CN104107117A - Moving-wheel safety locking device of cart-type wheel tool - Google Patents
Moving-wheel safety locking device of cart-type wheel tool Download PDFInfo
- Publication number
- CN104107117A CN104107117A CN201310132571.6A CN201310132571A CN104107117A CN 104107117 A CN104107117 A CN 104107117A CN 201310132571 A CN201310132571 A CN 201310132571A CN 104107117 A CN104107117 A CN 104107117A
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- CN
- China
- Prior art keywords
- movable pulley
- fluted disc
- locking device
- type wheel
- tong arm
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Abstract
The invention discloses a moving-wheel safety locking device of a cart-type wheel tool. The moving-wheel safety locking device is characterized in that each moving wheel is provided with a tooth-shaped gear disc, a pincered brake is arranged on a frame on one side of each moving wheel and comprises two pincer arms which are pivotally connected with the frame and respectively located on two sides of the gear disc, one ends of the pincer arms are provided with tooth shapes, elastic pieces which are mutually pulled are arranged on the pincer arms and a moving wheel, the pincer arms are capable of pulling the pincer arms to rotate towards the gear disc so as to be clamped and fixed with the tooth shapes of the gear disc in tooth shape, and the moving wheel can be locked without rotation; an actuating line is arranged at the position of a handle of the wheel tool and is provided with an outer sleeve and an inner cable which are mutually sleeved, the outer sleeve is connected to one of the pincer arms, and the inner cable is connected to the other pincer arm, so that a user can control the actuating line to drive the pincer arms to unfold through the handle and the gear discs and the moving wheels can be in a rotatably free state. The cart-type wheel tool is better in safety.
Description
Technical field
The present invention relates to the cart type wheels such as a kind of wheelchair or walking aid, especially a kind of movable pulley safe locking device that is applied to cart type wheel.
Background technology
The cart type wheel of the multiple kinds such as wheelchair of the prior art, walking aid is to move for auxiliary handicapped people.The structure of cart type wheel all includes a support body conventionally, may be configured with handle, seat and handrail on support body, and the support body bottom place of cart type wheel is provided with multiple movable pulleys, assists user to advance by movable pulley.
But, the movable pulley place of the cart type wheel of prior art is only simple pivot joint relation, in the time that user is stopped at a fixed position, its movable pulley is still in rotating state, its movable pulley cannot be locked in to the state that cannot rotate, therefore in the time stopping locating to there is the gradient, still may cause wheel to slide with the gradient, produce certain danger; Moreover, as used under the situation of wheelchair mistake sage, in the time that the person of looking after is away from keyboard, also cannot avoid losing sage's automatic moving, therefore a kind of solution that provides cart type wheel to lock its movable pulley to be designed is provided.
Summary of the invention
Cannot be by the shortcoming of locking that user is controlled for the movable pulley that solves cart type wheel in prior art, the present invention has designed a kind of movable pulley safe locking device of cart type wheel, and it can reach the goal of the invention that provides locking movable pulley and avoid its rotation.
The present invention is that the technical scheme that solves its technical problem employing is: a kind of movable pulley safe locking device of cart type wheel, includes: a support body, a fluted disc, a caliper brake and an actuation wire are set; This support body is provided with multiple movable pulleys; This fluted disc is a disklike body, and the outer peripheral edges pressed on ring of this fluted disc is arranged with flute profile, and this fluted disc is fixed on this movable pulley; This caliper brake includes two tong arms, this two tong arm is located at respectively this fluted disc both sides, this tong arm is the bending body of rod, one end place of this tong arm is provided with actuation part, this actuation part is provided with flute profile, the actuation part of this two tong arm can move towards fluted disc direction, and the flute profile of this actuation part and the flute profile of this fluted disc can be fixed mutually, and the other end on this two tong arm is respectively equipped with a drive division; This actuation wire has a trocar sheath and an interior cable, this interior cable can slippage be arranged in this trocar sheath, one end of this trocar sheath is connected in the drive division in two these drive divisions, and one end of this interior cable protrudes from outside this trocar sheath and connects another drive division in two these drive divisions.
The movable pulley safe locking device of described cart type wheel, wherein this two tong arm is articulated on this support body mutually.
The movable pulley safe locking device of described cart type wheel, wherein this support body is provided with wheel shaft and movable pulley pivot joint, and this two tong arm has one end of actuation part and this takes turns between centers and is respectively arranged with the elastic component of mutual drawing.
The movable pulley safe locking device of described cart type wheel, wherein this elastic component is extension spring.
The movable pulley safe locking device of described cart type wheel, wherein the centre of this fluted disc is provided with a sheathed hole, in this sheathed hole, is provided with a bearing, and this bearing is used for being sheathed on this wheel shaft.
The movable pulley safe locking device of described cart type wheel, wherein this fluted disc is provided with multiple fixing holes, on the sidewall of this movable pulley, be provided with multiple fixing perforation, be provided with multiple fixtures respectively through the plurality of fixing hole and mutually combine fixing with each this fixing perforation.
The invention has the beneficial effects as follows: by the utilization of above-mentioned technological means, the present invention is in the time that user pulls this actuation wire, can drive this two tong arm to open toward the outer side, make the flute profile of this two tong arm leave the flute profile of this fluted disc, make this fluted disc form rotating free state, now cart type wheel provides the function that auxiliary user moves; In the time that user does not pull actuation wire, this two tong arm is the flute profile that is often fastened on fluted disc with flute profile, making fluted disc and movable pulley is the lock-out state that cannot rotate, now can avoid cart type wheel from line slip or be pushed, also can avoid losing sage and use voluntarily the walking of cart type wheel, can avoid producing unexpectedly and providing better safety.
Brief description of the drawings
Below in conjunction with accompanying drawing, the movable pulley safe locking device of cart type wheel of the present invention is elaborated.
Fig. 1 is the schematic appearance that the movable pulley safe locking device of cart type wheel of the present invention applies to a cart type wheel.
Fig. 2 is the element exploded view of the movable pulley safe locking device of cart type wheel of the present invention.
Fig. 3 is the stereo appearance figure of the movable pulley safe locking device of cart type wheel of the present invention.
Fig. 4 is the use schematic diagram of the movable pulley safe locking device of cart type wheel of the present invention.
Fig. 5 is another use schematic diagram of the movable pulley safe locking device of cart type wheel of the present invention.
Drawing reference numeral explanation
10. support body, 11. front foot levers,
110. front axles, 111. movable pulleys,
12. rear foot levers, 120. hind axles,
121. movable pulleys, 122. fixing perforation,
13. activate handle, 20. fluted discs,
21. flute profiles, 22. sheathed holes,
220. bearings, 23. fixing holes,
230. fixtures, 30. caliper brakes,
31. tong arms, 310. first ends,
311. second ends, 312. flute profiles,
313. pull bars, 314. drive divisions,
315. connecting rods, 32. elastic components,
40. trocar sheaths, 41. interior cables.
Detailed description of the invention
Below coordinate preferred embodiment graphic and of the present invention, further set forth the technological means that the present invention takes for reaching predetermined goal of the invention.
The present invention is a kind of movable pulley safe locking device of cart type wheel, refer to shown in Fig. 1, the present invention is taking the wheelchair in cart type wheel as example, this cart type wheel includes a support body 10, the front side, bottom of this support body 10 is provided with two front foot levers 11, the bottom rear side of this support body 10 is provided with two rear foot levers 12, wheel shaft comprises front axle 110 and hind axle 120, on this two front foot lever 11 respectively with a front axle 110 movable pulley 111 that is pivoted, shown in Fig. 2, on this two rear foot lever 12 respectively with a hind axle 120 movable pulley 121 that is pivoted, on the sidewall of this movable pulley 121, be provided with multiple fixing perforation 122.
Please refer to shown in Fig. 1 to Fig. 3, movable pulley safe locking device of the present invention includes a fluted disc 20, a caliper brake 30 and an actuation wire.
This fluted disc 20 is a disklike body, in the outer peripheral edges of this fluted disc 20, spacer ring is arranged with multiple flute profiles 21, this flute profile 21 is recessed dovetail groove, these fluted disc 20 centre are provided with a sheathed hole 22, in sheathed hole 22, be provided with a bearing 220, on the wall of this fluted disc 20, spacer ring is around being equipped with multiple fixing holes 23.This fluted disc 20 is to be sheathed on rotationally on a rear flank wheel shaft 120 of this cart type wheel with bearing 220, be provided with multiple fixtures 230, these fixtures 230 run through respectively these fixing holes 23 and wear and are fixed in these fixing perforation 122, make this fluted disc 20 be fixed on movable pulley 121, and can together rotate and stop with movable pulley 121.
This caliper brake 30 includes two tong arms 31, this tong arm 31 is the bending body of rod, the two ends of this tong arm 31 form respectively a first end 310 and one second end 311, the inner side place of this first end 310 is provided with actuation part, this actuation part is provided with flute profile 312, in the outside wall surface of this first end 310, be equipped with a pull bar 313, the mutual pivot joint of the second end 311 of this two tong arm 31, and extended to form upward a drive division 314 respectively at contiguous the second end 311 places, on this drive division 314, horizontal expansion is provided with a connecting rod 315.
This caliper brake 30 is to be arranged at fluted disc 20 places, and this two tong arm 31 is hubbed on this rear foot lever 12 with the articulated section of the second end 311, and the articulated section of this two tong arm 31 is positioned at the top of hind axle 120.This two tong arm 31 lays respectively at the periphery both sides place of this fluted disc 20, and the flute profile 312 of this two actuation part is toward the flute profile 21 of these fluted disc 20 both sides.The actuation part of this two tong arm 31 can often move towards fluted disc 20 directions, make the flute profile 312 of this actuation part can often mutually be fixed with the flute profile 21 of this fluted disc 20, in specific embodiments of the invention, one elastic component 32 is set respectively on this two tong arm 31, this elastic component 32 is extension spring, one end of this elastic component 32 is fixed on the pull bar 313 of this tong arm 31, the other end of this elastic component 32 is fixed on this hind axle 120, and the elastic force of this two elastic component 32 often moves engaging by the actuation part of two tong arms 31 towards fluted disc 20 directions.
Please refer to shown in Fig. 2 to Fig. 4, this actuation wire has a trocar sheath 40 and an interior cable 41, this trocar sheath 40 has respectively opening for hollow tube and two ends, this interior cable 41 is being arranged in this trocar sheath 40 of a cable wire and slip, one end of this trocar sheath 40 connects the wherein connecting rod 315 of a tong arm 31, and one end of this interior cable 41 connects the connecting rod 315 of another tong arm 31.The other end of this actuation wire extends to this support body 10 top ends, further on this support body 10, be provided with an actuating handle 13, the other end of this trocar sheath 40 is fixed on support body 10, this actuating handle 13 connects this interior cable 41, user sees through to pull and activates handle 13, can drive this interior cable 41 to move in trocar sheath 40.
The present invention is in the time that reality is used, shown in Fig. 1 and Fig. 4, this cart type wheel is not in the time pulling actuating handle 13, this two tong arm 31 is the flute profiles 21 that are fastened on fluted disc 20 with flute profile 312, make fluted disc 20 and the lock-out state of movable pulley 121 for rotating, now can avoid cart type wheel from line slip or be pushed, can avoid producing unexpectedly and providing better safety.Shown in Fig. 1 and Fig. 5, user sees through and pulls this actuating handle 13, and then drive respectively the first end 310 of this two tong arm 31 to open toward the outer side with trocar sheath 40 and interior cable 41, and make this two elastic component 32 be stretched and accumulate elastic force, the flute profile 312 of the actuation part of this two tong arm 31 is left in the flute profile 21 of this fluted disc 20, make this fluted disc 20 form rotating free state, the function that makes cart type wheel provide auxiliary user to move, in the time that user is decontroled actuating handle 13, this two elastic component 32 can see through elastic restoring force and drive two tong arms 31 to be fastened on once again the flute profile 21 of fluted disc 20 with flute profile 312.
The above is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, not departing from the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a movable pulley safe locking device for cart type wheel, is characterized in that, includes a support body, a fluted disc, a caliper brake and an actuation wire;
This support body is provided with multiple movable pulleys;
This fluted disc is a disklike body, and the outer peripheral edges pressed on ring of this fluted disc is arranged with flute profile, and this fluted disc is fixed on this movable pulley;
This caliper brake includes two tong arms, this two tong arm is located at respectively this fluted disc both sides, this tong arm is the bending body of rod, one end place of this tong arm is provided with actuation part, this actuation part is provided with flute profile, the actuation part of this two tong arm can move towards fluted disc direction, and the flute profile of this actuation part and the flute profile of this fluted disc can be fixed mutually, and the other end on this two tong arm is respectively equipped with a drive division;
This actuation wire has a trocar sheath and an interior cable, this interior cable can slippage be arranged in this trocar sheath, one end of this trocar sheath is connected in the drive division in two these drive divisions, and one end of this interior cable protrudes from outside this trocar sheath and connects another drive division in two these drive divisions.
2. the movable pulley safe locking device of cart type wheel according to claim 1, is characterized in that, this two tong arm is articulated on this support body mutually.
3. the movable pulley safe locking device of cart type wheel according to claim 2, is characterized in that, this support body is provided with wheel shaft and movable pulley pivot joint, and this two tong arm has one end of actuation part and this takes turns between centers and be respectively arranged with the elastic component of mutual drawing.
4. the movable pulley safe locking device of cart type wheel according to claim 3, is characterized in that, this elastic component is extension spring.
5. the movable pulley safe locking device of cart type wheel according to claim 4, is characterized in that, the centre of this fluted disc is provided with a sheathed hole, in this sheathed hole, is provided with a bearing, and this bearing is used for being sheathed on this wheel shaft.
6. the movable pulley safe locking device of cart type wheel according to claim 5, it is characterized in that, this fluted disc is provided with multiple fixing holes, on the sidewall of this movable pulley, be provided with multiple fixing perforation, multiple fixtures are respectively through the plurality of fixing hole and mutually combine fixing with each this fixing perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310132571.6A CN104107117A (en) | 2013-04-16 | 2013-04-16 | Moving-wheel safety locking device of cart-type wheel tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310132571.6A CN104107117A (en) | 2013-04-16 | 2013-04-16 | Moving-wheel safety locking device of cart-type wheel tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104107117A true CN104107117A (en) | 2014-10-22 |
Family
ID=51704240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310132571.6A Pending CN104107117A (en) | 2013-04-16 | 2013-04-16 | Moving-wheel safety locking device of cart-type wheel tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104107117A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1385030A (en) * | 1920-08-30 | 1921-07-19 | Glenn T Watt | Motor-vehicle lock |
| US2072764A (en) * | 1936-04-22 | 1937-03-02 | James J Mccoy | Car and truck holder |
| US2750007A (en) * | 1952-10-09 | 1956-06-12 | Phillips Petroleum Co | Reverse rotation arrestor |
| FR2221980A5 (en) * | 1973-03-12 | 1974-10-11 | Safare Sa | Winch type ratcheting mechanism - converts to and fro motion to unidirectional rotation |
| US4865344A (en) * | 1988-07-13 | 1989-09-12 | E. Lakin Phillips | Wheelchair hand propulsion apparatus |
| US5301971A (en) * | 1992-02-24 | 1994-04-12 | Brereton H Arthur | Ratcheting wheelchair hub |
| US5746437A (en) * | 1996-01-03 | 1998-05-05 | Faber; Robin L. | Ratcheting hub wheelchair attachment |
| CN2317103Y (en) * | 1997-10-31 | 1999-05-05 | 杨文亮 | Automatic safety locking structure with inclined plane |
| US5979917A (en) * | 1996-04-25 | 1999-11-09 | Scandinavian Airline Systems | Catering cart with braking device |
| EP1152168A2 (en) * | 2000-05-05 | 2001-11-07 | C. Rob. Hammerstein GmbH & Co.KG | Step-by-step mechanism with locking device |
| CN2460406Y (en) * | 2001-01-15 | 2001-11-21 | 雅博股份有限公司 | Brake controller of manual hand cart |
| JP2001333830A (en) * | 2000-05-29 | 2001-12-04 | Tachi S Co Ltd | Ratchet type of lever mechanism |
| US6332523B1 (en) * | 2000-03-22 | 2001-12-25 | Spicer Technologies, Inc. | Axle assembly parking brake mechanism |
| US6352138B1 (en) * | 2000-10-20 | 2002-03-05 | Miguel Duran | Wheelchair braking system |
| US20020084163A1 (en) * | 2000-12-29 | 2002-07-04 | Ching Chen | Ratchet mechanism for tools |
| CN2523659Y (en) * | 2002-01-23 | 2002-12-04 | 李福生 | Wind wheel controller of trolley |
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2013
- 2013-04-16 CN CN201310132571.6A patent/CN104107117A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1385030A (en) * | 1920-08-30 | 1921-07-19 | Glenn T Watt | Motor-vehicle lock |
| US2072764A (en) * | 1936-04-22 | 1937-03-02 | James J Mccoy | Car and truck holder |
| US2750007A (en) * | 1952-10-09 | 1956-06-12 | Phillips Petroleum Co | Reverse rotation arrestor |
| FR2221980A5 (en) * | 1973-03-12 | 1974-10-11 | Safare Sa | Winch type ratcheting mechanism - converts to and fro motion to unidirectional rotation |
| US4865344A (en) * | 1988-07-13 | 1989-09-12 | E. Lakin Phillips | Wheelchair hand propulsion apparatus |
| US5301971A (en) * | 1992-02-24 | 1994-04-12 | Brereton H Arthur | Ratcheting wheelchair hub |
| US5746437A (en) * | 1996-01-03 | 1998-05-05 | Faber; Robin L. | Ratcheting hub wheelchair attachment |
| US5979917A (en) * | 1996-04-25 | 1999-11-09 | Scandinavian Airline Systems | Catering cart with braking device |
| CN2317103Y (en) * | 1997-10-31 | 1999-05-05 | 杨文亮 | Automatic safety locking structure with inclined plane |
| US6332523B1 (en) * | 2000-03-22 | 2001-12-25 | Spicer Technologies, Inc. | Axle assembly parking brake mechanism |
| EP1152168A2 (en) * | 2000-05-05 | 2001-11-07 | C. Rob. Hammerstein GmbH & Co.KG | Step-by-step mechanism with locking device |
| JP2001333830A (en) * | 2000-05-29 | 2001-12-04 | Tachi S Co Ltd | Ratchet type of lever mechanism |
| US6352138B1 (en) * | 2000-10-20 | 2002-03-05 | Miguel Duran | Wheelchair braking system |
| US20020084163A1 (en) * | 2000-12-29 | 2002-07-04 | Ching Chen | Ratchet mechanism for tools |
| CN2460406Y (en) * | 2001-01-15 | 2001-11-21 | 雅博股份有限公司 | Brake controller of manual hand cart |
| CN2523659Y (en) * | 2002-01-23 | 2002-12-04 | 李福生 | Wind wheel controller of trolley |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161205 Address after: 531400 Pingguo the Guangxi Zhuang Autonomous Region Industrial Zone Applicant after: PINGGUO CHAONENG ELECTRONIC MEDICAL APPARATUS TECHNOLOGY CO., LTD. Address before: 516121 Guangdong County of Boluo province Huizhou City Longxi town house Tingcun first industrial zone Applicant before: Huizhou Andong Hardware & Plastic Electronics Co., Ltd. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141022 |