CN210002196U

CN210002196U - lapping device used with wheelchair

Info

Publication number: CN210002196U
Application number: CN201920524361.4U
Authority: CN
Inventors: 李枝松; 胡笑兰; 季晓闽
Original assignee: XIAMEN XINKAI COMPOSITE MATERIALS SCIENCE AND TECHNOLOGY CO LTD
Current assignee: XIAMEN XINKAI COMPOSITE MATERIALS SCIENCE AND TECHNOLOGY CO LTD
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-01-31
Anticipated expiration: 2029-04-17

Abstract

The utility model discloses an overlap joint device that cooperation wheelchairs used, it includes upward lapping plate, down lapping plate and turns to the platform, upward lapping plate and the equal detachable cooperation of down lapping plate turn to the platform, turn to and be equipped with recess and carousel on the platform, the carousel passes through interlock subassembly normal running fit in the recess, when the wheelchair need cross the step of passageway side from less passageway, place the platform that turns to in the passageway and paste and lean on the step earlier, later, the end overlap joint of upward lapping plate is on turning to the platform, end is placed in the passageway in addition, the end overlap joint of down lapping plate is pasted and is pasted the side of step at turning to the platform, end is crossed the step and is placed in addition side of step in the passageway, the wheelchair can be through going upward on the lapping plate to turning to the carousel of platform in the passageway to rotate the direction of adjusting wheelchair on the carousel, make the direction of advancing of wheelchair face down lapping plate, later, can cross the step through down to the wheelchair in addition side of step down by the lower lapping plate.

Description

lapping device used with wheelchair

Technical Field

The utility model relates to the technical field of wheelchairs, in particular to an overlapping device used by wheelchairs.

Background

The wheelchair can bring great convenience to people with inconvenient legs and feet, so that the people can do physical exercise and participate in social activities by means of the wheelchair; the nursing personnel can also take care of the people with inconvenient legs and feet by means of the wheelchair.

However, as is well known, when a wheelchair encounters an obstacle on a step, the wheelchair cannot normally travel, and in this case, it is often necessary to use a lapping device, such as a common lapping plate, which is lapped on the step from the ground in an inclined manner, and the wheelchair can smoothly pass through the step by means of the lapping plate.

It has been observed that such straps are not suitable for use in crossing the side steps of the passageway from a smaller passageway, and that when the straps are obliquely lapped from the passageway onto the steps, the lower ends of the straps are already adjacent the other side of the passageway, at which point the wheelchair cannot be passed onto the straps from their lower ends.

In view of this, the present inventors have made extensive conception on the various defects and inconveniences caused by the imperfect structure design of the lap joint device, and have actively studied, improved and tried on the structure to develop and design the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide bridging devices that cooperate the wheelchair to use, utilize the utility model discloses a bridging device can assist the wheelchair to cross passageway side step from less passageway.

In order to achieve the above purpose, the solution of the present invention is:

lapping device matched with the wheelchair comprises two lapping plates, an upper lapping plate, a lower lapping plate and a steering platform, wherein the upper lapping plate and the lower lapping plate are detachably matched on the steering platform, the steering platform is provided with a groove and a turntable, and the turntable is rotatably matched in the groove through a linkage assembly.

The linkage assembly comprises a connecting shaft, a bearing and a bearing seat, the bearing seat is arranged at the center of the groove, the bearing is arranged in the bearing seat, the end of the connecting shaft is matched in the bearing, and the other end is connected to the center of the bottom of the turntable.

The linkage assembly further comprises a plurality of universal balls and a spherical seat for movably mounting the universal balls, the spherical seat is mounted in the groove, and the universal balls are matched with the rotary table to support the rotary table.

The spherical seat is circularly arranged in the groove by taking the bearing as the center, and the spherical seat is equidistantly arranged on the circumference.

The linkage assembly further comprises a bolt, a linkage rod, a spring and an operating rod, wherein at least brake holes are formed in the rotating disc, the end of the linkage rod is pivoted to the bottom of the steering table, the end of the linkage rod is a movable end, the end of the bolt is connected to the linkage rod, the end of the bolt penetrates through the steering table and is movably matched with the brake holes, the end of the operating rod is connected to the movable end of the linkage rod, the end of the operating rod penetrates through the steering table and is connected with a button, the spring is sleeved on the operating rod, the end of the spring abuts against the lower end face of the button, and the end of the spring abuts against the upper end face of the.

The movable end of the linkage rod is connected with at least foot pedals, and the foot pedals are provided with anti-skidding parts.

The turntable is sleeved with a mark ring.

The end of the steering table facing the lapping plate is provided with a sinking table, and the lapping plate is detachably matched on the sinking table.

The guardrail is installed to the upper end of turning to the platform, be equipped with the flange on the side of overlap joint board.

The lower end of the steering table is provided with a universal caster wheel with a brake structure.

After the scheme is adopted, the utility model discloses a be equipped with the ascending bridging plate, down bridging plate and turn to the platform, be equipped with recess and carousel on turning to the platform, the carousel passes through interlock subassembly normal running fit in the recess, when the wheelchair need cross the step of passageway side from less passageway, place the platform that turns to earlier in the passageway and paste and lean on the step and place, later, the end overlap joint of ascending bridging plate is on turning to the platform, end is placed in the passageway in addition, the end overlap joint of down bridging plate is in turning to the platform and paste the side of step, end is crossed the step and is placed in the other side of step in addition, so far, the bridging device installation is accomplished, the wheelchair can cross the carousel of turning to the platform on through the ascending bridging plate in the passageway, and rotate the direction of adjustment wheelchair on the carousel, make the direction of advancing of wheelchair face down the bridging plate, later, the wheelchair can cross the step through the step and fall to the other 39.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view of the preferred embodiment of the present invention;

FIG. 3 is an exploded view of the turn table in the preferred embodiment of the present invention;

fig. 4 is a schematic structural view illustrating the body of the strap and the clip formed according to the preferred embodiment of the present invention;

FIG. 5 is a schematic structural view of the L-shaped engaging member mounted on the lap plate according to the preferred embodiment of the present invention;

fig. 6 is a schematic structural view of the T-shaped clip installed on the lap plate according to the preferred embodiment of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in figures 1 to 6, the preferred embodiment of the overlapping device for wheelchairs of the present invention comprises two overlapping plates 1, an ascending overlapping plate 1a and a descending overlapping plate 1b, and a steering platform 2, wherein the ascending overlapping plate 1a and the descending overlapping plate 1b are detachably engaged with the steering platform 2, the steering platform 2 is provided with a groove 21 and a turntable 22, and the turntable 22 is rotatably engaged in the groove 21 through a linkage assembly 3.

When the wheelchair needs to cross the step on the side of the passage from a smaller passage, the steering platform 2 is firstly placed in the passage and is placed close to the step, then the end of the ascending bridging plate 1a is lapped on the steering platform 2, the end is placed in the passage, the end of the descending bridging plate 1b is lapped on the side of the steering platform 2 close to the step, the end is placed on the side of the step, so that the lapping device is completely installed, the wheelchair can pass through the ascending bridging plate 1a to the turntable 22 of the steering platform 2 in the passage and rotate on the turntable 22 to adjust the direction of the wheelchair, the advancing direction of the wheelchair faces the descending bridging plate 1b, and then the wheelchair can pass through the descending bridging plate 1b to go down to the side of the step.

The linkage assembly 3 comprises a connecting shaft 31, a bearing 32 and a bearing seat 33, the bearing seat 33 is arranged at the center of the groove 21, the bearing 32 is arranged in the bearing seat 33, the end of the connecting shaft 31 is matched in the bearing 32, and the end is connected to the center of the bottom of the turntable 22.

The linkage assembly 3 further comprises a plurality of universal balls 34 and a spherical seat 35 for movably mounting the universal balls 34, the spherical seat 35 is mounted in the groove 21, and the universal balls 34 are matched with the turntable 22 for supporting the turntable 22. The universal ball 34 is arranged to support the rotary table 22 at the bottom of the rotary table 22, so that the rotary table 22 can bear higher pressure, and the rotary table 22 can rotate more stably; in addition, in the rotating process of the turntable 22, the universal ball 34 rolls in the spherical seat 35, so that the turntable 22 is prevented from being damaged due to continuous sliding friction between the turntable 22 and the universal ball 34, and the service life of the lapping device is prolonged.

The spherical seats 35 are arranged in the groove 21 in a circular shape with the bearing 32 as a center, and the spherical seats 35 are arranged at equal intervals on the circumference. Since the turntable 22 is rotatably fitted in the groove 21, the spherical seats 35 are arranged in the groove 21 in a circular shape centering on the bearing 32, and the spherical seats 35 are arranged equidistantly on the circumference, so that the universal balls 34 mounted in the spherical seats 35 can provide stable support to the turntable 22 in the circumferential direction of the turntable 22.

The linkage assembly 3 further comprises a pin 36, a linkage rod 37, a spring 38 and an operating rod 39, wherein at least braking holes 221 are formed in the turntable 22, the end of the linkage rod 37 is pivoted to the bottom of the steering table 2, the other end of the linkage rod 37 is a movable end, the end of the pin 36 is connected to the linkage rod 37, the other end of the pin passes through the steering table 2 and is movably matched in the braking holes 221, the end of the operating rod 39 is connected to the movable end of the linkage rod 37, the other end of the operating rod 39 passes through the steering table 2 and is connected with a button 391, the spring 38 is sleeved on the operating rod 39, the end of the spring 38 abuts against the lower end face of the button 391, and the other end of.

When the turntable 22 needs to be rotated, the operating rod 39 is pressed down through the button 391 by overcoming the elastic force of the spring 38, the operating rod 39 pushes the linkage rod 37 to rotate downwards, and meanwhile, the linkage rod 37 links the bolt 36 to rotate downwards, so that the bolt 36 is separated from the brake hole 221, and at this time, the turntable 22 can be rotated; when the turntable 22 needs to be fixed, the pressed button 391 is released, the spring 38 pushes the button 391 upwards, the button 391 pulls the linkage rod 37 to rotate upwards through the operating rod 39, meanwhile, the linkage rod 37 links the bolt 36 to rotate upwards, the upper end of the bolt 36 abuts against the lower end of the turntable 22 first, at this time, the turntable 22 is rotated, and when the brake hole 221 on the turntable 22 rotates to the position above the bolt 36, the bolt 36 can continue to rotate upwards to be inserted into the brake hole 221, so that the turntable 22 is fixed.

The movable end of the linkage rod 37 is connected with at least pedals 371. by arranging the pedals 371, a caregiver can operate the rotation of the linkage rod 37 by stepping on the pedals 371 with feet without pressing down the button 391 with hands, so that the caregiver can reasonably divide the work of the caregiver on the hands and the feet, and the operation of the wheelchair by the caregiver is facilitated.

The pedal 371 is provided with an anti-slip portion 3711. The caretaker is prevented from slipping off the foot plate 371 and affecting the use when the foot plate 371 is stepped on by the foot.

The rotary plate 22 is sleeved with a mark ring 222. When the wheelchair is pushed up to the turntable 22 on the steering table 2 through the lapping plate 1, whether the wheelchair is completely on the turntable 22 can be clearly and rapidly confirmed through the mark ring 222, thereby improving the use of the lapping device.

The steering platform 2 is provided with a sinking platform 23 towards the end of the lapping plate 1, and the lapping plate 1 is detachably matched on the sinking platform 23. the lapping plate 1 is made to descend to the steering platform 2 for a certain height through the arrangement of the sinking platform 23, so that the upper end face of the lapping plate 1 can be smoothly transited to the steering platform 2, and therefore, the wheelchair is more smoothly moved to the steering platform 2 from the lapping plate 1.

The sinking platform 23 is provided with the clamping groove 231, the joint 11 is arranged at the end of the lap joint plate 1 and the steering platform 2 in a lap joint mode, and the joint 11 is movably clamped with the clamping groove 231. in use, the lap joint plate 1 can be clamped and fixed in the clamping groove 231 through the clamping of the joint 11, so that the lap joint plate 1 is prevented from being separated from the steering platform 2 and falling off from the lap joint plate 1, and the safety of the lap joint device is improved.

A guardrail 24 is installed on the upper end of the steering table 2. By providing the guard rails 24, the wheelchair is prevented from excessively moving on the steering table 2 and sliding off the steering table 2, so that the user is prevented from falling off the steering table 2, and the safety of the lapping device is improved.

The lower end of the steering table 2 is provided with a caster 25 with a brake structure. By providing casters 25, it is convenient to move the steering table 2.

The side edge of the lap plate 1 is provided with a flange 12. Through being equipped with flange 12, avoid the in-process that the wheelchair removed on lapping plate 1, follow the side roll-off of lapping plate 1 and lead to the user to fall from lapping plate 1 to the security of bridging device has been improved.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

The lapping device matched with the wheelchair for use is characterized by comprising two lapping plates, namely an upper lapping plate, a lower lapping plate and a steering table, wherein the upper lapping plate and the lower lapping plate are detachably matched on the steering table, the steering table is provided with a groove and a turntable, and the turntable is rotatably matched in the groove through a linkage assembly.
2. The overlapping device used with wheelchair as claimed in claim 1, wherein the linkage assembly includes a connecting shaft, a bearing and a bearing seat, the bearing seat is installed at the center of the groove, the bearing is installed in the bearing seat, end of the connecting shaft is fitted in the bearing, and another end is connected to the center of the bottom of the turntable.
3. The overlapping device used with wheelchair as claimed in claim 1, wherein the linkage assembly further comprises a plurality of universal balls and a spherical seat for movably mounting the universal balls, the spherical seat is mounted in the recess, and the universal balls are matched with the turntable for supporting the turntable.
4. The Lap joint device for matching with wheelchair as claimed in claim 3, wherein the spherical seats are arranged in the groove in a circle with the bearing as center, and the spherical seats are arranged equidistantly on the circumference.
5. The lapping device for use with wheelchairs as claimed in claim 1, wherein the linkage assembly further comprises a pin, a linkage rod, a spring and an operating rod, the turntable is provided with at least braking holes, the 0 end of the linkage rod is pivoted to the bottom of the steering table, the end of the linkage rod is a movable end, the end of the pin is connected to the linkage rod, the end of the pin passes through the steering table and is movably fitted in the braking holes, the end of the operating rod is connected to the movable end of the linkage rod, the end of the operating rod passes through the steering table and is connected with a button, the spring is sleeved on the operating rod, the end of the spring abuts against the lower end face of the button, and the end abuts against the upper end face of the steering table.
6. The lapping device used with wheelchairs as claimed in claim 5, wherein the movable end of the linking rod is connected with at least pedals, and the pedals are provided with anti-skid parts.
7. The Lap joint device used with wheelchair as claimed in claim 1, wherein the turntable is sleeved with a marking ring.
8. The overlapping device for use with wheelchair, as claimed in claim 1, wherein the steering platform has a sinking platform at end facing the overlapping plate, and the overlapping plate is detachably engaged with the sinking platform.
9. The overlapping device used with wheelchair as claimed in claim 1, wherein the steering platform is provided with a guardrail at its upper end, and the overlapping plate is provided with a flange on its side.
10. The Lap joint device used with wheelchair, wherein the lower end of the steering platform is installed with the caster with brake structure.