CN203255159U - Automobile frame structure with electric lifting jacks - Google Patents
Automobile frame structure with electric lifting jacks Download PDFInfo
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- CN203255159U CN203255159U CN 201320246170 CN201320246170U CN203255159U CN 203255159 U CN203255159 U CN 203255159U CN 201320246170 CN201320246170 CN 201320246170 CN 201320246170 U CN201320246170 U CN 201320246170U CN 203255159 U CN203255159 U CN 203255159U
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- motor
- driven jack
- jack
- side rail
- chassis side
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Abstract
The utility model discloses an automobile frame structure with electric lifting jacks. The automobile frame structure with the electric lifting jacks aims to overcome the defects that in the prior art, a lifting jack needs to be carried with an automobile, is prone to being forgot to carry and can lift the automobile only at one position, lifting height is limited, sufficient space under the automobile cannot be provided for carrying out checking and maintenance work on the chassis of the automobile. The automobile frame structure with the electric lifting jacks comprises a pair of longitudinal members, each longitudinal member is provided with at least two electric lifting jacks, the electric lifting jacks on the two longitudinal members are symmetrically arranged relative to the longitudinal centerline of a carframe, the electric lifting jacks are in rotation connection with the longitudinal members, and the electric lifting jacks are provided with control oil cylinders. The automobile frame structure with the electric lifting jacks has the advantages that the automobile frame structure with the electric lifting jacks is free of being carried and capable of being used conveniently at any time, the lifting of the electric lifting jacks needs no manpower, the electric lifting jacks are safe and convenient, the automobile frame structure with the electric lifting jacks can lift the chassis of the automobile to a sufficient height stably, the checking and maintenance work on the chassis of the automobile can be carried out conveniently at any time, the structure is stable, the lifting jacks are not prone to sliding and shifting longitudinally in a lifting process, and when the automobile is parked, pressure loss of tires can be relieved.
Description
Technical field
The utility model relates to a kind of automobile chassis structures, relates in particular to a kind of automobile chassis structures with jack.
Background technology
Jack uses extensively in daily life as a kind of common tool of vehicle maintenance and repair.Existing hydraulic jack utilizes pascal's principle with vehicle lifting, for the maintenance works such as changing of tire provide enough spaces, and supports car body in this operating process.Also have a kind of Multi-section jack in the prior art, be provided with the cylinder bar that more piece is socketed successively, when work, be set in the at first lifting of outermost cylinder bar, after this cylinder bar lifting puts in place, be set in its inboard cylinder bar and carry out lifting again, so sheathed cylinder bar successively lifting arrives required lift height.Such socket join structure is convenient for carrying so that jack has less collection volume when not using.But existing jack still has the following disadvantages: existing jack need to carry easily with car to be forgotten; And existing jack can only be at a position lifting vehicle, so lift height is limited, can't provide enough car base spaces to carry out the maintenance and inspection work of vehicle chassis.
Chinese patent Granted publication number: CN 201376865Y, discloses a kind of novel electric vehicle-carried jack on January 6th, 2010.The utility model jack on vehicle comprise can jack-up automobile cut the shape telescope support, be equipped with the electric threaded shaft driver train of the flexible landing of control support at telescope support.Its operation of this utility model is extremely simple, need not manpower, also is convenient to vehicle-mounted carrying.Its weak point is: need to carry easily with car and forget; Lift height is limited, can't provide enough car base spaces to carry out the maintenance and inspection work of vehicle chassis.
Summary of the invention
The utility model is need to carry easily with car and forget in order to overcome jack of the prior art; And can only be at a position lifting vehicle, therefore lift height is limited, can't provide enough car base spaces to carry out the deficiency of the maintenance and inspection work of vehicle chassis, providing a kind of is installed in jack on the car chassis, convenient at any time use, and can stablize the lifting automobile chassis to enough height, a kind of Truck Frame Structure that is provided with motor-driven jack that carries out vehicle chassis maintenance and inspection work.
The utility model is by the following technical solutions for achieving the above object:
A kind of Truck Frame Structure that is provided with electronic motor-driven jack of the present utility model, comprise a pair of chassis side rail, every chassis side rail is provided with at least two electronic motor-driven jacks, and the relative vehicle frame longitudinal midline of electronic motor-driven jack on two chassis side raiies is symmetrical arranged, described motor-driven jack and chassis side rail are rotationally connected, and motor-driven jack is provided with the control oil cylinder.Motor-driven jack is arranged on the vehicle chassis, convenient at any time use, the situation that can not leave behind.Be rotationally connected on motor-driven jack and the chassis side rail and the control of controlled oil cylinder, when automobile normal running, motor-driven jack turns to the position of applying chassis side rail, does not affect automobile normal running.When carrying out the maintenance operations such as tire changing at needs, control oil cylinder control motor-driven jack turns to vertical state, with the car chassis lifting, chassis side rail, motor-driven jack and control oil cylinder consist of triangular structure at this moment, guarantee that the motor-driven jack lifting is stable, and avoid occuring the situation that motor-driven jack slides.Simultaneously, the position of motor-driven jack is relative vehicle frame longitudinal midline symmetry, so motor-driven jack can carry out integral lifting to vehicle, and keeps vehicle stabilization, therefore it can be lifted to the height that can carry out the vehicle bottom maintenance.
As preferably, described motor-driven jack is Multi-section electric jack, comprises motor-driven jack main body, the first push rod and is socketed in the second push rod in the first push rod, and the jack main body is rotationally connected chassis side rail.The multi-section structure of motor-driven jack, two kinds of stable lift heights are provided, strengthen its applicability: when motor-driven jack turns to vertical state, the first push rod leans ground, play the supplemental support car body, when reducing vehicle and parking for a long time or heavy-duty vehicle when parking vehicle body to the compressing loss of wheel; And at needs wheel or vehicle chassis are overhauled, carry out again the lifting of the second push rod.And, when stablizing the lifting vehicle, can also when water out behavior occurs, prevent that water inflow of the engine is impaired.
As preferably, the second push rod end is provided with backing plate, vertical the second push rod of described backing plate.Backing plate increases motor-driven jack and contact area of ground, strengthens vehicle in the stability of lifting state.
As preferably, to control oil cylinder and comprise cylinder body and cylinder bar, cylinder body and chassis side rail are rotationally connected, and cylinder bar end and motor-driven jack are rotationally connected.The control oil cylinder is by the rotation of the extension and contraction control motor-driven jack of cylinder bar.When motor-driven jack turned to vertical state, the triangular structure that control oil cylinder and motor-driven jack consist of can effectively strengthen the structural stability of motor-driven jack when the lifting vehicle simultaneously.
As preferably, be provided with the cube mount pad between chassis side rail and the motor-driven jack, described mount pad is fixed on the chassis side rail side, and the mount pad bottom surface is provided with the locating plate of pair of parallel, and two locating plate inboards are provided with rotating shaft and motor-driven jack is rotationally connected.Mount pad makes motor-driven jack be fixed on the side of chassis side rail, when automobile normal running, can make motor-driven jack rotate the side that is collected in chassis side rail, and can not be exposed to outside the car chassis, be applicable to the lower vehicle in chassis, can prevent that motor-driven jack from affecting normal vehicle operation or in the process of moving damage.
As preferably, be provided with the cube mount pad between chassis side rail and the motor-driven jack, described mount pad is fixed on the chassis side rail bottom surface, and the mount pad bottom surface is provided with the locating plate of pair of parallel, and two locating plate inboards are provided with rotating shaft and motor-driven jack is rotationally connected.Motor-driven jack is rotationally connected by mount pad and chassis side rail, mount pad has increased the area of thrust surface of motor-driven jack and chassis side rail junction, the pressure that chassis side rail bears in this place when reducing lifting, and the point of application to vehicle of motor-driven jack also is positioned at the bottom surface scope of chassis side rail, utilize the structural strength of chassis side rail, guarantee the lifting stability and safety.This scheme is applicable to the higher heavy-duty vehicle in chassis.
As preferably, the end end face that motor-driven jack is connected with mount pad protrudes and forms hemispherical projections, and the distance on rotating shaft and hemispherical projections summit is greater than the radius of hemispherical projections; When motor-driven jack turned to vertical state, described hemispherical projections leaned the mount pad lower surface.When motor-driven jack turns to vertical state, thereby hemispherical projections leans the bearing pressure that the mount pad lower surface is shared locating plate and rotating shaft, strengthens structural stability.And other parts of hemispherical projections can not contact mount pad in the motor-driven jack rotation process, reduce the friction at hemispherical projections place to the impact of motor-driven jack rotation.
As preferably, mount pad and chassis side rail are structure as a whole.Mount pad need to have enough intensity as the connection parts between motor-driven jack and the vehicle longeron.Integrative-structure has guaranteed the structural strength of mount pad and chassis side rail connecting bridge.
Therefore, the utlity model has following beneficial effect: (1) need not to carry, convenient at any time use; (2) the motor-driven jack lifting need not manpower, safe ready; (3) can stablize the lifting automobile chassis to enough height, conveniently carry out at any time vehicle chassis maintenance and inspection work; (4) triangular structure that consists of of control oil cylinder and motor-driven jack is stable, and jack is difficult at the vertical transitional slide of lifting process; (5) when storing cycle, alleviate the tire crushing; (6) lifting height of car when the water logging situation occurs, prevents water inflow of the engine.
Description of drawings
Fig. 1 is the side-looking structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of facing of the utility model embodiment 1.
Fig. 3 is the part sectional view of the utility model embodiment 1.
Fig. 4 is the structural representation of the motor-driven jack collecting state of the utility model embodiment 1.
Fig. 5 is the side-looking structural representation of the utility model embodiment 2.
Fig. 6 is the structural representation of facing of the utility model embodiment 2.
Fig. 7 is the part sectional view of the utility model embodiment 2.
Fig. 8 is the structural representation of the motor-driven jack collecting state of the utility model embodiment 2.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of Truck Frame Structure that is provided with motor-driven jack of the present utility model comprises a pair of chassis side rail 1 and some cross member of framees 2.Each cross member of frame 2 is between cross member of frame 2, and connection is connected at two ends with chassis side rail, consists of framed structure.
Every chassis side rail 1 is provided with two motor-driven jacks 3, and the motor-driven jack 3 relative vehicle frame longitudinal midlines on two chassis side raiies 1 are symmetrical arranged.Each motor-driven jack 3 is positioned at the position near the wheel inboard, makes four motor-driven jacks 3 by rectangular arranged.Described motor-driven jack 3 is Multi-section electric jack, comprises jack main body 31, the first push rod 32 and is socketed in the second push rod 33 in the first push rod 32.Be provided with cube mount pad 5 between chassis side rail 1 and the motor-driven jack 3.This mount pad 5 is captiveed joint with the lateral surface of chassis side rail 1 by its side, and locating plate 51, two locatings plate 51 inboards that the bottom surface is provided with pair of parallel are provided with rotating shaft 52 and jack main body 31 is rotationally connected.The distance of rotating shaft 52 and chassis side rail 1 bottom surface is equal to or greater than 1/2nd of motor-driven jack 3 width, like this in the normal vehicle operation process, motor-driven jack 3 rotates the lateral surface that is collected in chassis side rail 1, and can not be exposed to outside the car chassis, be applicable to the lower vehicle in chassis, can prevent that motor-driven jack 3 from affecting normal vehicle operation or in the process of moving damage.
Mount pad and chassis side rail are structure as a whole.Mount pad need to have enough intensity as the connection parts between motor-driven jack and the vehicle longeron.Integrative-structure has guaranteed the structural strength of mount pad and chassis side rail connecting bridge.
The second push rod 33 ends are provided with backing plate 34, described backing plate 34 vertical the second push rods 33.Backing plate 34 increases motor-driven jack 3 and contact area of ground, strengthens vehicle in the stability of lifting state.And the multi-section structure of motor-driven jack 3, make motor-driven jack 3 have two kinds of stable lift heights: when only utilizing the first push rod 32 to carry out lifting, motor-driven jack 3 plays the supplemental support car body, when reducing vehicle and parking for a long time or heavy-duty vehicle when parking vehicle body to the compressing loss of wheel; And at needs wheel or vehicle chassis are overhauled, carry out again the lifting of the second push rod 33.Simultaneously because the setting position of motor-driven jack 3, lifting vehicle stably, and can not cause because deviation is arranged lift height vehicle rollover, so just can be in the environment of a large amount of ponding in ground the lifting vehicle, prevent water inflow of the engine.
As shown in Figure 3, motor-driven jack 3 protrudes formation hemispherical projections 35 away from an end end face of push rod, and the distance on rotating shaft 52 and hemispherical projections 35 summits is greater than the radius of hemispherical projections 35; When motor-driven jack 3 turned to vertical state, described hemispherical projections 35 leaned mount pad 5 bottom surfaces.When motor-driven jack 3 turned to vertical state, 5 lower surfaces were shared the bearing pressure of locating plate 51 and rotating shaft 52 thereby hemispherical projections 35 leans mount pad, strengthened structural stability.Hemispherical dome structure has the structural strength that stronger pressure resistance has guaranteed motor-driven jack 3.And other parts of hemispherical projections 35 can not contact mount pad 5 in motor-driven jack 3 rotation processes, reduce the friction at hemispherical projections 35 places to the impact of motor-driven jack 3 rotations.
As shown in Figure 4, when vehicle was in normal motoring condition, the side of chassis side rail 1 is collected and pressed close to motor-driven jack 3.Run into need changing of tire or car chassis overhauled in, the cylinder bar 42 of control oil cylinder 4 prolongs, and makes motor-driven jack 3 turn to vertical state.Thereby make the motor-driven jack 3 can the lifting vehicle.Motor-driven jack 3 is easy to operate, is fit to women's chaufeur and uses.Because motor-driven jack 3 is installed in convenient at any time use on the chassis side rail 1, the situation that can not leave behind, and efficiently solve the in use problem of easy transitional slide of existing jack.The vehicle that load carrying ability is larger or the vehicle soon parked for a long time also can be controlled the vehicle body lift operation that motor-driven jack 3 is done the first push rod 32 length ranges when parking.Motor-driven jack 3 can play the effect of supplemental support vehicle body like this, can greatly reduce in this class situation vehicle body to the compressing loss of wheel, and the protection wheel prolongs service life of wheel.When running into stop position generation water logging situation, then control the further lifting vehicle body of the second push rod of motor-driven jack 3, prevent that water inflow of the engine is impaired.
Embodiment 2: such as Fig. 5, shown in Figure 6, a kind of Truck Frame Structure that is provided with motor-driven jack of the present utility model comprises a pair of chassis side rail 1 and some cross member of framees 2.Each cross member of frame 2 is between cross member of frame 2, and connection is connected at two ends with chassis side rail, consists of framed structure.
Every chassis side rail 1 is provided with two motor-driven jacks 3, and the motor-driven jack 3 relative vehicle frame longitudinal midlines on two chassis side raiies 1 are symmetrical arranged.Each motor-driven jack 3 is positioned at the position near the wheel inboard, makes four motor-driven jacks 3 by rectangular arranged.Described motor-driven jack 3 is Multi-section electric jack, comprises jack main body 31, the first push rod 32 and is socketed in the second push rod 33 in the first push rod 32.Be provided with cube mount pad 5 between chassis side rail 1 and the motor-driven jack 3.This mount pad 5 is captiveed joint with the bottom surface of chassis side rail 1 by its end face, and locating plate 51, two locatings plate 51 inboards that the bottom surface is provided with pair of parallel are provided with rotating shaft 52 and jack main body 31 is rotationally connected.In the normal vehicle operation process, motor-driven jack 3 rotates the below that is collected in chassis side rail 1.This scheme is applicable to the higher heavy-duty vehicle in chassis, motor-driven jack 3 is rotationally connected by mount pad 5 and chassis side rail 1, mount pad 5 has increased the area of thrust surface of motor-driven jack 3 and chassis side rail 1 junction, the pressure that chassis side rail 1 bears in this place when reducing lifting, and the point of application to vehicle of motor-driven jack 3 also is positioned at the bottom surface scope of chassis side rail 1, utilize the structural strength of chassis side rail 1, guarantee the lifting stability and safety.
Mount pad and chassis side rail are structure as a whole.Mount pad need to have enough intensity as the connection parts between motor-driven jack and the vehicle longeron.Integrative-structure has guaranteed the structural strength of mount pad and chassis side rail connecting bridge.
The second push rod 33 ends are provided with backing plate 34, described backing plate 34 vertical the second push rods 33.Backing plate 34 increases motor-driven jack 3 and contact area of ground, strengthens vehicle in the stability of lifting state.And the multi-section structure of motor-driven jack 3, make motor-driven jack 3 have two kinds of stable lift heights: when only utilizing the first push rod 32 to carry out lifting, motor-driven jack 3 plays the supplemental support car body, when reducing vehicle and parking for a long time or heavy-duty vehicle when parking vehicle body to the compressing loss of wheel; And at needs wheel or vehicle chassis are overhauled, carry out again the lifting of the second push rod 33.Simultaneously because the setting position of motor-driven jack 3, lifting vehicle stably, and can not cause because deviation is arranged lift height vehicle rollover.
As shown in Figure 7, motor-driven jack 3 protrudes formation hemispherical projections 35 away from an end end face of push rod, and the distance on rotating shaft 52 and hemispherical projections 35 summits is greater than the radius of hemispherical projections 35; When motor-driven jack 3 turned to vertical state, described hemispherical projections 35 leaned mount pad 5 bottom surfaces.When motor-driven jack 3 turned to vertical state, 5 lower surfaces were shared the bearing pressure of locating plate 51 and rotating shaft 52 thereby hemispherical projections 35 leans mount pad, strengthened structural stability.Hemispherical dome structure has the structural strength that stronger pressure resistance has guaranteed motor-driven jack 3.And other parts of hemispherical projections 35 can not contact mount pad 5 in motor-driven jack 3 rotation processes, reduce the friction at hemispherical projections 35 places to the impact of motor-driven jack 3 rotations.
As shown in Figure 8, when vehicle was in normal motoring condition, the bottom surface of chassis side rail 1 is collected and pressed close to motor-driven jack 3.Run into need changing of tire or car chassis overhauled in, the cylinder bar 42 of control oil cylinder 4 prolongs, and makes motor-driven jack 3 turn to vertical state.Thereby make the motor-driven jack 3 can the lifting vehicle.Motor-driven jack 3 is easy to operate, is fit to women's chaufeur and uses.Because motor-driven jack 3 is installed in convenient at any time use on the chassis side rail 1, the situation that can not leave behind, and efficiently solve the in use problem of easy transitional slide of existing jack.Heavy-duty vehicle or the vehicle soon parked for a long time also can be controlled the vehicle body lift operation that motor-driven jack 3 is done the first push rod 32 length ranges when parking.Motor-driven jack 3 can play the effect of supplemental support vehicle body like this, can greatly reduce in this class situation vehicle body to the compressing loss of wheel, and the protection wheel prolongs service life of wheel.When running into stop position generation water logging situation, then control the further lifting vehicle body of the second push rod of motor-driven jack 3, prevent that water inflow of the engine is impaired.
Claims (8)
1.
A kind of Truck Frame Structure that is provided with motor-driven jack, comprise a pair of chassis side rail (1) and some cross member of framees (2), it is characterized in that, every chassis side rail (1) is provided with at least two motor-driven jacks (3), and the motor-driven jack (3) on two chassis side raiies (1) relatively vehicle frame longitudinal midline is symmetrical arranged, described motor-driven jack (3) and chassis side rail (1) are rotationally connected, and motor-driven jack (3) is provided with control oil cylinder (4).
2.
A kind of Truck Frame Structure that is provided with motor-driven jack according to claim 1, it is characterized in that, described motor-driven jack (3) is Multi-section electric jack, motor-driven jack (3) comprises jack main body (31), the first push rod (32) and is socketed in interior the second push rod (33) of the first push rod (32) that jack main body (31) is rotationally connected chassis side rail (1).
3.
A kind of Truck Frame Structure that is provided with motor-driven jack according to claim 2 is characterized in that, the second push rod (33) end is provided with backing plate (34), vertical the second push rod of described backing plate (34) (33).
4.
According to claim 1 and 2 or 3 described a kind of Truck Frame Structures that are provided with motor-driven jack, it is characterized in that, control oil cylinder (4) comprises cylinder body (41) and cylinder bar (42), cylinder body (41) and chassis side rail (1) are rotationally connected, and cylinder bar (42) end and motor-driven jack (3) are rotationally connected.
5.
A kind of Truck Frame Structure that is provided with motor-driven jack according to claim 1, it is characterized in that, be provided with cube mount pad (5) between chassis side rail (1) and the motor-driven jack (3), described mount pad (5) is fixed on chassis side rail (1) side, mount pad (5) bottom surface is provided with the locating plate (51) of pair of parallel, and two locatings plate (51) inboard is provided with rotating shaft (52) and motor-driven jack (3) is rotationally connected.
6.
A kind of Truck Frame Structure that is provided with motor-driven jack according to claim 1, it is characterized in that, be provided with cube mount pad (5) between chassis side rail (1) and the motor-driven jack (3), described mount pad (5) is fixed on chassis side rail (1) bottom surface, mount pad (5) bottom surface is provided with the locating plate (51) of pair of parallel, and two locatings plate (51) inboard is provided with rotating shaft (52) and motor-driven jack (3) is rotationally connected.
7.
According to claim 5 or 6 described a kind of Truck Frame Structures that are provided with motor-driven jack, it is characterized in that, motor-driven jack (3) is connected 5 with mount pad) the end end face that connects protrudes and forms hemispherical projections (35), and the distance on rotating shaft (52) and hemispherical projections (35) summit is greater than the radius of hemispherical projections (35); Motor-driven jack (3) is when turning to vertical state, and described hemispherical projections (35) leans mount pad (5) bottom surface.
8.
According to claim 5 or 6 described a kind of Truck Frame Structures that are provided with motor-driven jack, it is characterized in that mount pad (5) and chassis side rail (1) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320246170 CN203255159U (en) | 2013-05-09 | 2013-05-09 | Automobile frame structure with electric lifting jacks |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320246170 CN203255159U (en) | 2013-05-09 | 2013-05-09 | Automobile frame structure with electric lifting jacks |
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| CN203255159U true CN203255159U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320246170 Expired - Fee Related CN203255159U (en) | 2013-05-09 | 2013-05-09 | Automobile frame structure with electric lifting jacks |
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| CN (1) | CN203255159U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799662A (en) * | 2016-04-11 | 2016-07-27 | 奇瑞汽车股份有限公司 | Automobile supporting system |
| CN111016853A (en) * | 2019-12-27 | 2020-04-17 | 中国重汽集团泰安五岳专用汽车有限公司 | Triaxial load 35 tons special vehicle chassis |
| CN111572509A (en) * | 2019-02-19 | 2020-08-25 | 上海博泰悦臻网络技术服务有限公司 | Body lift system and automobile |
| CN111976575A (en) * | 2020-08-28 | 2020-11-24 | 徐卫东 | Geological survey field rapid analysis vehicle |
-
2013
- 2013-05-09 CN CN 201320246170 patent/CN203255159U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799662A (en) * | 2016-04-11 | 2016-07-27 | 奇瑞汽车股份有限公司 | Automobile supporting system |
| CN111572509A (en) * | 2019-02-19 | 2020-08-25 | 上海博泰悦臻网络技术服务有限公司 | Body lift system and automobile |
| CN111016853A (en) * | 2019-12-27 | 2020-04-17 | 中国重汽集团泰安五岳专用汽车有限公司 | Triaxial load 35 tons special vehicle chassis |
| CN111976575A (en) * | 2020-08-28 | 2020-11-24 | 徐卫东 | Geological survey field rapid analysis vehicle |
| CN111976575B (en) * | 2020-08-28 | 2023-12-08 | 内蒙古一一五地质矿产勘查开发有限责任公司 | Geological survey field on-site rapid analysis vehicle |
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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: 20131030 Termination date: 20150509 |
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| EXPY | Termination of patent right or utility model |