Air circulation system for rail locomotive toilet
By introducing swing and shaking mechanisms into the air circulation system of the rail locomotive bathroom, the multi-directional diffusion of purified gas and the cleaning of the filter net are promoted, and the problem of low purification efficiency of existing equipment is solved, and the rapid resolution of bathroom odor and filtration effect is achieved. .
Patent Information
- Application Number
- CN202410758687.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2044-06-13
AI Technical Summary
The gas after purified air circulation equipment of existing rail locomotive bathrooms cannot spread rapidly, resulting in low purification efficiency and cannot quickly solve the odor problem in the bathroom, affecting passengers' mood when riding.
A rail locomotive bathroom air circulation system including a fan, a filter, an activated carbon net, a swing mechanism and an auxiliary mechanism is designed to provide the exhaust pipe through a support plate, a motor, a rotating rod, a swing rod, a swing plate, a rotating block and a connecting block. The exhausted gas is spoiled, increasing the gas diffusion range, and multi-directional disturbance is performed through moving disks, return springs, arc ring blocks, fixing rods, racks, gears and swing blocks, combining cams, connecting rods, transmission blocks and connections The spring jitters the filter and cleans up the bottom impurities.
It improves the bathroom air purification efficiency, quickly solves odor problems, ensures passengers' comfort, and prevents the accumulation of impurities at the bottom of the filter net from affecting the filtration effect.
Smart Images
Figure CN118529086B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of rail locomotives, in particular to an air circulation system for a rail locomotive toilet. Background Art
[0002] A railway locomotive is a self-propelled vehicle that has the power to pull or push other railway vehicles running on the railway. It does not carry any commercial load itself. It is an important tool for railway transportation. It is referred to as a locomotive. The locomotive uses the power generated by a steam engine, diesel engine, traction motor or other power machinery to drive the driving wheels (driving wheels) through the locomotive transmission. The toilet inside the locomotive is used to provide passengers with toilet facilities for convenience.
[0003] Because the toilet in the locomotive is relatively small and not ventilated, when there is an odor in the toilet, air circulation purification equipment is needed to purify the air in the toilet.
[0004] The existing rail locomotive toilet air circulation equipment, when purifying the toilet air, can only exhaust the purified gas in one direction, which results in the purified gas not being able to quickly diffuse into the toilet, resulting in low purification efficiency, and the odor in the toilet cannot be quickly resolved, which will affect the passengers' mood. In view of this, a rail locomotive toilet air circulation system is proposed. Summary of the invention
[0005] The object of the present invention is to provide an air circulation system for a rail vehicle toilet to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above object, the present invention provides the following technical solutions:
[0007] A rail locomotive toilet air circulation system comprises a base, a body is fixed on the top of the base, a fan is fixed on the inner wall of the body, a connecting pipe is fixed on the left side of the fan, the connecting pipe passes through the left side of the body and is fixedly connected at the passing point, an air suction hood is fixed on the left side of the connecting pipe, an air outlet pipe is fixed on the top of the fan, a filter is slidably mounted on the inner wall of the body, an activated carbon net is fixed on the inner wall of the body, a guide plate is fixed on the inner wall of the body, an exhaust pipe is fixed on the top of the body, a swing mechanism for disturbing air is arranged on the top of the body, an auxiliary mechanism for accelerating air diffusion is arranged on the swing mechanism, and a shaking mechanism for driving the filter to shake is arranged on the body.
[0008] Preferably, a support block is fixed to the inner wall of the body, and the support blocks are provided in two groups, and the two groups of support blocks are symmetrically arranged with the center line of the filter in the vertical direction as the symmetry axis, and a placement plate is slidably installed on the side wall of the support block, and the placement plate passes through the side wall of the body, and a fragrance sheet is placed on the inner side of the placement plate, and a handle is fixed to the side wall of the placement plate, and the placement plate can be pulled out of the body by pulling the handle, so that the fragrance sheet can be replaced conveniently.
[0009] Preferably, the swing mechanism includes a support plate, a support plate is fixed on the left side of the body, a motor is fixed on the top of the support plate, a rotating rod is fixed to the output end of the motor, a rotating block is fixed to the end point of the rotating rod, and an extrusion rod is fixed to the side of the rotating block away from the rotating rod.
[0010] Preferably, a fixed block is fixed on the top of the body, a swing rod is rotatably installed on the side wall of the fixed block, a swing plate is fixed to the outer wall of the swing rod, a connecting block is fixed to the end of the swing rod away from the swing plate, a through hole is opened at the bottom of the connecting block, and the extrusion rod passes through the through hole. By arranging a support plate, a motor, a rotating rod, a fixed block, a swing rod, a swing plate, a rotating block, an extrusion rod and a connecting block, the air passing through the fragrance sheet can be turbulent, so that the gas discharged from the exhaust pipe can diffuse over a wider range, the efficiency of bathroom purification can be faster, the work efficiency can be improved, and the odor in the bathroom can be quickly solved.
[0011] Preferably, the auxiliary mechanism includes a rack, which is slidably mounted on the inner wall of the swing plate, a rotating shaft passes through the swing plate, and the rotating shaft is rotatably connected to the penetration point of the swing plate, a gear is fixed to the outer wall of the rotating shaft, the outer wall of the gear is in mutual meshing with the top of the rack, and a swing block is fixed to the outer wall of the rotating shaft.
[0012] Preferably, a moving plate is slidably mounted on the outer wall of the swing arm, a return spring is fixed to the side wall of the moving plate, the return spring is fixed to the inner wall of the swing arm on the side away from the moving plate, the side wall of the rack is fixedly connected to the side wall of the moving plate, an arc-shaped ring block is fixed on the side of the moving plate away from the rack, and a fixed rod is fixed to the side wall of the fixed block. By arranging the moving plate, the return spring, the arc-shaped ring block, the fixed rod, the rack, the gear, the rotating shaft and the swing block, the swing block can be made to swing on the swing plate when the swing plate is swinging, thereby causing the air discharged from the exhaust pipe to be disturbed in multiple directions, thereby causing the air to diffuse more widely in the bathroom, thereby further improving the efficiency of bathroom purification.
[0013] Preferably, the shaking mechanism includes a cam, which is fixed to the outer wall of the swing arm. A connecting rod is passed through the top of the body, and the connecting rod is slidably connected to the body at the penetration point. The bottom of the connecting rod is fixedly connected to the top of the filter screen, and the connecting rod passes through the activated carbon screen, and the penetration point is fitted. By arranging the cam, the connecting rod, the transmission block and the connecting spring, the filter screen can be shaken back and forth when the swing arm is rotated, and then impurities attached to the bottom of the filter screen can be shaken off, thereby preventing the bottom of the filter screen from absorbing too many impurities and affecting the air filtration effect.
[0014] Preferably, a connecting spring is fixed to the bottom of the transmission block, the bottom of the connecting spring is fixed to the top of the machine body, a support rod is fixed to the top of the air outlet pipe, and a semicircular cover is fixed to the top of the support rod. By arranging the support rod and the semicircular cover, impurities at the bottom of the filter can be prevented from falling into the air outlet pipe.
[0015] Preferably, six swing blocks are arranged on the swing plate, two groups of swing blocks form one group, and three groups of swing blocks are arranged on the swing plate in a linear array.
[0016] Compared with the prior art, the present invention provides a rail locomotive toilet air circulation system, which has the following beneficial effects:
[0017] 1. In order to quickly purify the air in the toilet, the rail locomotive toilet air circulation system can disturb the air passing through the fragrance sheet by setting a support plate, a motor, a rotating rod, a fixed block, a swing rod, a swing plate, a rotating block, an extrusion rod and a connecting block, so that the gas discharged from the exhaust pipe can be diffused in a wider range, the toilet purification efficiency is faster, the work efficiency is improved, and the odor in the toilet can be quickly solved.
[0018] 2. In order to further improve the purification efficiency of the air in the locomotive toilet, the locomotive toilet air circulation system is provided with a moving plate, a return spring, an arc-shaped ring block, a fixed rod, a rack, a gear, a rotating shaft and a swing block. When the swing plate is swinging, the swing block can be swung on the swing plate, thereby multi-directionally disturbing the air discharged from the exhaust pipe, thereby making the air diffuse more widely in the toilet, and further improving the purification efficiency of the toilet.
[0019] 3. In order to clean the impurities adsorbed on the bottom of the filter, the locomotive toilet air circulation system sets a cam, a connecting rod, a transmission block and a connecting spring. When the swing arm rotates, the filter can be shaken back and forth, and the impurities attached to the bottom of the filter can be shaken off to prevent the bottom of the filter from adsorbing too many impurities, which will affect the air filtration effect.
[0020] 4. The rail locomotive toilet air circulation system can pull the placement plate out of the machine body by pulling the handle, so that the fragrance sheet can be removed from the machine body, thereby facilitating the replacement of the fragrance sheet in the placement plate and facilitating the operation of the staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0022] Figure 2 It is a structural schematic diagram of the present invention as a whole;
[0023] Figure 3 It is a schematic diagram of the overall side cross-sectional structure of the present invention;
[0024] Figure 4 It is a schematic diagram of the overall front cross-sectional structure of the present invention;
[0025] Figure 5 A schematic diagram of the structure of the present invention is a front cross-sectional view of the whole structure;
[0026] Figure 6 It is a schematic diagram of the structure of the swing mechanism and the shaking mechanism of the present invention;
[0027] Figure 7 It is a schematic diagram of the structure of the swing mechanism of the present invention;
[0028] Figure 8 It is a schematic diagram of the auxiliary mechanism structure of the present invention;
[0029] Fig. 9 For the present invention Figure 5 A magnified schematic diagram of the structure of A;
[0030] Fig.10 For the present invention Figure 7 Schematic diagram of the enlarged structure of B.
[0031] In the figure: 1, base; 2, machine body; 3, fan; 4, connecting pipe; 5, suction hood; 6, exhaust pipe; 7, filter screen; 8, activated carbon screen; 9, swing mechanism; 901, support plate; 902, motor; 903, fixed block; 904, swing rod; 905, swing plate; 906, connecting block; 907, rotating rod; 908, rotating block; 909, squeezing rod; 10, guide plate; 11, support block; 12, placement plate; 13, incense Atmosphere piece; 14. handle; 15. auxiliary mechanism; 1501. rack; 1502. rotating shaft; 1503. gear; 1504. swing block; 1505. moving plate; 1506. return spring; 1507. arc ring block; 1508. fixing rod; 16. shaking mechanism; 1601. cam; 1602. connecting rod; 1603. transmission block; 1604. connecting spring; 17. air outlet pipe; 18. support rod; 19. semicircular cover. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0033] like Figure 1-Figure 10 As shown, the present invention provides a technical solution: an air circulation system for a rail locomotive toilet, comprising a base 1, a body 2 is fixed on the top of the base 1, a fan 3 is fixed on the inner wall of the body 2, a connecting pipe 4 is fixed on the side wall of the fan 3, an air suction hood 5 is fixed on the end of the connecting pipe 4 away from the fan 3, and the air suction hood 5 can absorb the gas in the toilet by starting the fan 3, an air outlet pipe 17 is fixed on the top of the fan 3, a filter screen 7 is fixed on the inner wall of the body 2, an activated carbon screen 8 is fixed on the inner wall of the body 2, and the fan 4 is fixed on the side wall of the fan 3. The air sucked in is discharged from the air outlet pipe 17, and the air from the air outlet pipe 17 passes through the filter screen 7, and the fine impurities in the air can be filtered through the filter screen 7. After the air is filtered through the filter screen 7, the air passes through the activated carbon net 8, and the bacteria and odor mixed in the air are adsorbed by the activated carbon net 8. An exhaust pipe 6 is fixed on the top of the body 2, and the purified air is discharged through the exhaust pipe 6, so that the air in the bathroom can be recycled and purified. A support block 11 is fixed on the inner wall of the body 2, and the support block 11 is provided with two groups, and The two groups of support blocks 11 are symmetrically arranged with the center line of the machine body 2 in the vertical direction as the symmetry axis. The side wall of the support block 11 is slidably installed with a placement plate 12. The support block 11 can guide the placement plate 12. The inner wall of the placement plate 12 is placed with a fragrance sheet 13. When the air moves upward for discharge, the air will contact the fragrance sheet 13, so that the gas discharged from the exhaust pipe 6 will have a light fragrance, which can improve the smell of the bathroom and make the smell of the bathroom more comfortable for people. The side of the placement plate 12 A handle 14 is fixed to the wall. By pulling the handle 14, the placement plate 12 can be pulled out, and the fragrance sheet 13 placed in the placement plate 12 can be replaced. A guide plate 10 is fixed to the inner wall of the body 2. Two groups of guide plates 10 are provided, and the two groups of guide plates 10 are symmetrically arranged with the center line of the filter screen 7 in the vertical direction as the symmetry axis. By setting the guide plates 10, the space can be reduced when the air moves upward, so that the air can contact the fragrance sheet 13 more fully. A swing mechanism 9 for disturbing the air is provided on the body 2.
[0034] In an embodiment of the present invention, a swing mechanism 9 is provided to quickly purify the bathroom air. The swing mechanism 9 includes a support plate 901, a motor 902, a rotating rod 907, a fixed block 903, a swing rod 904, a swing plate 905, a rotating block 908, an extruding rod 909 and a connecting block 906; the support plate 901 is fixed to the left side of the body 2, the motor 902 is fixed to the top of the support plate 901, and the output end of the motor 902 is fixed to the rotating rod 907. When the motor 902 is started, the rotating rod 907 is driven to rotate, the fixed block 903 is fixed to the top of the body 2, the swing rod 904 is rotatably installed on the left side of the fixed block 903, and the outer wall of the swing rod 904 is fixed to the swing plate 905. By setting the swing plate 905, the air discharged from the exhaust pipe 6 can be purified. The turbulence makes the air passing through the fragrance sheet 13 diffuse over a wider range, and the air in the bathroom can be quickly purified. A rotating block 908 is fixed to the end of the rotating rod 907 away from the motor 902, and an extrusion rod 909 is fixed to the side of the rotating block 908 away from the rotating rod 907. A connecting block 906 is fixed to the end of the swing rod 904 away from the fixed block 903. A through hole is provided at the bottom of the connecting block 906, and the extrusion rod 909 passes through the through hole. When the rotating rod 907 rotates, the rotating block 908 can drive the extrusion rod 909 to perform a circular motion in the through hole of the connecting block 906, so that the connecting block 906 can swing, and the swing rod 904 can swing and rotate, so that the swing rod 904 drives the swing plate 905 to swing, and the air discharged from the exhaust pipe 6 can be turbulent.
[0035] On the basis of the above embodiment, in another embodiment of the present invention, the swing plate 905 is provided with an auxiliary mechanism 15 for accelerating air diffusion, and the body 2 is provided with a shaking mechanism 16 for driving the filter screen 7 to shake, the auxiliary mechanism 15 includes a moving plate 1505, a return spring 1506, an arc-shaped ring block 1507, a fixed rod 1508, a rack 1501, a gear 1503, a rotating shaft 1502 and a swing block 1504; the moving plate 1505 is slidably mounted on the swing rod 904, and the side wall of the moving plate 1505 is fixed with a return spring 1506, and the return spring The side of the swing plate 1506 away from the moving plate 1505 is fixed to the inner wall of the swing rod 904. The reset spring 1506 can be set to reset the moving plate 1505. The inner wall of the swing plate 905 is slidably mounted with a rack 1501. The swing plate 905 is penetrated by a rotating shaft 1502, and the penetration is rotatably connected. The outer wall of the rotating shaft 1502 is fixed with a gear 1503. The bottom of the gear 1503 is meshed with the top of the rack 1501. The side wall of the moving plate 1505 is fixedly connected to the side wall of the rack 1501. The side wall of the fixed block 903 is fixed with a fixed rod 1501. 8. An arcuate ring block 1507 is fixed to the side of the moving plate 1505 away from the swing plate 905. When the swing rod 904 drives the moving plate 1505 to rotate, the inclined surface of the arcuate ring block 1507 will contact the fixed rod 1508, which will cause the arcuate ring block 1507 to be squeezed, so that the arcuate ring block 1507 is away from the fixed block 903, driving the return spring 1506 to compress, so that the moving plate 1505 drives the rack 1501 to move, and the rack 1501 drives the gear 1503 to rotate. The outer wall of the rotating shaft 1502 is fixed with a swing block 1504, so that the rotating shaft 1 502 drives the swing block 1504 to rotate forward. When the arc ring block 1507 rotates to no longer contact the fixed rod 1508, since the reset spring 1506 is in a compressed state, the movable plate 1505 can drive the rack 1501 to reset, and the gear 1503 can drive the rotating shaft 1502 to reverse, so that the swing block 1504 can reverse. When the swing rod 904 swings, the swing block 1504 can swing on the swing plate 905, which further promotes the effect of disturbing the air, so that the purified air can quickly purify the bathroom.
[0036] Specifically, the shaking mechanism 16 includes a cam 1601, a connecting rod 1602, a transmission block 1603 and a connecting spring 1604. The cam 1601 is fixed to the outer wall of the swing rod 904. The connecting rod 1602 passes through the top of the body 2 and is slidably connected at the penetration point. The bottom of the connecting rod 1602 is fixedly connected to the top of the filter screen 7, and the connecting rod 1602 passes through the activated carbon screen 8, and the penetration point fits. When the swing rod 904 drives the cam 1601 to rotate, the end of the cam 1601 with a small radius will squeeze the transmission block 1603, so that the transmission block 1603 can move downward. The bottom of the transmission block 1603 is fixed with a connecting spring 1604, and the bottom of the connecting spring 1604 is fixed to the top of the body 2. When the transmission block 1603 moves downward, the connecting spring 1604 can be squeezed and compressed, and the transmission block 1603 moves downward. When the cam 1601 rotates, the connecting rod 1602 can drive the filter 7 to move downward. When the cam 1601 rotates to no longer contact the transmission block 1603, the connecting spring 1604 is in a compressed state, which will cause the transmission block 1603 to move upward, and the filter 7 is driven to move upward through the connecting rod 1602. Then, when the cam 1601 rotates, the filter 7 can be shaken up and down, and the filtered impurities attached to the bottom of the filter 7 can be shaken off, so as to prevent the bottom of the filter 7 from being adsorbed by too many impurities and affecting the subsequent filtering efficiency. A support rod 18 is fixed on the top of the air outlet pipe 17, and a semicircular cover 19 is fixed on the top of the support rod 18. By setting the semicircular cover 19, the impurities shaken off the filter 7 can be prevented from falling into the air outlet pipe 17. A sealing door is hinged on the front of the body 2, and the impurities dropped on the filter 7 can be cleaned by opening the sealing door.
[0037] Working principle: When the device needs to be used, it is moved to the toilet of the rail locomotive. When the air in the toilet needs to be purified, the staff can connect the device to an external power supply and start the fan 3, so that the suction hood 5 can absorb the gas in the toilet. The wind sucked by the fan 3 is discharged from the air outlet pipe 17, and the wind from the air outlet pipe 17 passes through the filter 7. The fine impurities in the air can be filtered through the filter 7. After the air is filtered through the filter 7, the air passes through the activated carbon net 8, and the bacteria and odor mixed in the air are adsorbed by the activated carbon net 8. The purified air is discharged through the exhaust pipe 6, and the air in the bathroom can be circulated and purified. When the air moves upward for discharge, the air will come into contact with the fragrance sheet 13, and the gas discharged from the exhaust pipe 6 will have a light fragrance, which can improve the smell of the bathroom and make the smell of the bathroom more comfortable for people. When the fragrance sheet 13 needs to be replaced, the handle 14 can be pulled to remove the placement plate 12 from the body 2, and then the fragrance sheet 13 can be removed from the body 2, so that the fragrance sheet 13 can be replaced conveniently.
[0038] When the motor 902 is started, the rotating rod 907 is driven to rotate, and the rotating block 908 can drive the squeezing rod 909 to perform a circular motion in the through hole of the connecting block 906, so that the squeezing rod 909 can squeeze the connecting block 906, and the squeezing rod 909 can squeeze the connecting block 906 to swing, and the swing rod 904 swings and rotates, so that the swing rod 904 drives the swing plate 905 to swing, which can disturb the air discharged from the exhaust pipe 6, so that the air passing through the fragrance sheet 13 can be diffused over a wider range, and the air in the bathroom can be quickly purified.
[0039] When the swing rod 904 drives the movable plate 1505 to rotate, the inclined surface of the arc-shaped ring block 1507 will contact the fixed rod 1508, which will put pressure on the arc-shaped ring block 1507, causing the arc-shaped ring block 1507 to move away from the fixed block 903, driving the reset spring 1506 to compress, so that the movable plate 1505 drives the rack 1501 to move, and the rack 1501 drives the gear 1503 to rotate, so that the rotating shaft 1502 drives the swing block 1504 to rotate forward. When the arc-shaped ring block 1507 rotates to no longer contact the fixed rod 1508, because the reset spring 1506 is in a compressed state, the movable plate 1505 can drive the rack 1501 to reset, and the gear 1503 drives the rotating shaft 1502 to reverse, and the swing block 1504 to reverse. When the swing rod 904 swings, the swing block 1504 can swing on the swing plate 905, further promoting the effect of disturbing the air.
[0040] When the swing rod 904 drives the cam 1601 to rotate, the end of the cam 1601 with a small radius will squeeze the transmission block 1603, so that the transmission block 1603 can move downward. When the transmission block 1603 moves downward, the connecting spring 1604 can be squeezed and compressed, and the transmission block 1603 moves downward, so that the connecting rod 1602 can drive the filter screen 7 to move downward. When the cam 1601 rotates to no longer contact the transmission block 1603, the connecting spring 1604 is in a compressed state, which will cause the transmission block 1603 to move upward, and the filter screen 7 is driven to move upward through the connecting rod 1602. Then, when the cam 1601 rotates, the filter screen 7 can be shaken up and down, and the filtered impurities attached to the bottom of the filter screen 7 can be shaken off. By opening the sealing door on the front of the body 2, the impurities dropped from the filter screen 7 can be cleaned.
[0041] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A rail locomotive toilet air circulation system, comprising a base (1), characterized in that: A body (2) is fixed on the top of the base (1), a fan (3) is fixed on the inner wall of the body (2), a connecting pipe (4) is fixed on the left side of the fan (3), the connecting pipe (4) passes through the left side of the body (2) and is fixedly connected at the penetration point, an air suction cover (5) is fixed on the left side of the connecting pipe (4), an air outlet pipe (17) is fixed on the top of the fan (3), a filter screen (7) is slidably mounted on the inner wall of the body (2), an activated carbon screen (8) is fixed on the inner wall of the body (2), a guide plate (10) is fixed on the inner wall of the body (2), an exhaust pipe (6) is fixed on the top of the body (2), a swing mechanism (9) for disturbing air is provided on the top of the body (2), an auxiliary mechanism (15) for accelerating air diffusion is provided on the swing mechanism (9), and a shaking mechanism (16) for driving the filter screen (7) to shake is provided on the body (2); The swing mechanism (9) comprises a support plate (901), the support plate (901) is fixed on the left side of the machine body (2), a motor (902) is fixed on the top of the support plate (901), a rotating rod (907) is fixed on the output end of the motor (902), a rotating block (908) is fixed at the end point of the rotating rod (907), and a squeezing rod (909) is fixed on the side of the rotating block (908) away from the rotating rod (907); A fixing block (903) is fixed on the top of the machine body (2); a swing rod (904) is rotatably mounted on the side wall of the fixing block (903); a swing plate (905) is fixed on the outer wall of the swing rod (904); a connecting block (906) is fixed on one end of the swing rod (904) away from the swing plate (905); a through hole is provided at the bottom of the connecting block (906); and the extrusion rod (909) passes through the through hole; The auxiliary mechanism (15) comprises a rack (1501), the rack (1501) is slidably mounted on the inner wall of the swing plate (905), a rotating shaft (1502) passes through the swing plate (905), and the rotating shaft (1502) is rotatably connected to the penetration point of the swing plate (905), a gear (1503) is fixed to the outer wall of the rotating shaft (1502), the outer wall of the gear (1503) and the top of the rack (1501) are in mutual meshing shape, and a swing block (1504) is fixed to the outer wall of the rotating shaft (1502); A moving disk (1505) is slidably mounted on the outer wall of the swing rod (904), a return spring (1506) is fixed to the side wall of the moving disk (1505), a side of the return spring (1506) away from the moving disk (1505) is fixed to the inner wall of the swing rod (904), a side wall of the rack (1501) is fixedly connected to the side wall of the moving disk (1505), an arc-shaped ring block (1507) is fixed to the side of the moving disk (1505) away from the rack (1501), and a fixing rod (1508) is fixed to the side wall of the fixing block (903); A support block (11) is fixed to the inner wall of the machine body (2), a placement plate (12) is slidably mounted on the side wall of the support block (11), and a fragrance sheet (13) is placed on the inner side of the placement plate (12).
2. A rail locomotive toilet air circulation system according to claim 1, characterized in that: The support blocks (11) are provided in two groups, and the two groups of support blocks (11) are symmetrically arranged with the center line of the filter screen (7) in the vertical direction as the symmetry axis; the placement plate (12) penetrates the side wall of the machine body (2); and a handle (14) is fixed to the side wall of the placement plate (12).
3. A rail locomotive toilet air circulation system according to claim 1, characterized in that: The shaking mechanism (16) comprises a cam (1601), a connecting rod (1602), and a transmission block (1603); the cam (1601) is fixed to the outer wall of the swing rod (904); the top of the body (2) is penetrated by a connecting rod (1602), and the connecting rod (1602) is slidably connected to the penetration point of the body (2); the bottom of the connecting rod (1602) is fixedly connected to the top of the filter screen (7); the connecting rod (1602) penetrates the activated carbon screen (8), and the penetration point is in close contact with each other.
4. A rail locomotive toilet air circulation system according to claim 3, characterized in that: A connecting spring (1604) is fixed to the bottom of the transmission block (1603), and the bottom of the connecting spring (1604) is fixed to the top of the machine body (2). A supporting rod (18) is fixed to the top of the air outlet pipe (17), and a semicircular cover (19) is fixed to the top of the supporting rod (18). When the swing rod (904) drives the cam (1601) to rotate, the end of the cam (1601) with a smaller radius will squeeze the transmission block (1603).
5. A rail locomotive toilet air circulation system according to claim 4, characterized in that: Six swing blocks (1504) are arranged on the swing plate (905), two groups of swing blocks (1504) form one group, and three groups of swing blocks (1504) are arranged in a linear array on the swing plate (905).