Circulating heating type lentinus edodes drying machine
By employing a circulating heating design and a rotating clamping mechanism, combined with sensors and an automatic control system, the problems of uneven heat circulation and low efficiency in existing shiitake mushroom dryers have been solved. This has enabled uniform drying of shiitake mushrooms and intelligent humidity management, thereby improving drying efficiency and quality.
Patent Information
- Application Number
- CN202411325829.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2044-09-23
AI Technical Summary
Existing mushroom dryers suffer from problems such as poor hot air circulation, uneven drying, lack of a rotating mechanism, long drying time, low efficiency, inability to adjust according to the quantity and size of mushrooms, and unintelligent dehumidification function.
It adopts a circulating heating design, combined with a rotating clamping mechanism and planetary gear frame. The rotating seat and drying tray are driven by a motor to rotate around the rotating axis. Combined with real-time monitoring and control by temperature and humidity sensors, the heater, fan and motor are automatically adjusted to realize hot air circulation and humidity management.
It improves the uniformity and speed of shiitake mushroom drying, ensures drying quality, shortens drying time, increases efficiency, adapts to different quantities and sizes of shiitake mushrooms, and intelligently regulates humidity to avoid excessive or insufficient dehumidification.
Smart Images

Figure CN119184318B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of shiitake mushroom processing, and particularly relates to a circulating heating type shiitake mushroom drying machine. BACKGROUND
[0002] As a common edible fungus, shiitake mushroom drying treatment is crucial for prolonging the storage time and improving the quality. In the prior art, there are some deficiencies in shiitake mushroom drying machines.
[0003] Traditional shiitake mushroom drying machines usually adopt simple heating methods such as electric heating or gas heating, and the circulating effect of hot air in the drying chamber is poor, which easily leads to uneven heating of shiitake mushrooms and affects the drying quality. The structural design of some drying machines is relatively simple, and effective rotating or overturning mechanisms are lacking, so that shiitake mushrooms are difficult to fully contact hot air during the drying process, resulting in a long drying time and low efficiency.
[0004] In addition, the existing shiitake mushroom drying machines are often fixed in design, and cannot be flexibly adjusted according to the number and size of shiitake mushrooms, and have poor adaptability. Moreover, some drying machines are not intelligent in terms of moisture removal function, and cannot accurately adjust according to the actual humidity in the drying chamber, which easily leads to excessive moisture removal or insufficient moisture removal, affecting the drying effect.
[0005] Therefore, we propose a circulating heating type shiitake mushroom drying machine to solve the above problems. SUMMARY
[0006] The present application relates to the technical field of shiitake mushroom processing, and particularly relates to a circulating heating type shiitake mushroom drying machine.
[0007] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:
[0008] A circulating heating type shiitake mushroom drying machine, comprising a machine body, symmetrical two sides of the machine body are respectively provided with oppositely opened door bodies, centrifugal fans and moisture removal fans are installed on the outer side walls of the machine body, and the air outlet pipes of the centrifugal fans extend into the machine body, and the air inlet pipes of the moisture removal fans extend into the machine body;
[0009] A heater is installed on the inner side wall of the machine body, and a fixed disc is fixedly connected to the end of the heater away from the inner wall of the machine body, a plurality of mounting seats are symmetrically installed on the fixed disc, a limiting disc is fixedly connected to each mounting seat, a rotating clamping mechanism is installed in the mounting seat, a rotating seat is installed on the rotating output end of the rotating clamping mechanism, and two drying discs are symmetrically and slidingly connected in the rotating seat.
[0010] The motor is installed on the outer wall of the body, and the output end of the motor extends into the body and is connected with the rotating clamping mechanism through a transmission mechanism.
[0011] In the above-mentioned circulating heating type shiitake mushroom drying machine, the body comprises an outer box body, a heat preservation layer and an inner container, temperature and humidity sensors are installed inside the body, a wind valve is installed on the exhaust fan, a controller is installed on the outer wall of the body, and the centrifugal fan, the exhaust fan, the temperature and humidity sensors, the wind valve and the motor are electrically connected with the controller.
[0012] In the above-mentioned circulating heating type shiitake mushroom drying machine, the rotating clamping mechanism comprises a rotating shaft, a transmission shaft and an input shaft, and the rotating shaft, the transmission shaft and the input shaft are located in the mounting seat, and the axes of the rotating shaft, the transmission shaft and the input shaft are parallel to each other, the rotating shaft penetrates through the limiting disc and is fixedly connected to the rotating seat, a first straight gear is installed on the input shaft through a one-way bearing, and a second straight gear is installed on the input shaft.
[0013] A rotating gear and a ring gear are installed on the rotating shaft, the rotating gear is fitted on the rotating shaft through a key, and the ring gear is sleeved on the rotating shaft, and the rotating gear is engaged with the first straight gear.
[0014] A driven gear and a worm are installed on the input shaft, a horizontal shaft is also installed in the mounting seat, and the axis of the horizontal shaft is perpendicular to the axis of the rotating shaft, a worm gear and a pushing gear are installed on the horizontal shaft, the worm gear is engaged with the worm, and the pushing gear is engaged with the ring gear.
[0015] A bidirectional threaded rod is horizontally installed in the rotating seat, the bidirectional threaded rod is installed with a pushing gear at the middle part, and the pushing gear is engaged with the ring gear, two limiting frames are symmetrically connected on the bidirectional threaded rod, and each drying disc is fixedly connected to the limiting frame corresponding in position.
[0016] In the above-mentioned circulating heating type shiitake mushroom drying machine, the output shaft of the motor extends into the body and is installed with a planetary gear carrier, each input shaft extends out of the mounting seat and is installed with a driving gear, and each driving gear is engaged with the planetary gear carrier.
[0017] In the above-mentioned circulating heating type shiitake mushroom drying machine, the planetary gear carrier comprises a planetary gear, the driving gear is engaged with the planetary gear, a plurality of extension frames are symmetrically installed on the end face of the planetary gear, a ring-shaped seat is fixedly connected to the plurality of extension frames, and the ring-shaped seat is installed on the output shaft of the motor.
[0018] In the above-mentioned circulating heating type shiitake mushroom drying machine, each drying disc comprises a drying frame, and a limiting frame is fixedly connected to the side wall of the drying frame, a placing net is installed in the drying frame, a sealing ring groove is formed in the upper end surface of the lower drying frame, and a sealing ring seat is fixedly connected to the lower end surface of the upper drying frame.
[0019] In the above-mentioned circulating heating type shiitake mushroom drying machine, a mounting cavity is formed in the rotating seat, and the bidirectional threaded rod and the pushed gear are located in the mounting cavity, a through hole is formed in the rotating seat and communicates with the mounting cavity, the rotating shaft is installed on the inner wall of the mounting cavity through the through hole, and the inner diameter of the through hole is greater than the outer diameter of the ring gear.
[0020] In the above-mentioned circulating heating type shiitake mushroom drying machine, two limiting grooves are symmetrically formed in the rotating seat, each limiting groove communicates with the mounting cavity, and each limiting frame is slidingly connected in the corresponding limiting groove.
[0021] Compared with the prior art, the present application has the following advantages:
[0022] 1. The motor drives the input shaft to rotate through the planetary gear carrier, and then the shiitake mushrooms on the rotating seat and the drying disc rotate around the rotating shaft axis, constantly adjusting the position, so that each part of the shiitake mushrooms can fully contact hot air, improving the drying speed and uniformity.
[0023] 2. The temperature sensor and the humidity sensor in the machine body can monitor the temperature and humidity in the drying chamber in real time, and feed the data back to the controller to realize accurate control of the drying process. The controller automatically controls the operation of the centrifugal fan, the dehumidification fan, the heater and the motor according to the data of the temperature and humidity sensors, so as to ensure that the temperature and humidity in the drying chamber are always within the appropriate range, and the drying quality of the shiitake mushrooms is guaranteed.
[0024] 3. The motor drives the planetary gear carrier to rotate, which drives the input shaft to rotate, and then adjusts the distance between the two limiting frames on the bidirectional threaded rod, i.e. adjusts the distance between the two drying discs, which is convenient for placing shiitake mushrooms.
[0025] In summary, in the present application, the shiitake mushrooms on the rotating seat and the drying disc rotate around the rotating shaft axis, constantly adjusting the position, so that each part of the shiitake mushrooms can fully contact hot air, improving the drying speed and uniformity, and guaranteeing the drying quality of the shiitake mushrooms. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 A structure diagram of a circulating heating type shiitake mushroom drying machine is provided in the present application;
[0027] Figure 2 A structure diagram of the machine body in a circulating heating type shiitake mushroom drying machine is provided in the present application;
[0028] Figure 3 For Figure 2 Another perspective view;
[0029] Figure 4 For Figure 3 Structure diagram of removing fixed disc;
[0030] Figure 5 For the invention of a circulating heating type shiitake mushroom dryer planetary gear carrier part structure enlargement map;
[0031] Figure 6 For the invention of a circulating heating type shiitake mushroom dryer drying disc part structure enlargement map;
[0032] Figure 7 For the invention of a circulating heating type shiitake mushroom dryer limiting frame part structure enlargement map;
[0033] Figure 8 For the invention of a circulating heating type shiitake mushroom dryer rotating gear part structure enlargement map;
[0034] Figure 9 For the invention of a circulating heating type shiitake mushroom dryer worm part structure enlargement map;
[0035] Figure 10 For the invention of a circulating heating type shiitake mushroom dryer rotating seat internal structure enlargement map.
[0036] In the figure: 1 machine body, 2 door body, 3 centrifugal fan, 4 exhaust fan, 5 planetary gear carrier, 501 planetary gear, 502 extension frame, 503 ring seat, 6 mounting seat, 7 heater, 8 drying disc, 801 placing net, 802 drying frame, 803 sealing ring seat, 804 sealing ring groove, 9 drive gear, 10 motor, 11 rotating seat, 12 limiting disc, 13 fixed disc, 14 input shaft, 15 limiting frame, 16 cross shaft, 17 push gear, 18 transmission shaft, 19 driven gear, 20 worm, 21 rotating shaft, 22 rotating gear, 23 second straight gear, 24 first straight gear, 25 worm, 26 double -screw rod, 27 installation cavity, 28 through hole, 29 limiting groove, 30 ring tooth, 31 pushed gear. DETAILED DESCRIPTION
[0037] The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.
[0038] Examples
[0039] Reference Figures 1-10The utility model relates to a kind of circulating heating type lentinus edodes drying machine, including body 1, the symmetric two sides of body 1 are respectively installed with opposite door body 2, both sides are provided with door body 2 and are opposite design to facilitate opening and closing, it is convenient to put and take out lentinus edodes, convenient to operate, when closing, it can be closely matched with body 1, guarantee that heat and moisture cannot be leaked in large quantities in drying process, centrifugal fan 3 and moisture exhaust fan 4 are installed on the outer side wall of body 1, and the air outlet pipe of centrifugal fan 3 extends to body 1, and the air inlet pipe of moisture exhaust fan 4 extends to body 1, body includes outer box, heat preservation layer and inner container, temperature sensor and humidity sensor are installed in body 1, air valve is installed on moisture exhaust fan 4, controller is installed on the outer side wall of body 1, and centrifugal fan 3, moisture exhaust fan, temperature sensor, humidity sensor, air valve and motor 10 are electrically connected with controller.
[0040] Heater 7 is installed on the inner side wall of body 1, the end away from the inner wall of body 1 of heater 7 is fixedly connected with fixed disc 13, a plurality of mounting seats 6 are symmetrically installed on fixed disc 13, limit disc 12 is fixedly connected on each mounting seat 6, rotating clamping mechanism is installed in mounting seat 6, rotating seat 11 is installed on the rotating output end of rotating clamping mechanism, two drying discs 8 are symmetrically installed on the clamping output end of rotating clamping mechanism, and the two drying discs 8 are symmetrically and slidably connected in rotating seat 11, each drying disc 8 includes drying frame 802, and limit frame 15 is fixedly connected on the side wall of drying frame 802, placing net 801 is installed in drying frame 802, sealing ring groove 804 is formed in the upper end surface of the lower drying frame 802, and sealing ring seat 803 is fixedly connected on the lower end surface of the upper drying frame 802.
[0041] Rotating clamping mechanism includes rotating shaft 21, transmission shaft 18 and input shaft 14, and rotating shaft 21, transmission shaft 18 and input shaft 14 are all located in mounting seat 6, and the axis of rotating shaft 21, transmission shaft 18 and input shaft 14 is parallel to each other, and rotating shaft 21 is fixedly connected on rotating seat 11 by penetrating limit disc 12, first straight gear 24 is installed on input shaft 14 by one-way bearing, and second straight gear 23 is installed on input shaft 14.
[0042] Rotating gear 22 and ring tooth 30 are installed on rotating shaft 21, and rotating gear 22 is fitted on rotating shaft 21 by key interference fit, and ring tooth 30 is sleeved on rotating shaft 21, and rotating gear 22 is engaged with first straight gear 24, rotating shaft 21 connects rotating seat 11 and input shaft 14, power of input shaft 14 is transmitted to rotating seat 11, so that lentinus edodes on rotating seat 11 is rotated, ensure that lentinus edodes can be fully contacted with hot air in each part, improve drying uniformity;
[0043] The input shaft 14 is provided with a driven gear 19 and a worm 25, and the mounting seat 6 is further provided with a horizontal shaft 16, the axis of which is perpendicular to the axis of the rotating shaft 21, and the horizontal shaft 16 is provided with a worm gear 20 and a push gear 17, the worm gear 20 is engaged with the worm 25, and the push gear 17 is engaged with the ring gear 30, the input shaft 14 is connected with the motor 10 to receive power from the motor 10 and transmit the power to the rotating shaft 21 and other transmission components to realize various actions of the rotating clamping mechanism.
[0044] The rotating seat 11 is horizontally provided with a bidirectional threaded rod 26, the middle part of the bidirectional threaded rod 26 is provided with a pushed gear 31 engaged with the ring gear 30, the bidirectional threaded rod 26 is symmetrically provided with two limiting frames 15 connected by threads, each drying disc 8 is fixedly connected to the corresponding limiting frame 15, the rotating seat 11 is internally provided with a mounting cavity 27, the bidirectional threaded rod 26 and the pushed gear 31 are located in the mounting cavity 27, the rotating seat 11 is provided with a through hole 28 in communication with the mounting cavity 27, the rotating shaft 21 passes through the through hole 28 and is mounted on the inner wall of the mounting cavity 27, the inner diameter of the through hole 28 is greater than the outer diameter of the ring gear 30, the rotating seat 11 is symmetrically provided with two limiting grooves 29 in communication with the mounting cavity 27, and each limiting frame 15 is slidingly connected in the corresponding limiting groove 29.
[0045] The motor 10 is mounted on the outer side wall of the machine body 1, the output end of the motor 10 extends into the machine body 1 and is connected with the rotating clamping mechanism through a transmission mechanism, the transmission mechanism comprises a planetary gear frame 5, the planetary gear frame 5 is located in the machine body 1 and is mounted on the output shaft of the motor 10, each input shaft 14 extends out of the mounting seat 6 and is provided with a drive gear 9, each drive gear 9 is engaged with the planetary gear frame 5, the planetary gear frame 5 comprises a planetary gear 501, the drive gear 9 is engaged with the planetary gear 501, the end surface of the planetary gear 501 is symmetrically provided with a plurality of extension frames 502, the plurality of extension frames 502 are fixedly connected with a ring-shaped seat 503, and the ring-shaped seat 503 is mounted on the output shaft of the motor 10.
[0046] After the power is turned on, the equipment is started through the controller on the outer side wall of the machine body 1. The controller is electrically connected with the centrifugal fan 3, the dehumidification fan 4, the temperature sensor, the humidity sensor, the air valve and the motor 10 to realize the control of the entire drying process. The machine body 1 is composed of an outer box body, a heat preservation layer and an inner container, which can effectively reduce heat loss. The temperature sensor and the humidity sensor inside the machine body 1 can monitor the temperature and humidity in the drying chamber in real time and feed back the data to the controller.
[0047] When drying, first open the door body 2 to expose the drying area inside the machine body 1, start the motor 10, the motor 10 drives the planetary gear frame 5 to rotate reversely, and then drives the driving gear 9 to drive the input shaft 14 to rotate counterclockwise, when the input shaft 14 rotates counterclockwise, the input shaft 14 drives the second spur gear 23 to rotate counterclockwise, the second spur gear 22 drives the driven gear 19 to rotate, and then the transmission shaft 18 drives the worm 25 to rotate, the worm 25 drives the cross shaft 16 to rotate through the worm gear 20, and then the gear 17 drives the ring tooth 30 to slide towards the rotating seat 11, the ring tooth 30 drives the driven gear 31 to rotate when sliding, and then the bidirectional screw rod 26 rotates reversely, so as to adjust the distance between the two limiting frames 15, that is, to adjust the distance between the two drying trays 8, so that the distance between the two drying trays 8 increases, and at the same time, the drying tray 8 is ensured to be in a horizontal state, which is convenient for placing shiitake mushrooms, and then the shiitake mushrooms are evenly placed on the lower drying tray 8 placing net 801, after the placing is completed, the motor 10 is started again, the motor 10 drives the planetary gear frame 5 to rotate forwardly, at this time, the driving gear 9 drives the input shaft 14 to rotate clockwise, and then drives the ring tooth 30 to slide away from the rotating seat 11, and then drives the bidirectional screw rod 26 to rotate forwardly, so as to adjust the distance between the two limiting frames 15, and shorten the distance between the two drying trays 8, the first spur gear 24 does not rotate with the single direction bearing and the rotating gear 22, so the drying tray 8 and the shiitake mushrooms do not rotate, the sealing ring seat 803 at the lower end surface of the upper drying tray 802 cooperates with the sealing ring groove 804 at the upper end surface of the lower drying tray 802, and the shiitake mushrooms are clamped between the two drying trays 8.
[0048] Then close the door body 2 to ensure that heat and moisture do not leak a lot during drying. The heater 7 is installed on the inner side wall of the machine body 1, and starts to heat the air after being started. The centrifugal fan 3 blows the heated hot air into the machine body 1 through the air outlet pipe, so that the hot air circulates in the drying chamber, ensuring that the shiitake mushrooms can be evenly heated.
[0049] When the motor 10 starts again, its output shaft drives the planetary gear frame 5 to rotate reversely, and then drives the driving gear 9 to drive the input shaft 14 to rotate counterclockwise, when the input shaft 14 rotates counterclockwise, the single direction bearing locks the first spur gear 24, the first spur gear 24 drives the rotating seat 11 to rotate through the rotating shaft 21, and then drives the shiitake mushrooms clamped between the two drying trays 8 to rotate around the axis of the rotating shaft 21, so that the shiitake mushrooms on the drying tray 8 are constantly adjusted in position while rotating, ensuring uniform heating. The heater 7 continues to heat, the centrifugal fan 3 keeps the hot air circulating, and the dehumidification fan 4 dehumidifies in time according to the humidity, until the shiitake mushrooms reach the required drying degree.
[0050] When the humidity in the drying chamber reaches a certain degree, the humidity sensor transmits a signal to the controller. The controller controls the exhaust fan 4 to start, and the humidity in the drying chamber is extracted through the air inlet pipe. The exhaust fan 4 is provided with an air valve, which can adjust the exhaust air volume according to the actual situation.
[0051] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change within the technical range disclosed by the present application according to the technical solution and the inventive concept of the present application, which should be covered within the protection scope of the present application.
Claims
1. A circulating heating type shiitake mushroom drying machine comprising a machine body (1), characterized in that: The machine body (1) is symmetrically provided with two opposite doors (2), centrifugal fans (3) and dehumidification fans (4) are installed on the outer wall of the machine body (1), the air outlet pipe of the centrifugal fan (3) extends into the machine body (1), and the air inlet pipe of the dehumidification fan (4) extends into the machine body (1); A heater (7) is installed on the inner wall of the machine body (1), a fixed disc (13) is fixedly connected to the end of the heater (7) away from the inner wall of the machine body (1), a plurality of mounting seats (6) are symmetrically installed on the fixed disc (13), a limiting disc (12) is fixedly connected to each mounting seat (6), a rotary clamping mechanism is installed in the mounting seat (6), a rotary seat (11) is installed on the rotary output end of the rotary clamping mechanism, and two drying discs (8) are symmetrically installed on the clamping output end of the rotary clamping mechanism and are symmetrically and slidably connected in the rotary seat (11); A motor (10) is installed on the outer wall of the machine body (1), the output end of the motor (10) extends into the machine body (1) and is connected with the rotary clamping mechanism through a transmission mechanism; The rotary clamping mechanism comprises a rotary shaft (21), a transmission shaft (18) and an input shaft (14), and the rotary shaft (21), the transmission shaft (18) and the input shaft (14) are all located in the mounting seat (6), the axes of the rotary shaft (21), the transmission shaft (18) and the input shaft (14) are parallel to each other, the rotary shaft (21) penetrates through the limiting disc (12) and is fixedly connected to the rotary seat (11), a first straight gear (24) is installed on the input shaft (14) through a one-way bearing, and a second straight gear (23) is installed on the input shaft (14); A rotary gear (22) and a ring gear (30) are installed on the rotary shaft (21), the rotary gear (22) is in key interference fit on the rotary shaft (21), and the ring gear (30) is sleeved on the rotary shaft (21), and the rotary gear (22) is engaged with the first straight gear (24); A driven gear (19) and a worm (25) are installed on the input shaft (14), a horizontal shaft (16) is also installed in the mounting seat (6), the axis of the horizontal shaft (16) is perpendicular to the axis of the rotary shaft (21), a worm wheel (20) and a driving gear (17) are installed on the horizontal shaft (16), the worm wheel (20) is engaged with the worm (25), and the driving gear (17) is engaged with the ring gear (30); A bidirectional threaded rod (26) is horizontally installed in the rotary seat (11), a driven gear (31) is installed on the middle portion of the bidirectional threaded rod (26), the driven gear (31) is engaged with the ring gear (30), and two limiting frames (15) are symmetrically and threadedly connected to the bidirectional threaded rod (26), and each drying disc (8) is fixedly connected to the limiting frame (15) corresponding in position. The transmission mechanism comprises a planetary gear carrier (5), the planetary gear carrier (5) is located in the machine body (1) and is mounted on the output shaft of the motor (10), each input shaft (14) extends out of the mounting base (6) and is provided with a driving gear (9), and each driving gear (9) is engaged with the planetary gear carrier (5). The planetary gear carrier (5) comprises planetary gears (501), the driving gears (9) are engaged with the planetary gears (501), the end surface of each planetary gear (501) is symmetrically provided with a plurality of extension frames (502), the plurality of extension frames (502) are fixedly connected with a ring-shaped seat (503) in common, and the ring-shaped seat (503) is mounted on the output shaft of the motor (10).
2. The circulating heating type shiitake mushroom drying machine according to claim 1, characterized in that: The machine body comprises an outer box body, a heat preservation layer and an inner container, the machine body (1) is internally provided with temperature sensors and humidity sensors, the dehumidifying fan (4) is provided with a wind valve, the outer side wall of the machine body (1) is provided with a controller, and the centrifugal fan (3), the dehumidifying fan, the temperature sensors, the humidity sensors, the wind valve and the motor (10) are electrically connected with the controller.
3. The circulating heating type shiitake mushroom drying machine according to claim 1, characterized in that: Each drying disc (8) comprises a drying frame (802), and a limiting frame (15) is fixedly connected to the side wall of the drying frame (802); a placing net (801) is mounted in the drying frame (802); a sealing ring groove (804) is formed in the upper end surface of the lower drying frame (802); and a sealing ring seat (803) is fixedly connected to the lower end surface of the upper drying frame (802).
4. The circulating heating type shiitake mushroom drying machine according to claim 1, characterized in that: The rotating seat (11) is internally provided with a mounting cavity (27), and the bidirectional threaded rod (26) and the pushed gear (31) are located in the mounting cavity (27); the rotating seat (11) is provided with a through hole (28) that communicates with the mounting cavity (27); the rotating shaft (21) passes through the through hole (28) and is mounted on the inner wall of the mounting cavity (27); and the inner diameter of the through hole (28) is greater than the outer diameter of the ring teeth (30).
5. The circulating heating type shiitake mushroom drying machine according to claim 4, characterized in that: The rotating seat (11) is symmetrically provided with two limiting grooves (29) that communicate with the mounting cavity (27); and each limiting groove (29) is slidably connected with the corresponding limiting frame (15).
Citation Information
Patent Citations
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CN116235966A
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