An explosion-proof analysis cabin

Abstract

The present invention discloses an explosion-proof analysis hut, specifically relating to the technical field of explosion-proof facilities, including a hut body with an air inlet pipe, and further including a baffle rotatably connected to the inner wall of the hut body and capable of closing the air inlet pipe after being turned downward; a dust sensor for detecting the dust concentration in the environment where the hut body is located; a turning part for driving the baffle to turn along its rotation fulcrum with the hut body; a spraying part for spraying and dust suppressing the dust at the outer orifice of the air inlet pipe when the baffle turns downward. A dust sensor is provided to detect the dust concentration in the external environment of the hut body. When the warning value is exceeded, the turning part will drive the baffle to turn downward, thereby closing the air inlet pipe and preventing dust from entering the hut body through the air inlet pipe. In addition, through the spraying part, the orifice of the air inlet pipe can be sprayed, so as to further prevent dust from entering the hut body during the turning process of the baffle.

Description

Technical Field

[0001] The present invention relates to the technical field of explosion-proof facilities, and more specifically, to an explosion-proof analysis hut. Background Art

[0002] The explosion-proof analysis hut integrates the combination, complete set and installation application of industrial on-line instruments, and has been widely used in oil refining and chemical enterprises first. The standardized and professional design of the on-site analysis hut makes the on-site installation and maintenance of the analysis instruments more convenient, and provides a good operation and running environment for the instruments. While ensuring the required use environment and the accuracy of the analysis data, the service life of the analysis instruments is improved, and it has been more and more applied in process devices and widely used in the enterprise safety performance.

[0003] Through retrieval, in the prior art (Chinese Patent No. CN108104566A), an explosion-proof hut is provided, which includes a hut body, a door and an observation window are provided on the hut body, a horizontally arranged partition is provided inside the hut body, and the partition divides the hut body into an upper auxiliary layer and a lower working layer. A through hole is provided on the partition, a ventilation pipe is connected in cooperation in the through hole, and both ends of the ventilation pipe extend into the auxiliary layer and the working layer respectively. A blower is further provided at the upper end of the ventilation pipe, a ventilation valve is further provided on the ventilation pipe, an air inlet pipe is provided on one side of the auxiliary layer, and an exhaust pipe is provided on one side of the working layer.

[0004] The explosion-proof analysis hut in the prior art ventilates through the air inlet pipe, and the air inlet pipe is in an open state. Therefore, when there is a dust hazard in the external environment, dust may enter the hut body along the air inlet pipe, thus generating a safety hazard. Therefore, when there is a dust hazard, the air inlet pipe needs to be closed in time to prevent dust from being inhaled into the hut body. Summary of the Invention

[0005] In order to overcome the above defects of the prior art, an embodiment of the present invention provides an explosion-proof analysis hut. The technical problem to be solved by the present invention is that the air inlet pipe of the explosion-proof analysis hut in the prior art cannot be closed in time to prevent dust from entering the hut body.

[0006] To achieve the above object, the present invention provides the following technical solution: an explosion-proof analysis hut, including a hut body provided with an air inlet pipe, further including:

[0007] A baffle rotatably connected to the inner wall of the hut body and capable of closing the air inlet pipe after being turned downward;

[0008] A dust sensor for detecting the dust concentration in the environment where the hut body is located;

[0009] A turning part for driving the baffle to turn along its turning fulcrum with the hut body;

[0010] A spraying part for spraying and dust - suppressing the dust at the outer opening of the intake pipe when the baffle flips downward.

[0011] For further optimization of the above - mentioned technical solution, the flipping part includes:

[0012] A cylinder pivotally connected to the inner wall of the housing;

[0013] An active block connected to the cylinder rod of the cylinder and pivotally connected to the baffle.

[0014] For further optimization of the above - mentioned technical solution, the spraying part includes:

[0015] A driving shaft coaxially rotatably connected to the intake pipe through a bracket and having one end passing through the intake pipe;

[0016] A plurality of fan blades provided at the end of the driving shaft passing through the intake pipe;

[0017] A rotary bin fixedly connected to the plurality of fan blades and coaxial with the driving shaft. The rotary bin has an annular contour and is hollow inside. A plurality of nozzles are provided on the end face of the rotary bin away from the housing;

[0018] An annular plug engaged in the rotary bin and capable of freely sliding along the axial direction of the rotary bin. A liquid storage cavity is formed between the annular plug and the inner wall of the side of the rotary bin away from the housing. Communication holes communicating with the nozzles and the liquid storage cavity are provided on the end face of the rotary bin;

[0019] A rotating unit for driving the driving shaft to rotate when the baffle flips downward;

[0020] An extrusion unit for driving the annular plug to extrude the water in the liquid storage cavity towards the communication holes when the driving shaft rotates.

[0021] For further optimization of the above - mentioned technical solution, the rotating unit includes:

[0022] A fixing frame provided in the intake pipe;

[0023] A rotary sleeve rotatably connected in the fixing frame and coaxial with the driving shaft. The driving shaft penetrates through the rotary sleeve slidably;

[0024] A worm gear coaxially fixedly connected to the end face of the rotary sleeve. A mounting cavity in the form of a blind hole is coaxially provided on the worm gear;

[0025] A volute spring provided in the mounting cavity and having two ends respectively connected to the driving shaft and the inner wall of the mounting cavity;

[0026] A worm horizontally rotatably connected in the intake pipe and externally meshing with the worm gear;

[0027] An arc rack fixedly connected to one side of the baffle plate facing the air inlet pipe;

[0028] A gear fixedly sleeved on the worm and meshing with the arc rack. When the baffle plate is turned downward, the arc rack meshes with the gear for transmission, and through the meshing of the worm and the worm wheel, the scroll spring accumulates elastic potential energy and can drive the drive shaft to rotate.

[0029] In a further optimization of the above technical solution, a hollow mounting seat is provided on the outer wall of the air inlet pipe, and an emergency stop switch for controlling the main power supply of the house body is connected to the mounting seat. The button cap of the emergency stop switch can penetrate into the rotary bin through the hollow part of the mounting seat. After the baffle plate is turned downward in place, the end of the arc rack away from the baffle plate will abut against the button cap of the emergency stop switch, so that the emergency stop switch disconnects the main power supply of the house body.

[0030] In a further optimization of the above technical solution, the extrusion unit includes:

[0031] A plurality of sliding rods axially arrayed along the rotary bin and passing through the rotary bin, and capable of freely sliding in the radial direction of the rotary bin. A counterweight ball is provided at one end of the sliding rod passing through the rotary bin.

[0032] A floating block fixedly connected to one end face of the annular plug facing the house body. An avoidance groove is provided on the floating block for the end of the sliding rod passing into the rotary bin to freely pass through. A sliding pin is provided at the end of the sliding rod passing into the rotary bin. A kidney-shaped hole for inserting the sliding pin is provided on the floating block. The length direction of the kidney-shaped hole forms an angle with the axial direction of the sliding rod. When the sliding rod moves toward the outside of the rotary bin, the sliding pin slides in the kidney-shaped hole and can drive the floating block to move toward the communication hole.

[0033] In a further optimization of the above technical solution, a positioning pin is horizontally fixedly connected to the floating block, and the positioning pin slidably passes through the end face of the rotary bin.

[0034] In a further optimization of the above technical solution, a return spring is installed in the liquid storage cavity. The elastic force of the return spring abuts against the annular plug and drives the annular plug to move away from the communication hole.

[0035] The technical effects and advantages of the present invention:

[0036] By setting a dust sensor in the present invention to detect the dust concentration in the external environment of the house body, when it exceeds the warning value, the flipping part will drive the baffle plate to turn downward, thereby closing the air inlet pipe and preventing dust from entering the house body through the air inlet pipe. In addition, through the spraying part, the mouth of the air inlet pipe can be sprayed, so as to further prevent dust from entering the house body during the flipping process of the baffle plate;

