CN103912158A - Rotary lock for trains - Google Patents
Rotary lock for trains Download PDFInfo
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- CN103912158A CN103912158A CN201410098250.3A CN201410098250A CN103912158A CN 103912158 A CN103912158 A CN 103912158A CN 201410098250 A CN201410098250 A CN 201410098250A CN 103912158 A CN103912158 A CN 103912158A
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- locking cylinder
- rotary locking
- dead bolt
- lock
- outer end
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Abstract
The invention provides a rotary lock for trains, comprising a lock shell, a rotary cylinder, a bolt and a pin. The lock shell is in a tubular structure with two end openings; an inner stop part is arranged in the lock shell. The rotary cylinder is in a tubular structure with an inner end opening; the sidewall of the rotary cylinder is provided with two spiral guide grooves correspondingly; the outer end of the rotary cylinder is provided with a drive part; the outer end of the bolt is provided with a lock hole penetrating the sidewall of the bolt; the bolt is provided with a thrust part; the outer end of the bolt penetrates the inner end opening of the rotary cylinder and is locked to the spiral guide grooves through the pin; the bolt is sleeved with an elastic member; one end of the elastic member is abutted to the inner stop part; a limit structure is arranged between the outer end sidewall of the rotary cylinder and the inner wall of the lock shell. Compared with the prior art, the rotary lock for trains is simple in structure, is safe and reliable, has a self-locking function and is small in size. The invention further provides a fixture for assembly of the rotary lock for trains.
Description
Technical field
The invention belongs to tapered end technical field, be specifically related to a kind of train rotation lock.
Background technology
Existing rotary tapered end, generally comprises lock housing, lock core and dead bolt, in its lock core, is provided with guiding device, and in the time of rotational lock core, dead bolt can be retracted in lock housing, realizes release, and when release, as long as unclamp lock core, just can realize self-locking.This rotation lock is of many uses, generally be used on train, high ferro, motor-car, subway, or be applied on some access doors or window at station, as lockset interim or that emergency opening is used, as long as rotational lock core just can be realized the locking and unlocking, therefore its key is also generally spanner.
Owing to being used for public arena, so must guarantee stability, the safety and reliability of its structure, but, common rotation lock in the market, its lock core and dead bolt are generally fixed in lock housing by nut, cause part many, complex structure, and on being applied in such as locomotive, high ferro or subway time, owing to often being vibrated, nut easily pitches in the course of time, causes rotation lock to lose efficacy, the part being even scattered can impact or damage machine or people, cannot guarantee the safety and reliability of rotation lock; And in the time being applied on some access doors of public place or window, it is as lockset interim or that emergency opening is used, also essential its safety and reliability that guarantees.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of simple in structure, train rotation lock that safety and reliability is high is provided.
In order to achieve the above object, the present invention by the following technical solutions: a kind of train rotation lock, comprises lock housing, rotary locking cylinder, dead bolt and lock pin; Described lock housing is the tubular structure of both ends open, is provided with interior stop in described lock housing; Described rotary locking cylinder is the tubular structure of interior end opening, on its sidewall, correspondence is provided with two helical guide grooves, the two ends of described helical guide groove are symmetrical arranged about rotary locking cylinder central axis, the relative side of described two helical guide grooves is helicoid in the same way, and the outer end of described rotary locking cylinder is provided with drive division; Described dead bolt outer end is provided with the lockhole that runs through its sidewall, and dead bolt is provided with push stopping part; Described dead bolt outer end penetrates the interior end opening of rotary locking cylinder, and is fastened on helical guide groove by lock pin; On described dead bolt, being arranged with elastic component, conflicts on the inner face of rotary locking cylinder in the outer end of described elastic component, its inner conflict in described push stopping part; Conflicting in described interior stop in the inner of described rotary locking cylinder, between the outer end of rotary locking cylinder sidewall and lock housing inside wall, is provided with position limiting structure; Described position limiting structure comprises that the first stopper slot encircling on the outer end sidewall that is located at rotary locking cylinder, corresponding ring are located at the second stopper slot on lock housing inside wall and the jump ring between the first stopper slot and the second stopper slot is installed; When along described helicoid rotating drive portion, dead bolt the inner is retracted in lock housing; In the time unclamping drive division, under the effect of elastic component, dead bolt the inner is stretched out lock housing the inner and is realized self-locking.
Compared with prior art, the present invention has following beneficial effect: 1, rotary locking cylinder is realized axial location by position limiting structure and lock housing, has reduced connector, has simplified syndeton, and can prevent that rotary locking cylinder from pitching or disassembling, and improved safety and reliability; 2, by double helix guide barrel construction and elastic component, can realize the self-locking of rotation lock.3, the structure of having simplified each part, overall structure is compacter, and volume is less.
Preferably, on the sidewall of the outer end of described rotary locking cylinder, be provided with seal groove, described seal groove is positioned at the outside of the first stopper slot, in described seal groove, sealing ring is installed, can prevent that like this liquid from entering lock housing inside, not affect the slip of lock pin on helical guide groove, keep the smoothness of unblanking.
Preferably, the length at described helical guide groove two ends is greater than dead bolt the inner stretches out the maximum length of lock housing the inner, and to guarantee under released state, the inner of dead bolt can be retracted in lock housing completely.Preferably, described drive division is D shape projection or the regular polygon projection of being located at middle part, rotary locking cylinder outer face; Or described drive division is D connected in star or the regular polygon groove of being located at middle part, rotary locking cylinder outer face.
Preferably, the drive division outer face of described rotary locking cylinder is concordant with the outer face of lock housing; Or the drive division outer face of described rotary locking cylinder is lower than the outer face of lock housing.After such design can guarantee rotation lock installation, its outer end is smooth, human body or other object is not caused to obstruction.
Preferably, the inner shape of the shape of the interior end opening of described lock housing and dead bolt is suitable, can remain on unidirectional moving back and forth like this in dead bolt moving process, does not produce and rocks.
Preferably, described dead bolt inner face is arcwall face or inclined-plane, inserts in lockhole or lock-bit so that dead bolt is inner.
Preferably, inner side, described rotary locking cylinder outer end is provided with the holding tank suitable with dead bolt outer end.
The present invention also provides an assembling jig for described train rotation lock, it comprises the first fixture and the second fixture that can folding, on the fitting face of described the first fixture and the second fixture, be provided with assembling passage, in the time of the first fixture and the second fixture closure, the shape of described assembling passage and rotary locking cylinder outer end are suitable; Also comprise a push rod, described push rod for heading into rotary locking cylinder in lock housing in assembling passage.The course of work of this assembling jig is as follows: 1, the dead bolt that assembles elastic component is arranged on rotary locking cylinder by lock pin; 2, jump ring, sealing ring are arranged on rotary locking cylinder; 3, open the first fixture and the second fixture, rotary locking cylinder is placed in assembling passage; 4, closed the first fixture and the second fixture, is urged to jump ring and sealing ring in corresponding the first stopper slot and seal groove; 5, rotary locking cylinder is pushed in lock housing, arrive the interior stop of lock housing to the inner of rotary locking cylinder, complete assembling.
Accompanying drawing explanation
Fig. 1 is the stereogram of rotation lock;
Fig. 2 is the sectional view of rotation lock lock-out state;
Fig. 3 is the sectional view of rotation lock released state;
Fig. 4 is the sectional view of lock housing;
Fig. 5 is the structure chart of rotary locking cylinder;
Fig. 6 is the structure chart of another angle of rotary locking cylinder;
Fig. 7 is the structure chart of dead bolt;
Sectional view when Fig. 8 is assembling jig assembling;
Fig. 9 is the sectional view of assembling jig assembling completion status.
The specific embodiment
" outer end " of the present invention refers to one end outside fixing body when rotation lock is installed, " the inner " of the present invention refers to one end inside fixing body when rotation lock is installed, rotation lock of the present invention is mainly used in train, on high ferro, train, motor-car and subway, and on the occasional passage door or emergency access door of public place.
