Intelligent induction lifting armrest device

Abstract

The utility model provides an intelligent sensing lifting handrail device, belongs to the technical field of lifting handrails, and aims to solve the problem that too high or too short passengers are inconvenient to grasp handrails. Comprising transverse columns and identification belts. A connecting assembly is fixedly arranged on the outer side of the transverse column, and a measuring structure is fixedly arranged at the bottom of the connecting assembly; an adjusting device is fixedly arranged at the bottom of the measuring structure, and a handrail assembly is rotationally arranged at the bottom of the adjusting device; by arranging a bevel gear A and two bevel gears B, a double-thread screw can drive two threaded rods to rotate at the same time, four sliding bases contract inwards or expand outwards at the same time, an adjusting rod A and an adjusting rod B rotate in the opposite directions at the same time, and therefore the vertical height of the handrail assembly can be adjusted; meanwhile, the ultrasonic distance measuring sensor is used for measuring the height of the passenger; furthermore, the height of the armrest structure can be automatically adjusted according to the specific height of a passenger.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting handrails, and more specifically, particularly relates to an intelligent induction lifting handrail device. Background Art

[0002] The handrails inside buses, subways and smart rail trains are for passengers to hold on to. They are devices designed to prevent passengers from falling and ensure their safety.

[0003] Existing handrails are usually fixed at a specified height, which makes it inconvenient to adjust the vertical height according to the height of the passengers; this makes it inconvenient for passengers who are too tall or too short to grasp the handrails, thereby reducing the adaptability of the handrails; and existing handrails are usually fixed at specified positions with bolts, which makes it inconvenient to replace the handrails when they are damaged, thereby reducing the practicality of the handrails. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an intelligent induction lifting armrest device to solve the problems raised in the above background technology that it is inconvenient for passengers who are too tall or too short to grasp the armrest; and it is inconvenient to replace the armrest when it is damaged.

[0005] The utility model is an intelligent induction lifting handrail device, which is achieved by the following specific technical means:

[0006] An intelligent induction lifting handrail device comprises a horizontal column and an identification belt; two sets of mounting frames are symmetrically fixedly arranged on the outer side of the horizontal column, and mounting holes are provided on the top of the mounting frames in a through-type manner; connecting holes are provided inside the top side and the bottom side of the horizontal column, and the connecting holes are arranged in a straight line;

[0007] The identification belt is arranged below the side of the horizontal column, and the identification belt is fixedly arranged on the surface of the vehicle body floor; the identification standing area is attached and fixed to the top of the identification belt, and the identification standing area is arranged in a straight line;

[0008] A connection component is fixedly arranged on the outer side of the horizontal column, and a measuring structure is fixedly arranged on the bottom of the connection component; an adjustment device is fixedly arranged on the bottom of the measuring structure, and an armrest component is rotatably arranged on the bottom of the adjustment device.

[0009] In at least some embodiments, the connecting assembly includes: a lower clamping plate, a threaded barrel, a threaded column and an upper clamping plate; the lower clamping plate is movably arranged on the outer side of the bottom of the horizontal column; the threaded barrel is rotatably arranged inside one side of the lower clamping plate, and a knob is fixedly arranged on the outer side of the bottom end of the threaded barrel; the threaded column is arranged inside the threaded barrel through a threaded connection; the upper clamping plate is fixedly arranged on the top of the threaded column, and a horizontal column is clamped between the upper clamping plate and the lower clamping plate.

[0010] In at least some embodiments, the connecting assembly also includes: a guide cylinder, a guide rod and a connecting column; the guide cylinder is fixedly arranged inside the lower clamp; the guide rod is slidably arranged inside the guide cylinder, and the guide rod and the upper clamp are arranged to be fixedly connected; the connecting column is fixedly arranged on the inner side of the upper clamp and the lower clamp, and the connecting column is slidably arranged inside the connecting hole.

[0011] In at least some embodiments, the measuring structure includes: a vertical column, a control module, a horizontal plate and an ultrasonic ranging sensor; the vertical column is fixedly arranged at the bottom of the lower clamping plate; the control module is fixedly arranged inside the vertical column; the horizontal plate is fixedly arranged outside the vertical column; the ultrasonic ranging sensor is fixedly arranged at the bottom of the horizontal plate, and the ultrasonic ranging sensor and the control module are electrically connected, and the ultrasonic ranging sensor is located directly above the identification tape.

[0012] In at least some embodiments, the adjusting device includes: a vertical cylinder, a fixed frame, a fixed box, a driving motor, a fixed box, a double-headed screw, a threaded rod, a bevel gear A and a bevel gear B; the vertical cylinder is fixedly arranged at the bottom of the vertical column; the cross-shaped fixed frame is fixedly arranged at the inner top of the vertical cylinder; the fixed box is fixedly arranged at the top of one side of the vertical cylinder, and the fixed box is communicated with the inside of the vertical cylinder; the driving motor is fixedly arranged inside the fixed box, and the driving motor and the control module are electrically connected; the fixed box is fixedly arranged at the bottom of the fixed frame; the double-headed screw is rotatably arranged between the fixed frame and the inside of the fixed box, and the double-headed screw and the shaft end of the driving motor are arranged to be fixedly connected; the threaded rod is rotatably arranged between the fixed frame and the inside of the fixed box, and the number of threaded rods is set to two groups; the bevel gear A is fixedly arranged on the outside of the double-headed screw; the number of bevel gears B is set to two groups, and the two groups of bevel gears B are respectively fixedly arranged at the tops of the two groups of threaded rods, and the two groups of bevel gears B are meshed with the bevel gear A.

[0013] In at least some embodiments, the adjustment device also includes: a guide column, a sliding seat, a sliding ring, an adjustment rod A, an adjustment rod B, a connecting plate and a connecting seat; the guide column is fixedly arranged at the bottom of the fixed box; the sliding seat is arranged in four groups in a circular array, and the four groups of sliding seats are respectively arranged on the outside of the double-headed screw and the two groups of threaded rods through threaded connections; the sliding ring is movably arranged on the outside of the guide column, and the sliding ring is arranged in a linear arrangement, and the topmost sliding ring and the guide column are arranged to be fixedly connected; one end of the adjusting rod A is rotatably arranged on the outside of the bottom of the sliding seat, and the other end of the adjusting rod A is rotatably arranged on the outside of the sliding ring; the adjusting rod B is rotatably arranged on the outside of the sliding ring, and the adjusting rod B and the adjusting rod A are arranged to be cross-rotatingly connected; the connecting plate is fixedly arranged at the bottom of the bottom sliding ring; the connecting seat is slidably arranged on the top of the connecting plate through a dovetail groove, and the connecting seat and the adjusting rod B are arranged to be rotatably connected.

[0014] In at least some embodiments, the armrest assembly includes: a connecting block, an armrest frame, a cross bar, a latex tube, an armrest groove and a pressure sensor; the connecting block is rotatably arranged inside the bottom side of the connecting plate; the armrest frame is fixedly arranged at the bottom of the connecting block; the cross bar is fixedly arranged on the inner side of the bottom of the armrest frame; the latex tube is fixedly arranged on the outer side of the cross bar; the armrest groove is opened on the inner side of the latex tube, and four groups of armrest grooves are arranged; the pressure sensor is fixedly arranged between the inner side of the latex tube and the cross bar, and the pressure sensor and the control module are arranged to be electrically connected.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. In the utility model, by providing a bevel gear A and two sets of bevel gears B, the double-headed screw can drive the two sets of threaded rods to rotate simultaneously, so that the four sets of sliding seats can shrink inward or expand outward at the same time, so that the adjusting rod A and the adjusting rod B can rotate in opposite directions at the same time, so that the armrest assembly can be adjusted in height up and down; at the same time, the ultrasonic ranging sensor can be used to measure the height of the passenger; and the height of the armrest structure can be automatically adjusted according to the specific height of the passenger; it is beneficial to prevent the phenomenon that passengers who are too tall or too short are inconvenient to grasp the armrest; it is convenient for passengers who are too tall, too short or of average height to enhance the comfort and safety of the riding experience when using the vehicle armrest; and the adaptability of the armrest is enhanced.

[0017] 2. In the utility model, by providing a threaded tube and a threaded column, the distance between the upper clamping plate and the lower clamping plate can be quickly adjusted; it is beneficial for the upper clamping plate and the lower clamping plate to clamp the horizontal column; at the same time, the connection hole and the connection column can be used to prevent the upper clamping plate and the lower clamping plate from rotating outside the horizontal column; it is beneficial to enhance the clamping stability of the upper clamping plate and the lower clamping plate; and therefore, when the handrail is damaged, it can be quickly disassembled and replaced; the practicality of the handrail is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a structural schematic diagram of the horizontal column of the utility model.

