Mining electric appliance explosion-proof box

Abstract

The invention discloses a mining electric appliance explosion-proof box, and relates to the technical field of explosion-proof boxes, the explosion-proof box comprises an explosion-proof box body, one side of the explosion-proof box body is rotatably connected with a box door, and the explosion-proof box further comprises a first sealing limiting mechanism, a second sealing limiting mechanism and a sealing dismounting mechanism. The use of adhesives is avoided, the cost of the adhesives is saved, meanwhile, the rework and maintenance cost caused by improper use of the adhesives is reduced, the adhesive does not need to wait for curing during disassembly and assembly every time, the installation process is faster and more efficient, meanwhile, during installation, through insertion and limiting of the inverted-L-shaped pressing rod, the abutting block and the clamping and limiting insertion column, the installation efficiency is improved, and the installation cost is reduced. According to the sealing strip provided by the utility model, the sealing strip body is not greatly abraded during installation, and the reduction of abrasion means that parts can be kept in a better working state for a longer time, so that the service life of the whole product is prolonged, the sealing strip body can be repeatedly used, and the fixing effect during use can be ensured.

Description

Technical Field

[0001] The invention relates to the technical field of explosion-proof boxes, in particular to an explosion-proof box for mining electrical appliances. Background Art

[0002] The explosion-proof box for mining electrical appliances is an electrical device specially designed for use in explosive environments such as mines. This type of equipment plays a vital role in ensuring the safe use of electricity in mines. It mainly ensures that electrical equipment can operate safely in mines containing flammable and explosive substances such as gas and coal dust through its unique explosion-proof design and structural characteristics, and prevents explosions caused by ignition sources such as electrical sparks and high temperatures.

[0003] One of the main functions of the explosion-proof box of mining electrical appliances is explosion-proof, and good sealing is the key to achieving this function. The sealing strips of the existing explosion-proof boxes of mining electrical appliances are in use, but the installation of the sealing strips is mostly adhesive installation. Due to the high temperature in the mine, the high temperature will accelerate the aging of the adhesive and reduce the service life of the adhesive, thereby weakening the bonding strength between the sealing strip and the explosion-proof box, affecting the stability of the sealing strip after bonding. At the same time, some sealing strips are installed by snapping, but the elastic deformation of the sealing strip is used to snap-fit ​​with the box door. After multiple replacements, the snap-fit ​​parts will be severely worn, which also reduces the fixing effect and sealing performance of the sealing strip, and cannot meet people's needs.

[0004] Therefore, a mining electrical explosion-proof box is proposed to solve the above problems. Summary of the invention

[0005] In view of this, the technical problem to be solved by the present invention is to propose an explosion-proof box for mining electrical appliances to solve the problems of unstable fixing effect and sealing performance of the sealing strip in the prior art during use.

[0006] To achieve the above object, the present invention provides the following technical solutions: an explosion-proof box for mining electrical appliances, comprising an explosion-proof box body, one side of the explosion-proof box body is rotatably connected to a box door, and further comprising: a first sealing limiting mechanism, a second sealing limiting mechanism and a sealing disassembly mechanism; The first sealing limiting mechanism comprises a sealing strip body. The first sealing limiting mechanism and the second sealing limiting mechanism are both used to limit the sealing strip body. The sealing disassembly mechanism is used to push and disassemble the sealing strip body.

[0007] Preferably, the first sealing limiting mechanism also includes a rotating disk, the sealing strip body is inserted into one side of the box door, the rotating disk is rotatably connected to one side of the inner wall of the box door, one end of the rotating disk is equidistantly provided with an arc track, one side of the inner wall of the box door is fixedly connected with a guide block, a T-shaped linkage rod is slidably connected in the guide block, and the T-shaped linkage rod is slidably connected to the arc track near one end of the rotating disk.

[0008] Preferably, the T-shaped linkage rod is fixedly connected with limiting plugs at equal distances on one side close to the sealing strip body, and limiting through holes are arranged at equal distances on the outer side of the sealing strip body, and the limiting plugs are plugged into the limiting through holes.

[0009] Preferably, a sliding rod is slidably inserted through one side of the door, the sliding rod is arranged in a hexagonal shape, the sliding rod is slidably connected to the rotating disk, and a knob is fixedly connected to one end of the sliding rod away from the rotating disk.

[0010] Preferably, the outer surface of the knob is symmetrically fixed with a fixing column, the outer side of the box door is symmetrically provided with a socket, the fixing column is plugged into the socket, one end of the fixing column and the socket are both provided with a magnetic block, and the two magnetic blocks are arranged with magnetic poles attracting each other.

[0011] Preferably, the second sealing limiting mechanism includes a stop block, which is symmetrically fixedly connected to one side of the T-shaped linkage rod, the stop block is slidably connected to the door, one side of the stop block can contact the sealing strip body, and a gear is fixedly connected to the inner wall of the door.

[0012] Preferably, an inverted L-shaped pressure rod is slidably connected to the inner wall of the door close to the gear, and the inverted L-shaped pressure rod can contact the sealing strip body. The inverted L-shaped pressure rod is fixedly connected to a rack on the side opposite to the stop block, and the rack is meshed with the gear.

[0013] Preferably, the seal disassembly mechanism includes a swing rod, which is symmetrically fixedly connected to the outer surface of the rotating disk, and the end of the swing rod away from the rotating disk is fixedly connected to a squeezing ball, and a push rod and a connecting plate are respectively slidably connected in the box door, the push rod and the connecting plate are fixedly connected, and a return spring is fixedly connected between the connecting plate and the box door.

[0014] Compared with the prior art, the present invention provides an explosion-proof box for mining electrical appliances, which has the following beneficial effects: 1. Through the arrangement of the first sealing limit mechanism and the second sealing limit mechanism, when the sealing strip body is installed on the box door, the limit plug column cooperates with the limit perforation, and the inverted L-shaped pressure rod and the stop block, so as to complete the installation between the sealing strip body and the box door. Compared with the bonding and clamping in the prior art, the use of adhesives is avoided, the cost of adhesives is saved, and the rework and maintenance costs caused by improper use of adhesives are reduced. In addition, there is no need to wait for the adhesive to solidify each time it is disassembled and installed, and the installation process is faster and more efficient. At the same time, during installation, through the plug-in limit of the inverted L-shaped pressure rod and the stop block and the clamping and limit plug column, the sealing strip body will not produce large wear during installation. Reduced wear means that the components can maintain a good working condition for a longer time, thereby extending the service life of the entire product, allowing the sealing strip body to be repeatedly used and ensuring the fixing effect during use; 2. Through the setting of the sealing disassembly mechanism, when the squeezing ball approaches the connecting plate, the arc surface of the squeezing ball will squeeze the connecting plate, so that the connecting plate drives the push rod to move in the direction of the sealing strip body, and then the sealing strip body can be pushed out of the door installation groove by the push of the push rod, which further improves the disassembly and maintenance efficiency of the sealing strip body. At the same time, the operation of releasing the fixing and pushing the sealing strip body can be carried out by rotating the rotating disk at the same time, which further saves the operation steps, thereby greatly shortening the disassembly and maintenance time of the sealing strip body; 3. Through the cooperation between the rotating disk, the arc track and the T-shaped linkage rod, and the cooperation between the inverted L-shaped pressure rod and the retaining block, a single rotation of the rotating disk can simultaneously drive multiple T-shaped linkage rods to slide closer to the sealing strip body, and enable the limiting plug posts in multiple directions to be plugged into the limiting perforations. At the same time, the inverted L-shaped pressure rod and the retaining block complete the clamping work of the sealing strip body, which not only ensures the fixing effect and stability of the sealing strip body during installation, but also reduces the need for step-by-step installation and multiple adjustments, making the installation process smoother and more efficient. Therefore, it can ensure that the plug-in positions in all directions are accurately aligned, avoiding installation problems caused by misalignment, thereby ensuring the sealing effect of the explosion-proof box body during use, and through the setting of the fixing column and the socket, after the knob is rotated and the fixed installation of the sealing strip body is completed, the fixing column can be inserted into the socket, and the magnetic blocks on the fixing column and the socket are attracted to complete the fixing of the knob, thereby improving the fixing effect of the knob and further ensuring the stability of the sealing strip body after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the box door of the present invention; Figure 3 This is a cross-sectional structural diagram of the box door of the present invention; Figure 4This is a side sectional structural diagram of the box door of the present invention; Figure 5 It is a partial cross-sectional structural diagram of the box door of the present invention; Figure 6 It is a three-dimensional structural diagram of the swing rod of the present invention; Figure 7 For the present invention Figure 6 Enlarged structural diagram at point A in the middle.

[0016] In the figure: 1. Explosion-proof box body; 2. Box door; 301, sealing strip body; 302, rotating disk; 303, arc track; 304, guide block; 305, T-shaped linkage rod; 306, limit plug column; 307, limit perforation; 308, sliding rod; 309, knob; 310, fixed column; 311, jack; 401, abutment block; 402, gear; 403, rack; 404, inverted L-shaped pressure rod; 501, swing rod; 502, squeeze ball; 503, push rod; 504, connecting plate; 505, return spring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] The present invention is further described in detail below based on the accompanying drawings and embodiments.

[0019] Embodiments of the present invention Please refer to Figures 1 to 7 As shown: In order to solve the problems mentioned in the technical solution, the embodiment of the present application provides an explosion-proof box for mining electrical appliances, including an explosion-proof box body 1, one side of which is rotatably connected to a box door 2, and also includes: a first sealing limiting mechanism, a second sealing limiting mechanism and a sealing disassembly mechanism; The first sealing limiting mechanism comprises a sealing strip body 301 . The first sealing limiting mechanism and the second sealing limiting mechanism are both used to limit the sealing strip body 301 . The sealing disassembly mechanism is used to push and disassemble the sealing strip body 301 .

[0020] The first sealing limiting mechanism also includes a rotating disk 302, a sealing strip body 301 is inserted into one side of the box door 2, the rotating disk 302 is rotatably connected to one side of the inner wall of the box door 2, an arc track 303 is equidistantly provided at one end of the rotating disk 302, a guide block 304 is fixedly connected to one side of the inner wall of the box door 2, a T-shaped linkage rod 305 is slidably connected in the guide block 304, the T-shaped linkage rod 305 is slidably connected to the arc track 303 near one end of the rotating disk 302, the T-shaped linkage rod 305 is equidistantly fixedly connected to the side of the sealing strip body 301, and the outer side of the sealing strip body 301 is equidistantly provided. A limit through hole 307 is provided at a distance, and a limit plug post 306 is plugged into the limit through hole 307. A sliding rod 308 is inserted into and slidably connected to one side of the door 2. The sliding rod 308 is set in a hexagonal shape. The sliding rod 308 is slidably connected to the rotating disk 302. A knob 309 is fixedly connected to the end of the sliding rod 308 away from the rotating disk 302. A fixed column 310 is symmetrically fixedly connected to the outer surface of the knob 309. A plug hole 311 is symmetrically provided on the outer side of the door 2. The fixed column 310 is plugged into the plug hole 311. Magnetic blocks are provided at one end of the fixed column 310 and in the plug hole 311, and the two magnetic blocks are arranged with magnetic poles attracting each other. Among them: through the setting of the fixing column 310 and the socket 311, after the knob 309 is rotated and the sealing strip body 301 is fixedly installed, the fixing column 310 can be inserted into the socket 311, and the magnetic blocks on the fixing column 310 and the socket 311 are adsorbed to complete the fixing of the knob 309, thereby improving the fixing effect of the knob 309 and further ensuring the stability of the sealing strip body 301 after installation.

[0021] In the prior art, the sealing strips of the existing explosion-proof boxes of mining electrical appliances are in use, but the sealing strips are mostly installed by bonding. Due to the high temperature in the mine, the high temperature will accelerate the aging of the adhesive and reduce the service life of the adhesive, thereby weakening the bonding strength between the sealing strip and the explosion-proof box, affecting the stability of the sealing strip after bonding. At the same time, some sealing strips are installed by snapping, but the elastic deformation of the sealing strip is used to snap-fit ​​and install with the box door 2. After multiple replacements, the snap-fit ​​parts will be severely worn, which also reduces the fixing effect and sealing performance of the sealing strip, and cannot meet people's needs. Compared with the prior art, the implementation of this embodiment, through the provision of the first sealing limiting mechanism and the second sealing limiting mechanism, allows the sealing strip body 301 to be installed with the box door 2 through the limiting plug column 306 and the limiting through hole 3 07, the cooperation of the inverted L-shaped pressure rod 404 and the stop block 401, so as to complete the installation between the sealing strip body 301 and the box door 2. Compared with the bonding and clamping in the prior art, the use of adhesives is avoided, the cost of adhesives is saved, and the rework and maintenance costs caused by improper use of adhesives are reduced. Moreover, there is no need to wait for the adhesive to solidify each time it is disassembled and installed, and the installation process is faster and more efficient. At the same time, during installation, through the plug-in and limit of the inverted L-shaped pressure rod 404 and the stop block 401 and the clamping and limiting plug column 306, the sealing strip body 301 will not produce significant wear during installation. Reduced wear means that the components can maintain a good working condition for a longer time, thereby extending the service life of the entire product, allowing the sealing strip body 301 to be used repeatedly and the fixing effect during use can be guaranteed.

[0022] For further examples, please refer to Figures 1 to 7 As shown: The second sealing limiting mechanism includes a stopper 401, which is symmetrically fixedly connected to one side of the T-shaped linkage rod 305, and is slidably connected to the box door 2. One side of the stopper 401 can contact the sealing strip body 301. A gear 402 is fixedly connected to the inner wall of the box door 2. An inverted L-shaped pressure rod 404 is slidably connected to the inner wall of the box door 2 near the gear 402. The inverted L-shaped pressure rod 404 can contact the sealing strip body 301. The inverted L-shaped pressure rod 404 is opposite to the stopper 401. The racks 403 are all fixedly connected, and the racks 403 are all meshed with the gears 402. The seal disassembly mechanism includes a swing rod 501, which is symmetrically fixedly connected to the outer surface of the rotating disk 302, and the end of the swing rod 501 away from the rotating disk 302 is fixedly connected to the squeezing ball 502, and the push rod 503 and the connecting plate 504 are respectively slidably connected in the box door 2, and the push rod 503 and the connecting plate 504 are fixedly connected, and a return spring 505 is fixedly connected between the connecting plate 504 and the box door 2; In the implementation of this embodiment, the sealing strip body 301 can be pushed out of the installation groove of the door 2 by pushing the push rod 503, which further improves the efficiency of disassembly and maintenance of the sealing strip body 301. At the same time, the operation of releasing the fixing and pushing the sealing strip body 301 are performed simultaneously by rotating the rotating disk 302, which further saves operating steps, thereby greatly shortening the disassembly and maintenance time of the sealing strip body 301.

[0023] Everything in the above example works like this: In the initial state: when the sliding rod 308 is inserted into the door 2 and the rotating disk 302, the symmetrically arranged fixing posts 310 are plugged into the insertion holes 311, and at this time, the magnetic blocks on the fixing posts 310 and the insertion holes 311 are attracted to each other.

[0024] The following is the working process of the first sealing limiting mechanism and the second sealing limiting mechanism both limiting the sealing strip body 301: When the sealing strip body 301 is installed, first, the sealing strip body 301 is pushed into the installation groove of the door 2, the shape of the installation groove is consistent with the shape of the sealing strip body 301, and then the knob 309 and the sliding rod 308 are pulled outward, the knob 309 slides outward to drive the fixing column 310 to disengage from the insertion hole 311, and then the knob 309 is turned, and the rotating disk 302 is driven to rotate through the knob 309 and the sliding rod 308. When the rotating disk 302 rotates, the rotating disk 302 drives the arc track 303 to rotate, so that Figure 3 For reference, the rotation direction is counterclockwise. At this time, under the push and guidance of the arc groove of the arc track 303, the T-shaped linkage rod 305 slides toward the sealing strip body 301 under the guidance of the guide block 304, so that multiple groups of limiting plug posts 306 slide toward the sealing strip body 301 at the same time, so that the plug posts 306 pass through one side of the inner wall of the door 2 and are inserted into the limiting through holes 307 on the sealing strip body 301, and then the knob 309 is pressed to make the fixing post 310 plug into the other two plug holes 311. At this time, the fixing post 310 and the magnetic blocks on the plug holes 311 are re-adsorbed to each other, thereby completing the limiting and fixing of the sealing strip body 301; In addition, when the T-shaped linkage rod 305 slides toward the sealing strip body 301, the T-shaped linkage rod 305 drives the block 401 to slide toward the sealing strip body 301 at the same time. Since the block 401 and the inverted L-shaped pressure rod 404 are provided with a rack 403 on the opposite side, and the two racks 403 are meshed with the gear 402, when the block 401 slides upward, the inverted L-shaped pressure rod 404 can be driven to slide downward under the action of the rack 403 and the gear 402, so that the inverted L-shaped pressure rod 404 and the block 401 are close to each other, and the sealing strip body 301 in the middle is clamped, which further improves the fixing effect of the sealing strip and ensures the stability of the sealing strip when in use. By setting the first sealing limiting mechanism and the second sealing limiting mechanism, when the sealing strip body 301 is installed with the box door 2, the limiting plug column 306 cooperates with the limiting perforation 307, and the inverted L-shaped pressure rod 404 cooperates with the stop block 401, so as to complete the installation between the sealing strip body 301 and the box door 2. Compared with the bonding and clamping in the prior art, the use of adhesives is avoided, the cost of adhesives is saved, and the rework and maintenance costs caused by improper use of adhesives are reduced. In addition, there is no need to wait for the adhesive to solidify each time the adhesive is installed, and the installation process is faster and more efficient. At the same time, during installation, the inverted L-shaped pressure rod 404, the stop block 401, and the clamping and limiting plug column 306 are inserted and limited, so that the sealing strip body 301 will not produce large wear during installation. Reduced wear means that the components can maintain a good working condition for a longer time, thereby extending the service life of the entire product, so that the sealing strip body 301 can be used repeatedly, and the fixing effect during use can be guaranteed. In addition, through the cooperation among the rotating disk 302, the arc track 303 and the T-shaped linkage rod 305, and the cooperation between the inverted L-shaped pressure rod 404 and the abutment block 401, the rotating disk 302 can simultaneously drive multiple T-shaped linkage rods 305 to slide close to the sealing strip body 301 through one rotation, and make the limiting plug posts 306 in multiple directions plug into the limiting through-holes 307. At the same time, the inverted L-shaped pressure rod 404 and the abutment block 401 complete the clamping work of the sealing strip body 301, which not only ensures the fixing effect and stability of the sealing strip body 301 during installation, but also reduces the need for step-by-step installation and multiple adjustments, making the installation process smoother and more efficient, so that the plug-in positions in all directions can be accurately aligned, avoiding installation problems caused by misalignment, thereby ensuring the sealing effect of the explosion-proof box body 1 during use; And through the setting of the fixing column 310 and the socket 311, after the knob 309 is rotated and the sealing strip body 301 is fixedly installed, the fixing column 310 can be inserted into the socket 311, and the magnetic blocks on the fixing column 310 and the socket 311 are adsorbed to complete the fixing of the knob 309, thereby improving the fixing effect of the knob 309 and further ensuring the stability of the sealing strip body 301 after installation.

[0025] Please refer to the above working process Figures 1 to 7 .

[0026] The following is the working process of the sealing disassembly mechanism pushing and disassembling the sealing strip body 301: Further, when the sealing strip body 301 needs to be disassembled, refer to Figure 3, the rotating disk 302 can be rotated clockwise, and under the push and guidance of the arc surface of the arc track 303, the limiting plug 306 is separated from the limiting through hole 307, and the inverted L-shaped pressure rod 404 and the stop block 401 cancel the clamping of the sealing strip body 301. As the rotating disk 302 continues to rotate, the swing rod 501 drives the squeezing ball 502 to move toward the direction of the connecting plate 504. Since the connecting plate 504 is located on the rotation track of the squeezing ball 502, when the squeezing ball 502 approaches the connecting plate 504, since the connecting plate 504 is located on the movement track of the squeezing ball 502, Therefore, the arc surface of the squeezing ball 502 will squeeze the connecting plate 504, so that the connecting plate 504 drives the push rod 503 to move in the direction of the sealing strip body 301, and then the sealing strip body 301 can be pushed out of the installation groove of the door 2 by the push of the push rod 503, thereby further improving the efficiency of disassembly and maintenance of the sealing strip body 301, and at the same time, the operation of releasing the fixing and pushing the sealing strip body 301 can be carried out simultaneously by rotating the rotating disk 302, thereby further saving the operation steps, thereby greatly shortening the disassembly and maintenance time of the sealing strip body 301.

[0027] Please refer to the above working process Figures 1 to 7 .

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof box for mining electrical appliances, comprising an explosion-proof box body (1), one side of the explosion-proof box body (1) being rotatably connected to a box door (2), characterized in that: It also includes: a first sealing limiting mechanism, a second sealing limiting mechanism and a sealing disassembly mechanism; The first sealing limiting mechanism comprises a sealing strip body (301), the first sealing limiting mechanism and the second sealing limiting mechanism are both used to limit the sealing strip body (301), and the sealing disassembly mechanism is used to push and disassemble the sealing strip body (301).

2. The explosion-proof box for mining electrical appliances according to claim 1, characterized in that: The first sealing limiting mechanism further comprises a rotating disk (302), the sealing strip body (301) being inserted into one side of the box door (2), the rotating disk (302) being rotatably connected to one side of the inner wall of the box door (2), one end of the rotating disk (302) being provided with arc tracks (303) at equal intervals, one side of the inner wall of the box door (2) being fixedly connected with a guide block (304), a T-shaped linkage rod (305) being slidably connected in the guide block (304), and one end of the T-shaped linkage rod (305) being close to the rotating disk (302) being slidably connected to the arc track (303).

3. The explosion-proof box for mining electrical appliances according to claim 2, characterized in that: The T-shaped linkage rod (305) is fixedly connected to the limiting plug posts (306) at equal intervals on one side close to the sealing strip body (301), and the sealing strip body (301) is provided with limiting through holes (307) at equal intervals on the outside, and the limiting plug posts (306) are plugged into the limiting through holes (307).

4. The explosion-proof box for mining electrical appliances according to claim 3 is characterized in that: A sliding rod (308) is slidably inserted through one side of the box door (2); the sliding rod (308) is arranged in a hexagonal shape; the sliding rod (308) is slidably connected to the rotating disk (302); and a knob (309) is fixedly connected to one end of the sliding rod (308) away from the rotating disk (302).

5. The explosion-proof box for mining electrical appliances according to claim 4 is characterized in that: The outer surface of the knob (309) is symmetrically fixedly connected with a fixing column (310), and the outer side of the box door (2) is symmetrically provided with a plug hole (311), the fixing column (310) is plugged into the plug hole (311), and a magnetic block is arranged at one end of the fixing column (310) and in the plug hole (311), and the two magnetic blocks are arranged with their magnetic poles attracting each other.

6. The explosion-proof box for mining electrical appliances according to claim 2, characterized in that: The second sealing limiting mechanism comprises a stopper (401), the stopper (401) being symmetrically fixedly connected to one side of the T-shaped linkage rod (305), the stopper (401) being slidably connected to the box door (2), one side of the stopper (401) being able to contact the sealing strip body (301), and a gear (402) being fixedly connected to the inner wall of the box door (2).

7. The explosion-proof box for mining electrical appliances according to claim 6, characterized in that: An inverted L-shaped pressure rod (404) is slidably connected to the inner wall of the door (2) near the gear (402), and the inverted L-shaped pressure rod (404) can contact the sealing strip body (301). A rack (403) is fixedly connected to the side of the inverted L-shaped pressure rod (404) opposite to the stop block (401), and the rack (403) is meshed with the gear (402).

8. The explosion-proof box for mining electrical appliances according to claim 2, characterized in that: The seal disassembly mechanism comprises a swing rod (501), the swing rod (501) is symmetrically fixedly connected to the outer surface of the rotating disk (302), one end of the swing rod (501) away from the rotating disk (302) is fixedly connected to a squeezing ball (502), a push rod (503) and a connecting plate (504) are slidably connected in the box door (2), the push rod (503) and the connecting plate (504) are fixedly connected, and a return spring (505) is fixedly connected between the connecting plate (504) and the box door (2).

Images