CN213311019U

CN213311019U - Wheelchair bearing frame

Info

Publication number: CN213311019U
Application number: CN202022005305.5U
Authority: CN
Inventors: 赵世伟; 孙军
Original assignee: Jiaxing Xiaoxiang Medical Instrument Technology Co ltd
Current assignee: Jiaxing Xiaoxiang Medical Instrument Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-06-01
Anticipated expiration: 2030-09-14

Abstract

The utility model provides a wheelchair bears support body, it has solved the relatively poor scheduling problem of wheelchair support body load-carrying capacity, it includes the support body, the support body includes the mounting base, the mounting base side is connected with at least a pair of universal wheel installation leg and drive wheel installation leg respectively, universal wheel installation leg and the relative mounting base place horizontal plane downward bending of drive wheel installation leg, universal wheel installation leg and drive wheel installation leg inboard are provided with strengthening rib structure, the mounting base center is provided with the battery installing port who link up. The utility model has the advantages of strong bearing capacity, stable structure and the like.

Description

Wheelchair bearing frame

Technical Field

The utility model belongs to the technical field of the wheelchair support body, concretely relates to wheelchair bears support body.

Background

Wheelchairs are chairs equipped with wheels to help replace walking and are classified into electric and manual folding wheelchairs. The wheelchair not only meets the requirements of physical disabilities and mobility-handicapped people for riding instead of walking, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can do physical exercises and participate in social activities by means of the wheelchair. The electric wheelchair is additionally provided with an electronic power assisting system on the basis of a common wheelchair, so that the physical consumption of a user is reduced. However, the wheelchair frame needs additional load-bearing batteries, which increases the load of the wheelchair frame, and the conventional wheelchair frame cannot meet the load requirement. In addition, the conventional large wheel type wheelchair is inconvenient to move and steer, large in size and large in occupied space.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a four-wheel push-pull wheelchair [201320357862.0], which comprises a steering machine member assembly consisting of a handlebar, a handlebar frame, a driving support frame and 2 front small wheels, a rear driving machine member assembly consisting of 2 rear large wheels and a rear crank shaft, a frame on which two machine member assemblies are erected, and a driving link rod, wherein the handlebar is arranged at the top of the handlebar frame, and the bottom end of the handlebar frame is connected to the inner side of a handlebar frame sleeve; the handlebar frame sleeve is respectively provided with a steering frame and a steering arm, the front end of the steering arm is provided with a front wheel hanging arm, the front wheel hanging arm is connected with a fork arm provided with a fork vertical shaft, the fork vertical shaft is arranged on the fork arm, the bottom of the fork vertical shaft is provided with a front fork, and a front wheel is arranged in the front fork; the driving frame is provided with a motion joint; the front end of the driving connecting rod is fixed in an E shaft of the motion joint, the rear end of the driving connecting rod is provided with a connecting rod sleeve, and a rear crankshaft sleeved in a rear shaft support sleeve is arranged in the connecting rod sleeve; the 2 rear large wheels are arranged on the rear crank shaft.

The problem of inconvenient etc. that turns to that above-mentioned scheme had solved too big leading to of wheel body to a certain extent, but this scheme still has a lot of deficiencies, for example, wheelchair support body bearing capacity scheduling problem inadequately.

Disclosure of Invention

The utility model aims at the above problem, provide a reasonable in design, wheelchair that load capacity is strong bears the support body.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this wheelchair bears support body, including the support body, the support body includes the mounting base, and the mounting base side is connected with at least a pair of universal wheel installation leg and drive wheel installation leg respectively, and the relative mounting base place horizontal plane downwarping of universal wheel installation leg and drive wheel installation leg, universal wheel installation leg and drive wheel installation leg inboard are provided with strengthening rib structure, and the mounting base center is provided with the battery installing port that link up. The mounting base and the battery mounting port at the center of the mounting base are used for bearing a battery, the universal wheels and the driving wheels are respectively mounted at the end parts of the universal wheel mounting legs and the driving wheel mounting legs, the whole mounting base is arched, and the mounting base is matched with an inner-side reinforcing rib structure, so that the whole weight is reduced, and meanwhile, the mounting base has better bearing capacity.

In foretell wheelchair bears support body, universal wheel installation leg end department is provided with the universal wheel mount pad, and it has the vertical universal wheel mounting hole that sets up of the central axis to open on the universal wheel mount pad, and the universal wheel mounting hole middle part is provided with spacing step along circumference encircleing, and universal wheel installation leg end department top is provided with the arc portion relative with the universal wheel mounting hole. The universal wheel mounting hole of the universal wheel mounting seat is vertically arranged, and the universal wheel rotates relative to the central axis of the universal wheel mounting seat to guide the wheelchair to move forward.

In the wheelchair carrying frame body, the end of the universal wheel mounting leg is connected with the pedal mounting seat, the pedal mounting seat is arranged on one side of the universal wheel mounting seat, the pedal mounting seats mounted on each pair of universal wheel mounting legs are arranged oppositely, a plane is arranged above each pedal mounting seat, and a plurality of pedal mounting holes are formed in one opposite side of each pedal mounting seat. The foot pedal mounting seat is used for mounting a foot pedal and is arranged on one side, opposite to the universal wheel mounting leg, of the universal wheel mounting leg to place the foot part, and normal rotation of the universal wheel is not affected.

In foretell wheelchair bears the support body, drive wheel installation leg end department is provided with the drive wheel mount pad, it has the drive wheel mounting hole that the central axis level set up to open on the drive wheel mount pad, drive wheel mounting hole inboard is provided with the drive wheel installation cover, drive wheel installation cover both ends outside evenly distributed has spacing sand grip, spacing sand grip is fixed relatively with the spacing section of thick bamboo in drive wheel mounting hole inboard middle part, drive wheel installation cover center is the bar through-hole, wherein the central axis of every drive wheel mounting hole and the bar through-hole of drive wheel installation leg end department is harmonious. The central axis of the driving wheel is matched with the central axis of the mounting hole of the driving wheel and the strip-shaped through hole, and the driving wheel drives the wheelchair to move forward and is relatively fixed with the wheelchair bearing frame body.

In the wheelchair carrying frame body, the end of the driving wheel mounting leg is connected with a fender mounting seat, the fender mounting seat is arranged on one side of the driving wheel mounting leg, the fender mounting seats mounted on each pair of driving wheel mounting legs are arranged in a back-to-back mode, and one end, far away from the driving wheel mounting legs, of the fender mounting seat is a plane and is provided with a plurality of fender mounting holes. The fender mounting seat is used for mounting a fender and is used for blocking sludge thrown out when the driving wheel rotates, so that the sludge can be conveniently splashed to two sides of the wheelchair bearing frame body.

In the wheelchair bearing frame body, battery mounting holes which are surrounded relative to the battery mounting opening are uniformly formed in the upper end of the mounting base. The battery mounting hole is connected with the battery thread, so that the battery and the wheelchair bearing frame body are relatively fixed, and the battery can be conveniently drawn out from the battery mounting hole when being disassembled.

In the wheelchair carrying frame body, the vertical height of the universal wheel mounting seat and the vertical height of the driving wheel mounting seat are greater than that of the mounting base, and the vertical height of the universal wheel mounting seat is greater than that of the driving wheel mounting seat. Sufficient space is left in front of the wheelchair bearing frame body for the universal wheel to rotate in the circumferential direction, and the height of the pedal mounting seat is raised to facilitate the stability of the gravity center of the wheelchair.

In the wheelchair carrying frame body, the universal wheel mounting seat and the driving wheel mounting seat are of solid structures, the pedal plate mounting seat, the fender plate mounting seat and the mounting base are of hollow structures with downward openings, and reinforcing rib structures are arranged on the inner sides of the pedal plate mounting seat and the mounting base. The solid structure improves the local quality of universal wheel mount pad and drive wheel mount pad, improves its local intensity.

In foretell wheelchair bears support body, the strengthening rib structure is including setting up the first strengthening rib at universal wheel erection leg and drive wheel erection leg extension top inboard center, the inboard second strengthening rib that distributes with first strengthening rib slope of universal wheel erection leg and drive wheel erection leg top, second strengthening rib symmetric distribution is in first strengthening rib both sides, the inboard vertical a plurality of third strengthening ribs that are provided with of running-board mount pad, one of them third strengthening rib is relative with the laminating of running-board mounting hole, the mount pad inboard is provided with the fourth strengthening rib of relative central axis symmetry, the vertical connection of fourth strengthening rib is between mount pad outer wall and inner wall. The first reinforcing rib improves the compressive capacity of its vertical side in the strengthening rib structure, and the second reinforcing rib keeps its ascending stability of horizontal direction, and the mounting base at cooperation center obtains great bearing capacity.

In the wheelchair bearing frame body, reinforcing fillets are arranged on two sides of the joint of the universal wheel mounting leg and the driving wheel mounting leg and the mounting base. The strength of the joint of the universal wheel mounting leg and the driving wheel mounting leg is improved by reinforcing the fillet, and the deformation of the universal wheel mounting leg and the driving wheel mounting leg in the movement process under the resistance in the horizontal direction is avoided.

Compared with the prior art, the utility model has the advantages of: the battery has larger bearing capacity and is suitable for installing the battery of the electrically driven wheelchair; the integral structure has higher strength and longer service life; the reinforcing rib structure is adopted to maintain the structural strength, and the overall weight is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of another viewing angle of the present invention;

fig. 3 is a partially enlarged schematic view of the frame body of the present invention;

fig. 4 is a schematic structural view of the driving wheel mounting sleeve of the present invention;

in the figure, the frame body 1, the mounting base 2, the battery mounting hole 21, the reinforcing fillet 22, the universal wheel mounting leg 3, the universal wheel mounting seat 31, the universal wheel mounting hole 32, the limiting step 33, the arc portion 34, the drive wheel mounting leg 4, the drive wheel mounting seat 41, the drive wheel mounting hole 42, the drive wheel mounting sleeve 43, the limiting convex strip 44, the limiting cylinder 45, the bar-shaped through hole 46, the reinforcing rib structure 5, the first reinforcing rib 51, the second reinforcing rib 52, the third reinforcing rib 53, the fourth reinforcing rib 54, the battery mounting port 6, the step plate mounting seat 7, the step plate mounting hole 71, the fender mounting seat 8, and the fender mounting hole 81.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the wheelchair carrying frame comprises a frame body 1, wherein the frame body 1 comprises a mounting base 2, the side surface of the mounting base 2 is respectively connected with at least one pair of universal wheel mounting legs 3 and driving wheel mounting legs 4, the universal wheel mounting legs 3 and the driving wheel mounting legs 4 are bent downwards relative to the horizontal plane where the mounting base 2 is located, reinforcing rib structures 5 are arranged on the inner sides of the universal wheel mounting legs 3 and the driving wheel mounting legs 4, and a through battery mounting port 6 is arranged at the center of the mounting base 2. The mounting base 2 is used for mounting accessories such as a battery or a seat, wherein the universal wheel mounting legs 3 and the driving wheel mounting legs 4 are uniformly distributed around the mounting base 2, and the whole wheelchair is symmetrically arranged and supports the whole wheelchair. The mounting base 2 is lifted by the bent universal wheel mounting legs 3 and the driving wheel mounting legs 4, and a certain distance is kept between the mounting base 2 and the ground.

