CN214436268U

CN214436268U - Device is tempered with limbs to diabetes mellitus patient

Info

Publication number: CN214436268U
Application number: CN202120476460.7U
Authority: CN
Inventors: 林巧; 肖帮惠; 徐毅
Original assignee: Affiliated Hospital of Guizhou Medical University
Current assignee: Affiliated Hospital of Guizhou Medical University
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-10-22
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a device is tempered with limbs to diabetes mellitus patient. The utility model relates to a limb exercising device for diabetics, which comprises a base component, a space walker, a grab bar, a fixed rod, a fixed component, a shaking component, a lifting component, a seat component, a backrest component and a transmission component; space walk machine fixed mounting in base subassembly upper surface intermediate position, two fixed subassembly fixed mounting is two the base subassembly upper surface, it rotates to install to wave the subassembly fixed subassembly is inboard, the utility model discloses a shake handle cover and the rocking disk that sets up in the subassembly and temper the upper limbs, thereby shake the purpose that the rocking disk reached to temper the upper limbs through the upper limbs and turn into the power that the upper limbs sent through drive assembly and rotate back subassembly in threaded rod pivoted kinetic energy drive and remove according to the massage post, make the massage wheel make a round trip to massage in patient's back, make and reach the back again of can massaging when tempering the upper limbs.

Description

Device is tempered with limbs to diabetes mellitus patient

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a limb exercise device for a diabetic patient.

Background

Diabetes is a group of metabolic diseases characterized by hyperglycemia, is a controllable but non-radical chronic disease, needs to be diagnosed and treated for a long time, and if the diabetes cannot be effectively controlled for a long time, serious consequences such as cerebral apoplexy, coronary heart disease, blindness, renal failure uremia, unsmooth blood circulation of lower limbs, even necrosis and the like can be caused, so that the diabetes has great harm, and the diabetes needs to control the own dietary habits and simultaneously adheres to exercise.

However, the existing limb exercise devices have the following drawbacks: traditional limbs are taken exercise the device and exist and can't be taken exercise for the patient is comprehensive as one nature, and comprehensive exercise equipment cost is higher, and the electrical apparatus that the function is comprehensive is taken exercise equipment and is maintained the cost, and current equipment can't take exercise the massage to patient's back.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diabetes patient tempers device with limbs to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a limb exercise device for diabetics comprises a base component, a space walker, an armrest rod, a fixed component, a shaking component, a lifting component, a seat component, a backrest component and a transmission component;

the space walker is fixedly arranged in the middle of the upper surface of the base component, the two fixing components are fixedly arranged on the upper surfaces of the two base components, the swinging component is rotatably arranged inside the fixing components, the lifting component and the seat component are embedded and arranged in the middle of the upper surface of the base component, the grab bar is fixedly connected between the fixing components and the base component, the backrest component is rotatably arranged inside the base component, the fixing rod is embedded and sleeved on one side surface of the base component, and the transmission component is movably connected between the fixing components and the backrest component;

the space walker is used for leg movement of diabetics, the shaking assembly is used for arm joint movement, the fixing assembly is used for enabling the shaking assembly to be connected with the transmission assembly in a transmission mode, the lifting assembly is used for fixing the pedal of the space walker and supporting the seat assembly, the seat assembly is used for patients to sit, the grab bar is used for handrails of the patients, the backrest assembly is used for patient backrests, the fixing rod is used for fixing the positions of the backrests, and the transmission assembly is used for enabling the fixing assembly to be connected with the backrest assembly in a transmission mode.

Further, the inside base that still includes of base subassembly, the inside fixed mounting of base has the base horizontal pole, surface fixed mounting has the transmission shaft spud pile under the base, from ratch fixed plate and back spud pile.

Furthermore, the fixing component further comprises a fixing column, the fixing column is fixedly installed on the upper surface of the base, a connecting column is fixedly installed on the upper surface of the fixing column, a cap is fixedly installed on the upper surface of the connecting column, and the fixing column and the inside of the connecting column are sleeved with a transmission rod through a bearing.

Further, the inside crank post that still includes of rocking subassembly, crank post fixed mounting in the spliced pole is inboard, the transmission post is installed through the bearing to crank post inside, the transmission post is located the inside one end fixed mounting of spliced pole has the driving tooth, transmission post other end fixed mounting has the rocking disk, the inside fixed mounting of rocking disk has the handle spud pile, handle spud pile surface activity has cup jointed the handle pole, handle pole intermediate position surface has cup jointed the handle cover.

Furthermore, the lifting assembly further comprises a seat lifting plate, lifting fixed columns and pedal fixing lifting plates, the lifting fixed columns are movably mounted inside the base, the seat lifting plate is fixedly sleeved on the outer surface of the lifting fixed columns, the two pedal fixing lifting plates are fixedly sleeved on the outer surface of the lifting fixed columns and located on two sides of the seat lifting plate, and pedal fixing blocks are movably mounted at one ends of the pedal fixing lifting plates.

Further, the seat assembly comprises a seat and seat head fixing columns, the seat head fixing columns are fixedly mounted at one end of a seat lifting plate, the seat is movably sleeved on the outer surface of the seat head fixing columns, lower-seat fixing piles are fixedly mounted at the middle position of the lower surface of the seat, the lower-seat fixing columns are fixedly mounted between the lower-seat fixing piles, seat lifting rods are movably sleeved on the outer surface of the lower-seat fixing columns, backrest driving columns are fixedly mounted at the middle positions of the seat lifting rods, and backrest driving rod moving rods are movably sleeved at two ends of each backrest driving column.

Further, inside back bottom plate, threaded rod and the massage wheel of still including of back subassembly, back bottom plate one end both sides activity is cup jointed inside the back spud pile, back bottom plate other end fixed mounting has the back frame, back bottom plate other end both sides with the back drives the pole other end and rotates the connection, the threaded rod runs through to be installed the back bottom plate reaches back frame central point puts, threaded rod one end is passed through the bearing embedding and is installed back frame one end inner wall, the threaded rod surface has cup jointed the massage post through the screw thread, massage post both ends activity joint is in back frame inner wall both sides, four the massage wheel cup joints through the bearing massage post surface.

Further, the transmission assembly further comprises a transmission shaft and a driven gear rod, the outer surface of the transmission shaft is movably sleeved inside the transmission shaft fixing pile, two ends of the transmission shaft are in meshed transmission with the other end of the transmission rod, the middle of the transmission shaft is fixedly sleeved with a transmission gear, the driven gear is movably sleeved inside the driven gear rod fixing plate, a driven gear is fixedly installed at one end of the driven gear rod, the transmission gear is in meshed transmission with the driven gear, a sleeve pile is movably sleeved from the other end of the driven gear rod, a sleeve pile connecting rod is movably connected between the sleeve piles, and the sleeve pile at the other end of the sleeve pile connecting rod is movably sleeved at the other end of the threaded rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a handle cover and the rocking dish that set up in the subassembly are tempered the upper limbs, thereby shake the purpose that the rocking dish reached the exercise upper limbs through the upper limbs and turn into the power that the upper limbs sent through drive assembly and rotate back subassembly in threaded rod pivoted kinetic energy drive and remove according to the massage post, thereby make the massage wheel make a round trip to massage in patient's back, can massage the back again when making to reach the exercise upper limbs, only need take the dead lever out when needs are tempered the shank and can pack up seat subassembly and back subassembly.

Drawings

Fig. 1 is a schematic structural view of a limb exercising device for diabetics;

FIG. 2 is a schematic structural view of a half-section of the embodiment of FIG. 1;

FIG. 3 is a schematic bottom structure view of the embodiment of FIG. 1;

FIG. 4 is an enlarged view of a portion A of the embodiment of FIG. 2;

FIG. 5 is an enlarged partial view of portion B of the embodiment of FIG. 4;

FIG. 6 is a schematic view of the embodiment of FIG. 1 showing the structure of the lift assembly, seat assembly, backrest assembly and transmission assembly;

fig. 7 is a partially enlarged view of the portion C in the embodiment of fig. 6.

Reference numerals: 1. a base assembly; 101. a base; 102. a base rail; 103. a transmission shaft fixing pile; 104. a slave rack bar fixing plate; 105. fixing a pile on the backrest; 2. a space walker; 3. a fixing assembly; 301. fixing a column; 302. connecting columns; 303. capping; 304. a transmission rod; 4. a rocking assembly; 401. A crank post; 402. a drive post; 403. a transmission gear; 404. a rocking disk; 405. a grip fixing pile; 406. A handle bar; 407. a handle sleeve; 5. lifting the assembly; 501. a seat lifting plate; 502. lifting the fixed column; 503. pedal to fix the lifting plate; 504. a pedal fixing block; 6. a seat assembly; 601. a seat; 602. Fixing piles under the chair; 603. a lower chair fixing column; 604. a seat lift bar; 605. the backrest drives the post; 606. A back strap moving rod; 607. a chair head fixing column; 7. a grab rail; 8. a backrest assembly; 801. a back plate; 802. a backrest frame; 803. a threaded rod; 804. a massage column; 805. a massage wheel; 9. fixing the rod; 10. A transmission assembly; 1001. a drive shaft; 1002. a transmission gear; 1003. a slave gear; 1004. a slave rack bar; 1005. pile sleeving; 1006. a pile sleeving connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, fig. 1 is a schematic structural diagram of a limb exercise device for diabetics according to the present invention; FIG. 2 is a schematic structural view of a half-section of the embodiment of FIG. 1; FIG. 3 is a schematic bottom structure view of the embodiment of FIG. 1; FIG. 4 is an enlarged partial view of portion A of the embodiment of FIG. 1; FIG. 5 is an enlarged partial view of portion B of the embodiment of FIG. 4; FIG. 6 is a schematic view of the embodiment of FIG. 1 showing the structure of the lift assembly, seat assembly, backrest assembly and transmission assembly; FIG. 7 is an enlarged partial view of part C of the embodiment of FIG. 6, wherein a diabetic limb exercising apparatus comprises a base assembly 1, a space walker 2, a grab bar 7, a fixed bar 9, a fixed assembly 3, a rocking assembly 4, a lifting assembly 5, a seat assembly 6, a backrest assembly 8 and a transmission assembly 10;

the space walker 2 is fixedly arranged in the middle of the upper surface of the base component 1, the two fixing components 3 are fixedly arranged on the upper surfaces of the two base components 1, the shaking component 4 is rotatably arranged on the inner side of the fixing component 3, the lifting component 5 and the seat component 6 are embedded and arranged in the middle of the upper surface of the base component 1, the grab bar 7 is fixedly connected between the fixing component 3 and the base component 1, the backrest component 8 is rotatably arranged in the base component 1, the fixing rod 9 is embedded and sleeved on one side surface of the base component 1, and the transmission component 10 is movably connected between the fixing component 3 and the backrest component 8;

the space walker 2 is used for leg movement of diabetics, the shaking assembly 4 is used for arm joint movement, the fixing assembly 3 is used for connecting and driving the shaking assembly 4 and the driving assembly 10, the lifting assembly 5 is used for fixing pedals of the space walker 2 and supporting the seat assembly 6, the seat assembly 6 is used for patients to sit, the armrest rods 7 are used for armrests of the patients, the backrest assembly 8 is used for backrest of the patients, the fixing rod 9 is used for fixing the position of the backrest, and the driving assembly 10 is used for connecting and driving the fixing assembly 3 and the backrest assembly 8.

Preferably, the base assembly 1 further comprises a base 101, a base cross rod 102 is fixedly installed inside the base 101, and a transmission shaft fixing pile 103, a driven rack fixing plate 104 and a backrest fixing pile 105 are fixedly installed on the lower surface of the base 101 for fixing related components.

Preferably, the fixing component 3 further includes a fixing column 301, the fixing column 301 is fixedly mounted on the upper surface of the base 101, a connecting column 302 is fixedly mounted on the upper surface of the fixing column 301, a cap 303 is fixedly mounted on the upper surface of the connecting column 302, the fixing column 301 and the inside of the connecting column 302 are sleeved with a transmission rod 304 through a bearing, and the cap 303 is used for sealing holes in the upper surfaces of the connecting column 302 and the fixing column 301 to prevent dust and rainwater from entering.

Preferably, the inside of the rocking component 4 further includes a crank column 401, the crank column 401 is fixedly installed inside the connecting column 302, a transmission column 402 is installed inside the crank column 401 through a bearing, one end of the transmission column 402 located inside the connecting column 302 is fixedly installed with a transmission tooth 403, the other end of the transmission column 402 is fixedly installed with a rocking disk 404, a handle fixing pile 405 is fixedly installed inside the rocking disk 404, a handle rod 406 is movably sleeved on the outer surface of the handle fixing pile 405, a handle sleeve 407 is sleeved on the outer surface of the middle position of the handle rod 406, the handle rod 406 is driven to swing through rocking the handle sleeve 407, since the handle rod 406 is connected with the rocking disk 404 through the handle fixing pile 405, the transmission column 402 connects the rocking disk 404 with the transmission tooth 403, the transmission tooth 403 is driven to rotate along with the swinging of the handle rod 406, and the transmission gear 403 is engaged with one end of the transmission rod 304 for transmission, so that the transmission rod 304 rotates inside the fixed column 301.

Preferably, the lifting assembly 5 further comprises a seat lifting plate 501, a lifting fixing column 502 and a pedal fixing lifting plate 503 inside, the lifting fixing column 502 is movably installed inside the base 101, the seat lifting plate 501 is fixedly sleeved on the outer surface of the lifting fixing column 502, the two pedal fixing lifting plates 503 are fixedly sleeved on the outer surface of the lifting fixing column 502 and located on two sides of the seat lifting plate 501, a pedal fixing block 504 is movably mounted at one end of the pedal fixing lifting plate 503, the lifting fixing column 502 is used for fixing one end of the seat lifting plate 501 and one end of the pedal fixing lifting plate 503 inside the base 101, the pedal fixing block 504 is used for fixing a pedal of the spacewalk machine, the pedal fixing lifting plate 503 is used for lifting the pedal fixing block 504, and the seat lifting plate 501 is used for lifting related components of the seat assembly 6.

Preferably, the seat assembly 6 further includes a seat 601 and a seat head fixing column 607, the seat head fixing column 607 is fixedly installed at one end of the seat lifting plate 501, the seat 601 is movably sleeved on an outer surface of the seat head fixing column 607, a lower seat fixing pile 602 is fixedly installed at a middle position of a lower surface of the seat 601, a lower seat fixing column 603 is fixedly installed between the two lower seat fixing piles 602, a seat lifting rod 604 is movably sleeved on an outer surface of the lower seat fixing column 603, a backrest driving column 605 is fixedly installed at a middle position of the seat lifting rod 604, backrest driving rods 606 are movably sleeved at two ends of the backrest driving column 605, the seat head fixing column 607 is used for connecting the seat 601 and the seat lifting plate 501 together, and the seat lifting rod 604 is used for lifting the seat.

Preferably, the backrest assembly 8 further includes a backrest bottom plate 801, a threaded rod 803 and massage wheels 805, two sides of one end of the backrest bottom plate 801 are movably sleeved inside the backrest fixing pile 105, the other end of the backrest bottom plate 801 is fixedly provided with a backrest frame 802, two sides of the other end of the backrest bottom plate 801 are rotatably connected with the other end of the backrest belt moving rod 606, the threaded rod 803 is installed at the center positions of the backrest bottom plate 801 and the backrest frame 802 in a penetrating manner, one end of the threaded rod 803 is embedded in the inner wall of one end of the backrest frame 802 through a bearing, the outer surface of the threaded rod 803 is sleeved with a massage column 804 through a thread, two ends of the massage column 804 are movably clamped on two sides of the inner wall of the backrest frame 802, the four massage wheels 805 are sleeved on the outer surface of the massage column 804 through bearings, the rotation of the threaded rod 803 drives the massage column 804 to move up and down inside the backrest frame 802, the massage wheel 805 massages the back of the human body back and forth along with the up-and-down movement of the massage column 804.

Preferably, the transmission assembly 10 further includes a transmission shaft 1001 and a driven toothed bar 1004, the outer surface of the transmission shaft 1001 is movably sleeved inside the transmission shaft fixing pile 103, two ends of the transmission shaft 1001 are engaged with the other end of the transmission rod 304 for transmission, a transmission gear 1002 is fixedly sleeved in the middle of the transmission shaft 1001, the driven toothed bar 1004 is movably sleeved inside the driven toothed bar fixing plate 104, one end of the driven toothed bar 1004 is fixedly provided with a driven gear 1003, the transmission gear 1002 is engaged with the driven gear 1003 for transmission, the other end of the driven toothed bar 1004 is movably sleeved with a sleeve pile 1005, a sleeve pile connecting rod 1006 is movably connected between the two sleeve piles 1005, the sleeve pile 1005 at the other end of the sleeve pile connecting rod 1006 is movably sleeved on the other end of the threaded rod 803, two ends of the transmission shaft 1001 are engaged with the other end of the transmission rod 304 for transmission, and the transmission shaft 1001 rotates along with the rotation of the transmission rod 304, the transmission gear 1002 fixedly installed at the middle position of the transmission shaft 1001 rotates along with the rotation, since the transmission gear 1002 is in mesh transmission with the slave gear 1003, the slave gear 1003 is fixedly installed at one end of the slave toothed bar 1004, the slave toothed bar 1004 rotates along with the rotation, the screw rod 803 and the slave toothed bar 1004 are connected together through the studs 1005 at both ends of the stud connecting bar 1006, and the screw rod 803 also rotates along with the rotation.

In summary, in the body exercising device for diabetic provided by the present invention, when working, the backrest frame 802 is lifted to push the backrest driving rods 606 connected to the two ends of the backrest bottom plate 801 to erect the seat lifting rods 604, thereby supporting the seat 601, the seat 601 is lifted to push the seat lifting plate 501 to erect through the seat 601, the pedal fixing lifting plate 503 is connected to the two sides of the seat lifting plate 501, so the pedal fixing lifting plate 503 is erected, the pedal fixing block 504 positioned at the upper end of the pedal fixing lifting plate 503 is contacted with the pedal of the spacewalk machine 2, so that the pedal is fixed without sloshing, the fixing rod 9 is pushed into the slot hole to prevent the backrest bottom plate 801 from falling down, the patient sits on the seat 601 and puts the foot on the pedal fixed by the pedal fixing block 504, the handle rod is pulled out from the shaking plate 404, the outer surface of the handle cover 407 is held by both hands to shake in the same direction to rotate the shaking plate 404, since the transmission column 402 connects the swing disc 404 and the transmission teeth 403 together, the transmission teeth 403 rotate along with the rotation of the swing disc 404, the transmission teeth 403 are in meshing transmission with one end of the transmission rod 304, the other end of the transmission rod 304 is in meshing transmission with the transmission shaft 1001, the transmission gear 1002 is in meshing transmission with the slave gear 1003, the slave gear 1003 also rotates along with the rotation of the transmission teeth 403, the slave toothed bar 1004 connected with the slave gear 1003 rotates along with the slave gear 1003, and the studs 1005 are connected to two ends of the stud connecting rod 1006 and are respectively connected with the slave gears 1003 and 803, so the threaded rod 803 rotates along with the rotation of the slave gear 1003, the massage column 804 is driven to move up and down inside the backrest frame 802 along with the rotation of the threaded rod 803, and the massage wheel 805 massages back and forth on the back of a patient along with the up and down movement of the massage column 804.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A limb exercise device for diabetics comprises a base component (1), a space walker (2), a grab bar (7) and a fixed bar (9), and is characterized by also comprising a fixed component (3), a shaking component (4), a lifting component (5), a seat component (6), a backrest component (8) and a transmission component (10);

the space walker (2) is fixedly arranged in the middle of the upper surface of the base component (1), the two fixing components (3) are fixedly arranged on the upper surfaces of the two base components (1), the shaking component (4) is rotatably arranged on the inner side of the fixing component (3), the lifting component (5) and the seat component (6) are embedded in the middle of the upper surface of the base component (1), the handrail rod (7) is fixedly connected between the fixing component (3) and the base component (1), the backrest component (8) is rotatably arranged in the base component (1), the fixing rod (9) is embedded and sleeved on one side surface of the base component (1), and the transmission component (10) is movably connected between the fixing component (3) and the backrest component (8);

the space walker (2) is used for leg movement of diabetics, the shaking assembly (4) is used for arm joint movement, the fixing assembly (3) is used for connecting and driving the shaking assembly (4) and the transmission assembly (10), the lifting assembly (5) is used for fixing a pedal of the space walker (2) and supporting the seat assembly (6), the seat assembly (6) is used for sitting of the diabetics, the armrest rod (7) is used for armrest of the diabetics, the backrest assembly (8) is used for backrest of the diabetics, the fixing rod (9) is used for fixing the position of the backrest, and the transmission assembly (10) is used for connecting and driving the fixing assembly (3) and the backrest assembly (8).

2. The limb exercising device for the diabetics according to the claim 1, characterized in that the base assembly (1) further comprises a base (101) inside, a base cross bar (102) is fixedly installed inside the base (101), and a transmission shaft fixing pile (103), a slave rack fixing plate (104) and a backrest fixing pile (105) are fixedly installed on the lower surface of the base (101).

3. The limb exercising device for the diabetics as claimed in claim 2, wherein the fixing component (3) further comprises a fixing column (301), the fixing column (301) is fixedly installed on the upper surface of the base (101), a connecting column (302) is fixedly installed on the upper surface of the fixing column (301), a cap (303) is fixedly installed on the upper surface of the connecting column (302), and a transmission rod (304) is sleeved inside the fixing column (301) and the connecting column (302) through a bearing.

4. The limb exercising device for the diabetics as claimed in claim 3, wherein the rocking component (4) further comprises a crank column (401) inside, the crank column (401) is fixedly installed on the inner side of the connecting column (302), a transmission column (402) is installed inside the crank column (401) through a bearing, the transmission column (402) is located at one end inside the connecting column (302) and is fixedly provided with transmission teeth (403), the other end of the transmission column (402) is fixedly provided with a rocking disk (404), a handle fixing pile (405) is fixedly installed inside the rocking disk (404), a handle rod (406) is movably sleeved on the outer surface of the handle fixing pile (405), and a handle sleeve (407) is sleeved on the outer surface of the middle position of the handle rod (406).

5. The limb exercising device for diabetics according to claim 4, wherein the lifting assembly (5) further comprises a seat lifting plate (501), a lifting fixing column (502) and pedal fixing lifting plates (503), the lifting fixing column (502) is movably mounted inside the base (101), the seat lifting plate (501) is fixedly sleeved on the outer surface of the lifting fixing column (502), the two pedal fixing lifting plates (503) are fixedly sleeved on the outer surface of the lifting fixing column (502) and located on two sides of the seat lifting plate (501), and a pedal fixing block (504) is movably mounted at one end of the pedal fixing lifting plate (503).

6. The limb exercising device for the diabetics as claimed in claim 5, wherein the seat assembly (6) further comprises a seat (601) and a seat head fixing column (607), the seat head fixing column (607) is fixedly installed at one end of the seat lifting plate (501), the seat (601) is movably sleeved on the outer surface of the seat head fixing column (607), a lower seat fixing pile (602) is fixedly installed at the middle position of the lower surface of the seat (601), a lower seat fixing column (603) is fixedly installed between the two lower seat fixing piles (602), a seat lifting rod (604) is movably sleeved on the outer surface of the lower seat fixing column (603), a backrest driving column (605) is fixedly installed at the middle position of the seat lifting rod (604), and backrest driving columns (606) are movably sleeved at two ends of the backrest driving column (605).

7. The limb exercise device for diabetics as claimed in claim 6, wherein the backrest assembly (8) further comprises a backrest bottom plate (801), a threaded rod (803) and a massage wheel (805), two sides of one end of the backrest bottom plate (801) are movably sleeved inside the backrest fixing pile (105), the other end of the backrest bottom plate (801) is fixedly provided with a backrest frame (802), two sides of the other end of the backrest bottom plate (801) are rotatably connected with the other end of the backrest belt moving rod (606), the threaded rod (803) is installed in the central positions of the backrest bottom plate (801) and the backrest frame (802) in a penetrating manner, one end of the threaded rod (803) is embedded in the inner wall of one end of the backrest frame (802) through a bearing, the outer surface of the threaded rod (803) is sleeved with a massage column (804) through a thread, two ends of the massage column (804) are movably clamped on two sides of the inner wall of the backrest frame (802), the four massage wheels (805) are sleeved on the outer surface of the massage column (804) through bearings.

8. The limb exercise device for diabetics as claimed in claim 7, wherein the transmission assembly (10) further comprises a transmission shaft (1001) and a driven toothed bar (1004), the outer surface of the transmission shaft (1001) is movably sleeved inside the transmission shaft fixing pile (103), two ends of the transmission shaft (1001) are in meshing transmission with the other end of the transmission rod (304), a transmission gear (1002) is fixedly sleeved in the middle of the transmission shaft (1001), the driven toothed bar (1004) is movably sleeved inside the driven toothed bar fixing plate (104), a driven gear (1003) is fixedly installed at one end of the driven toothed bar (1004), the transmission gear (1002) is in meshing transmission with the driven gear (1003), a sleeve pile (1005) is movably sleeved at the other end of the driven toothed bar (1004), and a sleeve pile connecting rod (1006) is movably connected between two sleeve piles (1005), the sleeve pile (1005) at the other end of the sleeve pile connecting rod (1006) is movably sleeved at the other end of the threaded rod (803).