Explosion-proof PLC control cabinet
By designing linkage structures such as the rocker, forward screw and universal wheels, as well as structures such as third hinges and bolts in the explosion-proof PLC control cabinet, the problem of difficulty in transporting the explosion-proof PLC control cabinet is solved, achieving convenient movement and Improve explosion protection.
Patent Information
- Application Number
- CN202323629932.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The existing explosion-proof PLC control cabinet is too thick, which makes it difficult to carry and a single person cannot complete the handling, which increases the complexity and time cost of handling, and increases the labor intensity of staff.
An explosion-proof PLC control cabinet is designed, which uses a linkage structure such as a crank handle and a forward-rotating screw rod. The control cabinet body can be moved conveniently through universal wheels, and the fixation of the cabinet door is enhanced through structures such as third hinges and bolts. Improve explosion protection.
It realizes the convenient movement of the control cabinet, saves time and effort, reduces the complexity and time cost of transportation, and improves the explosion-proof performance of the control cabinet to prevent the cabinet door from easily detaching in the event of an explosion.
Smart Images
Figure CN222381889U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PLC control cabinets, in particular to an explosion-proof PLC control cabinet. Background Art
[0002] An explosion-proof PLC control cabinet places control circuit components in a special sealed casing to prevent the external environment from being affected when the internal electrical appliances explode, and to prevent the internal circuit components from being affected by the external environment. Existing explosion-proof PLC control cabinets generally fill the sealed casing with inert gas to make the air pressure inside the shell greater than the air pressure outside the shell. When the air pressure inside the shell drops, the air pressure inside the shell is replenished by a compressor. Another method is to continuously introduce inert gas into the shell and discharge it through the outlet, which can take away the charge, heat and dust inside the shell, so that the conditions for explosion are not met inside the shell.
[0003] However, the current explosion-proof PLC control cabinet is too heavy, and it is too troublesome to move the explosion-proof PLC control cabinet. Due to the heavy weight of the control cabinet, it is impossible to complete the task of moving it by one person alone, and it must be completed with the help of multiple workers. This not only greatly increases the complexity and time cost of the moving work, but also significantly increases the labor intensity of the workers. Utility Model Content
[0004] The utility model aims to solve the problem in the prior art that the control cabinet is not convenient for transportation.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of explosion-proof PLC control cabinet, including a control cabinet body, a base is fixedly installed at the bottom of the control cabinet body, a first rotating shaft is movably embedded in the right center of the base near the top, a crank is fixedly installed on the right side of the first rotating shaft, a forward rotating screw is fixedly installed on the left side of the first rotating shaft and located inside the base, a second rotating shaft is fixedly installed on the left side of the forward rotating screw, a reverse rotating screw is fixedly installed on the left side of the second rotating shaft, the left outer surface of the reverse rotating screw is movably embedded in the left center of the inner wall of the base, the outer surfaces of the forward rotating screw and the reverse rotating screw are movably sleeved with sliders, a first sliding groove is opened at the center of the top side of the inner wall of the base, and the top outer surfaces of the two sliders are slidably connected to the inner surface of the first sliding groove.
[0006] As a preferred implementation, a first hinge is fixedly mounted on the bottom of the two sliding blocks, and a support rod is movably connected to the center of the bottom of the two first hinges.
[0007] The technical effect of adopting the above further solution is: the support rod is driven to move by the first hinge.
[0008] As a preferred implementation, a second hinge is movably mounted on the other end of each of the two support rods, and a bottom plate is fixedly mounted on the bottom of each of the two second hinges.
[0009] The technical effect of adopting the above further solution is that the top of the support rod can be flipped outwards through the second hinge setting when the support rod moves.
[0010] As a preferred embodiment, second sliding grooves are provided at the centers of both sides of the inner wall of the base, and the outer surfaces of both sides of the bottom plate are slidably connected to the inner surfaces of the second sliding grooves.
[0011] The technical effect of adopting the above further solution is: the bottom plate slides downward through the second sliding groove.
[0012] As a preferred embodiment, dampers are fixedly installed around the bottom of the base plate, and return springs are fixedly installed around the bottom of the base plate, and the inner surfaces of the four return springs are movably mounted on the outer surface of the damper.
[0013] The technical effect of adopting the above further solution is: telescopic buffering is performed through the return spring and the damper.
[0014] As a preferred embodiment, connecting plates are fixedly installed at the bottom of the four return springs and the four dampers, universal wheels are fixedly installed at the bottom of the four connecting plates and inside the base, and a cabinet door is movably connected to the rear side of the control cabinet body.
[0015] The technical effect of adopting the above further solution is: first push the cabinet door to the right so that the cabinet door covers the rear side of the control cabinet body.
[0016] As a preferred embodiment, two third hinges are fixedly installed at the rear right end of the cabinet door, and bolts are fixedly installed at the front end of the right side of the two third hinges.
[0017] The technical effect of adopting the above further solution is: the bolt is rotated to the left through the third hinge.
[0018] As a preferred embodiment, nuts are movably sleeved on the outer surfaces of the two bolts, and flanges are fixedly installed at both ends of the right side of the control cabinet body and close to the rear sides of the nuts.
[0019] The technical effect of adopting the above further solution is: the bolt is embedded in the right center of the flange.
[0020] Compared with the prior art, the advantages and positive effects of the utility model are:
[0021] 1. The utility model, when in use, through the linkage structure of the crank handle and the forward-rotating screw rod, when the staff needs to move the control cabinet body, they only need to turn the crank handle to make the universal wheel extend out of the base to drive the control cabinet body to move, which saves time and effort. After it moves to a suitable position, the crank handle can be reversed to drive the universal wheel to retract into the base, so as to prevent the control cabinet body from being misplaced due to the accidental rotation of the universal wheel after the control cabinet body moves to a suitable position, thereby affecting the use of the device and solving the problem that the control cabinet is inconvenient to move.
[0022] 2. When the utility model is in use, the third hinge, bolts and other structures can make the cabinet door and the control cabinet body more firmly closed, so that when the control cabinet body encounters an explosion, the cabinet door can be prevented from easily separating from the control cabinet body, thereby increasing the explosion-proof performance of the control cabinet body. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A left-side stereoscopic structural diagram of an explosion-proof PLC control cabinet provided by the utility model;
[0024] Figure 2 A right-side perspective structural diagram of an explosion-proof PLC control cabinet provided by the utility model;
[0025] Figure 3 A schematic diagram of the cross-sectional three-dimensional structure of the base of an explosion-proof PLC control cabinet provided by the utility model Figure 1 ;
[0026] Figure 4 A schematic diagram of the cross-sectional three-dimensional structure of the base of an explosion-proof PLC control cabinet provided by the utility model Figure 2 .
[0027] Legend:
[0028] 1. Control cabinet body; 101. Base; 102. First rotating shaft; 103. Crank; 104. Forward screw; 105. Second rotating shaft; 106. Reverse screw; 107. Slider; 108. First slide groove; 109. First hinge; 110. Support rod; 111. Second hinge; 112. Bottom plate; 113. Second slide groove; 114. Damper; 115. Return spring; 116. Connecting plate; 117. Universal wheel; 2. Cabinet door; 201. Third hinge; 202. Bolt; 203. Flange; 204. Nut. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] Example 1, please refer to Figure 1-4 The utility model provides a technical solution: an explosion-proof PLC control cabinet, including a control cabinet body 1, a base 101 is fixedly installed at the bottom of the control cabinet body 1, a first rotating shaft 102 is movably embedded at the right center of the base 101 near the top, a crank 103 is fixedly installed on the right side of the first rotating shaft 102, a forward screw rod 104 is fixedly installed on the left side of the first rotating shaft 102 and located inside the base 101, a second rotating shaft 105 is fixedly installed on the left side of the forward screw rod 104, a reverse screw rod 106 is fixedly installed on the left side of the second rotating shaft 105, the left outer surface of the reverse screw rod 106 is movably embedded in the left center of the inner wall of the base 101, the outer surfaces of the forward screw rod 104 and the reverse screw rod 106 are movably sleeved with a slider 107, a first slide groove 108 is opened at the center of the top side of the inner wall of the base 101, and the top outer surfaces of the two sliders 107 are slidably connected to the first slide groove 108 On the inner surface, the bottom of the two sliders 107 are fixedly installed with a first hinge 109, the bottom centers of the two first hinges 109 are movably connected with a support rod 110, the other ends of the two support rods 110 are movably installed with a second hinge 111, and the bottom of the two second hinges 111 is fixedly installed with a bottom plate 112. The centers of both sides of the inner wall of the base 101 are provided with a second slide groove 113, and the outer surfaces of both sides of the bottom plate 112 are slidably connected to the inner surfaces of the second slide groove 113. Dampers 114 are fixedly installed around the bottom of the bottom plate 112, and return springs 115 are fixedly installed around the bottom of the bottom plate 112. The inner surfaces of the four return springs 115 are movably sleeved on the outer surfaces of the dampers 114. The four return springs 115 and the bottoms of the four dampers 114 are fixedly installed with connecting plates 116, and universal wheels 117 are fixedly installed at the bottom of the four connecting plates 116 and located inside the base 101.
[0031] In this embodiment, when the control cabinet needs to be moved, the crank handle 103 is first rotated forward to drive the forward screw rod 104 to rotate through the first rotating shaft 102, and then the forward screw rod 104 drives the reverse screw rod 106 to rotate synchronously through the second rotating shaft 105 when rotating. When the forward screw rod 104 and the reverse screw rod 106 rotate synchronously, they drive the slider 107 to slide in opposite directions inside the first sliding groove 108, and then drive the support rod 110 to move synchronously through the first hinge 109, so that the support rod 110 is set through the second hinge 111 during movement, so that the top of the support rod 110 can flip outward, and at the same time, the second hinge 111 is pressed down to drive the bottom plate 112 to slide downward through the second sliding groove 113, and when the bottom plate 112 slides downward, it drives the universal wheel 117 to extend out of the base 101 to support the control cabinet body 1, and then push the control cabinet body 1 to drive the universal wheel 117 to rotate. Thereby, the control cabinet body 1 is moved, and when the control cabinet body 1 encounters different potholes on the ground during movement, by installing the top connecting plate 116 of the universal wheel 117, the return spring 115 and the damper 114 connected to the top of the connecting plate 116 are telescopically buffered, thereby reducing the amplitude of the universal wheel 117, making the control cabinet body 1 more stable when moving, and through the linkage structure such as the crank 103 and the forward screw rod 104, when the staff needs to move the control cabinet body 1, they only need to turn the crank 103 to make the universal wheel 117 extend out of the base 101 and drive the control cabinet body 1 to move, saving time and effort, and after it moves to the appropriate position, the crank 103 can be reversed to drive the universal wheel 117 to retract into the base 101, to prevent the control cabinet body 1 from being dislocated due to the accidental rotation of the universal wheel 117 after the control cabinet body 1 moves to the appropriate position, thereby affecting the use of the device.
[0032] Embodiment 2, as Figure 1-4 As shown, the rear side of the control cabinet body 1 is movably connected to the cabinet door 2, and two third hinges 201 are fixedly installed on the rear right end of the cabinet door 2. Bolts 202 are fixedly installed on the right front end of the two third hinges 201. Nuts 204 are movably sleeved on the outer surfaces of the two bolts 202. Flanges 203 are fixedly installed on both ends of the right side of the control cabinet body 1 and close to the rear side of the nuts 204.
[0033] In this embodiment, the cabinet door 2 is first pushed to the right so that the cabinet door 2 covers the rear side of the control cabinet body 1, and then the bolt 202 is rotated to the left through the third hinge 201 so that the bolt 202 is embedded in the right center of the flange 203, and the nut 204 is put on the bolt 202 so that the nut 204 fits the front side of the flange 203, thereby fixing the cabinet door 2 and the control cabinet body 1. The third hinge 201 and the bolt 202 and other structures can make the cabinet door 2 and the control cabinet body 1 more firmly closed, so that when the control cabinet body 1 encounters an explosion, the cabinet door 2 can be prevented from easily separating from the control cabinet body 1, thereby increasing the explosion-proof performance of the control cabinet body 1.
[0034] Working principle: when in use, when the control cabinet needs to be moved, first the crank handle 103 is rotated forward to drive the forward screw rod 104 to rotate through the first rotating shaft 102, and then the forward screw rod 104 drives the reverse screw rod 106 to rotate synchronously through the second rotating shaft 105 when rotating, and when the forward screw rod 104 and the reverse screw rod 106 rotate synchronously, the slider 107 is driven to slide in opposite directions inside the first slide groove 108, and then the support rod 110 is driven to move synchronously through the first hinge 109, so that the support rod 110 is set through the second hinge 111 when moving, so that the top of the support rod 110 can flip outward, and at the same time, the second hinge 111 is pressed down to drive the bottom plate 112 to slide downward through the second slide groove 113, and when the bottom plate 112 slides downward, it drives the universal wheel 117 to extend out of the base 101 to support the control cabinet body 1, and then push the control cabinet body 1 to drive the universal wheel 117 to rotate The control cabinet body 1 is moved, and then the control cabinet body 1 is moved. When the control cabinet body 1 encounters different potholes on the ground during movement, the top connecting plate 116 of the universal wheel 117 is installed, and the return spring 115 and the damper 114 connected to the top of the connecting plate 116 are telescopically buffered, thereby reducing the amplitude of the universal wheel 117, making the control cabinet body 1 more stable when moving. Through the linkage structure such as the crank 103 and the forward screw rod 104, when the staff needs to move the control cabinet body 1, they only need to turn the crank 103 to make the universal wheel 117 extend out of the base 101 and drive the control cabinet body 1 to move, which saves time and effort. After it moves to the appropriate position, the crank 103 can be reversed to drive the universal wheel 117 to retract into the base 101, so as to prevent the control cabinet body 1 from being dislocated due to the accidental rotation of the universal wheel 117 after the control cabinet body 1 moves to the appropriate position, thereby affecting the use of the device. When in use, first push the cabinet door 2 to the right so that the cabinet door 2 covers the rear side of the control cabinet body 1, and then rotate the bolt 202 to the left through the third hinge 201, so that the bolt 202 is embedded in the right center of the flange 203, and the nut 204 is put on the bolt 202, so that the nut 204 fits against the front side of the flange 203, thereby fixing the cabinet door 2 and the control cabinet body 1. The third hinge 201 and the bolt 202 and other structures can make the cabinet door 2 and the control cabinet body 1 more firmly closed, so that when the control cabinet body 1 encounters an explosion, the cabinet door 2 can be prevented from easily separating from the control cabinet body 1, thereby increasing the explosion-proof performance of the control cabinet body 1.
[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. An explosion-proof PLC control cabinet, comprising a control cabinet body (1), characterized in that: The bottom of the control cabinet body (1) is fixedly mounted with a base (101), a first rotating shaft (102) is movably embedded in the center of the right side of the base (101) near the top, a crank (103) is fixedly mounted on the right side of the first rotating shaft (102), a forward-rotating screw rod (104) is fixedly mounted on the left side of the first rotating shaft (102) and located inside the base (101), a second rotating shaft (105) is fixedly mounted on the left side of the forward-rotating screw rod (104), a reverse-rotating screw rod (106) is fixedly mounted on the left side of the second rotating shaft (105), and the left outer surface of the reverse-rotating screw rod (106) is movably embedded in the bottom At the center of the left side of the inner wall of the seat (101), the outer surfaces of the forward-rotating screw rod (104) and the reverse-rotating screw rod (106) are movably sleeved with a slider (107), and a first slide groove (108) is opened at the center of the top side of the inner wall of the base (101). The top outer surfaces of the two sliders (107) are slidably connected to the inner surface of the first slide groove (108). The bottoms of the two sliders (107) are fixedly installed with a first hinge (109), and the bottom centers of the two first hinges (109) are movably connected with a support rod (110), and the other ends of the two support rods (110) are movably installed with a second hinge (111). A bottom plate (112) is fixedly installed at the bottom of the two second hinges (111), a second slide groove (113) is opened at the center of both sides of the inner wall of the base (101), the outer surfaces of both sides of the bottom plate (112) are slidably connected to the inner surfaces of the second slide groove (113), dampers (114) are fixedly installed around the bottom of the bottom plate (112), and return springs (115) are fixedly installed around the bottom of the bottom plate (112), the inner surfaces of the four return springs (115) are movably sleeved on the outer surfaces of the dampers (114), and the four return springs (115) and the four dampers (114) are connected. A connecting plate (116) is fixedly installed at the bottom, and universal wheels (117) are fixedly installed at the bottom of the four connecting plates (116) and inside the base (101). The rear side of the control cabinet body (1) is movably connected to a cabinet door (2), and two third hinges (201) are fixedly installed at the right end of the rear side of the cabinet door (2). Bolts (202) are fixedly installed at the front end of the right side of the two third hinges (201), and nuts (204) are movably sleeved on the outer surfaces of the two bolts (202). Flanges (203) are fixedly installed at both ends of the right side of the control cabinet body (1) and close to the rear side of the nuts (204).