Rocker arm type controller adjusting and mounting structure

Abstract

The utility model belongs to the technical field of electric wheelchairs, and particularly relates to a rocker arm type controller adjusting and installing structure. The bottom of the adjuster movably extends out of the interior of the mounting mechanism, the mounting mechanism comprises two connecting mechanisms, the bottom of the adjuster movably extends out of the interiors of the two connecting assemblies, and when the extending distance of the adjuster needs to be adjusted, a person with mobility difficulty applies pulling force to the power assembly, so that the power assembly drives the limiting block to move upwards; the power assembly drives the spring assembly to be in a compressed state and drives the limiting block to leave the interior of a limiting groove of the first connecting rod and the interior of one connecting groove of the second connecting assembly at the same time, limiting of the second connecting assembly is relieved, and the person having difficulty in moving can pull the adjuster to stretch out. The adjuster drives the first connecting rod to move, and adjustment of the extending distance of the adjuster is completed.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric wheelchairs, and in particular relates to a rocker-type controller adjustment and installation structure. Background Art

[0002] An electric wheelchair is a personal mobility tool that combines an electric motor drive, battery power and a control system. It is designed specifically for people with limited mobility to help them perform daily activities more independently. Electric wheelchairs generally have a rocker-type controller on the armrests, which directly controls the movement of the electric wheelchair.

[0003] The existing rocker arm controller is basically fixed to the electric wheelchair by screws. The rocker arm controller can be rotated by the screws to facilitate use by people with limited mobility, but its length cannot be freely adjusted according to the arm lengths of people with different limited mobility, which is inconvenient for people with limited mobility to use to a certain extent and reduces the practicality of the rocker arm controller. Utility Model Content

[0004] In view of the above problems existing in the prior art, the purpose of the utility model is to provide a rocker arm type controller adjustment installation structure.

[0005] The rocker-type controller adjustment installation structure of the utility model comprises a manually operable regulator, the bottom of which can be movably extended to the outside of two connecting parts;

[0006] The connecting part includes a first connecting rod, the bottom of the regulator can be movably extended to the outside of the first connecting rod, two limiting grooves are arranged inside the first connecting rod, a second connecting assembly is movably connected inside the first connecting rod, a plurality of connecting grooves with the same size as the two limiting grooves are arranged at the bottom of the second connecting assembly, a movable power assembly is arranged inside the first connecting rod, the top of the power assembly extends to the outside of the first connecting rod, two limiting blocks are fixedly installed at the bottom of the power assembly, the bottoms of the two limiting blocks respectively pass through the two connecting grooves and extend to the insides of the two limiting grooves, the outer surfaces of the two limiting blocks are movably connected with the inner surfaces of two of the connecting grooves and the inner surfaces of the two limiting grooves, the outer surface of the power assembly is sleeved with a spring assembly, the bottom of the spring assembly is fixedly connected to the inside of the power assembly, and the top of the spring assembly is fixedly connected to the inside of the first connecting rod;

[0007] The power assembly includes a connecting plate, the bottom of the connecting plate is fixedly connected to the tops of the two limit blocks, a driving member is fixedly installed on the top of the connecting plate, the top of the driving member extends to the inside of the first connecting rod, the outer surface of the driving member is movably connected to the inner surface of the first connecting rod, the spring assembly is sleeved on the outer surface of the driving member, and the bottom of the spring assembly is fixedly connected to the top of the connecting plate;

[0008] The driving member comprises a driving block, the bottom of the driving block is fixedly connected to the top of the connecting plate, the top of the driving block extends out of the first connecting rod, the outer surface of the driving block is movably connected to the inner surface of the first connecting rod, and the spring assembly is sleeved on the outer surface of the driving block;

[0009] The spring assembly comprises a first spring, the first spring is sleeved on the outer surface of the driving block, the bottom of the first spring is fixedly connected to the top of the connecting plate, and the top of the first spring is fixedly connected to the inner surface of the first connecting rod;

[0010] The second connecting component includes a movable frame, which is movably arranged inside the first connecting rod. A plurality of connecting grooves with the same size as the two limiting grooves are opened at the bottom of the movable frame. One side of the movable frame extends out of the first connecting rod, and a second connecting rod is fixedly arranged on the side of the movable frame away from the first connecting rod.

[0011] Preferably, a first screw is fixedly provided at the bottom of the adjuster, the bottom of the first screw extends out of the first connecting rod, the outer surface of the first screw is movably connected to the inner surface of the first connecting rod, the bottom of the first screw is sleeved with a first nut, the inner surface of the first nut is threadedly connected to the outer surface of the first screw, the second connecting rod is provided with a support frame on the side away from the movable frame, the second connecting rod is movably extended to the inside of the support frame on the side away from the movable frame, a second screw is movably provided inside the second connecting rod, the bottom of the second screw passes through the second connecting rod and extends out of the support frame, the outer surface of the second screw is movably connected to the inner surface of the second connecting rod, the bottom of the second screw is sleeved with a second nut, and the outer surface of the second screw is threadedly connected to the inner surface of the second nut.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When it is necessary to adjust the extension distance of the regulator, the person with limited mobility applies a pulling force to the power assembly, so that the power assembly drives the limit block to move upward, and the power assembly drives the spring assembly to be in a compressed state, and at the same time drives the limit block to leave the limit groove of the first connecting rod and one of the connecting grooves of the second connecting assembly respectively, thereby releasing the limit on the second connecting assembly, and the person with limited mobility can pull the regulator to extend it, so that the regulator drives the first connecting rod to move. When the extension distance of the regulator is adjusted, the person with limited mobility releases the power assembly and releases the drive to the spring assembly. According to the stretchability of the spring, the spring assembly drives the limit block to move downward through the power assembly, and drives the limit block to pass through the connecting groove of another second connecting assembly and extend to the limit groove of the first connecting rod to complete the limit of the regulator. The extension distance of the regulator can be adjusted through this structure, which is convenient for the use of the person with limited mobility and improves the usability of the regulator to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 is a structural schematic diagram of a connection assembly;

[0016] Figure 3 for Figure 2 A schematic diagram of the cross-sectional structure of;

[0017] Figure 4 It is a structural schematic diagram of the power assembly;

[0018] Figure 5 is a schematic structural diagram of a second connection component;

[0019] In the figure: 1-adjuster; 2-first connecting rod; 3-limiting groove; 4-connecting groove; 5-limiting block; 6-connecting plate; 7-driving block; 8-first spring; 9-movable frame; 10-second connecting rod; 11-first screw; 12-first nut; 13-second screw; 14-second nut; 15-support frame; 16-rocker shaft. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with specific embodiments.

[0021] like Figure 1-Figure 5As shown, a rocker-type controller adjustment installation structure, the bottom of the regulator 1 movably extends out of the interior of the installation mechanism, the installation mechanism includes two connecting mechanisms, the bottom of the regulator 1 movably extends out of the interior of two connecting parts, the connecting mechanism includes a first connecting rod 2, the bottom of the regulator 1 movably extends out of the interior of the first connecting rod 2, two limiting grooves 3 are arranged inside the first connecting rod 2, a second connecting component is movably arranged inside the first connecting rod 2, a plurality of connecting grooves 4 of the same size as the two limiting grooves 3 are arranged at the bottom of the second connecting component, a power component is movably arranged inside the first connecting rod 2, the top of the power component extends out of the interior of the first connecting rod 2, two limiting blocks 5 are fixedly arranged at the bottom of the power component, the bottoms of the two limiting blocks 5 respectively pass through two of the connecting grooves 4 and extend into the two limiting grooves 3, the outer surfaces of the two limiting blocks 5 are movably connected with the inner surfaces of two of the connecting grooves 4 and the inner surfaces of the two limiting grooves 3, the outer surface of the power component is sleeved with a spring component, the bottom of the spring component is fixedly connected to the inside of the power component, and the top of the spring component is fixedly connected to the inside of the first connecting rod 2.

[0022] The power assembly includes a connecting plate 6, the bottom of the connecting plate 6 is fixedly connected to the top of the two limit blocks 5, a driving member is fixedly arranged on the top of the connecting plate 6, the top of the driving member extends out of the first connecting rod 2, the outer surface of the driving member is movably connected to the inner surface of the first connecting rod 2, the spring assembly is sleeved on the outer surface of the driving member, the bottom of the spring assembly is fixedly connected to the top of the connecting plate 6, the driving member includes a driving block 7, the bottom of the driving block 7 is fixedly connected to the top of the connecting plate 6, the top of the driving block 7 extends out of the first connecting rod 2, the outer surface of the driving block 7 ... The component is sleeved on the outer surface of the driving block 7, and the spring component includes a first spring 8, which is sleeved on the outer surface of the driving block 7. The bottom of the first spring 8 is fixedly connected to the top of the connecting plate 6, and the top of the first spring 8 is fixedly connected to the inner surface of the first connecting rod 2. The second connecting component includes a movable frame 9, and the movable frame 9 is movably arranged inside the first connecting rod 2. A plurality of connecting grooves 4 with the same size as the two limiting grooves 3 are opened at the bottom of the movable frame 9. One side of the movable frame 9 extends out of the first connecting rod 2, and a second connecting rod 10 is fixedly provided on the side of the movable frame 9 away from the first connecting rod 2.

[0023] When it is necessary to adjust the extension distance of the regulator 1, the person with limited mobility pulls the driving block 7 upward, so that the driving block 7 drives the connecting plate 6 to move upward, so that the connecting plate 6 drives the first spring 8 to be in a compressed state, and at the same time, the connecting plate 6 drives the limit block 5 to move upward, so that the limit block 5 leaves the inside of the limit groove 3 of the first connecting rod 2 and one of the connecting grooves 4 of the movable frame 9, respectively, releases the limit on the movable frame 9, and releases the limit on the second connecting rod 10 at the same time, and the person with limited mobility can pull the regulator 1 to move, so that the regulator 1 drives the first connecting rod 2 to move, and the extension distance of the regulator 1 can be adjusted;

[0024] A first screw 11 is fixedly provided at the bottom of the regulator 1, and the bottom of the first screw 11 extends out of the first connecting rod 2, and the outer surface of the first screw 11 is movably connected to the inner surface of the first connecting rod 2, and a first nut 12 is sleeved at the bottom of the first screw 11, and the inner surface of the first nut 12 is threadedly connected to the outer surface of the first screw 11, and a support frame 15 is provided on the side of the second connecting rod 10 away from the movable frame 9, and the second connecting rod 10 is movably extended to the inside of the support frame 15, and a second screw 13 is movably provided inside the first connecting rod 2, and the bottom of the second screw 13 passes through the second connecting rod 10 and extends out of the inside of the support frame 15, and the outer surface of the second screw 13 is connected to the second The inner surface of the connecting rod 10 is movably connected, and a second nut 14 is sleeved on the bottom of the second screw 13. The outer surface of the second screw 13 is threadedly connected to the inner surface of the second nut 14. People with limited mobility can push the adjuster 1 to move, so that the adjuster 1 drives the first connecting rod 2 to move through the first screw 11, and the connecting rod passes through the limit block 5, so that the limit block 5 drives the movable frame 9 to move, and the movable frame 9 drives the second connecting rod 10 to move, so that the second connecting rod 10 rotates around the second screw 13 to complete the angle adjustment of the adjuster 1. A rocker shaft 16 is fixed on the adjuster 1, and the adjuster 1 can be directly operated through the rocker shaft 16.

[0025] The working principle of the utility model is as follows: when it is necessary to adjust the extension distance of the regulator 1, the person with limited mobility pulls the driving block 7 upward, so that the driving block 7 drives the connecting plate 6 to move upward, so that the connecting plate 6 drives the first spring 8 to be in a compressed state, and at the same time, the connecting plate 6 drives the limit block 5 to move upward, so that the limit block 5 leaves the inside of the limit groove 3 of the first connecting rod 2 and the inside of one of the connecting grooves 4 of the movable frame 9, respectively, releases the limit of the movable frame 9, and releases the limit of the second connecting rod 10 at the same time, and the person with limited mobility can pull the regulator 1 to move, so that the regulator 1 drives the first The connecting rod 2 moves. When the extension distance of the adjuster 1 is adjusted, the person with limited mobility releases the driving block 7 to release the drive to the first spring 8. According to the elasticity of the spring, the first spring 8 drives the limit block 5 to move downward through the connecting plate 6, so that the limit block 5 passes through the connecting groove 4 on the other side of the movable frame 9 and extends to the limit groove 3 of the first connecting rod 2, thereby completing the limitation of the movable frame 9 and the first connecting rod 2. At the same time, the limitation of the adjuster 1 is completed, and the extension distance of the adjuster 1 is adjusted. The person with limited mobility can use the adjuster 1 to control the electric wheelchair.

Claims

1. A rocker-type controller adjustment installation structure, comprising a manually operable regulator, characterized in that: The bottom of the regulator can be movably extended to the outside of the two connecting parts; The connecting part includes a first connecting rod, the bottom of the regulator can be movably extended to the outside of the first connecting rod, two limiting grooves are arranged inside the first connecting rod, a second connecting assembly is movably connected inside the first connecting rod, a plurality of connecting grooves with the same size as the two limiting grooves are arranged at the bottom of the second connecting assembly, a movable power assembly is arranged inside the first connecting rod, the top of the power assembly extends to the outside of the first connecting rod, two limiting blocks are fixedly installed at the bottom of the power assembly, the bottoms of the two limiting blocks respectively pass through the two connecting grooves and extend to the insides of the two limiting grooves, the outer surfaces of the two limiting blocks are movably connected with the inner surfaces of two of the connecting grooves and the inner surfaces of the two limiting grooves, the outer surface of the power assembly is sleeved with a spring assembly, the bottom of the spring assembly is fixedly connected to the inside of the power assembly, and the top of the spring assembly is fixedly connected to the inside of the first connecting rod; The power assembly includes a connecting plate, the bottom of the connecting plate is fixedly connected to the tops of the two limit blocks, a driving member is fixedly installed on the top of the connecting plate, the top of the driving member extends to the inside of the first connecting rod, the outer surface of the driving member is movably connected to the inner surface of the first connecting rod, the spring assembly is sleeved on the outer surface of the driving member, and the bottom of the spring assembly is fixedly connected to the top of the connecting plate; The driving member comprises a driving block, the bottom of the driving block is fixedly connected to the top of the connecting plate, the top of the driving block extends out of the first connecting rod, the outer surface of the driving block is movably connected to the inner surface of the first connecting rod, and the spring assembly is sleeved on the outer surface of the driving block; The spring assembly comprises a first spring, the first spring is sleeved on the outer surface of the driving block, the bottom of the first spring is fixedly connected to the top of the connecting plate, and the top of the first spring is fixedly connected to the inner surface of the first connecting rod; The second connecting component includes a movable frame, which is movably arranged inside the first connecting rod. A plurality of connecting grooves with the same size as the two limiting grooves are opened at the bottom of the movable frame. One side of the movable frame extends out of the first connecting rod, and a second connecting rod is fixedly arranged on the side of the movable frame away from the first connecting rod.

2. The rocker arm controller adjustment installation structure according to claim 1, characterized in that: A first screw is fixedly provided at the bottom of the adjuster, and the bottom of the first screw extends out of the first connecting rod, the outer surface of the first screw is movably connected to the inner surface of the first connecting rod, a first nut is sleeved on the bottom of the first screw, and the inner surface of the first nut is threadedly connected to the outer surface of the first screw, a support frame is provided on the side of the second connecting rod away from the movable frame, and the second connecting rod is movably extended to the inside of the support frame on the side away from the movable frame, a second screw is movably provided inside the second connecting rod, the bottom of the second screw passes through the second connecting rod and extends out of the inside of the support frame, the outer surface of the second screw is movably connected to the inner surface of the second connecting rod, and a second nut is sleeved on the bottom of the second screw, and the outer surface of the second screw is threadedly connected to the inner surface of the second nut.

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