CN206495965U - The piston driver of pneumatic differential mechanism air pump is shirked entirely - Google Patents
The piston driver of pneumatic differential mechanism air pump is shirked entirely Download PDFInfo
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- CN206495965U CN206495965U CN201720193815.5U CN201720193815U CN206495965U CN 206495965 U CN206495965 U CN 206495965U CN 201720193815 U CN201720193815 U CN 201720193815U CN 206495965 U CN206495965 U CN 206495965U
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- air pump
- differential mechanism
- mounting blocks
- eccentric wheel
- installation cavity
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Abstract
The utility model is related to the technical field of pneumatic differential mechanism air pump, more particularly, to a kind of piston driver for shirking pneumatic differential mechanism air pump entirely, including the shaft-driven eccentric wheel of motor by motor, piston handle is installed on eccentric wheel, on eccentric wheel bearings block is eccentrically provided with the other end opposite with installing the end face of motor shaft, installation cavity is eccentrically provided with the end face of bearings block, mounting blocks are installed in installation cavity, the middle part of the outer face of mounting blocks is provided with installation axle, and piston handle is installed in installation axle.Advantage is：Quality preferably, can play very big guarantee to the normal work of air pump, and operating efficiency is high, and maintenance difficulty is low and maintenance cost is low, and economic adaptability is extremely strong.
Description
Technical field
The utility model is related to the technical field of pneumatic differential mechanism air pump, and pneumatic differential is shirked entirely more particularly, to one kind
The piston driver of device air pump.
Background technology
Under steam, the relative motion of wheel road pavement has two states to automobile --- roll and slide, wherein slide and
It is divided into and trackslips and slide two kinds.When automobile turning is travelled or kept straight in uneven road surface, because both sides wheel is moved within the same time
The curve distance crossed is different, if two side drive wheels are only driven with a stiff shaft, the two angular speed is necessarily equal, must there is one
Side vehicle wheel side rolls side sliding, and another-side vehicle wheel side rolls side and trackslipped, and slip of the wheel to ground, will be stranded motor turning
Difficulty, power consumption increase, driving up easily makes some parts and tire wear.So, generation should be avoided as far as possible, current
Differential mechanism is mostly to pass through a differential gear systems by the driven gear of main reducing gear --- differential mechanism drives automobile respectively
Both sides semiaxis and driving wheel solve this problem.
Traditional pneumatic differential mechanism at present, including housing and coordinate the drain pan covered with the lower port of housing, drain pan with
Housing forms a cavity after covering, and the downside in cavity is provided with sun gear two provided with sun gear one, upside, sun gear one with too
Sun two relative end faces of wheel, which are provided with helical gear, the cavity between sun gear one and sun gear two, is evenly equipped with least two difference
With sun gear one and the planetary gear of the helical gear engaged transmission of sun gear two, several are evenly equipped with the outer ring side wall of sun gear one and is nibbled
Close at position corresponding with sun gear one in tooth one, cavity provided with neck chamber is expanded, the internal chamber wall for expanding neck chamber is provided with straight-tooth one, expands
Neck intracavitary is provided with retainer, and the outer ring side wall of retainer is provided with provided be meshed with straight-tooth one straight-tooth two of transmission, inner ring side wall
The engaging tooth two that can be meshed when at axial displacement to engaging tooth one with engaging tooth one；Set between retainer and the inner face of drain pan
There is piston, drain pan is provided with expanding the stomata that neck chamber is connected, and piston then promotes retainer and sun gear during air-blowing inside by stomata
One engagement.The stomata of this pneumatic differential mechanism is then connected with air pump, and the drive device of air pump traditional at present is more clumsy,
Including the shaft-driven eccentric wheel of motor by motor, piston handle is installed on eccentric wheel.The drive device of this structure, is being used
During, bearing is directly mounted on motor shaft, and the stress that motor shaft is born in itself can then increase accordingly, is being used
During, easily there is the phenomenon of motor shaft bending or fracture, further, since bearing is mounted on motor shaft, then this
Plant bearing smaller, bearing is also easy to damage, and the normal work to equipment causes strong influence, and during maintenance only
Integral replacing air pump is wanted, the maintenance cost of this waste for just increasing material and user, economic adaptability are poor.
The content of the invention
The deficiency existed for above-mentioned prior art, the purpose of this utility model is to provide a kind of quality preferably, can give
The normal work of air pump plays very big guarantee, and operating efficiency is high, and maintenance difficulty is low and maintenance cost is low, and economic adaptability
The extremely strong piston driver for shirking pneumatic differential mechanism air pump entirely.
To realize above-mentioned purpose, the utility model provides following technical scheme：
A kind of piston driver for shirking pneumatic differential mechanism air pump entirely, including by the shaft-driven bias of motor of motor
It is provided with wheel, eccentric wheel on piston handle, eccentric wheel on the other end opposite with installing the end face of motor shaft and is eccentrically provided with axle
Hold to be eccentrically provided with installation cavity, installation cavity on support block, the end face of bearings block and mounting blocks are installed, the outer face of mounting blocks
Middle part be provided with installation axle, piston handle is installed in installation axle.
The utility model is further arranged to：Positioning hole, the inner face of mounting blocks are provided with the middle part of the bottom of chamber of the installation cavity
Middle part install locating shaft, locating shaft insertion positioning hole in.
The utility model is further arranged to：The area of interference fit or mounting blocks between the mounting blocks and installation cavity
With the area equation of installation cavity.
The utility model is further arranged to：Fixed cover is provided with bearing in the installation axle, and piston handle is fixedly installed in axle
Hold.
The utility model is further arranged to：The outer face of mounting blocks mounting blocks after installation cavity is loaded is relative to inclined
The height of heart wheel is higher than height of the end face relative to eccentric wheel of bearings block.
The utility model is further arranged to：What the eccentric wheel was made into integration by U-shaped fixed block and with fixed block
Secter pat is constituted, and the installation position of bearings block and motor shaft is on fixed block.
By using above-mentioned technical proposal, the technique effect that the utility model is reached is：By the knot for improving eccentric wheel
Bearing, using bearings block is set on eccentric wheel, can thus be mounted directly on bearings block by structure, and be installed on
Bearing on bearings block is larger, and the stress born then becomes big accordingly, it is not easy to the phenomenon damaged occur, in addition, axle
Support block is held for motor shaft, then diameter is increased a lot, the stress that bearings block is born also becomes big accordingly,
So that the stress that motor shaft is born reduces accordingly so that motor shaft will not be damaged easily, the structure of this product changes
Become and make it that the quality of this product is preferable, very big guarantee can be played to the normal work of air pump, operating efficiency is high, maintenance difficulty
Low and maintenance cost is low, and economic adaptability is extremely strong.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is cross-section structure principle schematic of the present utility model.
Embodiment
Reference picture 1, is a kind of piston driver for shirking pneumatic differential mechanism air pump entirely disclosed in the utility model, bag
Include and be provided with the eccentric wheel 11 driven by the motor shaft 10 of motor, eccentric wheel 11 on piston handle 12, eccentric wheel 10 with installing electricity
It is eccentrically provided with bearings block 13, the end face of bearings block 13 and is eccentrically provided with the opposite other end of the end face of arbor 10
Mounting blocks 14 are installed, the middle part of the outer face of mounting blocks 14 is provided with installation axle 15, and piston handle 12 is installed in installation cavity, installation cavity
In in installation axle 15.Wherein, positioning hole is provided with the middle part of the bottom of chamber of installation cavity, locating shaft is installed at the middle part of the inner face of mounting blocks 14
16, locating shaft 16 is inserted in positioning hole, can so facilitate location and installation, and be effectively increased mounting blocks loading installation cavity
Stability afterwards.The area and the area equation of installation cavity of interference fit or mounting blocks 14 between mounting blocks 14 and installation cavity,
Such set-up mode, can enable mounting blocks further to install firm, and the quality to product is further provided
Reliable guarantee.Fixed cover is provided with bearing 17 in installation axle 15, and piston handle is fixedly installed on bearing.Mounting blocks 14 are loading
The outer face of mounting blocks 14 is higher than the end face of bearings block 13 relative to bias relative to the height of eccentric wheel 11 after installation cavity
The height of wheel 11, after the outer face of mounting blocks is disposed above into the end face of bearings block, it is possible to prevente effectively from piston handle
Friction and wear during work between bearings block.In addition, eccentric wheel 11 is by U-shaped fixed block and with consolidating
Determine the secter pat composition that block is made into integration, the installation position of bearings block 13 and motor shaft 10 is on fixed block.
Above-described embodiment is only preferred embodiment of the present utility model, and protection model of the present utility model is not limited according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (6)
1. a kind of piston driver for shirking pneumatic differential mechanism air pump entirely, including by the shaft-driven bias of motor of motor
Piston handle is installed on wheel, eccentric wheel, it is characterised in that：On eccentric wheel on the other end opposite with installing the end face of motor shaft
It is eccentrically provided with to be eccentrically provided with installation cavity, installation cavity on bearings block, the end face of bearings block and mounting blocks is installed, installs
The middle part of the outer face of block is provided with installation axle, and piston handle is installed in installation axle.
2. the piston driver according to claim 1 for shirking pneumatic differential mechanism air pump entirely, it is characterised in that：It is described
Positioning hole is provided with the middle part of the bottom of chamber of installation cavity, the middle part of the inner face of mounting blocks is installed in locating shaft, locating shaft insertion positioning hole.
3. the piston driver according to claim 1 or 2 for shirking pneumatic differential mechanism air pump entirely, it is characterised in that：
The area and the area equation of installation cavity of interference fit or mounting blocks between the mounting blocks and installation cavity.
4. the piston driver according to claim 1 for shirking pneumatic differential mechanism air pump entirely, it is characterised in that：It is described
Fixed cover is provided with bearing in installation axle, and piston handle is fixedly installed on bearing.
5. the piston driver for shirking pneumatic differential mechanism air pump entirely according to claim 1 or 2 or 4, its feature exists
In：The outer face of mounting blocks mounting blocks after installation cavity is loaded is higher than the end of bearings block relative to the height of eccentric wheel
Height of the face relative to eccentric wheel.
6. the piston driver for shirking pneumatic differential mechanism air pump entirely according to claim 1 or 2 or 4, its feature exists
In：The secter pat that the eccentric wheel is made into integration by U-shaped fixed block and with fixed block is constituted, bearings block and motor
The installation position of axle is on fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720193815.5U CN206495965U (en) | 2017-03-01 | 2017-03-01 | The piston driver of pneumatic differential mechanism air pump is shirked entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720193815.5U CN206495965U (en) | 2017-03-01 | 2017-03-01 | The piston driver of pneumatic differential mechanism air pump is shirked entirely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206495965U true CN206495965U (en) | 2017-09-15 |
Family
ID=59806187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720193815.5U Active CN206495965U (en) | 2017-03-01 | 2017-03-01 | The piston driver of pneumatic differential mechanism air pump is shirked entirely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206495965U (en) |
-
2017
- 2017-03-01 CN CN201720193815.5U patent/CN206495965U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |