CN114245640B - Expandable chassis structure and air quality detector thereof - Google Patents
Expandable chassis structure and air quality detector thereof Download PDFInfo
- Publication number
- CN114245640B CN114245640B CN202111545687.3A CN202111545687A CN114245640B CN 114245640 B CN114245640 B CN 114245640B CN 202111545687 A CN202111545687 A CN 202111545687A CN 114245640 B CN114245640 B CN 114245640B
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- lifting
- oil outlet
- far away
- heat dissipation
- chassis
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
Abstract
The invention provides an expandable machine case structure and an air quality detector thereof, the expandable machine case structure comprises a heat dissipation base and a machine case body arranged at the upper part of the heat dissipation base, a machine case expansion opening is reserved at one side of the machine case body, a turnover plate is movably arranged at the bottom of the machine case expansion opening through a rotating shaft, the turnover plate is movably matched with the machine case expansion opening, a wire coil is fixedly arranged on a first driven shaft, an expansion sealing film is tightly matched with the machine case expansion opening in an expansion state.
Description
Technical Field
The invention relates to the technical field of air detection cabinets, in particular to an expandable cabinet structure and an air quality detector thereof.
Background
The utility model provides a case expandable industrial control equipment with the publication number of CN209882342U in the prior art, including the case and set up the mainboard at the incasement, the case sets up to lack the casing of preceding shell and top shell, first spout has all been seted up at the middle part of the inner wall about the case, first spout upside has all seted up the draw-in hole, wire standing groove has been seted up to the backshell of case, the incasement slides has expansion mechanism, expansion mechanism includes L type shell and two sets of shells, the preceding shell and the top shell that the case lacks are corresponding respectively to two sets of shells of L type shell, and L type shell and case joint cooperation, the shell all is in L type shell both sides through welded fastening, the first buckle has all been welded to limit shell outside upper portion, limit shell outside lower part has all been welded the second buckle, first buckle and second buckle all with draw-in hole joint cooperation; the device is simple in structure, the whole installation is not installed by using screws, the installation efficiency is improved, the economic benefit is improved, and the main board in the case is convenient to clean, so that the service life of the main board is prolonged.
However, the case-expandable industrial control equipment still has obvious defects in the use process: 1. the device realizes the unfolding of the case in a lifting mode, but the sealing performance inside the case body is greatly reduced by adopting an integral lifting unfolding mode, and the loaded mechanism is still arranged in the case by adopting the lifting mode, so that great overhaul and maintenance difficulties still exist in the overhaul process; 2. the device realizes quick opening of the case only by an unfolding mode, and has single function.
Disclosure of Invention
The invention aims to provide an expandable chassis structure and an air quality detector thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a can expand chassis structure, includes the heat dissipation base and installs the chassis body in heat dissipation base upper portion, chassis body one side is reserved and is held the chassis expansion opening, chassis expansion opening bottom has the roll-over plate through pivot movable mounting, roll-over plate and chassis expansion opening movable fit, the roll-over plate inboard is used for bearing components and parts, roll-over plate keeps away from pivot one end both sides and all is connected with the haulage rope, haulage rope keeps away from roll-over plate one end and all winds on the drum that each belonged to, drum fixed mounting is on first driven shaft, still fixed mounting has driven accelerating gear on the first driven shaft, driven accelerating gear meshes with the driving gear, driving gear fixed mounting is on the driving shaft, driving shaft one end extends to chassis body outside, driving shaft is located chassis body outside one side and is connected with interior hexagonal rotation adjustment head, still fixed mounting has the driving pulley on the driving shaft, driving pulley is connected with driven reducing pulley through the wheel area, driven reducing pulley fixed mounting is on the bent axle connecting rod, still movable sleeve is equipped with the connecting rod on the cam lever, driven reducing pulley piston lift movable connection is kept away from inside the flexible connecting rod, the flexible piston lift link sets up in movable connection is kept away from inside the bent axle lift.
An anti-slip gear is fixedly arranged on the driving shaft and is in movable fit with the lifting anti-slip rod, an anti-slip extrusion spring is sleeved on the lifting anti-slip rod, and the anti-slip extrusion spring abuts against the upper part of the chassis body;
the bottom of the hydraulic oil cylinder is provided with an oil outlet, the oil outlet is communicated with a heat dissipation area arranged at the bottom of the chassis body, a circulating impeller is arranged in the heat dissipation area, the circulating impeller is fixedly arranged on a driving shaft of a circulating motor, one side, far away from the hydraulic oil cylinder, of the heat dissipation area is communicated with an S-shaped cooling groove arranged in the turnover plate through the oil outlet, one end, far away from the oil outlet, of the S-shaped cooling groove is communicated with an oil outlet head, and the oil outlet head is in movable fit with an oil inlet arranged at the upper part of a chassis opening;
the lifting magnet is fixedly arranged on the lifting connecting rod, one end of the lifting connecting rod, far away from the lifting magnet, is fixedly connected with a rubber sealing stop block, the lifting connecting rod is movably inserted on a lifting sliding rod arranged in the magnet movable cabin, one sides of the lifting connecting rod, far away from the rubber sealing stop block, of the lifting connecting rod are respectively provided with an extrusion spring, the rubber sealing stop block is used for plugging the oil inlet hole in a contact state, the oil inlet hole is arranged in an oil inlet pipeline, one end, far away from an oil outlet head, of the oil inlet pipeline is communicated with a hydraulic cylinder, fixed magnets in movable fit with the lifting magnet are fixedly arranged on the upper side and the lower side of the oil outlet head, the fixed magnets and the lifting magnet are in homopolar repulsion arrangement, an oil outlet groove is formed in the oil outlet head, and the oil outlet groove is in movable fit with the oil inlet hole;
the turnover plate is characterized in that a hydraulic sealing groove communicated with the S-shaped cooling groove is further formed in the periphery of the turnover plate, an expansion sealing film is arranged outside the hydraulic sealing groove, and the expansion sealing film is tightly matched with a chassis expansion opening in an expansion state.
Preferably, a heat dissipation silica gel is coated between the heat dissipation base and the bottom of the case body.
Preferably, the rotating shaft is internally provided with a turnover plate unfolding spring.
Preferably, a pair of auxiliary wire rollers are arranged on two sides of the inside of the case body, and the traction ropes on two sides are respectively erected on the pair of auxiliary wire rollers on one side.
An air quality detector comprises a chassis for mounting an air detection module, wherein the chassis adopts the expandable chassis structure.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the opening and closing of the chassis are realized in a manner of overturning the overturning plate, and as the chassis is only opened in the unfolding process, other structures of the chassis body still remain fixed in the process, and therefore, the sealing process only needs to ensure the tightness between the unfolding opening of the chassis and the overturning plate, so that the inside of the chassis can be effectively sealed, the sealing performance of the device is greatly improved, the normal operation of internal components in complex and severe environments is fully ensured, and in addition, in the manner of unfolding the overturning plate to one side, the working components are arranged on the overturning plate, so that the working components can be separated from the inside of the chassis body along with the overturning plate in the unfolding process, and the working components are completely exposed to the external environment after overturning, thereby being convenient for overhauling and maintenance;
2. according to the invention, the S-shaped cooling groove is arranged in the turnover plate, so that heat generated by the working components mounted on the turnover plate is rapidly transferred, and is emitted to the outside through the heat dissipation area and the heat dissipation base, so that the electric components in the case are ensured to be in a proper working temperature range, and the working stability of the internal components is further ensured;
3. according to the invention, the hydraulic sealing grooves are formed in the periphery of the turnover plate, and the lifting piston extrudes the hydraulic oil cylinder, so that the expansion sealing film is forced to expand and closely match with the chassis opening, the problem of poor sealing of the chassis opening is solved, and meanwhile, the process is carried out simultaneously with the opening and closing of the chassis, so that the practicability and the sealing performance of the device are greatly improved.
According to the invention, the opening and closing of the chassis are realized in a turnover mode of the turnover plate, the working components are installed on the turnover plate, the turned working components are completely exposed to the external environment, the S-shaped cooling groove is arranged in the turnover plate, so that heat generated by the working components installed on the S-shaped cooling groove can be quickly transferred, and the hydraulic sealing grooves are arranged on the periphery of the turnover plate, so that the problem of poor sealing of the opening of the chassis is solved, and the practicability and the sealing performance of the device are greatly improved.
Drawings
FIG. 1 is a schematic diagram illustrating the disassembly of the internal structure of a chassis body according to the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is an enlarged view of the area A of the present invention;
FIG. 4 is a schematic diagram of the rubber seal stop block in the oil outlet head disengaged state of the present invention;
FIG. 5 is a schematic view of a heat dissipation area according to the present invention;
FIG. 6 is a schematic perspective view of a turnover plate according to the present invention;
FIG. 7 is a schematic view of the hydraulic seal groove and S-shaped cooling groove opening structure of the present invention;
FIG. 8 is a schematic view of an expanded sealing film of the present invention in an expanded state;
fig. 9 is a perspective view showing the overall structure of the present invention.
In the figure: the device comprises a heat dissipation base, a machine case body, a machine case opening 3, a rotating shaft 4, a turnover plate 5, a bearing component 6, a traction rope 7, an 8 wire coil, a first driven shaft 9, a driven accelerating gear 10, a driving gear 11, a driving shaft 12, a hexagon rotation adjusting head 13, a driving belt pulley 14, a driven decelerating belt pulley 15, a crankshaft connecting rod 16, a telescopic connecting rod 17, a lifting piston 18, a hydraulic cylinder 19, an oil outlet 20, a heat dissipation area 21, a circulating impeller 22, a circulating motor 23, an oil outlet pipe 24, a 25S-shaped cooling groove 26 oil outlet head, an oil inlet 27, a 28 magnet movable cabin 29 lifting magnets, a lifting connecting rod 30, a rubber sealing stop block 31, a lifting slide bar 32, a pressing spring 33, an oil inlet pipeline 34, a fixed magnet 35, a 36 oil outlet groove 37 hydraulic sealing grooves 38 expansion sealing films, an auxiliary wire roller 39, an anti-slip gear 40, a lifting anti-slip bar 41 and an anti-slip pressing spring 42.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
referring to fig. 1-9, the present invention provides a technical solution:
embodiment one:
the utility model provides a can expand chassis structure, including radiating base 1 and install the chassis body 2 in radiating base 1 upper portion, radiating base 1 is used for evacuating the heat that carries from radiating base 1 to the external environment, thereby realize the exchange of external environment and the inside temperature of chassis body 2, chassis body 2 is inside be used for holding and bear the work components and parts, chassis body 2 one side is reserved and is had chassis expansion opening 3, chassis expansion opening 3 bottom through pivot 4 movable mounting has roll-over plate 5, close chassis expansion opening 3 through the closure of roll-over plate 5, in the same way, realize opening of chassis body 2 through the opening of roll-over plate 5, roll-over plate 5 and chassis expansion opening 3 movable fit, roll-over plate 5 inboard is used for bearing components and parts 6, thereby through internally mounted bear components and parts 6 and parts 6 carry out external power supply through the circuit hole that the chassis body 2 side was seted up, in the actual operation process, the two sides of one end of the turnover plate 5 far away from the rotating shaft 4 are respectively connected with the hauling ropes 7, the turnover plate 5 is sealed by the hauling of the hauling ropes 7, one end of the hauling ropes 7 far away from the turnover plate 5 is wound on the wire coil 8 which belongs to each other, the winding recovery of the hauling ropes 7 is realized by the rotation of the wire coil 8, the wire coil 8 is fixedly arranged on the first driven shaft 9, the first driven shaft 9 rotates to drive the rotation of the wire coil 8, the driven accelerating gear 10 is fixedly arranged on the first driven shaft 9, the driven accelerating gear 10 rotates to drive the first driven shaft 9 to rotate, the driven accelerating gear 10 is meshed with the driving gear 11, the driving gear 11 rotates to drive the driven accelerating gear 10 to rotate, and the driving gear 11 is larger than the driven accelerating gear 10 according to the description of figures 1-2, the driving shaft 12 rotates for one circle, the driven accelerating gear 10 can rotate for a plurality of circles, the quick retraction of the hauling rope 7 is realized by the mode, the driving gear 11 is fixedly arranged on the driving shaft 12, one end of the driving shaft 12 extends to the outside of the case body 2, one side of the driving shaft 12, which is positioned at the outside of the case body 2, is connected with the inner hexagonal rotation adjusting head 13, the driving shaft 12 is driven to rotate by rotating the inner hexagonal rotation adjusting head 13, the driving shaft 12 is fixedly provided with the driving belt pulley 14, the driving belt pulley 12 also drives the driven decelerating belt pulley 15 to rotate in the rotating process, the driving belt pulley 14 is connected with the driven decelerating belt pulley 15 through a belt, as can be seen by referring to the accompanying drawings 1-2 of the specification, the driving belt pulley 14 of the small turntable drives the driven decelerating belt pulley 15 of the large turntable to rotate, so that after the driving shaft 12 rotates for a plurality of circles, the driven reduction pulley 15 rotates by a small angle, further, by reasonably setting the gear ratio of the driving gear 11 and the driven acceleration gear 10 and the radius ratio of the driving pulley 14 and the driven reduction pulley 15, when the turnover plate 5 is in a completely closed state, the crank link 16 is just at the lowest point position, and when the driving shaft 12 rotates to drive the wire coil 8 to unwind, the rotation angle of the crank link 16 is smaller than 180 degrees in the 90-degree turnover process of the turnover plate 5 from the completely closed state to the completely opened state, the driven reduction pulley 15 is fixedly arranged on the crank link 16, a telescopic link 17 is movably sleeved on the cam rod of the crank link 16, one end of the telescopic link 17 far away from the crank link 16 rotates to drive the telescopic link 17 to rotate, the telescopic link 17 is movably connected with the lifting piston 18, the telescopic link 17 rotates to drive the lifting piston 18 to lift, the liquid level of hydraulic oil in the hydraulic oil cylinder 19 is changed through the movement of the lifting piston 18, and the lifting piston 18 is movably arranged in the hydraulic oil cylinder 19;
the bottom of the hydraulic cylinder 19 is provided with an oil outlet hole 20, the oil outlet hole 20 is communicated with a heat dissipation area 21 arranged at the bottom of the chassis body 2, a circulating impeller 22 is arranged in the heat dissipation area 21, the circulating impeller 22 is fixedly arranged on a driving shaft of a circulating motor 23, one side of the heat dissipation area 21, which is far away from the hydraulic cylinder 19, is communicated with an S-shaped cooling groove 25 arranged in the turnover plate 5 through an oil outlet pipe 24, one end of the S-shaped cooling groove 25, which is far away from the oil outlet pipe 24, is communicated with an oil outlet head 26, the oil outlet head 26 is movably matched with an oil inlet hole 27 arranged at the upper part of the chassis opening 3, and because the S-shaped cooling groove 25 is arranged in the turnover plate 5, when the turnover plate 5 is opened, the lifting piston 18 moves upwards from the lowest point, at this moment, the inside of the hydraulic cylinder 19 is negative pressure, liquid in the S-shaped cooling groove 25 enters the hydraulic cylinder 19 through the oil outlet hole 20, so that the loss of the cooling liquid is prevented, and in the same way, when the turnover plate 5 is closed, the lifting piston 18 descends so that the inside of the hydraulic cylinder 19 pumps the cooling liquid through the oil outlet hole 20, at this moment, the cooling liquid enters the inside the S-shaped cooling groove 25 again, so that the inside of the S-shaped cooling groove 25 under the condition that the situation that the turnover plate 5 is closed is ensured;
the upper side and the lower side of the oil inlet 27 are provided with magnet movable cabins 28, lifting magnets 29 are movably arranged in the upper and lower magnet movable cabins 28, lifting magnets 29 are fixedly arranged on lifting connecting rods 30, one ends of the lifting connecting rods 30 far away from the lifting magnets 29 are fixedly connected with rubber sealing check blocks 31, the upper and lower lifting connecting rods 30 are movably inserted into lifting slide rods 32 arranged in the magnet movable cabins 28, one sides of the upper and lower lifting connecting rods 30 far away from the rubber sealing check blocks 31 are respectively provided with a pressing spring 33, the upper and lower rubber sealing check blocks 31 are used for sealing the oil inlet 27 in a contact state, the oil inlet 27 is arranged in an oil inlet pipeline 34, one ends of the oil inlet pipeline 34 far away from an oil outlet head 26 are communicated with a hydraulic cylinder 19, the upper and lower sides of the oil outlet head 26 are fixedly provided with fixed magnets 35 which are movably matched with the upper and lower lifting magnets 29, the upper and lower fixed magnets 35 are arranged in a homopolar repulsion mode with the lifting magnets 29, an oil outlet groove 36 is formed in the oil outlet head 26, the oil outlet groove 36 is movably matched with the oil inlet 27, when the oil outlet head 26 is matched with the oil inlet 27, the fixed magnets 35 and the lifting magnets 29 are arranged in a same-level manner, the same-repellent side, the upper and lower sides of the lifting connecting rods 29 are used for pressing the oil cylinder 27 are in a contact state, one end far away from the oil outlet groove 35 is used for pressing the oil inlet 27, and moving away from the upper and lower side of the lifting magnet 27, and the lifting magnet is separated from the upper and lower side of the lifting magnet 27, and the lifting magnet is used for pressing the lifting sealing rod, and moving towards the oil cylinder 27, and the upper side of the lifting sealing rod is separated from the upper and lower sealing rod, and the upper side, and the lifting magnet is separated from the lifting cylinder, and the upper and lower side, and is separated from the lifting cylinder, and is moved, and is separated from the lifting and by the lifting and is separated;
the hydraulic seal groove 37 communicated with the S-shaped cooling groove 25 is further formed in the periphery of the turnover plate 5, the expansion seal film 38 is arranged outside the hydraulic seal groove 37, the expansion seal film 38 is tightly matched with the chassis opening 3 in an expansion state, when the turnover plate 5 is completely closed, the lifting piston 18 is located at the lowest point, hydraulic oil in the hydraulic oil cylinder 19 is pumped out to the greatest extent, the hydraulic oil is increased in the hydraulic oil way, and then the expansion seal film 38 is extruded, so that the expansion seal film 38 is expanded, and the expansion seal film 38 is tightly matched with the chassis opening 3, so that the chassis opening 3 is completely closed, and normal operation of components in the chassis under a severe environment is ensured.
Embodiment two:
in this embodiment, a heat dissipation silica gel is coated between the heat dissipation base 1 and the bottom of the chassis body 2, and the heat inside the chassis body 2 is more rapidly diffused to the heat dissipation base 1 by using the coating of the heat dissipation silica gel.
Embodiment III:
in this embodiment, the rotating shaft 4 is internally provided with a turnover plate unwinding spring, and by setting the turnover plate unwinding spring, when the wire coil 8 is unwound, the turnover plate 5 is automatically opened under the action of the external force of the turnover plate unwinding spring.
Embodiment four:
in this embodiment, a pair of auxiliary wire rollers 39 are disposed on two sides of the interior of the chassis body 2, and the traction ropes 7 on two sides are respectively erected on the pair of auxiliary wire rollers 39 on one side, so that the movement path of the traction ropes 7 is further ensured by the arrangement of the auxiliary wire rollers 39.
Fifth embodiment:
in this embodiment, the driving shaft 12 is fixedly provided with the anti-slip gear 40, the anti-slip gear 40 is movably matched with the lifting anti-slip rod 41, the lifting anti-slip rod 41 is further sleeved with the anti-slip extrusion spring 42, the anti-slip extrusion spring 42 abuts against the upper portion of the chassis body 2, and the anti-slip gear 40 is matched with the lifting anti-slip rod 41, so that the driving shaft 12 is prevented from slipping and reversing, and further when the inner hexagonal rotation adjusting head 13 rotates to enable the turnover plate 5 to be completely closed, the anti-slip gear 40 is matched with the lifting anti-slip rod 41, so that the turnover plate 5 can be guaranteed to be in the state and not move.
An air quality detector comprises a chassis for mounting an air detection module, wherein the chassis adopts the expandable chassis structure.
Working principle:
in the fully closed state of the turnover plate 5, by loosening the lifting slide-preventing rod 41 and matching with rotating the inner hexagonal rotating adjusting head 13, the wire coil 8 is accelerated to rotate and unreel, and synchronously, the crank connecting rod 16 is decelerated to rotate, because the crank connecting rod 16 is at the lowest point in the fully closed state, when the crank connecting rod 16 rotates, the lifting piston 18 rises to enable negative pressure in the hydraulic cylinder 19, at the moment, part of liquid in the S-shaped cooling groove and the hydraulic seal groove enters the inside of the hydraulic cylinder 19, at the moment, the liquid in the expansion sealing film 38 is reduced to be in a contracted state, the liquid level in the oil outlet head 26 falls, along with the complete opening of the turnover plate 5, the hydraulic oil in the inside cannot leak, and the contraction of the expansion sealing film 38 cannot affect the normal opening of the turnover plate 5, and similarly, in the closing process of the turnover plate 5, the hydraulic oil in the hydraulic cylinder 19 is pumped downwards by the lifting piston 18, at the moment, the hydraulic oil enters the S-shaped cooling groove and the hydraulic seal groove again, the expansion of the expansion sealing film 38 enables the chassis opening 3 to be completely closed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a but open chassis structure, includes heat dissipation base (1) and installs quick-witted case body (2) on heat dissipation base (1) upper portion, its characterized in that: the utility model discloses a speed reducer comprises a case body (2), a driven accelerating gear (10) is fixedly arranged on the bottom of the case opening (3) through a rotating shaft (4), the turning plate (5) is movably matched with the case opening (3), components and parts (6) are borne on the inner side of the turning plate (5), both sides of one end of the turning plate (5) far away from the rotating shaft (4) are respectively connected with a traction rope (7), one end of the traction rope (7) far away from the turning plate (5) is wound on a wire coil (8) which respectively belongs to, the wire coil (8) is fixedly arranged on a first driven shaft (9), the first driven shaft (9) is fixedly provided with the driven accelerating gear (10), the driven accelerating gear (10) is meshed with a driving gear (11), the driving gear (11) is fixedly arranged on a driving shaft (12), one end of the driving shaft (12) extends to the outer side of the case body (2), one side of the driving shaft (12) far away from the rotating shaft (2) is connected with an inner hexagonal rotation adjusting head (13), the driving pulley (14) is fixedly arranged on a driven pulley (15) and is fixedly connected with a driven pulley (16) through a speed reducer belt (15), a telescopic connecting rod (17) is movably sleeved on a cam rod of the crankshaft connecting rod (16), one end, far away from the crankshaft connecting rod (16), of the telescopic connecting rod (17) is movably connected with a lifting piston (18), and the lifting piston (18) is movably arranged in a hydraulic oil cylinder (19);
an anti-slip gear (40) is fixedly arranged on the driving shaft (12), the anti-slip gear (40) is movably matched with a lifting anti-slip rod (41), an anti-slip extrusion spring (42) is sleeved on the lifting anti-slip rod (41), and the anti-slip extrusion spring (42) abuts against the upper part of the case body (2);
an oil outlet (20) is formed in the bottom of the hydraulic oil cylinder (19), the oil outlet (20) is communicated with a heat dissipation area (21) formed in the bottom of the chassis body (2), a circulating impeller (22) is arranged in the heat dissipation area (21), the circulating impeller (22) is fixedly arranged on a driving shaft of a circulating motor (23), an S-shaped cooling groove (25) is formed in one side, far away from the hydraulic oil cylinder (19), of the heat dissipation area through an oil outlet pipe (24) and a turnover plate (5), one end, far away from the oil outlet pipe (24), of the S-shaped cooling groove (25) is communicated with an oil outlet head (26), and the oil outlet head (26) is in movable fit with an oil inlet (27) formed in the upper portion of a chassis opening (3);
the lifting type oil-repellent device is characterized in that a magnet movable cabin (28) is formed in the upper side and the lower side of an oil inlet hole (27), lifting magnets (29) are movably mounted in the magnet movable cabin (28) in the upper and the lower directions, the lifting magnets (29) are fixedly mounted on lifting connecting rods (30), rubber sealing check blocks (31) are fixedly connected to one ends of the lifting connecting rods (30) far away from the lifting magnets (29), the lifting connecting rods (30) are movably inserted on lifting sliding rods (32) mounted in the magnet movable cabin (28), pressing springs (33) are arranged on one sides of the lifting connecting rods (30) far away from the rubber sealing check blocks (31), the upper and the lower rubber sealing check blocks (31) are used for sealing the oil inlet hole (27) in a contact state, the oil inlet hole (27) is formed in an oil inlet pipeline (34), one ends of the oil inlet pipeline (34) far away from an oil outlet head (26) are communicated with a hydraulic oil cylinder (19), fixed magnets (35) which are movably matched with the lifting magnets (29) in the upper and lower sides of the lifting connecting rods (30), and the oil outlet head (26) is provided with an oil outlet groove (36) which is matched with the oil outlet groove (36);
the turnover plate (5) is also provided with a hydraulic sealing groove (37) communicated with the S-shaped cooling groove (25), an expansion sealing film (38) is arranged outside the hydraulic sealing groove (37), and the expansion sealing film (38) is tightly matched with the chassis opening (3) in an expansion state.
2. The expandable chassis structure of claim 1, wherein: and heat dissipation silica gel is coated between the heat dissipation base (1) and the bottom of the case body (2).
3. The expandable chassis structure of claim 1, wherein: the rotating shaft (4) is internally provided with a turnover plate unfolding spring.
4. The expandable chassis structure of claim 1, wherein: a pair of auxiliary wire rollers (39) are arranged on two sides of the interior of the case body (2), and the traction ropes (7) on two sides are respectively erected on the pair of auxiliary wire rollers (39) on one side where the traction ropes are located.
5. An air quality detector, includes the quick-witted case that is used for installing air detection module, its characterized in that: the enclosure employs the expandable enclosure structure of any of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111545687.3A CN114245640B (en) | 2021-12-16 | 2021-12-16 | Expandable chassis structure and air quality detector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111545687.3A CN114245640B (en) | 2021-12-16 | 2021-12-16 | Expandable chassis structure and air quality detector thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114245640A CN114245640A (en) | 2022-03-25 |
| CN114245640B true CN114245640B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111545687.3A Active CN114245640B (en) | 2021-12-16 | 2021-12-16 | Expandable chassis structure and air quality detector thereof |
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| CN (1) | CN114245640B (en) |
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