CN204458923U - A kind of wheel with reducing gear - Google Patents
A kind of wheel with reducing gear Download PDFInfo
- Publication number
- CN204458923U CN204458923U CN201420813954.XU CN201420813954U CN204458923U CN 204458923 U CN204458923 U CN 204458923U CN 201420813954 U CN201420813954 U CN 201420813954U CN 204458923 U CN204458923 U CN 204458923U
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- CN
- China
- Prior art keywords
- wheel
- wheel hub
- friction
- gravity drop
- locating column
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Abstract
The utility model discloses a kind of wheel with reducing gear, its wheel hub is provided with gravity drop hammer, elasticity compressed structure is provided with between gravity drop hammer and wheel hub, wheel hub rotates and is provided with microscler substrate, one end of microscler substrate is provided with the friction plate for coordinating with the friction wheel of column fixing on vehicle frame, be provided with between microscler substrate and wheel hub and make friction plate be pressed on torsion spring on friction wheel, the housing of the limit structure on wheel hub offers long blind hole, locating column is inserted with in long blind hole, the driving stage clip pushing up and be pressed on locating column is provided with in long blind hole, the sidewall of housing offers the positioning hole with long blind hole vertical connection, slide in positioning hole the location fastener be provided with in the positioning ring groove snapped on locating column, reset spring is provided with in positioning hole, the outer end of locating column and the other end top press fit of microscler substrate, locating column has driving lever, along with the rotary gravity hammer of wheel hub can push driving lever, move in locating column, friction plate can be taken turns by pressing friction, play the effect of deceleration.
Description
Technical field
The utility model relates to a kind of wheel, particularly relates to a kind of wheel with reducing gear, belongs to engineering machinery field.
Background technique
The brake of current vehicle is all generally that needs are manually-operated, this has significant limitation to a certain extent, operator need certain reaction time just can make brake, in addition, some special vehicles do not arrange braking device, such as baby carriage, even if also have some vehicles to be provided with braking device, due to the problem of operator itself, also brake cannot be made accurately, such as child's bicycle, in order to address these problems, the wheel of baby carriage all does be easy to turn, and frictional force is very large, although solve the problem that car is slipped away at a high speed like this, but also cause car to be difficult to push away, a hand cannot be carried out at all.In addition, for the sake of security, some other vehicle also has the needs of speed limit.
Model utility content
The purpose of this utility model is to provide a kind of wheel with reducing gear, cannot the problem of automatic retarding to solve vehicle of the prior art.
In order to realize above object, the utility model adopts following technological scheme: a kind of wheel with reducing gear, comprise wheel hub, wheel hub is equipped with gravity drop hammer by axis of rotation, the elasticity compressed structure of the tup steering wheel hub central position making gravity drop hammer is provided with between the hammer handle end of gravity drop hammer and wheel hub, wheel hub is provided with friction eceleration part, friction eceleration part comprises the microscler substrate rotating and be assemblied on wheel hub, one end of microscler substrate is provided with the friction plate for coordinating with the friction wheel of column fixing on vehicle frame, be provided with between microscler substrate and wheel hub and drive microscler substrate to rotate to make friction plate to be pressed on torsion spring on friction wheel, wheel hub is provided with limit structure, limit structure comprises the housing be fixed on wheel hub, housing offers long blind hole, locating column is inserted with in long blind hole, driving stage clip is provided with between the inner of locating column and the bottom of long blind hole, the sidewall of housing offers the positioning hole with long blind hole vertical connection, slide in positioning hole and be provided with location fastener, snap in the positioning ring groove that locating column is offered after location fastener moves outside locating column, the notch size of positioning ring groove is greater than bottom land size, the reset spring of inwardly pushing location fastener is provided with in positioning hole, in the external port of positioning hole, envelope is provided with the screw holding out against reset spring, the outer end of locating column and the other end top press fit of microscler substrate make friction plate away from friction wheel, locating column is vertically fixed with the driving lever with gravity drop hammer slip compression fit, driving lever is stretched out by the long slide opening that housing is offered and is slidably matched with the hole wall of long slide opening, the wheel face of described friction wheel is convexly equipped with the fin extended vertically, described friction plate is convexly equipped with the cooperation fin consistent with described fin bearing of trend.
Described wheel hub is provided with two gravity drop hammers, two gravity drop hammer Central Symmetries are arranged, wheel hub have microscler substrate corresponding with two gravity drop hammers respectively and limit structure, friction plate on two microscler substrates all coordinates with described friction wheel, described elasticity compressed structure comprises the rear stabilizer that two ends slide through two gravity drop hammer hammer handles respectively, the part that gravity drop hammer hammer handle is stretched out at the two ends of rear stabilizer is fixed with the anti-falling piece coordinated with corresponding gravity drop hammer hammer handle block respectively respectively, rear stabilizer is arranged with two ends respectively with the keep-spring of two gravity drop hammer hammer handle top press fits.
Described location fastener is ball.
Described friction plate is rubber friction disc, and described friction wheel is rubber friction wheel.
Described fin is triangle with coordinating the cross section of fin.
Wheel hub of the present utility model is when high speed rotating, under the influence of centrifugal force, the outer rim of the tup meeting steering wheel hub of gravity drop hammer, in this process, gravity drop hammer can push in driving lever drive locating column and move, locating column will decontrol microscler substrate, under the effect of torsion spring, friction plate can press to friction wheel, along with the rising of speed, centripetal force increases, angle that gravity drop hammer opens become large and clash into driving lever make location fastener under the pressure of the positioning ring groove cell wall of locating column by positioning ring groove in deviate from, locating column do not have spacing after more easily in move and will thoroughly decontrol microscler substrate, friction plate is pressed on friction wheel, because friction plate moves together with wheel hub, friction wheel is fixed on vehicle frame, hub relative can reduce gradually in the rotating speed of vehicle frame, thus play the effect of deceleration, the utility model can according to the rotating speed automatic retarding of wheel hub, do not need manual operation, achieve the automatic retarding of vehicle.
In addition, speed according to actual needs, can change the gradient of positioning ring groove cell wall, the elastic force of torsion spring, locating column working stroke, the weight of gravity drop hammer, the length of microscler substrate in its center of rotation both sides etc. technical specifications to meet rate request, the structure of whole device is simple, effective.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model embodiment;
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is the structural representation of the limit structure in Fig. 1;
Fig. 4 is the rear view of Fig. 3;
Fig. 5 is the sectional view of the left view of Fig. 3;
Fig. 6 is the structural representation of the friction eceleration part in Fig. 1;
Fig. 7 is the structural representation of the friction wheel coordinated with the friction plate of friction eceleration part.
Embodiment
A kind of embodiment with the wheel of reducing gear, in Fig. 1 ~ 7, its wheel hub 1 is equipped with a pair gravity drop hammer 2 by axis of rotation, two gravity drop hammers 2 are centrosymmetric relation, all offer aperture in the hammer handle position of two gravity drop hammers 2, the two ends of rear stabilizer 3 are passed by the aperture of correspondence respectively, and rear stabilizer 3 is equipped with cotter pin 4 through on the position of aperture, cotter pin 4 coordinates with each self-corresponding gravity drop hammer block, prevents rear stabilizer 3 from taking off by gravity drop hammer.Rear stabilizer 3 is arranged with keep-spring 5, the two ends of keep-spring 5 respectively with the hammer handle elastic top press fit of corresponding gravity drop hammer, the hammer handle of pushing gravity drop hammer makes the tup of gravity drop hammer have the trend of the central position of close wheel hub 1.Position wheel hub 1 corresponding to each gravity drop hammer is respectively arranged with a friction eceleration part 6, the microscler substrate 7 of friction eceleration part 6 rotates and is assemblied on wheel hub 1, one end of microscler substrate 7 is fixedly installed friction plate 8, friction plate 8 can with friction wheel 9 compression fit, friction wheel 9 is column, be fixedly installed on vehicle frame, microscler substrate 7 realizes friction plate by rotation and is separated and combination with friction wheel, the torsion spring driving microscler substrate to rotate is provided with between microscler substrate 7 and wheel hub 1, this torsion spring makes microscler substrate have rotation trend, this trend allows friction plate be pressed on friction wheel.Wheel hub 1 also has two limit structures 10, two limit structures corresponding two friction eceleration parts respectively, the housing 11 of limit structure 10 is fixed on wheel hub, housing 11 offers long blind hole 12, locating column 13 is inserted with in long blind hole 12, housing 11 is stretched out in one end of locating column 13, is provided with drives stage clip 14 in the inner of long blind hole 12, drives stage clip 14 elastic top to be pressed in the inner termination of locating column 13.The sidewall of housing 11 offers positioning hole 15, positioning hole 15 and long blind hole 12 vertical connection, slide in positioning hole 15 and be provided with ball 16, ball 16 be push against by reset spring 17, reset spring 17 is in positioning hole 15, in the external port of positioning hole 15, envelope is provided with screw 18, and reset spring 17 top is pressed on screw 18.The outer circumferential face of locating column 13 offers positioning ring groove 19, under the effect of reset spring 17, ball 16 can snap in positioning ring groove 19, the notch size of positioning ring groove 19 is greater than bottom land size, that is positioning ring groove 19 is enlarging grooves, and its cell wall has certain gradient, like this, when locating column 13 is subject to certain power, ball can be deviate from by positioning ring groove, removes the positioning action of locating column, locating column can within move.The outer end of locating column 13 and microscler substrate 7 do not arrange the other end top press fit of friction plate, can compress microscler substrate make friction plate away from friction wheel when locating column 13 is in overhanging state.Locating column is fixed with driving lever 20, driving lever 20 is vertically fixed on locating column 13, driving lever 20 and gravity drop hammer 2 slide compression fit, housing 11 offers long slide opening 21, driving lever stretches out by long slide opening 21, opening at gravity drop hammer promotes in driving lever moves, and driving lever slides along the hole wall of long slide opening.
Here friction wheel is rubber friction wheel, the wheel face of friction wheel is convexly equipped with fin 22, fin 22 is along friction wheel axle to extension, friction plate is rubber friction disc, friction plate is convexly equipped with and coordinates fin 23, coordinate fin 23 consistent with fin 22 bearing of trend, fin is triangle with coordinating the cross section of fin.
Gravity drop hammer in the present embodiment is a pair, also can be one, and at this moment, the elasticity compressed structure between gravity drop hammer and wheel hub also can be torsion spring.
Location fastener in the present embodiment is ball, also can be the cylinder with conical nose.
Fin in the present embodiment is triangle with coordinating the cross section of fin, also can be trapezoidal.
Claims (5)
1. one kind has the wheel of reducing gear, it is characterized in that: comprise wheel hub, wheel hub is equipped with gravity drop hammer by axis of rotation, the elasticity compressed structure of the tup steering wheel hub central position making gravity drop hammer is provided with between the hammer handle end of gravity drop hammer and wheel hub, wheel hub is provided with friction eceleration part, friction eceleration part comprises the microscler substrate rotating and be assemblied on wheel hub, one end of microscler substrate is provided with the friction plate for coordinating with the friction wheel of column fixing on vehicle frame, be provided with between microscler substrate and wheel hub and drive microscler substrate to rotate to make friction plate to be pressed on torsion spring on friction wheel, wheel hub is provided with limit structure, limit structure comprises the housing be fixed on wheel hub, housing offers long blind hole, locating column is inserted with in long blind hole, driving stage clip is provided with between the inner of locating column and the bottom of long blind hole, the sidewall of housing offers the positioning hole with long blind hole vertical connection, slide in positioning hole and be provided with location fastener, snap in the positioning ring groove that locating column is offered after location fastener moves outside locating column, the notch size of positioning ring groove is greater than bottom land size, the reset spring of inwardly pushing location fastener is provided with in positioning hole, in the external port of positioning hole, envelope is provided with the screw holding out against reset spring, the outer end of locating column and the other end top press fit of microscler substrate make friction plate away from friction wheel, locating column is vertically fixed with the driving lever with gravity drop hammer slip compression fit, driving lever is stretched out by the long slide opening that housing is offered and is slidably matched with the hole wall of long slide opening, the wheel face of described friction wheel is convexly equipped with the fin extended vertically, described friction plate is convexly equipped with the cooperation fin consistent with described fin bearing of trend.
2. the wheel with reducing gear according to claim 1, it is characterized in that: described wheel hub is provided with two gravity drop hammers, two gravity drop hammer Central Symmetries are arranged, wheel hub have microscler substrate corresponding with two gravity drop hammers respectively and limit structure, friction plate on two microscler substrates all coordinates with described friction wheel, described elasticity compressed structure comprises the rear stabilizer that two ends slide through two gravity drop hammer hammer handles respectively, the part that gravity drop hammer hammer handle is stretched out at the two ends of rear stabilizer is fixed with the anti-falling piece coordinated with corresponding gravity drop hammer hammer handle block respectively respectively, rear stabilizer is arranged with two ends respectively with the keep-spring of two gravity drop hammer hammer handle top press fits.
3. the wheel with reducing gear according to claim 1 and 2, is characterized in that: described location fastener is ball.
4. the wheel with reducing gear according to claim 1, is characterized in that: described friction plate is rubber friction disc, and described friction wheel is rubber friction wheel.
5. the wheel with reducing gear according to claim 4, is characterized in that: described fin is triangle with coordinating the cross section of fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813954.XU CN204458923U (en) | 2014-12-12 | 2014-12-12 | A kind of wheel with reducing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813954.XU CN204458923U (en) | 2014-12-12 | 2014-12-12 | A kind of wheel with reducing gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458923U true CN204458923U (en) | 2015-07-08 |
Family
ID=53665813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420813954.XU Expired - Fee Related CN204458923U (en) | 2014-12-12 | 2014-12-12 | A kind of wheel with reducing gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231572A (en) * | 2020-03-11 | 2020-06-05 | 长沙宁湖机械设备有限公司 | Wheel for automatic control of speed of hand-pulling forklift |
-
2014
- 2014-12-12 CN CN201420813954.XU patent/CN204458923U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231572A (en) * | 2020-03-11 | 2020-06-05 | 长沙宁湖机械设备有限公司 | Wheel for automatic control of speed of hand-pulling forklift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20171212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |