Combined box door structure of mining flame-proof and intrinsic safety type control box

Abstract

The utility model discloses a mining flame-proof and intrinsic safety type control box combined type box door structure which comprises a control box and a box door, the end face of one side of the control box is provided with an opening, the opening end of the control box is rotationally connected with the box door, a plurality of sliding grooves are formed in the box door in a penetrating mode in the vertical direction, and the inner end faces of the sliding grooves in the box door penetrate through the box door. Second sliding plates are horizontally installed in the multiple sliding grooves of the box door in a sliding mode, and a display screen, an instrument and a button set are installed on the second sliding plates in the multiple sliding grooves of the box door respectively. According to the utility model, the problems that a display screen, a button group and a rotary switch are arranged on an existing box door, the display screen, the button group and the rotary switch are fixed on the box door, and when components on the box door are damaged in the later period and need to be disassembled, the fixedly connected components are forcibly disassembled, so that the box door is damaged and deformed, and the normal use of the box door is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mine control boxes, in particular to a combined box door structure of a mine flameproof and intrinsically safe control box. Background Art

[0002] The mining flameproof and intrinsically safe PLC control box is mainly used for multiple automation control devices such as drainage automation control and belt transportation automation control in coal mines. It uses PLC programmable controller as the core equipment and has strong applicability, scalability, high reliability and powerful communication capabilities.

[0003] The existing announcement number is CN207505294U, and the name is a mine-use explosion-proof and intrinsically safe control box door, which mainly includes a door cover, a display screen, a button group and a rotary switch. The door cover is rectangular, and the display screen, the button group and the rotary switch are distributed on the outer wall of the door cover from top to bottom; the display screen is fixed in the middle of the display screen fixing plate, and the display screen fixing plate is fixed to the observation window pressing block by screws. A tempered glass is provided in front of the observation window pressing block, and the tempered glass is embedded in the gasket. The observation window pressing block is fixed to the gasket by screws. Explosion-proof joint surfaces are provided between the buttons and the button copper sleeves, and between the switch copper sleeves and the conversion switch shaft, which can effectively prevent safety accidents caused by button or switch failures. Door hooks are provided around the inner wall of the door cover, and the box door is easy to connect with the control box. The design of the button copper sleeve, the switch copper sleeve and the observation window sealing gasket makes the entire box door more sealed.

[0004] However, the door of the above-mentioned mining explosion-proof and intrinsically safe control box is provided with a display screen, a button group and a rotary switch, and the display screen, the button group and the rotary switch are fixed on the door. When the components on the door are damaged and need to be disassembled later, the fixedly connected components are forcibly broken, resulting in damage and deformation of the door, affecting the normal use of the door. Utility Model Content

[0005] The utility model aims to provide a combined door structure of a mine flameproof and intrinsically safe control box, aiming to improve the above-mentioned problems.

[0006] The utility model is achieved in this way:

[0007] A combined door structure of a mine-use explosion-proof and intrinsically safe control box comprises a control box and a door. An opening is arranged on one end face of the control box, and the door is rotatably connected to the open end of the control box. A plurality of slide grooves are provided on the door in a vertical direction, and the inner end faces of the plurality of slide grooves on the door are provided through the door. Second slide plates are horizontally slidably installed in the plurality of slide grooves of the door, and a display screen, an instrument and a button group are respectively installed on the second slide plates in the plurality of slide grooves of the door, guide grooves are provided on the top surface of the door in a vertical direction through the plurality of slide grooves in sequence, and a second slide frame is vertically slidably installed in the guide groove, and clamping strips are vertically fixed on the vertical end faces on both sides of the second slide frame, clamping slots are vertically provided on both sides of the second slide plate, and the clamping slots on the second slide plate are vertically clamped with the clamping strips on the second slide frame.

[0008] Furthermore, a spring is vertically fixed on the inner top surface of the second sliding frame, and the bottom end of the spring is fixed on the top surface of the box door.

[0009] Furthermore, a plurality of screw barrels are installed horizontally through the second slide plate in the middle of the door, and instruments are installed in the plurality of screw barrels.

[0010] Furthermore, an external thread is provided on the outer circumferential surface of the instrument, and the external thread is assembled with the barrel thread.

[0011] Furthermore, a first slide plate is vertically fixed on the bottom surface of the control box, and a first slide frame is vertically slidably mounted on the first slide plate.

[0012] Furthermore, a screw rod is installed through the vertical thread on the bottom surface of the first sliding frame, and the top end of the screw rod is rotatably connected to the bottom surface of the first sliding plate.

[0013] Furthermore, a fixing plate is fixed on the bottom surface of the first sliding frame, and fixing screws are installed through the horizontal threads on the fixing plate of the first sliding frame.

[0014] Compared with the prior art, the beneficial effect of the utility model is that during use, the multiple slide grooves opened in the vertical direction on the box door are slid and assembled into the second slide plate respectively, and then the display screen, button group and instrument are installed on the second slide plates of the multiple slide grooves respectively, and then the second slide frame is vertically slid in the guide groove of the box door, and the card strip on the second slide frame is vertically slid and assembled in the card slot of the slide plate, so as to limit the card connection of the second slide plate in the box door, thereby improving the later pulling of the slide frame upward from the box door, and then the card strip on the second slide frame is pulled out of the card slot of the second slide plate, and the second slide plate is pulled out of the box door, and the display screen, button group and rotary switch are disassembled, replaced and repaired. Therefore, disassembling the display screen, button group and rotary switch will not damage the structure of the box door, which is convenient for later use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the control box in the disassembled state in the embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the box door in the disassembled state in the embodiment of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the sliding frame in the disassembled state in the embodiment of the utility model.

[0021] In the figure: 1, control box; 11, first slide plate; 12, first slide frame; 13, screw rod; 14, fixing screw; 2, box door; 21, slide groove; 22, guide groove; 23, second slide frame; 231, clamping strip; 24, spring; 25, second slide plate; 251, clamping groove; 26, display screen; 27, button group; 28, screw barrel; 29, instrument; 291, external thread. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a combined door structure of a flameproof and intrinsically safe control box for mining includes a control box 1 and a door 2. One side end face of the control box 1 is open, and the door 2 is rotatably connected to the open end of the control box 1. A plurality of slide grooves 21 are provided on the door 2 in a vertical direction, and the inner end faces of the plurality of slide grooves 21 on the door 2 penetrate the door 2. Second slide plates 25 are horizontally slidably installed in the plurality of slide grooves 21 of the door 2, and the second slide plates 25 in the plurality of slide grooves 21 of the door 2 are rotatably connected to the control box 1. A display screen 26, an instrument 29 and a button group 27 are respectively installed. A guide groove 22 is provided on the top surface of the box door 2 in a vertical direction through a plurality of slide grooves 21 in sequence, and a second slide frame 23 is vertically slidably installed in the guide groove 22, and a clamping strip 231 is vertically fixed on both sides of the vertical end surface of the second slide frame 23, and a clamping groove 251 is vertically provided on both sides of the second slide plate 25, and the clamping groove 251 on the second slide plate 25 is vertically clamped with the clamping strip 231 on the second slide frame 23, and the second A spring 24 is vertically fixed on the inner top surface of the slide frame 23, and the bottom end of the spring 24 is fixed to the top surface of the box door 2. During use, the multiple slide grooves 21 opened in the vertical direction on the box door 2 are slid and assembled with the second slide plate 25 respectively, and then the display screen 26, the button group 27 and the instrument 29 are respectively installed on the second slide plate 25 of the multiple slide grooves 21, and then the second slide frame 23 is vertically slid in the guide groove 22 of the box door 2, and the card strip 231 on the second slide frame 23 is vertically slid and assembled in the card slot 251 of the slide plate 25, so as to limit the card connection of the second slide plate 25 in the box door 21, thereby improving the later pulling of the slide frame 23 from the box door 2 upward, and then the card strip 231 on the second slide frame 23 is pulled out of the card slot 251 of the second slide plate 25, and the second slide plate 25 is pulled out of the box door 2, and the display screen, button group and rotary switch are disassembled, replaced and repaired. Therefore, disassembling the display screen, button group and rotary switch will not damage the structure of the box door 2, which is convenient for later use.

[0024] See also Figure 5 A plurality of screw barrels 28 are horizontally installed on the second slide plate 25 in the middle of the box door 2, and a meter 29 is installed in the plurality of screw barrels 28. An external thread 291 is provided on the outer circumferential surface of the meter 29, and the external thread 291 is threadedly assembled with the screw barrel 28. During use, the meter 29 is threadedly assembled in the screw barrel 28 of the box door 2, which is convenient for disassembling and assembling the meter 29.

[0025] See also Figure 3A first slide plate 11 is vertically fixed on the bottom surface of the control box 1, and a first sliding frame 12 is vertically slidably installed on the first slide plate 11, a screw rod 13 is installed on the bottom surface of the first sliding frame 12 through a vertical thread, and the top end of the screw rod 13 is rotatably connected to the bottom surface of the first slide plate 11, a fixing plate is fixed on the bottom surface of the first sliding frame 12, and a fixing screw 14 is installed through a horizontal thread on the fixing plate of the first sliding frame 12. During use, the screw rod 13 is rotated to push the first slide plate 11 to slide vertically upward on the first sliding frame 12, and the first sliding frame 12 is slid vertically on the first slide plate 11. After adjusting the height of the support control box 1, the fixing screws 14 on the fixing plate on the first sliding frame 12 are threadedly assembled and fixed to ensure the stability of the support control box 1.

[0026] Working principle: During use, the multiple slide grooves 21 opened in the vertical direction on the box door 2 are slid and assembled into the second slide plate 25 respectively, and then the display screen 26, button group 27 and instrument 29 are respectively installed on the second slide plate 25 of the multiple slide grooves 21, and then the second slide frame 23 is vertically slid in the guide groove 22 of the box door 2, and the card strip 231 on the second slide frame 23 is vertically slid and assembled in the card slot 251 of the slide plate 25, so as to limit the card connection of the second slide plate 25 in the box door 21, thereby improving the later pulling of the slide frame 23 upward from the box door 2, and then the card strip 231 on the second slide frame 23 is pulled out of the card slot 251 of the second slide plate 25, and the second slide plate 25 is pulled out of the box door 2, and the display screen, button group and rotary switch are disassembled, replaced and repaired.

[0027] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. 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 combined door structure of a flameproof and intrinsically safe control box for mining, characterized in that: The invention comprises a control box (1) and a box door (2), wherein one end face of the control box (1) is open, and the box door (2) is rotatably connected to the open end of the control box (1), a plurality of slide grooves (21) are provided on the box door (2) in a vertical direction, and the inner end faces of the plurality of slide grooves (21) on the box door (2) are provided through the box door (2), a second slide plate (25) is horizontally slidably installed in the plurality of slide grooves (21) of the box door (2), and a display screen (25) is respectively installed on the second slide plates (25) in the plurality of slide grooves (21) of the box door (2) 6), an instrument (29) and a button group (27), a guide groove (22) is provided on the top surface of the box door (2) and passes through a plurality of slide grooves (21) in sequence in the vertical direction, and a second slide frame (23) is vertically slidably installed in the guide groove (22), and clamping strips (231) are vertically fixed on both vertical end surfaces of the second slide frame (23), and clamping grooves (251) are vertically provided on both sides of the second slide plate (25), and the clamping grooves (251) on the second slide plate (25) are vertically clamped with the clamping strips (231) on the second slide frame (23).

2. The combined door structure of a mine flameproof and intrinsically safe control box according to claim 1 is characterized in that: A spring (24) is vertically fixed on the inner top surface of the second sliding frame (23), and the bottom end of the spring (24) is fixed on the top surface of the box door (2).

3. The combined door structure of a mine flameproof and intrinsically safe control box according to claim 2 is characterized in that: A plurality of screw barrels (28) are installed horizontally through the second slide plate (25) in the middle of the door (2), and instruments (29) are installed in the plurality of screw barrels (28).

4. The combined door structure of a mine flameproof and intrinsically safe control box according to claim 3 is characterized in that: An external thread (291) is provided on the outer circumferential surface of the instrument (29), and the external thread (291) is threadably assembled with the screw barrel (28).

5. The combined door structure of a mine flameproof and intrinsically safe control box according to claim 4 is characterized in that: A first slide plate (11) is vertically fixed on the bottom surface of the control box (1), and a first slide frame (12) is vertically slidably mounted on the first slide plate (11).

6. A combined door structure of a mine flameproof and intrinsically safe control box according to claim 5, characterized in that: A screw rod (13) is installed through a vertical thread on the bottom surface of the first sliding frame (12), and the top end of the screw rod (13) is rotatably connected to the bottom surface of the first sliding plate (11).

7. The combined door structure of a flameproof and intrinsically safe control box for mining according to claim 6 is characterized in that: A fixing plate is fixed on the bottom surface of the first sliding frame (12), and fixing screws (14) are installed through horizontal threads on the fixing plate of the first sliding frame (12).

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