CN109806077A - Holding brake device and its wheelchair for using the holding brake device - Google Patents
Holding brake device and its wheelchair for using the holding brake device Download PDFInfo
- Publication number
- CN109806077A CN109806077A CN201910088822.2A CN201910088822A CN109806077A CN 109806077 A CN109806077 A CN 109806077A CN 201910088822 A CN201910088822 A CN 201910088822A CN 109806077 A CN109806077 A CN 109806077A
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- Prior art keywords
- locating part
- wheel
- brake device
- holding brake
- limit body
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- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention discloses a kind of holding brake device, including to be fixed on wheel locating part, can engage with locating part or isolated limit body and to drive limit body and locating part engaging or isolated pushing meanss.The locating part of holding brake device of the present invention is connected to wheel end cap, and pushing meanss drive limit body engaging or are located away from locating part；Wherein: when limit body is sticked in locating part, corresponding limiting wheel being displaced by limiting wheel end cap and is rotated；When limit body is located away from locating part, the limitation to wheel end cap is discharged, wheel is free to rotate.Structure is simple, manipulation is convenient.
Description
Technical field
The present invention relates to parking braking technical field more particularly to a kind of holding brake devices being mounted on wheel.
Background technique
Existing vehicle passes through manipulation parking brake limitation vehicle movement after a stoppage, prevents vehicle from car slipping phenomenon occurs, improves
The parking safety of vehicle.But the control mode of the parking brake is more cumbersome, and needs to consume a large amount of physical strength.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of holding brake devices for being convenient to manipulation.
In order to solve the above technical problems, the invention provides the following technical scheme: a kind of holding brake device, including to solid
It is scheduled on locating part on wheel, can engage with locating part or isolated limit body and to drive limit body to engage with locating part
Or isolated pushing meanss.
The invention has the following beneficial effects: the locating parts of holding brake device of the present invention to be connected to compared to the prior art
Wheel end cap, pushing meanss drive limit body engaging or are located away from locating part；Wherein: when limit body is sticked in locating part, passing through
Limiting wheel end cap is displaced corresponding limiting wheel rotation；When limit body is located away from locating part, the limitation to wheel end cap, vehicle are discharged
It takes turns free to rotate.Structure is simple, manipulation is convenient.
Preferably, the locating part is the contrate gear of the annular to be placed in wheel hub.
Preferably, the limit body is socketed on wheel hub and is located at the outside of locating part, and the limit body includes connection
In the pushing meanss sliding shaft sleeve and with the locating part clamping card body.
Preferably, the card body is contrate gear.
Preferably, the pushing meanss are the electromagnetic switch being connected in wheel hub, the band when electromagnetic switch is powered
It moves the limit body to separate with the locating part, the electromagnetic switch drives the limit body and the locating part card when powering off
It closes.
Preferably, the electromagnetic switch include to connect with wheel hub tubular shell, be wound in tubular shell
Wall simultaneously drives the sliding shaft sleeve to hold the card body to the electromagnetic coil that moves inside tubular shell, top and can be to outside tubular shell
The mobile compressed spring in portion, the tubular shell are equipped with the sliding space for holding the sliding shaft sleeve displacement.
Preferably, one end of the compressed spring is held in the outer end face of the tubular shell, the compressed spring it is another
One end is socketed on the periphery of the sliding shaft sleeve and is held in end face of the card body with respect to tubular shell.
The present invention also provides a kind of wheelchair using holding brake device described above, including chair frame and it is mounted on chair
Wheel on frame, at least one wheel install the holding brake device, and the chair frame, which is equipped with, is electrically connected to parking braking dress
The parking switch set.
Preferably, the wheelchair is the electric wheelchair for including four wheels, and two wheels in four wheels are
Wheels, two power wheels are mounted on the front side or rear side of chair frame, and the electric wheelchair includes controlling two power wheel rotations respectively
Hand-held control device；The hand-held control device includes starting and the power switch for closing electric wheelchair, the parking switch series connection
In power switch.
Preferably, described two power wheels are mounted on the holding brake device.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of holding brake device in the embodiment of the present invention one；
Fig. 2 is the stereoscopic schematic diagram that holding brake device is connected to wheel in embodiment one；
Fig. 3 is the schematic cross-sectional view in Fig. 2 along line A-A；
Fig. 4 is the decomposition diagram that holding brake device is connected to wheel in embodiment one；
Fig. 5 is the schematic diagram that limit body is sticked in locating part in embodiment one；
Fig. 6 is the schematic diagram that limit body is located away from locating part in embodiment one；
Fig. 7 is the stereoscopic schematic diagram that the present invention is equipped with the wheelchair of holding brake device in embodiment one；
Fig. 8 is the schematic rear view that the present invention is equipped with the wheelchair of holding brake device in embodiment one；
Fig. 9 is the stereoscopic schematic diagram that holding brake device is connected to wheel in embodiment two；
Figure 10 is the schematic rear view that holding brake device is connected to wheel in embodiment two.
Specific embodiment
A specific embodiment of the invention is described in detail with reference to the accompanying drawing, rather than to protection scope of the present invention
Limitation.The orientation or positional relationship of the instructions such as term "front", "rear", "left", "right", "upper", "lower" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Refering to fig. 1 and Fig. 2, a kind of holding brake device is provided in the present embodiment, including to be fixed on wheel 4
Locating part 1 can engage or isolated limit body 2 and to drive the engaging of limit body 2 and locating part 1 or separate with locating part 1
Pushing meanss 3.When wheel 4 surrounds wheel shaft axis rotation, wheel end cap 41 follows wheel 4 around wheel shaft axis rotation, limit
Part 1 is fixedly connected on wheel end cap 41, and pushing meanss 3 drive the engaging of limit body 2 or are located away from locating part 1, in which: limit body 2
When being sticked in locating part 1 (as shown in Figure 5), corresponding limiting wheel 4 is displaced by limiting wheel end cap 41 and is rotated, vehicle can be realized
Parking braking function；When limit body 2 is located away from locating part 1 (as shown in Figure 6), the limitation to wheel end cap 41, vehicle are discharged
It is free to rotate and vehicle can be pushed mobile to take turns 4.The limit body 2 and pushing meanss 3 of the holding brake device are mountable in vehicle frame
Or on wheel shaft, structure is simple, manipulation is convenient.It is poured it should be understood that the locating part 1 can also be integrally formed with wheel end cap 41
Casting setting.
Embodiment one
Refering to Fig. 2, Fig. 3 and Fig. 4, in the present embodiment, wheel 4 includes left wheel end cap and right wheel end cap.Left wheel end cap and
Right wheel end cap passes through bearing respectively and is rotatably connected at wheel hub 42.The both ends of wheel hub 42 protrude from two vehicles respectively
Wheel end cap 41 simultaneously extends outwardly.Locating part 1 is mounted on left wheel end cap, can also be mounted on right road wheel end certainly and be covered.Limit
Position part 1, which is equipped with, holds the perforative through-hole of wheel hub 42.In a ring, annular locating part 1 is placed on wheel hub 42 to the locating part 1
And left wheel end cap is fixedly connected on by fastener.The fastener is screw.Limit body 2, which is also equipped with appearance wheel hub 42, to be run through
Through-hole.Limit body 2 is socketed on wheel hub 42 and is located at the outside of locating part 1.Limit body 2 is arranged corresponding to locating part 1.Limit
Position body 2 includes the card body 22 for being connected to the sliding shaft sleeve 21 of pushing meanss 3 and being clamped with locating part 1.Pushing meanss 3 are to be connected to
Electromagnetic switch in wheel hub 42, the electromagnetic switch are fixedly connected on wheel hub 42 by fastener.Electromagnetic switch is powered
When drive limit body 2 (as shown in Figure 6) is separated with locating part 1, that is, the card body 22 of limit body 2 is located away from locating part 1；Electromagnetism is opened
Limit body 2 is driven to engage (as shown in Figure 5) with locating part 1 when shutdown electricity, that is, the card body 22 of limit body 2 is sticked in locating part 1,
With the rotation of limiting wheel 4.Certainly in other embodiments, pushing meanss 3 can also be adopted as electric pushrod or cylinder.
Refering to Fig. 3, in the present embodiment, electromagnetic switch includes tubular shell 31, the winding to connect with wheel hub 42
In 31 inner wall of tubular shell and drive sliding shaft sleeve 21 to the electromagnetic coil 32 that moves inside tubular shell 31, top hold body 22 and
It can be to the compressed spring 33 moved outside tubular shell 31.The end of wheel hub 42 is equipped with internal thread hole 43 and is held in tubulose
The interior bottom wall of shell 31, the interior bottom wall are equipped with the through-hole 34 of mounting screw 30, and screw 30 is inserted into the through-hole of interior bottom wall
34 and it is threadedly coupled wheel hub 42, so that tubular shell 31 is fixedly connected on wheel hub 42.Tubular shell 31 is equipped with to hold and slide
The sliding space of 21 displacement of moving axis set, is conducive to the axial movement of 21 relative wheel wheel shaft 42 of sliding shaft sleeve.Compressed spring 33
Between tubular shell 31 and card body 22.One end of compressed spring 33 is held in the outer end face of tubular shell 31, compressed spring 33
The other end be socketed on the periphery of sliding shaft sleeve 21 and be held in card body 22 with respect to tubular shell 31 end face.Electromagnetic switch is powered
When, electromagnetic coil 32 generates electromagnetic attraction, and sliding shaft sleeve 21 is equivalent to movable core and to moving inside tubular shell 31, simultaneously
So that compressed spring 33 is extruded between tubular shell 31 and card body 22 and in compressive state, the card body 22 of limit body 2 is located away from
Locating part 1；When electromagnetic switch powers off, the compressed spring 33 of compressive state is released, and compressed spring 33 is pushed by stretching force
For card body 22 to moving outside tubular shell 31, the card body 22 of limit body 2 is sticked in locating part 1.
In the present embodiment, locating part 1 is the contrate gear of the annular to be placed in wheel hub 42.Card body 22 is to connect
Be connected to sliding shaft sleeve 21 and can relative wheel wheel shaft 42 slide contrate gear.Contrate gear is also known as mouse tooth disk or end-toothed disc.
By two groups of latches being mutually twisted, the engaging performance of limit body 2 and locating part 1 is improved, is increased between locating part 1 and card body 22
Frictional force, improve the reliability of engaging.
Refering to Fig. 4, in the present embodiment, wheel hub 42 includes the axle body of two wheel end caps 41 of connection and protrudes from road wheel end
Lid 41 and the flat body 44 of the axis for connecting holding brake device.The flat body 44 of axis is corresponding flat with milling cutter processing two on axis body
Face.The perforative through-hole of appearance wheel hub 42 being arranged on limit body 2 is waist through hole 23, which is matched with vehicle wheel
The flat body 44 of the axis of axis 42, limit body 2 is socketed on the flat body 44 of axis by waist through hole 23, to limit 2 relative wheel wheel shaft of limit body
42 radial rotatings are conducive to card body 22 and correspond to each other with the clamped position of locating part 1, are convenient to engage.
Refering to Fig. 7, the present invention also provides a kind of wheelchairs using above-mentioned holding brake device, including chair frame 5 and installation
Four wheels 6 in chair frame 5.Two wheels 6 in four wheels 6 are mounted on the front side of chair frame 5, another in four wheels 6
Outer two wheels 6 are mounted on the rear side of chair frame 5.At least one wheel 6 is equipped with holding brake device.Chair frame 5 is equipped with and is electrically connected
It is connected to the parking switch of holding brake device.When wheelchair parking, user is by closing parking switch, electromagnetic switch power-off, limit
Body 2 is sticked in locating part 1, realizes the parking function of wheelchair；When needing mobile wheelchair, user is by opening parking switch, electromagnetism
Switch is powered, and limit body 2 is located away from locating part 1, and it is mobile to be convenient to wheelchair；Structure is simple, manipulation is convenient, can save compared to parking brake
User's physical strength is saved, and is convenient to disabled user manipulation.
In the present embodiment, wheelchair is the electric wheelchair by being driven by electricity.Two wheels 6 in four wheels 6 are power
Wheel 61, two power wheels 61 are mounted on the rear side of chair frame 5.Certain two power wheels 61 can also be mounted on the front side of chair frame 5.Four
Other two wheel 6 in a wheel 6 is driven wheel 62, and driven wheel 62 can be driven in two power wheels 61 and rotate.Electric wheelchair
Hand-held control device 7 including controlling the rotation of two power wheels 61 respectively.Hand-held control device 7 includes starting and closing electric wheelchair
Power switch.Parking switch is series at power switch, is convenient to user when closing electric wheelchair, that is, wheelchair can be achieved at the same time and stay
Vehicle function；For user when opening electric wheelchair, limit body 2 is located away from locating part 1, and electric wheelchair passes through electric power mobile.
In the present embodiment, two power wheels 61 are mounted on holding brake device, improve the parking reliability of electric wheelchair.
Two holding brake devices are located at the outside of chair frame 5, as shown in Figure 8.Power wheel 61 is adopted as hub motor wheel.Certainly at it
In his embodiment, two holding brake devices can also be located at the inside of chair frame 5.
Embodiment two
Refering to Fig. 9 and Figure 10, be in place of the difference of the present embodiment two and embodiment one: locating part and 41 one of wheel end cap at
Type setting, the limit body 8 and pushing meanss 9 of holding brake device are mounted on vehicle frame 10.
In the present embodiment, wheel end cap 41 is equipped with the multiple limit holes 45 for being surrounded on 42 periphery of wheel shaft, multiple limit holes
45 using 42 axle center of wheel shaft as the center of circle.Wheel end cap 42 equipped with multiple limit holes 45 constitutes the locating part engaged with limit body 8.When
So in other embodiments, which can also be an annular slab, and annular slab is equipped with multiple limit holes 45, the locating part
To be fixedly connected on wheel end cap 41.Wheel hub 42 is fixedly connected on vehicle frame 10, to install wheel 4.Limit body 8 is slidably
Ground is connected to vehicle frame 10, and pushing meanss 9 are fixedly connected on vehicle frame 10.Limit body 8 includes the gag lever post 81 cooperated with limit hole 45
And it is connected to the pushing assisted plate 82 of pushing meanss 9.Vehicle frame 10, which is equipped with, holds the perforative through-hole of gag lever post 81.Pushing meanss 9 drive limit
Position body 8 can engage or be located away from locating part.
Finally, it should be noted that above embodiments are only to illustrate the present invention and not limit technology described in the invention
Scheme；Therefore, although this specification is referring to the above embodiments, the present invention has been described in detail, this field
It is to be appreciated by one skilled in the art that still can modify to the present invention or equivalent replacement；And all do not depart from the present invention
Spirit and scope technical solution and its improvement, should all cover within the scope of the claims of the present invention.
Claims (10)
1. a kind of holding brake device, it is characterised in that: including to be fixed on wheel locating part, can engage with locating part
Or isolated limit body and to drive limit body and locating part engages or isolated pushing meanss.
2. holding brake device according to claim 1, it is characterised in that: the locating part is to be placed on vehicle wheel
The contrate gear of annular on axis.
3. holding brake device according to claim 2, it is characterised in that: the limit body is socketed on wheel hub and position
In the outside of locating part, the limit body includes being connected to the sliding shaft sleeve of the pushing meanss and being clamped with the locating part
Card body.
4. holding brake device according to claim 3, it is characterised in that: the card body is contrate gear.
5. holding brake device according to claim 3, it is characterised in that: the pushing meanss are to be connected to wheel hub
On electromagnetic switch, the electromagnetic switch be powered when drive the limit body to separate with the locating part, the electromagnetic switch break
The limit body is driven to engage when electric with the locating part.
6. holding brake device according to claim 5, it is characterised in that: the electromagnetic switch include to vehicle wheel
The tubular shell of axis connection is wound in tubular shell inner wall and drives the sliding shaft sleeve to the electromagnetism moved inside tubular shell
Coil, top hold the card body and can be equipped with the appearance sliding to the compressed spring move outside tubular shell, the tubular shell
The sliding space of axle sleeve displacement.
7. holding brake device according to claim 6, it is characterised in that: one end of the compressed spring is held in described
The outer end face of tubular shell, the other end of the compressed spring are socketed on the periphery of the sliding shaft sleeve and are held in the card body
The end face of opposite tubular shell.
8. a kind of wheelchair using holding brake device described in any one of claim 1 to 7, it is characterised in that: including
Chair frame and the wheel being mounted in chair frame, at least one wheel install the holding brake device, and the chair frame is equipped with and is electrically connected
It is connected to the parking switch of holding brake device.
9. wheelchair according to claim 8, it is characterised in that: the wheelchair is the electric wheelchair for including four wheels, institute
Two wheels stated in four wheels are power wheel, and two power wheels are mounted on the front side or rear side of chair frame, the electric wheelchair
Hand-held control device including controlling the rotation of two power wheels respectively；The hand-held control device includes starting and closing electric wheelchair
Power switch, the parking switch are series at power switch.
10. wheelchair according to claim 9, it is characterised in that: described two power wheels are mounted on the parking braking
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088822.2A CN109806077A (en) | 2019-01-30 | 2019-01-30 | Holding brake device and its wheelchair for using the holding brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088822.2A CN109806077A (en) | 2019-01-30 | 2019-01-30 | Holding brake device and its wheelchair for using the holding brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109806077A true CN109806077A (en) | 2019-05-28 |
Family
ID=66605747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910088822.2A Pending CN109806077A (en) | 2019-01-30 | 2019-01-30 | Holding brake device and its wheelchair for using the holding brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109806077A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246765A (en) * | 2016-10-11 | 2016-12-21 | 江苏大学 | A kind of double plate electromagnetic brake and the braking method when different operating mode thereof |
| CN106821627A (en) * | 2017-01-20 | 2017-06-13 | 广州足步医疗科技有限公司 | A kind of wheelchair and electronic parking mechanism |
| CN107387604A (en) * | 2017-09-18 | 2017-11-24 | 曾林浩 | A kind of multiple caliper brake electro-magnetic braking device of automobile |
| CN107468439A (en) * | 2017-09-05 | 2017-12-15 | 天津市斗星机械设备有限公司 | A kind of electric wheelchair of circuit braking |
| CN210277528U (en) * | 2019-01-30 | 2020-04-10 | 常州摩本智能科技有限公司 | Parking brake device and wheelchair adopting same |
-
2019
- 2019-01-30 CN CN201910088822.2A patent/CN109806077A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246765A (en) * | 2016-10-11 | 2016-12-21 | 江苏大学 | A kind of double plate electromagnetic brake and the braking method when different operating mode thereof |
| CN106821627A (en) * | 2017-01-20 | 2017-06-13 | 广州足步医疗科技有限公司 | A kind of wheelchair and electronic parking mechanism |
| CN107468439A (en) * | 2017-09-05 | 2017-12-15 | 天津市斗星机械设备有限公司 | A kind of electric wheelchair of circuit braking |
| CN107387604A (en) * | 2017-09-18 | 2017-11-24 | 曾林浩 | A kind of multiple caliper brake electro-magnetic braking device of automobile |
| CN210277528U (en) * | 2019-01-30 | 2020-04-10 | 常州摩本智能科技有限公司 | Parking brake device and wheelchair adopting same |
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