and the electromagnet 2 335.

[0032] Example 2

[0033] On the basis of Example 1, a preferred embodiment of the rear door locking structure of a double busbar disconnector cabinet provided by the utility model is as follows: Figure 1-4 As shown: the transmission part 32 includes a connecting cylinder 321, a movable block 322 is movably installed inside the connecting cylinder 321, a clamping column 323 is fixedly installed on the left circumference of the movable block 322 at equal intervals, an electromagnet 324 is fixedly installed inside the movable block 322, a spring 325 is fixedly connected to the left side of the movable block 322, the connecting cylinder 321 is fixedly connected to the rear operating shaft 315, the circumference of the movable block 322 passes through the connecting cylinder 321 and extends to the inside of the connecting cylinder 321, and a square groove is opened inside the movable block 322; before the switch contact 313 is not turned on, the rear transmission shaft 315 is rotated. 15. The rotation of the connecting tube 321 cannot drive the movable block 322 to rotate, and therefore cannot drive the locking rod 333 to rotate, and the locking rod 333 and the rear door 2 cannot be no longer locked, and the rear door 2 cannot be opened. When the switch contact 313 is turned on, the electromagnet 1 324 and the electromagnet 2 335 are energized to generate suction, the movable block 322 is adsorbed and moves to the left, the spring 325 contracts, the square groove inside the movable block 322 is locked with the square column 334, and the locking column 323 is locked with the locking groove inside the connecting tube 321. At this time, the rotation of the rear transmission shaft 315 is effective.

[0034] Example 3

[0035] On the basis of Example 2, a preferred embodiment of the rear door locking structure of a double busbar disconnector cabinet provided by the present invention is as follows: Figure 1-4As shown: the clamping part 33 includes a connecting seat 331, a connecting block 332 is fixedly installed on the left side of the connecting seat 331, a clamping rod 333 is fixedly installed inside the connecting block 332 through a thread, a square column 334 is fixedly installed on the right side of the connecting block 332, and an electromagnet 2 335 is fixedly installed inside the square column 334. One end of the connecting seat 331 passes through the connecting tube 321 and extends to the inside of the connecting tube 321. The connecting seat 331 and the connecting tube 321 are movably installed, the connecting block 332 is movably installed with the rear door 2, and the clamping rod 333 is fixedly installed inside the connecting block 332. 333 is clamped with the rear door 2, one end of the square column 334 passes through the connecting seat 331 and extends to the inside of the connecting seat 331, the connecting seat 331 is fixedly connected to the spring 325, the square column 334 is adapted to the square groove, and the square column 334 and the spring 325 are nested; the square groove is clamped with the square column 334, the rear transmission shaft 315 rotates to drive the connecting block 332 to rotate, and the clamping rod 333 threadedly installed with the connecting block 322 rotates, so the direction of the clamping rod 333 can be adjusted so that it is no longer clamped with the rear door, which is convenient for opening the rear door 2.

[0036] When in use, the rotation of the rear operating shaft 315 drives the protruding rod 312 to rotate, and the protruding rod 312 contacts the switch contact 313 fixedly installed on the L-shaped rod 314, the switch contact 313 is opened, and the switch contact 313 is electrically connected to the electromagnet 1 324 and the electromagnet 2 335. Before the switch contact 313 is turned on, the rear transmission shaft 315 is rotated, and the connecting cylinder 321 rotates, which cannot drive the movable block 322 to rotate, and therefore cannot drive the locking rod 333 to rotate, and the locking rod 333 cannot be no longer locked with the rear door 2, and the rear door 2 cannot be opened. When the switch contact 313 is opened, the electrical When magnet 1 324 and electromagnet 2 335 are energized to generate suction, movable block 322 is adsorbed and moves to the left, spring 325 contracts, the square groove inside movable block 322 is engaged with square column 334, and the column 323 is engaged with the groove inside connecting tube 321. At this time, the rotation of rear transmission shaft 315 is effective. The square groove is engaged with square column 334, and the rotation of rear transmission shaft 315 drives connecting block 332 to rotate, and the clamping rod 333 threadedly mounted on connecting block 322 rotates. Therefore, the direction of clamping rod 333 can be adjusted so that it is no longer engaged with the rear door, which facilitates the opening of rear door 2.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rear door locking structure of a double busbar disconnecting switch cabinet, characterized in that: include: A cabinet (1), wherein a rear door (2) is movably installed inside the cabinet (1); A locking structure component (3), wherein the locking structure component (3) is fixedly installed inside the cabinet (1); The locking structure assembly (3) comprises an operating shaft portion (31), a transmission portion (32), and a clamping portion (33).

2. The rear door locking structure of a double busbar disconnector cabinet according to claim 1 is characterized in that: The operating shaft portion (31) comprises a fixing seat (311), a protruding rod (312) is arranged inside the cabinet (1), a switch contact (313) is arranged inside the cabinet (1), an L-shaped rod (314) is fixedly mounted on the bottom of the fixing seat (311), and a rear operating shaft (315) is arranged inside the cabinet (1).

3. The rear door locking structure of a double busbar disconnector cabinet according to claim 2 is characterized in that: The fixing seat (311) is fixedly mounted inside the cabinet (1); the protruding rod (312) and the rear operating shaft (315) are fixedly mounted; the switch contact (313) and the L-shaped rod (314) are fixedly mounted; one end of the protruding rod (312) passes through the L-shaped rod (314) and extends to the inside of the L-shaped rod (314); and one end of the rear operating shaft (315) passes through the fixing seat (311) and extends to the inside of the fixing seat (311).

4. The rear door locking structure of a double busbar disconnector cabinet according to claim 1 is characterized in that: The transmission part (32) comprises a connecting cylinder (321), a movable block (322) is movably installed inside the connecting cylinder (321), a clamping column (323) is fixedly installed at equal intervals on the left side of the movable block (322), an electromagnet (324) is fixedly installed inside the movable block (322), and a spring (325) is fixedly connected to the left side of the movable block (322).

5. The rear door locking structure of a double busbar disconnector cabinet according to claim 4 is characterized in that: The connecting tube (321) is fixedly connected to the rear operating shaft (315); the circumference of the movable block (322) passes through the connecting tube (321) and extends to the interior of the connecting tube (321); and a square groove is provided inside the movable block (322).

6. The rear door locking structure of a double busbar disconnector cabinet according to claim 1 is characterized in that: The clamping part (33) comprises a connecting seat (331), a connecting block (332) is fixedly installed on the left side of the connecting seat (331), a clamping rod (333) is fixedly installed inside the connecting block (332) through a thread, a square column (334) is fixedly installed on the right side of the connecting block (332), and a second electromagnet (335) is fixedly installed inside the square column (334).

7. The rear door locking structure of a double busbar disconnector cabinet according to claim 6 is characterized in that: One end of the connecting seat (331) passes through the connecting tube (321) and extends to the interior of the connecting tube (321); the connecting seat (331) and the connecting tube (321) are movably mounted; the connecting block (332) and the rear door (2) are movably mounted; and the clamping rod (333) is clamped with the rear door (2).

8. The rear door locking structure of a double busbar disconnector cabinet according to claim 6 is characterized in that: One end of the square column (334) passes through the connecting seat (331) and extends to the inside of the connecting seat (331); the connecting seat (331) is fixedly connected to the spring (325); the square column (334) is adapted to the square groove; and the square column (334) and the spring (325) are sleeved.

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