CN103448505B - A kind of vehicle operating regulation and control system - Google Patents
A kind of vehicle operating regulation and control system Download PDFInfo
- Publication number
- CN103448505B CN103448505B CN201210167448.3A CN201210167448A CN103448505B CN 103448505 B CN103448505 B CN 103448505B CN 201210167448 A CN201210167448 A CN 201210167448A CN 103448505 B CN103448505 B CN 103448505B
- Authority
- CN
- China
- Prior art keywords
- wheel
- vehicle operating
- control system
- torque arm
- sleeve
- 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.)
- Active
Links
Abstract
Vehicle operating regulation and control system disclosed by the invention, comprises wheel, suspension and for transmitting the transmission mechanism of wheel running resistance; Described suspension comprise damper, be positioned at described wheel one side the vertical power transmission shaft being fixed in described wheel hub; Described transmission mechanism comprises the torque arm that is positioned at described power transmission shaft top, is fixedly installed on the push rod contacting on described torque arm and with described damper; The supporting sleeve that is also provided with fixing described torque arm on described vehicle, described torque arm can rotate in described supporting sleeve. By suspension and transmission mechanism are set, the active force vertical and horizontal direction that wheel is born transmits and decomposes, and reduces the impulsive force in analysis of wheel vertical and horizontal direction, improve the stability of vehicle operating, improve the speed of service, the energy resource consumption while reducing to move, reduces use cost.
Description
Technical field
The present invention relates to a kind of vehicle, be specifically related to a kind of operation regulation and control system of vehicle.
Background technology
When vehicle travels on rugged road surface, often there will be and jolt, move jiggly phenomenon, easily cause sideThe generation of traffic accident such as turn over.
Traditional vehicle reduces fluctuating of vehicle, damper operated by rotary motion by being provided with damper at wheel placeIn wheel top, the resistance in the vertical direction that road pavement produces cushions, and reduce fluctuation, but traditional damping modes only canEnough realization reduces to fluctuate in vertical direction, cannot ensure Vehicle Driving Cycle stationarity.
In addition, produce the speed that also cannot ensure its operation when larger fluctuation at vehicle, and if road surface give wheel and hang downNogata to resistance larger, in the horizontal direction of vehicle own operation comparatively difficulty, consumed energy is more, use cost is higher,Speed is slower.
Therefore, it is better that one both can play vertical direction damping effect, ensures the steady of vehicle horizontal direction operation simultaneouslyProperty, can ensure again running velocity, when can also preventing vehicle on rugged road or turning, the vehicle operating of rollover is adjustedJoint control system urgently occurs.
Summary of the invention
Adopt damper is set in parallel in and in the up and down direction of wheel, cushions wheel fortune for solving conventional truckFluctuation when row, cannot realize operates steadily improves the two with the speed of service and takes into account, and causes use cost higher, and the speed of service isThe problems such as slow or stall, the invention discloses a kind of vehicle operating regulation and control system, both can play cushioning effect to reach, and protectThe stationarity of card vehicle operating, can ensure again running velocity, reduces energy consumption, reduces the object of use cost.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of vehicle operating regulation and control system, comprises wheel, suspension and for transmitting wheel running resistanceTransmission mechanism;
Described suspension comprise damper, be positioned at described wheel one side vertical being fixed in described wheel hubPower transmission shaft; Described transmission mechanism comprises the torque arm that is positioned at described power transmission shaft top, be fixedly installed on described torque arm and withThe push rod that described damper contacts; On described vehicle, be also provided with the supporting sleeve of fixing described torque arm, described torque armCan in described supporting sleeve, rotate.
Preferably, described damper is at least one, and described damper is horizontally disposed with and/or vertically arranges.
Preferably, described two relative wheels share a torque arm.
Preferably, on described vehicle, be also fixedly installed the guide thimble that the operation of described power transmission shaft is play the guiding role.
Preferably, on described power transmission shaft, be provided with external splines, described guide thimble inner side is provided with and described external splines phaseThe internal spline of coupling.
Preferably, described vehicle operating regulation and control system also comprises steering, and described steering comprises and turns to behaviourVertical mechanism, steering gear and steering gear, described steering gear and described power transmission shaft are radially fixing.
Preferably, described steering gear comprises the sleeve being sheathed on described power transmission shaft, connects with described sleeve is fixingThe reversing bar connecing, described reversing bar is connected with described steering gear, and described sleeve inner side is provided with described external splines and matchesSleeve internal spline.
Preferably, between the sleeve on described two relative wheels, be connected with control stick, described reversing bar is arranged at wherein oneOn individual sleeve.
Preferably, described control stick is trapezium structure.
Preferably, described push rod comprises the first push rod and the second push rod, between described the first push rod and described the second push rod, establishesBe equipped with the connector of adjustable push rod overall length.
Vehicle operating regulation and control system disclosed by the invention, comprises wheel, suspension and transports for transmitting wheelThe transmission mechanism of row resistance; Described suspension comprise damper, be positioned at described wheel one side and be vertically fixed on described carPower transmission shaft on wheel wheel shaft; Described transmission mechanism comprises the torque arm that is positioned at described power transmission shaft top, described in being fixedly installed on, turns roundThe push rod contacting on power bar and with described damper; On described vehicle, be also provided with the supporting sleeve of fixing described torque arm,Described torque arm can rotate in described supporting sleeve. By suspension and transmission mechanism are set, what wheel was born hangs downThe active force of direct sum horizontal direction transmits and decomposes, and reduces the impulsive force in analysis of wheel vertical and horizontal direction, improves vehicleThe stability of operation, improves the speed of service, and the energy resource consumption while reducing to move reduces use cost.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existingThere is the accompanying drawing of required use in technical description to be briefly described. Apparently, the accompanying drawing in the following describes is only thisSome embodiment of invention, for those of ordinary skill in the art, not paying under the prerequisite of creative work, all rightObtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of vehicle operating regulation and control system embodiment 1 disclosed by the invention;
Fig. 2 is the structural representation of a kind of vehicle operating regulation and control system embodiment 2 disclosed by the invention;
Fig. 3 is the structural representation of a kind of vehicle operating regulation and control system embodiment 3 disclosed by the invention;
Fig. 4 is a kind of vehicle operating regulation and control system embodiment disclosed by the invention 3 partial enlarged drawings.
The title of the numeral in figure or the corresponding component of alphabetical representative:
1, wheel 2, damper 3, transmission mechanism 4, steering gear 5, wheel shaft;
31, power transmission shaft 32, torque arm 33, the first push rod 34, the second push rod 35, supporting sleeve 36, guide thimble37, external splines 38, connector 39, jacking block;
41, sleeve 42, reversing bar 43, control stick.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, completeDescribe wholely. Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment. Based onEmbodiment in the present invention, those of ordinary skill in the art are not making obtain under creative work prerequisite every otherEmbodiment, belongs to the scope of protection of the invention.
The invention discloses a kind of vehicle operating regulation and control system, both can play cushioning effect to reach, ensure vehicleTraveling comfort, can ensure again running velocity, reduces energy consumption, reduces the object of use cost.
Embodiment 1
As shown in Figure 1, a kind of vehicle operating regulation and control system, comprises wheel 1, suspension, and for transmitting carThe transmission mechanism 3 of wheel running resistance; The active force of analysis of wheel vertical and horizontal direction passes by suspension and transmission mechanismPass, turn to, decompose and act on damper, the fluctuation while reducing Vehicle Driving Cycle, ensures operating steadily of vehicle.
Suspension comprise damper 2, with the power transmission shaft being positioned on wheel 1 one sides the vertical wheel shaft 5 that is fixed on wheel 131, transmission mechanism comprises the torque arm 32 that is positioned at power transmission shaft 31 tops, is fixedly installed with damper 2 and contacts on torque arm 32Push rod; Push rod comprises between the first push rod 33 and the second push rod 34, the first push rods 33 and the second push rod 34 and is provided with adjustable pushing awayThe connector 38 of bar overall length. By connector is set, the total length of adjustable push rod, at same stressed active force, the arm of force isLength can increase the moment that damper bears, and makes damper bring into play largely cushioning effect, regulates the damping of damperEffect.
Connector 38 is tube connector, and tube connector inner side is provided with internal thread, and all establish the first push rod and the second push rod junctionBe equipped with the external screw thread matching with this internal thread, by the overall length of the pipe regulating pushing rod that is rotatably connected. Or by pushing away firstOn bar and the second push rod and tube connector, through hole is set, in through hole, carries out effective secured adjusted overall length etc. by alignment pin is inserted,Concrete regulative mode does not limit.
Damper is 1, and damper 2 is horizontally disposed with, and the output of corresponding push rod is also horizontally disposed with, and ensures analysis of wheel verticalActive force in direction can be correct turning to and acting on damper. Transmission mechanism carries out the stressed of analysis of wheel vertical directionTurn to and act on horizontally disposed damper, be equivalent to like this to horizontal direction of vehicle thrust forward, ensureingWhen Vehicle Driving Cycle is stable, active force is turned to realize to the lifting of horizontal direction onward impulse, improve the speed of service, reduceEnergy resource consumption when operation, reduces use cost.
Shock absorber 2 also can vertically be placed, and can convert road surface to downward power to vehicle power upwards, concrete placement sideFormula is not restricted.
The corresponding torque arm of each wheel, push rod, and share one or one group of damper, ensure the stable of torque armProperty.
The supporting sleeve 35 that is also provided with fixing torque arm 32 on vehicle, torque arm 32 can be in supporting sleeve 35 transfersMoving. On vehicle, be also fixedly installed the guide thimble 36 that the operation of power transmission shaft 31 is play the guiding role. The top of power transmission shaft arrangesHave jacking block 39, in the time that being uneven appears in vehicle operating, power transmission shaft 31 fluctuates up and down with wheel 1, in the time that wheel moves to eminence,The jacking block 39 on power transmission shaft top promotes torque arm 32 and rotates in supporting sleeve 35, and when torque arm rotates, push rod turns thereuponMoving extruding damper carries out damping, buffering.
Wherein, torque arm 32 and jacking block 39 1 side contacts, make stress point at wheel 1 one with wheel shaft 5 joinings hang downIn straight plane, the frictional force when reducing power transmission shaft and moving along guide thimble. In addition, jacking block 39 also can with the contact point of torque arm 32Be positioned on the axial line of power transmission shaft 31, particular location does not limit.
Torque arm 32 can be positioned at back upper place or the front upper place etc. of wheel, can effectively the active force in analysis of wheel vertical direction be enteredRow transmits, and particular location does not limit.
The contact point of torque arm 32 (not shown) that also can be connected with other suspension, does not specifically limit.
On power transmission shaft 31, be provided with external splines 37, guide thimble 36 inner sides are provided with the internal spline matching with external splines 37(not shown). Ensure that power transmission shaft, according to correct orbital motion, the problem such as avoids occurring rocking.
Wherein, power transmission shaft 31 vertical level settings. Active force in analysis of wheel vertical direction is effectively transmitted, passExcept vertical level arranges, also can there is certain cutting tiltedly in moving axis 31, become to be less than the angle of 90 ° with horizontal plane, concrete angleDo not limit.
Embodiment 2
All the other are identical with embodiment 1, and difference is, the shared torque arm 32 of two relative wheels, and push rod canBe fixedly installed on any position on torque arm 32, the quantity of damper can be one or more, and the modes of emplacement of damper can beBe horizontally disposed with or vertically arrange, or arbitrarily angled placement, the quantity of push rod can be consistent with damper quantity, each push rod correspondence oneIndividual damper. By adopting two wheels to share a torque arm, when single wheel operation therein, there is fluctuation, opposite side is not depositedIn when fluctuation, now shared torque arm produces torsion, the Partial Conversion that will fluctuate is twisting action power, thereby reduces wheelFluctuation, the problem such as cut tiltedly while reducing to turn. And pass through the horizontal or vertical setting respectively of multiple dampers, horizontally disposed subtractingWhat shake device can ensure that active force in analysis of wheel vertical direction can be correct turns to and acts on damper, is equivalent to like this to carOne horizontal direction thrust forward, in ensureing that Vehicle Driving Cycle is stable, turns to realize horizontal direction by active forceThe lifting of onward impulse, improves the speed of service, and the energy resource consumption while reducing to move reduces use cost; Vertically disposed vibration dampingDevice can convert road surface to downward power to vehicle power upwards, reduces fluctuation. The shock absorber that other angle arranges can be by roadFace to vehicle power upwards to different Directional Decompositions.
Embodiment 3
All the other are identical with embodiment 1 or 2, and difference is, vehicle operating regulation and control system also comprises steering,Steering comprises steering control mechanism (not shown), steering gear (not shown) and steering gear 4, steering gear 4Radially fixing with power transmission shaft 31.
Steering gear 4 comprises the sleeve 41 being sheathed on power transmission shaft 31, the reversing bar 42 being fixedly connected with sleeve 41,Reversing bar 42 is connected with steering gear (not shown), and sleeve 41 inner sides are provided with the sleeve internal spline matching with external splines 37(not shown). By sleeve is connected with transmission shaft bond, in the time that steering gear drives reversing bar to rotate turning, sleeve can rotate and passPass power transmission shaft, power transmission shaft is rotated thereupon, realize wheel and turn in time with vehicle body, trailing wheel while avoiding vehicle front to turnStill, because inertia moves ahead, the problem that causes the sliding friction between wheel and ground to increase, ensures the stable of vehicle operating, reducesWheel wearing and tearing, the service life of improving wheel. Because power transmission shaft is connected with sleeve key, when driving power transmission shaft, wheel moves up and downTime, steering gear is with vehicle body held stationary, the stability while ensureing vehicle operating.
41, sleeve on two relative wheels is connected with control stick 43, and reversing bar 42 is arranged at one of them sleeve 41On. By the sleeve of two wheels of correspondence is connected and fixed by control stick, make in the time that reversing bar rotates a side sleeve twoThe wheel of side can be realized and turning to simultaneously by control stick, has realized the synchronism turning to, and the uniformity of steering angle, ensures carTurn time stability; Save the usage quantity of reversing bar simultaneously, reduced use cost.
In addition, control stick 43 is trapezium structure, improves stability, and wherein control stick also can be the structures such as rectangle, concrete shapeShape does not limit.
Vehicle operating regulation and control system disclosed by the invention, comprises wheel, suspension and transports for transmitting wheelThe transmission mechanism of row resistance; Described suspension comprise damper, be positioned at described wheel one side and be vertically fixed on described carPower transmission shaft on wheel wheel shaft; Described transmission mechanism comprises the torque arm that is positioned at described power transmission shaft top, described in being fixedly installed on, turns roundThe push rod contacting on power bar and with described damper; On described vehicle, be also provided with the supporting sleeve of fixing described torque arm,Described torque arm can rotate in described supporting sleeve. By suspension and transmission mechanism are set, what wheel was born hangs downThe active force of direct sum horizontal direction transmits and decomposes, and reduces the impulsive force in analysis of wheel vertical and horizontal direction, improves vehicleThe stability of operation, improves the speed of service, the energy resource consumption while reducing to move. Damper is horizontally disposed with to transmission mechanism simultaneouslyThe stressed of analysis of wheel vertical direction turned to and acted on horizontally disposed damper, be equivalent to like this to water of vehicleSquare to thrust forward, in ensureing that Vehicle Driving Cycle is stable, active force is turned to realize horizontal direction onward impulseLifting, improve the speed of service, the energy resource consumption while reducing to move, reduce use cost.
Damper also can vertically arrange, and vertically disposed shock absorber can convert to downward to vehicle power upwards by road surfacePower, reduces fluctuation.
In addition,, by steering gear is set, the stability and the uniformity that realize Vehicular turn and be, ensure vehicle operatingTime steadily.
Be more than the description to the embodiment of the present invention, by the above-mentioned explanation to the disclosed embodiments, make this area specialIndustry technical staff can realize or use the present invention. The multiple amendment of these embodiment is come those skilled in the artSay it will will be apparent, General Principle as defined herein can be in the situation that does not depart from the spirit or scope of the present inventionUnder, realize in other embodiments. Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will accord withClose the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a vehicle operating regulation and control system, is characterized in that, comprises wheel, suspension and for transmitting wheelThe transmission mechanism of running resistance;
Described suspension comprise damper, be positioned at described wheel one side vertical transmission of being fixed in described wheel hubAxle; Described transmission mechanism comprises the torque arm that is positioned at described power transmission shaft top, is fixedly installed on described torque arm and with describedThe push rod that damper contacts; The supporting sleeve that is also provided with fixing described torque arm on described vehicle, described torque arm canIn described supporting sleeve, rotate;
Each wheel correspondence is provided with a torque arm.
2. vehicle operating regulation and control system according to claim 1, is characterized in that, described damper is at least oneIndividual, described damper is horizontally disposed with and/or vertically arranges.
3. vehicle operating regulation and control system according to claim 2, is characterized in that, on described vehicle, is also fixedly installedThere is the guide thimble that the operation of described power transmission shaft is play the guiding role.
4. vehicle operating regulation and control system according to claim 3, is characterized in that, outside being provided with on described power transmission shaftSpline, described guide thimble inner side is provided with the internal spline matching with described external splines.
5. vehicle operating regulation and control system according to claim 4, is characterized in that, described vehicle operating regulates to be controlledSystem also comprises steering, and described steering comprises steering control mechanism, steering gear and steering gear, described in turn toTransmission mechanism and described power transmission shaft are radially fixing.
6. vehicle operating regulation and control system according to claim 5, is characterized in that, described steering gear comprisesBe sheathed on the sleeve on described power transmission shaft, with the reversing bar that described sleeve is fixedly connected with, described reversing bar and described steering gear phaseConnect, described sleeve inner side is provided with the sleeve internal spline matching with described external splines.
7. vehicle operating regulation and control system according to claim 6, is characterized in that, the sleeve on two relative wheelsBetween be connected with control stick, described reversing bar is arranged on one of them sleeve.
8. vehicle operating regulation and control system according to claim 7, is characterized in that, described control stick is trapezoidal knotStructure.
9. vehicle operating regulation and control system according to claim 8, is characterized in that, described push rod comprises the first push rodWith the second push rod, between described the first push rod and described the second push rod, be provided with the connector of adjustable push rod overall length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210167448.3A CN103448505B (en) | 2012-05-28 | 2012-05-28 | A kind of vehicle operating regulation and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210167448.3A CN103448505B (en) | 2012-05-28 | 2012-05-28 | A kind of vehicle operating regulation and control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103448505A CN103448505A (en) | 2013-12-18 |
| CN103448505B true CN103448505B (en) | 2016-05-18 |
Family
ID=49731508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210167448.3A Active CN103448505B (en) | 2012-05-28 | 2012-05-28 | A kind of vehicle operating regulation and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103448505B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4337958A (en) * | 1980-07-11 | 1982-07-06 | Kawasaki Motors Corp. U.S.A. | Suspension and stabilizing system for a snowmobile |
| US5636857A (en) * | 1995-03-06 | 1997-06-10 | Ford Motor Company | Vehicle solid axle front suspension system |
| CN2688522Y (en) * | 2004-02-25 | 2005-03-30 | 张明 | Vehicle bumper |
| CN1898122A (en) * | 2003-12-19 | 2007-01-17 | 皮亚乔公司 | Four-wheeled vehicle |
| CN202703175U (en) * | 2012-05-28 | 2013-01-30 | 张家港市九鼎机械有限公司 | Vehicle running adjust and control system |
-
2012
- 2012-05-28 CN CN201210167448.3A patent/CN103448505B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4337958A (en) * | 1980-07-11 | 1982-07-06 | Kawasaki Motors Corp. U.S.A. | Suspension and stabilizing system for a snowmobile |
| US5636857A (en) * | 1995-03-06 | 1997-06-10 | Ford Motor Company | Vehicle solid axle front suspension system |
| CN1898122A (en) * | 2003-12-19 | 2007-01-17 | 皮亚乔公司 | Four-wheeled vehicle |
| CN2688522Y (en) * | 2004-02-25 | 2005-03-30 | 张明 | Vehicle bumper |
| CN202703175U (en) * | 2012-05-28 | 2013-01-30 | 张家港市九鼎机械有限公司 | Vehicle running adjust and control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103448505A (en) | 2013-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8985610B2 (en) | Suspension structure and driving assembly comprising the same | |
| US10328762B2 (en) | Electric damper for vehicle | |
| CN205098267U (en) | Shock attenuation walking steering mechanism | |
| CN103192897B (en) | Bionic six-wheel-leg travelling mechanism | |
| CN105235467B (en) | Unmanned motor platform is turned to based on the rocker arm suspension formula speed difference being driven in elbow | |
| JP2013121825A (en) | Active roll control device | |
| CN101934732A (en) | Automatic pushing control system of power generating tyres of vehicle | |
| KR20090098039A (en) | Active stabilizer of vehicle | |
| CN105129110B (en) | A kind of planetary vehicle | |
| CN105235458A (en) | Wheel storing device of amphibious vehicles | |
| CN103448505B (en) | A kind of vehicle operating regulation and control system | |
| CN202703175U (en) | Vehicle running adjust and control system | |
| CN104325858B (en) | A kind of vehicle and its active lateral stabilising arrangement | |
| CN202580514U (en) | Displayer decelerator for preventing myopia | |
| CN212957672U (en) | Can turn to concrete spreader | |
| CN104724574A (en) | Floating type driving system for building hoist | |
| CN204774604U (en) | Arm - no. 2 connecting rod suspension hub reduction power drive system is draged in integration | |
| CN203921106U (en) | Mounting structure for stepless speed changing of motorcycle driving engine | |
| CN106706330A (en) | Body-in-white torsional stiffness test mechanism and test stand | |
| CN207791019U (en) | A kind of perambulator of convenient disassembly | |
| CN203157717U (en) | Middle supporting device, rear axle driving system with middle supporting device and vehicle with middle supporting device | |
| CN205534046U (en) | Car transfer case structure assembly | |
| CN204508497U (en) | A kind of floating type drive system for building hoist | |
| CN210174564U (en) | Front wheel suspension damping structure and front wheel steering engine | |
| CN211054879U (en) | Automobile stabilizing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181218 Address after: 400054 Democracy Village, Huaxi Town, Banan District, Chongqing Patentee after: CHONGQING SHENGBO TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 215000 Industrial Zone, Daxin Town, Zhangjiagang City, Suzhou, Jiangsu Patentee before: Zhangjiagang Jiuding Machinery Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200921 Address after: 201799 room 510-523, Lai Gang Road, Qingpu District, Shanghai, 510-523. Patentee after: Weimar Automobile Technology Group Co.,Ltd. Address before: 400054 democratic village, Huaxi Town, Banan District, Chongqing Patentee before: CHONGQING SHENGBO TECHNOLOGY DEVELOPMENT Co.,Ltd. |