Mining intrinsic safety type control box locking structure

By introducing auxiliary handles and reset mechanisms into the intrinsic safety control box for mining, the automatic positioning and separation of the box door and box are achieved by using positioning springs and limiting slots, the problem of manual operation in the prior art is solved, and the problem of manual operation intensities in the prior art is improved. Convenient use.

CN222235215UActive Publication Date: 2024-12-24HUBEI KAISHAN PRECISION MACHINERY CO LTD
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Patent Information

Application Number
CN202420486509.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-13
Publication Date
2024-12-24
Estimated Expiration
2034-03-13

AI Technical Summary

Technical Problem

The locking structure of the existing mining intrinsic safety control box requires manual operation of the rotation shaft during use, especially in an inclined environment, and manual operation of the limit pin is required during the closing or separation process, which is inconvenient to use.

Method used

A locking structure for mining intrinsically safe control box is designed, using auxiliary handles and reset mechanisms, driving the rotating shaft and slide rod through auxiliary handles, and automatically positioning and separation of box door and box using positioning springs and limiting slots. , reducing the need for manual operation.

Benefits of technology

It realizes convenient opening and closing of the box door and box, improves the convenience of operation, especially in a tilted environment, and does not require manual support, simplifying the operating procedures of staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of intrinsic safety type control boxes, and discloses a mining intrinsic safety type control box locking structure which comprises a control box body, an explosion-proof box door with a protection function is arranged on the front side wall face of the control box body, and a connecting positioning frame capable of positioning is fixedly installed on the front side wall face of the control box body. A positioning box capable of positioning is fixedly mounted on the outer wall of the explosion-proof box door, the positioning box is in a hollow L shape, the positioning box is rotatably mounted on the bottom wall surface of the connecting positioning frame, and a mounting turntable is rotatably mounted in the vertical end of the positioning box. During use, an auxiliary handle is held by a hand, the left side end of the auxiliary handle is rotated downwards, a connecting rotating shaft can drive a mounting rotating disc to rotate anticlockwise, a connecting rotating plate can move downwards, a connecting sliding rod can move downwards along with the connecting rotating plate, and a positioning spring is compressed until the connecting sliding rod is separated from a positioning clamping groove; at this time, the explosion-proof box door can be rotated to be separated from the control box main body.
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Description

Technical Field

[0001] The utility model relates to the technical field of intrinsically safe control boxes, in particular to a locking structure of an intrinsically safe control box for mining. Background Art

[0002] After searching, the public (announcement) number: CN212541045U discloses a locking structure of a mining intrinsically safe control box, including a box body, a sealing door hinged on the front of the box body, a limiting groove is provided on the side of the sealing door, a first shell is passed through the side of the box body, guide shafts are fixed at both ends of the interior of the first shell, a slider is slidably connected to the guide shaft, a limiting pin is fixedly sleeved on the slider, both ends of the limiting pin pass through the first shell and are slidably connected to the first shell, a second shell is fixed at both ends of the side of the box body, a sliding rod is installed on the side of the second shell, the sliding rod is inserted into the interior of the second shell and is connected to a fixing plate.

[0003] During the use of the above invention, when the box door and the box body need to be closed or separated, the mounting base needs to be rotated by rotating the shaft to move the limit pin out of the limit groove on the side of the sealing door, which is inconvenient. In addition, the location of the mine is relatively complex. When the installation location is inclined, the staff needs to hold the box door with one hand and operate the shaft with the other hand, which is inconvenient to use.

[0004] Therefore, we propose a locking structure for an intrinsically safe control box for use in mines. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a locking structure of a mine intrinsically safe control box.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a locking structure of a mine intrinsically safe control box, comprising a control box body, a front wall of the control box body being provided with an explosion-proof box door for protection, a connecting positioning frame for positioning being fixedly installed on the front wall of the control box body, a positioning box for positioning being fixedly installed on the outer wall of the explosion-proof box door, the positioning box being hollow L-shaped, the positioning box being rotatably installed on the bottom wall of the connecting positioning frame, a mounting turntable being rotatably installed inside the vertical end of the positioning box, a connecting shaft being fixedly installed at the center of the circle of the front wall of the mounting turntable, and the connecting shaft being rotatably installed on the front wall of the vertical end of the positioning box The outer wall of the connecting shaft is fixedly installed with an auxiliary handle for facilitating its rotation, and the auxiliary handle is L-shaped. A connecting rotating plate is rotatably installed on the front wall of the mounting turntable through the rotating shaft, and a connecting sliding rod is rotatably installed on the upper outer wall of the connecting rotating plate. The outer wall of the connecting sliding rod movably passes through the top wall of the horizontal end of the positioning box, and a positioning slot for limiting is provided on the bottom wall of the connecting positioning frame. The outer wall of the connecting sliding rod movably snaps into the interior of the positioning slot, and a reset mechanism is provided on the connecting sliding rod, and the reset mechanism includes a positioning spring, which is arranged on the connecting sliding rod. The upper wall of the connecting sliding rod is an inclined surface, the inclined surface is in a state of high front and low back, and the inclined surface is an arc surface.

