CN201961094U - Trundle with pedal brake device - Google Patents
Trundle with pedal brake device Download PDFInfo
- Publication number
- CN201961094U CN201961094U CN201120057340XU CN201120057340U CN201961094U CN 201961094 U CN201961094 U CN 201961094U CN 201120057340X U CN201120057340X U CN 201120057340XU CN 201120057340 U CN201120057340 U CN 201120057340U CN 201961094 U CN201961094 U CN 201961094U
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- CN
- China
- Prior art keywords
- compression leg
- brake shoes
- support
- spring
- wheel
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a trundle with a pedal brake device, mainly comprising a wheel, a wheel stand, a support, a pedal plate, a compression leg, a spring and a brake block, wherein the brake block is fixedly connected with the compression leg. The trundle is characterized in that the brake block is provided with a positioning pin, the support is provided with a positioning hole sheathed with the positioning pin, convex friction blocks are arranged at the left side and the right side of the braking surface of the brake block, and the pedal brake device comprises the pedal plate with an eccentric cam, the support, the spring and the compression leg, wherein the compression leg is in threaded connection with the brake block, the support is fixed on the wheel stand, the spring is arranged between the compression leg and the support, and the eccentric cam on the pedal plate acts on the top end of the compression leg. In the trundle with the pedal brake device, as the positioning pin is arranged on the brake block, the brake block can be prevented from deflecting in braking, so that the stability of braking is improved; and as the friction blocks are arranged at the left side and the right side of the brake block, the braking effect can be better.
Description
Technical field
The utility model relates to a kind of castor, particularly relates to a kind of footbrake device caster wheel that has.
Background technology
Footbrake castor of the prior art, there is certain problem in braking effect, and major cause is brake facing and the not enough balance of wheel surface contact surface, and phenomenons such as deflection can appear in brake facing when brake.As the footbrake castor that uses in the market, mainly be by wheel, wheel carrier, stretcher, brake shoes and compression leg are formed, wherein brake shoes and compression leg are fixedly linked, stretcher acts on the top of compression leg, brake shoes just can carry out braking action to wheel under the effect of stretcher like this, but because compression leg is rotary, only depending on compression leg is incomplete to the location of brake shoes, therefore cause brake shoes when brake, to deflect, the brake lining that adds brake shoes lacks necessary structure design, brake shoes itself is just stable inadequately with the contact surface of wheel, when brake shoes deflects, the contact surface of brake shoes and the wheel surface more overbalance that becomes, thus make the deleterious of brake.
Summary of the invention
The utility model provides a kind of footbrake device caster wheel that has, and has mainly solved owing to brake shoes deflects easily to cause the problem of braking effect difference.
A kind of footbrake device caster wheel that has, mainly comprise wheel, wheel carrier, support, stretcher, compression leg, spring and brake shoes, wherein brake shoes and compression leg are fixedly linked, it is characterized in that: described brake shoes is provided with locating dowel pin, and described support is provided with the knock hole with described locating dowel pin socket.
As preferably, the left and right sides on the brake surface of described brake shoes is respectively equipped with the friction shoe of projection, brake shoes in the relative prior art of this technical scheme owing to lack necessary structure design only concerning a certain section camber line of wheel surface plays rubbing effect, can realize the wheel left and right sides is applied rubbing effect evenly, thereby further guarantee the stationarity of brake and improve braking effect.
As preferably, in the footbrake device of forming by parts such as described stretcher, support, spring and compression legs, described compression leg and brake shoes are threaded, described support is fixed on the wheel carrier, be provided with spring between described compression leg and the support, establish eccentric cam on the described stretcher and act on the top of described compression leg.One end of this technical scheme medi-spring withstands compression leg, and the other end of spring props up fixing support, and the eccentric cam on the stretcher acts on brake shoes by compression leg, and by spring brake shoes is unclamped automatically, and is simple and reliable for structure.
As preferably, described compression leg comprises spring registration mast and flange, and the bottom of compression leg is provided with outside thread, and the top of compression leg is provided with pressure cap.Spring registration mast in this technical scheme is with above-mentioned spring outward, and flange is used to withstand an end of spring, and the eccentric cam on the above-mentioned stretcher acts on the pressure cap, and compression leg links to each other with above-mentioned brake shoes screw thread by the outside thread of bottom.
The utility model is provided with locating dowel pin on brake shoes, can prevent that brake shoes from deflecting when brake, both can improve brake stability, can obviously improve braking effect again, and by friction shoe is set in the brake shoes left and right sides, then more improve braking effect.
Description of drawings
Fig. 1 is a sectional structure scheme drawing of the present utility model;
Fig. 2 is the structural representation of the utility model brake shoes;
Fig. 3 is the structural representation of the utility model compression leg;
Fig. 4 is the structural representation of the utility model stretcher;
Fig. 5 is the structural representation of the utility model support;
Among the figure: 1-wheel, 2-brake shoes, 21-tapped bore, 22-locating dowel pin, the 23-friction shoe, 3-spring, 4-compression leg, 41-outside thread, 42-spring registration mast, 43-flange, 44-pressure cap, 5-stretcher, the 51-eccentric cam, 52-rotary centerline, the hinged axis hole of 53-, 6-jointed shaft, the 7-support, 71-axis hole, 72-spring spool, the 73-knock hole, 74-support plate, 8-wheel carrier.
The specific embodiment
One, structure of the present utility model is formed
As shown in Figure 1, a kind of footbrake device caster wheel that has mainly is made up of wheel 1, brake shoes 2, spring 3, compression leg 4, stretcher 5, jointed shaft 6, support 7 and wheel carrier 8, wherein:
1) brake shoes 2
As shown in Figure 2, brake shoes 2 is the bulk of arc, its radian guarantees to fit with the outside face of wheel 1, the center of brake shoes 2 is provided with the tapped bore 21 that is threaded with compression leg 4, the back side of brake shoes 2 is provided with the left and right sides that 22, two locating dowel pins 22 of two locating dowel pins are symmetricly set on tapped bore 21, and the left and right sides on the brake surface of brake shoes 2 is respectively equipped with the friction shoe 23 of projection, the cross-sectional plane of friction shoe 23 is an echelon form, and the quantity of friction shoe 23 can be provided with as required.
2) compression leg 4
As shown in Figure 3, compression leg 4 is a column structure, comprises spring registration mast 42 and flange 43, and the bottom of compression leg 4 is provided with the outside thread 41 that is threaded with the tapped bore 21 of above-mentioned brake shoes 2, be used for sheathed spring 3 outside the spring registration mast 42, flange 43 is used to prop up the upper end of spring 3.
3) stretcher 5
As shown in Figure 4, stretcher 5 can rotate around rotating line of centers 52, and the back side of stretcher 5 is provided with eccentric cam 51, and eccentric cam 51 is provided with hinged axis hole 53, and the hinge axes at hinged axis hole 53 places is rotary centerline 52.
4) support 7
As shown in Figure 5, support 7 is an axially symmetric structure, form by left and right sides support plate 74, middle spring spool 72 and the knock hole 73 that is positioned at spring spool 72 left and right sides, be respectively equipped with the axis hole 71 of same axis on the left and right sides support plate 74, the inboard, bottom of spring spool 72 is provided with the flange (figure does not draw) that is used for propping up spring 3 lower ends.
Two, connection mode of the present utility model and effect
As shown in Figure 1, wheel 1 is articulated on the wheel carrier 8, support 7 is captiveed joint with wheel carrier 8, and the axis direction that guarantees spring spool 72 places on the support 7 passes the center of circle of wheel 1, because wheel carrier 8 is fixed, so support 7 also is fixed, and spring 3 is enclosed within on the spring registration mast 42 of compression leg 4, makes the upper end of spring 3 withstand flange 43; The compression leg 4 that will have spring 3 again inserts in the spring spool 72 of support 7, make the lower end of spring 3 prop up the flange (not drawing among the figure) of inboard, spring spool 72 bottom, stretch out spring spool 72 bottoms and be threaded and compression leg 4 bottoms have the part of outside thread 41 with tapped bore 21 on the brake shoes 2, at this moment, two locating dowel pins 22 on the brake shoes 2 just in time are engaged in respectively in two knock holees 73 on the support 7, so just guaranteed that brake shoes 2 locatees fully, thereby the phenomenon that brake shoes 2 deflections can not occur, guaranteed the stability of brake, compression leg 4 is with after brake shoes 2 is threaded, spring 3 has certain precompressed compression, and the flange 43 of compression leg 4 is positioned at the spring spool 72 of support 7 all the time; At last stretcher 5 is movably hinged on support 7 by jointed shaft 6, makes the wheel rim of the eccentric cam 51 on the stretcher 5 prop up on the pressure cap 44 on compression leg 4 tops.
Three, principle of work of the present utility model
When foot-treadle 5, stretcher 5 rotates around jointed shaft 6, and eccentric cam 51 acts on the pressure cap 44 of compression leg 4, makes compression leg 4 move along the direction of spring spool 72, thereby makes brake shoes 2 act on the surface of wheel 1 and brake; When unclamping stretcher 5, because spring 3 has restoring force, thereby brake is removed on the surface that makes brake shoes 2 break away from wheel 1.Owing to the utility model is provided with locating dowel pin 22 on brake shoes 2, can prevent that brake shoes 2 from deflecting when braking, improve brake stability, pass through the better effects if of the friction shoe 23 feasible brakes of brake shoes 2 left and right sides again.
Claims (4)
1. one kind has footbrake device caster wheel, mainly comprise wheel (1), wheel carrier (8), support (7), stretcher (5), compression leg (4), spring (3) and brake shoes (2), wherein brake shoes (2) is fixedly linked with compression leg (4), it is characterized in that: described brake shoes (2) is provided with locating dowel pin (22), and described support (7) is provided with the knock hole (73) with described locating dowel pin (22) socket.
2. a kind of footbrake device caster wheel that has according to claim 1 is characterized in that: the left and right sides on the brake surface of described brake shoes (2) is respectively equipped with the friction shoe (23) of projection.
3. a kind of footbrake device caster wheel that has according to claim 1 and 2, it is characterized in that: described compression leg (4) and brake shoes (2) are threaded, described support (7) is fixed on the wheel carrier (8), be provided with spring (3) between described compression leg (4) and the support (7), eccentric cam (51) is set on the described stretcher (5), and eccentric cam (51) acts on the top of described compression leg (4).
4. a kind of footbrake device caster wheel that has according to claim 3, it is characterized in that: described compression leg (4) comprises spring registration mast (42) and flange (43), the bottom of compression leg (4) is provided with outside thread (41), and the top of compression leg (4) is provided with pressure cap (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120057340XU CN201961094U (en) | 2011-03-07 | 2011-03-07 | Trundle with pedal brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120057340XU CN201961094U (en) | 2011-03-07 | 2011-03-07 | Trundle with pedal brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201961094U true CN201961094U (en) | 2011-09-07 |
Family
ID=44523630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120057340XU Expired - Fee Related CN201961094U (en) | 2011-03-07 | 2011-03-07 | Trundle with pedal brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201961094U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632766A (en) * | 2012-03-21 | 2012-08-15 | 阳江市飞轮金属制品有限公司 | Braking caster of adjusting brake |
| CN104057778A (en) * | 2014-05-27 | 2014-09-24 | 太仓兴锋脚轮有限公司 | Brake truckle |
| CN104108286A (en) * | 2014-05-27 | 2014-10-22 | 太仓兴锋脚轮有限公司 | Trundle with brake |
| CN105402288A (en) * | 2015-11-24 | 2016-03-16 | 上海新黄浦医疗器械有限公司 | Novel brake braking device |
| CN107187472A (en) * | 2017-05-30 | 2017-09-22 | 肇庆市科捷软件有限公司 | A kind of logistics practical stroller of good damping effect |
| CN108407724A (en) * | 2018-05-16 | 2018-08-17 | 山东德泰机械制造集团有限公司 | A kind of overturning pedal support assembly |
| CN112190193A (en) * | 2020-08-26 | 2021-01-08 | 南通德威莱克清洁系统有限公司 | Front wheel brake device for driving floor washing machine |
-
2011
- 2011-03-07 CN CN201120057340XU patent/CN201961094U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632766A (en) * | 2012-03-21 | 2012-08-15 | 阳江市飞轮金属制品有限公司 | Braking caster of adjusting brake |
| CN104057778A (en) * | 2014-05-27 | 2014-09-24 | 太仓兴锋脚轮有限公司 | Brake truckle |
| CN104108286A (en) * | 2014-05-27 | 2014-10-22 | 太仓兴锋脚轮有限公司 | Trundle with brake |
| CN105402288A (en) * | 2015-11-24 | 2016-03-16 | 上海新黄浦医疗器械有限公司 | Novel brake braking device |
| CN107187472A (en) * | 2017-05-30 | 2017-09-22 | 肇庆市科捷软件有限公司 | A kind of logistics practical stroller of good damping effect |
| CN108407724A (en) * | 2018-05-16 | 2018-08-17 | 山东德泰机械制造集团有限公司 | A kind of overturning pedal support assembly |
| CN108407724B (en) * | 2018-05-16 | 2024-02-13 | 山东德泰机械制造集团有限公司 | Overturning pedal support assembly |
| CN112190193A (en) * | 2020-08-26 | 2021-01-08 | 南通德威莱克清洁系统有限公司 | Front wheel brake device for driving floor washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 313100 Changxing County, Huzhou, Taihu street, long State Road, No. 528, No. Patentee after: Connaught machinery Limited by Share Ltd Address before: 313100 Changxing County Economic Development Zone, Zhejiang, Huzhou, No. 1 road, No. 58 Patentee before: Zhejiang Nuoli Machinery Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 313100 No. 528 Changzhou Road, Changxing County Taihu street, Huzhou, Zhejiang. Patentee after: Nuo intelligent equipment Limited by Share Ltd Address before: 313100 No. 528 Changzhou Road, Changxing County Taihu street, Huzhou, Zhejiang. Patentee before: Connaught machinery Limited by Share Ltd |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20200307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |