Door opening locking mechanism of high-voltage power distribution cabinet

Abstract

The utility model discloses a high-voltage power distribution cabinet door opening locking mechanism, which relates to the field of locking mechanisms and comprises a high-voltage power distribution cabinet body, a cabinet door is rotatably mounted on the high-voltage power distribution cabinet body, a lock is arranged on the high-voltage power distribution cabinet body, a spring bolt is arranged on the lock, two guide rings are mounted on the high-voltage power distribution cabinet body, and the two guide rings are the same as the axis of the cabinet door. According to the utility model, when the cabinet door needs to be opened, the lock can be opened by using a key, then the push plate is pushed to enable the limiting insertion rod to be separated from the positioning insertion hole I so as to relieve the limitation on the cabinet door, and then the cabinet door can be turned over to be opened, and the turned cabinet door can drive the limiting insertion rod to move to the positioning insertion hole II, so that the cabinet door can be opened. At the moment, a limiting insertion rod can be driven to be inserted into a second positioning insertion hole under the action of a spring, the unfolding angle of the cabinet door can be limited, the cabinet door is prevented from being pushed by external force or affected by wind and repeatedly shaking, therefore, workers are prevented from being interfered by shaking of the cabinet door in the maintenance process, and smooth maintenance work is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of locking mechanisms, in particular to a door opening and locking mechanism for a high-voltage distribution cabinet. Background Art

[0002] High-voltage distribution cabinets are a vital part of the power system. They play a key role in switching, controlling or protecting power generation, transmission, distribution, conversion and consumption.

[0003] In the prior art, the patent with publication number CN221568197U discloses a door opening and locking mechanism for a high-voltage distribution cabinet, which improves the locking effect of the cabinet door at multiple points, improves the locking reliability of the cabinet door, and improves the safety of use and the convenience of operation; it includes a distribution cabinet body and a cabinet door, the front end of the distribution cabinet body is provided with an opening, and the cabinet door is rotatably installed at the opening of the distribution cabinet body through a hinge; it also includes a limit assembly, a locking device, a turntable, two groups of guide sleeves, two groups of connecting arms and two groups of latches, the turntable is rotatably installed on the inner wall of the cabinet door, the two groups of guide sleeves are respectively installed on the upper and lower parts of the inner wall of the cabinet door, the ends of the two groups of connecting arms are respectively rotatably installed on the upper and lower parts of the outer wall of the turntable, the other ends of the two groups of connecting arms are respectively rotatably connected to the ends of the two groups of latches, and the two groups of latches are respectively slidably installed on the two groups of guide sleeves, and a limit assembly is provided on the inner wall of the distribution cabinet body, and the limit assembly is used to limit the two groups of latches.

[0004] However, the above patent does not provide a locking mechanism after the cabinet door is opened. Since some high-voltage distribution cabinets are installed outdoors, when the staff opens the cabinet door and inspects the distribution cabinet, the cabinet door is easily pushed by external force or affected by wind and shakes. The shaking cabinet door repeatedly collides with the staff, which will affect the staff's inspection and maintenance work. Therefore, a high-voltage distribution cabinet door opening and locking mechanism is needed to meet people's needs. Utility Model Content

[0005] The purpose of the utility model is to provide a door opening and locking mechanism for a high-voltage distribution cabinet to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a door opening and locking mechanism for a high-voltage distribution cabinet, comprising a high-voltage distribution cabinet body, a cabinet door rotatably mounted on the high-voltage distribution cabinet body, a lock provided on the high-voltage distribution cabinet body, a lock provided on the lock body, and a lock tongue, two guide rings installed on the high-voltage distribution cabinet body, both guide rings are aligned with the axis of the cabinet door, the cabinet door is movably mounted on the two guide rings, a plug-in structure is installed on the two guide rings, two connecting seats are installed on the plug-in structure, and a limiting structure is installed on the two connecting seats.

[0007] Preferably, the plug-in structure includes two positioning sockets 1 and two positioning sockets 2, the positioning socket 1 and the positioning socket 2 located on the same side are opened on the same guide ring, a guide strip is installed on one side of the cabinet door, and two limit sliders are slidably installed on one side of the guide strip, and limit rods are installed on the two limit sliders, and the two limit rods are respectively adapted to the corresponding positioning socket 1 and positioning socket 2.

[0008] Preferably, a T-shaped sliding hole is provided on the inner wall of the limit sliding block, a T-shaped bar is slidably installed in the T-shaped sliding hole, and the T-shaped bar is installed on one side of the guide bar.

[0009] Preferably, the same spring is installed on the side where the two limit sliders are close to each other.

[0010] Preferably, the cabinet door is provided with two arc-shaped holes, and the two guide rings are movably installed in the two arc-shaped holes respectively.

[0011] Preferably, the limiting structure includes a connecting rod, which is rotatably mounted on a connecting seat, which is mounted on one side of a limiting slider, and one end of the connecting rod is rotatably mounted on a limiting slider, a lock hole is provided on the limiting slider, and a lock tongue is movably installed in the lock hole, a push plate is installed on one side of the limiting slider, a movable hole is provided on the cabinet door, and the push plate is movably installed in the movable hole.

[0012] Preferably, a guide frame is installed on one side of the cabinet door, and the limiting slide rod is slidably installed on the inner wall of the guide frame.

[0013] The beneficial effects of the utility model are:

[0014] The lock can be opened by pressing the key to release the limit rod, and then the push plate can be pushed to disengage the limit rod from the first positioning hole to release the restriction on the door. The door can then be flipped open, and the continuously flipped door can drive the limit rod to move to the second positioning hole. At this time, the spring can drive the limit rod to be inserted into the second positioning hole to limit the expansion angle of the door, preventing the door from shaking repeatedly due to external force or wind, thereby avoiding the interference of the door shaking during the maintenance of the high-voltage distribution cabinet, thereby ensuring the smooth progress of the maintenance work.

[0015] When the cabinet door is fully closed, the limit rod will also correspond to the first positioning hole. At this time, under the action of the spring, the limit rod can be inserted into the first positioning hole to achieve preliminary fixation of the cabinet door. Then, the key can be used to close the lock, and the lock tongue can be reinserted into the lock hole to completely lock the cabinet door, thereby further improving the stability and safety of the cabinet door when closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of a door opening and locking mechanism for a high-voltage distribution cabinet proposed in the utility model;

[0017] Figure 2 This is a schematic diagram of the unfolded structure of a door of a high-voltage distribution cabinet door opening and locking mechanism proposed in the present invention;

[0018] Figure 3 This is a schematic diagram of the limit slider structure of the door opening and locking mechanism of a high-voltage distribution cabinet proposed in the utility model;

[0019] Figure 4 This is a structural schematic diagram of the arc-shaped hole portion of a door opening and locking mechanism for a high-voltage distribution cabinet proposed in the utility model.

[0020] In the figure: 100, high-voltage distribution cabinet; 101, cabinet door; 102, lock; 103, lock tongue; 200, guide ring; 201, positioning socket 1; 202, positioning socket 2; 203, guide strip; 204, limit slider; 205, limit rod; 206, T-shaped slide hole; 207, T-shaped strip; 208, spring; 209, arc hole; 300, connecting seat; 301, connecting rod; 302, limit slider; 303, lock hole; 304, push plate; 305, movable hole; 306, guide frame. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Reference Figure 1-4 , a high-voltage distribution cabinet door opening and locking mechanism includes a high-voltage distribution cabinet body 100, a cabinet door 101 is rotatably mounted on the high-voltage distribution cabinet body 100, a lock 102 is provided on the high-voltage distribution cabinet body 100, and a lock tongue 103 is provided on the lock 102, and two guide rings 200 are installed on the high-voltage distribution cabinet body 100, and the two guide rings 200 are both aligned with the axis of the cabinet door 101, and the cabinet door 101 is movably mounted on the two guide rings 200, and a plug-in structure is installed on the two guide rings 200, and two connecting seats 300 are installed on the plug-in structure, and a limiting structure is installed on the two connecting seats 300. By setting the plug-in structure, the cabinet door 101 can be in a locked state when open, to prevent the cabinet door 101 from being closed by external force or wind, and the stability of the cabinet door 101 in the closed state can be improved by cooperating with the limiting structure.

[0023] Furthermore, the plug-in structure includes two positioning sockets 201 and two positioning sockets 202. The positioning socket 1 201 and the positioning socket 2 202 located on the same side are provided on the same guide ring 200. A guide strip 203 is installed on one side of the cabinet door 101. Two limit sliders 204 are slidably installed on one side of the guide strip 203. Limit rods 205 are installed on the two limit sliders 204. The two limit rods 205 are respectively adapted to the corresponding positioning socket 1 201 and positioning socket 2 202. When the limit slider 204 moves, it will drive the limit rod 205 to disengage from the positioning socket 1 201. At this time, the restriction of the cabinet door 101 can be released, and then the cabinet door 101 can be flipped open by pulling it. During the flipping process, the cabinet door 101 will drive the limit rod 205 to move to the positioning socket 2 202, so that the limit rod 205 is inserted into the positioning socket 2 202, thereby limiting the current angle of the cabinet door 101.

[0024] Furthermore, a T-shaped sliding hole 206 is opened on the inner wall of the limit slider 204, and a T-shaped bar 207 is slidably installed in the T-shaped sliding hole 206. The T-shaped bar 207 is installed on one side of the guide bar 203. When the limit slider 204 moves, it slides on the T-shaped bar 207 through the T-shaped sliding hole 206, thereby limiting the moving direction of the limit slider 204.

[0025] Furthermore, the same spring 208 is installed on the side where the two limit sliders 204 are close to each other. The two limit sliders 204 that are close to each other will squeeze the spring 208 and compress it. When the limit rod 205 corresponds to the positioning hole 1 201 or the positioning hole 2 202 during the continuous movement, the spring 208 in the compressed state will be released and push the two limit sliders 204 to move and reset.

[0026] Furthermore, two arc-shaped holes 209 are provided on the cabinet door 101 , and the two guide rings 200 are movably installed in the two arc-shaped holes 209 respectively. During the flipping process, the cabinet door 101 will move on the guide rings 200 through the arc-shaped holes 209 .

[0027] Furthermore, the limiting structure includes a connecting rod 301, which is rotatably mounted on the connecting seat 300, which is mounted on one side of the limiting slider 204, and a limiting slider 302 is rotatably mounted on one end of the connecting rod 301. The limiting slider 302 is provided with a lock hole 303, and the lock tongue 103 is movably mounted in the lock hole 303. A push plate 304 is installed on one side of the limiting slider 302, and a movable hole 305 is provided on the cabinet door 101. The push plate 304 is movably mounted in the movable hole 305. When the lock 102 is opened, the lock tongue 103 will be retracted into the lock 102 and disengaged from the lock hole 303. At this time, the restriction on the limit slide 302 can be released, and then the push plate 304 is pushed to drive the limit slide 302 to move. The moving limit slide 302 will pull one end of the two connecting rods 301 to rotate and move, so that the other ends of the two connecting rods 301 pull the two connecting seats 300 closer to each other, thereby driving the two limit slides 204 to move and approach each other.

[0028] Furthermore, a guide frame 306 is installed on one side of the cabinet door 101, and the limit slide 302 is slidably installed on the inner wall of the guide frame 306. The moving limit slide 302 will slide on the inner wall of the guide frame 306, thereby limiting the moving direction of the limit slide 302.

[0029] Working principle of this utility model:

[0030] When the high-voltage distribution cabinet 100 needs to be opened, the lock 102 is opened with a key. During the process, the lock tongue 103 is retracted into the lock 102 and disengaged from the lock hole 303. At this time, the restriction on the limit slide 302 can be released. Then the push plate 304 is pushed. The push plate 304 slides in the movable hole 305 and drives the limit slide 302 to move. The continuously moving limit slide 302 pulls one end of the two connecting rods 301 to rotate and move, so that the other ends of the two connecting rods 301 rotate on the two connecting seats 300 respectively, and at the same time pulls the two connecting seats 300. When the two limit sliders 204 move closer to each other, the two connecting seats 300 respectively drive the two limit sliders 204 to move closer to each other. When the limit sliders 204 move, they slide on the T-shaped bars 207 through the T-shaped sliding holes 206, thereby limiting the moving direction of the limit sliders 204. The two limit sliders 204 approaching each other will squeeze the spring 208 and compress it. At the same time, the limit sliders 204 that continue to move will drive the limit plug rod 205 to disengage from the positioning hole 1 201. At this time, the restriction of the cabinet door 101 can be released, and then the cabinet door 101 can be flipped open by pulling it. During the flipping process, 101 will move on the guide ring 200 through the arc hole 209, and will drive the limit rod 205 to move along one side of the guide ring 200. When the cabinet door 101 drives the limit rod 205 to move to the second positioning hole 202 during the continuous flipping process, the spring 208 in the compressed state will be released and push the two limit sliders 204 to move and reset, thereby driving the two limit rods 205 to be inserted into the corresponding second positioning hole 202 respectively, so as to limit the current angle of the cabinet door 101 and avoid it being affected by external force or the blowing of wind. When the cabinet door 101 needs to be closed, the push plate 304 is pulled again to disengage the limit rod 205 from the positioning hole 202. At this time, the restriction of the cabinet door 101 can be released again, and then the cabinet door 101 can be pushed to close it. When the limit rod 205 moves to the positioning hole 1 201, the spring 208 will drive the limit rod 205 to be inserted into the positioning hole 1 201, completing the initial self-locking of the cabinet door 101. After that, the lock 102 is closed with the key, so that the lock tongue 103 re-extends into the lock hole 303 to get it stuck.

[0031] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A door locking mechanism for a high-voltage distribution cabinet, comprising a high-voltage distribution cabinet body (100), a cabinet door (101) rotatably mounted on the high-voltage distribution cabinet body (100), a lock (102) provided on the high-voltage distribution cabinet body (100), and a lock tongue (103) provided on the lock (102), characterized in that: Two guide rings (200) are installed on the high-voltage power distribution cabinet (100), and the two guide rings (200) are both aligned with the axis of the cabinet door (101). The cabinet door (101) is movably installed on the two guide rings (200). A plug-in structure is installed on the two guide rings (200), and two connecting seats (300) are installed on the plug-in structure. A limiting structure is installed on the two connecting seats (300).

2. A door opening and locking mechanism for a high-voltage distribution cabinet according to claim 1, characterized in that: The plug-in structure comprises two first positioning sockets (201) and two second positioning sockets (202). The first positioning socket (201) and the second positioning socket (202) located on the same side are provided on the same guide ring (200). A guide bar (203) is installed on one side of the cabinet door (101). Two limiting sliders (204) are slidably installed on one side of the guide bar (203). Limiting rods (205) are installed on both limiting sliders (204). The two limiting rods (205) are respectively adapted to the corresponding first positioning socket (201) and the second positioning socket (202).

3. A door opening and locking mechanism for a high-voltage distribution cabinet according to claim 2, characterized in that: The inner wall of the limiting sliding block (204) is provided with a T-shaped sliding hole (206), a T-shaped bar (207) is slidably installed in the T-shaped sliding hole (206), and the T-shaped bar (207) is installed on one side of the guide bar (203).

4. A door opening and locking mechanism for a high-voltage distribution cabinet according to claim 2, characterized in that: The same spring (208) is installed on the side where the two limiting sliders (204) are close to each other.

5. The door opening and locking mechanism of a high-voltage distribution cabinet according to claim 1, characterized in that: Two arc-shaped holes (209) are provided on the cabinet door (101), and two guide rings (200) are movably installed in the two arc-shaped holes (209) respectively.

6. A door opening and locking mechanism for a high-voltage distribution cabinet according to claim 1, characterized in that: The limiting structure comprises a connecting rod (301), wherein the connecting rod (301) is rotatably mounted on a connecting seat (300), the connecting seat (300) is mounted on one side of a limiting slider (204), one end of the connecting rod (301) is rotatably mounted on a limiting slider (302), a locking hole (303) is provided on the limiting slider (302), a locking tongue (103) is movably mounted in the locking hole (303), a push plate (304) is mounted on one side of the limiting slider (302), a movable hole (305) is provided on the cabinet door (101), and the push plate (304) is movably mounted in the movable hole (305).

7. A door opening and locking mechanism for a high-voltage distribution cabinet according to claim 1, characterized in that: A guide frame (306) is installed on one side of the cabinet door (101), and the limiting slide bar (302) is slidably installed on the inner wall of the guide frame (306).

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