CN114305993A - Handle device and intelligent walking aid device - Google Patents

Abstract

The invention discloses a handle device and an intelligent walking aid device, wherein the handle device comprises an outer shell, a gland, a handle piece and a hand brake piece, the inner part of the outer shell is of a cavity structure, the outer shell is provided with an upper opening and a side opening, the gland is arranged on the upper opening, the handle piece and the hand brake piece are respectively inserted into the outer shell from the side opening, and the handle piece is arranged above the hand brake piece; the handle piece can rotate relative to the outer shell, and the hand brake piece can rotate relative to the outer shell.

Description

A handle device and an intelligent walking aid device

technical field

The invention relates to an intelligent rehabilitation aid, in particular to a handle device and an intelligent walking aid device.

Background technique

At present, the aging of China's population is becoming more and more severe. China's aging has a super-large number of elderly people. It is estimated that by 2030, the proportion of the population aged 60 and above will exceed 20% of the total population, and it will become the world's most aging country. . With the rapid development of population aging, the problem of assisted living for the elderly needs to be solved urgently. According to the results of the Second National Sampling Survey on Disabled Persons, the total number of persons with disabilities in the country is 82.96 million, accounting for 6.34% of the country's total population. Among them, there are 44.16 million disabled persons aged 60 and above, accounting for 53.24% of the total number of disabled persons in the country. %. At the same time, due to the extreme shortage of nursing staff, the disabled, semi-disabled and other people with movement disorders have a great demand for assistive devices. Walking aids, including wheelchairs, walkers, etc., are the most basic and most commonly used assistive devices for people with walking disabilities. . Existing research results show that elderly and disabled people with walking instability or lower limb motor dysfunction can better help them balance, support and walk when using walkers and wheelchairs, and after using them. , These elderly and disabled people with walking instability or lower extremity motor dysfunction will have a certain dependence on walkers and wheelchairs, while ordinary walkers and wheelchairs have insufficient safety such as slipping, falling, etc. The corresponding high-end intelligent mobility aids with high safety and reliability have better application prospects. These smart walkers and smart wheelchairs generally need to be equipped with special handle devices to facilitate the user's operation and detection of usage.

Therefore, the present invention provides a handle device and an intelligent walking aid device, which are practical, applicable, easy to use and low in cost, lay a foundation for the research and development and production of the intelligent walking aid and the intelligent wheelchair, and provide key components, thereby It meets the needs of the elderly and disabled people with walking instability or lower extremity motor dysfunction for intelligent mobility aids.

SUMMARY OF THE INVENTION

For realizing the purpose of the present invention, adopt following technical scheme to realize:

A handle device, comprising an outer casing, a gland, a handle piece and a handbrake, wherein: the inside of the outer casing is a cavity structure, the outer casing is provided with an upper opening and a side opening, the gland is installed on the upper opening, and the handle The handle piece and the handbrake piece are respectively inserted into the housing from the side opening, and the handle piece is installed above the handbrake piece; the handle piece can rotate relative to the outer casing, and the handbrake piece can rotate relative to the outer casing.

In the handle device, wherein: the pressure rod of the handle part and the handbrake rotating part of the handbrake part are respectively inserted into the casing from the side openings.

The handle device, wherein: the handle piece includes a first pin, a preload screw, a C-shaped block, a pressure block, an upper pad, a pressure sensor, a lower pad, a pressure head, a pressure rod and a handle rod; gland; It is fixed on the upper part of the outer casing by bolts and covers the upper opening of the outer casing. The C-shaped block is connected with the gland through bolts. The pressing block, the upper pad, the pressure sensor, the lower pad and the pressing head are installed in sequence, and the pre-tightening screw is screwed into the screw hole of the pressing cover and abuts against the bottom of the shallow countersunk hole on the upper part of the pressing block.

The handle device, wherein: after the pressure rod is inserted into the casing from the side opening, its head is arranged at the lower part of the pressure head, and the pressure head is in contact with the head of the pressure rod; a pin hole is opened on the pressure rod, and the outer casing is A first pin shaft hole is also opened on the upper part, and the first pin shaft passes through the first pin shaft hole of the outer casing and the pin shaft hole on the pressure rod and is installed on the outer casing.

The handle device, wherein: the head of the pressure rod is provided with a shallow counterbore, and the lower end face of the pressure head is in contact with the bottom surface of the counterbore of the head of the pressure rod; The handle bar is fixedly connected, and the outside of the handle bar is covered with a handle cover.

The handle device, wherein: the lead wire of the pressure sensor is led out from the opening on the front side of the C-shaped through hole slot.

The handle device, wherein: the hand brake includes a hand brake handle, a second pin shaft, a third pin shaft, a hand brake rotating part, a magnet, a Hall sensor, a Hall sensor fixing block, a first spring hanging rod, a spring and a first Two spring hanging rods; the handbrake rotating member is inserted into the outer casing from the side opening of the outer casing, the outer casing is provided with a second pin shaft hole, and the second pin shaft passes through the second pin shaft hole and the pin shaft on the handbrake rotating member The third pin shaft through which the part of the handbrake turning piece exposed outside the side opening passes is hinged with the handbrake handle.

The handle device, wherein: a magnet is embedded in the lower part of the front side of the handbrake rotating part in the casing, the Hall sensor is fixed on the Hall sensor fixing block, the Hall sensor fixing block is fixed in the outer casing, and the Hall sensor is connected to the outer casing. The magnets are arranged oppositely; the handbrake rotating member is respectively installed with a first spring hanging rod and a second spring hanging rod in the middle part of the front side in the outer casing and the inner side of the front wall of the outer casing, and the two ends of the spring are respectively hung on the first spring hanging rod and the second spring hanging rod. Two springs on the rod.

The handle device, wherein: the small head of the lower part of the indenter is exposed outside the bottom of the C-shaped through-hole groove, and the upper large head is supported by the steps in the C-shaped through-hole groove

An intelligent walking aid device includes the handle device as described in one of the above.

The intelligent walking aid device, wherein: the intelligent walking aid device includes an intelligent wheelchair and an intelligent walker.

Compared with the prior art, the advantages and positive effects of the present invention include at least:

1. The handle device of the present invention is provided with a pressure sensor, which can fully collect the pressure exerted by the user's hand on the handle, and provide digital input for the intelligent wheelchair and the intelligent walker, thereby realizing the intelligence of the wheelchair and the walker. control.

2. The handle device of the present invention is provided with a handbrake sensing sensor, which can better collect the handbrake sensing distance. According to the information, the smooth braking of the wheelchair and the walker can be better achieved, and the wheelchair based on the present invention can be better improved. and ease of use and practicality of walkers.

3. The handle device of the present invention adopts a low-cost pressure film sensor and a Hall distance sensor, and has a simple structure and is easy to process, which can greatly reduce the production cost of the entire handle.

4. The handle device of the present invention is easy to install, and can be applied to the intelligent transformation of most wheelchairs and walking aids.

Description of drawings

1 is a schematic diagram of the overall structure of the handle device of the present invention;

Fig. 2 is the sectional view of the side view of Fig. 1;

3 is an exploded view of the overall structure of the present invention;

Fig. 4 is the exploded view of the view from another direction of Fig. 3;

Figure 5 is a partial view of bitmap 2;

6 is a schematic diagram of the handbrake operation of the present invention;

FIG. 7 is a schematic diagram of the present invention when the handle device is installed on the intelligent walker and used;

FIG. 8 is a schematic diagram of the handle device of the present invention being installed on an intelligent wheelchair;

Detailed ways

The smart handle device of the present invention will be described in detail below with reference to the accompanying drawings 1-8.

As shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 and FIG. 5 , the handle device of the present invention includes an outer casing 01 , a pressing cover 02 , a handle piece and a hand brake piece. The inside of the outer casing 01 is a cavity structure, the outer casing 01 is provided with an upper opening and a side opening 01c, the pressure cover 02 is installed on the upper opening, the pressure rod 18 of the handle piece and the handbrake rotating piece 22 of the handbrake piece are respectively opened from the side. The opening 01c is inserted in the housing 01, and the pressure lever 18 is installed above the handbrake rotor 22.

The handle piece includes a first pin shaft 03, a preload screw 11, a C-shaped block 12, a pressure block 13, an upper pad 14, a pressure sensor 15, a lower pad 16, a pressure head 17, a pressure rod 18, a handle rod 19, a handle The handle cover 20; the handbrake part includes the handbrake handle 21, the handbrake rotating part 22, the second pin 04, the third pin 05, the magnet 23, the Hall sensor 24, the Hall sensor fixing block 25, the first spring hanging rod 26, Spring 27 and second spring hanger 28 .

The connection and installation relationship of each part is as follows: the gland 02 is fixed on the upper part of the outer casing 01 by bolts, and covers the upper opening of the outer casing 01; , the pressure head 17 and the pressure rod 18 are installed in the casing 01 in sequence from top to bottom; the C-shaped block 12 is connected to the gland 02 by bolts, and the C-shaped block 12 has a C-shaped through hole slot 12a. The pressure block 13, the upper pad 14, the pressure sensor 15, the lower pad 16 and the pressure head 17 are placed in the groove 12a in order from top to bottom. The steps in the C-shaped through-hole groove 12a are supported; after the pressure rod 18 is inserted into the housing 01 from the side opening 01c, its head is set at the lower part of the pressure head 17, the pressure head 17 is in contact with the head of the pressure rod 18, and the screw is pre-tightened 11 is screwed into the C-shaped through hole groove 12a of the C-shaped block 12 from the upper part in the screw hole of the pressure cover 02, and abuts with the bottom of the shallow counterbore on the upper part of the pressure block 13; the pressure rod 18 has a The pin shaft hole, the outer casing 01 also has a first pin shaft hole, the first pin shaft 03 is installed on the outer casing 01 after passing through the first pin shaft hole of the outer casing 01 and the pin shaft hole on the pressure rod 18 , the pressure rod 18 can rotate around the first pin 03; preferably, the pressure rod 18 has a shallow counterbore at the head, and the lower end surface 17a of the pressure head 17 is in relative contact with the bottom surface 18a of the counterbore of the pressure rod head; the pressure rod 18 The part exposed outside the side opening 01c of the outer casing 01 is provided with a screw hole 18a, and the handle rod 19 sleeved on the pressure rod 18 is fixed on the pressure rod 18 by the bolts installed on the 18a, and the handle rod 19 The outer side is covered with a handle cover 20; the lead wire of the pressure sensor 15 is drawn out from the opening on the front side of the C-shaped through-hole groove 12a, the front wall of the outer casing 01 is provided with a wire hole, and the lead wire of the pressure sensor 15 is connected to the wheelchair or walker through the wire hole. The control devices are electrically connected by wires.

A second pin shaft 04 is also installed on the outer casing 01 through the second pin shaft hole on the outer casing 01, and the second pin shaft hole is arranged at the lower part of the first pin shaft hole; the handbrake rotating piece 22 is inserted into the outer casing from the side opening 01c. In body 01, the second pin shaft 04 passes through the second pin shaft hole and the pin shaft hole on the handbrake rotating member 22 and is installed on the outer casing 01. The handbrake rotating member 22 can rotate around the second pin shaft 04, and the handbrake rotating member 22 The part of the part 22 exposed outside the side opening 01c passes through the third pin 05 and the handbrake handle 21 is hinged; the handbrake rotating part 22 is embedded with a magnet 23 in the lower part of the front side in the housing 01, and the Hall sensor 24 is fixed on the Hall sensor On the fixing block 25, the Hall sensor fixing block 25 is fixed in the outer casing 01, the Hall sensor 24 is opposite to the magnet 23; the handbrake rotating piece 22 is installed with a first spring hanging rod 26 in the middle of the front side in the outer casing 01, and the outer casing A second spring hanging rod 28 is installed on the inner side of the front wall of the 01, and both ends of the spring 27 are respectively hung on the first spring hanging rod 26 and the second spring hanging rod 28. The lead wire of the Hall sensor 24 is electrically connected to the control device of the wheelchair or the walker through the wire through the wire hole on the front wall of the outer casing 01 .

