CN205327069U - Side bearing and rail vehicle - Google Patents
Side bearing and rail vehicle Download PDFInfo
- Publication number
- CN205327069U CN205327069U CN201521128152.6U CN201521128152U CN205327069U CN 205327069 U CN205327069 U CN 205327069U CN 201521128152 U CN201521128152 U CN 201521128152U CN 205327069 U CN205327069 U CN 205327069U
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- Prior art keywords
- side bearing
- upper cover
- cover plate
- friction plate
- casing
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- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a side bearing and rail vehicle. A side bearing, fills and is equipped with lubricated liquid and cross section and has fixed the upper cover plate that side bearing rubber is piled for sectorial box opening upper cover closes the top to the length of each free end of upper cover plate at least for the length of the same end box and this end box lateral wall to the same serve the friction plate top apart from the sum, it sets up the holder of placing the roller to fix the last friction plate bottom the upper cover plate and fix between the lower friction plate at the bottom half internal surface. A rail vehicle, install as above on this rail vehicle of the side bearing. The utility model provides a side bearing and rail vehicle has reduced the frictional resistance of roller, has reduced the restoring moment of side bearing to can not increase restoring moment after long -term the use yet, simultaneously, the centre of turning circle of the directional bogie of axis of roller for the upper cover plate conforms with rail vehicle movement track with last friction plate movement track, thereby has improved the ability of rail vehicle when the curve circuit moves.
Description
Technical field
This utility model relates to a kind of side bearing and rail vehicle, belongs to rail vehicle manufacturing technology field。
Background technology
The side bearing of rail vehicle is mainly used in connection body and bogie, and the weight that makes to get on the bus is evenly distributed on bogie, reduces the unbalanced moments of bogie simultaneously, it is ensured that the uniform distribution of axle weight。When curve crossed by rail vehicle, enable bogie to turn round relative to car body, relax the impact to rail vehicle when circuit is bad, it is ensured that rail vehicle has good stationarity。
One many roller types compound side bearing of the prior art, including side bearing rubber metal pad and rectangular box that cross section is rectangle and upper end open, it is fixed with friction plate in side bearing rubber metal pad bottom, lower friction plate is fixed in casing, lower friction plate is placed with retainer, being provided with set of rollers in retainer, and this set of rollers is limited in retainer, retainer can slide on lower friction plate along with set of rollers。Casing is arranged over dust excluding plate, and dust excluding plate is fixedly connected on side bearing rubber metal pad。Box house is additionally provided with baffle plate, and baffle plate is located at the both sides of the friction plate direction of motion, and with upper friction plate two side contacts。
But this many roller types compound side bearing of the prior art seals bad, box house easily exposes in atmosphere, thus the impurity in air is easily accessible in casing, after life-time service, the frictional resistance of roller can increase, so that the restoring moment of side bearing increases, and the upper movement locus of friction plate and the movement locus of rail vehicle inconsistent so that the rail vehicle ability when curve circuit runs is weak。
Utility model content
This utility model provides a kind of side bearing and rail vehicle, increase with the restoring moment solving in prior art to occur after side bearing life-time service and the movement locus of upper friction plate and the movement locus of rail vehicle inconsistent so that rail vehicle is in the weak technical problem of curve circuit service ability。
This utility model provides a kind of side bearing on the one hand, including: the casing of upper end open, side bearing rubber metal pad, upper cover plate, upper friction plate, lower friction plate, retainer and multiple roller；The cross section of casing is fan-shaped；The top of upper cover plate is fixed with side bearing rubber metal pad, and upper cover plate covers on casing, and the length of each free end of upper cover plate is at least length and this end wall box to the distance sum on friction plate top in same side of same side casing；Upper friction plate is fixed on the bottom of upper cover plate；Fill in casing and be provided with lubricating fluid；Lower friction plate is fixed on the inner surface of box bottom, is left to stand for frame between upper friction plate and lower friction plate, and roller is placed in retainer。Preferably, it is stained with solid lubricant at the rubbing surface place of upper cover plate and casing。
The further improvement of above-mentioned side bearing, the sidewall of casing offers the seal groove towards upper cover plate, is provided with sealing strip in this seal groove。Preferably, sealing strip is elastic sealing strip, and elastic sealing strip is slightly above casing。
The further improvement of above-mentioned side bearing, upper cover plate is provided with blow vent, and casing is provided with tap hole。Preferably, blow vent can be also used for injecting lubricating fluid in casing。
The further improvement of above-mentioned side bearing, box bottom is provided with stillpot, and stillpot is for precipitating the impurity in lubricating fluid。Preferably, stillpot is four, is separately positioned on four angles of casing, and the link slot offered by box bottom between these four stillpots is linked together。More excellent, tap hole is disposed therein the bottom of a stillpot。
The further improvement of above-mentioned side bearing, retainer is provided with the groove of the described roller of multiple placement。
The further improvement of above-mentioned side bearing, the volume of groove surface upwards friction plate part is less than the volume of the downward friction plate part of groove surface。Preferably, the junction rounding off of recess sidewall。
The further improvement of above-mentioned side bearing, upper cover plate, upper friction plate, retainer and lower friction plate are provided with coaxial hole, location。
The further improvement of above-mentioned side bearing, the both sides of upper cover plate are provided with the projection toward casing direction。
This utility model provides a kind of rail vehicle on the other hand, and this rail vehicle is provided with side bearing as above。
The side bearing of this utility model offer and rail vehicle, by the casing using cross section to be sector, and on box opening, cover length meet the upper cover plate of certain condition, in casing, it is placed with the retainer of roller and injects lubricating fluid simultaneously, thus reducing roller in containment housing and frictional resistance between friction plate up and down, so it also reduce the restoring moment of side bearing, and in life-time service, the frictional force of roller is all without occurring significantly increasing, and thus makes the restoring moment of side bearing to increase；And the casing that cross section is fan-shaped makes upper cover plate be consistent with the movement locus of rail vehicle with the movement locus of upper friction plate, thus improve the rail vehicle ability when curve circuit runs。
Accompanying drawing explanation
The front view (biopsy cavity marker devices) of the side bearing that Fig. 1 provides for this utility model；
The top view (upper cover plate half-open position) of the side bearing that Fig. 2 provides for this utility model；
Fig. 3 is the sectional view of upper cover plate and casing in Fig. 1 and Fig. 2；
Fig. 4 is the top view of roller and retainer in Fig. 1；
Fig. 5 is A-A direction view in Fig. 4。
In figure:
1, side bearing；10, casing；
101, seal groove；102, sealing strip；
103, tap hole；104, stillpot；
20, upper cover plate；201, blow vent；
202, protruding；203, abrasion bar；
30, side bearing rubber metal pad；40, upper friction plate；
50, lower friction plate；60, retainer；
601, groove；70, roller；
80, hole, location。
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model being described in detail, it should be appreciated that detailed description of the invention described herein is merely to illustrate and explains this utility model, this utility model is not limited to following detailed description of the invention。
For the ease of understand and describe this utility model, the noun of locality used in implementation below " up and down " refer to reference to shown in the drawings up and down, the noun of locality " inside and outside " used refers to " inside and outside " of part itself。But the above noun of locality is not to restriction of the present utility model, it will be understood by a person skilled in the art that the change of observed direction can cause that corresponding change occurs in orientation described below。
The front view (biopsy cavity marker devices) of the side bearing that Fig. 1 provides for this utility model；The top view (upper cover plate half-open position) of the side bearing that Fig. 2 provides for this utility model。A kind of side bearing 1 as illustrated in fig. 1 and 2, including: the casing 10 of upper end open, upper cover plate 20, side bearing rubber metal pad 30, upper friction plate 40, lower friction plate 50, retainer 60 and multiple roller 70。The top of upper cover plate 20 is fixed with side bearing rubber metal pad 30, and upper cover plate 20 covers on the opening of casing 10, and the cross section of this casing 10 is fan-shaped。Simultaneously, in order to upper cover plate 20 can cover on the opening of casing 10 all the time when motion, and making to be formed between upper cover plate 20 and casing 10 airtight, upper cover plate 20 is at least no less than the length sum of the casing 10 length from the center to casing 10 right end sidewalls and right-hand member distance casing 10 right end sidewalls of upper friction plate 40 from the center to the length of right-hand member。In like manner, upper cover plate 20 also should at least be not less than the length sum of the casing 10 length from the center to casing 10 left end sidewall and upper friction plate 40 left end distance casing 10 left end sidewall from the center to the length of left end。Fixing lower friction plate 50 on inner surface bottom casing 10, between lower friction plate 50 and upper friction plate 40, retainer 60 is set, multiple rollers 70 are placed in retainer 60, and above-mentioned roller 70 is limited in retainer 60, so, the axis of each roller 70 just both points to the centre of gyration of bogie。Meanwhile, fill in casing 10 and be provided with the lubricating fluid that viscosity coefficient is less, such as, lubricating oil。
The side bearing 1 of the present embodiment, by fixing a upper cover plate 20 covered on casing 10 opening bottom rubber metal pad 30, and make the length of upper cover plate 20 meet certain condition, ensure that upper cover plate 20 can cover all the time in motor process on the opening of casing 10 and and casing 10 between formed and seal, avoid the impurity in air and enter in casing 10, thus ensure that the cleaning within casing 10, and side bearing 1 is lubricated by lubricating fluid, reduce the frictional resistance of roller 70, thus reducing the side bearing 1 restoring moment when curve crossed by rail vehicle, and also reduce roller 70, the abrasion of upper friction plate 40 and lower friction plate 50。And when life-time service, the frictional resistance of roller 70 is without occurring significantly increasing, thus the restoring moment of side bearing 1 is without increase。Simultaneously, the cross section of casing 10 is arranged to sector, the axis making each roller 70 is all directed to the centre of gyration of bogie, thus the upper cover plate 20 of side bearing 1 and the motion of upper friction plate 40 opposite case 10 are crossed the movement locus of side bearing 1 during curve and are kept consistent with rail vehicle, such side bearing 1 can more conform to motion feature when curve crossed by rail vehicle, thus improve the rail vehicle ability when curve circuit runs。
Fig. 3 is the sectional view of upper cover plate and casing in Fig. 1 and Fig. 2, please in the lump referring to Fig. 3。In order to strengthen the sealing property of side bearing 1, it is possible to the top side wall at casing 10 offers the seal groove 101 towards upper cover plate 20, in seal groove 101, install sealing strip 102 simultaneously。So, in the whole process of upper cover plate 20 opposite case 10 motion, sealing strip 102 can both be passed through between upper cover plate 20 and casing 10 and form a good sealing, so that dust in air and impurity will not enter in the casing 10 of side bearing 1, also allow for the motion of side bearing 1 more flexible, and improve the service life of lubricating fluid in casing 10。The above-mentioned sealing strip 102 being placed in seal groove 101 can be elastic sealing strip。Make the action of gravity of side bearing rubber metal pad 30, upper cover plate 20 and upper friction plate 40 on elastic sealing strip by such setting, elastic sealing strip is risen certain compression, strengthen the sealing property between upper cover plate 20 and casing 10 further。Further, when actual installation, it is possible to make the top side wall slightly above casing 10 of the elastic sealing strip after installation。So, a gap sealed by sealing strip 102 can be formed between the top side wall of upper cover plate 20 and casing 10。In practical work process, just can detect the duty of side bearing rubber metal pad 30 by monitoring the presence or absence in this gap, become monitoring so that prior art cannot be carried out the duty of the side bearing rubber metal pad 30 of effective monitoring。And the mode that this seal clearance by upper cover plate 20 and the top side wall of casing 10 monitors the duty of rubber metal pad 30 is also very simple and convenient。
Owing to side bearing 1 is in motor process, can regular rub between upper cover plate 20 and casing 10, in order to reduce frictional resistance therebetween, improve rail vehicle and spend the ability of curve and the service life of side bearing 1, suitable reduction frictional resistance can be done process at the rubbing surface place of upper cover plate 20 and casing 10, such as, it is coated with the lubricating fluid of lubricating oil one class at rubbing surface place, or adheres to one layer of solid lubricant at rubbing surface place。But also can by the inside and outside wall of casing 10 being arranged to circular shape to reduce the frictional force between upper cover plate 20 and casing 10 further。
Upper cover plate 20 can arrange blow vent 201 discharge for the air in casing 10。Blow vent 201 can be two, is separately positioned on the two ends, left and right of upper cover plate 20。By arranging blow vent 201, when side bearing 1 carries out substantial amounts of curvilinear motion, that is, rail vehicle continuously substantial amounts of by curve time, due to the rubbing action of roller Yu upper and lower friction plate, lubricating fluid temperature in casing 10 raises, air heats in casing is expanded, thus pressure-air can be discharged between casing 10 and upper cover plate 20, so, pressure in casing 10 can reduce so that upper cover plate 20 and sealing strip 102 frictional force increase。By arranging blow vent 201 on upper cover plate 20, it is possible to make casing 10 communicate with outside atmosphere, thus reducing the resistance of motion of upper cover plate 20。Certainly, when actually used, blow vent 201 is also used as the liquid injection port filled in casing 10 when setting lubricating fluid。
Before and after upper cover plate 20, both sides can be respectively provided with the projection 202 toward casing direction, for preventing friction plate 40 toward the motion of fore-and-aft direction。Further, in order to improve the service life of side bearing 1, it is possible to install abrasion bar 203 at the contact surface place of protruding 202 with casing 10。In use, when side bearing 1 is moved, only abrasion bar 203 is due to rubbing action meeting loss to some extent, so have only to change in use for some time may wear to a degree of abrasion bar 203, without changing whole side bearing 1, thus improve the service life of side bearing 1, reduce cost。It is arranged on friction plate 40 direction of motion (left and right directions) both sides it is of course also possible to use, and the baffle plate contacted with two sides before and after upper friction plate 40 is to limit the motion toward fore-and-aft direction of the upper friction plate 40。
Fig. 4 is the top view of roller and retainer in Fig. 1；Fig. 5 is A-A direction view in Fig. 3。As shown in Figure 4 and Figure 5, retainer 60 offers the groove 601 of multiple placement roller 70。Placing roller 70 multiple roller 70 can be made to separate each other by offering the mode of groove 601 on retainer 60, will not mutually extrude each other, thus reducing the frictional force that roller 70 is subject to, and each roller 70 can do and roll completely。Meanwhile, when side bearing 1 is moved, all of roller 70 is all synchronized with the movement。The retainer 60 so arranged and set of rollers, it is possible to reduce the side bearing 1 restoring moment when curve crossed by rail vehicle, thus improving the rail vehicle ability when curve circuit runs。Further, when offering above-mentioned groove 601, it is possible to make the lower volume upper volume more than groove 601 of groove 601, namely groove 601 faces down towards the volume of upper friction plate 40 part less than groove 601 volume of friction plate 50 part。By such setting, can so that roller 70 be in lubricating fluid all the time, and the contact surface that upper friction plate 40 contacts with roller 70 with lower friction plate 50 will not contact with retainer 60, thus reducing frictional force when roller 70 rolls, improve the rolling effect of roller 70, and then the restoring moment of side bearing 1 during curve crossed by reduction rail vehicle。In order to reduce the friction between side bearing 1 and retainer 60 further, it is possible to rounding off is made in the junction of groove 601 sidewall。Certain, above-mentioned retainer 60 with roller composition it can also be provided that together with multiple rollers 70 are arranged in order and be placed on the form in retainer 60。Even, it is also possible to do not use retainer 60 directly slot on lower friction plate 50 and be placed in the groove that lower friction plate 50 is offered by roller 70。
The bottom or sidewall of casing 10 are provided with for by lubricating fluid from the tap hole 103 discharged in casing 10, tap hole 103 is provided with tap hole and blocks up。By arranging tap hole 103, the lubricating fluid in casing 10 can be discharged when the lubricating fluid in casing 10 is too much or needs again to change lubricating fluid。And tap hole 103 is arranged on bottom casing 10 and can the impurity being deposited in bottom casing 10 together be discharged outside casing 10, it is to avoid affect the motion of side bearing 1 when there is impurity in casing 10, thus improving the rail vehicle ability when curve circuit runs。And, in order to further reduce the impurity in lubricating fluid, can also bottom casing 10 on offer stillpot 104 for the impurity that precipitates in lubricating oil with the cleaning of rubbing surface between friction plate 40, lower friction plate 50, roller 70 on keeping, avoid the motion of roller 70 in impurity effect side bearing 1, retainer 60 and upper friction plate 40, lower friction plate 50, thus improving the motor capacity of side bearing 1。Such stillpot 104 can be arranged on one of them angle in four angles bottom casing 10 or multiple angle place, thus can by contamination precipitation position at four angles bottom casing 10, reduce the possibility that impurity contacts with roller 70, retainer 60 and upper friction plate 40, lower friction plate 50, thus improving the motor capacity of side bearing 1 as far as possible。If arranging multiple stillpot 104, then between these stillpots 104, link slot can be set and link together, so can increase the ability of precipitated impurities, reduce the impurity in lubricating fluid as far as possible and be beneficial to impurity is discharged casing 10。Further, in order to better the impurity of precipitation and lubricating oil be discharged casing 10, it is possible to tap hole 103 to be arranged on the bottom of stillpot 104, thus driving the impurity in stillpot 104 to discharge casing 10 by the flowing of lubricating fluid while discharging lubricating fluid。If stillpot 104 is multiple, this tap hole 103 can be disposed therein the bottom of a stillpot 104, thus driving the impurity in stillpot 104 flow in tap hole 103 through link slot and discharge casing 10 by the flowing of lubricating fluid while discharging lubricating fluid。
Finally, in order to install time, location is convenient, it is possible to upper cover plate 20, on friction plate 40, retainer 60 and lower friction plate 50 offer coaxial hole, location 80。When specifically installing, first lower friction plate 50 is installed in casing 10, then the hole, location 80 of retainer 60, upper friction plate 40 and upper cover plate 20 is sequentially passed through alignment pin, and the lower end of alignment pin is penetrated the hole 80, location of lower friction plate 50 can realize aligning of each structure in side bearing 1。In order to ensure the sealing of side bearing 1, the hole, location 80 of upper cover plate 20 can arrange sealing lid, or the hole 80, location of upper cover plate 20 can also be arranged on upper cover plate 20 and the position of side bearing rubber metal pad 30 is installed, the such as center of upper cover plate 20, so just can directly the hole, location 80 of upper cover plate 20 be sealed when upper cover plate 20 is fixed with side bearing rubber metal pad 30, thus ensureing the sealing of side bearing 1。And, the hole 80, location of upper cover plate 20 is arranged on the center of upper cover plate 20, it is possible to the left and right two ends making upper cover plate 20 are symmetrical, just need not consider the length at upper cover plate about 20 two ends when actual installation, improve installation effectiveness, reduce labor intensity during installation。If the hole 80, location of aforementioned upper cover plate 20 is not disposed on the contact surface of side bearing rubber metal pad 30 and upper cover plate 20, then this hole 80, location can directly as the blow vent 201 on upper cover plate 20。
This utility model provides a kind of rail vehicle on the other hand, and this rail vehicle is provided with side bearing 1 as above。
Rail vehicle of the present utility model, by fixing a upper cover plate 20 covered on casing 10 opening bottom the side bearing rubber metal pad 30 of side bearing 1, and make the length of upper cover plate 20 meet certain condition, ensure that upper cover plate 20 can cover all the time in motor process on the opening of casing 10 and and casing 10 between formed and seal, avoid the impurity in air and enter in casing 10, thus ensure that the cleaning within casing 10, and side bearing 1 is lubricated by lubricating fluid, reduce the frictional resistance of roller 70, thus reducing the side bearing 1 restoring moment when curve crossed by rail vehicle, and also reduce roller 70, the abrasion of upper friction plate 40 and lower friction plate 50。And when life-time service, the frictional resistance of roller 70 is without occurring significantly increasing, thus the restoring moment of side bearing 1 is without increase。Simultaneously, the cross section of casing 10 is arranged to sector, the axis making each roller 70 is all directed to the centre of gyration of bogie, thus the upper cover plate 20 of side bearing 1 and the motion of upper friction plate 40 opposite case 10 are crossed the movement locus of side bearing 1 during curve and are kept consistent with rail vehicle, such side bearing 1 can more conform to motion feature when curve crossed by rail vehicle, thus improve the rail vehicle ability when curve circuit runs。
Last it is noted that embodiment of above is only in order to illustrate the technical solution of the utility model, but not be limited；Although having been carried out describing in detail to this utility model with reference to aforementioned embodiments, but it will be understood by those within the art that: the technical scheme described in aforementioned embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of this utility model embodiment technical scheme。
Claims (10)
1. a side bearing, it is characterised in that including: the casing of upper end open, rubber metal pad, upper cover plate, upper friction plate, lower friction plate, retainer and multiple roller；
The cross section of described casing is fan-shaped；
Side bearing rubber metal pad is fixed at the top of described upper cover plate, and described upper cover plate covers on described casing, and the length of each free end of described upper cover plate is at least length and this end wall box to the distance sum on friction plate top in same side of same side casing；
Described upper friction plate is fixed on the bottom of described upper cover plate；
Fill in described casing and be provided with lubricating fluid；
Described lower friction plate is fixed on the inner surface of described box bottom, is placed with retainer between described upper friction plate and lower friction plate, and described roller is placed in described retainer。
2. side bearing according to claim 1, it is characterised in that the sidewall of described casing offers the seal groove towards upper cover plate, is provided with sealing strip in described seal groove。
3. side bearing according to claim 2, it is characterised in that the top of described sealing strip is higher than the top of wall box。
4. side bearing according to claim 1, it is characterised in that be provided with blow vent on described upper cover plate, described casing is provided with tap hole。
5. side bearing according to claim 1, it is characterised in that described box bottom is provided with stillpot, described stillpot is for precipitating the impurity in described lubricating fluid。
6. side bearing according to claim 1, it is characterised in that the both sides of described upper cover plate arrange the projection in oriented casing direction。
7. the side bearing according to any one of claim 1-6, it is characterised in that described retainer is provided with the groove of the described roller of multiple placement。
8. side bearing according to claim 7, it is characterised in that the volume of described groove surface upwards friction plate part is less than the volume of the downward friction plate part of described groove surface。
9. the side bearing according to any one of claim 1-6, it is characterised in that be provided with coaxial hole, location on described upper cover plate, upper friction plate, retainer and lower friction plate。
10. a rail vehicle, it is characterised in that install on described rail vehicle just like the side bearing described in any one of claim 1-9。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128152.6U CN205327069U (en) | 2015-12-29 | 2015-12-29 | Side bearing and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128152.6U CN205327069U (en) | 2015-12-29 | 2015-12-29 | Side bearing and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205327069U true CN205327069U (en) | 2016-06-22 |
Family
ID=56312723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521128152.6U Expired - Fee Related CN205327069U (en) | 2015-12-29 | 2015-12-29 | Side bearing and rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205327069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017220A1 (en) * | 2019-07-31 | 2021-02-04 | 中车戚墅堰机车有限公司 | Bogie adapted to small radius curve and locomotive |
| RU2779818C1 (en) * | 2022-03-31 | 2022-09-13 | Акционерное общество "Научно-исследовательский и конструкторско-технологический институт подвижного состава" (АО "ВНИКТИ") | Lateral support of the body on the bogie of a rail vehicle |
-
2015
- 2015-12-29 CN CN201521128152.6U patent/CN205327069U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021017220A1 (en) * | 2019-07-31 | 2021-02-04 | 中车戚墅堰机车有限公司 | Bogie adapted to small radius curve and locomotive |
| RU2779818C1 (en) * | 2022-03-31 | 2022-09-13 | Акционерное общество "Научно-исследовательский и конструкторско-технологический институт подвижного состава" (АО "ВНИКТИ") | Lateral support of the body on the bogie of a rail 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20181229 |