CN209671587U - A kind of wheel hub driving gear-box with braking function - Google Patents
A kind of wheel hub driving gear-box with braking function Download PDFInfo
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- CN209671587U CN209671587U CN201920040053.4U CN201920040053U CN209671587U CN 209671587 U CN209671587 U CN 209671587U CN 201920040053 U CN201920040053 U CN 201920040053U CN 209671587 U CN209671587 U CN 209671587U
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- box
- piston
- wheel hub
- gear
- mandrel
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Abstract
The utility model relates to a kind of, and the wheel hub with braking function drives gear-box, comprising: mandrel, connector sleeve and brake assemblies, the connector sleeve are horizontally placed on the middle part of the hollow mandrel, form toroidal cavity；The brake assemblies are set in the toroidal cavity, are controlled by oil pressure in control cavity the brake assemblies.The utility model is not under the premise of influencing gear-box normal working performance, braking function is realized by the way that the dependency structures such as brake assemblies are arranged inside gear-box, the installation volume of gear-box is not increased, it is effectively utilized space, reduce manufacturing cost, and can be effectively improved the vehicle braking response time it is too long and improve the brake assemblies service life.
Description
Technical field
The utility model relates to vehicle hubs to drive gear-box technical field, and in particular to a kind of wheel with braking function
Hub drives gear-box.
Background technique
As the continuous development of national economy improves, the various vehicles to meet people's Working Life demand are produced
Come, the speed of vehicle driving is also had nothing in common with each other, if making vehicle slow down in the process of moving or stop in the shortest distance, just
As soon as compulsory must apply the power opposite with driving direction to automobile, this needs a special brake apparatus to realize vehicle
Reduced Speed Now and parking.
Vehicle is in design, it is often desirable that brake apparatus while guaranteeing enough braking moments, to the greatest extent may be used by own vol
Certain site volumes that small, excessive brake apparatus can be wanted to may result in vehicle are excessive, so that entire contour of the vehicle be caused to set
It counts uncoordinated；Vehicle during high speed driving, needs to stop in emergency, if braking response overlong time, it is likely that endanger
Danger；Vehicle often multiple start and stop in the process of running, cause brake life to reduce.
Utility model content
The utility model in view of the deficiencies of the prior art, proposes a kind of wheel hub driving gear-box with braking function,
Under the premise of not influencing gear-box normal working performance, realized by the way that the dependency structures such as brake assemblies are arranged inside gear-box
Braking function does not increase the installation volume of gear-box, is effectively utilized space, reduces manufacturing cost, and can be effectively improved vehicle
It braking response overlong time and improves the brake assemblies service life.
In order to solve the above technical problems, the technical solution that the utility model is taken are as follows:
A kind of wheel hub driving gear-box with braking function, comprising: mandrel, connector sleeve and brake assemblies, the connection
Set is horizontally placed on the middle part of the hollow mandrel, forms toroidal cavity；The brake assemblies are set to the toroidal cavity
It is interior, comprising: bearing block, spring, piston and the friction plate set gradually, wherein one end of the spring and the bearing block phase
Even, the other end is connected with one end of the piston, and multiple friction plates, the friction are provided at the other end of the piston
The internal spline of piece is matched with the external splines of the connector sleeve；Hydraulic circuit, the liquid are offered in the main body of the mandrel
Pressure oil road is connected with the piston oil pocket that the piston is formed, by controlling piston described in the intracavitary oil pressure cntrol of the piston oil
Movement, and then control the movement of the friction plate.
Further, one end of the piston opens up fluted, for installing the spring.
Further, one end of the connector sleeve is connected by spline with machine shaft, the other end pass through spline with it is described
The sun gear of the planetary mechanism of gear-box is connected.
Further, one end of the bearing block and the connector sleeve is ipsilateral.
Further, the brake assemblies further include: for installing the friction plate pedestal of multiple friction plates, be arranged
In one end far from the bearing block.
Further, sealing element is equipped between the outer wall of the piston and the inner wall of the mandrel.
Further, sealing element is equipped between the outer wall of the bearing block and the inner wall of the mandrel.
Further, one end of the hydraulic circuit is connected with the piston oil pocket, and the other end is connected with external oil pump
It is logical.
Further, further includes: oil fill plug is set in the main body of the mandrel and is connected with the hydraulic circuit
It is logical, the supply for hydraulic oil.
The beneficial effects of the utility model include at least: the utility model is not before influencing gear-box normal working performance
It puts, realizes braking function by the way that the dependency structures such as brake assemblies are arranged inside gear-box, do not increase the fixing body of gear-box
Product, is effectively utilized space, reduces manufacturing cost, and it is too long and improve braking to be effectively improved the vehicle braking response time
Assembly life-span.
Detailed description of the invention
Fig. 1 is the utility model gear box structure cross-sectional view.
Wherein, mandrel 1, bearing block 2, connector sleeve 3, oil fill plug 4, hydraulic circuit 5, friction plate 6, piston 7, spring 8, work
Fill in oil pocket 9, machine shaft 10, sun gear 11, friction plate pedestal 12, sealing element 13.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, combined with specific embodiments below
The utility model is described in further detail.The embodiments described below is exemplary, and is only used for explaining that this is practical new
Type, and should not be understood as limiting the present invention.Particular technique or condition are not specified in embodiment, according in the art
Document described in technology or conditions or carried out according to product description.
Embodiment according to the present utility model, Fig. 1 is the utility model gear box structure cross-sectional view, shown referring to Fig.1, this
Wheel hub described in utility model with braking function drives gear-box, specifically includes that mandrel, connector sleeve and brake assemblies；According to
Some embodiments of the utility model, gear-box described in the utility model further include: oil fill plug is set to the mandrel
It is connected in main body and with the hydraulic circuit, the supply for hydraulic oil.
Embodiment according to the present utility model, shown referring to Fig.1, the connector sleeve is horizontally placed on the hollow mandrel
Middle part, formed toroidal cavity；The right end of the connector sleeve is connected by spline with machine shaft, left end pass through spline with it is described
The sun gear of the planetary mechanism of gear-box is connected.
Embodiment according to the present utility model, shown referring to Fig.1, the brake assemblies are set in the toroidal cavity,
It include: the bearing block set gradually, spring, piston and friction plate, wherein the right end of the spring is connected with the bearing block,
The left end of the spring is connected with the right end of the piston, and multiple friction plates are provided at the left end of the piston, described
The internal spline of friction plate is matched with the external splines of the connector sleeve；Hydraulic circuit, institute are offered in the main body of the mandrel
It states hydraulic circuit and is connected with the piston oil pocket that the piston is formed, by controlling described in the intracavitary oil pressure cntrol of the piston oil
The movement of piston, and then control the movement of the friction plate.
Embodiment according to the present utility model, shown referring to Fig.1, the right end of the piston is offered for installing the bullet
The groove of spring.
Embodiment according to the present utility model, shown referring to Fig.1, the bearing block and the connector sleeve are ipsilateral, i.e., equal position
In right side.
Embodiment according to the present utility model, shown referring to Fig.1, the brake assemblies further include: for installing multiple institutes
The friction plate pedestal for stating friction plate is set to one end far from the bearing block, i.e. left side.
Embodiment according to the present utility model, referring to Fig.1 shown in, the piston outer wall and the mandrel inner wall it
Between be equipped with sealing element；And sealing element is equipped between the outer wall of the bearing block and the inner wall of the mandrel.
Embodiment according to the present utility model, shown referring to Fig.1, one end of the hydraulic circuit and the piston oil pocket phase
Connection, the other end are connected with external oil pump.
The working principle of the utility model gear-box are as follows: motor is connect by spline with connector sleeve, and connector sleeve rotation is driven,
To drive the planetary mechanisms such as sun gear to rotate, i.e., gear-box operates, and makes normal vehicle operation；When vehicle needs to slow down or stop
When, hydraulic oil is flowed out from hydraulic circuit by the hydraulic control system control oil pump of automobile, makes the oil pressure in piston oil pocket
It reduces, to make to be fixed on the compressed spring instantaneous elongation on bearing block, pushes piston, piston moves downward, will originally
With each other not in contact with friction plate press together, increasing friction force, and pass through the outer of external splines on friction plate and connector sleeve
Spline engagement makes connector sleeve slow down or stop operating, to achieve the purpose that vehicle deceleration or parking.
It is understood that the oil pressure height in piston oil pocket makes piston move right when working normally, spring is made to be in pressure
Contracting state, at this time contactless, normal vehicle operation between multiple friction plates.
Some embodiments according to the present utility model, hydraulic control system described in the utility model are this field routine skill
Art.
In conclusion the present apparatus is compact-sized, space utilization rate is high, and gear-box is the indispensable component of automobile, is passed through
The torque increase reduction of speed of gear-box, can be only achieved the normally travel of vehicle.The brake assemblies that this utility model is proposed, volume itself
Though it is small, can guarantee sufficiently large braking torque, and need to only increase inside the gear-box of script hydraulic circuit, friction plate,
Piston and spring etc. do not increase gear-box installation volume, are effectively utilized space, reduce manufacturing cost；And this is practical new
The wheel hub driving gear-box brake assemblies that type proposes are the braking torques formed using spring arrangement, while oil pressure reduces, bullet
Spring resets, and the spring reset time is the braking response time, and more general brake apparatus response is rapider.This utility model institute
The brake assemblies of proposition, also more general brake apparatus is more for the friction plate quantity of use, also extends braking dress from another point of view
The service life set reduces brake fade risk.