The concrete operation of the present invention is as follows:

As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, when the user presses his hand on the handle cover 20 of the present invention, the head of the pressure rod 18 will rotate around the first pin shaft 03 along the arrow M direction , the sinking surface 18a of the head of the pressure rod 18 exerts force on the lower end surface 17a of the pressure head, and the pressure head 17 is pushed up, so as to place the lower pad 16, the pressure sensor 15, the upper pad 14, and the pressure block 13 in the C-shaped block of the C-shaped block. The groove moves upward or deforms, so that the pressure sensor 15 detects the pressure exerted by the lower pad 16 and the upper pad 14 on the pressure sensor 15 and sends it to the control device through the lead. The upper pad 14 and the lower pad 16 are made of soft materials such as rubber, which can protect the pressure sensor 15 . Adjust the pre-tightening screw 11 so that the pre-tightening screw can change the size of the pressure applied to the pressure block 13, and work with the pressure rod 18, the lower pad 16 and the upper pad 14 to change the size of the force pre-applied to the pressure sensor 15; Adjusting the preload screw 11 can ensure reliable force measurement of the pressure sensor 15 .

As shown in FIGS. 2 and 6 , when the user turns the handbrake handle 21 to the direction of the handle cover 20 , under the combined action of the spring 28 and the handbrake handle 21 , the handbrake rotating member 22 rotates, so that the magnet 23 and the The distance D between the hall sensors 24 increases, and the hall sensors 24 can detect the change of the distance D, so that the control device can control the braking intensity according to the change of the distance D. The spring 27 can increase the resistance when turning the handbrake handle 21, so that the user can have a feeling similar to that of using a mechanical brake, thereby increasing the comfort of use. Meanwhile, when the user releases the handbrake handle, the spring 27 can ensure that the handbrake rotating member 22 returns to the initial position.

In a preferred embodiment of the present invention, as shown in FIG. 7 , the smart handle device HB of the present invention is installed on the walker WB, and the pressure sensor 15 and the hall sensor 24 are connected to the control of the walker WB through signal lines On the device CB, by receiving the pressure and distance signals from the smart handle HB, the use status and characteristics of the walker can be judged, and the start, stop, driving speed, automatic follow-up, and brake off the handle of the walker can be controlled. , electronic braking, braking speed, etc., make the walker have intelligent functions, better ensure the safety of the user, and improve the ease of use and safety of the walker.

Another preferred embodiment of the present invention is shown in FIG. 8 , the smart handle device HB of the present invention is installed on the wheelchair WC. When the nursing staff uses the handle cover 20 to push the wheelchair, by receiving the pressure from the smart handle HB and distance signals, can judge the use status and characteristics of the wheelchair, and control the start, stop, assist, damping, etc. of the wheelchair according to these signals, so that the wheelchair has intelligent functions, which can effectively reduce the labor intensity of nursing staff, and better ensure the wheelchair. The safety of the user improves the ease of use and safety of the wheelchair. .

It should be understood by those skilled in the art that the above-mentioned illustrations and embodiments are only used to explain the present invention and not to make any limitation thereto.

Claims (3)

1. The utility model provides a hand (hold) device, includes shell body, gland, hand (hold) spare and manual brake spare, its characterized in that: the inner part of the shell is of a cavity structure, the shell is provided with an upper opening and a side opening, the gland is arranged on the upper opening, the handle piece and the hand brake piece are respectively inserted into the shell from the side opening, and the handle piece is arranged above the hand brake piece; the handle piece can rotate relative to the outer shell, and the hand brake piece can rotate relative to the outer shell.

2. The handlebar arrangement of claim 1, wherein: the pressure lever of the handle member and the hand brake rotor of the hand brake member are inserted into the housing from the side openings, respectively.

3. The utility model provides an intelligence helps capable device which characterized in that: the intelligent walker device comprising a handlebar device according to one of claims 1-2.

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