CN210785288U

CN210785288U - Walking stick for blind person

Info

Publication number: CN210785288U
Application number: CN201920773866.4U
Authority: CN
Inventors: 王玉庆
Original assignee: North China Electric Power University
Current assignee: North China Electric Power University
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-06-19
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses a walking stick for blind person, which comprises a chassis, a bottom rod, a top rod and a handle, wherein, two sides and the side of the chassis are respectively and fixedly provided with six ultrasonic ranging modules, the top of the top rod is fixedly provided with a mainframe box, one side of the mainframe box is provided with a plurality of openings, the inside of the mainframe box is respectively and fixedly provided with a singlechip, a GSM module, a battery box, a GPS module and a TTS voice module, the six ultrasonic ranging modules, the GSM module, the GPS module and the TTS voice module are all electrically connected with the singlechip, and the singlechip is electrically connected with the battery box. The blind person is provided with obstacle avoidance voice prompt, and the problem of going out caused by inconvenient vision of the blind person can be solved.

Description

Walking stick for blind person

Technical Field

The utility model relates to a walking stick, in particular to walking stick for blind person.

Background

The blind is a special group of people whose movement is relatively limited due to their limited vision. The number of articles for the blind, such as blind vehicles, guide dogs and blind walking sticks, which are commonly used in the prior art to assist the blind in walking is increasing. The walking stick is also known as cane, crutch and walking stick. It can not only stabilize and strengthen the body and walk, but also enhance the physical strength, besides, the walking stick is also very wonderful. The walking stick for the blind is a walking stick specially used for the blind and used for guiding the blind to walk.

The existing walking stick for the blind has the following defects: 1. the existing blind person walking stick does not have the function of voice obstacle avoidance, is easy to bring inconvenience to a user in the using process, does not have the function of positioning, cannot provide effective help for the user, a guardian and the like when going out, and helps the guardian to quickly find the user; 2. the existing walking stick for the blind is inconvenient for adjusting the angle of the chassis, the chassis cannot be attached to the ground all the time when used on a slope, the comfort during use is reduced, and the counterforce of the existing walking stick for the blind when touching obstacles easily causes the palm of a user to be stabbed and to be very painful.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blind person uses stick to solve the current blind person stick that proposes among the above-mentioned background art and do not possess pronunciation and keep away the problem that the barrier function and do not possess locate function.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cane for blind person, includes chassis, sill bar, ejector pin and handle, the bottom of sill bar and the top swing joint on chassis, the top fixed connection of connecting pipe and sill bar is passed through to the bottom of ejector pin, the top at the ejector pin is installed through damper in the bottom of handle, the both sides on chassis and the fixed six ultrasonic ranging modules that are equipped with respectively of avris, the fixed mainframe box that is equipped with in top of ejector pin, a plurality of trompil has been seted up to one side of mainframe box, the inside of mainframe box is fixed respectively and is equipped with singlechip, GSM module, battery case, GPS module and TTS voice module, six ultrasonic ranging module, GSM module, GPS module and TTS voice module all with singlechip electric connection, just singlechip and battery case electric connection.

As a preferred technical scheme of the utility model, the fixed column that is equipped with in top on chassis, the bottom of sill bar is seted up flutedly, the fixed axle that is equipped with in inside of recess, the fixed axle alternates with the top activity of fixed column to be connected, the bottom of sill bar both sides through two telescopic links respectively with the both sides fixed connection on chassis top, the both sides fixed mounting of chassis bottom has two gyro wheels.

As a preferred technical scheme of the utility model, the telescopic link includes outer pole, interior pole and telescopic link fixer, the outside of pole one end is established to the one end slip cover of outer pole in, the fixed one end that is equipped with at the outer pole of telescopic link fixer, the one end fixed connection of telescopic link fixer and interior pole is passed through to the one end of outer pole, the other end of outer pole and the bottom fixed connection of sill bar, the other end of interior pole and the top fixed connection on chassis.

As a preferred technical scheme of the utility model, a plurality of bolt hole has evenly been seted up at the middle part of connecting pipe, the middle part fixed connection that one of them bolt hole and connecting pipe were passed through the bolt in the top of sill bar, the top of connecting pipe and the bottom fixed connection of ejector pin.

As a preferred technical scheme of the utility model, damper includes sleeve pipe and spliced pole, the bottom at the spliced pole is established to the sheathed tube top slip cover, damping spring and the bottom fixed connection of intraductal wall of cover are passed through to the bottom of spliced pole, the top fixed connection of sheathed tube bottom and ejector pin, the top of spliced pole and the bottom fixed connection of handle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a cane for the blind person has following beneficial effect:

1) when a user walks on a section of road, the six ultrasonic ranging modules are used for acquiring data, obstacles in different directions are identified by comparing the data acquired by the ultrasonic ranging modules, information is fed back to the single chip microcomputer, the single chip microcomputer processes the information and transmits the processed information to the TTS voice module for pronunciation, the user is guided to avoid obstacles, obstacle avoidance voice prompt is provided for the blind person, the problem of trip of the blind person due to inconvenient vision can be solved, the position information of the user is acquired in real time by combining the GPS module, the information is connected to the cloud end through the GSM module, real-time position information is sent to the mobile phone end or the computer end and is fed back to family information of the user, when the user meets an emergency, effective help is provided for the user, a guardian and the like, the guardian can be help;

2) the fixed shaft is movably and alternately connected with the fixed column, the chassis can move 180 degrees in the front-back direction, the fixed shaft and the telescopic rod are matched between the bottom rod and the chassis, different angles of the chassis can be changed through the fixed shaft and then are fixed through the telescopic rod, the chassis is enabled to be attached to the ground all the time, the device is enabled to be more friendly to use, the comfort is improved, the damping spring through the damping mechanism can play a role in damping and buffering, and the reaction force generated when the blind person touches the obstacle is counteracted to the maximum degree.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 4 is a schematic structural view of the damping mechanism of the present invention;

fig. 5 is a schematic diagram of the module structure of the present invention.

In the figure: 1. a chassis; 2. a bottom bar; 3. a top rod; 4. a handle; 5. an ultrasonic ranging module; 6. a main chassis; 7. a single chip microcomputer; 8. a GSM module; 9. a battery case; 10. a GPS module; 11. a TTS voice module; 12. fixing a column; 13. a fixed shaft; 14. a telescopic rod; 15. a roller; 16. a connecting pipe; 17. bolt holes; 18. a bolt; 19. a damping mechanism; 20. a sleeve; 21. connecting columns; 22. a damping spring; 23. and (6) opening holes.

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.

Referring to fig. 1-5, the utility model provides a walking stick for blind person, which comprises a chassis 1, a bottom rod 2, a top rod 3 and a handle 4, wherein the bottom end of the bottom rod 2 is movably connected with the top end of the chassis 1, the bottom end of the top rod 3 is fixedly connected with the top end of the bottom rod 2 through a connecting pipe 16, the bottom end of the handle 4 is arranged at the top end of the top rod 3 through a damping mechanism 19, six ultrasonic ranging modules 5 are fixedly arranged at two sides and the side of the chassis 1 respectively, a mainframe box 6 is fixedly arranged at the top end of the top rod 3, a plurality of open holes 23 are arranged at one side of the mainframe box 6, a singlechip 7 and a GSM module 8 are fixedly arranged in the mainframe, battery case 9, GPS module 10 and TTS voice module 11, six ultrasonic ranging module 5, GSM module 8, GPS module 10 and TTS voice module 11 all with singlechip 7 electric connection, and singlechip 7 and battery case 9 electric connection.

Preferably, the fixed column 12 that is equipped with in top on chassis 1, the recess has been seted up to the bottom of sill bar 2, the fixed axle 13 that is equipped with in inside of recess, fixed axle 13 is connected with the top activity interlude of fixed column 12, the bottom of sill bar 2 both sides is respectively with the both sides fixed connection on chassis 1 top through two telescopic links 14, the both sides fixed mounting in chassis 1 bottom has two gyro wheels 15, make chassis 1 can the 180 activities of fore-and-aft direction through fixed axle 13, can alternate different angles through fixed axle 13, make chassis 1 paste ground all the time, then can make the device use more friendly.

Preferably, telescopic link 14 includes the outer pole, interior pole and telescopic link fixer, the outside of pole one end in is established to the one end slip cover of outer pole, the fixed one end that is equipped with at the outer pole of telescopic link fixer, the one end fixed connection of telescopic link fixer and interior pole is passed through to the one end of outer pole, the other end of outer pole and the bottom fixed connection of sill bar 2, the other end of interior pole and chassis 1's top fixed connection, be convenient for fix the length of telescopic link 14 through the telescopic link fixer, be convenient for then fix chassis 1 and the contained angle between the sill bar 2.

Preferably, a plurality of bolt hole 17 has evenly been seted up in the middle part of connecting pipe 16, and bolt 18 is passed through at the top of sill bar 2 one of them bolt hole 17 and connecting pipe 16's middle part fixed connection, and the top of connecting pipe 16 and the bottom fixed connection of ejector pin 3, adjusting bolt 18 passes the bolt hole 17 of different positions and can adjust sill bar 2, ejector pin 3 and connecting pipe 16's concatenation length, convenient to use person finds the height that is fit for oneself then.

Preferably, damper 19 includes sleeve 20 and spliced pole 21, the top of sleeve 20 is slided the cover and is established the bottom at spliced pole 21, damping spring 22 and the bottom fixed connection of sleeve 20 inner wall are passed through to spliced pole 21's bottom, sleeve 20's bottom and the top fixed connection of ejector pin 3, the top of spliced pole 21 and the bottom fixed connection of handle 4, damping spring 22 who is equipped with through damper 19 can play the effect of shock attenuation buffering, protect user's hand better.

When in specific use, the utility model relates to a walking stick for blind person, when in use, a user can firstly adjust the splicing height of the bottom rod 2 and the ejector rod 3 according to the height of the user, at the moment, the bolt 18 is firstly disassembled, the splicing height of the connecting pipe 16 and the bottom rod 2 is adjusted, after the adjustment is finished, the bottom rod 2 and the connecting pipe 16 are fixedly connected by the bolt 18 passing through the corresponding bolt hole 17, the adjusting bolt 18 passes through the bolt holes 17 at different positions to adjust the splicing length of the bottom rod 2, the ejector rod 3 and the connecting pipe 16, so that the user can conveniently find the height suitable for the user, then the angle of the chassis 1 is adjusted according to the specific conditions of the road section before use, at the moment, the telescopic rod fixer is firstly loosened, then, because the fixed shaft 13 is movably and alternately connected with the fixed column 12, the chassis 1 can move in the front and back direction of 180 degrees, the, the different angles of the chassis 1 can be changed through the fixed shaft 13, then the length of the telescopic rod 14 can be fixed through the telescopic rod fixer, the chassis 1 is enabled to be attached to the ground all the time, the walking stick is enabled to be more friendly to use, the comfort is improved, in the using process, the damping spring 22 of the damping mechanism 19 can play a damping and buffering role, the reaction force when the walking stick of the blind people meets the obstacle is counteracted to the maximum degree, in the normal walking process, the six ultrasonic ranging modules 5 with models of HC-SR04 are firstly utilized to collect data, obstacles in different directions are identified by comparing the data collected by the ultrasonic ranging modules 5, then the information is fed back to the singlechip 7 with models of STC12C5A60S2, the singlechip 7 transmits the processed information to the TTS voice module 11 with models of CH-M4G2M6 to pronounce voice, the user is guided to avoid the obstacle, the obstacle is provided for the blind people, the obstacle-avoiding voice prompt, and, meanwhile, the GPS module 10 with the model of L80-M39 is combined to collect the position information of a user in real time, the GSM module 8 with the model of MG2618 is connected to the cloud, the real-time position information is sent to a mobile phone end or a computer end and is fed back to the information of the family members of the user, when the user encounters an emergency, effective help is provided for the user, a guardian and the like, the guardian is helped to find the user quickly, further accidents are avoided, in addition, the device can be further provided with an SOS button, when the user encounters an emergency, a one-key emergency help function is realized (an SMS function sends a help-seeking short message, TTS sends alarm voice to the periphery at the same time).

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A walking stick for blind people comprises a chassis (1), a bottom rod (2), a top rod (3) and a handle (4), and is characterized in that the bottom end of the bottom rod (2) is movably connected with the top end of the chassis (1), the bottom end of the top rod (3) is fixedly connected with the top of the bottom rod (2) through a connecting pipe (16), the bottom end of the handle (4) is installed at the top end of the top rod (3) through a damping mechanism (19), six ultrasonic ranging modules (5) are fixedly arranged on two sides and an edge side of the chassis (1) respectively, a mainframe box (6) is fixedly arranged on the top of the top rod (3), a plurality of open holes (23) are formed in one side of the mainframe box (6), a singlechip (7), a GSM module (8), a battery box (9), a GPS module (10) and a TTS voice module (11) are fixedly installed in the mainframe box (6) respectively, six ultrasonic ranging module (5), GSM module (8), GPS module (10) and TTS voice module (11) all with singlechip (7) electric connection, just singlechip (7) and battery case (9) electric connection.

2. The cane for the blind as claimed in claim 1, wherein: the improved structure of the automobile chassis is characterized in that a fixing column (12) is fixedly arranged at the top end of the chassis (1), a groove is formed in the bottom end of the bottom rod (2), a fixing shaft (13) is fixedly arranged inside the groove, the fixing shaft (13) is movably and alternately connected with the top of the fixing column (12), the bottoms of the two sides of the bottom rod (2) are fixedly connected with the two sides of the top end of the chassis (1) through two telescopic rods (14), and two idler wheels (15) are fixedly arranged on the two sides of the bottom end of the chassis (1).

3. The cane for the blind as claimed in claim 2, wherein: the telescopic rod (14) comprises an outer rod, an inner rod and a telescopic rod fixer, wherein one end of the outer rod is slidably sleeved outside one end of the inner rod, the telescopic rod fixer is fixedly arranged at one end of the outer rod, one end of the outer rod is fixedly connected with one end of the inner rod through the telescopic rod fixer, the other end of the outer rod is fixedly connected with the bottom of the bottom rod (2), and the other end of the inner rod is fixedly connected with the top end of the chassis (1).

4. The cane for the blind as claimed in claim 1, wherein: a plurality of bolt holes (17) are uniformly formed in the middle of the connecting pipe (16), the top of the bottom rod (2) penetrates through one of the bolt holes (17) through a bolt (18) to be fixedly connected with the middle of the connecting pipe (16), and the top end of the connecting pipe (16) is fixedly connected with the bottom end of the ejector rod (3).

5. The cane for the blind as claimed in claim 1, wherein: damper (19) include sleeve pipe (20) and spliced pole (21), the top sliding sleeve of sleeve pipe (20) is established in the bottom of spliced pole (21), the bottom of spliced pole (21) is through the bottom fixed connection of damping spring (22) and sleeve pipe (20) inner wall, the bottom of sleeve pipe (20) and the top fixed connection of ejector pin (3), the top of spliced pole (21) and the bottom fixed connection of handle (4).