CN106726367A - A kind of telescopic crutch - Google Patents
A kind of telescopic crutch Download PDFInfo
- Publication number
- CN106726367A CN106726367A CN201710003514.6A CN201710003514A CN106726367A CN 106726367 A CN106726367 A CN 106726367A CN 201710003514 A CN201710003514 A CN 201710003514A CN 106726367 A CN106726367 A CN 106726367A
- Authority
- CN
- China
- Prior art keywords
- nut
- screw
- tube
- thread
- outer tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/02—Crutches
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0192—Specific means for adjusting dimensions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention provides a kind of telescopic crutch, have the feature that, including：Handle, holds for user, and pre-position is provided with switch；Cell tube, is connected with handle, and for accommodating battery, the battery is electrically connected with switch；Outer tube, is connected with cell tube；Motor, is arranged in one end near cell tube of outer tube, is electrically connected with battery；Leading screw, is arranged in outer tube, including screw rod and nut, and screw rod is fixedly connected with the rotary shaft of motor, and the interlude of screw rod is provided with external thread of screw, and nut is provided with nut inner thread and nut external screw thread, and nut inner thread matches with external thread of screw；Inner tube, is partly inserted in outer tube, and inwall is provided with the Internal Pipe Thread matched with nut external screw thread, is moved in outer tube under the drive of leading screw.
Description
Technical field
The present invention relates to a kind of telescopic crutch.
Background technology
Crutch is the walking instrument of the required auxiliary of some individuals with disabilities and the elderly.Existing crutch is mostly
Simple shaft-like crutch, simple structure, unitary function is made up of the cane body and handle of regular length.The crutch of regular length
The use requirement of the user of different heights cannot be met, also cannot according to the motion state of user carry out it is corresponding flexible come
Adapt to user.Existing telescopic crutch there is also the problems such as some motors are stuck, volume is larger and carries inconvenient.
The content of the invention
The present invention is carried out to solve the above problems, it is therefore intended that provide a kind of telescopic crutch.
The invention provides a kind of telescopic crutch, have the feature that, including：Handle, holds for user, predetermined
Switch is provided with position；Cell tube, is connected with handle, and for accommodating battery, the battery is electrically connected with switch；Outer tube, with electricity
Pond pipe is connected；Motor, is arranged in one end near cell tube of outer tube, is electrically connected with battery；Leading screw, is arranged on outer tube
Interior, including screw rod and nut, screw rod is fixedly connected with the rotary shaft of motor, and the interlude of screw rod is provided with external thread of screw, nut
Nut inner thread and nut external screw thread are provided with, nut inner thread matches with external thread of screw；Inner tube, is partly inserted in outer
Pipe, inwall is provided with the Internal Pipe Thread matched with nut external screw thread, is moved in outer tube under the drive of leading screw.
In the telescopic crutch that the present invention is provided, can also have the feature that：Wherein, leading screw also include fixture with
And first spring, fixture is arranged on one end near motor of screw rod；One end of first spring is connected with fixture, the other end
It is connected with the upper surface of nut, for propping up nut, the upper end for making it not depart from external thread of screw.
In the telescopic crutch that the present invention is provided, can also have the feature that：Wherein, fixture be fixed block or
Fixing nut.
In the telescopic crutch that the present invention is provided, can also have the feature that, also include：Inner tube rotates stopper,
Wherein, inner tube rotation stopper is arranged on the lower surface of outer tube, and the inner surface setting of inner tube rotation stopper is fluted, inner tube
The raised line that outer surface is provided with groove match and is slided in groove.
In the telescopic crutch that the present invention is provided, can also have the feature that：Wherein, leaning between inner tube and outer tube
One end of nearly inner tube rotation stopper is provided with second spring, and one end of the second spring is connected with inner tube rotation stopper, separately
One end is connected with the lower surface of nut, for propping up nut, the lower end for making it not depart from external thread of screw.
The effect of invention and effect
According to telescopic crutch involved in the present invention, drive screw rod to rotate because employing motor, realize the flexible of crutch,
So can not only aid in user to walk, external force auxiliary can also be provided according to the demand of user.
Other controlling switch is arranged at handle, and convenient use person according to self-condition and the situation of presence, turn in time by control
The collapsing length of cane.And due to only when the interlude of screw rod is provided with external thread of screw, therefore crutch extension to certain stroke,
Motor occurs idle running, can so prevent prevention motor stuck, it is to avoid crutch occur and break down, made troubles to user
Even cause the situation of danger.
Brief description of the drawings
Fig. 1 is the structural representation of telescopic crutch in embodiments of the invention；
Fig. 2 is the part-structure schematic diagram of telescopic crutch in embodiments of the invention；And
Fig. 3 is the part-structure schematic diagram of telescopic crutch in embodiments of the invention.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, it is real below
Example combination accompanying drawing is applied to be specifically addressed telescopic crutch of the present invention.
Fig. 1 is the structural representation of telescopic crutch in embodiments of the invention.
As shown in figure 1, telescopic crutch 100 includes handle 10, cell tube 20, outer tube 30, motor 40, leading screw 50, inner tube 60
And inner tube rotary mount 70.
Handle 10 includes handle body 11, switch 12 and handle connecting tube 13, and handle body 11 holds for user, opens
Close 12 to be arranged in handle body 11, the threaded connection of the dredging collateral of handle connecting tube 13 is connected with cell tube 20.In the present embodiment, open
It is three foot controls to close 12, and the material of handle connecting tube uses 6061 aluminium alloys.
Cell tube 20 is used to accommodate battery, and the battery is electrically connected with switch 12.In the present embodiment, cell tube 20 is to use
What aluminum alloy materials were prepared from.
Outer tube 30 includes outer tube part 31 in succession, is connected with cell tube 20 by outer pipe connections 31.In the present embodiment, outward
The material of pipe 30 uses aluminum alloy materials.
Motor 40 is arranged in one end of the close cell tube 20 of outer tube 30, is had rotating forward, reversion and is stopped three kinds of work
State.
Fig. 2 is the part-structure schematic diagram of telescopic crutch in embodiments of the invention.
As shown in Fig. 2 leading screw 50 is arranged in outer tube 30, including screw rod 51, nut 52, the spring of fixture 53 and first
54.In the present embodiment, leading screw 18 is trapezoidal screw.
Screw rod 51 is fixedly connected with the rotary shaft of motor 40, and the interlude of screw rod 51 has external thread of screw, can control to stretch
The flexible stroke of contracting crutch 100.
Nut 52 has nut inner thread and nut external screw thread, and nut inner thread matches with external thread of screw.
Fixture 53 is arranged on one end that screw rod 51 is connected with motor 40, and fixture 53 can be fixed block or fixed spiral shell
It is female.In the present embodiment, fixture 53 is fixing nut.
One end of first spring 54 is connected with fixture 53, and the other end is connected with the upper surface of nut 51, in fixed block 53
In the presence of prop up nut, make the upper end of its external thread of screw for not departing from screw rod 51, and then engagement screws 51 and nut 52.
Inner tube 60 is arranged in outer tube 30, including second spring 61 and rubber blanket 62, is had on inwall and nut external screw thread
The Internal Pipe Thread for matching.In the present embodiment, inner tube 21 is prepared from using aluminum alloy materials.
Second spring 61 be arranged on inner tube rotate stopper 70 top, between outer tube 30 and inner tube 60, one end with
Inner tube rotation stopper 70 is connected, and the other end is connected with the lower surface of nut 52, and second spring 61 rotates stopper 70 in inner tube
In the presence of prop up nut, make the lower end of its external thread of screw for not departing from screw rod 51, and then engagement screws 51 and nut 52.
Rubber blanket 62 is arranged on the lower surface of inner tube 60, with anti-skidding effect.
Fig. 3 is the part-structure schematic diagram of telescopic crutch in embodiments of the invention.
Inner tube rotation stopper 70 is arranged on the lower surface of outer tube 30, and inwall is provided with groove, in the present embodiment, inner tube
Rotate the diameter of the inner diameter less than nut 52 of stopper 70.
The raised line that the outer surface of inner tube 60 is provided with groove match and is slided in groove so that inner tube 60 was being stretched
Do not rotated in journey.
The operation principle of the telescopic crutch 100 in the present embodiment is：When motor 40 is rotated forward, drive screw rod 51 to rotate forward, make
Obtain nut 52 and inner tube 60 glides, realize the continuous elongation of telescopic crutch 100, be snapped down to outside the screw rod of screw rod 51 in nut 52
During the lower end of screw thread, due to without the screw thread engaged with nut 52 so that nut 52 cannot continue to glide, and motor 40 drives spiral shell
Bar 51 dallies, and second spring 61 props up nut 52, makes the lower end of its external thread of screw for not departing from screw rod 51, and then engagement screws
51 with nut 52, prevent motor stuck.
When motor 40 is inverted, screw rod 51 is driven to invert so that nut 52 and inner tube 60 rise, and realize telescopic crutch
100 continuous shortening, when nut 52 rises to the upper end of the external thread of screw of screw rod 51, due to being engaged without with nut 52
Screw thread so that nut 52 cannot continue rise, motor 40 drive screw rod 51 dally, effect of first spring 54 in fixture 53
Under, nut 52 is propped up, make the upper end of its external thread of screw for not departing from screw rod 51, and then engagement screws 51 and nut 52, prevent
Motor is stuck.
When motor 17 stops, telescopic crutch 100 is in certain length and keeps this length constant.
The effect of embodiment and effect
According to telescopic crutch involved in the present invention, drive screw rod to rotate because employing motor, realize the flexible of crutch,
So can not only aid in user to walk, external force auxiliary can also be provided according to the demand of user.
Other controlling switch is arranged at handle, and convenient use person according to self-condition and the situation of presence, turn in time by control
The collapsing length of cane.And due to only when the interlude of screw rod is provided with external thread of screw, therefore crutch extension to certain stroke,
Motor occurs idle running, can so prevent prevention motor stuck, it is to avoid crutch occur and break down, made troubles to user
Even cause the situation of danger.
One end of the leading screw of motor connection is provided with spring and fixture simultaneously, bullet is provided between inner tube and outer tube
Spring, can prevent in rotation process nut from departing from the nut external thread section of screw rod, make together with nut tightly engages with screw rod.
And inner tube outer surface be provided with raised line and inner tube rotation stopper on be provided with the groove that raised line matches, so can in case
Only inner tube is rotated in telescopic process, in addition whole telescopic crutch simple structure, and cost is relatively low, easy to carry.
Above-mentioned implementation method is preferred case of the invention, is not intended to limit protection scope of the present invention.
Claims (5)
1. a kind of telescopic crutch, it is characterised in that including：
Handle, holds for user, and pre-position is provided with switch；
Cell tube, is connected with the handle, and for accommodating battery, the battery is electrically connected with the switch；
Outer tube, is connected with the cell tube；
Motor, is arranged in one end of close described cell tube of the outer tube, is electrically connected with the battery；
Leading screw, is arranged in the outer tube, including screw rod and nut, and the screw rod is fixedly connected with the rotary shaft of the motor,
The interlude of the screw rod is provided with external thread of screw, and the nut is provided with nut inner thread and nut external screw thread, the spiral shell
Female internal thread matches with the external thread of screw；
Inner tube, is partly inserted in the outer tube, and inwall is provided with the Internal Pipe Thread matched with the nut external screw thread, in the silk
Moved in the outer tube under the drive of thick stick.
2. telescopic crutch according to claim 1, it is characterised in that：
Wherein, the leading screw also includes fixture and the first spring, and it is described that the fixture is arranged on being close to for the screw rod
One end of motor；
One end of first spring is connected with the fixture, and the other end is connected with the upper surface of the nut, for propping up
The nut, the upper end for making it not depart from the external thread of screw.
3. telescopic crutch according to claim 2, it is characterised in that：
Wherein, the fixture is fixed block or fixing nut.
4. telescopic crutch according to claim 1, it is characterised in that also include：
Inner tube rotates stopper,
Wherein, said inner tube rotation stopper is arranged on the lower surface of the outer tube, and said inner tube rotates the inner surface of stopper
Set fluted,
The raised line that the outer surface of said inner tube is provided with the groove match and is slided in the groove.
5. telescopic crutch according to claim 3, it is characterised in that：
Wherein, one end of the close said inner tube rotary mount between said inner tube and the outer tube is provided with second spring,
One end of the second spring is connected with said inner tube rotation stopper, and the other end is connected with the lower surface of the nut, for supporting
Nut is stated in residence, the lower end for making it not depart from the external thread of screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710003514.6A CN106726367A (en) | 2017-01-04 | 2017-01-04 | A kind of telescopic crutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710003514.6A CN106726367A (en) | 2017-01-04 | 2017-01-04 | A kind of telescopic crutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106726367A true CN106726367A (en) | 2017-05-31 |
Family
ID=58949352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710003514.6A Pending CN106726367A (en) | 2017-01-04 | 2017-01-04 | A kind of telescopic crutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106726367A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998240A (en) * | 2019-04-19 | 2019-07-12 | 中山市彗心智能科技有限公司 | A kind of electric expansion alpin-stock |
| CN111302284A (en) * | 2020-03-12 | 2020-06-19 | 淮阴工学院 | Mechanical device of lever arm convenient to adjust length |
| CN112674442A (en) * | 2019-10-18 | 2021-04-20 | 林家华 | Power-assisted walking stick |
| CN113041099A (en) * | 2019-12-26 | 2021-06-29 | 沈阳新松机器人自动化股份有限公司 | Leg length adjusting device applied to lower limb rehabilitation training device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001211915A (en) * | 1999-11-22 | 2001-08-07 | Torina Kk | Walking assisting cane |
| CN102018338A (en) * | 2009-09-16 | 2011-04-20 | 株式会社岩田铁工所 | Electric telescopic stick |
| CN203885805U (en) * | 2014-03-20 | 2014-10-22 | 罗成 | Telescopic crutch with purely mechanical pushbutton switch for timely height regulation |
| CN104688495A (en) * | 2015-03-21 | 2015-06-10 | 王长柱 | Axillary crutch type walking stick |
-
2017
- 2017-01-04 CN CN201710003514.6A patent/CN106726367A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001211915A (en) * | 1999-11-22 | 2001-08-07 | Torina Kk | Walking assisting cane |
| CN102018338A (en) * | 2009-09-16 | 2011-04-20 | 株式会社岩田铁工所 | Electric telescopic stick |
| CN203885805U (en) * | 2014-03-20 | 2014-10-22 | 罗成 | Telescopic crutch with purely mechanical pushbutton switch for timely height regulation |
| CN104688495A (en) * | 2015-03-21 | 2015-06-10 | 王长柱 | Axillary crutch type walking stick |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998240A (en) * | 2019-04-19 | 2019-07-12 | 中山市彗心智能科技有限公司 | A kind of electric expansion alpin-stock |
| CN112674442A (en) * | 2019-10-18 | 2021-04-20 | 林家华 | Power-assisted walking stick |
| CN113041099A (en) * | 2019-12-26 | 2021-06-29 | 沈阳新松机器人自动化股份有限公司 | Leg length adjusting device applied to lower limb rehabilitation training device |
| CN111302284A (en) * | 2020-03-12 | 2020-06-19 | 淮阴工学院 | Mechanical device of lever arm convenient to adjust length |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |