A seat for rehabilitation training

Abstract

The utility model discloses a seat for rehabilitation training relates to the field of rehabilitation medical technology, it includes: seat body, bottom mounting plate subassembly, height adjusting device, footrest locking and unlocking transmission subassembly, it includes footboard welding subassembly, transmission input shaft, linkage plate welding subassembly and trundle axle, the four corners of linkage plate welding subassembly respectively with one end articulation of four connecting rod board, four connecting rod board other end respectively with four trundle axle one end connection, and the other end of trundle axle passes through the control groove of trundle installation pipe one side insertion in the control trundle, when the operator treads footboard welding subassembly, the rotary drive force transmission of footboard welding subassembly reaches the trundle axle, to realize the back and forth switching of the control trundle free release state to locking state through the back and forth rotation trundle axle. The device can improve the convenience and reliability of locking and unlocking trundle operation of rehabilitation training seat.

Description

Technical Field

[0001] This utility model relates to the field of rehabilitation medical technology, and more specifically, to a chair for rehabilitation training. Background Technology

[0002] In the existing technology, the chairs used in rehabilitation training are heavy in structure. Some do not have casters at the bottom, making them inconvenient to move. Although some rehabilitation chairs are equipped with casters, locking and unlocking the casters requires stepping on each of the four caster positions individually, which makes the operation cumbersome and inconvenient. Although some casters have linkage operation mechanisms, the structure is exposed and not aesthetically pleasing, and the operation position is not centered and symmetrical, resulting in low reliability of locking and unlocking the casters.

[0003] In conclusion, improving the convenience and reliability of locking and unlocking casters in rehabilitation training chairs is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] In view of this, the purpose of this utility model is to provide a chair for rehabilitation training that can effectively improve the convenience and reliability of locking and unlocking the casters of the rehabilitation training chair.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A chair for rehabilitation training, comprising:

[0007] Seat body;

[0008] The bottom mounting plate assembly includes an upper mounting plate, four peripheral plates vertically disposed around the upper mounting plate, and an extension extending between two adjacent peripheral plates. The four extensions are arranged in an X-shape, and the ends of the extensions are provided with caster mounting tubes for mounting central control casters.

[0009] The height adjustment device has its fixed end located in the middle of the upper mounting plate, and its telescopic end connected to the bottom of the seat body.

[0010] The foot pedal locking and unlocking transmission assembly includes two oppositely distributed foot pedal welding assemblies, a transmission input shaft, a linkage plate welding assembly with a similar shape and cooperating with the bottom mounting plate assembly, and a caster axle. One end of the transmission input shaft is connected to the middle of the foot pedal welding assembly, and the middle of the transmission input shaft is connected to the middle of the surrounding plate through a support bearing seat. The other end of the transmission input shaft is connected to one end of a connecting rod plate, and the other end of the connecting rod plate is hinged to the middle of the linkage plate welding assembly. The four corners of the linkage plate welding assembly are respectively hinged to one end of the four connecting rod plates, and the other ends of the four connecting rod plates are respectively connected to one end of the four caster axles. The other end of the caster axle passes through one side of the caster mounting tube and is inserted into the control groove of the central control caster.

[0011] When the operator steps on the foot pedal welding assembly, the rotational driving force of the foot pedal welding assembly is transmitted to the caster axle through the transmission input shaft, the linkage plate welding assembly, and the connecting rod plate, so as to switch the central control caster from a free release state to a locked state by rotating the caster axle back and forth.

[0012] In one embodiment, the seat body includes a seat cushion, a backrest and a headrest disposed on one side of the seat cushion, a seat fixing base plate disposed below the seat cushion, a seat fixing rear plate disposed behind the backrest, and a positioning post. The positioning post is used to fix the headrest to the top of the seat fixing rear plate, and the seat fixing rear plate is disposed on one side of the seat fixing base plate through a seat fixing plate adapter.

[0013] In one embodiment, the headrest, the backrest, and the seat cushion each include a wooden board, a sponge attached to the wooden board, and leather, wherein the leather wraps around the sponge and is fixed to the wooden board by screws.

[0014] In one embodiment, the seat body further includes a rear shell disposed behind the seat fixing rear plate, a seat belt, and a seat belt mounting block for fixing the seat belt. The seat belt mounting block is disposed on the upper and lower parts of the left and right sides of the seat fixing rear plate to install two sets of the seat belt.

[0015] The lower part of the left and right sides of the rear shell is provided with two rear shell seat belt lower outlets, and the upper part of the left and right sides of the rear shell is provided with two rear shell seat belt upper outlets, so as to lead the seat belt inside the rear shell to the outside for use.

[0016] In one embodiment, a cylinder mounting cone tube is provided through the middle of the upper mounting plate. The height adjustment device includes a lifting control mounting plate located at the bottom of the seat body, an adjustable mounting seat located below the lifting control mounting plate, an upper anti-rotation tube seat located below the adjustable mounting seat, a lower anti-rotation tube seat sleeved on the outer periphery of the upper anti-rotation tube seat, a lifting control lever, and a lifting cylinder. The movable rod of the lifting cylinder passes through the lower anti-rotation tube seat and the adjustable mounting seat and is connected to the lifting control mounting plate. The fixed cylinder of the lifting cylinder is located on the cylinder mounting cone tube.

[0017] The lifting control lever is fixed to the lower part of the lifting control mounting plate by welding a rotating shaft and bending. The lifting control lever can rotate relative to the lifting control mounting plate at a preset angle. One end of the lifting control lever is provided with a handle, and the other end is provided with a flat surface. When the lifting control lever is lifted, the flat surface presses the button on the top of the movable lever. When the button is pressed, the lifting cylinder automatically extends or shortens under the action of external force to drive the lifting control mounting plate to move up and down. When the button is no longer pressed, the lifting cylinder remains stationary.

[0018] In one embodiment, the adjustable mounting base has a central clearance hole in the middle, and four waist-shaped adjustment grooves are provided on the outer periphery of the central clearance hole. The top of the upper anti-rotation tube base has a top mounting plate, and the four corners of the top mounting plate have upper mounting holes. Screws pass through the upper mounting holes and are installed into the waist-shaped adjustment grooves.

[0019] The lower anti-rotation tube seat has a bottom mounting plate at its bottom, and the bottom mounting plate has lower mounting holes at its four corners. Screws pass through the lower mounting holes and are installed to the bottom mounting plate assembly. The inner diameter of the lower four sides of the lower anti-rotation tube seat is larger than the outer diameter of the upper four sides of the upper anti-rotation tube seat. The seat body and the movable rod are both connected to the upper anti-rotation tube seat, and the lower anti-rotation tube seat is connected to the bottom mounting plate assembly.

[0020] In one embodiment, the foot pedal welding assembly includes a pedal connecting rod, two decorative pedals located at both ends of the pedal connecting rod on the same side, and two pedal reinforcing ribs located at the bottom of the decorative pedals. The pedal connecting rod has a threaded through hole and an input shaft mounting hole in the middle. The central axis of the input shaft mounting hole is parallel to the decorative pedals, and the central axis of the threaded through hole is perpendicular to the central axis of the input shaft mounting hole.

[0021] One end of the transmission input shaft is provided with a pedal mounting shaft surface for insertion into the input shaft mounting hole. The end of the pedal mounting shaft surface is provided with a pedal mounting hole. The pedal mounting hole is coaxially aligned with the mounting threaded through hole and connected by a screw.

[0022] In one embodiment, bearing housing mounting blocks are provided on the inner sides of the two relatively distributed surrounding plates, and a bearing housing support shaft surface is provided in the middle of the transmission input shaft. The bearing housing support shaft surface is inserted into the support bearing housing with two bearings at both ends, and the support bearing housing is installed to the bearing housing mounting block.

[0023] The bearing housing support shaft surface has a first connecting rod plate fixing threaded hole at its end. The first connecting rod plate fixing threaded hole has a connecting rod plate transmission surface on both sides. The end of the connecting rod plate transmission surface has a first connecting rod plate limiting surface perpendicularly. The connecting rod plate transmission surface is inserted into the fixed transmission hole at the other end of the connecting rod plate. The first connecting rod plate limiting surface axially restricts the position of the connecting rod plate. The screw passes through the first connecting rod plate fixing threaded hole and locks the connecting rod plate.

[0024] In one embodiment, the linkage plate welding assembly includes two oppositely distributed transverse reinforcing plates, two longitudinal reinforcing plates vertically disposed between the transverse reinforcing plates, an inclined reinforcing plate inclinedly disposed at the end of the transverse reinforcing plates, an assembly plate horizontally disposed at the end of the inclined reinforcing plates, a first reinforcing foot plate disposed between the inclined reinforcing plates and the transverse reinforcing plates, and a second reinforcing foot plate disposed between the inclined reinforcing plates and the assembly plate, wherein the four inclined reinforcing plates are distributed in an X-shape;

[0025] The four assembly plates are respectively hinged to one end of the four connecting rod plates, and the other end of the four connecting rod plates are respectively connected to the four caster axles;

[0026] The middle portions of the two transverse reinforcing plates are respectively hinged to one end of the two connecting rod plates, and the other ends of the two connecting rod plates are respectively connected to the two transmission input shafts.

[0027] In one embodiment, the lower part of the caster axle is a caster transmission surface with a hexagonal cross-section, the lower part of the caster axle is a cylindrical surface, the top of the cylindrical surface is a second connecting plate limiting surface, the second connecting plate limiting surface protrudes to provide a connecting plate fixed transmission surface, and a second connecting plate fixing threaded hole is provided through the connecting plate fixed transmission surface.

[0028] The caster drive surface is used to insert into the hexagonal control slot of the central control caster. The fixed drive holes of the four connecting plates are respectively connected to the fixed drive surfaces of the four connecting plates. The connecting plates are fastened to the caster axle by the limiting surface of the second connecting plate and the mounting screws.

[0029] When using the rehabilitation training chair provided by this invention, the patient can sit on the chair body and adjust the height of the chair body using the height adjustment device to meet the usage needs of patients of different heights. Furthermore, during use, a bottom mounting plate assembly and a foot pedal locking and unlocking transmission assembly are located below the height adjustment device. One end of the transmission input shaft is connected to the middle of the foot pedal welding assembly, and the middle of the transmission input shaft is connected to the middle of the surrounding plates via a support bearing seat. The other end of the transmission input shaft is connected to one end of a connecting rod plate, and the other end of the connecting rod plate is hinged to the middle of the linkage plate welding assembly. Therefore, the rotational driving force of the foot pedal welding assembly in the middle of the chair body can be transmitted to the linkage plate welding assembly through the transmission input shaft.

[0030] Because the four corners of the linkage plate welding assembly are hinged to one end of each of the four connecting rod plates, and the other end of each of the four connecting rod plates is connected to one end of each of the four caster axles, with the other end of the caster axle passing through the caster mounting tube and inserted into the control slot of the central control caster, the rotational driving force transmitted to the linkage plate welding assembly via the transmission input shaft can be transmitted to the four caster axles through the four connecting rod plates. Since the end of each caster axle passes through the caster mounting tube and is inserted into the control slot of the central control caster, locking or unlocking operations of each central control caster can be achieved when each caster axle rotates in the forward or reverse direction. Thus, the operator can control the locking or unlocking operation of the four central control casters at the bottom of the seat body by stepping on the foot pedal welding assembly (since this application includes two relatively distributed foot pedal welding assemblies, the four central control casters can be locked or unlocked regardless of whether the foot pedal welding assembly on the left or right side of the seat body is stepped on). This operation process is simple and convenient, eliminating the need for the operator to lock or unlock each central control caster sequentially.

[0031] This device prevents the seat from rotating or moving arbitrarily during rehabilitation training, thus avoiding interference with the auxiliary movements of the rehabilitation robotic arm. Furthermore, this device can lock or unlock all the central control casters at once, meaning it is suitable for rehabilitation training scenarios.

[0032] In summary, the rehabilitation training chair provided by this utility model can effectively improve the convenience and reliability of locking and unlocking the casters of the rehabilitation training chair. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0034] Figure 1This is a structural schematic diagram of the chair for rehabilitation training provided by this utility model;

[0035] Figure 2 A top view of the chair used for rehabilitation training;

[0036] Figure 3 This is a schematic diagram of the seat cushion structure;

[0037] Figure 4 This is a structural diagram of a chair used for rehabilitation training from another perspective;

[0038] Figure 5 This is a structural schematic diagram of the fourth specific embodiment of the present invention;

[0039] Figure 6 Top view of the foot pedal locking and unlocking transmission assembly;

[0040] Figure 7 Side view of the foot pedal locking and unlocking transmission assembly;

[0041] Figure 8 This is a schematic diagram of the adjustable mounting base.

[0042] Figure 9 This is a schematic diagram of the upper anti-rotation pipe seat;

[0043] Figure 10 This is a schematic diagram of the lower anti-rotation pipe seat;

[0044] Figure 11 This is a structural schematic diagram of the bottom mounting plate assembly;

[0045] Figure 12 A schematic diagram of the welding assembly for the foot pedal;

[0046] Figure 13 This is a schematic diagram of the transmission input shaft.

[0047] Figure 14 This is a structural schematic diagram of the linkage plate welding assembly;

[0048] Figure 15 This is a schematic diagram of the connecting rod plate.

[0049] Figure 16 This is a schematic diagram of the caster axle.

[0050] Figures 1-16 middle:

[0051] 100 is the seat body; 101 is the headrest; 102 is the backrest; 103 is the seat cushion; 1031 is the wooden board; 1032 is the foam; 1033 is the leather; 104 is the rear shell; 1041 is the lower seat belt exit of the rear shell; 1042 is the upper seat belt exit of the rear shell; 105 is the seat fixing base plate; 106 is the seat fixing plate adapter; 107 is the seat fixing rear plate; 108 is the positioning post; 109 is the seat belt mounting block;

[0052] 200 is a height adjustment device; 201 is a lifting control mounting plate; 202 is a lifting control lever; 203 is an upper anti-rotation tube seat; 2031 is an upper four-way support; 2032 is a top mounting plate; 2033 is an upper mounting hole; 204 is a lower anti-rotation tube seat; 2041 is a lower mounting hole; 2042 is a lower four-way support; 2043 is a bottom mounting plate; 205 is an adjustable mounting base; 2051 is an adjustment mounting hole; 2052 is a center clearance hole; 2053 is a waist-shaped adjustment groove; 206 is a lifting cylinder.

[0053] 300 is the bottom mounting plate assembly; 3011 is the upper mounting plate; 3012 is the bearing housing mounting block; 3013 is the surrounding plate; 3014 is the caster mounting tube; 3015 is the cylinder mounting tapered tube; 3016 is the transverse reinforcing rib; 3017 is the longitudinal reinforcing rib.

[0054] 400 is the foot pedal locking and unlocking transmission assembly; 401 is the foot pedal welding assembly; 4011 is the decorative pedal; 4012 is the pedal connecting rod; 40121 is the mounting threaded through hole; 40122 is the input shaft mounting hole; 4013 is the pedal reinforcing rib; 402 is the transmission input shaft; 4021 is the pedal mounting hole; 4022 is the connecting rod plate fixing threaded hole; 4023 is the connecting rod plate transmission surface; 4024 is the connecting rod plate limiting surface; 4025 is the bearing seat support shaft surface; 4026 is the pedal mounting shaft surface; 403 is the support bearing seat; 404 is the linkage plate welding assembly; 4041 is the first connecting rod plate mounting hole; 4042 is the second connecting rod plate mounting hole. ; 4043 is the mounting hole for the third connecting rod plate; 4044 is the mounting hole for the fourth connecting rod plate; 4045 is the mounting hole for the fifth connecting rod plate; 4046 is the mounting hole for the sixth connecting rod plate; 4047 is the first reinforcing foot plate; 4048 is the second reinforcing foot plate; 4049 is the transverse reinforcing plate; 40410 is the longitudinal reinforcing plate; 405 is the connecting rod plate; 4051 is the fixed transmission hole; 4052 is the hinge point transmission hole; 406 is the caster axle; 4061 is the caster transmission surface; 4062 is the connecting rod plate limiting surface; 4063 is the connecting rod plate fixed transmission surface; 4064 is the connecting rod plate fixing threaded hole; 407 is the shoulder screw; 408 is the anti-loosening nut; 409 is the mounting screw;

[0055] 500 refers to the central control caster. Detailed Implementation

[0056] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0057] The core of this utility model is to provide a chair for rehabilitation training, which can effectively improve the convenience and reliability of locking and unlocking the casters of the rehabilitation training chair.

[0058] like Figure 1 , Figure 2 , Figure 4 as well as Figure 5 As shown in the illustration, this specific embodiment provides a chair for rehabilitation training, comprising:

[0059] Seat body 100;

[0060] The bottom mounting plate assembly 300 includes an upper mounting plate 3011, four peripheral plates 3013 vertically disposed around the upper mounting plate 3011, and an extension portion extending between two adjacent peripheral plates 3013. The four extension portions are distributed in an X-shape, and the ends of the extension portions are provided with caster mounting tubes 3014 for mounting the central control caster 500.

[0061] The height adjustment device 200 has its fixed end located in the middle of the upper mounting plate 3011, and its telescopic end connected to the bottom of the seat body 100.

[0062] The foot pedal locking and unlocking transmission assembly 400 includes two oppositely distributed foot pedal welding assemblies 401, a transmission input shaft 402, a linkage plate welding assembly 404 with a similar shape and cooperating with the bottom mounting plate assembly 300, and a caster axle 406. One end of the transmission input shaft 402 is connected to the middle of the foot pedal welding assembly 401, and the middle of the transmission input shaft 402 is connected to the middle of the surrounding plate 3013 through a support bearing seat 403. The other end of the transmission input shaft 402 is connected to one end of a connecting rod plate 405, and the other end of the connecting rod plate 405 is hinged to the middle of the linkage plate welding assembly 404. The four corners of the linkage plate welding assembly 404 are respectively hinged to one end of the four connecting rod plates 405, and the other ends of the four connecting rod plates 405 are respectively connected to one end of the four caster axles 406. The other end of the caster axle 406 passes through one side of the caster mounting tube 3014 and is inserted into the control slot of the central control caster 500.

[0063] When the operator steps on the foot pedal welding assembly 401, the rotational driving force of the foot pedal welding assembly 401 is transmitted to the caster axle 406 through the transmission input shaft 402, the linkage plate welding assembly 404 and the connecting rod plate 405, so as to switch the central control caster 500 from the free release state to the locked state by rotating the caster axle 406 back and forth.

[0064] In practical applications, the shape, structure, size, and material of the seat body 100, bottom mounting plate assembly 300, height adjustment device 200, foot pedal locking and unlocking transmission assembly 400, and central control caster 500 can be determined according to actual conditions and needs.

[0065] In one embodiment, such as Figure 1 As shown, the seat body 100 includes a seat cushion 103, a backrest 102 disposed on one side of the seat cushion 103, a headrest 101, a seat fixing base plate 105 disposed below the seat cushion 103, a seat fixing back plate 107 disposed behind the backrest 102, and a positioning post 108. The positioning post 108 is used to fix the headrest 101 to the top of the seat fixing back plate 107. The seat fixing back plate 107 is disposed on one side of the seat fixing base plate 105 through a seat fixing plate adapter 106.

[0066] It should be noted that positioning posts 108 can be welded onto the seat fixing base plate 105 and the seat fixing rear plate 107. Positioning holes can be made on the bottom wooden boards of the seat cushion 103 and the backrest 102 to position and connect the seat cushion 103 to the seat fixing base plate 105 and the backrest 102 to the seat fixing rear plate 107. Simultaneously, the seat fixing base plate 105 and the seat fixing rear plate 107 have through holes for connecting the back wooden boards of the seat cushion 103 and the backrest 102, which can be connected to each other into an integrated structure using self-tapping wood screws. Furthermore, a through hole can be provided in the upper part of the seat fixing rear plate 107, and a headrest 101 can be installed by screws. The seat fixing rear plate 107 and the seat fixing base plate 105 are connected by a seat fixing plate adapter 106.

[0067] In one embodiment, such as Figure 3 As shown, the headrest 101, backrest 102, and seat cushion 103 all include a wooden board 1031, a sponge 1032 attached to the wooden board 1031, and leather 1033. The leather 1033 wraps around the sponge 1032 and is fixed to the wooden board 1031 with screws. That is, the headrest 101, backrest 102, and seat cushion 103 are all made of leather 1033, sponge 1032, and wooden board 1031 (or aluminum plate). By wrapping and tightening the high-density sponge 1032 with leather 1033, and fixing the leather 1033 to the back of the wooden board 1031 with fasteners, the device is made more comfortable for the patient.

[0068] In one embodiment, such as Figure 4 As shown, the seat body 100 also includes a rear shell 104 located behind the seat fixing rear plate 107, a seat belt, and a seat belt mounting block 109 for fixing the seat belt. The seat belt mounting block 109 is located on the upper and lower parts of the left and right sides of the seat fixing rear plate 107 to install two sets of seat belts. The lower parts of the left and right sides of the rear shell 104 are provided with two rear shell seat belt lower outlets 1041, and the upper parts of the left and right sides of the rear shell 104 are provided with two rear shell seat belt upper outlets 1042 to lead the seat belt inside the rear shell 104 to the outside for use.

[0069] It should be noted that the seat belt mounting block 109 has threaded features, and the sheet metal at both ends of the seat belt has mounting through holes, allowing the seat belt to be installed and fixed onto the seat belt mounting block 109 using screws. The seat belt mounting blocks 109 are welded to the upper and lower parts of the left and right sides of the seat fixing back plate 107 to install two sets of seat belts, one for each side of the human body. The rear shell 104 is installed onto the seat fixing back plate 107 with screws, ensuring that the seat fixing back plate 107, the wooden board on the back of the headrest 102, and the seat belt mounting parts are all enclosed inside the rear shell 104 and not exposed, achieving an overall aesthetically pleasing effect.

[0070] Furthermore, the lower parts of the left and right sides of the rear shell 104 include two rear shell seat belt lower outlets 1041, and the upper parts of the left and right sides of the rear shell 104 include two rear shell seat belt upper outlets 1042, allowing the seat belts inside the rear shell 104 to be led out for normal use. Additionally, the seat fixing base plate 105, seat fixing plate adapter 106, seat fixing rear plate 107 positioning post 108, and seat belt mounting block 109 can be welded together to form a single unit, making the device structure more stable and reliable.

[0071] In one embodiment, such as Figure 11 As shown, a cylinder mounting cone tube 3015 is provided through the middle of the upper mounting plate 3011. The height adjustment device 200 includes a lifting control mounting plate 201 located at the bottom of the seat body 100, an adjustable mounting seat 205 located below the lifting control mounting plate 201, an upper anti-rotation tube seat 203 located below the adjustable mounting seat 205, a lower anti-rotation tube seat 204 sleeved on the outer periphery of the upper anti-rotation tube seat 203, a lifting control lever 202, and a lifting cylinder 206. The movable rod of the lifting cylinder 206 passes through the lower anti-rotation tube seat 204 and the adjustable mounting seat 205 and is connected to the lifting control mounting plate 201. The fixed cylinder of the lifting cylinder 206 is located on the cylinder mounting cone tube 3015.

[0072] The lifting control lever 202 is fixed to the lower part of the lifting control mounting plate 201 by welding a rotating shaft and bending. The lifting control lever 202 can rotate relative to the lifting control mounting plate 201 at a preset angle. One end of the lifting control lever 202 is provided with a handle, and the other end is provided with a flat surface. When the lifting control lever 202 is lifted, the flat surface presses the button on the top of the movable lever. When the button is pressed, the lifting cylinder 206 automatically extends or shortens under the action of external force to drive the lifting control mounting plate 201 to move up and down. When the button is no longer pressed, the lifting cylinder 206 is fixed.

[0073] It should be noted that the lifting control mounting plate 201 and the adjustable mounting base 205 can be stacked together (for example, adjustment mounting holes 2051 can be provided at the four corners of the adjustable mounting base 205), and installed into the mounting threaded holes on the seat fixing base plate 105 by screws (passing through the adjustment mounting holes 2051). The lifting control lever 202 is fixed to the lifting control mounting plate 201 by welding a rotating shaft and bending, and the two form an integral structure, and the lifting control lever 202 can rotate relative to the lifting control mounting plate 201 at a certain angle. The bottom of the lifting control mounting plate 201 is connected to the movable rod at the top of the lifting cylinder 206, and the fixed cylinder (conical) at the bottom of the lifting cylinder 206 is connected to the cylinder mounting cone tube 3015 of the bottom mounting plate assembly 300, and the two are pressed together and fixed in place. The lifting control lever 202 has a handle at one end for easy manual operation, and a flat surface at the other end. When the lever is lifted and rotated, it presses against the button on the top of the upper movable rod of the lifting cylinder 206. When the button is pressed, the lifting cylinder 206 automatically extends or retracts under external force. When the button is no longer pressed, the lifting cylinder 206 remains in its current position, allowing for vertical adjustment of the lifting control mounting plate 201 and the seat body 100 mounted on it. The operator then releases the lifting control lever 202 to fix the seat body 100 at its current height, thus enabling manual adjustment of the seat body 100's height.

[0074] In one embodiment, such as Figure 8 As shown, the adjustable mounting base 205 has a central clearance hole 2052 in the middle, and four waist-shaped adjustment grooves 2053 are provided on the outer periphery of the central clearance hole 2052.

[0075] like Figure 9 As shown, the top of the upper anti-rotation pipe seat 203 is provided with a top mounting plate 2032, and the four corners of the top mounting plate 2032 are respectively provided with upper mounting holes 2033. Screws are installed through the upper mounting holes 2033 to the waist-shaped adjustment groove 2053. The relative positions of the two can be adjusted within a certain range to improve the adaptability of the installation.

[0076] like Figure 10 As shown, the bottom of the lower anti-rotation tube seat 204 is provided with a bottom mounting plate 2043. The bottom mounting plate 2043 has lower mounting holes 2041 at its four corners. Screws and nuts pass through the lower mounting holes 2041 and are installed to the bottom mounting plate assembly 300. The inner diameter of the lower four sides 2042 of the lower anti-rotation tube seat 204 is larger than the outer diameter of the upper four sides 2031 of the upper anti-rotation tube seat 203. The seat body 100 and the movable rod are both connected to the upper anti-rotation tube seat 203. The lower anti-rotation tube seat 204 is connected to the bottom mounting plate assembly 300, thereby allowing the upper anti-rotation tube seat 203 to... The lower anti-rotation tube seat 204 moves up and down, but because the upper anti-rotation tube seat 203 and the lower anti-rotation tube seat 204 cooperate in four directions, the mutual rotation between the two is restricted. The upper part of the upper anti-rotation tube seat 203 is connected to the movable rod of the seat body 100 and the lifting cylinder 206, and the lower part of the lower anti-rotation tube seat 204 is connected to the bottom mounting plate assembly 300 and fixed. This restricts the circumferential rotation freedom of the lifting cylinder 206 during the up and down adjustment process, so that the seat body 100 can effectively prevent circumferential rotation of the seat body 100 while realizing the up and down height adjustment.

[0077] In one embodiment, such as Figure 12 As shown, the foot pedal welding assembly 401 includes a pedal connecting rod 4012, two decorative pedals 4011 (with anti-slip rectangular groove arrays on the decorative pedals 4011) located at both ends of the pedal connecting rod 4012 on the same side, and two pedal reinforcing ribs 4013 located at the bottom of the decorative pedals 4011. The middle part of the pedal connecting rod 4012 is provided with a mounting threaded through hole 40121 and an input shaft mounting hole 40122. The central axis of the input shaft mounting hole 40122 is parallel to the decorative pedals 4011, and the central axis of the mounting threaded through hole 40121 is perpendicular to the central axis of the input shaft mounting hole 40122. One end of the transmission input shaft 402 is provided with a pedal mounting shaft surface 4026 for insertion into the input shaft mounting hole 40122. The end of the pedal mounting shaft surface 4026 is provided with a pedal mounting hole 4021. The pedal mounting hole 4021 is coaxially aligned with the mounting threaded through hole 40121 and connected by screws.

[0078] In one embodiment, bearing seat mounting blocks 3012 are provided on the inner sides of the two oppositely distributed perimeter plates 3013, and, as Figure 11 As shown, transverse reinforcing ribs 3016 can be arranged parallel to each other on the front and rear sides of the bearing housing mounting block 3012, and longitudinal reinforcing ribs 3017 are arranged vertically between the two surrounding plates 3013. The longitudinal reinforcing ribs 3017 are arranged perpendicular to the transverse reinforcing ribs 3016. The upper mounting plate 3011, bearing housing mounting block 3012, surrounding plates 3013, extension, caster mounting tube 3014, transverse reinforcing ribs 3016 and longitudinal reinforcing ribs 3017 can be welded into an integral structure.

[0079] like Figure 13 As shown, the transmission input shaft 402 has a bearing housing support shaft surface 4025 in the middle. The bearing housing support shaft surface 4025 is inserted into the support bearing housing 403 with two bearings at both ends. The support bearing housing 403 is installed on the bearing housing mounting block 3012. That is, the bearing housing support shaft surface 4025 of the transmission input shaft 402 is inserted into the support bearing housing 403 with two bearings at both ends. The support bearing housing 403 is installed on the bearing housing mounting block 3012 of the bottom mounting plate assembly 300 by screws.

[0080] The bearing housing support shaft surface 4025 has a first connecting rod plate fixing threaded hole 4022 at its end. Connecting rod plate transmission surfaces 4023 are respectively provided on both sides of the first connecting rod plate fixing threaded hole 4022. A first connecting rod plate limiting surface 4024 is vertically provided at the end of the connecting rod plate transmission surface 4023. The connecting rod plate transmission surface 4023 is inserted into the fixed transmission hole 4051 at the other end of the connecting rod plate 405. The first connecting rod plate limiting surface 4024 axially restricts the position of the connecting rod plate 405. Screws pass through... The connecting rod plate 405 is secured by the first connecting rod plate fixing threaded hole 4022. That is, the transmission surface 4023 of the connecting rod plate of the transmission input shaft 402 is inserted into the fixing transmission hole 4051 of the connecting rod plate 405. Simultaneously, while the connecting rod plate limiting surface 4024 of the transmission input shaft 402 axially limits the connecting rod plate 405, screws are installed into the connecting rod plate fixing threaded hole 4022 of the transmission input shaft 402 to securely connect the transmission input shaft 402 and the connecting rod plate 405 into an integrated structure. The foot pedal welding assembly 401 and the transmission input shaft 402 located on both sides of the seat body 100 are symmetrically arranged.

[0081] In one embodiment, such as Figure 14 As shown, the linkage plate welding assembly 404 includes two oppositely distributed transverse reinforcing plates 4049, two longitudinal reinforcing plates 40410 vertically disposed between the transverse reinforcing plates 4049, an inclined reinforcing plate inclinedly disposed at the end of the transverse reinforcing plate 4049, an assembly plate horizontally disposed at the end of the inclined reinforcing plate, a first reinforcing foot plate 4047 disposed between the inclined reinforcing plate and the transverse reinforcing plate 4049, and a second reinforcing foot plate 4048 disposed between the inclined reinforcing plate and the assembly plate. The four inclined reinforcing plates are distributed in an X-shape.

[0082] like Figure 6As shown, the four assembly plates are respectively hinged to one end of the four connecting rod plates 405, and the other end of the four connecting rod plates 405 is respectively connected to the four caster axles 406; for example, the four assembly plates are respectively provided with a third connecting rod plate mounting hole 4043, a sixth connecting rod plate mounting hole 4046, a fourth connecting rod plate mounting hole 4044, and a second connecting rod plate mounting hole 4042. The second connecting rod plate mounting hole 4042, the third connecting rod plate mounting hole 4043, the fourth connecting rod plate mounting hole 4044, and the sixth connecting rod plate mounting hole 4046 are respectively hinged to one end of the four connecting rod plates 405 (that is, respectively connected to the hinge point transmission holes 4052 of the four connecting rod plates 405 through shoulder screws 407 and anti-loosening nuts 408 to form four rotating hinge points), and the other end of the four connecting rod plates 405 is respectively connected to the four caster axles 406;

[0083] The middle portions of the two transverse reinforcing plates 4049 are respectively hinged to one end of the two connecting rod plates 405, and the other ends of the two connecting rod plates 405 are respectively connected to the two transmission input shafts 402; for example, the middle portions of the two transverse reinforcing plates 4049 are respectively provided with a first connecting rod plate mounting hole 4041 and a fifth connecting rod plate mounting hole 4045, the first connecting rod plate mounting hole 4041 and the fifth connecting rod plate mounting hole 4045 are respectively hinged to one end of the two connecting rod plates 405 (that is, respectively connected to the hinge point transmission holes 4052 of the two connecting rod plates 405 through shoulder screws 407 and anti-loosening nuts 408 to form two rotational hinge points), the structure of the connecting rod plate 405 is as follows. Figure 15 As shown.

[0084] In one embodiment, such as Figure 16 As shown, the lower part of the caster axle 406 is a caster transmission surface 4061 with a hexagonal cross-section. The lower part of the caster axle 406 is a cylindrical surface, and the top of the cylindrical surface is a second connecting rod plate limiting surface 4062. The second connecting rod plate limiting surface 4062 protrudes to provide a connecting rod plate fixing transmission surface 4063. A second connecting rod plate fixing threaded hole 4064 is provided through the connecting rod plate fixing transmission surface 4063. The caster transmission surface 4061 is used to insert into the hexagonal control slot of the central control caster 500. The fixing transmission holes 4051 of the four connecting rod plates 405 are respectively connected to the four connecting rod plate fixing transmission surfaces 4063. The connecting rod plates 405 are fastened to the caster axle 406 by the second connecting rod plate limiting surface 4062 and the mounting screws 409.

[0085] That is, the fixed transmission holes 4051 of the four connecting plates 405 are respectively connected to the fixed transmission surfaces 4063 of the connecting plates of the caster axles 406 inserted into the control holes of the four central control casters 500. They are fastened into an integrated structure by the limiting surface 4062 of the connecting plates on the caster axles 406 and the mounting screws 409, thus forming a structure as follows. Figure 6 and Figure 7 A schematic diagram of a parallelogram-shaped transmission mechanism.

[0086] It should be further explained that there are four caster mounting tubes 3014 around the bottom of the mounting plate assembly 300, which can be inserted to install four central control casters 500. The caster mounting tubes 3014 have through holes, and the central control casters 500 can be fixed with screws. At the same time, there is a slot on one side of the caster mounting tube 3014, which can be inserted to install the caster axle 406 into the hexagonal control slot of the central control caster 500. The caster drive surface 4061 of the caster axle 406 is a hexagonal outer shaft, which cooperates with the hexagonal control slot of the central control caster 500 to transmit power. By rotating the caster axle 406 back and forth, the central control caster 500 can be switched from a free-release state to a locked state.

[0087] The rotational driving force of the foot pedal welding assembly 401 in the middle of the seat body 100 can be transmitted to the four caster axles 406 through the linkage plate welding assembly 404 and the connecting rod plate 405, thereby correspondingly locking or unlocking the central control casters 500. This allows for locking or unlocking of the four central control casters 500 at the bottom of the seat body 100 with a single step on the decorative pedal 4011 of the foot pedal welding assembly 401, making operation simple and convenient. Furthermore, the foot pedal operation of the foot pedal welding assembly 401 is centrally symmetrical, making it more reliable, and with fewer transmission parts, resulting in lower cost. Moreover, the parallelogram mechanism in the middle of the bottom of the seat body 100 is concealed within the surrounding plates 3013, making the device structure more aesthetically pleasing.

[0088] Therefore, this device has a compact and relatively lightweight structure. The seat body 100 has four centrally controlled casters 500 at its bottom for easy movement and locking. The device is designed with a transmission mechanism (i.e., a foot pedal locking and unlocking transmission component 400) for convenient one-time foot pedal operation to lock and unlock the four centrally controlled casters 500. The transmission structure is located inside the bottom mounting plate component 300 and is not exposed, making it aesthetically pleasing. Furthermore, this device is suitable for a wider range of people, as it has the characteristic of restricting the seat body 100 from rotating freely, making it better suited for rehabilitation training scenarios. In addition, this device has an installation interface for a safety belt (i.e., a safety belt mounting block 109) to provide safety protection for the patient.

[0089] It should be noted that the first reinforcing foot plate 4047 and the second reinforcing foot plate 4048, the first connecting rod plate mounting hole 4041 and the second connecting rod plate mounting hole 4042, the third connecting rod plate mounting hole 4043, the fourth connecting rod plate mounting hole 4044, the fifth connecting rod plate mounting hole 4045, and the sixth connecting rod plate mounting hole 4046 mentioned in this application are only distinguished by their different positions and do not have any order of precedence.

[0090] In addition, it should be noted that the orientation or positional relationship indicated by "up and down", "top and bottom" in this application is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the purpose of simplifying the description and making it easier to understand, and does not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this utility model.

[0091] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. Any combination of all embodiments provided by this utility model is within the protection scope of this utility model and will not be elaborated upon here.

[0092] The above provides a detailed description of the rehabilitation training chair provided by this utility model. Specific examples have been used to illustrate the principles and implementation methods of this utility model. The descriptions of the embodiments above are merely for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A chair for rehabilitation training, characterized in that, include: Seat body (100); The bottom mounting plate assembly (300) includes an upper mounting plate (3011), four perimeter plates (3013) vertically disposed around the upper mounting plate (3011), and extensions extending between two adjacent perimeter plates (3013). The four extensions are arranged in an X-shape, and the ends of the extensions are provided with caster mounting tubes (3014) for mounting the central control caster (500). The height adjustment device (200) has its fixed end located in the middle of the upper mounting plate (3011), and its telescopic end is connected to the bottom of the seat body (100). The foot pedal locking and unlocking transmission assembly (400) includes two oppositely distributed foot pedal welding assemblies (401), a transmission input shaft (402), a linkage plate welding assembly (404) similar in shape to the bottom mounting plate assembly (300), and a caster axle (406). One end of the transmission input shaft (402) is connected to the middle of the foot pedal welding assembly (401), and the middle of the transmission input shaft (402) is connected to the middle of the surrounding plate (3013) through a support bearing seat (403). The other end of the input shaft (402) is connected to one end of the connecting rod plate (405), and the other end of the connecting rod plate (405) is hinged to the middle of the linkage plate welding assembly (404); the four corners of the linkage plate welding assembly (404) are respectively hinged to one end of the four connecting rod plates (405), and the other ends of the four connecting rod plates (405) are respectively connected to one end of the four caster axles (406), and the other end of the caster axle (406) passes through one side of the caster mounting tube (3014) and is inserted into the control groove of the central control caster (500); When the operator steps on the foot pedal welding assembly (401), the rotational driving force of the foot pedal welding assembly (401) is transmitted to the caster axle (406) through the transmission input shaft (402), the linkage plate welding assembly (404) and the connecting rod plate (405), so as to switch the free release state and the locked state of the central control caster (500) by rotating the caster axle (406) back and forth.

2. The chair for rehabilitation training according to claim 1, characterized in that, The seat body (100) includes a seat cushion (103), a backrest (102) disposed on one side of the seat cushion (103), a headrest (101), a seat fixing base plate (105) disposed below the seat cushion (103), a seat fixing back plate (107) disposed behind the backrest (102), and a positioning post (108). The positioning post (108) is used to fix the headrest (101) to the top of the seat fixing back plate (107). The seat fixing back plate (107) is disposed on one side of the seat fixing base plate (105) through a seat fixing plate adapter (106).

3. The chair for rehabilitation training according to claim 2, characterized in that, The headrest (101), the backrest (102), and the seat cushion (103) each include a wooden board (1031), a sponge (1032) attached to the wooden board (1031), and a leather (1033). The leather (1033) wraps around the sponge (1032) and is fixed to the wooden board (1031) by screws.

4. The chair for rehabilitation training according to claim 2, characterized in that, The seat body (100) also includes a rear shell (104) located behind the seat fixing rear plate (107), a seat belt, and a seat belt mounting block (109) for fixing the seat belt. The seat belt mounting block (109) is located on the upper and lower parts of the left and right sides of the seat fixing rear plate (107) to install two sets of the seat belt. The lower part of the left and right sides of the rear shell (104) is provided with two rear shell seat belt lower outlets (1041), and the upper part of the left and right sides of the rear shell (104) is provided with two rear shell seat belt upper outlets (1042) to lead the seat belt inside the rear shell (104) to the outside for use.

5. The chair for rehabilitation training according to any one of claims 1 to 4, characterized in that, The upper mounting plate (3011) is provided with a cylinder mounting cone tube (3015) through the middle. The height adjustment device (200) includes a lifting control mounting plate (201) at the bottom of the seat body (100), an adjustable mounting seat (205) below the lifting control mounting plate (201), an upper anti-rotation tube seat (203) below the adjustable mounting seat (205), a lower anti-rotation tube seat (204) sleeved on the outer periphery of the upper anti-rotation tube seat (203), a lifting control lever (202), and a lifting cylinder (206). The movable rod of the lifting cylinder (206) passes through the lower anti-rotation tube seat (204) and the adjustable mounting seat (205) and is connected to the lifting control mounting plate (201). The fixed cylinder of the lifting cylinder (206) is provided on the cylinder mounting cone tube (3015). The lifting control lever (202) is fixed to the lower part of the lifting control mounting plate (201) by welding a rotating shaft and bending. The lifting control lever (202) can rotate relative to the lifting control mounting plate (201) at a preset angle. One end of the lifting control lever (202) is provided with a handle, and the other end is provided with a flat surface. When the lifting control lever (202) is lifted, the flat surface presses the button on the top of the movable lever. When the button is pressed, the lifting cylinder (206) automatically extends or shortens under the action of external force to drive the lifting control mounting plate (201) to move up and down. When the button is no longer pressed, the lifting cylinder (206) is fixed.

6. The chair for rehabilitation training according to claim 5, characterized in that, The adjustable mounting base (205) has a central clearance hole (2052) in the middle, and four waist-shaped adjustment grooves (2053) are provided on the outer periphery of the central clearance hole (2052). The top of the upper anti-rotation tube base (203) is provided with a top mounting plate (2032), and the four corners of the top mounting plate (2032) are respectively provided with upper mounting holes (2033). Screws are installed into the waist-shaped adjustment grooves (2053) through the upper mounting holes (2033). The bottom of the lower anti-rotation tube seat (204) is provided with a bottom mounting plate (2043), and the four corners of the bottom mounting plate (2043) are respectively provided with lower mounting holes (2041). Screws are installed to the bottom mounting plate assembly (300) through the lower mounting holes (2041). The inner diameter of the lower four sides (2042) of the lower anti-rotation tube seat (204) is larger than the outer diameter of the upper four sides (2031) of the upper anti-rotation tube seat (203). The seat body (100) and the movable rod are both connected to the upper anti-rotation tube seat (203), and the lower anti-rotation tube seat (204) is connected to the bottom mounting plate assembly (300).

7. The chair for rehabilitation training according to any one of claims 1 to 4, characterized in that, The foot pedal welding assembly (401) includes a foot pedal connecting rod (4012), two decorative foot pedals (4011) located at both ends of the same side of the foot pedal connecting rod (4012), and two foot pedal reinforcing ribs (4013) located at the bottom of the decorative foot pedals (4011). The foot pedal connecting rod (4012) has a threaded through hole (40121) and an input shaft mounting hole (40122) in the middle. The central axis of the input shaft mounting hole (40122) is parallel to the decorative foot pedals (4011), and the central axis of the threaded through hole (40121) is perpendicular to the central axis of the input shaft mounting hole (40122). One end of the transmission input shaft (402) is provided with a pedal mounting shaft surface (4026) for insertion into the input shaft mounting hole (40122). The end of the pedal mounting shaft surface (4026) is provided with a pedal mounting hole (4021). The pedal mounting hole (4021) is coaxially aligned with the mounting threaded through hole (40121) and connected by screws.

8. The chair for rehabilitation training according to claim 7, characterized in that, The inner sides of the two relatively distributed surrounding plates (3013) are provided with bearing housing mounting blocks (3012), and the transmission input shaft (402) is provided with a bearing housing support shaft surface (4025) in the middle. The bearing housing support shaft surface (4025) is inserted into the support bearing housing (403) with two bearings at both ends. The support bearing housing (403) is installed on the bearing housing mounting block (3012). The bearing seat support shaft surface (4025) has a first connecting rod plate fixing threaded hole (4022) at its end. The first connecting rod plate fixing threaded hole (4022) has a connecting rod plate transmission surface (4023) on both sides. The end of the connecting rod plate transmission surface (4023) has a first connecting rod plate limiting surface (4024) perpendicularly provided. The connecting rod plate transmission surface (4023) is inserted into the fixed transmission hole (4051) at the other end of the connecting rod plate (405). The first connecting rod plate limiting surface (4024) axially restricts the position of the connecting rod plate (405). The screw passes through the first connecting rod plate fixing threaded hole (4022) and locks the connecting rod plate (405).

9. The chair for rehabilitation training according to claim 8, characterized in that, The linkage plate welding assembly (404) includes two oppositely distributed transverse reinforcing plates (4049), two longitudinal reinforcing plates (40410) vertically disposed between the transverse reinforcing plates (4049), an inclined reinforcing plate inclinedly disposed at the end of the transverse reinforcing plate (4049), an assembly plate horizontally disposed at the end of the inclined reinforcing plate, a first reinforcing foot plate (4047) disposed between the inclined reinforcing plate and the transverse reinforcing plate (4049), and a second reinforcing foot plate (4048) disposed between the inclined reinforcing plate and the assembly plate. The four inclined reinforcing plates are distributed in an X-shape. The four assembly plates are respectively hinged to one end of the four connecting rod plates (405), and the other end of the four connecting rod plates (405) is respectively connected to the four caster axles (406); the middle part of the two transverse reinforcing plates (4049) is respectively hinged to one end of the two connecting rod plates (405), and the other end of the two connecting rod plates (405) is respectively connected to the two transmission input shafts (402).

10. The chair for rehabilitation training according to any one of claims 1 to 4, characterized in that, The lower part of the caster axle (406) is a caster transmission surface (4061) with a hexagonal cross-section. The lower part of the caster axle (406) is a cylindrical surface. The top of the cylindrical surface is a second connecting plate limiting surface (4062). The second connecting plate limiting surface (4062) has a connecting plate fixed transmission surface (4063) protruding from it. The connecting plate fixed transmission surface (4063) has a second connecting plate fixing threaded hole (4064) passing through it. The caster drive surface (4061) is used to insert into the hexagonal control slot of the central control caster (500). The fixed drive holes (4051) of the four connecting plates (405) are respectively connected to the fixed drive surfaces (4063) of the four connecting plates. The connecting plate (405) is fastened to the caster axle (406) by the second connecting plate limiting surface (4062) and the mounting screw (409).

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