CN108814074B - Rotating device for wheelchair fixing base plate - Google Patents
Rotating device for wheelchair fixing base plate Download PDFInfo
- Publication number
- CN108814074B CN108814074B CN201810755546.6A CN201810755546A CN108814074B CN 108814074 B CN108814074 B CN 108814074B CN 201810755546 A CN201810755546 A CN 201810755546A CN 108814074 B CN108814074 B CN 108814074B
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- China
- Prior art keywords
- rotating shaft
- rectangular
- shaft
- swing arm
- fan
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- 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.)
- Expired - Fee Related
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a rotating device for a wheelchair fixing base plate, and belongs to the technical field of power transmission. The invention comprises a rotating shaft for transmitting rotary power, wherein a pair of swing arms which are symmetrical about the axis of the rotating shaft are arranged on the periphery of a swing arm section on the rotating shaft, each swing arm is provided with a rectangular stepped hole, a guide column is arranged on one opposite surface of each swing arm, the surface of the rotating shaft is provided with a pair of annular channels, the end part of the rotating shaft is provided with a positioning notch, and the positioning notch comprises a blind hole and a rectangular notch, and the rotating shaft is arranged between two shaft seats; one surface of the shaft seat is provided with a clamping plate which is matched with the annular groove channel in the opposite direction, and the shaft seat is provided with a fan-shaped groove; a rectangular groove is formed in the shaft seat, the fan-shaped groove and the rectangular groove are communicated through a through hole, and a linear driver is installed in the rectangular groove. The invention carries out bearing rotation through the rotating shaft, and has simple control and convenient operation.
Description
Technical Field
The invention belongs to the technical field of power transmission, and particularly relates to a rotating device for a wheelchair fixing base plate.
Background
In the process of mechanical transmission, particularly in the process of rotating, a motor is generally used as a power source for providing a power source for an object, and the rotation provided by the motor is divided into two conditions, namely, the motor only provides rotating power, and the motor provides high-precision angular velocity rotation.
Disclosure of Invention
The invention aims to provide a rotating device for a fixed base plate of a wheelchair, which can provide rotating power for a rotating shaft by limiting and moving a swing arm on the rotating shaft, is simple and easy to control and solves the problem of quantitative rotation of heavy objects.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a rotating device for fixing a base plate of a wheelchair, which comprises a rotating shaft for transmitting rotating power, wherein a pair of swing arms which are symmetrical about the axis of the rotating shaft are arranged on the periphery of a swing arm section on the rotating shaft, each swing arm is provided with a rectangular stepped hole, a guide post is arranged on one opposite surface of each swing arm, the surface of the rotating shaft is provided with a pair of annular channels, the two annular channels are respectively positioned at two ends of the swing arm section, the end part of the rotating shaft is provided with a positioning notch, and the positioning notch comprises a blind hole and a rectangular notch;
the rotating shaft is arranged between the two shaft seats;
clamping plates which are matched with the annular groove channels in the opposite direction are arranged on one surface of the shaft seat, a fan-shaped groove is formed in the shaft seat, the fan-shaped groove is communicated with the two clamping plates in a clearance mode, arc-shaped grooves are formed in the opposite surfaces of the two clamping plates, and the swinging section is matched between the two arc-shaped grooves;
the shaft seat is provided with a rectangular groove, the shaft seat is internally provided with a row of mutually parallel through holes, the fan-shaped groove and the rectangular groove are communicated through the through holes, and the rectangular groove is internally provided with a linear driver.
Furthermore, the center line of the blind hole coincides with the center line of the rotating shaft, four rectangular notches are formed along the blind hole, and each rectangular notch is communicated with the blind hole.
Further, the linear driver is a hydraulic driving device or a pneumatic driving device; a piston rod of the linear driver penetrates through the through hole, a stepped column is arranged at the end of the piston rod, and the stepped column is in sliding fit with the rectangular stepped hole.
Furthermore, an arc-shaped groove is formed in the end portion of the fan-shaped groove, and the guide column is in sliding fit with the arc-shaped groove.
Furthermore, a hydraulic driver is installed below each shaft seat.
The invention has the following beneficial effects:
the invention has simple structure and convenient use, realizes the quantitative rotation of the rotating shaft by reciprocating the swing arm on the rotating shaft in the fan-shaped groove with a certain angle, adopts hydraulic drive or pneumatic drive as the drive element, has convenient control and sufficient power, and ensures that the rotating shaft can stably rotate.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a spindle according to the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic view of the internal structure of the axle seat of the present invention;
fig. 5 is a schematic view of the internal structure of the shaft seat.
In the drawings, the components represented by the respective reference numerals are listed below:
1-rotating shaft, 2-shaft seat, 3-hydraulic driver, 101-positioning notch, 102-swing arm, 103-annular channel, 104-guide column, 105-rectangular stepped hole, 106-swing arm section, 107-rectangular notch, 108-blind hole, 201-linear driver, 202-piston rod, 203-sector groove, 204-top plate, 205-moving plate, 206-clamping plate, 207-arc groove and 208-through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1 to 5, the present invention is a swivel device for a fixed base plate of a wheelchair, including a shaft 1 for transmitting a rotational power,
a pair of swing arms 102 which are symmetrical about the axis of the rotating shaft 1 are arranged on the periphery of a swing arm section 106 on the rotating shaft 1, each swing arm 102 is provided with a rectangular stepped hole 105, an opposite surface of each swing arm 102 is provided with a guide post 104, the surface of the rotating shaft 1 is provided with a pair of annular channels 103, the two annular channels 103 are respectively positioned at two ends of the swing arm section 106, the end part of the rotating shaft 1 is provided with a positioning notch 101, and the positioning notch 101 comprises a blind hole 108 and a rectangular notch 106;
the rotating shaft 1 is arranged between the two shaft seats 2;
the shaft seat 2 is provided with a rectangular groove 205, the shaft seat 2 is provided with a row of through holes 208 which are parallel to each other, the fan-shaped groove 203 and the rectangular groove 205 are communicated through the through holes 208, and a linear driver 201 is arranged in the rectangular groove 205.
Wherein, the linear actuator 201 is a hydraulic actuator or a pneumatic actuator;
the piston rod 202 of the linear actuator 201 passes through the through hole 208, and the end of the piston rod 202 is provided with a stepped post 204, the stepped post 204 being a sliding fit on the rectangular stepped hole 105.
Wherein, the end of the fan-shaped slot 203 is provided with an arc-shaped slot 207, and the guide post 104 is matched with the arc-shaped slot 207 in a sliding way.
Wherein, a hydraulic driver 3 is arranged under each shaft seat 2,
the piston rod 202 in the linear driving device 3 is controlled to move, the shaft seat 2 is provided with a pair of reciprocating motions for controlling the rotating shaft 1, one linear driving device 3 controls the one-way motion of the rotating shaft 1, and the hydraulic driver 3 is used for controlling the up-and-down motion of the whole device.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A swivel device for a wheelchair securing base, comprising a shaft (1) for transmitting a rotating power:
a pair of swing arms (102) which are symmetrical about the axis of the rotating shaft (1) are mounted on the periphery of a swing arm section (106) on the rotating shaft (1), each swing arm (102) is provided with a rectangular stepped hole (105), one opposite surface of each swing arm (102) is provided with a guide column (104), the surface of the rotating shaft (1) is provided with a pair of annular channels (103), the two annular channels (103) are respectively positioned at two ends of the swing arm section (106), the end part of the rotating shaft (1) is provided with a positioning notch (101), and the positioning notch (101) comprises a blind hole (108) and a rectangular notch (107);
the rotating shaft (1) is arranged between the two shaft seats (2);
clamping plates (206) which are matched with the annular channel (103) in the opposite direction are arranged on one surface of the shaft seat (2), a fan-shaped groove (203) is formed in the shaft seat (2), a gap is communicated between the fan-shaped groove (203) and the two clamping plates (206), arc-shaped grooves (207) are arranged on the opposite surfaces of the two clamping plates (206), and the swing arm sections are matched between the two arc-shaped grooves (207);
a rectangular groove position (205) is formed in the shaft seat (2), a row of through holes (208) which are parallel to each other are formed in the shaft seat (2), the fan-shaped groove (203) is communicated with the rectangular groove position (205) through the through holes (208), and a linear driver (201) is installed in the rectangular groove position (205);
the linear driver (201) is a hydraulic driving device or a pneumatic driving device;
a piston rod (202) of the linear driver (201) penetrates through the through hole (208), a step column (204) is arranged at the end of the piston rod (202), and the step column (204) is in sliding fit with the rectangular stepped hole (105).
2. The rotating device for the fixed base plate of the wheelchair as claimed in claim 1, wherein the center line of the blind hole (108) coincides with the center line of the rotating shaft (1), four rectangular notches (107) are formed along the blind hole (108), and each rectangular notch (107) is communicated with the blind hole (108).
3. A swivel arrangement according to claim 1, wherein the sector-shaped slot (203) is provided with a second arcuate slot at its end, and the guide post (104) is slidably engaged with the second arcuate slot.
4. A swivel arrangement for a fixed base of a wheelchair as claimed in claim 1, characterised in that a hydraulic actuator (3) is mounted under each axle seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810755546.6A CN108814074B (en) | 2018-07-11 | 2018-07-11 | Rotating device for wheelchair fixing base plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810755546.6A CN108814074B (en) | 2018-07-11 | 2018-07-11 | Rotating device for wheelchair fixing base plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108814074A CN108814074A (en) | 2018-11-16 |
| CN108814074B true CN108814074B (en) | 2021-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810755546.6A Expired - Fee Related CN108814074B (en) | 2018-07-11 | 2018-07-11 | Rotating device for wheelchair fixing base plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108814074B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3580089A (en) * | 1967-11-21 | 1971-05-25 | Battelle Development Corp | Motion-converting mechanism |
| EP0286321A2 (en) * | 1987-04-06 | 1988-10-12 | CENTURY PRODUCTS COMPANY (a Delaware Corporation) | Swing drive mechanism |
| US4862758A (en) * | 1986-06-06 | 1989-09-05 | J. I. Case Company | Hinge assembly for folding implement frame |
| WO2001047341A1 (en) * | 1999-12-23 | 2001-07-05 | Greencare Pty Ltd | Reciprocating drive mechanism for a turf aerator |
| CN1590215A (en) * | 2003-08-29 | 2005-03-09 | 肖思明 | Ship single pendulum paddle propeller |
| CN2811672Y (en) * | 2005-04-01 | 2006-08-30 | 尹家圣 | Double-flywheel arc rack transmission device capable of transforming reciprocating movement into directional rotation |
| CN204628460U (en) * | 2015-05-22 | 2015-09-09 | 芜湖意维利科技有限公司 | A kind of worm and gear auxiliary driving swing mechanism |
| CN206347522U (en) * | 2017-01-03 | 2017-07-21 | 深圳市三思高科光电有限公司 | A kind of LED lamp turning gear |
| CN107237239A (en) * | 2017-08-07 | 2017-10-10 | 浙江奥桑机械设备有限公司 | A kind of modified form road roller mud-scraping apparatus |
| CN107351913A (en) * | 2017-07-17 | 2017-11-17 | 聊城中通轻型客车有限公司 | A kind of trailing wheel active steering apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036897B1 (en) * | 1980-03-27 | 1984-08-15 | Alamak S.A. | Control device for reciprocating grippers in shuttleless looms |
| DE10309030B3 (en) * | 2003-03-01 | 2004-09-16 | Niemann, Wolfgang, Dipl.-Ing. | Toggle Press |
-
2018
- 2018-07-11 CN CN201810755546.6A patent/CN108814074B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3580089A (en) * | 1967-11-21 | 1971-05-25 | Battelle Development Corp | Motion-converting mechanism |
| US4862758A (en) * | 1986-06-06 | 1989-09-05 | J. I. Case Company | Hinge assembly for folding implement frame |
| EP0286321A2 (en) * | 1987-04-06 | 1988-10-12 | CENTURY PRODUCTS COMPANY (a Delaware Corporation) | Swing drive mechanism |
| WO2001047341A1 (en) * | 1999-12-23 | 2001-07-05 | Greencare Pty Ltd | Reciprocating drive mechanism for a turf aerator |
| CN1590215A (en) * | 2003-08-29 | 2005-03-09 | 肖思明 | Ship single pendulum paddle propeller |
| CN2811672Y (en) * | 2005-04-01 | 2006-08-30 | 尹家圣 | Double-flywheel arc rack transmission device capable of transforming reciprocating movement into directional rotation |
| CN204628460U (en) * | 2015-05-22 | 2015-09-09 | 芜湖意维利科技有限公司 | A kind of worm and gear auxiliary driving swing mechanism |
| CN206347522U (en) * | 2017-01-03 | 2017-07-21 | 深圳市三思高科光电有限公司 | A kind of LED lamp turning gear |
| CN107351913A (en) * | 2017-07-17 | 2017-11-17 | 聊城中通轻型客车有限公司 | A kind of trailing wheel active steering apparatus |
| CN107237239A (en) * | 2017-08-07 | 2017-10-10 | 浙江奥桑机械设备有限公司 | A kind of modified form road roller mud-scraping apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108814074A (en) | 2018-11-16 |
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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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Yongjin Inventor after: Li Xiaowei Inventor after: Sun Xiaohong Inventor after: Li Linhong Inventor before: Li Linhong |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210406 Address after: 262200 Zhucheng people's Hospital, 59 South Ring Road, Zhucheng, Shandong, Weifang Applicant after: Zhao Yongjin Address before: 241080 room 119, building 3, Chuangye street, 8 Longhu Road, Sanshan District, Wuhu City, Anhui Province Applicant before: WUHU BANGXULAINUO MEDICAL EQUIPMENT TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210423 |