CN219148256U

CN219148256U - Adjustable split type front fork wheelchair bracket

Info

Publication number: CN219148256U
Application number: CN202223334434.4U
Authority: CN
Inventors: 乔有权
Original assignee: Taicang Tenghui Metal Products Co ltd
Current assignee: Taicang Tenghui Metal Products Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-09
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses an adjustable split type front fork wheelchair bracket which comprises a back bracket rotationally connected with a seat bracket, wherein the bottom of the back bracket is rotationally connected with a fixed rod and a supporting rod, the fixed rod is rotationally arranged on a girder, the girder is rotationally arranged on a rear wheel shaft, the other end of the girder is rotationally arranged on the seat bracket, a front fork frame is rotationally arranged on the bottom of the seat bracket, a rotating shaft is rotationally arranged at the bottom end of the front fork frame, a wheel frame is arranged at the bottom of the rotating shaft, and a shock absorber and a spring are fixedly arranged on the rotating shaft. The front fork is designed into a split structure, so that the front fork is easily damaged due to collision, and the wheel can be replaced by opening the bolts to detach the wheel after the front fork is damaged, so that the front fork is more convenient to use; the front wheel can randomly adjust the direction through the design of the bearing and the rotating shaft; through the rotation connection of each part, only need open the buckle when can realizing folding, both collapsible accomodate, it is very convenient.

Description

Adjustable split type front fork wheelchair bracket

Technical Field

The utility model relates to the technical field of wheelchair equipment, in particular to an adjustable split type front fork wheelchair bracket.

Background

The wheelchair is a chair with wheels, can help to replace walking, and is an important moving tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons. The front wheel in the wheelchair is generally an important component for realizing the steering function of the wheelchair, the front fork is a wheelchair bracket component for installing the front wheel, and the front fork in the existing wheelchair bracket has an integrated structure, so that the front fork wheelchair bracket possibly collides with other objects in the running process of the front wheel, so that the part of the front fork connected with the front wheel is damaged, and the front fork with the integrated structure needs to be replaced completely at the moment, thereby being very inconvenient.

For example, the prior art discloses an angle-adjustable wheelchair front fork structure (bulletin number: CN 215415568U), the utility model rotates a threaded rod with opposite threads through rotating a rotating block to enable a matched tooth block to move outwards, then rotates an adjusting tooth block to a corresponding angle, and then rotates the rotating block to enable the matched tooth block to be engaged with the adjusting tooth block, so that the front fork structure of the wheelchair can be flexibly adjusted in angle, stable contact between a front wheel and the ground can be ensured, and the wheelchair front fork structure is better in flexibility and stability.

However, the front wheel connecting part and the front fork are of an integral structure, and the front wheel connecting part and the front fork are damaged and need to be replaced integrally, so that an adjustable split type front fork wheelchair bracket is needed.

Disclosure of Invention

The utility model aims to provide an adjustable split type front fork wheelchair bracket, which enables a front fork to be in a split structure through the design of a bearing, a rotating shaft, a threaded column and a wheel driver so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a split type front fork wheelchair support with adjustable, includes the back support, the last rotation of back support is connected with the seat support, the bottom of back support rotates the one end that is connected with the dead lever and the one end of bracing piece, the other end of dead lever rotates and installs on the girder, the one end of girder rotates and installs on the rear axle, the other end of girder rotate install in on the seat support, rotate on the bottom of seat support and install preceding fork, preceding fork bottom rotates and installs the pivot, the wheel carrier is installed to the bottom of pivot, fixed mounting has shock absorber and spring in the pivot.

Preferably, a bearing is fixedly arranged at the bottom of the front fork frame, and the rotating shaft is rotatably arranged in the bearing.

Preferably, the bottom of the rotating shaft is fixedly connected with a threaded column, and the threaded column penetrates through the wheel frame and is fixed by screw cap threads.

Preferably, the girder is rotatably provided with a buckle, the fixing rod is provided with a bayonet, the buckle can be clamped on the bayonet, and the buckle is arranged as an elastic plastic buckle.

Preferably, the side of back support fixed mounting handrail frame, the handrail is installed in the both ends rotation of handrail frame, fixed mounting has the stopper on the back support.

Preferably, a pedal is rotatably installed between the two groups of front fork frames, and a shielding frame is fixedly installed, and the shielding frame can shield the pedal from rotating downwards when the pedal is in a horizontal state.

Preferably, the bottom of girder fixedly connected with right angle shape mounting, the rotation of mounting is installed the perk pedal.

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

through the design of the bearing, the rotating shaft, the threaded column and the wheel driver, the front fork-shaped split structure of the wheel driver and the front fork-shaped split structure which are easy to damage due to collision is realized, the wheel driver can be replaced by opening the bolt after damage, the wheel driver is more convenient to detach, and the direction of the front wheel can be randomly adjusted through the design of the bearing and the rotating shaft; through the design of bumper shock absorber and spring, can make the device possess fine shock attenuation effect, through the rotation connection of each part and the buckle cooperation of mount and girder moreover, only need open the buckle when can realizing folding, both rotatable seat support realizes the whole folding of wheelchair support, easy operation, it is very convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the structure of the buckle and bayonet of the present utility model;

FIG. 4 is a schematic view of the structure of the armrest frame of the present utility model;

fig. 5 is a schematic view of the structure of the seesaw pedal of the present utility model.

In the figure: 1. a back support; 2. a seat support; 3. a fixed rod; 4. a support rod; 5. a girder; 6. a front fork; 7. a rotating shaft; 8. wheel frame; 9. a shock absorber; 10. a spring; 11. a bearing; 12. a threaded column; 13. a buckle; 14. a bayonet; 15. a handrail frame; 16. an armrest; 17. a limiting block; 18. a foot pedal; 19. a shielding frame; 20. a fixing member; 21. the head is tilted and the foot is operated.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

as shown in fig. 1 and 4, an adjustable split front fork wheelchair bracket comprises a back bracket 1, wherein an armrest frame 15 is fixedly arranged on the side surface of the back bracket 1, armrests 16 are rotatably arranged at two ends of the armrest frame 15, and limiting blocks 17 are fixedly arranged on the back bracket 1. The arm rest 16 can relay to the arm rest 16 when the user places the arm and stands up, is very convenient, and the limiting block 17 can enable the arm rest to keep the horizontal direction and not rotate, can support the downward pressure of the arm or the hand of the user, and can rotate the arm rest 16 backwards to naturally droop when the user needs to fold, so that the folding and storage are convenient.

As shown in fig. 1-3, the seat support 2 is rotatably connected to the upper portion of the back support 1, one end of the fixing rod 3 and one end of the supporting rod 4 are rotatably connected to the bottom portion of the back support 1, the other end of the fixing rod 3 is rotatably mounted on the girder 5, the fastening buckle 13 is rotatably mounted on the girder 5, the fastening rod 3 is provided with a fastening opening 14, the fastening buckle 13 can be fastened on the fastening opening 14, and the fastening buckle 13 is an elastic plastic fastening buckle. One end of the girder 5 is rotatably mounted on the rear wheel shaft, the other end of the girder 5 is rotatably mounted on the seat support 2, the bottom of the seat support 2 is rotatably mounted with the front fork frame 6, the bottom of the front fork frame 6 is fixedly mounted with a bearing 11, the rotating shaft 7 is rotatably mounted in the bearing 11, the bottom of the rotating shaft 7 is mounted with the wheel frame 8, the bottom of the rotating shaft 7 is fixedly connected with a threaded column 12, the threaded column 12 penetrates through the wheel frame 8 and is fixed by a screw cap thread, and the rotating shaft 7 is fixedly mounted with a shock absorber 9 and a spring 10.

The whole wheelchair bracket is basically rotationally connected, but when the buckle 13 is fixed on the bayonet 14, the girder 5 and the back bracket 1 are fixed at the moment, the wheelchair is in a stable state, because the girder 5, the seat bracket 2 and the back bracket 1 form a triangle stable structure, the seat bracket 2, the front fork frame 6, the supporting rod 4 and the back bracket 1 are also in a stable state after being fixed by the seat bracket 2, a user can ensure the stability of the wheelchair when using the wheelchair, when the user pulls out the buckle 13 from the bayonet 14, the stable state is relieved, the seat bracket 2 is rotated upwards, the wheelchair bracket can be folded, the operation is quite simple, and at the moment, the bracket is folded on the back bracket 1, the user can easily pull away the whole bracket by means of a rear wheel only by pulling a cross rod at the top of the back bracket 1, the convenience is quite convenient, and the user encounters the damage of the hard object when encountering the wheel frame 8 and collides with the hard object, the user only needs to detach the bolt for fixing the wheel frame 8 to replace the wheel frame 8, the split structure is quite convenient to maintain the rear, and the user can well adjust the rotation shaft of the wheelchair bracket 10 when the user rotates the seat bracket 9 and the seat bracket 10, the user can better rotate the wheelchair bracket and the wheelchair bracket can rotate around the front fork 1, and the rotation shaft can be adjusted to the front rotation shaft 11 and the user can have better shock absorption effect.