Specifically, 3 end departments of universal wheel installation leg are provided with universal wheel mount pad 31, and it has the vertical universal wheel mounting hole 32 that sets up of the central axis to open on the universal wheel mount pad 31, and the universal wheel mounting hole 32 middle part is provided with spacing step 33 along circumference encircleing, and 3 end departments of universal wheel installation leg top is provided with the arc portion 34 relative with universal wheel mounting hole 32. The limiting step 33 is used for fixing the position of the universal wheel installed on the universal wheel installation seat 31 in the vertical direction, and the arc part 34 at the end of the universal wheel installation leg 3 is opposite to the edge of the universal wheel installation hole 32, so that the normal rotation of the universal wheel is not influenced.

Deeply, the end of each universal wheel mounting leg 3 is connected with a pedal mounting seat 7, the pedal mounting seats 7 are arranged on one side of the universal wheel mounting seat 31, the pedal mounting seats 7 mounted on each pair of universal wheel mounting legs 3 are arranged oppositely, a plane is arranged above each pedal mounting seat 7, and a plurality of pedal mounting holes 71 are formed in one opposite side of each pedal mounting seat 7. The plane above the pedal mounting seat 7 is attached to the pedal and used for keeping the pedal horizontally placed.

Further, 4 end departments of drive wheel erection leg are provided with drive wheel mount pad 41, it has the drive wheel mounting hole 42 of the horizontal setting of central axis to open on the drive wheel mount pad 41, drive wheel mounting hole 42 inboard is provided with drive wheel installation cover 43, drive wheel installation cover 43 both ends outside evenly distributed has spacing sand grip 44, spacing sand grip 44 is fixed relatively with the spacing section of thick bamboo 45 at the inboard middle part of drive wheel mounting hole 42, drive wheel installation cover 43 center is bar through-hole 46, wherein the central axis of drive wheel mounting hole 42 and bar through-hole 46 of every 4 end departments of drive wheel erection leg coincide. The driving wheel mounting holes 42 of the driving wheel mounting seats 41 are oppositely arranged to keep the driving wheels mounted on each pair of driving wheel mounting legs 4 parallel, so that the driving wheels can stably provide driving force. The driving wheel mounting sleeve 43 is clamped between the driving wheel and the driving wheel mounting leg 4, and plays a role in protecting the driving wheel mounting leg 4 at the rotating connection part of the driving wheel.

Furthermore, the end of the driving wheel mounting leg 4 is connected with a mudguard mounting seat 8, the mudguard mounting seat 8 is arranged on one side opposite to the driving wheel mounting leg 4, the mudguard mounting seats 8 mounted on each pair of driving wheel mounting legs 4 are arranged in a reverse manner, and one end of the mudguard mounting seat 8 far away from the driving wheel mounting leg 4 is a plane and is provided with a plurality of mudguard mounting holes 81. The fender mounting seats 8 are arranged on two sides of the outer portion of the wheelchair in the advancing direction, so that the mounted fender can prevent the driving wheel from rotating to spray muddy water outwards.

In addition, the upper end of the mounting base 2 is uniformly provided with battery mounting holes 21 which are surrounded relative to the battery mounting opening 6. The battery mounting hole 21 is a screw hole, and the battery is inserted into the battery mounting hole 6 and then the position in the axial direction is restricted by the battery mounting hole 21.

Meanwhile, the vertical heights of the universal wheel mounting seat 31 and the driving wheel mounting seat 41 are greater than the vertical height of the mounting base 2, and the vertical height of the universal wheel mounting seat 31 is greater than the vertical height of the driving wheel mounting seat 41. In the wheelchair bearing frame body, the universal wheels are arranged in the front, the vertical height of the universal wheel mounting seat 31 is larger than that of the driving wheel mounting seat 41, a space is reserved for the universal wheels to rotate, and the position of the mounting base 2 is relatively close to the front.

It can be seen that the inside of the universal wheel mounting seat 31 and the driving wheel mounting seat 41 are solid structures, the pedal mounting seat 7, the fender mounting seat 8 and the mounting base 2 are hollow structures with downward openings, and the inner sides of the pedal mounting seat 7 and the mounting base 2 are provided with reinforcing rib structures 5. The universal wheel mounting leg 3 and the driving wheel mounting leg 4 are mostly hollow, the structural strength is kept by the reinforcing rib structure 5, and only the local movable connection part adopts a solid structure, so that the service life of the universal wheel mounting leg is ensured.

Obviously, the reinforcing rib structure 5 includes the first reinforcing rib 51 that sets up at universal wheel erection leg 3 and the inboard center in drive wheel erection leg 4 extension top, the inboard distribution in universal wheel erection leg 3 and the 4 top of drive wheel erection leg has the crisscross second reinforcing rib 52 of first reinforcing rib 51 slope, second reinforcing rib 52 symmetric distribution is in first reinforcing rib 51 both sides, the inboard vertical a plurality of third reinforcing ribs 53 that are provided with of running-board mount pad 7, one of them third reinforcing rib 53 is relative with the laminating of running-board mounting hole 71, the inboard fourth reinforcing rib 54 that is provided with relative central axis symmetry of mounting base 2, the vertical connection of fourth reinforcing rib 54 is between mounting base 2 outer wall and inner wall. The first reinforcing ribs 51 and the second reinforcing ribs 52 are matched and staggered, extend along the bending arcs of the universal wheel mounting leg 3 and the driving wheel mounting leg 4, and the thickness of the surface where the pedal mounting hole 71 is located is increased by the third reinforcing ribs 53 attached to the pedal mounting hole 71, so that the connection stability of the pedals is kept.

Preferably, reinforcing fillets 22 are arranged on two sides of the joint of the universal wheel mounting leg 3 and the driving wheel mounting leg 4 and the mounting base 2. Strengthen fillet 22 and keep universal wheel erection leg 3 and drive wheel erection leg 4 and mounting base 2 smooth transition, avoid the junction fracture that the excessive stress leads to.

Besides, the principle of the present embodiment is that: mounting base 2 is used for the installation battery and bears other accessories of wheelchair, and the side is connected mated universal wheel installation leg 3 and drive wheel installation leg 4 and crooked downward formation arc, improves support body 1 load-carrying capacity, and wherein universal wheel installation leg 3 and drive wheel installation leg 4 keep its structural strength by strengthening rib structure 5.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the frame body 1, the mounting base 2, the battery mounting hole 21, the reinforcing round corner 22, the universal wheel mounting leg 3, the universal wheel mounting seat 31, the universal wheel mounting hole 32, the limiting step 33, the arc-shaped portion 34, the driving wheel mounting leg 4, the driving wheel mounting seat 41, the driving wheel mounting hole 42, the driving wheel mounting sleeve 43, the limiting convex strip 44, the limiting cylinder 45, the strip-shaped through hole 46, the reinforcing rib structure 5, the first reinforcing rib 51, the second reinforcing rib 52, the third reinforcing rib 53, the fourth reinforcing rib 54, the battery mounting port 6, the step plate mounting seat 7, the step plate mounting hole 71, the step plate mounting seat 8, the step plate mounting hole 81, and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a wheelchair bears support body, includes support body (1), its characterized in that, support body (1) including mounting base (2), mounting base (2) side be connected with at least a pair of universal wheel installation leg (3) and drive wheel installation leg (4) respectively, relative mounting base (2) place horizontal plane downward bending of universal wheel installation leg (3) and drive wheel installation leg (4), universal wheel installation leg (3) and drive wheel installation leg (4) inboard be provided with strengthening rib structure (5), mounting base (2) center be provided with battery installing port (6) that link up.

2. The wheelchair carrier frame body according to claim 1, wherein a universal wheel mounting seat (31) is arranged at the end of the universal wheel mounting leg (3), a universal wheel mounting hole (32) with a vertically arranged central axis is formed in the universal wheel mounting seat (31), a limiting step (33) is circumferentially arranged in the middle of the universal wheel mounting hole (32), and an arc-shaped portion (34) opposite to the universal wheel mounting hole (32) is arranged above the end of the universal wheel mounting leg (3).

3. The wheelchair carrier body according to claim 2, wherein a pedal plate mounting seat (7) is connected to the end of each universal wheel mounting leg (3), the pedal plate mounting seat (7) is arranged on one side of the universal wheel mounting seat (31), the pedal plate mounting seats (7) mounted on each pair of universal wheel mounting legs (3) are arranged oppositely, a plane is arranged above each pedal plate mounting seat (7), and a plurality of pedal plate mounting holes (71) are formed in the opposite side of each pedal plate mounting seat (7).

4. The wheelchair carrying frame body according to claim 3, wherein the driving wheel mounting seat (41) is arranged at the end of the driving wheel mounting leg (4), the driving wheel mounting seat (41) is provided with a driving wheel mounting hole (42) with a horizontally arranged central axis, a driving wheel mounting sleeve (43) is arranged on the inner side of the driving wheel mounting hole (42), the outer sides of the two ends of the driving wheel mounting sleeve (43) are uniformly distributed with limiting convex strips (44), the limiting convex strips (44) are relatively fixed with a limiting cylinder (45) in the middle of the inner side of the driving wheel mounting hole (42), the center of the driving wheel mounting sleeve (43) is provided with a strip-shaped through hole (46), and the central axis of the driving wheel mounting hole (42) at the end of each pair of driving wheel mounting legs (4) is matched with the strip-shaped through hole (46).

5. The wheelchair carrier frame according to claim 4, wherein the end of the driving wheel mounting leg (4) is connected with a fender mounting seat (8), the fender mounting seat (8) is arranged at one side of the driving wheel mounting leg (4), the fender mounting seats (8) mounted on each pair of driving wheel mounting legs (4) are arranged in a reverse manner, and one end of each fender mounting seat (8) far away from the driving wheel mounting leg (4) is a plane and is provided with a plurality of fender mounting holes (81).

6. The wheelchair carrier body according to claim 5, wherein the upper end of the mounting base (2) is uniformly provided with battery mounting holes (21) which are surrounded relative to the battery mounting opening (6).

7. The wheelchair carrier according to claim 6, wherein the vertical height of the universal wheel mounting seat (31) and the driving wheel mounting seat (41) is greater than the vertical height of the mounting base (2), and the vertical height of the universal wheel mounting seat (31) is greater than the vertical height of the driving wheel mounting seat (41).

8. The wheelchair carrier body according to claim 6, wherein the inside of the universal wheel mounting seat (31) and the driving wheel mounting seat (41) is of a solid structure, the pedal mounting seat (7), the mudguard mounting seat (8) and the mounting base (2) are of hollow structures with downward openings, and the inner sides of the pedal mounting seat (7) and the mounting base (2) are provided with the reinforcing rib structures (5).

9. The wheelchair carrier body according to claim 8, wherein the reinforcement structure (5) comprises a first reinforcement (51) provided at the center of the extended top inside of the universal wheel mounting leg (3) and the driving wheel mounting leg (4), second reinforcing ribs (52) obliquely staggered with the first reinforcing ribs (51) are distributed on the inner sides of the tops of the universal wheel mounting legs (3) and the driving wheel mounting legs (4), the second reinforcing ribs (52) are symmetrically distributed at two sides of the first reinforcing rib (51), a plurality of third reinforcing ribs (53) are vertically arranged on the inner side of the pedal mounting seat (7), one of the third reinforcing ribs (53) is attached to and opposite to the pedal mounting hole (71), the inner side of the mounting base (2) is provided with a fourth reinforcing rib (54) which is symmetrical relative to the central axis thereof, the fourth reinforcing rib (54) is vertically connected between the outer wall and the inner wall of the mounting base (2).

10. The wheelchair carrier frame according to claim 1, wherein reinforcing fillets (22) are arranged on both sides of the joint of the universal wheel mounting leg (3) and the driving wheel mounting leg (4) and the mounting base (2).