Below in conjunction with accompanying drawing, technical scheme of the present invention is described:
Embodiment mono-:
Referring to Fig. 1 to Fig. 3, train rotation lock of the present invention, comprises lock housing 1, rotary locking cylinder 2, dead bolt 3 and lock pin 4; Ginseng Fig. 4, the tubular structure that described lock housing 1 is both ends open, is provided with interior stop 104 in described lock housing 1, and it is a plane structure; Referring to Fig. 5, the tubular structure that described rotary locking cylinder 2 is interior end opening, on its sidewall, correspondence is provided with two helical guide grooves 203, the two ends (2031,2034) of described helical guide groove 203 are symmetrical arranged about rotary locking cylinder 2 central axiss, the relative side of described two spiral 203 guide grooves is helicoid in the same way, and this helicoid is by the first helicoid 2032 and second helicoid 2033 is smooth connects and composes.The outer end of described rotary locking cylinder 2 is provided with drive division 202; This drive division 202 is the square boss of being located at the middle part, outer face of rotary locking cylinder 2, in addition can also adopt D shape projection; Or drive division can be D connected in star or the regular polygon groove of being located at the middle part, outer face of rotary locking cylinder 2.
Referring to Fig. 2, Fig. 3 and Fig. 7, described dead bolt 3 outer ends are provided with the lockhole 303 that runs through its sidewall, and dead bolt 3 is provided with push stopping part 304; Described dead bolt 3 outer ends 301 penetrate the inner 204 openings of rotary locking cylinder 2, and are fastened on helical guide groove 203 by lock pin 4; On described dead bolt 3, being arranged with spring 5, conflicts on the inner face 204 of rotary locking cylinder 2 in the outer end of described spring 5, its inner conflict in described push stopping part 304; Conflicting in described interior stop 104 in the inner 204 of described rotary locking cylinder 2, between the outer end of rotary locking cylinder 2 sidewall and lock housing 1 inside wall, is provided with position limiting structure; Described position limiting structure comprises that the first stopper slot 206 encircling on the outer end sidewall that is located at rotary locking cylinder 2, corresponding ring are located at the second stopper slot 106 on lock housing 1 inside wall and the jump ring 6 between the first stopper slot 206 and the second stopper slot 106 is installed; Limit the axial movement of rotary locking cylinder 2 by jump ring 6 like this, rotatablely moved only.When release, during along described helicoid rotating drive portion 202, lock pin 4 rotates and drives dead bolt 3 to move outward along helicoid, and spring 5 is compressed simultaneously, and in the time that lock pin 4 arrives the outer end 2034 of helical guide groove 203, dead bolt 3 the inners 302 are retracted in lock housing 1 completely; When locking, unclamp drive division 202, under the effect of spring 5, lock pin 4 is pushing helicoid inwardly, rotary locking cylinder 2 rotates in the opposite direction, and simultaneously lock pin 4 moves inward until arrive the inner 2031 of helical guide groove 203, and dead bolt 3 the inners 302 are stretched out lock housing 1 the inner 102 and realized self-locking.The opposite side of helical guide groove 203 is blocking surface 205, and it is vertical structure, and in the time that lock pin 4 arrives the inner 2031 of helical guide groove 203 or outer end 2034, blocking surface 205 stops rotatablely moving of lock pin 4.The first helicoid 2032 and the second helicoid 2033 can improve lock pin 4 smoothness when movable, and when locking, lock pin 4 arrives the inner 2031 of helical guide groove 203 outside can be swimmingly under the effect of elastic component successively along the second helicoid 2033 and the first helicoid 2032.
Referring to Fig. 1, Fig. 2 and Fig. 5, on the sidewall of the outer end of described rotary locking cylinder 2, be provided with seal groove 207, described seal groove 207 is positioned at the outside of the first stopper slot 206, in described seal groove 207, sealing ring 7 is installed, can prevent that like this liquid from entering lock housing 1 inside, do not affect the slip of lock pin 4 on helical guide groove, keep the smoothness of unblanking.
Referring to Fig. 3, described rotary locking cylinder 2 inner sides, outer end are provided with the holding tank 201 suitable with dead bolt 3 outer ends 301, and holding tank 201 is the groove structure outwards expanding.Like this, in the time that lock pin 4 moves to the outer end of helical guide groove 203, lock pin 4 can paste and touch to rotary locking cylinder 2 outer end medial surfaces.
Referring to Fig. 1 and Fig. 7, described helical guide groove 203 inner 2031 and the length of outer end 2034 are greater than dead bolt the inner 302 stretches out the maximum length of lock housing 1 the inner 102, and to guarantee under released state, the inner 302 of dead bolt 1 can be retracted in lock housing 1 completely.
Referring to Fig. 2 and Fig. 3, drive division 202 outer faces of described rotary locking cylinder 2 are concordant with the outer face 101 of lock housing 1; Or drive division 202 outer faces of described rotary locking cylinder 2 are lower than the outer face 101 of lock housing 1.After such design can guarantee rotation lock installation, its outer end is smooth, human body or other object is not caused to obstruction.
Referring to Fig. 2, Fig. 4 and Fig. 7, inner 302 shapes of the shape of the interior end opening 1021 of described lock housing 1 and dead bolt are suitable, are rectangle, can remain on unidirectional moving back and forth like this in dead bolt 3 moving process, do not produce and rock.
Referring to Fig. 7, described dead bolt 3 inner faces 3021 are arcwall face or inclined-plane, so that dead bolt inner 302 inserts in lockhole or lock-bit.
Referring to Fig. 1, described lock housing 1 outer end 101 is provided with installing card face, and lock housing 1 outside is provided with screw thread, and is provided with some plane of orientations 103 on lock housing 1 outside, and when installation, lock housing 1 is fixed on fixing body by nut 8.
Compared with prior art, the present invention has following beneficial effect: 1, rotary locking cylinder 2 is realized axial location by position limiting structure and lock housing 1, has reduced connector, has simplified syndeton, and can prevent that rotary locking cylinder 2 from pitching or disassembling, and improved safety and reliability; 2, by double helix guide barrel construction and elastic component, can realize the self-locking of rotation lock.3, the structure of having simplified each part, overall structure is compacter, and volume is less.
Embodiment bis-:
Referring to Fig. 8 and Fig. 9, an assembling jig for described train use rotation lock provided by the invention, it comprises the first fixture 8A and the second fixture 8B that can folding, on the fitting face of described the first fixture 8A and the second fixture 8B, be provided with assembling passage 9, in the time of the first fixture 8A and the second fixture 8B closure, the shape of described assembling passage 9 and rotary locking cylinder 2 outer ends are suitable; Also comprise a push rod 10, described push rod 10 for heading into rotary locking cylinder 2 in lock housing 1 in assembling passage 9.
Described the first fixture 8A and the second fixture 8B and folding are by bolt, cylinder or Driven by Hydraulic Cylinder.
The course of work of this assembling jig is as follows: a. is arranged on by lock pin 4 dead bolt 3 that assembles elastic component 5 on rotary locking cylinder 2; B. jump ring 6, sealing ring 7 are arranged on respectively on the first stopper slot 206 and seal groove 207; C. open the first fixture 8A and the second fixture 8B, rotary locking cylinder 2 is placed in assembling passage; D. closed the first fixture 8A and the second fixture 8B, is urged to jump ring 6 and sealing ring 7 in corresponding the first stopper slot 206 and seal groove 207; E. rotary locking cylinder 2 is pushed in lock housing 1, arrive the interior stop 104 of lock housing 1 to the inner 204 of rotary locking cylinder 2, at this moment jump ring 6 outsides also enter in the second stopper slot 106, complete assembling.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change and revise above-mentioned embodiment.Therefore, the present invention is not limited to the specific embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition,, although used some specific terms in this manual, these terms and the noun of locality just for convenience of description, do not form any restriction to the present invention.
Claims (10)
1. a train rotation lock, is characterized in that: comprise lock housing, rotary locking cylinder, dead bolt and lock pin;
Described lock housing is the tubular structure of both ends open, is provided with interior stop in described lock housing;
Described rotary locking cylinder is the tubular structure of interior end opening, its sidewall is provided with two helical guide grooves, the two ends of described helical guide groove are symmetrical arranged about rotary locking cylinder central axis, and the relative side of described two helical guide grooves is helicoid in the same way, and the outer end of described rotary locking cylinder is provided with drive division;
Described dead bolt outer end is provided with the lockhole that runs through its sidewall, and dead bolt is provided with push stopping part;
Described dead bolt outer end penetrates the interior end opening of rotary locking cylinder, and is fastened on helical guide groove by lock pin; On described dead bolt, being arranged with elastic component, conflicts on the inner face of rotary locking cylinder in the outer end of described elastic component, its inner conflict in described push stopping part;
Conflicting in described interior stop in the inner of described rotary locking cylinder, on the outer end of rotary locking cylinder sidewall and lock housing inside wall, is provided with position limiting structure;
Described position limiting structure comprises that the first stopper slot encircling on the outer end sidewall that is located at rotary locking cylinder, corresponding ring are located at the second stopper slot on lock housing inside wall and the jump ring between the first stopper slot and the second stopper slot is installed;
When along described helicoid rotating drive portion, dead bolt the inner is retracted in lock housing; In the time unclamping drive division, under the effect of elastic component, dead bolt the inner is stretched out lock housing the inner and is realized self-locking.
2. train rotation lock according to claim 1, is characterized in that: on the sidewall of the outer end of described rotary locking cylinder, be provided with seal groove, described seal groove is positioned at the outside of the first stopper slot, in described seal groove, sealing ring is installed.
3. train rotation lock according to claim 1 and 2, is characterized in that: the length at described helical guide groove two ends is greater than dead bolt the inner stretches out the maximum length of lock housing the inner.
4. train rotation lock according to claim 1, is characterized in that: described drive division is D shape projection or the regular polygon projection of being located at middle part, rotary locking cylinder outer face;
Or described drive division is D connected in star or the regular polygon groove of being located at middle part, rotary locking cylinder outer face.
5. train rotation lock according to claim 4, is characterized in that: the drive division outer face of described rotary locking cylinder is concordant with the outer face of lock housing;
Or the drive division outer face of described rotary locking cylinder is lower than the outer face of lock housing.
6. train rotation lock according to claim 1, is characterized in that: the inner shape of the shape of the interior end opening of described lock housing and dead bolt is suitable.
7. train rotation lock according to claim 1, is characterized in that: described dead bolt inner face is arcwall face or inclined-plane.
8. train rotation lock according to claim 1, is characterized in that: inner side, described rotary locking cylinder outer end is provided with the holding tank suitable with dead bolt outer end.
9. use the assembling jig of rotation lock for train described in claim 1 for one kind, it is characterized in that: comprise can folding the first fixture and the second fixture, on the fitting face of described the first fixture and the second fixture, be provided with assembling passage, in the time of the first fixture and the second fixture closure, the shape of described assembling passage and rotary locking cylinder outer end are suitable.
10. assembling jig according to claim 9, is characterized in that: also comprise a push rod, described push rod for heading into rotary locking cylinder in lock housing in assembling passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410098250.3A CN103912158B (en) | 2014-03-14 | 2014-03-14 | A kind of train rotation lock and assembling jig thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410098250.3A CN103912158B (en) | 2014-03-14 | 2014-03-14 | A kind of train rotation lock and assembling jig thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103912158A true CN103912158A (en) | 2014-07-09 |
| CN103912158B CN103912158B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410098250.3A Active CN103912158B (en) | 2014-03-14 | 2014-03-14 | A kind of train rotation lock and assembling jig thereof |
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| Country | Link |
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| CN (1) | CN103912158B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464481A (en) * | 2015-11-11 | 2016-04-06 | 广东亚太天能科技股份有限公司 | Operation drive assembly of electronic door lock easy to disassemble and assemble |
| CN109667438A (en) * | 2019-01-17 | 2019-04-23 | 惠州雅泰钢结构工程有限公司 | A kind of adjustable supports structure based on box steel |
| CN110761626A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Unlocking device and platform door |
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| DE4110556A1 (en) * | 1991-03-30 | 1992-10-08 | Fliether Karl Gmbh & Co | Latch and/or cylinder actuated mortice lock - has main lock bolt actuated by gear train from lock cylinder |
| JP2003239585A (en) * | 2002-02-12 | 2003-08-27 | Miwa Lock Co Ltd | Driving force transmission mechanism for motor-driven electric lock |
| CN201581715U (en) * | 2009-11-09 | 2010-09-15 | 宁志高 | Double safe compaction lock |
| WO2012050429A1 (en) * | 2010-10-13 | 2012-04-19 | Tan Chabau Kow Tan Poi Heong | Locking device |
| CN102808552A (en) * | 2011-06-01 | 2012-12-05 | 青岛四方庞巴迪铁路运输设备有限公司 | Apron board lock of vehicle body underframe equipment cabin |
| KR20140016751A (en) * | 2012-07-31 | 2014-02-10 | 주식회사 넥스트 | Mult-type llatch bolt |
| CN203795966U (en) * | 2014-03-14 | 2014-08-27 | 佛山市顺德区格蓝特不锈钢设备制品有限公司 | Rotary lock for trains and clamp for assembling rotary lock for trains |
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2014
- 2014-03-14 CN CN201410098250.3A patent/CN103912158B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4110556A1 (en) * | 1991-03-30 | 1992-10-08 | Fliether Karl Gmbh & Co | Latch and/or cylinder actuated mortice lock - has main lock bolt actuated by gear train from lock cylinder |
| JP2003239585A (en) * | 2002-02-12 | 2003-08-27 | Miwa Lock Co Ltd | Driving force transmission mechanism for motor-driven electric lock |
| CN201581715U (en) * | 2009-11-09 | 2010-09-15 | 宁志高 | Double safe compaction lock |
| WO2012050429A1 (en) * | 2010-10-13 | 2012-04-19 | Tan Chabau Kow Tan Poi Heong | Locking device |
| CN102808552A (en) * | 2011-06-01 | 2012-12-05 | 青岛四方庞巴迪铁路运输设备有限公司 | Apron board lock of vehicle body underframe equipment cabin |
| KR20140016751A (en) * | 2012-07-31 | 2014-02-10 | 주식회사 넥스트 | Mult-type llatch bolt |
| CN203795966U (en) * | 2014-03-14 | 2014-08-27 | 佛山市顺德区格蓝特不锈钢设备制品有限公司 | Rotary lock for trains and clamp for assembling rotary lock for trains |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464481A (en) * | 2015-11-11 | 2016-04-06 | 广东亚太天能科技股份有限公司 | Operation drive assembly of electronic door lock easy to disassemble and assemble |
| CN105464481B (en) * | 2015-11-11 | 2017-10-27 | 广东亚太天能科技股份有限公司 | Electronic lock easy to assemble operates drive component |
| CN110761626A (en) * | 2018-07-27 | 2020-02-07 | 比亚迪股份有限公司 | Unlocking device and platform door |
| CN110761626B (en) * | 2018-07-27 | 2021-06-18 | 比亚迪股份有限公司 | Unlocking device and platform door |
| CN109667438A (en) * | 2019-01-17 | 2019-04-23 | 惠州雅泰钢结构工程有限公司 | A kind of adjustable supports structure based on box steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103912158B (en) | 2016-04-20 |
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Address after: Beijiao Town, Shunde District 528311 Guangdong city of Foshan province Chen Dajiao Industrial Park Venture Road No. 8 Applicant after: GELANTE STAINLESS STEEL EQUIPMENTS PRODUCTS CO., LTD. Address before: Beijiao Town, Shunde District 528311 Guangdong city of Foshan province Chen Dajiao Industrial Park Venture Road No. 8 Applicant before: GELANTE STAINLESS STEEL EQUIPMENTS PRODUCTS CO., LTD. |
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Free format text: CORRECT: APPLICANT; FROM: FOSHAN SHUNDE GELANTE STAINLESS STEEL EQUIPMENT PRODUCTS CO., LTD. TO: GUANGDONG GELANTE PRECISION TECHNOLOGY CO., LTD. |
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Address after: Beijiao Town, Shunde District 528311 Guangdong city of Foshan province Chen Dajiao Industrial Park Venture Road No. 8 Patentee after: GUANGDONG GLAND PRECISION TECHNOLOGY Co.,Ltd. Address before: Beijiao Town, Shunde District 528311 Guangdong city of Foshan province Chen Dajiao Industrial Park Venture Road No. 8 Patentee before: GELANTE STAINLESS STEEL EQUIPMENTS PRODUCTS Co.,Ltd. |