[0007] Preferably, the reset mechanism also includes a limit baffle and an installation baffle. The installation baffle is fixedly installed in a horizontal state inside the vertical end of the positioning box. The outer wall of the connecting slide rod movably passes through the upper and lower walls of the installation baffle. The limit baffle is fixedly installed on the outer wall of the connecting slide rod.

[0008] Preferably, the positioning spring is fixedly installed between the wall surfaces close to the limit baffle and the installation baffle, the outer wall of the connecting slide rod moves through the interior of the positioning spring, and the connecting slide rod is adapted to the interior of the positioning slot.

[0009] Preferably, the rear wall of the connecting slide rod is fixed with a connecting plate, the upper wall of the fixed connecting plate is fixedly installed with a positioning rod, the outer wall of the positioning rod movably passes through the upper wall of the horizontal end of the positioning box, and a connecting slot is opened on the bottom wall of the connecting positioning frame.

[0010] Preferably, a fixed connecting plate is fixedly installed on the rear side wall of the connecting slide rod, the positioning rod is adapted to the interior of the connecting slot, and the positioning rod is movably inserted into the interior of the connecting slot.

[0011] Preferably, the upper side wall surface of the positioning clamp rod is an inclined surface, the inclined surface is higher at the front and lower at the back, and the inclined surface is an arc surface.

[0012] Preferably, a mounting plate is fixedly mounted on the front side wall of the connecting and positioning frame, a limiting slot is provided on the upper side wall of the mounting plate, the positioning rod is adapted to the limiting slot, and the positioning rod can be movably inserted into the limiting slot.

[0013] Beneficial Effects

[0014] The utility model provides a locking structure for an intrinsically safe control box for use in mines, which has the following beneficial effects:

[0015] (1) This kind of locking structure of the intrinsically safe control box for mining, when in use, by holding the auxiliary handle, the left end of the auxiliary handle is turned downward, the connecting shaft will drive the mounting turntable to rotate counterclockwise, the connecting rotating plate will move downward, the connecting slide bar will move downward together, the positioning spring will be compressed, until the connecting slide bar and the positioning slot are separated, then the explosion-proof box door can be rotated and separated from the control box body, during the closing process of the explosion-proof box door and the control box body, the inclined surface of the connecting slide bar will contact the bottom wall of the connecting positioning frame, the connecting slide bar will be forced to move downward, the positioning spring will be compressed, when the connecting slide bar moves to the position of the positioning slot, the positioning spring begins to extend, the connecting slide bar moves upward and is stuck in the inside of the positioning slot, there is no need to manually operate the auxiliary handle, so the use of the device is convenient.

[0016] (2) When the locking structure of the intrinsically safe control box for mining is used, the connecting slide bar moves downward, and the fixed connecting plate moves downward with the positioning rod, and finally the positioning rod and the connecting slot are separated. At this time, the positioning box can be rotated. The positioning effect of the positioning rod and the connecting slot can improve the positioning effect when the control box body and the explosion-proof door are connected. In addition, when the explosion-proof door is rotated, the positioning rod can be inserted into the inside of the limit slot to position the explosion-proof door, which is convenient for the staff to operate the inside of the control box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of the utility model as a whole;

[0018] Figure 2 It is a three-dimensional diagram of the main body of the control box of the utility model;

[0019] Figure 3 for Figure 2 A magnified view of location A;

[0020] Figure 4 for Figure 2 A magnified view of location B;

[0021] Figure 5 for Figure 2 Enlarged view of location C;

[0022] Figure 6 for Figure 1 Enlarged view of D.

[0023] Legend: 1. Control box body; 2. Explosion-proof box door; 3. Connecting positioning frame; 4. Positioning box; 5. Connecting shaft; 6. Installing turntable; 7. Connecting rotating plate; 8. Connecting slide bar; 9. Positioning slot; 10. Limit baffle; 11. Installing baffle; 12. Positioning spring; 13. Auxiliary handle; 14. Fixed connecting plate; 15. Installing plate; 16. Limit slot; 17. Connecting slot; 18. Positioning rod. DETAILED DESCRIPTION

[0024] Embodiment 1: A locking structure of a mine intrinsically safe control box, such as Figure 1-4 As shown, it includes a control box body 1, the front side wall of the control box body 1 is provided with an explosion-proof box door 2 for protection, the front side wall of the control box body 1 is fixedly installed with a connection positioning frame 3 for positioning, the outer wall of the explosion-proof box door 2 is fixedly installed with a positioning box 4 for positioning, the positioning box 4 is hollow L-shaped, the positioning box 4 is rotatably installed on the bottom wall of the connection positioning frame 3, the internal rotation of the vertical end of the positioning box 4 is provided with a mounting turntable 6, the center of the circle of the front side wall of the mounting turntable 6 is fixedly installed with a connecting shaft 5, the connecting shaft 5 is rotatably installed on the front side wall of the vertical end of the positioning box 4, and the outer wall of the connecting shaft 5 is fixedly installed with an auxiliary shaft for facilitating its rotation An auxiliary handle 13 is L-shaped. A connecting rotating plate 7 is rotatably installed on the front wall of the mounting turntable 6 through a rotating shaft. A connecting slide bar 8 is rotatably installed on the upper outer wall of the connecting rotating plate 7. The outer wall of the connecting slide bar 8 movably passes through the top wall of the horizontal end of the positioning box 4. A positioning slot 9 for limiting is provided on the bottom wall of the connecting positioning frame 3. The outer wall of the connecting slide bar 8 movably fits into the interior of the positioning slot 9. A reset mechanism is provided on the connecting slide bar 8. The reset mechanism includes a positioning spring 12. The positioning spring 12 is arranged on the connecting slide bar 8. The upper wall of the connecting slide bar 8 is an inclined surface. The inclined surface is in a state of being high in the front and low in the back, and the inclined surface is an arc surface.

[0025] When in use, hold the auxiliary handle 13 by hand and turn the left end of the auxiliary handle 13 downward, the connecting shaft 5 will drive the mounting turntable 6 to rotate counterclockwise, the connecting rotating plate 7 will move downward, the connecting slide bar 8 will move downward together, and the positioning spring 12 will be compressed until the connecting slide bar 8 and the positioning slot 9 are separated. At this time, the explosion-proof box door 2 can be rotated and separated from the control box body 1. During the closing process of the explosion-proof box door 2 and the control box body 1, the inclined surface of the connecting slide bar 8 will contact the bottom wall of the connecting positioning frame 3, the connecting slide bar 8 will be forced to move downward, and the positioning spring 12 will be compressed. When the connecting slide bar 8 moves to the position of the positioning slot 9, the positioning spring 12 begins to extend, and the connecting slide bar 8 moves upward and is stuck in the inside of the positioning slot 9. There is no need to manually operate the auxiliary handle 13.

[0026] Embodiment 2: Based on Embodiment 1, Figure 1 , Figure 4 , Figure 5 and Figure 6 As shown, the reset mechanism also includes a limit baffle 10 and an installation baffle 11. The installation baffle 11 is fixedly installed in a horizontal state inside the vertical end of the positioning box 4. The outer wall of the connecting slide rod 8 movably passes through the upper and lower wall surfaces of the installation baffle 11, and the limit baffle 10 is fixedly installed on the outer wall of the connecting slide rod 8.

[0027] The positioning spring 12 is fixedly installed between the wall surfaces close to the limiting baffle 10 and the installing baffle 11 , and the outer wall of the connecting slide bar 8 moves through the interior of the positioning spring 12 , so that the connecting slide bar 8 and the interior of the positioning slot 9 are adapted to each other.

[0028] The rear wall surface of the connecting slide bar 8 is fixed with a connecting plate 14, and the upper wall surface of the fixed connecting plate 14 is fixedly installed with a positioning card rod 18. The outer wall of the positioning card rod 18 movably penetrates the upper wall surface of the horizontal end of the positioning box 4, and the bottom wall surface of the connecting positioning frame 3 is provided with a connecting card slot 17.

[0029] A fixed connecting plate 14 is fixedly mounted on the rear side wall of the connecting slide bar 8 , and the positioning clamping rod 18 is adapted to the interior of the connecting clamping slot 17 , and the positioning clamping rod 18 is movably clamped into the interior of the connecting clamping slot 17 .

[0030] The upper side wall surface of the positioning clamp rod 18 is an inclined surface, which is higher at the front and lower at the back, and is an arc surface.

[0031] A mounting plate 15 is fixedly mounted on the front side wall of the connecting positioning frame 3 , and a limit slot 16 is provided on the upper side wall of the mounting plate 15 . A positioning rod 18 is matched with the limit slot 16 , and the positioning rod 18 can be movably inserted into the limit slot 16 .

[0032] When in use, the connecting slide rod 8 moves downward, and the fixed connecting plate 14 will move downward with the positioning rod 18, and finally the positioning rod 18 and the connecting slot 17 will be separated. At this time, the positioning box 4 can be rotated. Through the positioning effect of the positioning rod 18 and the connecting slot 17, the positioning effect when the control box body 1 and the explosion-proof door 2 are connected can be improved. In addition, when the explosion-proof door 2 is rotated, the positioning rod 18 can be inserted into the inside of the limit slot 16 to position the explosion-proof door 2.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A locking structure for an intrinsically safe control box for use in a mine, comprising a control box body (1), the front side wall of the control box body (1) being provided with an explosion-proof door (2) for protection, characterized in that: The front side wall of the control box body (1) is fixedly mounted with a connection positioning frame (3) that can be positioned, and the outer wall of the explosion-proof box door (2) is fixedly mounted with a positioning box (4) that can be positioned, the positioning box (4) is hollow L-shaped, and the positioning box (4) is rotatably mounted on the bottom wall of the connection positioning frame (3), and a mounting turntable (6) is rotatably mounted inside the vertical end of the positioning box (4), and a connecting shaft (5) is fixedly mounted at the center of the front side wall of the mounting turntable (6), and the connecting shaft (5) is rotatably mounted on the front side wall of the vertical end of the positioning box (4), and an auxiliary handle (13) is fixedly mounted on the outer wall of the connecting shaft (5) to facilitate its rotation, and the auxiliary handle (13) is L-shaped and can be installed. A connecting rotating plate (7) is rotatably mounted on the front wall of the rotating disk (6) through a rotating shaft, a connecting slide bar (8) is rotatably mounted on the upper outer wall of the connecting rotating plate (7), the outer wall of the connecting slide bar (8) movably penetrates the top wall of the horizontal end of the positioning box (4), a positioning slot (9) capable of being limited is provided on the bottom wall of the connecting positioning frame (3), the outer wall of the connecting slide bar (8) movably snaps into the inside of the positioning slot (9), a reset mechanism is arranged on the connecting slide bar (8), the reset mechanism comprises a positioning spring (12), the positioning spring (12) is arranged on the connecting slide bar (8), the upper wall of the connecting slide bar (8) is an inclined surface, the inclined surface is in a state of being high at the front and low at the back, and the inclined surface is an arc surface.

2. The locking structure of the intrinsically safe control box for mining according to claim 1 is characterized in that: The reset mechanism also includes a limit baffle (10) and an installation baffle (11), wherein the installation baffle (11) is fixedly installed in a horizontal state inside the vertical end of the positioning box (4), and the outer wall of the connecting slide bar (8) movably penetrates the upper and lower wall surfaces of the installation baffle (11), and the limit baffle (10) is fixedly installed on the outer wall of the connecting slide bar (8).

3. The locking structure of the intrinsically safe control box for mining according to claim 2 is characterized in that: The positioning spring (12) is fixedly installed between the wall surfaces close to the limiting baffle (10) and the installation baffle (11), and the outer wall of the connecting slide rod (8) moves through the interior of the positioning spring (12), so that the connecting slide rod (8) and the interior of the positioning slot (9) are adapted to each other.

4. The locking structure of the intrinsically safe control box for mining according to claim 3 is characterized in that: The rear side wall of the connecting slide bar (8) is fixed with a connecting plate (14), and the upper side wall of the fixed connecting plate (14) is fixedly installed with a positioning clamping rod (18). The outer wall of the positioning clamping rod (18) movably penetrates the upper side wall of the horizontal end of the positioning box (4), and the bottom wall of the connecting positioning frame (3) is provided with a connecting clamping groove (17).

5. The locking structure of the intrinsically safe control box for mining according to claim 4 is characterized in that: A fixed connecting plate (14) is fixedly mounted on the rear side wall of the connecting slide bar (8), and the positioning clamping rod (18) is adapted to the inside of the connecting clamping slot (17), and the positioning clamping rod (18) is movably clamped into the inside of the connecting clamping slot (17).

6. The locking structure of the intrinsically safe control box for mining according to claim 5 is characterized in that: The upper side wall surface of the positioning clamp rod (18) is an inclined surface, the inclined surface is higher at the front and lower at the back, and the inclined surface is an arc surface.

7. The locking structure of the intrinsically safe control box for mining according to claim 6 is characterized in that: A mounting plate (15) is fixedly mounted on the front side wall of the connecting and positioning frame (3); a limit slot (16) is provided on the upper side wall of the mounting plate (15); a positioning rod (18) is matched with the limit slot (16); and the positioning rod (18) can be movably inserted into the limit slot (16).