An explosion-proof operating column that is easy to install

Abstract

The invention discloses an explosion-proof operating column which is easy to install and relates to the technical field of explosion-proof operating columns. The operating mechanism comprises an operating box, a column is arranged below the operating box, two indicator lights are fixedly connected to the left side of the operating box, two control buttons are fixedly connected to the left side of the operating box, a control switch is fixedly connected to the left side of the operating box, the control switch is located between the two control buttons, and a fixing mechanism is arranged at the bottom end of the column. The explosion-proof operating column which is easy to install does not require the use of a screwdriver and a screw to cooperate when the column on the explosion-proof operating column is installed in a working position, which not only increases the convenience of installing and fixing the column and the installation position, but also prevents the phenomenon of high temperature and sparks due to slipping after the screwdriver contacts the screw, effectively increases the safety of column installation on the explosion-proof operating column, and improves the overall explosion-proof performance of the explosion-proof operating column when it is installed and used.

Description

Technical Field

[0001] The invention relates to the technical field of explosion-proof operating columns, in particular to an explosion-proof operating column which is easy to install. Background Art

[0002] The explosion-proof operating column is a control system used in explosive gas environments. It has the characteristics of flexible control and a wide range of uses. The explosion-proof operating column is equipped with universal conversion switches, buttons, ammeters, indicator lights and other structures. The explosion-proof operating column achieves the purpose of explosion-proof by limiting the pressure and temperature of the gas inside the operating column and the connection between the operating rod and the wire to avoid sparks, electric arcs, etc. caused by operation to heat and ignite flammable and explosive gases. In some cases, in order to ensure higher safety performance, the explosion-proof operating column can also be used in conjunction with safety facilities such as explosion-proof cabinets and explosion-proof lighting.

[0003] When the existing explosion-proof operating column is in use, the explosion-proof operating column is usually fixed to the work station with screws. This fixing method, whether using an electric screwdriver or a manual screwdriver, is not only not convenient and quick to install, but also the contact between the screwdriver and the screw is prone to generate high temperature and even sparks due to friction and slippage, which greatly affects the installation safety and explosion-proof performance of the explosion-proof operating column. In addition, when inspecting the operating box on the explosion-proof operating column, it is also necessary to loosen the screws to remove the operating box from the explosion-proof operating column and move it to the inspection position for inspection and maintenance, which increases the number of times the screws are disassembled and assembled, making the explosion-proof operating column more prone to high temperature and even sparks due to friction and slippage between the screwdriver and the screw, thereby reducing the safety of the explosion-proof operating column.

[0004] Combining the above problems, we will find that it is difficult to avoid the above problems at the same time when using the existing explosion-proof operating columns on the market, and even if they can be solved, they need to be solved with the cooperation of external tools, which cannot achieve the desired effect. Therefore, we propose an explosion-proof operating column that is easy to install. Summary of the invention

[0005] The object of the present invention is to provide an explosion-proof operating column that is easy to install, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: an explosion-proof operating column that is easy to install, comprising an operating mechanism, the operating mechanism comprising an operating box, a column body is arranged below the operating box, two indicator lights are fixedly connected to the left side of the operating box, two control buttons are fixedly connected to the left side of the operating box, a control switch is fixedly connected to the left side of the operating box, the control switch is located between the two control buttons, and a fixing mechanism is arranged at the bottom end of the column body;

[0007] The fixing mechanism comprises an installation and positioning unit, the installation and positioning unit is located inside the column, and the installation and positioning unit is used to fix and install the position of the column;

[0008] The fixing mechanism further comprises an installation and fastening unit, the installation and fastening unit is located inside the installation and positioning unit, and the installation and fastening unit is used to increase the installation fastening degree of the column;

[0009] A clamping mechanism is arranged above the installation and positioning unit. The clamping mechanism is used in conjunction with a fixing mechanism and is used to clamp and fix the operation box on the column.

[0010] Preferably, the installation and positioning unit includes a threaded rod, which is located inside the column, and four symmetrically distributed limiting grooves are opened at the lower part of the outer surface of the column, the outer surface of the threaded rod is threadedly connected with a moving seat, and the moving seat is slidably connected to the inside of the column, and the outer surface of the moving seat is fixedly connected with four hinged frames, each of the hinged frames is slidably connected to the inside of the limiting groove, and the inside of each of the hinged frames is rotatably hinged with a connecting arm through a pin shaft, and the bottom end of each connecting arm is rotatably hinged with a connecting frame, and the bottom end of the column is fixedly connected with a positioning plate, and the upper surface of the positioning plate is opened with four auxiliary grooves, and the inside of each auxiliary groove is slidably connected with a moving frame, and the upper surface of each moving frame is fixedly connected to the bottom surface of the connecting frame, and each of the auxiliary grooves is opened on the opposite sides. A stabilizing groove, and the outer surface of each moving frame is fixedly connected with two symmetrical sliding columns, and each sliding column is slidably connected to the inside of the stabilizing groove, and the inside of each moving frame is threadedly connected with a fixing column, and the outer surface of each fixing column is fixedly connected with a nut.

[0011] Preferably, two bearing frames are sleeved on the outer surface of the threaded rod, and the outer surface of each bearing frame is fixedly connected to the inner wall of the column.

[0012] Preferably, the installation and fastening unit includes an air cylinder, the bottom surface of which is fixedly connected to the inner bottom wall of the cylinder, a piston is slidably connected to the inside of the air cylinder, a guide rod is fixedly connected to the upper surface of the piston, the top of the guide rod passes through the air cylinder and is fixedly connected to a push plate, two push rods are fixedly connected to the upper surface of the push plate, the tops of the two push rods are fixedly connected to the bottom surface of the moving seat, the outer surface of the air cylinder is fixedly connected to four air guide hoses, the air inlet end of each of the air guide hoses is located above the piston, an air bag is clamped inside each of the fixed columns, and the other end of each of the air guide hoses is connected to the air bag Rotationally connected, a plurality of overflow grooves are provided on the outer surface of each fixed column, a limiting ring is fixedly connected to the outer surface of each air outlet end of the air guide hose, each limiting ring is located inside the airbag, and the upper surface of each limiting ring contacts the inner wall of the airbag, and two one-way valves are fixedly connected to the outer surface of the air cylinder, and the two one-way valves are located above the air inlet end of the air guide hose, a worm gear is fixedly connected to the outer surface of the threaded rod, and a handle frame is rotatably connected to the outer side of the column, a worm is fixedly connected to the outer surface of the handle frame, and the worm is meshed with the worm gear, and the worm is located inside the column.

[0013] Preferably, a sealing ring is fixedly embedded on the upper surface of the gas cylinder, and the inner wall of the sealing ring is in contact with the outer surface of the guide rod.

[0014] Preferably, the outer surface of one end of each of the air guide hoses is fixedly connected to a sealing cover, the inner wall of each of the sealing covers is in contact with the outer surface of the airbag, and each of the sealing covers is located above the nut.

[0015] Preferably, the outer surface of the handle frame is rotatably connected to two stabilizing sleeves, and one side of each of the stabilizing sleeves is fixedly connected to the outer surface of the column.

[0016] Preferably, the clamping mechanism includes two clamping frames, the upper surfaces of the two clamping frames are fixedly connected to the bottom surface of the operation box, and the two side surfaces of the two clamping frames are provided with clamping grooves, the inner wall of the column is fixedly connected with a compression spring, the top of the compression spring is fixedly connected with a top plate, the top plate is slidably connected to the inside of the column, a lower pressure block is arranged above the top plate, the lower pressure block is slidably connected to the inside of the column, the upper surface of the lower pressure block is fixedly connected to the bottom surface of the operation box, and the outer surface of the column is fixedly connected with two clamping seats, the two clamping seats are clamped in the inside of the clamping frames, and the two The inner walls of the clamping seats are fixedly connected to the limit plates, the two side surfaces of each limit plate are fixedly connected to the limit springs, the other end of each limit spring is fixedly connected to a positioning block, each positioning block is slidably connected to the inside of the clamping seat, the upper surface of each positioning block is an inclined surface, each positioning block is clamped to the inside of the clamping groove, the insides of the two clamping seats are slidably connected to the pull-down columns, the top ends of the two pull-down columns are fixedly connected to movable frames, the insides of the two movable frames are rotatably hinged with pull rods, and the top end of each pull rod is rotatably hinged to the bottom surface of the positioning block.

[0017] Preferably, the upper surfaces of the two clamping seats are fixedly connected with triangular blocks, and the two triangular blocks are clamped in the interior of the clamping frame. A telescopic rod is provided inside the compression spring, and the telescopic end of the telescopic rod is fixedly connected to the bottom surface of the top plate, and the bottom end of the telescopic rod is fixedly connected to the inner wall of the column.

[0018] Preferably, the outer surface of the column is slidably connected to a connecting ring, the bottom ends of the two pull-down columns are fixedly connected to the upper surface of the connecting ring, the bottom surfaces of the two clamping seats are in contact with the upper surface of the connecting ring, and the outer surface of the connecting ring is fixedly connected to two symmetrical handles.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The present invention provides an installation and positioning unit of a fixing mechanism, so that when the column on the explosion-proof operating column is installed in the working position, there is no need to use a screwdriver and a screw. This not only increases the convenience of installing and fixing the column and the installation position, but also prevents the occurrence of high temperature and sparks due to slipping after the screwdriver and the screw come into contact. This effectively increases the safety of the column installation on the explosion-proof operating column and improves the overall explosion-proof performance of the explosion-proof operating column when it is installed and used.

[0021] 2. The present invention provides an installation and fastening unit, which can have a certain buffering effect when the column is installed, making it less likely for high temperature and sparks to occur during the installation of the column. At the same time, it can provide a certain friction force, making the installation of the column more stable and reliable. It can also further locate the position of the column after installation, making it less likely for the column to become loose from the installation position, further increasing the reliability and stability of the explosion-proof operating column during installation and use.

[0022] 3. The present invention, by providing a snap-on mechanism, can make the installation and disassembly between the operating box and the column also unnecessary for the use of screws and screwdrivers, so that when the operating box is disassembled for maintenance, high temperature or sparks will not occur due to the friction and slippage between the screwdriver and the screws. Moreover, since the installation and disassembly between the operating box and the column do not require the use of screws, the convenience of assembly and disassembly of the operating box is also increased, making the inspection and maintenance of the operating box on the explosion-proof operating column safer, more reliable and convenient for assembly and disassembly, further improving the explosion-proof safety of the explosion-proof operating column when it is used as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the column of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the positioning plate of the present invention;

[0026] Figure 4 It is a schematic cross-sectional structural diagram of a fixing column of the present invention;

[0027] Figure 5 It is a schematic cross-sectional view of the gas cylinder of the present invention;

[0028] Figure 6 It is a structural schematic diagram of the threaded rod of the present invention;

[0029] Figure 7 It is a bottom view structural schematic diagram of the operation box of the present invention;

[0030] Figure 8 It is a schematic cross-sectional structural diagram of the clamping frame of the present invention;

[0031] Fig. 9 It is a schematic cross-sectional structural diagram of the card connector of the present invention.

[0032] In the figure: 1. operating mechanism; 11. operating box; 12. column; 13. indicator light; 14. control button; 15. control switch; 2. fixing mechanism; 21. installing positioning unit; 2101. threaded rod; 2102. limiting groove; 2103. moving seat; 2104. articulated frame; 2105. connecting arm; 2106. connecting frame; 2107. positioning plate; 2108. auxiliary groove; 2109. moving frame; 2110. stabilizing groove; 2111. sliding column; 2112. fixing column; 2113. nut; 2114. bearing frame; 22. installing fastening unit; 2201. cylinder; 2202. piston; 2203. guide rod; 2204. push plate; 2205 , push rod; 2206, air guide hose; 2207, air bag; 2208, overflow groove; 2209, one-way valve; 2210, worm gear; 2211, handle frame; 2212, worm; 2213, sealing ring; 2214, sealing cover; 2215, limiting ring; 2216, stabilizing sleeve; 3, clamping mechanism; 301, clamping frame; 302, clamping groove; 303, compression spring; 304, top plate; 305, lower pressure block; 306, clamping seat; 307, limiting plate; 308, limiting spring; 309, positioning block; 310, handle; 311, pull-down column; 312, movable frame; 313, pulling rod; 314, telescopic rod; 315, triangle block; 316, connecting ring. DETAILED DESCRIPTION

[0033] 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.

[0034] Embodiment 1

[0035] See also Figure 1-9 The present invention provides a technical solution: an explosion-proof operating column that is easy to install, comprising an operating mechanism 1, the operating mechanism 1 comprising an operating box 11, a column 12 is arranged below the operating box 11, two indicator lights 13 are fixedly connected to the left side of the operating box 11, two control buttons 14 are fixedly connected to the left side of the operating box 11, a control switch 15 is fixedly connected to the left side of the operating box 11, the control switch 15 is located between the two control buttons 14, and a fixing mechanism 2 is arranged at the bottom end of the column 12;

[0036] The fixing mechanism 2 includes an installation and positioning unit 21 . The installation and positioning unit 21 is located inside the column 12 . The installation and positioning unit 21 is used to fix and install the position of the column 12 .

[0037] As a further limitation of the fixing mechanism 2 of the present invention, the installation and positioning unit 21 includes a threaded rod 2101, the threaded rod 2101 is located inside the column 12, and four symmetrically distributed limiting grooves 2102 are opened on the lower part of the outer surface of the column 12. The outer surface of the threaded rod 2101 is threadedly connected with a moving seat 2103, and the moving seat 2103 is slidably connected to the inside of the column 12. The outer surface of the moving seat 2103 is fixedly connected with four articulated frames 2104, each of which is slidably connected to the inside of the limiting groove 2102, and the inside of each articulated frame 2104 is rotatably hinged with a connecting arm 2105 through a pin shaft, and the bottom end of each connecting arm 2105 is rotatably hinged with a connecting frame 2106, and the bottom end of the column 12 is fixedly connected with a positioning plate 2107, and the upper surface of the positioning plate 2107 is opened with four auxiliary grooves 2108, and the inside of each auxiliary groove 2108 is slidably connected with a moving frame 2109, and each moving frame 2109 The upper surface is fixedly connected to the bottom surface of the connecting frame 2106, and a stabilizing groove 2110 is provided on the opposite side of the inner cavity of each auxiliary groove 2108. The outer surface of each mobile frame 2109 is fixedly connected to two symmetrical sliding columns 2111, and each sliding column 2111 is slidably connected to the inside of the stabilizing groove 2110. The inside of each mobile frame 2109 is threadedly connected to a fixing column 2112, and the outer surface of each fixing column 2112 is fixedly connected to a nut 2113. By setting the installation and positioning unit 21 of the fixing mechanism 2, the column 12 on the explosion-proof operating column can be installed in the working position without using a screwdriver and a screw. Not only does it increase the convenience of installing and fixing the column 12 and the installation position, but it also prevents the occurrence of high temperature and sparks due to slipping after the screwdriver contacts the screw, which effectively increases the safety of installing the column 12 on the explosion-proof operating column and improves the overall explosion-proof performance of the explosion-proof operating column when it is installed and used.

[0038] The outer surface of the threaded rod 2101 is sleeved with two bearing frames 2114, and the outer surface of each bearing frame 2114 is fixedly connected to the inner wall of the column 12. The bearing frames 2114 can limit the position of the threaded rod 2101 without affecting the rotation of the threaded rod 2101, so that the threaded rod 2101 can be firmly fixed inside the column 12, thereby ensuring the stability of the threaded rod 2101.

[0039] The specific implementation of this embodiment is as follows: first, by utilizing the threaded connection relationship between the fixed column 2112 and the movable frame 2109, the length of the fixed column 2112 extending downwardly from the positioning plate 2107 is adjusted to adapt to the different depths of the reserved holes at the installation position of the explosion-proof operating column body 12, and then the four fixed columns 2112 are simultaneously inserted into the reserved holes. At this time, the rotation of the threaded rod 2101 in coordination with the limit of the bearing frame 2114 can drive the movable seat 2103 to move up and down, and then the articulated frame 2104 can be driven to move up and down under the limit of the limit groove 2102. The up and down movement of the articulated frame 2104 in coordination with the connecting arm 2105 and the connecting frame 2106 can pull the movable frame 2109 to slide inside the auxiliary groove 2108. When the movable frame 2109 slides, the sliding column 2111 will also slide inside the stable groove 2110 to increase the movement. The movable stability of the frame 2109 is prevented from excessive deviation of the movable frame 2109 and affecting the subsequent fixing work, so that the movable frame 2109 can drive the four fixing columns 2112 to approach the center position of the positioning plate 2107 at the same time. At this time, with the cooperation of the threaded groove on the fixing column 2112 and the contact between the fixing column 2112 and the reserved hole, the installation and fixing work of the column 12 can be completed through the friction between the fixing column 2112 and the reserved hole. Therefore, when the column 12 on the explosion-proof operating column is installed in the working position, there is no need to use a screwdriver and a screw. This not only increases the convenience of installation and fixing of the column 12 and the installation position, but also prevents the occurrence of high temperature and sparks due to slipping after the screwdriver and the screw come into contact. This effectively increases the safety of the installation of the column 12 on the explosion-proof operating column, and improves the overall explosion-proof performance of the explosion-proof operating column during installation and use.

[0040] Embodiment 2

[0041] See also Figure 1-9 The present invention provides a technical solution: an explosion-proof operating column that is easy to install. The present invention makes corresponding improvements to the technical problems mentioned in the background technology.

[0042] As a further limitation of the fixing mechanism 2 of the present invention, the fixing mechanism 2 further includes an installation fastening unit 22, the installation fastening unit 22 is located inside the installation positioning unit 21, and the installation fastening unit 22 is used to increase the installation fastening degree of the column 12;

[0043] The installation and fastening unit 22 includes an air cylinder 2201, the bottom surface of the air cylinder 2201 is fixedly connected to the inner bottom wall of the column 12, the interior of the air cylinder 2201 is slidably connected to a piston 2202, the upper surface of the piston 2202 is fixedly connected to a guide rod 2203, the top end of the guide rod 2203 passes through the air cylinder 2201 and is fixedly connected to a push plate 2204, the upper surface of the push plate 2204 is fixedly connected to two push rods 2205, the top ends of the two push rods 2205 are fixedly connected to the bottom surface of the moving seat 2103, and the outer surface of the air cylinder 2201 is fixedly There are four air guide hoses 2206 connected, the air inlet end of each air guide hose 2206 is located above the piston 2202, the interior of each fixed column 2112 is clamped with an air bag 2207, the air bag 2207 has a structure with thicker inner walls at the upper and lower ends and a thinner inner wall in the middle, the other end of each air guide hose 2206 is rotatably connected to the air bag 2207, the outer surface of each fixed column 2112 is provided with a plurality of overflow grooves 2208, the outer surface of the air outlet end of each air guide hose 2206 is fixedly connected to a limit ring 2215, each limit ring The limiting rings 2215 are all located inside the airbag 2207, and the upper surface of each limiting ring 2215 is in contact with the inner wall of the airbag 2207. The outer surface of the air cylinder 2201 is fixedly connected to two one-way valves 2209, and the two one-way valves 2209 are both located above the air inlet end of the air guide hose 2206. The air inlet directions of the two one-way valves 2209 are opposite. The outer surface of the threaded rod 2101 is fixedly connected to a worm gear 2210, and the outer side of the column 12 is rotatably connected to a handle frame 2211, and the outer surface of the handle frame 2211 is fixedly connected to a worm 22 12, the worm 2212 is meshed with the worm wheel 2210, and the worm 2212 is located inside the column 12. By setting the installation and fastening unit 22, it can play a certain buffering effect when the column 12 is installed, so that it is less likely to have high temperature and sparks when the column 12 is installed. At the same time, it can provide a certain friction force, so that the installation of the column 12 is more stable and reliable, and the position of the column 12 after installation can be further positioned, so that it is not easy to get loose between the column 12 and the installation position, which further increases the reliability and stability of the explosion-proof operating column when it is installed and used;

[0044] A sealing ring 2213 is fixedly embedded on the upper surface of the gas cylinder 2201. The inner wall of the sealing ring 2213 contacts the outer surface of the guide rod 2203. The sealing ring 2213 can further seal the gap between the gas cylinder 2201 and the guide rod 2203, so that the gas is not easy to leak out through the gap, thereby ensuring the air pressure strength inside the gas cylinder 2201.

[0045] The outer surface of one end of each air guide hose 2206 is fixedly connected with a sealing cover 2214, and the inner wall of each sealing cover 2214 is in contact with the outer surface of the air bag 2207. The sealing cover 2214 can not affect the relative rotation between the air guide hose 2206 and the air bag 2207. Each sealing cover 2214 is located above the nut 2113, and the gap between the air bag 2207 and the air guide hose 2206 is closed to a certain extent, thereby improving the matching effect between the air bag 2207 and the air guide hose 2206.

[0046] The outer surface of the handle frame 2211 is rotatably connected to two stabilizing sleeves 2216, and one side of each stabilizing sleeve 2216 is fixedly connected to the outer surface of the column 12. The stabilizing sleeve 2216 can limit the position of the handle frame 2211, reduce the wear between the handle frame 2211 and the column 12, and improve the overall service life of the handle frame 2211.

[0047] The specific implementation of this embodiment is as follows: first, insert the airbag 2207 into the fixed column 2112. When the threaded rod 2101 drives the movable seat 2103 to move upward, the push rod 2205 drives the push plate 2204 to move upward, and then the guide rod 2203 can be used to make the piston 2202 slide inside the gas cylinder 2201 to compress the gas inside the gas cylinder 2201. At this time, the gas will be forced to enter the airbag 2207 through the gas guide hose 2206. Then, by using the structure that the inner walls of the upper and lower ends of the airbag 2207 are thicker and the inner wall in the middle is thinner, the middle position of the airbag 2207 can be expanded first. At this time, the friction between the airbag 2207 and the inner wall of the fixed column 2112 can prevent the airbag 2207 from loosening from the fixed column 2112. As the airbag 2207 expands, the airbag 2207 will overflow outward through the overflow groove 2208, and then first contact the fixed column 2112 and the inner wall of the reserved hole, which can effectively buffer the friction between the fixed column 2112 and the inner wall of the reserved hole and reduce the high temperature heat generated by the friction. At the same time, it can also fill the gap between the fixed column 2112 and the reserved hole to a certain extent, making it more difficult for the fixed column 2112 and the reserved hole to slide relative to each other. When the internal pressure of the airbag 2207 is too high, since the air intake directions of the two one-way valves 2209 are opposite, the excess pressure inside the air cylinder 2201 will be discharged outward through the left one-way valve 2209, and when the piston 2202 moves downward inside the air cylinder 2201, the internal air pressure of the airbag 2207 is too low and it is sucked flat. When the air is in the air cylinder 2201, the right non-return valve 2209 will open and let in air, and the left non-return valve 2209 will close, ensuring that the internal pressure of the air cylinder 2201 always maintains the appropriate air pressure. Then, the handle frame 2211 is manually turned to cooperate with the column 12 to drive the worm 2212 to rotate, and then cooperate with the worm gear 2210 to drive the threaded rod 2101 to rotate smoothly. While facilitating the staff to rotate the threaded rod 2101, the good self-locking property between the worm gear 2210 and the worm 2212 can be used to prevent the threaded rod 2101 from rotating in the opposite direction and causing the column 12 to become loose after installation, so that the column 12 cooperates with the installation fastening unit 22, which can play a certain buffering effect when the column 12 is installed, making it less likely to have high temperature and sparks when the column 12 is installed, and at the same time, it can To provide a certain friction force, so that the installation of the column 12 is more stable and reliable, and the position of the column 12 after installation can be further positioned, so that the column 12 is not easy to loosen with the installation position, further increasing the reliability and stability of the explosion-proof operating column during installation and use. In addition, when the fixed column 2112 is rotated and adjusted inside the movable frame 2109, the air outlet end of the air guide hose 2206 located inside the airbag 2207 can also be rotated under the protection of the limiting ring 2215 and the sealing cover 2214, thereby preventing the air guide hose 2206 from being excessively twisted due to the rotation of the fixed column 2112 and affecting the ventilation effect. Finally, when the column 12 needs to be disassembled, it is only necessary to reversely rotate the handle frame 2211 to allow the threaded rod 2101 to rotate in the opposite direction.

[0048] Embodiment 3

[0049] See also Figure 1-9 The present invention provides a technical solution: an explosion-proof operating column that is easy to install. The present invention makes corresponding improvements to the technical problems mentioned in the background technology.

[0050] As a further limitation of the clamping mechanism 3 of the present invention, a clamping mechanism 3 is provided above the installation and positioning unit 21, and the clamping mechanism 3 is used in conjunction with the fixing mechanism 2, and the clamping mechanism 3 is used to clamp and fix the operation box 11 on the column 12;

[0051] The clamping mechanism 3 includes two clamping frames 301, the upper surfaces of the two clamping frames 301 are fixedly connected to the bottom surface of the operation box 11, and the two side surfaces of the two clamping frames 301 are provided with clamping grooves 302. The inner wall of the column 12 is fixedly connected with a compression spring 303, and the top of the compression spring 303 is fixedly connected with a top plate 304. The top plate 304 is slidably connected to the inside of the column 12. A lower pressing block 305 is arranged above the top plate 304, and the lower pressing block 305 is slidably connected to the inside of the column 12. The upper surface of the pressing block 305 is fixedly connected to the bottom surface of the operating box 11, and the outer surface of the column 12 is fixedly connected to two clamping seats 306, and the two clamping seats 306 are clamped inside the clamping frame 301. The inner walls of the two clamping seats 306 are fixedly connected to the limiting plates 307, and the two side surfaces of each limiting plate 307 are fixedly connected to the limiting springs 308. The other end of each limiting spring 308 is fixedly connected to a positioning block 309, and each positioning block 309 is slidably connected to the clamping seat 306. The interior of each positioning block 309 is an inclined surface, and each positioning block 309 is clamped in the interior of the clamping groove 302. The interiors of the two clamping seats 306 are slidably connected with a pull-down column 311, and the tops of the two pull-down columns 311 are fixedly connected with a movable frame 312. The interiors of the two movable frames 312 are rotatably hinged with a pull rod 313, and the top of each pull rod 313 is rotatably hinged with the bottom surface of the positioning block 309. By setting the clamping mechanism 3, the installation and disassembly between the operating box 11 and the column 12 can also be made without the use of screws and screwdrivers, so that when the operating box 11 is disassembled for maintenance, high temperature or sparks will not occur due to the friction and slippage between the screwdriver and the screws. Moreover, since the installation and disassembly between the operating box 11 and the column 12 do not require the use of screws, the convenience of disassembly and assembly of the operating box 11 is also increased, making the operation box 11 on the explosion-proof operating column safer and more reliable during maintenance and convenient for disassembly and assembly, and further improving the explosion-proof safety of the explosion-proof operating column when it is used as a whole.

[0052] The upper surfaces of the two clamping seats 306 are fixedly connected with triangular blocks 315, and the two triangular blocks 315 are clamped in the interior of the clamping frame 301. A telescopic rod 314 is arranged in the interior of the compression spring 303. The telescopic end of the telescopic rod 314 is fixedly connected to the bottom surface of the top plate 304, and the bottom end of the telescopic rod 314 is fixedly connected to the inner wall of the column 12. The triangular block 315 can assist the clamping seat 306 to clamp into the interior of the clamping frame 301, so that the clamping seat 306 can be clamped into the interior of the clamping frame 301 more smoothly and accurately. The telescopic rod 314 can prevent the compression spring 303 from excessively deflecting, thereby improving the reliability of the use of the compression spring 303.

[0053] The outer surface of the column 12 is slidably connected with a connecting ring 316, the bottom ends of the two pull-down columns 311 are fixedly connected to the upper surface of the connecting ring 316, the bottom surfaces of the two clamping seats 306 are in contact with the upper surface of the connecting ring 316, and the outer surface of the connecting ring 316 is fixedly connected with two symmetrical handles 310. The connecting ring 316 can connect the two pull-down columns 311 together, thereby facilitating the staff to pull down the pull-down columns 311 at the same time, so the connecting ring 316 and the handle 310 can effectively improve the convenience of manual operation of the pull-down column 311.

[0054] The specific implementation of this embodiment is as follows: when the operation box 11 needs to be installed on the column 12, the operation box 11 is moved downward by the guidance of the triangular block 315 so that the clamping seat 306 is clamped into the inside of the clamping frame 301. When the clamping frame 301 contacts the positioning block 309, the inclined surface of the positioning block 309 cooperates with the downward pressure of the clamping frame 301 to force the positioning block 309 to retract into the inside of the clamping seat 306 and force the limiting spring 308 to contract under the limit of the limiting plate 307 until the clamping frame 301 moves downward to the position where the positioning block 309 is in contact with the clamping frame 301. When the card slots 302 are parallel, the elastic force accumulated by the limit spring 308 will push the positioning block 309 to snap into the card slots 302, and the position of the card seat 306 in the card frame 301 can be limited, so that the installation of the operation box 11 and the column 12 can be completed. In addition, when the card seat 306 is snapped into the card frame 301, the pressing block 305 will also enter the column 12 and press the top plate 304 to force the compression spring 303 to contract. Therefore, when the positioning block 309 is snapped into the card slots 302, the compression spring 308 can be used to press the card seat 306 into the card frame 301. The upward thrust provided by 303 can cooperate with the clamping of the positioning block 309 to increase the installation stability of the operation box 11 and the column 12. When the operation box 11 needs to be disassembled, it is only necessary to manually hold the handle 310 and cooperate with the connecting ring 316 to pull the two pull-down columns 311 downward at the same time. At this time, the movable frame 312 and the pulling rod 313 can pull the two positioning blocks 309 closer to each other and disengage from the clamping groove 302, thereby releasing the limit between the clamping seat 306 and the clamping frame 301. At this time, it is only necessary to lift the operation box 11 upward to complete the operation box 11. The disassembly work between the operation box 11 and the column 12 also does not require the use of screws and screwdrivers for installation and disassembly, so that when the operation box 11 is disassembled for maintenance, there will be no high temperature or sparks due to the friction and slippage between the screwdriver and the screws. In addition, since there is no need to use screws for installation and disassembly between the operation box 11 and the column 12, the convenience of disassembly and assembly of the operation box 11 is increased, making the operation box 11 on the explosion-proof operating column safer, more reliable and convenient to disassemble and assemble during maintenance, further improving the explosion-proof safety of the explosion-proof operating column during overall use.

[0055] 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.

[0056] 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 operating column that is easy to install, comprising an operating mechanism (1), characterized in that: The operating mechanism (1) comprises an operating box (11), a column (12) is arranged below the operating box (11), two indicator lights (13) are fixedly connected to the left side of the operating box (11), two control buttons (14) are fixedly connected to the left side of the operating box (11), a control switch (15) is fixedly connected to the left side of the operating box (11), and the control switch (15) is located between the two control buttons (14), and a fixing mechanism (2) is arranged at the bottom end of the column (12); The fixing mechanism (2) comprises an installation positioning unit (21), the installation positioning unit (21) is located inside the column (12), and the installation positioning unit (21) is used to fix and install the position of the column (12); The fixing mechanism (2) further comprises an installation fastening unit (22), wherein the installation fastening unit (22) is located inside the installation positioning unit (21), and the installation fastening unit (22) is used to increase the installation fastening degree of the column (12); A clamping mechanism (3) is provided above the installation and positioning unit (21), and the clamping mechanism (3) is used in conjunction with the fixing mechanism (2), and the clamping mechanism (3) is used to clamp and fix the operation box (11) on the column (12); The installation and positioning unit (21) comprises a threaded rod (2101), wherein the threaded rod (2101) is located inside the column (12), and the lower part of the outer surface of the column (12) is provided with four symmetrically distributed limiting grooves (2102), and the outer surface of the threaded rod (2101) is threadedly connected to a movable seat (2103), and the movable seat (2103) is slidably connected to the inside of the column (12), and the outer surface of the movable seat (2103) is fixedly connected to four articulated frames (2104), each of which is slidably connected to the inside of the limiting groove (2102), and the inside of each of the articulated frames (2104) is rotatably hinged to a connecting arm (2105) through a pin shaft, and the bottom end of each of the connecting arms (2105) is rotatably hinged to a connecting frame (2106), and the bottom of the column (12) is fixedly connected to the movable seat (2103). The end is fixedly connected with a positioning plate (2107), the upper surface of the positioning plate (2107) is provided with four auxiliary grooves (2108), the interior of each of the auxiliary grooves (2108) is slidably connected with a moving frame (2109), the upper surface of each of the moving frames (2109) is fixedly connected with the bottom surface of the connecting frame (2106), the opposite side of each of the auxiliary grooves (2108) is provided with a stabilizing groove (2110), the outer surface of each of the moving frames (2109) is fixedly connected with two symmetrical sliding columns (2111), each of the sliding columns (2111) is slidably connected to the interior of the stabilizing groove (2110), the interior of each of the moving frames (2109) is threadedly connected with a fixing column (2112), and the outer surface of each of the fixing columns (2112) is fixedly connected with a nut (2113); The mounting and fastening unit (22) comprises an air cylinder (2201), the bottom surface of the air cylinder (2201) is fixedly connected to the inner bottom wall of the column (12), the interior of the air cylinder (2201) is slidably connected to a piston (2202), the upper surface of the piston (2202) is fixedly connected to a guide rod (2203), the top end of the guide rod (2203) passes through the air cylinder (2201) and is fixedly connected to a push plate (2204), and the upper surface of the push plate (2204) is fixedly connected to Two push rods (2205), the top ends of the two push rods (2205) are fixedly connected to the bottom surface of the movable seat (2103), the outer surface of the gas cylinder (2201) is fixedly connected with four gas guide hoses (2206), the gas inlet end of each gas guide hose (2206) is located above the piston (2202), the interior of each fixed column (2112) is clamped with an air bag (2207), and the other end of each gas guide hose (2206) is connected to the air bag (2207). ) are rotatably connected, the outer surface of each of the fixing columns (2112) is provided with a plurality of overflow grooves (2208), the outer surface of the air outlet end of each of the air guide hoses (2206) is fixedly connected to a limiting ring (2215), each of the limiting rings (2215) is located inside the air bag (2207), the upper surface of each of the limiting rings (2215) is in contact with the inner wall of the air bag (2207), and the outer surface of the air cylinder (2201) is fixedly connected to two one-way valves (22 09), the two one-way valves (2209) are both located above the air inlet end of the air guide hose (2206), the outer surface of the threaded rod (2101) is fixedly connected to a worm gear (2210), the outer side of the column (12) is rotatably connected to a handle frame (2211), the outer surface of the handle frame (2211) is fixedly connected to a worm (2212), the worm (2212) is meshed with the worm gear (2210), and the worm (2212) is located inside the column (12).

2. The explosion-proof operating column that is easy to install according to claim 1, characterized in that: Two bearing frames (2114) are sleeved on the outer surface of the threaded rod (2101), and the outer surface of each bearing frame (2114) is fixedly connected to the inner wall of the column (12).

3. The explosion-proof operating column that is easy to install according to claim 1, characterized in that: A sealing ring (2213) is fixedly embedded on the upper surface of the gas cylinder (2201), and the inner wall of the sealing ring (2213) is in contact with the outer surface of the guide rod (2203).

4. The explosion-proof operating column that is easy to install according to claim 1, characterized in that: The outer surface of one end of each of the air guide hoses (2206) is fixedly connected to a sealing cover (2214), the inner wall of each of the sealing covers (2214) is in contact with the outer surface of the airbag (2207), and each of the sealing covers (2214) is located above the nut (2113).

5. The explosion-proof operating column that is easy to install according to claim 1, characterized in that: The outer surface of the handle frame (2211) is rotatably connected to two stabilizing sleeves (2216), and one side of each of the stabilizing sleeves (2216) is fixedly connected to the outer surface of the column (12).

6. The explosion-proof operating column that is easy to install according to claim 1, characterized in that: The clamping mechanism (3) comprises two clamping frames (301), the upper surfaces of the two clamping frames (301) are fixedly connected to the bottom surface of the operation box (11), the two side surfaces of the two clamping frames (301) are provided with clamping grooves (302), the inner wall of the column (12) is fixedly connected with a compression spring (303), the top end of the compression spring (303) is fixedly connected with a top plate (304), the top plate (304) is slidably connected to the inside of the column (12), a lower pressing block (305) is arranged above the top plate (304), the lower pressing block (305) is slidably connected to the inside of the column (12), the upper surface of the lower pressing block (305) is fixedly connected to the bottom surface of the operation box (11), the outer surface of the column (12) is fixedly connected with two clamping seats (306), the two clamping seats (306) are clamped to the inside of the clamping frames (301), The inner walls of the two clamping seats (306) are fixedly connected to the limiting plates (307), the two side surfaces of each limiting plate (307) are fixedly connected to the limiting springs (308), the other end of each limiting spring (308) is fixedly connected to a positioning block (309), each positioning block (309) is slidably connected to the inside of the clamping seat (306), the upper surface of each positioning block (309) is an inclined surface, each positioning block (309) is clamped to the inside of the clamping groove (302), the inside of the two clamping seats (306) are slidably connected to the pull-down column (311), the top ends of the two pull-down columns (311) are fixedly connected to the movable frames (312), the insides of the two movable frames (312) are rotatably hinged with pull rods (313), and the top end of each pull rod (313) is rotatably hinged to the bottom surface of the positioning block (309).

7. The explosion-proof operating column that is easy to install according to claim 6, characterized in that: The upper surfaces of the two clamping seats (306) are both fixedly connected with triangular blocks (315), and the two triangular blocks (315) are both clamped in the interior of the clamping frame (301). A telescopic rod (314) is arranged inside the compression spring (303), and the telescopic end of the telescopic rod (314) is fixedly connected to the bottom surface of the top plate (304), and the bottom end of the telescopic rod (314) is fixedly connected to the inner wall of the column (12).

8. The explosion-proof operating column that is easy to install according to claim 6, characterized in that: The outer surface of the column (12) is slidably connected to a connecting ring (316), the bottom ends of the two pull-down columns (311) are fixedly connected to the upper surface of the connecting ring (316), the bottom surfaces of the two clamping seats (306) are in contact with the upper surface of the connecting ring (316), and the outer surface of the connecting ring (316) is fixedly connected to two symmetrical handles (310).

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