As shown in figure 1, a pedal 18 is rotatably mounted between two groups of front fork frames 6, a shielding frame 19 is fixedly mounted, the shielding frame 19 can shield the pedal 18 from rotating downwards when the pedal 18 is in a horizontal state, the pedal 18 is convenient for a user to put feet on when the wheelchair is used, the shielding frame 19 can limit the pedal 18 to rotate to a horizontal position and then can not rotate any more, the pedal 18 can be supported when the user stands up, the force of the user when stepping on the pedal 18 to stand up is born, and the pedal 18 can be rotated backwards when the wheelchair is stored, so that the wheelchair is convenient to store.

As shown in fig. 5, a fixing piece 20 is fixedly connected to the bottom of the girder 5, a tilting pedal 21 is rotatably installed in the fixing piece 20, and a right-angle limiting plate is arranged on the fixing piece 20. When the wheelchair is stepped on by the warped head pedal 21, a person pushing the wheelchair tramples the warped head pedal 21 to enable the front wheel to tilt, the wheelchair is convenient to step on, the right-angle limiting plate can support trampling force, and the rotating position of the warped head pedal 21 can be limited.

Working principle: when the wheelchair is used, the wheelchair bracket is unfolded to fix the buckle 13, the armrest 16, the pedal 18 and the warped pedal 21 are rotated to the horizontal position, so that the wheelchair can be normally used, the buckle 13 is unfolded, the armrest 16, the pedal 18 and the warped pedal 21 are rotated to the storage position, and the seat bracket 2 is rotated backwards, so that folding and storage can be completed; when the wheel frame 8 in the front fork is damaged due to collision, the front fork can be detached and replaced by unlocking the bolts, and the split front fork is convenient to replace and is beneficial to later maintenance.

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

Claims

1. The utility model provides a split type front fork wheelchair support with adjustable, includes back support (1), its characterized in that: the seat support is characterized in that the seat support (2) is connected to the upper rotation of the back support (1), one end of the fixing rod (3) and one end of the supporting rod (4) are connected to the bottom of the back support (1) in a rotating mode, the other end of the fixing rod (3) is installed on the girder (5) in a rotating mode, one end of the girder (5) is installed on the rear wheel shaft in a rotating mode, the other end of the girder (5) is installed on the seat support (2) in a rotating mode, the front fork frame (6) is installed on the bottom of the seat support (2) in a rotating mode, the rotating shaft (7) is installed at the bottom of the front fork frame (6), the wheel frame (8) is installed at the bottom of the rotating shaft (7), and the shock absorber (9) and the spring (10) are fixedly installed on the rotating shaft (7).

2. An adjustable split front fork wheelchair bracket according to claim 1, wherein: the bottom of the front fork frame (6) is fixedly provided with a bearing (11), and the rotating shaft (7) is rotatably arranged in the bearing (11).

3. An adjustable split front fork wheelchair bracket according to claim 2, wherein: the bottom of the rotating shaft (7) is fixedly connected with a threaded column (12), and the threaded column (12) penetrates through the wheel frame (8) and is fixed by screw cap threads.

4. An adjustable split front fork wheelchair bracket according to claim 1, wherein: the girder (5) is rotatably provided with a buckle (13), the fixed rod (3) is provided with a bayonet (14), the buckle (13) can be clamped on the bayonet (14), and the buckle (13) is an elastic plastic buckle.

5. An adjustable split front fork wheelchair bracket according to claim 1, wherein: the side face of the back support (1) is fixedly provided with an armrest frame (15), two ends of the armrest frame (15) are rotatably provided with armrests (16), and the back support (1) is fixedly provided with limiting blocks (17).

6. An adjustable split front fork wheelchair bracket according to claim 1, wherein: a foot pedal (18) is rotatably arranged between the two groups of front fork frames (6) and a shielding frame (19) is fixedly arranged, and the shielding frame (19) can shield the foot pedal (18) from rotating downwards when in a horizontal state.

7. An adjustable split front fork wheelchair bracket according to claim 1, wherein: the bottom of girder (5) fixedly connected with mounting (20), mount (20) are rotated and are installed perk pedal (21), be provided with right angle shape limiting plate on mounting (20).