CN210919964U

CN210919964U - Shock absorption suspension mechanism of electric wheelchair

Info

Publication number: CN210919964U
Application number: CN201921715592.XU
Authority: CN
Inventors: 范志清
Original assignee: Kunshan Aoshida Electric Technology Co ltd
Current assignee: Kunshan Aoshida Electric Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-07-03
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses an electronic wheelchair shock attenuation suspension mechanism, which comprises a fixing plate and i, two dampers of upper surface both sides difference fixedly connected with of fixed plate, first damping spring has all been cup jointed to the outside of four dampers, the bottom of first damping spring and the top fixed connection of fixed plate, the first snubber block of top difference fixedly connected with of four dampers and first damping spring, the top fixedly connected with rubber slab of four first snubber blocks, the top fixedly connected with base of rubber slab, the inside both sides of base are provided with horizontal damping device respectively. The utility model discloses a setting of attenuator, first damping spring and rubber slab can utilize the compression of first spring and attenuator to cushion the impact of jolting and producing when the road surface is jolted to reduce the vibrations of jolting and producing the wheelchair, improved the comfort level of person of taking, simple structure, the cost is lower, very big reduction manufacturing cost.

Description

Shock absorption suspension mechanism of electric wheelchair

Technical Field

The utility model relates to an electronic wheelchair technical field, in particular to electronic wheelchair shock attenuation suspension mechanism.

Background

At present, the aging of the global population is particularly prominent, and the development of special disabled groups brings diversified demands of the old health industry and the special group industry market, along with the improvement of the living standard of residents, people put forward higher requirements on the quality, the use performance and the comfort of products, and in addition, the urban life rhythm is accelerated, so that the time for children to take care of old people and patients at home is less and less, and the old people and the disabled people are inconvenient to use the manual wheelchair, and therefore, the electric wheelchair is generated.

People often easily receive the impact force of coming suddenly when sitting on the wheelchair, perhaps people sit on the wheelchair suddenly, the anti-shake of wheelchair to people is stronger, cause uncomfortable feeling easily, and make people be injured easily, so the wheelchair need be to its shock attenuation, but present electronic wheelchair shock attenuation suspension mechanism mostly all uses multiple electrical apparatus structure to weaken the vibrations effect, the structure that has leaded to shock attenuation suspension mechanism is more complicated, and electrical apparatus structure's cost is generally all higher moreover, and then leads to the manufacturing cost increase of electronic wheelchair.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic wheelchair shock attenuation hangs mechanism to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic wheelchair shock attenuation suspension mechanism, includes the fixed plate, two dampers of upper surface both sides difference fixedly connected with of fixed plate, four first damping spring has all been cup jointed to the outside of damper, the bottom of first damping spring and the top fixed connection of fixed plate, four the first snubber block of top difference fixedly connected with of damper and first damping spring, four the top fixedly connected with rubber slab of first snubber block, the top fixedly connected with base of rubber slab, the inside both sides of base are provided with horizontal damping device respectively.

Preferably, horizontal damping device includes the diaphragm and bears the box, the one end of diaphragm and one side activity interlude of base are connected and are extended to the inside that bears the box, the one end fixedly connected with riser of diaphragm, the bottom of riser and the inner chamber sliding connection who bears the box, the inside one side fixedly connected with second damping plate who bears the box, fixedly connected with second damping spring between second damping plate and the riser.

Preferably, a plurality of through-holes have been seted up to the upper surface of fixed plate, it is a plurality of the through-hole alternates respectively to be connected with the bolt, and is a plurality of the one end of bolt runs through-hole threaded connection has the vehicle bottom plate.

Preferably, the inside fixedly connected with backup pad of base, the both sides of backup pad respectively with two one side fixed connection who bears the weight of the box.

Preferably, slide rails are arranged at the top and the bottom of the bearing box, and the vertical plate is connected with the bearing box in a sliding mode through the slide rails.

Preferably, the first damping spring and the second damping spring are compression springs or tension springs.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a setting of attenuator, first damping spring and rubber slab can utilize the compression of first spring and attenuator to cushion the impact that jolts and produce when jolting to reduce the vibrations that jolting and produce the wheelchair, improved user's comfort level, simple structure, the cost is lower, very big reduction manufacturing cost;

2. the utility model discloses a second damping spring and the design of second shock attenuation board weaken the vibrations of electronic wheelchair's horizontal direction, provide more comfortable experience for the user, further improve the buffering shock attenuation effect to the wheelchair.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is an enlarged schematic view of the a position of the present invention.

In the figure: 1. a fixing plate; 2. a damper; 3. a first damping spring; 4. a first damper block; 5. a rubber plate; 6. a base; 7. a lateral damping device; 8. a transverse plate; 9. a carrying box; 10. a vertical plate; 11. a second damper plate; 12. a second damping spring; 13. a through hole; 14. a bolt; 15. a vehicle bottom plate; 16. a support plate; 17. a slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a shock-absorbing suspension mechanism of an electric wheelchair as shown in figures 1-3, which comprises a fixed plate 1, two dampers 2 are respectively fixedly connected with two sides of the upper surface of the fixed plate 1, first shock-absorbing springs 3 are respectively sleeved outside the four dampers 2, the bottom ends of the first shock-absorbing springs 3 are fixedly connected with the top of the fixed plate 1, the first shock-absorbing springs 3 and the dampers 2 are sleeved, the dampers 2 can limit the first shock-absorbing springs 3, the first shock-absorbing springs 3 are prevented from shifting in the process of reciprocating and continuous expansion, first shock-absorbing blocks 4 are respectively fixedly connected with the top of the four dampers 2 and the first shock-absorbing springs 3, rubber plates 5 are fixedly connected with the top of the four first shock-absorbing blocks 4, a base 6 is fixedly connected with the top of the rubber plates 5, transverse shock-absorbing devices 7 are respectively arranged on two inner sides of the base 6, when the electric wheelchair is in vibration, damper 2 and first damping spring 3 stretch out and draw back simultaneously, drive first snubber block 4 and rubber slab 5 and carry out the removal of vertical direction simultaneously, through the combined action of these devices, carry out more weakly to vibrations.

The transverse damping device 7 comprises a transverse plate 8 and a bearing box 9, one end of the transverse plate 8 is movably connected with one side of the base 6 in an inserting way and extends into the bearing box 9, one end of the transverse plate 8 is fixedly connected with a vertical plate 10, the bottom of the vertical plate 10 is connected with the inner cavity of the bearing box 9 in a sliding way, one side of the inner part of the bearing box 9 is fixedly connected with a second damping plate 11, a second damping spring 12 is fixedly connected between the second damping plate 11 and the vertical plate 10, when the horizontal direction meets vibration, the transverse plate 8 is stressed by the force in the horizontal direction to push the vertical plate 10 to move, the vertical plate 10 pushes the second damping spring 12 to expand and contract, the vibration in the horizontal direction is weakened, a plurality of through holes 13 are arranged on the upper surface of the fixing plate 1, the plurality of through holes 13 are respectively connected with bolts 14 in an inserting way, one end of the plurality of bolts 14 is connected with a vehicle bottom plate 15 in a threaded, inside fixedly connected with backup pad 16 of base 6, the both sides of backup pad 16 respectively with two one side fixed connection who bears box 9, backup pad 16 supports the protection to the base 6 of wheelchair, it can carry out the shock attenuation to backup pad 16 better to be equipped with horizontal damping device 7 respectively in the both sides of backup pad 16, thereby carry out the shock attenuation to base 6, and then realize carrying out the absorbing purpose to electronic wheelchair, slide rail 17 has all been seted up to the top and the bottom that bear box 9, one side of two slide rail 17 slides respectively the joint has the slider, the top and the bottom of riser 10 respectively with one side fixed connection of two sliders, riser 10 passes through slider and slide rail 17 and bears box 9 sliding connection, first damping spring 3 and second damping spring 12 are pressure spring or extension spring.

This practical theory of operation: when the user traveles on uneven road surface, first damping spring 3 and attenuator 2 can stretch out and draw back simultaneously, make the vertical removal of first snubber block 4, first snubber block 4 removes the 5 vertical removals of rubber slab that make fixed connection, thereby make the vertical removal of electronic wheelchair base 6, and then weaken the vibrations of vertical direction, when the horizontal direction of base 6 receives external force and produces vibrations, diaphragm 8 is extrudeed, the direction to backup pad 16 removes, diaphragm 8 removes and drives riser 10 and slide along slide rail 17, thereby compress second damping spring 12, second damping spring 12 has produced the reverse acting force to riser 10, weaken the power that receives riser 10, second damping spring 12 receives inertial effect and resets, thereby make the vibrations of horizontal direction weakened.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an electronic wheelchair shock attenuation suspension mechanism, includes fixed plate (1), its characterized in that: the damping device is characterized in that two dampers (2) and four dampers are fixedly connected to two sides of the upper surface of the fixing plate (1) respectively, a first damping spring (3) is sleeved outside the dampers (2), the bottom end of the first damping spring (3) is fixedly connected with the top of the fixing plate (1), four dampers (2) and the top of the first damping spring (3) are fixedly connected with a first damping block (4) and four damping blocks (4) respectively, the top of each damping block (4) is fixedly connected with a rubber plate (5), the top of each rubber plate (5) is fixedly connected with a base (6), and transverse damping devices (7) are arranged on two sides of the inside of each base (6) respectively.

2. The electric wheelchair suspension mechanism of claim 1 wherein: horizontal damping device (7) are including diaphragm (8) and bear box (9), the one end of diaphragm (8) and one side activity interlude of base (6) are connected and are extended to the inside that bears box (9), the one end fixedly connected with riser (10) of diaphragm (8), the bottom of riser (10) and the inner chamber sliding connection who bears box (9), bear inside one side fixedly connected with second damping plate (11) of box (9), fixedly connected with second damping spring (12) between second damping plate (11) and riser (10).

3. The electric wheelchair suspension mechanism of claim 1 wherein: a plurality of through-holes (13) have been seted up to the upper surface of fixed plate (1), and is a plurality of through-hole (13) alternate respectively and are connected with bolt (14), and is a plurality of the one end through-hole (13) threaded connection of bolt (14) has vehicle bottom plate (15).

4. The electric wheelchair suspension mechanism of claim 1 wherein: the inner part of the base (6) is fixedly connected with a supporting plate (16), and two sides of the supporting plate (16) are fixedly connected with one side of the two bearing boxes (9) respectively.

5. The electric wheelchair suspension mechanism of claim 2 wherein: slide rails (17) are arranged at the top and the bottom of the bearing box (9), and the vertical plate (10) is connected with the bearing box (9) in a sliding mode through the slide rails (17).

6. The electric wheelchair suspension mechanism of claim 1 wherein: the first damping spring (3) and the second damping spring (12) are compression springs or tension springs.