[0037] In the present invention, by setting the baffle to flip downward, the drive shaft rotates, and then the fan blades can rotate. When the fan blades rotate, on the one hand, it forms a seal for the inlet of the intake pipe to prevent dust from entering the intake pipe. On the other hand, after the fan blades rotate, an air flow is generated, and then the dust in the area near the inlet of the intake pipe is dispersed. In addition, after the drive shaft rotates, the annular plug will be driven by the extrusion unit to move towards the communication hole, so that the annular plug squeezes the water in the liquid storage cavity, and then the water is sprayed out through the communication hole and the nozzle to spray and suppress dust at the inlet of the intake pipe, realizing automatic spraying;

[0038] In the present invention, by setting the extrusion unit and through the rotation of the drive shaft, the counterweight ball generates a centrifugal force, and then drives the sliding rod to slide radially outward of the rotary bin. During the sliding process, the sliding pin will slide on the kidney-shaped hole, and drive the floating block to move towards the communication hole, so that the annular plug squeezes the water in the liquid storage cavity. Since the movement of the floating block is driven by the centrifugal force, the entire spraying process does not require manual control. Due to the continuous release of the elastic potential energy of the scroll spring, the drive shaft has a buffer at the moment of rotation. In addition, within a certain period of time after the baffle flips in place, the drive shaft is affected by inertia and the elastic potential energy of the scroll spring, and will continue to rotate for a certain time, so that the spraying time is further increased to achieve a good dust spraying effect, and due to the rotation of the rotary bin, the spraying blind area of the nozzle can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 is a schematic structural diagram of an explosion-proof analysis hut of the present invention;

[0040] Figure 2 is a schematic side view structural diagram of an explosion-proof analysis hut of the present invention;

[0041] Figure 3 is a schematic sectional view structural diagram of an explosion-proof analysis hut of the present invention;

[0042] Figure 4 is Figure 3 an enlarged schematic diagram of the partial structure at A in

[0043] Figure 5 is a schematic structural diagram of an explosion-proof analysis hut of the present invention with the housing omitted;

[0044] Figure 6 is a schematic side view structural diagram of an explosion-proof analysis hut of the present invention with the housing omitted;

[0045] Figure 7 is another schematic diagram of an explosion-proof analysis hut of the present invention with the housing omitted from another angle;

[0046] Figure 8 is a schematic partial sectional view structural diagram of an explosion-proof analysis hut of the present invention with the housing omitted;

[0047] Figure 9 For Figure 8 Schematic side view of the structure in the middle;

[0048] Figure 10 For Figure 9 Enlarged schematic of the local structure at position B in the middle;

[0049] Figure 11 Schematic of the structure of the housing in an explosion-proof analysis hut of the present invention.

[0050] Reference numerals are: 1 - housing, 2 - baffle, 3 - intake pipe, 4 - emergency stop switch, 5 - counterweight ball, 6 - rotary bin, 7 - nozzle, 8 - fan blade, 9 - sliding rod, 10 - positioning pin, 11 - arc rack, 12 - support arm, 13 - movable block, 14 - cylinder, 15 - liquid storage chamber, 16 - annular plug, 17 - worm, 18 - worm gear, 19 - drive shaft, 20 - communication hole, 21 - floating block, 22 - kidney-shaped hole, 23 - return spring, 24 - gear, 25 - fixed bracket, 26 - volute spring, 27 - sliding pin, 28 - rotary sleeve. Detailed implementation manners

[0051] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0052] As Figure 1-11 shown, the present invention provides an explosion-proof analysis hut, including a housing 1 provided with an intake pipe 3. Other equipment in the housing 1 is prior art and will not be elaborated here. Additionally, it further includes:

[0053] A baffle 2 rotatably connected to the inner wall of the housing 1 and capable of closing the intake pipe 3 after being turned downward. Specifically, a hinge can be installed on the upper edge of the baffle 2, and then the baffle 2 is rotatably connected to the inner wall of the housing 1 through the hinge;

[0054] A dust sensor for detecting the dust concentration in the environment where the housing 1 is located. The dust sensor is electrically connected to the control module installed in the housing 1 through a cable. When the dust sensor detects that the dust concentration in the external environment where the housing 1 is located exceeds the range, the control module collects the data of the dust concentration and generates a warning signal;

[0055] A flipping part for driving the baffle 2 to flip along its rotation fulcrum with the housing 1. After a warning signal is generated, the control module simultaneously controls the flipping part to act, so that the baffle 2 can flip downward along the rotation fulcrum with the housing 1, and further enables the baffle 2 to close the mouth of the air inlet pipe 3, so as to prevent dust in the external environment of the housing 1 from entering the housing 1 through the air inlet pipe 3;

[0056] A spraying part for spraying and dust-removing the dust outside the outer mouth of the air inlet pipe 3 when the baffle 2 flips downward. By the downward flipping of the baffle, the spraying part can perform spraying and dust-removing, which can avoid dust from entering the housing 1 through the air inlet pipe 3 to the greatest extent.

[0057] In an explosion-proof analysis hut described in the present invention, a dust sensor (not shown in the figure) collects the dust concentration data in the external environment of the housing 1 and feeds it back to the control module. The control module analyzes the data result. When the data is out of tolerance, the control module will control the flipping part to act, so that the flipping part drives the baffle 2 to flip downward, and further enables the baffle 2 to close the mouth of the air inlet pipe 3 to prevent dust from entering the air inlet pipe 3. In addition, when the baffle flips downward, the spraying part can spray and dust-remove the dust outside the mouth of the air inlet pipe 3, thereby reducing the potential safety hazard caused by dust entering the housing 1.

[0058] As Figure 1-11 shown, the flipping part includes:

[0059] A cylinder 14 pivotally connected to the inner wall of the housing 1. The cylinder 4 is controlled by an electromagnetic valve for its action. In addition, the electromagnetic valve is electrically connected to the control module, and the control module controls the on-off of the electromagnetic valve, thereby being able to control the action of the cylinder 4;

[0060] An activity block 13 connected to the cylinder rod of the cylinder 14 and pivotally connected to the baffle 2. Specifically, an arm 12 is welded on the baffle 2, and the arm 12 is rotatably connected to the activity block 13.

[0061] In an explosion-proof analysis hut described in the present invention, by controlling the electromagnetic valve to be energized by the control module, the electromagnetic valve acts, and then the cylinder rod of the cylinder 4 extends to drive the baffle 2 to rotate downward, so that the surface of the baffle 2 fits against the inner wall of the housing, thereby sealing the mouth of the air inlet pipe 3 and preventing dust from entering the housing 1.

[0062] As Figure 1-11 shown, the spraying part includes:

[0063] A driving shaft 19 coaxially rotatably connected to the air inlet pipe 3 through a bracket and having one end passing through the air inlet pipe 3. A bearing is installed in the middle of the bracket, and the driving shaft 19 is inserted on the bearing, so that the driving shaft 19 is rotatably connected to the air inlet pipe 3;

[0064] A plurality of fan blades 8 are provided on one end of the drive shaft 19 passing through the intake pipe 3. In addition, the plurality of fan blades 8 are arranged in an axial array along the drive shaft 19. When the drive shaft 19 rotates, the fan blades 8 will be rotated, thereby causing the fan blades to generate an air flow blowing outside the mouth of the intake pipe 3;

[0065] A rotary bin 6 fixedly connected to the plurality of fan blades 8 and coaxial with the drive shaft 19. The rotary bin 6 has an annular contour and is hollow inside. A plurality of nozzles 7 are provided on one end face of the rotary bin 6 away from the housing 1. The mouths of the nozzles 7 are inclined toward the radial inner side of the rotary bin 6;

[0066] An annular plug 16 that is engaged in the rotary bin 6 and can freely slide along the axial direction of the rotary bin 6. A liquid storage cavity 15 is formed between the annular plug 16 and the inner wall of the rotary bin 6 on the side away from the housing 1. Spraying water is stored in the liquid storage cavity 15. In addition, a communication hole 20 communicating with the nozzles 7 and the liquid storage cavity 15 is opened on the end face of the rotary bin 6;

[0067] A rotating unit for driving the drive shaft 19 to rotate when the baffle 2 is turned downward;

[0068] An extrusion unit for driving the annular plug 16 to extrude the water in the liquid storage cavity 15 toward the communication hole 20 when the drive shaft 19 rotates.

[0069] In an explosion-proof analysis hut according to the present invention, when the baffle 2 is turned downward, the rotating unit will synchronously drive the drive shaft 19 to rotate. When the drive shaft 19 rotates, it will drive a plurality of fan blades to rotate. When the fan blades rotate, on the one hand, it forms a seal for the mouth of the intake pipe to prevent dust from entering the intake pipe. On the other hand, after the fan blades rotate, an air flow is generated, thereby dispersing the dust in the area near the mouth of the intake pipe. In addition, the extrusion unit will generate an extrusion force on the annular plug, causing the annular plug to synchronously extrude the spraying water in the liquid storage cavity, so that the spraying water enters the nozzles 7 through the communication hole 20 and then is sprayed out by the nozzles 7.

[0070] As Figure 1-11 shown, the rotating unit includes:

[0071] A fixed bracket 25 provided in the intake pipe 3. Both ends of the fixed bracket 25 can be installed on the inner wall of the intake pipe 3 by welding. A bearing (not shown in the figure) is embedded in the middle of the fixed bracket 25;

[0072] A rotary sleeve 28 rotatably connected in the fixed bracket 25 and coaxial with the drive shaft 19. The rotary sleeve 28 is installed on the bearing so that the rotary sleeve 28 is rotatably connected to the fixed bracket 25. The drive shaft 19 slidably penetrates the rotary sleeve 28;

[0073] A worm gear 18 coaxially fixed to the end face of the rotary sleeve 28. A mounting cavity in the form of a blind hole is coaxially provided on the worm gear 18;

[0074] A scroll spring 26 disposed in the installation cavity and having two ends respectively connected to the drive shaft 19 and the inner wall of the installation cavity;

[0075] A worm 17 adapted to be horizontally rotatably connected to the intake pipe 3 by a mounting bearing and externally meshing with the worm gear 18;

[0076] An arc-shaped rack 11 fixedly connected to the side of the baffle 2 facing the intake pipe 3;

[0077] A gear 24 fixedly sleeved on the worm 17 and meshing with the arc-shaped rack 11. When the baffle 2 is turned downward, the arc-shaped rack 11 meshes with the gear 24 for transmission, and through the meshing of the worm 17 and the worm gear 18, the scroll spring 26 accumulates elastic potential energy and can drive the drive shaft 19 to rotate.

[0078] In an explosion-proof analysis hut according to the present invention, when the baffle is turned downward, it synchronously drives the arc-shaped rack to swing along the rotation fulcrum of the baffle. The arc-shaped rack externally meshes with the gear 24, and thus can drive the worm 17 to rotate. After the worm 17 rotates, the worm 17 meshes with the worm gear, and thus the worm gear rotates. When the worm gear rotates, first, the scroll spring contracts to accumulate elastic potential energy in the scroll spring. At the same time, the elastic potential energy of the scroll spring is also converted into the effect of driving the drive shaft to rotate, so that the drive shaft rotates. When the drive shaft 19 rotates, it will drive the rotary bin and the fan blades to rotate.

[0079] As Figure 1-11 shown, a hollow mounting seat is provided on the outer wall of the intake pipe 3, and an emergency stop switch 4 for controlling the main power supply of the housing 1 is connected to the mounting seat. When the button cap of the emergency stop switch 4 is pressed, the emergency stop switch is in a power-off state, and thus can disconnect the main power supply in the housing. The button cap of the emergency stop switch 4 can penetrate into the rotary bin 6 through the hollow part of the mounting seat. After the baffle 2 is turned downward in place, the end of the arc-shaped rack 11 away from the baffle 2 will abut against the button cap of the emergency stop switch 4, causing the emergency stop switch 4 to disconnect the main power supply of the housing 1.

[0080] In an explosion-proof analysis hut according to the present invention, when the baffle is turned downward, the arc-shaped rack will swing. After the baffle is turned in place, one end of the arc-shaped rack away from the baffle penetrates into the hollow part of the mounting seat and abuts against the button cap of the emergency stop switch, causing the button cap to be pressed. In this way, the emergency stop switch is in a power-off state, and thus can quickly disconnect the main power supply in the housing to avoid dust entering the housing and causing potential safety hazards.

[0081] As Figure 1-11 shown, the extrusion unit includes:

[0082] A plurality of sliding rods 9 axially arrayed and penetrating through the rotary bin 6 along the axis of the rotary bin 6 and capable of freely sliding in the radial direction of the rotary bin 6. A counterweight ball 5 is provided at one end of the sliding rod 9 penetrating out of the rotary bin 6;

[0083] A floating block 21 fixedly connected to one end face of the annular plug 16 facing the housing 1. An avoidance groove is formed on the floating block 21 for the end of the sliding rod 9 passing through and freely passing into the rotary bin 6. The sliding rod 9 can slide axially along the rotary bin in the avoidance groove. A sliding pin 27 is provided at the end of the sliding rod 9 passing through the rotary bin 6. An oblong hole 22 for inserting the sliding pin 27 is formed on the floating block 21. The length direction of the oblong hole 22 forms an angle with the axial direction of the sliding rod 9, and this angle is less than 90 degrees. When the sliding rod 9 moves outward toward the outside of the rotary bin 6, the sliding pin 27 slides in the oblong hole 22 and can drive the floating block 21 to move toward the communication hole 20.

[0084] In the explosion-proof analysis hut of the present invention, when the drive shaft rotates, the sliding rod 9 and the counterweight ball move outward in the radial direction of the rotary bin under the action of centrifugal force, causing the sliding pin on the sliding rod to slide in the oblong hole. And through the relative sliding of the sliding pin and the inner wall of the oblong hole, the floating block can be driven to move toward the communication hole. During the movement, the annular plug will squeeze the spray water in the liquid storage cavity 15, so that the spray water enters the nozzle 7 from the communication hole 20. Under the pressure of the annular plug, the spray water is ejected from the nozzle 7, and thus the dust outside the mouth of the intake pipe 3 can be sprayed and dust-settled.

[0085] As Figure 1-11 shown, a positioning pin 10 is horizontally fixedly connected to the floating block 21. The positioning pin 10 slidably passes through the end face of the rotary bin 6. Through the setting of the positioning pin, the movement of the annular plug has a guide.

[0086] As Figure 1-11 shown, a return spring 23 is installed in the liquid storage cavity 15. The elastic force of the return spring 23 abuts against the annular plug 16 and drives the annular plug 16 to move away from the communication hole 20. Through the setting of the return spring 23, in the initial state, the annular plug will not squeeze the spray water in the liquid storage cavity, avoiding the overflow of the spray water from the nozzle in the initial state.

[0087] Finally, several points should be noted: First, in the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. It can be a mechanical connection or an electrical connection, or it can be the communication inside two components. It can be directly connected. "Up", "down", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change;

[0088] Second: In the attached drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments of the present invention are involved. Other structures can refer to the usual designs. Without conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0089] Finally: The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An explosion-proof analysis hut, comprising a hut body (1) provided with an air inlet pipe (3), characterized in that, It further includes: A baffle (2) rotatably connected to the inner wall of the housing (1) and capable of closing the intake pipe (3) when turned downward; A dust sensor for detecting the dust concentration in the environment where the housing (1) is located; A turning part for driving the baffle (2) to turn along its turning fulcrum with the housing (1); A spraying part for spraying and dust suppressing the dust at the outer opening of the intake pipe (3) when the baffle (2) turns downward; The spraying part includes: A driving shaft (19) coaxially rotatably connected to the intake pipe (3) through a bracket and having one end passing through the intake pipe (3); A plurality of fan blades (8) provided at the end of the driving shaft (19) passing through the intake pipe (3); A rotary bin (6) fixedly connected to the plurality of fan blades (8) and coaxial with the driving shaft (19), the rotary bin (6) having an annular contour and being hollow inside, and a plurality of nozzles (7) provided on the end face of the rotary bin (6) away from the housing (1); An annular plug (16) engaged in the rotary bin (6) and capable of sliding freely along the axial direction of the rotary bin (6), a liquid storage cavity (15) being formed between the annular plug (16) and the inner wall of the rotary bin (6) on the side away from the housing (1), and a communication hole (20) being opened on the end face of the rotary bin (6) and communicating with the nozzles (7) and the liquid storage cavity (15); A rotating unit for driving the driving shaft (19) to rotate when the baffle (2) turns downward; An extrusion unit for driving the annular plug (16) to extrude the water in the liquid storage cavity (15) towards the communication hole (20) when the driving shaft (19) rotates.

2. The explosion-proof analysis cabin according to claim 1, characterized in that, The turning part includes: A cylinder (14) pivotally connected to the inner wall of the housing (1); A movable block (13) connected to the cylinder rod of the cylinder (14) and pivotally connected to the baffle (2).

3. An explosion-proof analysis hut according to claim 1, characterized in that The rotating unit includes: A fixed frame (25) provided in the intake pipe (3); A rotary sleeve (28) rotatably connected in the fixed frame (25) and coaxial with the driving shaft (19), the driving shaft (19) slidably penetrating the rotary sleeve (28); A worm gear (18) coaxially fixedly connected to the end face of the rotary sleeve (28), a blind hole - shaped installation cavity being coaxially provided on the worm gear (18); A volute spring (26) provided in the installation cavity and having two ends respectively connected to the driving shaft (19) and the inner wall of the installation cavity; A worm (17) horizontally rotatably connected in the intake pipe (3) and externally meshing with the worm gear (18); An arc - shaped rack (11) fixedly connected to the side face of the baffle (2) facing the intake pipe (3); A gear (24) fixedly sleeved on the worm (17) and meshing with the arc - shaped rack (11), when the baffle (2) turns downward, the arc - shaped rack (11) meshes with the gear (24) for transmission, and through the meshing of the worm (17) and the worm gear (18), the volute spring (26) accumulates elastic potential energy and can drive the driving shaft (19) to rotate.

4. The explosion-proof analysis hut according to claim 3, wherein, A hollow mounting seat is provided on the outer wall of the intake pipe (3). An emergency stop switch (4) for controlling the main power supply of the house body (1) is connected to the mounting seat. The button cap of the emergency stop switch (4) can penetrate into the intake pipe (3) through the hollow part of the mounting seat. After the baffle (2) is turned downward in place, the end of the arc-shaped rack (11) far from the baffle (2) will abut against the button cap of the emergency stop switch (4), so that the emergency stop switch (4) disconnects the main power supply of the house body (1).

5. An explosion-proof analysis cabin according to claim 1, characterized in that, The extrusion unit includes: A plurality of sliding rods (9) axially arrayed along the rotary bin (6) and passing through the rotary bin (6) and capable of freely sliding in the radial direction of the rotary bin (6). A counterweight ball (5) is provided at one end of the sliding rod (9) passing out of the rotary bin (6). A floating block (21) fixedly connected to the end face of the annular plug (16) facing the house body (1). An avoidance groove is formed on the floating block (21) for the end of the sliding rod (9) passing into the rotary bin (6) to freely pass through. A sliding pin (27) is provided at one end of the sliding rod (9) passing into the rotary bin (6). A waist-shaped hole (22) for inserting the sliding pin (27) is formed on the floating block (21). The length direction of the waist-shaped hole (22) forms an angle with the axial direction of the sliding rod (9). When the sliding rod (9) moves towards the outside of the rotary bin (6), the sliding pin (27) slides in the waist-shaped hole (22) and can drive the floating block (21) to move towards the communication hole (20).

6. An explosion-proof analysis hut according to claim 5, characterized in that, A positioning pin (10) is horizontally fixedly connected to the floating block (21), and the positioning pin (10) slidably passes out of the end face of the rotary bin (6).

7. An explosion-proof analysis hut according to claim 5, characterized in that, A return spring (23) is installed in the liquid storage cavity (15). The return spring (23) elastically abuts against the annular plug (16) and drives the annular plug (16) to move away from the communication hole (20).

Images