CN220046327U - Cushion mounting structure of electric wheelchair - Google Patents
Cushion mounting structure of electric wheelchair Download PDFInfo
- Publication number
- CN220046327U CN220046327U CN202321048682.4U CN202321048682U CN220046327U CN 220046327 U CN220046327 U CN 220046327U CN 202321048682 U CN202321048682 U CN 202321048682U CN 220046327 U CN220046327 U CN 220046327U
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- cushion
- assembly
- connecting pipe
- rod
- supporting
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- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The utility model discloses a cushion mounting structure of an electric wheelchair, which comprises a cushion assembly, a first supporting assembly and a first connecting assembly which are positioned on the left side below the cushion assembly, and a second supporting assembly and a second connecting assembly which are positioned on the right side below the cushion assembly. The first support component and the second support component are consistent in structure and comprise a long rod positioned at a high position and a short rod positioned at a low position, and a connecting inclined rod is welded between the long rod and the short rod. The first connecting component and the second connecting component are consistent in structure and respectively comprise a first connecting pipe and a second connecting pipe positioned right below the first connecting pipe, and the first connecting pipe and the second connecting pipe are welded and fixed through a vertical rod. The first supporting component and the second supporting component are placed in a crossed mode, a first assembly point is arranged between the two connecting inclined rods, a second assembly point is arranged between the short rod and the second connecting pipe, a third assembly point is arranged between the long rod and the first connecting pipe, and a user can complete the assembly of the framework of the cushion only by screwing bolts or nuts.
Description
Technical Field
The utility model relates to a walking tool, in particular to a cushion mounting structure of an electric wheelchair.
Background
The electric wheel chair is formed by improving and upgrading parts such as a high-performance power driving device, a storage battery and the like on the basis of a traditional hand-push wheelchair, and an occupant can independently drive the wheelchair to finish the functions of forward movement, backward movement, steering and the like. At present, most consumers can purchase the electric wheelchair in an online shopping mode, and assemble the electric wheelchair for use by themselves after arriving at the goods, so that the framework of the wheelchair is optimally designed, and the electric wheelchair is convenient for users to assemble quickly and conveniently and is an important mode for improving the market competitiveness of the electric wheelchair.
Disclosure of Invention
The utility model aims to solve the technical problems that: the mounting structure of the cushion of the electric wheelchair is optimized to achieve the aim of being convenient for a user to quickly assemble.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the cushion mounting structure of the electric wheelchair comprises a cushion component, a first supporting component and a first connecting component which are positioned on the left side below the cushion component, and a second supporting component and a second connecting component which are positioned on the right side below the cushion component;
the structure of the first supporting component and the structure of the second supporting component are consistent, the first supporting component and the second supporting component both comprise a long rod positioned at a high position and a short rod positioned at a low position, a connecting inclined rod is welded between the long rod and the short rod, and the connecting inclined rod in the first supporting component and the connecting inclined rod in the second supporting component are arranged in a crossing way and are connected through a rotating shaft;
the first connecting component and the second connecting component are consistent in structure and comprise a first connecting pipe and a second connecting pipe positioned right below the first connecting pipe, and the first connecting pipe and the second connecting pipe are fixed through vertical rod welding; the inner side of the second connecting pipe is welded with a support, the short rod is positioned between the two supports, and the short rod is fixed by penetrating through the support and locking into a plastic chock of the short rod through a bolt;
the long rod is located above the first connecting pipe, a supporting block is arranged between the long rod and the first connecting pipe, an upper groove used for placing the long rod is formed in the top of the supporting block, a lower groove used for placing the first connecting pipe is formed in the bottom of the supporting block, a screw hole is formed in the first connecting pipe, a through hole penetrating through the upper groove and the lower groove is formed in the supporting block, and a bolt penetrates through the through hole from top to bottom to be locked into the screw hole to fix the long rod and the first connecting pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. the first supporting component and the second supporting component are placed in a crossed mode, a first assembly point is arranged between the two connecting inclined rods, a second assembly point is arranged between the short rod and the second connecting pipe, a third assembly point is arranged between the long rod and the first connecting pipe, and a user can finish assembling the framework of the cushion only by screwing bolts or nuts, so that time and labor are saved;
2. the cushion framework for supporting the weight of the occupant adopts the scissors-type supporting structure, so that the supporting performance of the framework is improved, and the deformable characteristic of the scissors-type connecting rod can absorb part of vibration when the wheelchair walks, so that looseness of the assembly point can be effectively avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a block diagram of an electric wheelchair;
FIG. 2 is a block diagram of a seat cushion system;
FIG. 3 is a block diagram of a seat cushion system;
FIG. 4 is a block diagram of a support assembly;
FIG. 5 is a block diagram of a connection assembly;
FIG. 6 is a block diagram of a bracket;
fig. 7 is a structural view of the plate member.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the embodiments.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
An electric wheelchair is shown in fig. 1, which comprises a wheel system 10, a cushion system 30 and a backrest system 20, wherein the wheel and shock absorbing system in the wheel system is generally an integrated structure, and a user installs the electric wheelchair by inserting and assembling the rotating shaft of the wheel and the frame. The frame in a typical back rest system is required to be bolted to the frame. The assembly of the cushion system in the electric wheelchair is the most complex, and the assembly quality of the cushion system can affect the use stability of the whole vehicle, so how to realize easy, convenient and stable installation of the cushion system is the main content to be shown in the embodiment.