[0020] Figure 3 It is a structural schematic diagram of the connection component of the utility model.

[0021] Figure 4 It is a schematic cross-sectional structural diagram of a vertical tube and a vertical column of the utility model.

[0022] Figure 5 It is a structural schematic diagram of the regulating device of the utility model.

[0023] Figure 6It is a schematic diagram of the internal structure of the fixed box of the utility model.

[0024] Figure 7 It is a schematic cross-sectional structural diagram of the latex tube of the utility model.

[0025] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0026] 1. Horizontal column; 101. Mounting frame; 102. Connection hole;

[0027] 2. Identification belt; 201. Identification standing area;

[0028] 3. Connecting assembly; 301. Lower clamping plate; 302. Threaded cylinder; 303. Threaded column; 304. Upper clamping plate; 305. Guide cylinder; 306. Guide rod; 307. Connecting column;

[0029] 4. Measurement structure; 401. Vertical column; 402. Control module; 403. Horizontal plate; 404. Ultrasonic distance sensor;

[0030] 5. Adjustment device; 501. Vertical cylinder; 502. Fixed frame; 503. Fixed box; 504. Driving motor; 505. Fixed box; 506. Double-headed screw; 507. Threaded rod; 508. Bevel gear A; 509. Bevel gear B; 5010. Guide column; 5011. Sliding seat; 5012. Sliding ring; 5013. Adjustment rod A; 5014. Adjustment rod B; 5015. Connecting plate; 5016. Connecting seat;

[0031] 6. Handrail assembly; 601. Connecting block; 602. Handrail frame; 603. Crossbar; 604. Latex tube; 605. Handrail groove; 606. Pressure sensor. DETAILED DESCRIPTION

[0032] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0033] Embodiment 1:

[0034] As attached Figure 1 To Attachment Figure 7 As shown:

[0035] The utility model provides an intelligent induction lifting handrail device, comprising a horizontal column 1 and an identification belt 2; two sets of mounting frames 101 are symmetrically fixedly arranged on the outer side of the horizontal column 1, and the top of the mounting frame 101 is provided with a mounting hole in a through-type manner; connecting holes 102 are provided inside the top side and the bottom side of the horizontal column 1, and the connecting holes 102 are arranged in a straight line;

[0036] In the disclosed embodiment, the identification tape 2 is arranged below the side of the horizontal column 1, and the identification tape 2 is fixedly arranged on the surface of the vehicle floor; the identification standing area 201 is pasted and fixed on the top of the identification tape 2, and the identification standing area 201 is arranged in a straight line; a connecting component 3 is fixedly arranged on the outer side of the horizontal column 1, and a measuring structure 4 is fixedly arranged on the bottom of the connecting component 3; an adjusting device 5 is fixedly arranged on the bottom of the measuring structure 4, and an armrest component 6 is rotatably arranged on the bottom of the adjusting device 5; the connecting component 3 includes: a lower clamping plate 301, a threaded cylinder 302, a threaded column 303, an upper clamping plate 304, a guide cylinder 305, a guide rod 306 and a connecting column 307; the lower clamping plate 301 is movably arranged on the outer side of the bottom of the horizontal column 1; the threaded cylinder 302 is rotatably arranged inside one side of the lower clamping plate 301, and a knob is fixedly arranged on the outer side of the bottom end of the threaded cylinder 302; the threaded column 303 is arranged on the threaded cylinder through a threaded connection The top of the upper clamping plate 304 is fixedly arranged on the top of the threaded column 303, and the cross column 1 is clamped between the upper clamping plate 304 and the lower clamping plate 301; the guide cylinder 305 is fixedly arranged on the inside of the lower clamping plate 301; the guide rod 306 is slidably arranged on the inside of the guide cylinder 305, and the guide rod 306 and the upper clamping plate 304 are arranged to be fixedly connected; the connecting column 307 is fixedly arranged on the inner side of the upper clamping plate 304 and the lower clamping plate 301, and the connecting column 307 is slidably arranged on the inside of the connecting hole 102; its specific function is: by providing the threaded cylinder 302 and the threaded column 303, the distance between the upper clamping plate 304 and the lower clamping plate 301 can be quickly adjusted; it is beneficial for the upper clamping plate 304 and the lower clamping plate 301 to clamp the cross column 1; at the same time, the connecting hole 102 and the connecting column 307 can be used to prevent the upper clamping plate 304 and the lower clamping plate 301 from rotating on the outside of the cross column 1.

[0037] Embodiment 2:

[0038] As attached Figure 3 To Attachment Figure 6As shown: Based on the first embodiment, the measuring structure 4 includes: a vertical column 401, a control module 402, a horizontal plate 403 and an ultrasonic distance sensor 404; the vertical column 401 is fixedly arranged at the bottom of the lower clamping plate 301; the control module 402 is fixedly arranged inside the vertical column 401; the horizontal plate 403 is fixedly arranged outside the vertical column 401; the ultrasonic distance sensor 404 is fixedly arranged at the bottom of the horizontal plate 403, and the ultrasonic distance sensor 404 and the control module 402 are set to be electrically connected, and the ultrasonic distance sensor 404 is located directly above the marking belt 2; the adjusting device 5 includes: a vertical cylinder 501, a fixing frame 502, a fixing box 503, a driving motor 504, a fixing box 505, a double-headed screw 506, a threaded rod 507, a bevel gear A 508, bevel gear B509, guide column 5010, sliding seat 5011, sliding ring 5012, adjustment rod A5013, adjustment rod B5014, connecting plate 5015 and connecting seat 5016; vertical cylinder 501 is fixedly arranged at the bottom of vertical column 401; cross-shaped fixing frame 502 is fixedly arranged at the inner top of vertical cylinder 501; fixing box 503 is fixedly arranged at the top of one side of vertical cylinder 501, and fixing box 503 is communicated with the inside of vertical cylinder 501; driving motor 504 is fixedly arranged inside fixing box 503, and driving motor 504 is electrically connected with control module 402; fixing box 505 is fixedly arranged at the bottom of fixing frame 502; double-headed screw 506 is rotatably arranged between fixing frame 502 and the inside of fixing box 505, and The double-headed screw 506 is fixedly connected to the shaft end of the driving motor 504; the threaded rod 507 is rotatably arranged between the fixed frame 502 and the inside of the fixed box 505, and the number of the threaded rods 507 is set to two groups; the bevel gear A508 is fixedly arranged on the outside of the double-headed screw 506; the number of the bevel gear B509 is set to two groups, and the two groups of bevel gears B509 are respectively fixedly arranged on the top of the two groups of threaded rods 507, and the two groups of bevel gears B509 are meshed with the bevel gear A508; the guide column 5010 is fixedly arranged at the bottom of the fixed box 505; the sliding seat 5011 is arranged in four groups in a circular array, and the four groups of sliding seats 5011 are respectively arranged on the double-headed screw 506 and the outside of the two groups of threaded rods 507 through threaded connection; the sliding ring 50 12 is movably arranged on the outside of the guide column 5010, and the sliding ring 5012 is arranged in a straight line, and the top sliding ring 5012 and the guide column 5010 are arranged to be fixedly connected; one end of the adjusting rod A5013 is rotatably arranged on the outside of the bottom of the sliding seat 5011, and the other end of the adjusting rod A5013 is rotatably arranged on the outside of the sliding ring 5012; the adjusting rod B5014 is rotatably arranged on the outside of the sliding ring 5012, and the adjusting rod B5014 and the adjusting rod A5013 are arranged to be cross-rotatably connected; the connecting plate 5015 is fixedly arranged at the bottom of the bottom sliding ring 5012; the connecting seat 5016 is slidably arranged on the top of the connecting plate 5015 through a dovetail groove, and the connecting seat 5016 and the adjusting rod B5014 are arranged to be rotatably connected;Its specific functions are: by providing the bevel gear A508 and two sets of bevel gears B509 and the double-headed screw 506 and two sets of threaded rods 507; the four sets of sliding seats 5011 can be simultaneously contracted inward or expanded outward, so that the adjustment rod A5013 and the adjustment rod B5014 rotate in opposite directions at the same time, thereby enabling the handrail assembly 6 to be adjusted up and down in height; at the same time, the ultrasonic distance sensor 404 can be used to measure the height of the passenger. ;

[0039] Embodiment three:

[0040] As attached Figure 3 With attached Figure 7 As shown: On the basis of Example 1 and Example 2, the armrest assembly 6 includes: a connecting block 601, an armrest frame 602, a cross bar 603, a latex tube 604, an armrest groove 605 and a pressure sensor 606; the connecting block 601 is rotatably arranged inside the bottom side of the connecting disk 5015; the armrest frame 602 is fixedly arranged at the bottom of the connecting block 601; the cross bar 603 is fixedly arranged on the inner side of the bottom of the armrest frame 602; the latex tube 604 is fixedly arranged on the outer side of the cross bar 603; the armrest groove 605 is opened on the inner side of the latex tube 604, and four groups of armrest grooves 605 are arranged; the pressure sensor 606 is fixedly arranged between the inner side of the latex tube 604 and the cross bar 603, and the pressure sensor 606 and the control module 402 are arranged to be electrically connected; its specific function is: by arranging four groups of armrest grooves 605 and latex tubes 604, the passenger's grip can be enhanced, which is beneficial to ensure the stability between the passenger's hand and the armrest.

[0041] The specific usage and function of this embodiment are as follows:

[0042] In the utility model, when in use, the horizontal column 1 is fixed to the designated position inside the bus, subway and smart rail train through the mounting frame 101, and then the identification tape 2 is pasted on the surface of the floor of the bus, subway and smart rail train; the upper clamping plate 304 and the lower clamping plate 301 are placed on the outside of the horizontal column 1; then the threaded cylinder 302 is rotated, and the threaded cylinder 302 drives the upper clamping plate 304 to move downward through the threaded column 303 and the guide rod 306, so that the connecting column 307 slides into the connecting hole 102, and at the same time, the upper clamping plate 304 and the lower clamping plate 301 are fixed to the outside of the horizontal column 1; the vertical column 401 is fixed to the designated position; the ultrasonic ranging sensor 404 is located directly above the marked standing area 201; when the passenger stands on the marked standing area 201, the ultrasonic ranging sensor 404 measures the height of the passenger, and the ultrasonic ranging sensor 404 transmits the height signal to the control module 402, and the control module 402 controls the drive The motor 504 works, and the driving motor 504 drives the double-headed screw 506 to rotate. The double-headed screw 506 drives the two sets of threaded rods 507 to rotate simultaneously through the bevel gear A508 and the bevel gear B509, so that the four sets of sliding seats 5011 shrink inward or expand outward at the same time, so that the adjusting rod A5013 and the adjusting rod B5014 rotate in opposite directions at the same time, thereby making the connecting plate 5015 move up and down, and the latex tube 604 move up and down. When the passenger grasps the latex tube 604, the pressure value of the pressure sensor 606 increases, and the pressure sensor 606 transmits the pressure signal to the control module 402. The control module 402 controls the driving motor 504 to stop working, so that the latex tube 604 and the handrail frame 602 and the cross bar 603 are fixed at the specified height; thereby, the handrail can be automatically adjusted to the appropriate height according to the height of the passenger; the four sets of handrail grooves 605 can enhance the passenger's grip.

Claims

1. An intelligent induction lifting armrest device, characterized in that: include: Horizontal column and identification tape; two sets of mounting frames are symmetrically fixed on the outside of the horizontal column, and mounting holes are opened on the top of the mounting frame in a through-type manner; connecting holes are opened inside the top and bottom sides of the horizontal column, and the connecting holes are arranged in a straight line; The identification belt is arranged below the side of the horizontal column, and the identification belt is fixedly arranged on the surface of the vehicle body floor; the identification standing area is attached and fixed to the top of the identification belt, and the identification standing area is arranged in a straight line; A connection component is fixedly arranged on the outer side of the horizontal column, and a measuring structure is fixedly arranged on the bottom of the connection component; an adjustment device is fixedly arranged on the bottom of the measuring structure, and an armrest component is rotatably arranged on the bottom of the adjustment device.

2. The intelligent induction lifting handrail device according to claim 1, characterized in that: The connection assembly includes: a lower clamping plate, a threaded barrel, a threaded column and an upper clamping plate; the lower clamping plate is movably arranged on the outer side of the bottom of the horizontal column; the threaded barrel is rotatably arranged inside one side of the lower clamping plate, and a knob is fixedly arranged on the outer side of the bottom end of the threaded barrel; the threaded column is arranged inside the threaded barrel through a threaded connection; the upper clamping plate is fixedly arranged on the top of the threaded column, and a horizontal column is clamped between the upper clamping plate and the lower clamping plate.

3. The intelligent induction lifting handrail device according to claim 2 is characterized in that: The connection assembly also includes: a guide cylinder, a guide rod and a connection column; the guide cylinder is fixedly arranged inside the lower clamping plate; the guide rod is slidably arranged inside the guide cylinder, and the guide rod and the upper clamping plate are arranged to be fixedly connected; the connection column is fixedly arranged on the inner sides of the upper clamping plate and the lower clamping plate, and the connection column is slidably arranged inside the connection hole.

4. The intelligent induction lifting handrail device according to claim 2, characterized in that: The measuring structure includes: a vertical column, a control module, a horizontal plate and an ultrasonic ranging sensor; the vertical column is fixedly arranged at the bottom of the lower clamping plate; the control module is fixedly arranged inside the vertical column; the horizontal plate is fixedly arranged outside the vertical column; the ultrasonic ranging sensor is fixedly arranged at the bottom of the horizontal plate, and the ultrasonic ranging sensor and the control module are arranged to be electrically connected, and the ultrasonic ranging sensor is located directly above the identification belt.

5. The intelligent induction lifting handrail device according to claim 4, characterized in that: The adjusting device includes: a vertical cylinder, a fixing frame, a fixing box, a driving motor, a fixing box, a double-headed screw, a threaded rod, a bevel gear A and a bevel gear B; the vertical cylinder is fixedly arranged at the bottom of the vertical column; the cross-shaped fixing frame is fixedly arranged at the inner top of the vertical cylinder; the fixing box is fixedly arranged at the top of one side of the vertical cylinder, and the fixing box is communicated with the inside of the vertical cylinder; the driving motor is fixedly arranged inside the fixing box, and the driving motor and the control module are electrically connected; the fixing box is fixedly arranged at the bottom of the fixing frame; the double-headed screw is rotatably arranged between the fixing frame and the inside of the fixing box, and the double-headed screw and the shaft end of the driving motor are fixedly connected; the threaded rod is rotatably arranged between the fixing frame and the inside of the fixing box, and the number of threaded rods is set to two groups; the bevel gear A is fixedly arranged on the outside of the double-headed screw; the number of bevel gears B is set to two groups, and the two groups of bevel gears B are respectively fixedly arranged at the top ends of the two groups of threaded rods, and the two groups of bevel gears B are meshed with the bevel gear A.

6. The intelligent induction lifting handrail device according to claim 5, characterized in that: The adjustment device also includes: a guide column, a sliding seat, a sliding ring, an adjustment rod A, an adjustment rod B, a connecting plate and a connecting seat; the guide column is fixedly arranged at the bottom of the fixed box; the sliding seat is arranged in four groups in a circular array, and the four groups of sliding seats are respectively arranged on the outside of the double-headed screw and the two groups of threaded rods through threaded connections; the sliding ring is movably arranged on the outside of the guide column, and the sliding ring is arranged in a linear arrangement, and the topmost sliding ring and the guide column are arranged to be fixedly connected; one end of the adjusting rod A is rotatably arranged on the outside of the bottom of the sliding seat, and the other end of the adjusting rod A is rotatably arranged on the outside of the sliding ring; the adjusting rod B is rotatably arranged on the outside of the sliding ring, and the adjusting rod B and the adjusting rod A are arranged to be cross-rotatingly connected; the connecting plate is fixedly arranged at the bottom of the bottommost sliding ring; the connecting seat is slidably arranged on the top of the connecting plate through a dovetail groove, and the connecting seat and the adjusting rod B are arranged to be rotatably connected.

7. The intelligent induction lifting armrest device according to claim 6, characterized in that: The armrest assembly includes: a connecting block, an armrest frame, a cross bar, a latex tube, an armrest groove and a pressure sensor; the connecting block is rotatably arranged inside the bottom side of the connecting plate; the armrest frame is fixedly arranged at the bottom of the connecting block; the cross bar is fixedly arranged on the inner side of the bottom of the armrest frame; the latex tube is fixedly arranged on the outer side of the cross bar; the armrest groove is opened on the inner side of the latex tube, and four groups of armrest grooves are arranged; the pressure sensor is fixedly arranged between the inner side of the latex tube and the cross bar, and the pressure sensor and the control module are arranged to be electrically connected.

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