In the present invention unless specifically defined or limited otherwise, the terms such as term " connected ", " connection " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or integral；It can be mechanical connection, it can also be with
It is electrical connection；Can be directly connected, can also indirectly connected through an intermediary, can be connection inside two elements or
The interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
In the description of the present invention, it should be understood that the orientation of the instructions such as term "left", "right" or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In the description of this specification, the description of reference term " embodiment ", " some embodiments " etc. means to combine the reality
Apply example or example particular features, structures, materials, or characteristics described be contained in the utility model at least one embodiment or
In example.In the present specification, schematic expression of the above terms need not be directed to identical embodiment or example.And
And particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples with suitable side
Formula combines.In addition, without conflicting with each other, those skilled in the art can will be described in this specification different real
The feature for applying example or example and different embodiments or examples is combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
It inside can make changes, modifications, alterations, and variations to the above described embodiments, at the same time, for those skilled in the art, foundation
The thought of the application, there will be changes in the specific implementation manner and application range.
Claims (9)
1. a kind of wheel hub with braking function drives gear-box characterized by comprising mandrel, connector sleeve and brake assemblies,
The connector sleeve is horizontally placed on the middle part of the hollow mandrel, forms toroidal cavity；The brake assemblies are set to described
In toroidal cavity, comprising: bearing block, spring, piston and the friction plate set gradually, wherein one end of the spring with it is described
Bearing block is connected, and the other end is connected with one end of the piston, and multiple friction plates are provided at the other end of the piston,
The internal spline of the friction plate is matched with the external splines of the connector sleeve；
Hydraulic circuit is offered in the main body of the mandrel, the hydraulic circuit is connected with the piston oil pocket that the piston is formed
It is logical, by controlling the movement of piston described in the intracavitary oil pressure cntrol of the piston oil, and then control the movement of the friction plate.
2. wheel hub according to claim 1 drives gear-box, which is characterized in that one end of the piston open up it is fluted,
For installing the spring.
3. wheel hub according to claim 1 drives gear-box, which is characterized in that one end of the connector sleeve by spline with
Machine shaft is connected, and the other end is connected by spline with the sun gear of the planetary mechanism of the gear-box.
4. wheel hub according to claim 3 drives gear-box, which is characterized in that the one of the bearing block and the connector sleeve
It holds ipsilateral.
5. wheel hub according to claim 3 drives gear-box, which is characterized in that the brake assemblies further include: for pacifying
The friction plate pedestal for filling multiple friction plates is set to one end far from the bearing block.
6. wheel hub according to any one of claims 1-5 drives gear-box, which is characterized in that in the outer wall of the piston
Sealing element is equipped between the inner wall of the mandrel.
7. wheel hub according to any one of claims 1-5 drives gear-box, which is characterized in that in the outer of the bearing block
Sealing element is equipped between wall and the inner wall of the mandrel.
8. wheel hub according to claim 1 drives gear-box, which is characterized in that one end of the hydraulic circuit and the work
Plug oil pocket is connected, and the other end is connected with external oil pump.
9. wheel hub according to claim 1 or 8 drives gear-box, which is characterized in that further include: oil fill plug, setting
It is connected in the main body of the mandrel and with the hydraulic circuit, the supply for hydraulic oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040053.4U CN209671587U (en) | 2019-01-10 | 2019-01-10 | A kind of wheel hub driving gear-box with braking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040053.4U CN209671587U (en) | 2019-01-10 | 2019-01-10 | A kind of wheel hub driving gear-box with braking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209671587U true CN209671587U (en) | 2019-11-22 |
Family
ID=68565254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920040053.4U Active CN209671587U (en) | 2019-01-10 | 2019-01-10 | A kind of wheel hub driving gear-box with braking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209671587U (en) |
-
2019
- 2019-01-10 CN CN201920040053.4U patent/CN209671587U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of wheel hub driving gear-box with braking function Effective date of registration: 20200116 Granted publication date: 20191122 Pledgee: Ningxia Chuangyi Equity Investment Fund Management Co., Ltd Pledgor: Yinchuan power transmission technology Limited by Share Ltd Registration number: Y2020640000001 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210105 Granted publication date: 20191122 Pledgee: Ningxia Chuangyi Equity Investment Fund Management Co.,Ltd. Pledgor: YINCHUAN WEILI TRANSMISSION TECHNOLOGY Co.,Ltd. Registration number: Y2020640000001 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |