An explosion-proof device for automatic instrument

Abstract

The invention discloses an explosion-proof device for an automated instrument, and relates to the technical field of instruments. The device comprises an automated instrument shell, wherein a bottom box is bolted at the bottom of the automated instrument shell, a cooling assembly is bolted at the top of the automated instrument shell, a motor is bolted at the left side of the bottom box, a large helical gear is bolted at the output end of the motor, a small helical gear is meshed with teeth on the left side of the large helical gear, a rotating rod is bolted at the axis of the top of the small helical gear, the surface of the rotating rod is rotatably sleeved with a hole at the top of the bottom box, the top of the rotating rod passes through the hole at the top of the bottom box and is bolted with a cooling fan, and a filter box is bolted at the bottom end of the bottom box, and the automated instrument shell can be quickly cooled by structural transmission, and the automated instrument shell can be quickly cooled, and the air inside the automated instrument shell can be circulated and filtered to reduce the dust content inside the automated instrument shell.

Description

Technical Field

[0001] The invention relates to the technical field of instruments, and in particular to an explosion-proof device for an automated instrument. Background Art

[0002] The patent with application number CN201711038293.2 discloses an explosion-proof instrument with drainage function, including an explosion-proof instrument body, an explosion-proof drainage device and a detection head connected to the explosion-proof instrument body; the explosion-proof instrument body is provided with a cavity for accommodating a circuit board; the explosion-proof instrument body is provided with a through hole connecting the outside and the cavity; the explosion-proof drainage device is connected to the explosion-proof instrument body at the through hole. Based on this structure, when the explosion-proof instrument with drainage function is implemented, even if the explosion-proof instrument body is exposed to rain for a long time and the sealing ring is aged and damaged, a small amount of water entering the explosion-proof instrument with drainage function can be discharged from the explosion-proof instrument body through the explosion-proof drainage device. Without causing faults such as short circuits in the internal circuit. Water vapor can be discharged from the explosion-proof instrument body through the explosion-proof drainage device. The service life of traditional explosion-proof instruments is extended.

[0003] However, the explosion-proof instrument with drainage function also has some problems. For example, although the device is sealed by some sealing structures, there are still a large number of gaps in the instrument, and air with dust can enter the interior of the instrument through these gaps, making it impossible for the interior of the instrument to maintain a low dust state for a long time. The high dust content can easily affect the safety of the instrument operation. In addition, in order to prevent dust, the instrument cannot open a heat dissipation port, and often only uses natural cooling to dissipate heat, and the heat dissipation efficiency is low. Summary of the invention

[0004] The purpose of this application is to provide an explosion-proof device for an automated instrument to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an explosion-proof device for an automated instrument, comprising an automated instrument shell, a bottom box being bolted to the bottom of the automated instrument shell, a cooling assembly being bolted to the top of the automated instrument shell, a motor being bolted to the left side of the bottom box, a large helical gear being bolted to the output end of the motor, a small helical gear being meshed with teeth on the left side of the large helical gear, a rotating rod being bolted to the axis at the top of the small helical gear, the surface of the rotating rod being rotatably sleeved with the hole at the top of the bottom box, the top of the rotating rod passing through the hole at the top of the bottom box and being bolted to a cooling fan, a filter box being bolted to the bottom end of the bottom box, a filter barrel being bolted to the left side of the filter box, a transmission mechanism being bolted to the surface of the large helical gear, the teeth of the transmission mechanism being meshed with an exhaust mechanism, and the exhaust mechanism being slidably connected to the filter box.

[0006] By means of the above structure, the water pump absorbs the heat inside the automatic instrument case through the coolant inside the cooling chamber, and circulates it into the radiator for heat dissipation; the motor can drive the small helical gear to rotate through the large helical gear, and the small helical gear can drive the cooling fan to rotate quickly through the rotating rod, and the cooling fan can quickly dissipate heat from the radiator; the large helical gear can drive the exhaust mechanism to operate through the transmission mechanism, and the exhaust mechanism can circulate the air inside the automatic instrument case into the filter box through the filter box, and use the filter barrel to filter out dust in the air; the automatic instrument case can be quickly cooled through the structural transmission, so that the automatic instrument case can be quickly cooled, and the air inside the automatic instrument case can be circulated and filtered to reduce the dust content inside the automatic instrument case.

[0007] Preferably, the transmission mechanism includes a small rotating wheel, a transmission belt, a large rotating wheel and a slide, the rear side of the small rotating wheel is bolted to the surface of the large helical gear, the interior of the small rotating wheel is transmission-connected to the left side of the interior of the transmission belt, the right side of the interior of the transmission belt is transmission-connected to the interior of the large rotating wheel, the axis of the large rotating wheel is rotationally connected to the interior of the bottom box, the protrusion on the top of the surface of the large rotating wheel is slidably connected to the sliding hole on the left side of the slide, and the transmission mechanism also includes a transmission assembly hinged to the slide.

[0008] Furthermore, the large helical gear can drive the small wheel to rotate, the small wheel can drive the transmission belt to rotate, the transmission belt can drive the large wheel to rotate, and the large wheel is rotated through the bearing and the bottom box to reduce the resistance of the large wheel rotation, so that the large wheel can rotate smoothly. During the rotation of the large wheel, the protrusions on its surface slide in the sliding holes of the slide and drive the slide to move.

[0009] Preferably, the transmission assembly includes a sliding sleeve, an articulated rod, a slider and a rack frame, the rear side of the sliding sleeve is hinged to the right end of the sliding frame, the interior of the sliding sleeve is slidably connected to the middle end of the articulated rod, the bottom end of the articulated rod is hinged to the bottom end of the bottom box, the top end of the articulated rod is hinged to the surface of the slider, the rear side of the slider is slidably connected to the sliding groove on the left side of the rack frame surface, and the rack frame is engaged with the air extraction mechanism.

[0010] Furthermore, the slide can drive the sleeve to move, the sleeve can slide on the surface of the hinged rod and drive the hinged rod to rotate, the hinged rod is rotated through the bearing and the bottom box, so that the hinged rod can rotate smoothly, the hinged rod can drive the slider to move, the rear side of the slider slides in the slide groove of the rack rack and drives the rack rack to move, and the rack rack can drive the exhaust mechanism to rotate.

[0011] Preferably, the rear side of the slide is slidably connected to a slide frame, the rear side of the slide frame is bolted to the inside of the bottom box, the slide is in a T-shaped structure, the rack frame is composed of a slide frame on the left and a rack integrally machined on the right side of the slide frame, and the bottom of the rack frame is slidably connected to the top of the filter box.

[0012] Furthermore, the slide frame is set to slide with the slide rail, so that the slide can move smoothly left and right, avoiding the large rotating wheel from driving the slide to deviate, and conveniently converting the linear motion of the slide into the curved motion of the hinged rod. The shape of the slide is convenient for its connection with the large rotating wheel, and the rack frame is set to slide with the filter box through the slide rail, so that the rack frame can move smoothly left and right.

[0013] Preferably, the exhaust mechanism includes a ring gear rod, a large bevel gear, a small bevel gear and a transmission gear, the teeth on the rear side of the ring gear rod mesh with the teeth on the surface of the rack frame, the bottom end of the surface of the ring gear rod is rotatably sleeved with the hole on the top of the filter box, the bottom end of the ring gear rod extends to the interior of the filter box and is bolted to the axis at the top of the large bevel gear, the teeth of the large bevel gear mesh with the teeth of the small bevel gear, the rear side of the small bevel gear is bolted to the surface of the transmission gear, the axis of the transmission gear is rotatably connected to the interior of the filter box, and the exhaust mechanism also includes a piston assembly meshing with the transmission gear.

[0014] Furthermore, the rack rack can drive the ring gear rod to rotate, and the ring gear rod is rotated through the bearing and the filter box so that the ring gear rod can rotate smoothly. The ring gear rod can drive the large bevel gear to rotate. Both the large bevel gear and the small bevel gear are bevel gears, so that the large bevel gear can mesh with the small bevel gear, making it convenient for the large bevel gear to drive the small bevel gear to rotate. The small bevel gear can drive the transmission gear to rotate, and the transmission gear is rotated through the bearing and the filter box so that the transmission gear can rotate smoothly, reducing the resistance to the rotation of the transmission gear.

[0015] Preferably, the piston assembly includes a gear set, a transmission rod, a piston block and a rubber block, the teeth at the bottom of the transmission gear mesh with the teeth at the top of the gear set, the axis of the gear set is rotatably connected to the inside of the filter box, the left side of the surface of the gear set is hinged to the right end of the transmission rod, the left end of the transmission rod is hinged to the right side of the piston block, the surface of the piston block is slidably connected to the inside of the filter box, and the top of the air hole on the right side of the piston block is bolted to the top of the left side of the rubber block.

[0016] Furthermore, the transmission gear can drive the gear set to rotate, and the gear set and the transmission rod are in an eccentric structure. During the rotation of the gear set, the transmission rod can be driven to move left and right, the transmission rod can drive the piston block to move left and right, and the piston block can drive the rubber block to move left and right. When the piston block moves to the right, the air holes on the side of the piston block are blocked by the rubber block, and air can be drawn to the right toward the piston block. When the piston block moves to the left, the air on the left side of the piston block pushes up the rubber block through the air holes, allowing the air to move to the right through the air holes of the piston block. Through repeated movements of the piston block, the air at the bottom of the automation instrument case can be continuously extracted, and the extracted air is filtered by the filter barrel and then discharged into the top of the automation instrument case.

[0017] Preferably, the gear set includes a connecting gear and a movable rod, the surface of the connecting gear is bolted to the right end of the movable rod, the axis of the connecting gear is rotatably connected to the inside of the filter box, the teeth of the connecting gear are meshed with the teeth of the transmission gear, and the left end of the movable rod is hinged to the right end of the transmission rod.

[0018] Furthermore, the transmission gear is meshed with the connecting gear to drive the connecting gear to rotate. The connecting gear is rotated through the bearing and the filter box so that the connecting gear can rotate smoothly. The connecting gear can drive the movable rod to rotate. The movable rod and the transmission rod are in an eccentric structure, and the movable rod can drive the transmission rod to move left and right.

[0019] Preferably, the cooling assembly includes a water pump, a cooling chamber and a radiator, the bottom of the water pump is bolted to the top of the automation instrument shell, the cooling chamber is opened in the inner wall of the automation instrument shell, the water inlet and outlet of the cooling chamber are respectively connected to the water outlet and inlet of the water pump, the right side of the radiator is bolted to the left side of the automation instrument shell, the top and bottom of the right side of the radiator are respectively connected to the top and bottom of the left side of the cooling chamber, and the cooling fan is located at the bottom of the radiator.

[0020] Furthermore, coolant is injected into the cooling chamber, and the coolant can absorb the heat inside the automation instrument case. The water pump can drive the coolant inside the cooling chamber to flow, allowing the coolant to circulate. The coolant can enter the radiator during the circulation process, and the heat of the coolant can be dissipated by the radiator. The radiator can adopt a heat dissipation tube group made of cast iron, aluminum alloy or copper commonly available on the market.

[0021] Preferably, the air inlet end of the filter box is connected to an exhaust pipe, the top end of the exhaust pipe passes through the hole on the top of the bottom box and is connected to the bottom of the automation instrument shell, and the air outlet end of the filter box is connected to an exhaust pipe, the end of the exhaust pipe away from the filter box passes through the hole on the right side of the bottom box and is connected to the top of the automation instrument shell.

[0022] Furthermore, a one-way valve is arranged inside the exhaust pipe, so that air can enter the filter box downward but cannot flow back into the automation instrument case. When suction is generated on the left side inside the filter box, the filter box draws the air at the bottom of the automation instrument case downward into the interior of the filter box through the exhaust pipe and filters it through the filter barrel. A one-way valve is also arranged inside the exhaust pipe, so that air can enter the automation instrument case from the filter box through the exhaust pipe, but the air inside the automation instrument case cannot enter the filter box through the exhaust pipe.

[0023] Preferably, the filter barrel comprises a filter cover and a filter sleeve, the surface of the filter cover is bonded to the inside of the filter sleeve, and the filter cover of the filter barrel is bolted to the inside of the filter box.

[0024] Furthermore, the filter barrel adopts a structure similar to that of a vacuum cleaner filter cup. The internal filter cover supports the filter sleeve and forms a sealing structure with the filter box to prevent air from entering the right side of the filter box through the gap between the filter cover and the filter box. The filter sleeve can adopt multiple layers of filter cotton and a special filter membrane for filtering dust.

[0025] In summary, the technical effects and advantages of the present invention are as follows:

[0026] 1. The water pump absorbs the heat inside the automation instrument shell through the coolant inside the cooling chamber, and circulates it into the radiator for heat dissipation;

[0027] 2. The motor can drive the small helical gear to rotate through the large helical gear, and the small helical gear can drive the cooling fan to rotate quickly through the rotating rod, and the cooling fan can quickly dissipate heat from the radiator;

[0028] 3. The large helical gear can drive the air extraction mechanism to operate through the transmission mechanism. The air extraction mechanism can circulate the air inside the automatic instrument shell into the filter box through the filter box, and use the filter barrel to filter out the dust in the air;

[0029] The heat of the automation instrument shell can be quickly dissipated through the structural transmission, allowing the automation instrument shell to cool down quickly, and the air inside the automation instrument shell can be circulated and filtered to reduce the dust content inside the automation instrument shell for explosion-proofing. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a front view structural schematic diagram of an embodiment of the present application;

[0031] Figure 2 This is a schematic diagram of the internal structure of the filter box according to an embodiment of the present application;

[0032] Figure 3 This is a schematic diagram of the structure of the air extraction mechanism of an embodiment of the present application;

[0033] Figure 4 This is a schematic diagram of the rear view structure of a large helical gear according to an embodiment of the present application;

[0034] Figure 5 This is a schematic diagram of the right side structure of a large bevel gear in an embodiment of the present application;

[0035] Figure 6 This is a three-dimensional schematic diagram of a small rotating wheel according to an embodiment of the present application;

[0036] Figure 7 A three-dimensional schematic diagram of a hinged rod according to an embodiment of the present application;

[0037] Figure 8 It is a schematic diagram of the three-dimensional structure of an embodiment of the present application.

[0038] In the figure: 1. automation instrument housing; 2. transmission mechanism; 21. small rotating wheel; 22. transmission belt; 23. large rotating wheel; 24. slide; 25. sliding sleeve; 26. hinged rod; 27. slider; 28. rack rack; 29. ​​slide frame; 3. exhaust mechanism; 31. gear ring rod; 32. large bevel gear; 33. small bevel gear; 34. transmission gear; 35. gear set; 36. transmission rod; 37. piston block; 38. rubber block; 4. bottom box; 5. motor; 6. large helical gear; 7. small helical gear; 8. rotating rod; 9. cooling fan; 10. filter box; 11. filter barrel; 12. water pump; 13. cooling chamber; 14. radiator. DETAILED DESCRIPTION

[0039] 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.

[0040] Example

[0041] refer to Figure 1-8 In this embodiment, an explosion-proof device for an automatic instrument is proposed, comprising an automatic instrument shell 1, a bottom box 4 is bolted to the bottom of the automatic instrument shell 1, a cooling assembly is bolted to the top of the automatic instrument shell 1, a motor 5 is bolted to the left side of the bottom box 4, a large helical gear 6 is bolted to the output end of the motor 5, a small helical gear 7 is meshed with the teeth on the left side of the large helical gear 6, a rotating rod 8 is bolted to the axis of the top of the small helical gear 7, the surface of the rotating rod 8 is rotatably sleeved with the hole on the top of the bottom box 4, the top of the rotating rod 8 passes through the hole on the top of the bottom box 4 and is bolted to a cooling fan 9, a filter box 10 is bolted to the bottom end of the bottom box 4, a filter barrel 11 is bolted to the left side of the filter box 10, a transmission mechanism 2 is bolted to the surface of the large helical gear 6, a suction mechanism 3 is meshed with the teeth of the transmission mechanism 2, and the suction mechanism 3 is slidably connected to the filter box 10.

[0042] By means of the above mechanism, the power supply of the motor 5 is turned on, and the motor 5 can drive the large helical gear 6 to rotate. The large helical gear 6 and the small helical gear 7 are both helical gears, so that the large helical gear 6 can mesh with the small helical gear 7 in an interlaced manner, so that the large helical gear 6 can drive the small helical gear 7 to rotate, and the small helical gear 7 can drive the rotating rod 8 to rotate, and the rotating rod 8 can drive the cooling fan 9 to rotate quickly to enhance the heat dissipation effect. The large helical gear 6 can drive the transmission mechanism 2 to rotate, and the transmission mechanism 2 can drive the exhaust mechanism 3 to rotate. The repeated movement of the exhaust mechanism 3 can continuously extract the air at the bottom of the automation instrument case 1, and the extracted air is filtered by the filter barrel 11 and then discharged into the top of the automation instrument case 1. After the structural transmission, the automation instrument case 1 can be quickly cooled, so that the automation instrument case 1 can be quickly cooled, and the air inside the automation instrument case 1 can be circulated and filtered to reduce the dust content inside the automation instrument case 1 for explosion-proof.

[0043] As a preferred implementation of this embodiment, Figure 2 As shown, the transmission mechanism 2 includes a small rotating wheel 21, a transmission belt 22, a large rotating wheel 23 and a slide 24. The rear side of the small rotating wheel 21 is bolted to the surface of the large helical gear 6, the interior of the small rotating wheel 21 is transmission-connected to the left side of the interior of the transmission belt 22, the right side of the interior of the transmission belt 22 is transmission-connected to the interior of the large rotating wheel 23, the axis of the large rotating wheel 23 is rotationally connected to the interior of the bottom box 4, the protrusion on the top of the surface of the large rotating wheel 23 is slidably connected to the sliding hole on the left side of the slide 24, and the transmission mechanism 2 also includes a transmission component hinged to the slide 24.

[0044] The large helical gear 6 can drive the small rotating wheel 21 to rotate, the small rotating wheel 21 can drive the transmission belt 22 to rotate, the transmission belt 22 can drive the large rotating wheel 23 to rotate, the large rotating wheel 23 is rotatably arranged with the bottom box 4 through the bearing, thereby reducing the resistance of the large rotating wheel 23 to rotation, so that the large rotating wheel 23 can rotate smoothly. During the rotation of the large rotating wheel 23, the protrusion on its surface slides in the sliding hole of the slide 24 and drives the slide 24 to move. The sliding hole of the slide 24 is a long hole-shaped sliding hole, and the protrusion of the large rotating wheel 23 can slide up and down in the sliding hole of the slide 24.

[0045] In this embodiment, Figure 2 As shown, the transmission assembly includes a sliding sleeve 25, an articulated rod 26, a slider 27 and a rack frame 28. The rear side of the sliding sleeve 25 is hinged to the right end of the sliding frame 24, the interior of the sliding sleeve 25 is slidably connected to the middle end of the articulated rod 26, the bottom end of the articulated rod 26 is hinged to the bottom end of the bottom box 4, the top end of the articulated rod 26 is hinged to the surface of the slider 27, the rear side of the slider 27 is slidably connected to the sliding groove on the left side of the surface of the rack frame 28, and the rack frame 28 is engaged with the air extraction mechanism 3.

[0046] The slide 24 can drive the sleeve 25 to move, the sleeve 25 can slide on the surface of the hinged rod 26 and drive the hinged rod 26 to rotate, the hinged rod 26 is rotatably arranged with the bottom box 4 through the bearing, so that the hinged rod 26 can rotate smoothly, the hinged rod 26 can drive the slider 27 to move, the rear side of the slider 27 slides in the slide groove of the rack rack 28 and drives the rack rack 28 to move, the rack rack 28 can drive the exhaust mechanism 3 to rotate, the slide 24 can convert its left and right linear motion into the curved motion of the hinged rod 26, and the hinged rod 26 can convert its curved motion into the left and right linear motion of the rack rack 28 with the help of the slider 27, and the rack rack 28 can move farther left and right.

[0047] In this embodiment, Figure 2 As shown, the rear side of the slide 24 is slidably connected to a slide frame 29, the rear side of the slide frame 29 is bolted to the inside of the bottom box 4, the slide 24 is a T-shaped structure, the rack frame 28 is composed of a slide groove frame on the left and a rack integrally processed on the right side of the slide groove frame, and the bottom of the rack frame 28 is slidably connected to the top of the filter box 10.

[0048] The slide frame 29 is slidably arranged with the slide 24 through the slide rail, so that the slide 24 can move smoothly left and right, avoiding the large rotating wheel 23 from driving the slide 24 to deviate, and conveniently converting the linear motion of the slide 24 into the curved motion of the hinge rod 26. The shape of the slide 24 is convenient for its connection with the large rotating wheel 23. The rack rack 28 is slidably arranged with the filter box 10 through the slide rail, so that the rack rack 28 can move smoothly left and right.

[0049] In this embodiment, Figure 3 As shown, the exhaust mechanism 3 includes a ring gear rod 31, a large bevel gear 32, a small bevel gear 33 and a transmission gear 34. The teeth on the rear side of the ring gear rod 31 are meshed with the teeth on the surface of the rack frame 28. The bottom end of the surface of the ring gear rod 31 is rotatably sleeved with the hole on the top of the filter box 10. The bottom end of the ring gear rod 31 extends into the interior of the filter box 10 and is bolted to the axis at the top of the large bevel gear 32. The teeth of the large bevel gear 32 are meshed with the teeth of the small bevel gear 33. The rear side of the small bevel gear 33 is bolted to the surface of the transmission gear 34. The axis of the transmission gear 34 is rotatably connected to the interior of the filter box 10. The exhaust mechanism 3 also includes a piston assembly meshed with the transmission gear 34.

[0050] The rack frame 28 can drive the ring gear rod 31 to rotate. The ring gear rod 31 is rotatably arranged with the filter box 10 through a bearing, so that the ring gear rod 31 can rotate smoothly. The ring gear rod 31 can drive the large bevel gear 32 to rotate. The large bevel gear 32 and the small bevel gear 33 are both bevel gears, so that the large bevel gear 32 can mesh with the small bevel gear 33, which is convenient for the large bevel gear 32 to drive the small bevel gear 33 to rotate. The small bevel gear 33 can drive the transmission gear 34 to rotate. The transmission gear 34 is rotatably arranged with the filter box 10 through a bearing, so that the transmission gear 34 can rotate smoothly, reducing the resistance to the rotation of the transmission gear 34.

[0051] In this embodiment, Figure 3 As shown, the piston assembly includes a gear set 35, a transmission rod 36, a piston block 37 and a rubber block 38. The teeth at the bottom of the transmission gear 34 mesh with the teeth at the top of the gear set 35. The axis of the gear set 35 is rotatably connected to the inside of the filter box 10. The left side of the surface of the gear set 35 is hinged to the right end of the transmission rod 36. The left end of the transmission rod 36 is hinged to the right side of the piston block 37. The surface of the piston block 37 is slidably connected to the inside of the filter box 10. The top of the air hole on the right side of the piston block 37 is bolted to the top of the left side of the rubber block 38.

[0052] The transmission gear 34 can drive the gear set 35 to rotate. The gear set 35 and the transmission rod 36 are in an eccentric structure. During the rotation of the gear set 35, the transmission rod 36 can be driven to move left and right. The transmission rod 36 can drive the piston block 37 to move left and right. The piston block 37 can drive the rubber block 38 to move left and right. When the piston block 37 moves to the right, the air holes on the side of the piston block 37 are blocked by the rubber block 38, and air can be drawn to the right toward the piston block 37. When the piston block 37 moves to the left, the air on the left side of the piston block 37 pushes up the rubber block 38 through the air holes, allowing the air to move to the right through the air holes of the piston block 37. After repeated movement of the piston block 37, the air at the bottom of the automation instrument housing 1 can be continuously extracted, and the extracted air is filtered by the filter barrel 11 and then discharged into the top of the automation instrument housing 1.

[0053] In this embodiment, Figure 3 As shown, the gear set 35 includes a connecting gear and a movable rod. The surface of the connecting gear is bolted to the right end of the movable rod. The axis of the connecting gear is rotatably connected to the inside of the filter box 10. The teeth of the connecting gear are meshed with the teeth of the transmission gear 34. The left end of the movable rod is hinged to the right end of the transmission rod 36.

[0054] The transmission gear 34 is meshed with the connecting gear, which can drive the connecting gear to rotate. The connecting gear is rotated with the filter box 10 through a bearing, so that the connecting gear can rotate smoothly. The connecting gear can drive the movable rod to rotate. The movable rod and the transmission rod 36 are in an eccentric structure, and the movable rod can drive the transmission rod 36 to move left and right.

[0055] In this embodiment, Figure 1 As shown, the cooling assembly includes a water pump 12, a cooling chamber 13 and a radiator 14. The bottom of the water pump 12 is bolted to the top of the automation instrument housing 1. The cooling chamber 13 is opened in the inner wall of the automation instrument housing 1. The water inlet and outlet of the cooling chamber 13 are respectively connected to the water outlet and inlet of the water pump 12. The right side of the radiator 14 is bolted to the left side of the automation instrument housing 1. The top and bottom of the right side of the radiator 14 are respectively connected to the top and bottom of the left side of the cooling chamber 13. The cooling fan 9 is located at the bottom of the radiator 14.

[0056] Coolant is injected into the cooling chamber 13, and the coolant can absorb the heat inside the automation instrument housing 1. The water pump 12 can drive the coolant inside the cooling chamber 13 to flow, so that the coolant can circulate. The coolant can enter the radiator 14 during the circulation process, and the heat of the coolant can be dissipated by the radiator 14. The radiator 14 can adopt a heat dissipation tube group made of cast iron, aluminum alloy or copper commonly available on the market.

[0057] In this embodiment, Figure 1 As shown, the air inlet end of the filter box 10 is connected to an exhaust pipe, the top end of the exhaust pipe passes through the hole on the top of the bottom box 4 and is connected to the bottom of the automation instrument case 1, and the air outlet end of the filter box 10 is connected to an exhaust pipe, and the end of the exhaust pipe away from the filter box 10 passes through the hole on the right side of the bottom box 4 and is connected to the top of the automation instrument case 1.

[0058] A one-way valve is arranged inside the exhaust pipe, so that air can enter the filter box 10 downward, but cannot flow back into the automation instrument case 1. When suction is generated on the left side inside the filter box 10, the filter box 10 draws the air at the bottom end of the automation instrument case 1 downward into the filter box 10 through the exhaust pipe and filters it through the filter barrel 11. A one-way valve is also arranged inside the exhaust pipe, so that air can enter the automation instrument case 1 from the filter box 10 through the exhaust pipe, but the air inside the automation instrument case 1 cannot enter the filter box 10 through the exhaust pipe.

[0059] In this embodiment, Figure 2 As shown, the filter barrel 11 includes a filter cover and a filter sleeve, the surface of the filter cover is bonded to the inside of the filter sleeve, and the filter cover of the filter barrel 11 is bolted to the inside of the filter box 10.

[0060] The filter barrel 11 adopts a structure similar to that of a vacuum cleaner filter cup. The internal filter cover supports the filter sleeve and forms a sealing structure with the filter box 10 to prevent air from entering the right side of the filter box 10 from the gap between the filter cover and the filter box 10. The filter sleeve can adopt multiple layers of filter cotton and a special filter membrane for filtering dust.

[0061] Working principle: turn on the power of motor 5, motor 5 can drive the large helical gear 6 to rotate clockwise, large helical gear 6 and small helical gear 7 are both helical gears, so that large helical gear 6 can mesh with small helical gear 7 in an interlaced manner, so that large helical gear 6 can drive small helical gear 7 to rotate, small helical gear 7 can drive rotating rod 8 to rotate, rotating rod 8 can drive cooling fan 9 to rotate rapidly, coolant is injected into cooling cavity 13, coolant absorbs heat from automatic instrument housing 1, water pump 12 drives coolant in cooling cavity 13 to circulate, and allows coolant to enter radiator 14, cooling fan 9 blows radiator 14 rapidly to enhance heat dissipation effect of radiator 14.

[0062] The large helical gear 6 can drive the small rotating wheel 21 to rotate clockwise, and the small rotating wheel 21 can drive the transmission belt 22 to rotate clockwise, and the transmission belt 22 can drive the large rotating wheel 23 to rotate clockwise. The large rotating wheel 23 is rotated by the bearing and the bottom box 4 to reduce the resistance to the rotation of the large rotating wheel 23, so that the large rotating wheel 23 can rotate smoothly. During the rotation of the large rotating wheel 23, the protrusion on its surface slides in the sliding hole of the slide 24 and drives the slide 24 to move right, and then moves left. The slide frame 29 is slidably arranged with the slide rail and the slide 24, so that the slide 24 can move smoothly left and right. The slide 24 can drive the sliding sleeve 25 to move right, and the sliding sleeve 25 can slide on the surface of the hinged rod 26 and drive the hinged rod 26 to rotate right. The hinged rod 26 can drive the slider 27 to move right, and the rear side of the slider 27 slides in the sliding groove of the rack rack 28 and drives the rack rack 28 to move right.

[0063] The rack frame 28 is slidably arranged with the filter box 10 through the slide rail, and the rack frame 28 can drive the ring gear rod 31 to rotate. The ring gear rod 31 is rotatably arranged with the filter box 10 through the bearing, so that the ring gear rod 31 can rotate smoothly, and the ring gear rod 31 can drive the large bevel gear 32 to rotate. The large bevel gear 32 and the small bevel gear 33 are both bevel gears, so that the large bevel gear 32 can mesh with the small bevel gear 33, which is convenient for the large bevel gear 32 to drive the small bevel gear 33 to rotate. The small bevel gear 33 can drive the transmission gear 34 to rotate clockwise. The transmission gear 34 is rotatably arranged with the filter box 10 through the bearing, so that the transmission gear 34 can rotate smoothly and reduce the resistance to the rotation of the transmission gear 34. The transmission gear 34 can drive the gear set 35 to rotate counterclockwise. There is an eccentric structure between the wheel group 35 and the transmission rod 36. During the rotation of the gear group 35, the transmission rod 36 can be driven to move rightward and then leftward. The transmission rod 36 can drive the piston block 37 to move left and right. The piston block 37 can drive the rubber block 38 to move left and right. When the piston block 37 moves to the right, the air holes on the side of the piston block 37 are blocked by the rubber block 38, and air can be drawn to the right toward the piston block 37. When the piston block 37 moves to the left, the air on the left side of the piston block 37 pushes up the rubber block 38 through the air holes, allowing the air to move to the right through the air holes of the piston block 37. After repeated movement of the piston block 37, the air at the bottom of the automation instrument housing 1 can be continuously extracted, and the extracted air is filtered by the filter barrel 11 and then discharged into the top of the automation instrument housing 1.

[0064] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An explosion-proof device for an automation instrument, comprising an automation instrument housing (1), characterized in that: The bottom of the automation instrument housing (1) is bolted to a bottom box (4), the top of the automation instrument housing (1) is bolted to a cooling assembly, the left side of the bottom box (4) is bolted to a motor (5), the output end of the motor (5) is bolted to a large helical gear (6), the teeth on the left side of the large helical gear (6) mesh with a small helical gear (7), the top of the small helical gear (7) is bolted to a rotating rod (8), the surface of the rotating rod (8) is rotatably sleeved with a hole at the top of the bottom box (4), the top of the rotating rod (8) passes through the hole at the top of the bottom box (4) and is bolted to a cooling fan (9), the bottom end of the bottom box (4) is bolted to a filter box (10), the left side of the filter box (10) is bolted to a filter barrel (11), the surface of the large helical gear (6) is bolted to a filter box (11), and the top of the large helical gear (6) is bolted to a filter box (11). A transmission mechanism (2) is connected, the teeth of the transmission mechanism (2) are meshed with an air extraction mechanism (3), and the air extraction mechanism (3) is slidably connected to the filter box (10); the cooling assembly comprises a water pump (12), a cooling chamber (13) and a radiator (14); the bottom of the water pump (12) is bolted to the top of the automation instrument housing (1); the cooling chamber (13) is opened in the inner wall of the automation instrument housing (1); the water inlet and water outlet of the cooling chamber (13) are respectively connected to the water outlet and water inlet of the water pump (12); the right side of the radiator (14) is bolted to the left side of the automation instrument housing (1); the top and bottom of the right side of the radiator (14) are respectively connected to the top and bottom of the left side of the cooling chamber (13); and the cooling fan (9) is located at the bottom of the radiator (14); The air inlet end of the filter box (10) is connected to an air extraction pipe, the top end of the air extraction pipe passes through the hole at the top of the bottom box (4) and is connected to the bottom of the automation instrument housing (1), and the air outlet end of the filter box (10) is connected to an exhaust pipe, the end of the exhaust pipe away from the filter box (10) passes through the hole on the right side of the bottom box (4) and is connected to the top of the automation instrument housing (1); The filter barrel (11) comprises a filter cover and a filter sleeve, the surface of the filter cover is bonded to the inside of the filter sleeve, and the filter cover of the filter barrel (11) is bolted to the inside of the filter box (10); The transmission mechanism (2) comprises a small rotating wheel (21), a transmission belt (22), a large rotating wheel (23) and a slide (24); the rear side of the small rotating wheel (21) is bolted to the surface of the large helical gear (6); the interior of the small rotating wheel (21) is transmission-connected to the left side of the interior of the transmission belt (22); the right side of the interior of the transmission belt (22) is transmission-connected to the interior of the large rotating wheel (23); the axis of the large rotating wheel (23) is rotationally connected to the interior of the bottom box (4); a protrusion on the top of the surface of the large rotating wheel (23) is slidably connected to a sliding hole on the left side of the slide (24); and the transmission mechanism (2) further comprises a transmission component hinged to the slide (24); The transmission assembly comprises a sliding sleeve (25), an articulated rod (26), a slider (27) and a rack frame (28); the rear side of the sliding sleeve (25) is hinged to the right end of the sliding frame (24); the interior of the sliding sleeve (25) is slidably connected to the middle end of the articulated rod (26); the bottom end of the articulated rod (26) is hinged to the bottom end of the bottom box (4); the top end of the articulated rod (26) is hinged to the surface of the sliding sleeve (27); the rear side of the sliding sleeve (27) is slidably connected to a slide groove on the left side of the surface of the rack frame (28); and the rack frame (28) is meshed with the air extraction mechanism (3); The air extraction mechanism (3) comprises a ring gear rod (31), a large bevel gear (32), a small bevel gear (33) and a transmission gear (34); the teeth on the rear side of the ring gear rod (31) mesh with the teeth on the surface of the rack frame (28); the bottom end of the surface of the ring gear rod (31) is rotatably sleeved with a hole on the top of the filter box (10); the bottom end of the ring gear rod (31) extends into the interior of the filter box (10) and is bolted to the axis at the top of the large bevel gear (32); the teeth of the large bevel gear (32) mesh with the teeth of the small bevel gear (33); the rear side of the small bevel gear (33) is bolted to the surface of the transmission gear (34); the axis of the transmission gear (34) is rotatably connected to the interior of the filter box (10); and the air extraction mechanism (3) further comprises a piston assembly meshing with the transmission gear (34); The piston assembly comprises a gear set (35), a transmission rod (36), a piston block (37) and a rubber block (38); the teeth at the bottom of the transmission gear (34) mesh with the teeth at the top of the gear set (35); the axis of the gear set (35) is rotatably connected to the inside of the filter box (10); the left side of the surface of the gear set (35) is hinged to the right end of the transmission rod (36); the left end of the transmission rod (36) is hinged to the right side of the piston block (37); the surface of the piston block (37) is slidably connected to the inside of the filter box (10); and the top end of the air hole on the right side of the piston block (37) is bolted to the top end on the left side of the rubber block (38).

2. An explosion-proof device for automated instruments according to claim 1, characterized in that: The rear side of the slide frame (24) is slidably connected to a slide frame (29), the rear side of the slide frame (29) is bolted to the inside of the bottom box (4), the slide frame (24) is in a T-shaped structure, the rack frame (28) is composed of a slide groove frame on the left side and a rack integrally processed on the right side of the slide groove frame, and the bottom of the rack frame (28) is slidably connected to the top of the filter box (10).

3. The explosion-proof device for automated instruments according to claim 1, characterized in that: The gear set (35) comprises a connecting gear and a movable rod, the surface of the connecting gear is bolted to the right end of the movable rod, the axis of the connecting gear is rotatably connected to the inside of the filter box (10), the teeth of the connecting gear are meshed with the teeth of the transmission gear (34), and the left end of the movable rod is hinged to the right end of the transmission rod (36).

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