The seat cushion system of the electric wheelchair shown in fig. 2 and 3 includes a seat cushion assembly 31, a first support assembly 32 and a first link assembly 33 positioned at a lower left side of the seat cushion assembly, and a second support assembly 32 and a second link assembly 33 positioned at a lower right side of the seat cushion assembly, wherein the first support assembly and the second support assembly are identical in structure, and the first link assembly and the second link assembly are identical in structure.
Referring to fig. 4, the first support assembly and the second support assembly each include a long rod 321 positioned at a high position and a short rod 322 positioned at a low position, a connecting diagonal 323 is welded between the long rod and the short rod, and the connecting diagonal in the first support assembly and the connecting diagonal in the second support assembly are arranged in a crossing manner and connected through a rotating shaft. When the electric wheelchair is packed in shipment, the long rod 321, the short rod 322 and the connecting diagonal rod 323 in the supporting component are preassembled, and a user does not need to assemble the first supporting component and the second supporting component, and only needs to combine the first supporting component and the second supporting component. The connecting diagonal rods are provided with the guide pipes 324 in advance, and a user only needs to pass the rotating shaft through the guide pipes in the two connecting diagonal rods and install nuts on the rotating shaft to connect the two connecting diagonal rods. Preferably, a plastic pad 325 is provided between the two connecting diagonal rods, through which the spindle passes. Each support assembly shown in fig. 4 comprises two support diagonal bars, an area a is formed between the two support diagonal bars in the first support assembly, a short bar in the second support assembly passes through the area a, and the two support diagonal bars are also all located in the area a, so that the first support assembly and the second support assembly can be assembled conveniently.
Referring to fig. 5, the first connection assembly and the second connection assembly each include a first connection pipe 331 and a second connection pipe 332 directly below the first connection pipe, the first connection pipe and the second connection pipe are welded and fixed by a vertical rod 333, and two supports 334 are welded on the inner side of the second connection pipe. When the electric wheelchair is packed in shipment, the first connecting component and the second connecting component are assembled, independent assembly is not needed, a user only needs to put the short rod in the assembled first supporting component between two supports of the second connecting component, put the short rod in the second supporting component between two supports of the first connecting component, and the connecting component and the supporting component can be fixed by penetrating bolts through the supports and locking the supports into the plastic plugs 326 of the short rods 322.
After the support component and the connecting component are assembled, the long rod is positioned above the first connecting pipe. The first connecting pipe and the second connecting pipe are fixedly connected, so that the supporting framework of the cushion system is firmer. In this embodiment, a supporting block is disposed between the long rod and the first connecting pipe, as shown in fig. 5, an upper groove 341 for placing the long rod is disposed at the top of the supporting block, a lower groove 342 for placing the first connecting pipe is disposed at the bottom of the supporting block, a through hole 343 penetrating the upper groove and the lower groove is disposed in the supporting block, and a screw hole 337 is disposed in the first connecting pipe. Before the support component and the connecting component are assembled, the supporting block 34 is clamped at the top of the first connecting pipe 331, then the long rod is fixed with the first connecting pipe by using bolts to pass through the through holes from top to bottom and lock into the screw holes, and finally the long rod 321 is placed in the upper groove of the supporting block. The long rod is of a cylindrical structure, the upper groove matched with the long rod is of a circular arc structure, the long rod is arranged in the upper groove, and the long rod cannot be displaced in the left direction and the right direction.
The supporting component and the connecting component form a supporting framework in the cushion system, and the cushion component is assembled after the supporting framework is assembled. Preferably, the seat assembly includes a seat 311 and a plate member 322 disposed over two elongated rods having a row of screw holes 335 disposed along their length and into which bolts are inserted through the plate member to secure the plate to the top of the elongated rods. Referring to fig. 7, a hollow deformation zone 312a is provided at the position of the flat plate member corresponding to the long rod, and the bolt passes through the hollow deformation zone. The top of the plate member is provided with a plugboard 312b perpendicular thereto, and the bottom of the seat cushion is provided with a slot, and the seat cushion is pushed rearward along the plugboard to mount the seat cushion on the top of the plate member. So far, the user can complete the assembly of the entire seat cushion system.
The first supporting component and the second supporting component are placed in a crossed mode, a first assembly point is arranged between the two connecting inclined rods, a second assembly point is arranged between the short rod and the second connecting pipe, a third assembly point is arranged between the long rod and the first connecting pipe, and a fourth assembly point is arranged between the flat plate component and the long rod.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The cushion mounting structure of the electric wheelchair is characterized by comprising a cushion assembly, a first supporting assembly and a first connecting assembly which are positioned on the left side below the cushion assembly, and a second supporting assembly and a second connecting assembly which are positioned on the right side below the cushion assembly;
the structure of the first supporting component and the structure of the second supporting component are consistent, the first supporting component and the second supporting component both comprise a long rod positioned at a high position and a short rod positioned at a low position, a connecting inclined rod is welded between the long rod and the short rod, and the connecting inclined rod in the first supporting component and the connecting inclined rod in the second supporting component are arranged in a crossing way and are connected through a rotating shaft;
the first connecting component and the second connecting component are consistent in structure and comprise a first connecting pipe and a second connecting pipe positioned right below the first connecting pipe, and the first connecting pipe and the second connecting pipe are fixed through vertical rod welding; the inner side of the second connecting pipe is welded with a support, the short rod is positioned between the two supports, and the short rod is fixed by penetrating through the support and locking into a plastic chock of the short rod through a bolt;
the long rod is located above the first connecting pipe, a supporting block is arranged between the long rod and the first connecting pipe, an upper groove used for placing the long rod is formed in the top of the supporting block, a lower groove used for placing the first connecting pipe is formed in the bottom of the supporting block, a screw hole is formed in the first connecting pipe, a through hole penetrating through the upper groove and the lower groove is formed in the supporting block, and a bolt penetrates through the through hole from top to bottom to be locked into the screw hole to fix the long rod and the first connecting pipe.
2. The cushion mounting structure of an electric wheelchair according to claim 1, wherein a conduit is provided in the connecting diagonal rod, a rotating shaft is passed through the conduits in the two connecting diagonal rods, and nuts are mounted on the rotating shaft to connect the two connecting diagonal rods.
3. The cushion mounting structure of an electric wheelchair according to claim 2, wherein a plastic cushion is provided between the two connecting diagonal rods, and the rotation shaft passes through the plastic cushion.
4. The cushion mounting structure of an electric wheelchair according to claim 1, wherein the cushion assembly comprises a cushion and a flat plate member disposed above two of the long rods, the long rods having a row of screw holes aligned along the length thereof, the flat plate being secured to the top of the long rods by bolts passing through the flat plate member and locking into the screw holes; the top of the flat plate piece is provided with an inserting plate perpendicular to the flat plate piece, the bottom of the cushion is provided with a slot, and the cushion is pushed backwards along the inserting plate to be installed on the top of the flat plate piece.
5. The cushion mounting structure of claim 4, wherein the flat plate member is provided with a hollow deformation region corresponding to the long rod, and the bolt passes through the hollow deformation region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321048682.4U CN220046327U (en) | 2023-05-05 | 2023-05-05 | Cushion mounting structure of electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321048682.4U CN220046327U (en) | 2023-05-05 | 2023-05-05 | Cushion mounting structure of electric wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220046327U true CN220046327U (en) | 2023-11-21 |
Family
ID=88764217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321048682.4U Active CN220046327U (en) | 2023-05-05 | 2023-05-05 | Cushion mounting structure of electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220046327U (en) |
-
2023
- 2023-05-05 CN CN202321048682.4U patent/CN220046327U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |