CN111700779A

CN111700779A - Orthopedic rehabilitation walking aid device

Info

Publication number: CN111700779A
Application number: CN202010728683.8A
Authority: CN
Inventors: 陈小鲜; 黄丽丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2020-09-25

Abstract

The invention relates to the field of medical instruments, in particular to an orthopedic rehabilitation walking aid device, which comprises a left supporting part, a right supporting part, an upper connecting cross rod and a lower connecting cross rod, wherein the left supporting part and the right supporting part are symmetrically arranged; the two ends of the upper connecting cross rod and the lower connecting cross rod are respectively connected with the left supporting part and the right supporting part; the left supporting part comprises two supporting leg assemblies, a handrail cross rod, two spring assemblies and a sliding rail connecting assembly, and the upper parts of the two supporting leg assemblies are connected through the handrail cross rod. When the device is placed on an uneven road surface, one of the supporting leg assemblies is not contacted with the ground, the other supporting leg assembly connected with the supporting leg assembly can push the sliding rail connecting assembly to push the supporting leg assembly to move towards one side of the supporting leg assembly not contacted with the ground and drive the supporting leg assembly to move downwards so as to be contacted with the ground, a static state is achieved, and when the device is taken up, the supporting leg assembly is reset through the spring assembly. The self-adjustment of each supporting leg assembly ensures that each supporting leg assembly is contacted with the ground during walking, and the structure is more stable.

Description

Orthopedic rehabilitation walking aid device

Technical Field

The invention relates to the field of medical instruments, in particular to an orthopedic rehabilitation walking aid device.

Background

In the prior art, there are various orthopedic rehabilitation walking aids, for example, chinese patent application No. 202010116281.2 discloses an automatic adjustment walking aid, which includes four support tubes, the four support tubes are respectively inserted and sleeved at two ends of two handle sleeves, each support tube is inserted and sleeved on a support leg, and the support leg is provided with an automatic adjustment mechanism; a first pin hole is formed at the lower end of the supporting tube, and a plurality of second pin holes are formed on the branch tube of the foot; the automatic adjusting mechanism comprises a cylinder fixed at the port of each supporting tube, a bolt hole is formed in each cylinder, a bolt is sleeved in each bolt hole, the bolt penetrates through a first pin hole and one of second pin holes, a reset pressure spring is clamped between the other end of the bolt and the supporting tube, wedge blocks are sleeved in the middle of the bolt, the two wedge blocks are respectively fixed at the two ends of a pull rope, and the middle of the pull rope is tensioned on a manual tensioning mechanism; a second spring is clamped between the column body and the bottom of the branch pipe. The invention can automatically adjust the extending length of the supporting foot through the manual tensioning mechanism, and is suitable for people with different heights. For another example, chinese patent No. 201911385317.0 discloses a walking aid, which includes left and right brackets and a connecting rod connecting the brackets, the connecting rod is connected to the brackets through a universal device, and the universal device enables one bracket to move independently relative to the other bracket. The walking aid provided by the invention has the advantages of simple structure, good stability, convenience in operation and safety in use. The two supporting legs are both four-leg supporting mechanisms, so that the stability is good, but when the vehicle runs on an uneven road surface, the four supporting legs cannot be ensured to be completely contacted with the ground, and the safety performance cannot be guaranteed.

Disclosure of Invention

The invention provides an orthopedic rehabilitation walking aid device, which aims to solve the problem of poor safety performance when walking on an uneven road surface.

The invention relates to an orthopedic rehabilitation walking aid device, which adopts the following technical scheme:

an orthopedic rehabilitation walking aid device comprises a left supporting part, a right supporting part, an upper connecting cross rod and a lower connecting cross rod which are symmetrically arranged; the upper connecting cross rod extends along the left-right direction, and two ends of the upper connecting cross rod are arranged at the upper parts of the left supporting part and the right supporting part; the lower connecting cross rod extends along the left-right direction, is positioned below the upper connecting cross rod, and is respectively arranged on the left supporting part and the right supporting part at two ends; the left support part comprises two support leg assemblies, a handrail cross rod, two spring assemblies and a slide rail connecting assembly, and the upper parts of the two support leg assemblies are connected through the handrail cross rod; each supporting leg assembly comprises a telescopic supporting rod and a supporting vertical pipe, and the telescopic supporting rod is inserted into the lower end of the supporting vertical pipe; the spring assembly is arranged in the support vertical pipe and is connected with the telescopic support rod and the support vertical pipe so as to drive the telescopic support rod to reset after the telescopic support rod moves along the axis of the support vertical pipe relative to the support vertical pipe; the slide rail connecting assembly comprises a slide rail transverse connecting rod, a slide rod and two slide rod linkage adjusting rods, the slide rail transverse connecting rod extends along the front-back direction, and two ends of the slide rail transverse connecting rod are respectively connected to the two supporting vertical pipes; the slide bar is movably sleeved on the slide rail transverse connecting rod along the front-back direction; one end of each of the two slide bar linkage adjusting rods is hinged to two ends of each of the slide bars, and the other end of each of the two slide bar linkage adjusting rods is hinged to the two telescopic supporting rods.

Optionally, each support leg assembly further comprises a lifting device and a connection support tube connected to the upper end of the lifting device, wherein the lifting device is arranged on the upper side of the support vertical tube to drive the connection support tube to ascend or descend; the front end and the rear end of the handrail cross rod are respectively connected with the two corresponding connecting supporting pipes, and the left end and the right end of the upper connecting cross rod are respectively connected with the two connecting supporting pipes on the front side.

Optionally, the support vertical pipe comprises a spring mounting base, a lower welding pipe, a middle welding pipe and a telescopic rod guide support base, wherein the spring mounting base is sleeved on the telescopic support rod and is arranged at the lower end of the lower welding pipe; the upper end of the lower welding pipe is connected with the lower end of the telescopic rod guide supporting seat; the lower end of the middle welding pipe is connected with the upper end of the telescopic rod guide supporting seat; the lifting device is arranged on the upper side of the middle welding pipe; the spring assembly comprises an upper compression spring and a lower compression spring, the upper compression spring is located above the lower compression spring, a sliding support seat is fixed on the upper portion of the telescopic support rod, the upper end of the sliding support seat is connected with the lower end of the upper compression spring, the lower end of the sliding support seat is connected with the lower compression spring, the lower end of the lower compression spring is connected with the spring mounting base, and the upper end of the upper compression spring is connected with the lower end of the telescopic rod guide support seat.

Optionally, the lifting device comprises a lead screw drive rod and a rocking handle; the support vertical pipe further comprises an upper welding pipe, a screw nut and a screw guide supporting seat, the upper end of the middle welding pipe is connected with the lower part of the screw nut, the lower end of the upper welding pipe is connected with the upper part of the screw nut, and the upper end of the upper welding pipe is connected with the lower end of the screw guide supporting seat; the screw rod transmission rod penetrates through the screw rod guide supporting seat, the thread part at the lower part of the screw rod transmission rod is arranged in the screw rod nut, the upper end of the screw rod transmission rod is fixedly connected with the rocking handle, and the connection supporting tube is rotatably arranged at the upper end of the screw rod transmission rod.

Optionally, the screw transmission rod comprises a screw, a lower screw welding pipe, an upper screw welding pipe, a support seat and a rocking handle mounting seat; the lower end of the screw rod is arranged in the telescopic supporting rod and is arranged in the screw rod nut, and the screw rod nut rotates in the screw rod nut to move up and down; the lower end of the lower lead screw welding pipe is connected with the upper end of the lead screw, and the upper end of the lower lead screw welding pipe extends out of the lead screw guide supporting seat and is connected with the lower end of the supporting seat; the lower end of the welding pipe on the screw rod is connected with the upper end of the supporting seat, and the upper end of the welding pipe on the screw rod is connected with the lower end of the rocking handle mounting seat; one end of the rocking handle, which is far away from the handle, is arranged at the upper end of the rocking handle mounting seat through the rocking handle fixing nut; the connecting support pipe is sleeved on the lead screw and welded with the pipe.

Optionally, the connection support tube comprises a welding tube, a lower guide support seat and an upper guide support seat, and the lower guide support seat is arranged above the support seat; the lower end of the welding pipe is connected with the lower guide supporting seat, and the upper end of the welding pipe is connected with the upper guide supporting seat; the upper guide supporting seat is arranged at the lower end of the rocking handle mounting seat.

Optionally, two ends of the upper connecting cross rod are respectively and rotatably mounted on the upper parts of the left support part and the right support part; the left end of the lower connecting cross rod is fixed on the left supporting part, and the right end of the lower connecting cross rod is hinged to the right supporting part; or the left end of the lower connecting cross rod is hinged to the left supporting part, and the right end of the lower connecting cross rod is fixed to the right supporting part.

Optionally, the orthopaedic rehabilitation walking aid device further comprises a fixed mounting bracket, a sixth welding bracket, a bolt assembly and two quick-release pins, wherein the fixed mounting bracket is fixed on the outer circumference of an upper welding pipe of the supporting leg assembly on the left front side; the sixth welding bracket is fixed on the outer circumference of an upper welding pipe of the supporting leg assembly on the right front side; the left end of the lower connecting cross rod is fixedly connected with the fixed mounting support through two oppositely mounted quick-release pins, and the right end of the lower connecting cross rod is hinged with the sixth welding support through a bolt assembly.

Optionally, the slide rail connecting assembly further comprises two dustproof bellows, two oil seal rings, an oil filling nozzle and two bellows fixing clamps, wherein the oil filling nozzle is arranged above the outer peripheral surface of the slide rod, and lubricating oil can enter between the slide rail transverse connecting rod and the circular slide rod through the oil filling nozzle; the oil seal ring is sleeved on the transverse connecting rod of the slide rail and arranged at two ends of the slide rod; two dustproof corrugated pipes are arranged on two sides of the sliding rod, one end of each dustproof corrugated pipe is sleeved on the transverse connecting rod of the sliding rail, and the other end of each dustproof corrugated pipe is fixed to one end, close to the sliding rod, of the sliding rod through a corrugated pipe fixing clamp.

Optionally, the outer contour of the cross section of the transverse connecting rod of the slide rail is circular, and the slide rod is a circular loop rod; or the outer contour of the cross section of the transverse connecting rod of the slide rail can also be square, and the slide rod is a square loop rod.

The invention has the beneficial effects that:

when the device is placed on uneven road surfaces, one supporting leg assembly does not contact the ground, the telescopic supporting rod of the other supporting leg assembly connected with the supporting leg assembly through the sliding rail connecting assembly is stressed to move upwards, the sliding rod is pushed to move towards one side of the supporting leg assembly which does not contact the ground through the sliding rod linkage adjusting rod, the sliding rod linkage adjusting rod connected with the supporting leg assembly which does not contact the ground drives the telescopic supporting rod of the supporting leg assembly to move downwards, the supporting leg assembly is made to contact the ground, a static state is reached, and when the device is taken up, the telescopic supporting rod is made to reset through the spring assembly. The self-adjustment of each supporting leg assembly ensures that each supporting leg assembly is contacted with the ground during walking, and the structure is more stable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of an embodiment of the orthopaedic rehabilitation walker device of the present invention;

FIG. 2 is an enlarged exploded view taken at I in FIG. 1;

FIG. 3 is an exploded view of a sliding track connection assembly of an embodiment of the orthopaedic rehabilitation walker device of the present invention;

FIG. 4 is a schematic view of the orthopedic rehabilitation walker device according to the present invention in self-adjustment on uneven road surface;

FIG. 5 is an enlarged sectional view taken at II in FIG. 4;

FIG. 6 is a schematic view of the self-adjustment of the orthopaedic rehabilitation walker device of the present invention during ascending stairs;

FIG. 7 is an enlarged sectional view taken at III in FIG. 6;

FIG. 8 is a schematic view of another configuration of a sliding rail connection assembly in an embodiment of the orthopaedic rehabilitation walker device of the present invention;

in the figure: 1. universal supporting legs; 2. a telescopic support rod; 201. sliding the supporting seat; 3. a spring mounting base; 4. fixing the mounting bracket; 5. a screw rod transmission rod; 501. a lead screw; 502. welding a pipe below the screw rod; 503. welding a pipe on the screw rod; 504. a supporting seat; 505. a rocking handle mounting base; 601. a fourth welding carriage; 602. a fifth welding carriage; 7. a rocking handle; 8. a handrail cross bar; 9. connecting the supporting tube; 901. welding the pipe; 902. a third welding stent; 903. a lower guide support seat; 904. an upper guide support seat; 10. the upper part is connected with a cross bar; 11. a second welding carriage; 12. supporting the vertical tube; 1201. lower welding the pipe; 1202. welding the pipe; 1203. welding a pipe; 1204. a first welding bracket; 1205. the telescopic rod is guided to the supporting seat; 1206. a lead screw nut; 1207. a lead screw guide supporting seat; 13. a slide rail transverse connecting rod; 14. a slide bar; 15. the slide bar is linked with the adjusting rod; 16. a sixth welding stent; 17. the lower connecting cross rod; 18. an upper compression spring; 19. a lower compression spring; 20. a rocking handle fixing nut; 21. the slide rail transverse connecting rod is connected with a bolt; 22. the slide bar linkage adjusting rod is connected with a bolt; 23. a quick release pin; 24. a dust-proof bellows; 25. an oil seal ring; 27. an oil injection nozzle; 26. a corrugated pipe fixing clamp; 28. a handrail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An embodiment of the orthopedic rehabilitation walking aid device of the invention, as shown in fig. 1 to 7, comprises a left supporting part and a right supporting part which are symmetrically arranged, an upper connecting cross rod 10 and a lower connecting cross rod 17. The upper connecting rail 10 extends in the left-right direction, and both ends of the upper connecting rail 10 are respectively rotatably mounted on the upper portions of the left and right support portions. The lower connecting rail 17 extends in the left-right direction, and the lower connecting rail 17 is positioned below the upper connecting rail 10. Two ends of the lower connecting cross rod 17 are respectively arranged on the left supporting part and the right supporting part, the left end of the lower connecting cross rod is fixed on the left supporting part, and the right end of the lower connecting cross rod is hinged on the right supporting part; or the left end of the lower connecting cross rod is hinged to the left supporting part, and the right end of the lower connecting cross rod is fixed to the right supporting part.

The left support part comprises two support leg assemblies, a handrail cross rod 8, two spring assemblies and a sliding rail connecting assembly. The upper portions of the two supporting leg assemblies are connected through the handrail cross rod 8, the lower portions of the two supporting leg assemblies are connected through the sliding rail connecting assembly, and the two spring assemblies are arranged inside the two supporting leg assemblies respectively. Each supporting leg assembly comprises a telescopic supporting rod 2 and a supporting vertical pipe 12. The telescopic support rod 2 is inserted into the lower end of the support vertical pipe 12. The spring assembly is arranged in the support vertical pipe 12 and is connected with the telescopic support rod 2 and the support vertical pipe 12 so as to enable the telescopic support rod 2 to reset after the telescopic support rod 2 moves relative to the support vertical pipe 12 along the axis of the support vertical pipe 12. The slide rail connecting assembly comprises a slide rail transverse connecting rod 13, a slide rod 14 and two slide rod linkage adjusting rods 15, the slide rail transverse connecting rod 13 extends along the front-back direction, and two ends of the slide rail transverse connecting rod 13 are respectively connected to the two supporting vertical pipes 12; the slide bar 14 is movably sleeved on the slide rail transverse connecting rod 13 along the front-back direction; one end of each of the two slide bar linkage adjusting rods 15 is hinged to two ends of the slide bar 14, and the other end of each of the two slide bar linkage adjusting rods is hinged to the two telescopic supporting rods 2.

When the device is placed on uneven roads, one of the supporting leg assemblies is not contacted with the ground, the telescopic supporting rod 2 of the other supporting leg assembly connected with the supporting leg assembly through the sliding rail connecting assembly is stressed to move upwards, the sliding rod 14 is pushed to move towards one side of the supporting leg assembly not contacted with the ground through the sliding rod linkage adjusting rod 15, the sliding rod linkage adjusting rod 15 connected with the supporting leg assembly not contacted with the ground drives the telescopic supporting rod 2 of the supporting leg assembly to move downwards, the supporting leg assembly is made to be contacted with the ground, height difference H1 is generated between the other supporting leg assembly connected with the supporting leg assembly through the sliding rail connecting assembly, a static state is reached, and when the device is taken up, the telescopic supporting rod 2 is. The self-adjustment of each supporting leg assembly ensures that each supporting leg assembly is contacted with the ground during walking, and the structure is more stable.

In this embodiment, every supporting leg subassembly still includes universal supporting legs 1, and universal supporting legs 1 is installed in 2 lower extremes of telescopic support pole, and with the ground contact increase friction, prevent to skid.

In this embodiment, the support vertical tube 12 is a segmented welded structure, and includes a spring-mounted base 3, a lower welded tube 1201, a middle welded tube 1202, an upper welded tube 1203, a telescopic rod guide support 1205, a screw nut 1206, and a screw guide support 1207. The spring installation base 3 is sleeved on the telescopic support rod 2 and is arranged at the lower end of the lower welding pipe 1201, and the upper end of the lower welding pipe 1201 is connected with the lower end of the telescopic rod guide support seat 1205; the lower end of the middle welding pipe 1202 is connected with the upper end of a telescopic rod guide supporting seat 1205, and the upper end is connected with the lower part of a screw nut 1206; the lower end of the upper welding pipe 1203 is connected with the upper part of the screw nut 1206, and the upper end is connected with the lower end of the screw guide supporting seat 1207. The spring assembly includes an upper compression spring 18 and a lower compression spring 19, the upper compression spring 18 being located above the lower compression spring 19. The upper part of the telescopic support rod 2 is fixed with a sliding support seat 201, the sliding support seat 201 is positioned between the upper compression spring 18 and the lower compression spring 19, the upper end of the sliding support seat is connected with the lower end of the upper compression spring 18, and the lower end of the sliding support seat is connected with the lower compression spring 19. The lower end of the lower compression spring 19 is connected with the spring mounting base 3, and the upper end of the upper compression spring 18 is connected with the lower end of the telescopic rod guide supporting seat 1205. When the telescopic supporting rod 2 moves upwards, the upper compression spring 18 is pressed, and the lower compression spring 19 is stretched; when the telescopic support rod 2 moves downward, the lower compression spring 19 is pressed and the upper compression spring 18 is stretched.

In this embodiment, a first welding bracket 1204 is welded to the outer circumference of the lower welding pipe 1201, and a second welding bracket 11 is welded to the circumference of the rod section of the telescopic support rod 2 extending out of the vertical support tube 12. The slide rail connecting assembly further comprises a slide rail transverse connecting rod connecting bolt assembly 21 and a slide bar linkage adjusting rod connecting bolt assembly 22. The two ends of the slide rail cross link 13 are hinged to the corresponding first welding brackets 1204 through the slide rail cross link connecting bolt assemblies 21. One ends of the two slide bar linkage adjusting rods are respectively hinged to two ends of the slide bar 14 through the slide bar linkage adjusting rod connecting bolt assemblies 22, and the other ends of the two slide bar linkage adjusting rods are respectively hinged to the corresponding second welding supports 11 through the slide bar linkage adjusting rod connecting bolt assemblies 22.

In this embodiment, each support leg assembly further comprises a screw transmission rod 5, a rocking handle 7 and a connection support tube 9, wherein the lower part of the screw transmission rod 5 is installed in the support vertical tube 12, and the lower part of the screw transmission rod 5 is installed in the screw nut 1206. The upper end of the screw rod transmission rod 5 is fixedly connected with the rocking handle 7, and the connection supporting tube 9 is rotatably arranged at the upper end of the screw rod transmission rod 5. The front and rear ends of the handrail cross rod 8 are respectively connected with two corresponding connecting and supporting pipes 9, and the left and right ends of the upper connecting cross rod 10 are respectively connected with two connecting and supporting pipes 9 on the front side. The rocking handle 7 is rotated to drive the screw rod transmission rod 5 to move upwards or downwards relative to the vertical support pipe 12, so as to drive the handrail cross rod 8 and the upper connecting cross rod 10 to move upwards or downwards, and the height of the orthopaedic rehabilitation walking aid device is adjusted.

The screw rod transmission rod 5, the rocking handle 7 and the like can form a lifting device, and due to the lifting device, when the device is used for climbing stairs or climbing slopes, such as the stairs with the height difference of H2, if the adjustable stroke of the spring component and the slide rail connecting component is not enough to compensate the height difference, the rocking handle 7 is rotated, the effective length of the screw rod transmission rod 5 of the two supporting leg components at the front side is shortened to L1, the effective length of the screw rod transmission rod 5 of the two supporting leg components at the rear side is increased to L2, the height difference of the steps H2 is compensated through the difference between L2 and L1, the adjustment range of the device is increased, and the stair climbing or slope climbing function is realized.

In this embodiment, the telescopic supporting rod 2 is a tubular structure, and in an initial state, the upper end of the telescopic supporting rod 2 extends out of the telescopic rod guiding supporting seat 1205, the lower end of the screw rod transmission rod 5 is inserted into the upper end of the telescopic supporting rod 2, the telescopic supporting rod 2 does not affect the position of the screw rod transmission rod 5 when moving upwards or downwards, and the position of the telescopic supporting rod 2 is not affected when the screw rod transmission rod 5 moves upwards or downwards.

In this embodiment, the lead screw transmission rod 5 includes a lead screw 501, a lead screw lower welded pipe 502, a lead screw upper welded pipe 503, a support base 504, and a crank mounting base 505. The lower end of the screw 501 is inserted into the telescopic support rod 2, and is mounted on a screw nut 1206, and the screw nut 1206 rotates to move up and down. The lower end of the lower lead screw welding pipe 502 is connected with the upper end of the lead screw 501, and the upper end of the lower lead screw welding pipe 502 extends out of the lead screw guide supporting seat 1207 and is connected with the lower end of the supporting seat 504. The lower end of the welding pipe 503 on the screw rod is connected with the upper end of the supporting seat 504, and the upper end of the welding pipe 503 on the screw rod is connected with the lower end of the rocking handle mounting seat 505. The end of the rocking handle 7 away from the handle is mounted on the upper end of the rocking handle mounting seat 505 by the rocking handle fixing nut 20.

The connection support tube 9 comprises a welding tube 901, a lower guide support seat 903 and an upper guide support seat 904, wherein the lower guide support seat 903 is arranged above the support seat 504; the lower end of the welded pipe 901 is connected to the lower guide support 903, and the upper end is connected to the upper guide support 904. An upper guide support 904 is mounted to the lower end of the rocker arm mount 505. When the rocking handle 7 is rotated, the screw 501 rotates relative to the screw nut 1206, so as to drive the screw transmission rod 5 to move up and down, and the supporting seat 504 drives the connecting supporting tube 9 to move up and down.

In the left support portion, a third welding bracket 902 is provided on the connection support pipe 9 on the rear side, and a fourth welding bracket 601 is provided on the connection support pipe 9 on the front side. The third welding holder 902 and the fourth welding holder 601 are fixed to the outer circumferential surfaces of the respective welding pipes 901. The front end of the handrail cross rod 8 is fixedly connected with the fourth welding bracket 601, and the rear end is hinged with the third welding bracket 902.

Further, a fifth welding bracket 602 is further disposed on the connection support tube 9 on the front side, the fifth welding bracket 602 is located below the fourth welding bracket 601, and the left and right ends of the upper connection cross rod 10 are respectively hinged to the two fifth welding brackets 602.

In this embodiment, the orthopaedic rehabilitation walking aid device further comprises a fixed mounting bracket 4, a sixth welding bracket 16, a bolt assembly and two quick-release pins 23, wherein the fixed mounting bracket 4 is fixed on the outer circumference of the upper welding pipe 1203 of the left front leg assembly; a sixth weld bracket 16 is secured to the outer circumference of the upper weld tube 1203 of the right front support leg assembly. The left end of the lower connecting cross rod 17 is fixedly connected with the fixed mounting support 4 through two oppositely mounted quick-release pins 23, and the right end of the lower connecting cross rod is hinged with the sixth welding support 16 through a bolt assembly. Because lower connection horizontal pole 17 is fixed connection with the left front support leg subassembly, the trapezoidal four-bar linkage that two support leg subassemblies in front side, upper connection horizontal pole 10 and lower connection horizontal pole 17 are statically determinate structure, and when recovered helping the capable device to idle, extract quick detach round pin 23, it is folding to control the articulated effect of two support portions accessible, is convenient for accomodate.

In this embodiment, the handrail 28 is fixedly sleeved on the handrail cross bar 8 at the middle position.

In this embodiment, the fixed mounting bracket 4, the first welding bracket 1204, the second welding bracket 11, the third welding bracket 902, the fourth welding bracket 601, the fifth welding bracket 602, and the sixth welding bracket 16 are all U-shaped structures, wherein two through holes are drilled on the side surfaces of the fixed mounting bracket 4 and the fourth welding bracket 601, so that the brackets are fixedly connected with corresponding members through two quick release pins 23 or two bolt assemblies; the first welding bracket 1204, the second welding bracket 11, the third welding bracket 902, the fifth welding bracket 602 and the sixth welding bracket 16 are provided with a through hole at the side thereof so that the brackets are hinged with the respective members by a bolt assembly.

In this embodiment, as shown in fig. 8, the slide rail connecting assembly further includes two dust-proof bellows 24, two oil seals 25, an oil nozzle 27, and two bellows fixing clips 26. The oil injection nozzle 27 is arranged above the peripheral surface of the sliding rod 14, and lubricating oil can enter between the sliding rail transverse connecting rod 13 and the circular sliding rod 14 through the oil injection nozzle 27; the oil seal ring 25 is sleeved on the sliding rail transverse connecting rod 13 and is arranged at two ends of the sliding rod 14; two dustproof corrugated pipes 24 are arranged on two sides of the sliding rod 14, one end of each dustproof corrugated pipe 24 is sleeved on the sliding rail transverse connecting rod 13, and the other end of each dustproof corrugated pipe 24 is fixed at one end, close to the sliding rod 14, of the sliding rod 14 through a corrugated pipe fixing clamp 26. Further, the outer contour of the cross section of the slide rail transverse connecting rod 13 is circular, and the slide rod 14 is a circular loop rod. Alternatively, the outer profile of the cross section of the slide rail cross link 13 may be rectangular or square, and the slide bar 14 is a square loop bar.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An orthopedic rehabilitation walking aid device is characterized by comprising a left supporting part, a right supporting part, an upper connecting cross rod and a lower connecting cross rod which are symmetrically arranged; the upper connecting cross rod extends along the left-right direction, and two ends of the upper connecting cross rod are arranged at the upper parts of the left supporting part and the right supporting part; the lower connecting cross rod extends along the left-right direction, is positioned below the upper connecting cross rod, and is respectively arranged on the left supporting part and the right supporting part at two ends; the left support part comprises two support leg assemblies, a handrail cross rod, two spring assemblies and a slide rail connecting assembly, and the upper parts of the two support leg assemblies are connected through the handrail cross rod; each supporting leg assembly comprises a telescopic supporting rod and a supporting vertical pipe, and the telescopic supporting rod is inserted into the lower end of the supporting vertical pipe; the spring assembly is arranged in the support vertical pipe and is connected with the telescopic support rod and the support vertical pipe so as to drive the telescopic support rod to reset after the telescopic support rod moves along the axis of the support vertical pipe relative to the support vertical pipe; the slide rail connecting assembly comprises a slide rail transverse connecting rod, a slide rod and two slide rod linkage adjusting rods, the slide rail transverse connecting rod extends along the front-back direction, and two ends of the slide rail transverse connecting rod are respectively connected to the two supporting vertical pipes; the slide bar is movably sleeved on the slide rail transverse connecting rod along the front-back direction; one end of each of the two slide bar linkage adjusting rods is hinged to two ends of each of the slide bars, and the other end of each of the two slide bar linkage adjusting rods is hinged to the two telescopic supporting rods.

2. An orthopaedic rehabilitation walker device according to claim 1, wherein: each supporting leg assembly further comprises a lifting device and a connecting supporting tube connected to the upper end of the lifting device, and the lifting device is arranged on the upper side of the supporting vertical tube to drive the connecting supporting tube to ascend or descend; the front end and the rear end of the handrail cross rod are respectively connected with the two corresponding connecting supporting pipes, and the left end and the right end of the upper connecting cross rod are respectively connected with the two connecting supporting pipes on the front side.

3. An orthopaedic rehabilitation walker device according to claim 2, wherein: the support vertical pipe comprises a spring installation base, a lower welding pipe, a middle welding pipe and a telescopic rod guide support seat, wherein the spring installation base is sleeved on the telescopic support rod and is arranged at the lower end of the lower welding pipe; the upper end of the lower welding pipe is connected with the lower end of the telescopic rod guide supporting seat; the lower end of the middle welding pipe is connected with the upper end of the telescopic rod guide supporting seat; the lifting device is arranged on the upper side of the middle welding pipe; the spring assembly comprises an upper compression spring and a lower compression spring, the upper compression spring is located above the lower compression spring, a sliding support seat is fixed on the upper portion of the telescopic support rod, the upper end of the sliding support seat is connected with the lower end of the upper compression spring, the lower end of the sliding support seat is connected with the lower compression spring, the lower end of the lower compression spring is connected with the spring mounting base, and the upper end of the upper compression spring is connected with the lower end of the telescopic rod guide support seat.

4. An orthopaedic rehabilitation walker device according to claim 3, wherein: the lifting device comprises a screw rod transmission rod and a rocking handle; the support vertical pipe further comprises an upper welding pipe, a screw nut and a screw guide supporting seat, the upper end of the middle welding pipe is connected with the lower part of the screw nut, the lower end of the upper welding pipe is connected with the upper part of the screw nut, and the upper end of the upper welding pipe is connected with the lower end of the screw guide supporting seat; the screw rod transmission rod penetrates through the screw rod guide supporting seat, the thread part at the lower part of the screw rod transmission rod is arranged in the screw rod nut, the upper end of the screw rod transmission rod is fixedly connected with the rocking handle, and the connection supporting tube is rotatably arranged at the upper end of the screw rod transmission rod.

5. An orthopaedic rehabilitation walker device according to claim 4, wherein: the screw rod transmission rod comprises a screw rod, a screw rod lower welding pipe, a screw rod upper welding pipe, a supporting seat and a rocking handle mounting seat; the lower end of the screw rod is arranged in the telescopic supporting rod and is arranged in the screw rod nut, and the screw rod nut rotates in the screw rod nut to move up and down; the lower end of the lower lead screw welding pipe is connected with the upper end of the lead screw, and the upper end of the lower lead screw welding pipe extends out of the lead screw guide supporting seat and is connected with the lower end of the supporting seat; the lower end of the welding pipe on the screw rod is connected with the upper end of the supporting seat, and the upper end of the welding pipe on the screw rod is connected with the lower end of the rocking handle mounting seat; one end of the rocking handle, which is far away from the handle, is arranged at the upper end of the rocking handle mounting seat through the rocking handle fixing nut; the connecting support pipe is sleeved on the lead screw and welded with the pipe.

6. An orthopaedic rehabilitation walker device according to claim 5, wherein: the connecting support tube comprises a welding tube, a lower guide support seat and an upper guide support seat, and the lower guide support seat is arranged above the support seat; the lower end of the welding pipe is connected with the lower guide supporting seat, and the upper end of the welding pipe is connected with the upper guide supporting seat; the upper guide supporting seat is arranged at the lower end of the rocking handle mounting seat.

7. An orthopaedic rehabilitation walker device according to claim 6, wherein: two ends of the upper connecting cross rod are respectively arranged on the upper parts of the left supporting part and the right supporting part in a vertically rotatable manner; the left end of the lower connecting cross rod is fixed on the left supporting part, and the right end of the lower connecting cross rod is hinged to the right supporting part; or the left end of the lower connecting cross rod is hinged to the left supporting part, and the right end of the lower connecting cross rod is fixed to the right supporting part.

8. An orthopaedic rehabilitation walker device according to claim 7, wherein: the quick-release welding device is characterized by further comprising a fixed mounting bracket, a sixth welding bracket, a bolt assembly and two quick-release pins, wherein the fixed mounting bracket is fixed on the outer circumference of an upper welding pipe of the supporting leg assembly on the left front side; the sixth welding bracket is fixed on the outer circumference of an upper welding pipe of the supporting leg assembly on the right front side; the left end of the lower connecting cross rod is fixedly connected with the fixed mounting support through two oppositely mounted quick-release pins, and the right end of the lower connecting cross rod is hinged with the sixth welding support through a bolt assembly.

9. An orthopaedic rehabilitation walker device according to claim 1, wherein: the slide rail connecting assembly also comprises two dustproof corrugated pipes, two oil seal rings, an oil filling nozzle and two corrugated pipe fixing clamps, wherein the oil filling nozzle is arranged above the peripheral surface of the slide rod, and lubricating oil can enter between the slide rail transverse connecting rod and the circular slide rod through the oil filling nozzle; the oil seal ring is sleeved on the transverse connecting rod of the slide rail and arranged at two ends of the slide rod; two dustproof corrugated pipes are arranged on two sides of the sliding rod, one end of each dustproof corrugated pipe is sleeved on the transverse connecting rod of the sliding rail, and the other end of each dustproof corrugated pipe is fixed to one end, close to the sliding rod, of the sliding rod through a corrugated pipe fixing clamp.

10. An orthopaedic rehabilitation walker device according to claim 9, wherein: the outer contour of the cross section of the sliding rail transverse connecting rod is circular, and the sliding rod is a circular sleeve rod; or the outer contour of the cross section of the transverse connecting rod of the slide rail can also be square, and the slide rod is a square loop rod.