CN111749605A - Isolation door - Google Patents

Isolation door Download PDF

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Publication number
CN111749605A
CN111749605A CN202010593263.3A CN202010593263A CN111749605A CN 111749605 A CN111749605 A CN 111749605A CN 202010593263 A CN202010593263 A CN 202010593263A CN 111749605 A CN111749605 A CN 111749605A
Authority
CN
China
Prior art keywords
door
gear
door leaf
hydraulic cylinder
support
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.)
Granted
Application number
CN202010593263.3A
Other languages
Chinese (zh)
Other versions
CN111749605B (en
Inventor
陈子龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongying Jinfeng Zhengyang Technology Development Co ltd
Original Assignee
Individual
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Filing date
Publication date
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Priority to CN202010593263.3A priority Critical patent/CN111749605B/en
Publication of CN111749605A publication Critical patent/CN111749605A/en
Application granted granted Critical
Publication of CN111749605B publication Critical patent/CN111749605B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B11/00—Means for allowing passage through fences, barriers or the like, e.g. stiles
    • E06B11/02—Gates; Doors
    • E06B11/022—Gates; Doors characterised by the manner of movement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/652—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by screw-and-nut mechanisms
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B11/00—Means for allowing passage through fences, barriers or the like, e.g. stiles
    • E06B11/02—Gates; Doors
    • E06B11/04—Gates; Doors characterised by the kind of suspension
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/71—Toothed gearing
    • E05Y2201/712—Toothed gearing with incomplete toothing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/40—Application of doors, windows, wings or fittings thereof for gates

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The invention discloses an isolation door which mainly comprises a door frame, door leaves, a translation sliding rail, a rotation sliding rail, a sliding seat, a screw rod, a motor, a pair of incomplete gears, a hydraulic cylinder, a cam and a partition plate, wherein the four door leaves are arranged side by side at 180 degrees, a hydraulic cylinder support is fixedly arranged on an upper door frame, a piston rod of the hydraulic cylinder fixedly arranged on the hydraulic cylinder support is fixedly connected with a door leaf pull rod, the door leaves can be driven to open and close when the piston rod of the hydraulic cylinder moves in a telescopic mode, four channels can be formed after the four door leaves are opened, and. The automatic door opening and closing device has the advantages that the automatic door opening and closing device is convenient to install, simple to operate and capable of being used in various occasions.

Description

Isolation door
Technical Field
The invention relates to the door and window manufacturing industry, in particular to an isolating door.
Background
It is important to apply isolation doors in places with dense population, such as schools, squares and some conference places. In view of the prior art, the isolating door specially used for personnel to pass through is not available, and therefore the invention provides the isolating door.
Disclosure of Invention
The invention provides the isolating door aiming at the technical problems, can effectively solve the problems, and has the advantages of convenience in installation, simplicity in operation, flexibility in size and suitability for various occasions.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides an isolation door, includes door upper ledge, door side frame, the door leaf connecting rod, the door leaf push rod, the revolving door pneumatic cylinder, the hydraulic cylinder seat, go up the baffle, rotatory support, support the pneumatic cylinder, rotatory baffle, the translation baffle, the slide, the bottom plate, the baffle guide pillar, the lead screw fixing base, the lead screw shaft coupling, lead screw motor, the motor holds in the palm, gear motor, the gear coupling, the bull gear axle, the gear wheel, spring fixed plate, the spring, the pinion shaft, the gear axle bearing, the baffle, the cam.
The door leaf push rod is fixedly connected with a piston rod of the revolving door hydraulic cylinder, one end of a door leaf connecting rod is connected with the door leaf push rod in a sliding mode, the other end of the door leaf connecting rod is connected with the door side frame in a sliding mode, and the door leaf is connected with the door leaf connecting rod in a rotating mode.
The rotary support is connected with the rotary guide plate in a sliding mode, the rotary guide plate is fixedly installed on one face of the translation guide plate, the lead screw fixing seat is fixedly installed on the other face of the translation guide plate, the lead screw is coaxially and rotatably installed on the lead screw fixing seat, and the output shaft of the lead screw motor is coaxially and fixedly installed on the lead screw through the lead screw coupling.
The spring fixing plate is fixedly installed on the bottom plate, the spring is fixedly installed on the spring fixing plate, the large gear is fixedly connected with the large gear shaft in a coaxial mode, the large gear shaft is fixedly connected with an output shaft of a gear motor through a gear coupling, the large gear is matched with the small gear in a gear fit mode, the small gear is fixedly connected with the small gear shaft in a coaxial mode, the small gear shaft is rotatably connected with a gear shaft support, the gear shaft support is fixedly installed on the bottom plate, the cam is fixedly connected with the small gear shaft in a coaxial mode, one end of the partition plate guide pillar is fixedly installed on.
Furthermore, the number of the door leaves is four, the door leaves are arranged at 180 degrees, and the number of the rotating supports is four, and the rotating supports are arranged at 180 degrees.
Furthermore, the supporting hydraulic cylinder is fixedly installed on the bottom plate, the motor support is fixedly installed on the bottom plate, the gear motor is fixedly installed on the gear coupler, the hydraulic cylinder seat is fixedly installed on the door upper frame, and the door upper frame is fixedly connected with the door side frame by 90 degrees.
Furthermore, the door leaf pillar is fixedly arranged on one surface of the connecting flat plate, and the rotating sliding column is fixedly arranged on the other surface of the connecting flat plate.
Further, the door leaf is fixedly mounted on the door leaf pillar.
Further, the gear wheel is incomplete drive gear, and its number of teeth is the same with the pinion gear number of teeth, and the gear ratio 5 with the pinion gear when the gear wheel is full: 1.
furthermore, the portable isolation door is provided with a timer device, and the timer device is connected with each motor and each hydraulic cylinder of the portable isolation door.
Furthermore, the number of the sliding seats is four, the interval between every two sliding seats is the same as the width of the door leaf, and a groove with the same diameter as that of the rotating sliding column is formed in one surface, close to the rotating support, of each sliding seat.
Compared with the prior art, the invention has the beneficial effects that: (1) the invention has simple structure and is convenient to install and move; (2) the door leaf can be translated, so that the number and the size of the channels can be adjusted, and the effect of one door with multiple purposes is achieved; (3) the incomplete gear transmission is adopted to control the time interval of the action when the door leaf is closed, so that the door leaf is stable and safe and has long service life.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the door of the present invention with the upper frame removed.
Fig. 3 is a schematic structural view of the present invention with the door frame and the door leaf removed.
Fig. 4 is a schematic view of the structure of fig. 3 with two guide plates removed.
Fig. 5 is a schematic structural view of the present invention taken from a top view of the door frame and the door leaf.
Fig. 6 is a schematic structural view of the present invention with the door frame and the door leaf removed.
Fig. 7 is a schematic view of the structure for controlling the door leaf interval according to the present invention.
Fig. 8 is a schematic mechanism diagram of the rotary support of the present invention.
Reference numerals: 1-door upper frame; 2-door side frame; 3, a door leaf; 4-door leaf connecting rod; 5-door leaf push rod; 6-revolving door hydraulic cylinder; 7-a hydraulic cylinder base; 8-an upper guide plate; 9-rotating the support; 10-supporting a hydraulic cylinder; 11-a rotating guide plate; 12-a translation guide plate; 13-a slide; 14-a base plate; 15-spacer guide posts; 16-a lead screw; 17-lead screw fixing seat; 18-lead screw coupling; 19-a screw motor; 20-motor support; 21-a gear motor; 22-gear coupling; 23-a large gear shaft; 24-a bull gear; 25-spring fixing plate; 26-a spring; 27-pinion gear; 28-pinion shaft; 29-gear shaft support; 30-a separator; 31-a cam; 901-rotating the sliding column; 902-connecting the plates; 903-door leaf strut.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): fig. 1 is a schematic overall structure of an embodiment of the present invention, a bottom plate 14 provides a reference for installation of various components, a pit with the same length and width as the bottom plate 14 needs to be dug on the ground during installation, the bottom plate 14 is fixed at the bottom of the pit, a translation guide plate 12 and an upper guide plate 8 are both fixed on the inner wall of the pit, the heights of the translation guide plate 12 and the bottom plate 14 are as shown in fig. 1 but not limited to fig. 1, in particular, a support hydraulic cylinder 10 is fixed on the bottom plate 14, and the piston rod of the support hydraulic cylinder is fully extended to jack up a rotary support 9.
The hydraulic cylinder seat 7 is fixedly installed on the door upper frame 1, the cylinder body of the revolving door hydraulic cylinder 6 is fixedly installed on the hydraulic cylinder seat 7, the door leaf push rod 5 is fixedly connected with a piston rod of the revolving door hydraulic cylinder 6, one end of the door leaf connecting rod 4 is in sliding connection with the door leaf push rod 5, the other end of the door leaf connecting rod 4 is in sliding connection with the door side frame 2, the door leaf 3 is in rotating connection with the door leaf connecting rod 4, when the piston rod of the revolving door hydraulic cylinder 6 extends out, the door leaf connecting rod 4 can be pushed to move forwards, the door leaf can rotate 90 degrees through the action of the door leaf connecting rod 4, when the door leaf rotates, two ends of the door leaf connecting rod can slide in long grooves on the door side plate 2 and the door leaf push rod 5, at the moment, the door leaf is opened to form 4.
The supporting hydraulic cylinder 10 is fixedly arranged on the bottom plate 14, the door leaf pillar 903 is fixedly arranged on one surface of the connecting flat plate 902, the rotating sliding column 901 is fixedly arranged on the other surface of the connecting flat plate 902, the door leaf 3 is fixedly arranged on the door leaf pillar 903, the rotating support 9 is in sliding connection with the rotating guide plate 11, the rotating guide plate 11 is fixedly arranged on one surface of the translating guide plate 12, the screw rod fixing seat 17 is fixedly arranged on the other surface of the translating guide plate 12, the screw rod 16 is coaxially and rotatably arranged on the screw rod fixing seat 17, the output shaft of the screw rod motor 19 is coaxially and fixedly arranged on the screw rod 16 through the screw rod coupling 18, so that the rotating support 9 is driven to rotate to a position which forms an angle of 90 degrees with the figure when the door leaf rotates, if the circuit is not opened, the piston rod of the supporting hydraulic cylinder is retracted 3 seconds after the action, after falling, the timer controls the screw motor 19 to start working, and the sliding seat 13 sleeved on the screw motor slides to one side, so that the adjustment of the number and the width of the channels is realized.
Next, how the door leaf closes after being retracted to one side is described: a spring fixing plate 25 is fixedly arranged on the bottom plate 14, a spring 26 is fixedly arranged on the spring fixing plate 25, a bull gear 24 is coaxially and fixedly connected with a bull gear shaft 23, the bull gear shaft 23 is fixedly connected with an output shaft of a gear motor 21 through a gear coupling 22, the bull gear 24 is in gear fit with a pinion gear 27, the bull gear 24 is an incomplete transmission gear, the number of teeth of the incomplete transmission gear is the same as that of the pinion gear 27, the pinion gear 27 is coaxially and fixedly connected with a pinion gear shaft 28, the pinion gear shaft 28 is rotatably connected with a gear shaft support 29, the gear shaft support 29 is fixedly arranged on the bottom plate 14, a cam 31 is coaxially and fixedly connected with the pinion gear shaft 28, one end of a partition guide post 15 is fixedly arranged on the bottom plate 14, a partition plate 30 is in sliding connection with the partition guide post 15, when the door leaf, when the door leaf 3 is reset, the gear motor 21 and the lead screw motor 19 are opened, wherein the direction of the lead screw motor 19 is opposite to the direction of the lead screw motor when the door leaf 3 is retracted, so that the sliding seat 13 can slide forwards on the lead screw 16 under the pushing action of the counterforce of the spring 26, and meanwhile, the motor can drive the large gear 24 to rotate together when being started, because the large gear 24 lacks teeth, the small gear can periodically rotate for one circle, so that the cam 31 coaxial with the small gear can be driven to periodically rotate, and the partition plate 30 can do up-and-down reciprocating motion once when the cam 31 rotates for one circle, namely, one sliding seat 13 can slide forwards, and the gear ratio of the large gear 24 to the small gear 27 when the large: the purpose of 1 is to control the distance between every two adjacent door leaves 3 to be the same as that before the door leaves are opened, when the door leaves 3 return to the corresponding positions, a timer controls a screw motor to be closed, a piston rod of a supporting hydraulic cylinder 10 is jacked up, a piston rod of a turning door hydraulic cylinder 6 retracts after jacking up, the door leaves 3 rotate in the opposite direction for 90 degrees, and the door leaves 3 are closed, so that the opening and closing action of the portable safety door disclosed by the invention is completed.

Claims (8)

1. The utility model provides an isolation door, including door upper ledge (1), door side frame (2), door leaf (3), door leaf connecting rod (4), door leaf push rod (5), revolving door pneumatic cylinder (6), hydraulic cylinder seat (7), upper guide (8), rotatory support (9), support pneumatic cylinder (10), rotatory baffle (11), translation baffle (12), slide (13), bottom plate (14), baffle guide pillar (15), lead screw (16), lead screw fixing base (17), lead screw shaft coupling (18), lead screw motor (19), motor support (20), gear motor (21), gear coupling (22), gear shaft (23), gear wheel (24), spring attachment plate (25), spring (26), pinion (27), pinion shaft (28), gear shaft support (29), baffle (30), cam 31, its characterized in that:
the door leaf push rod (5) is fixedly connected with a piston rod of the revolving door hydraulic cylinder (6), one end of a door leaf connecting rod (4) is connected with the door leaf push rod (5) in a sliding manner, the other end of the door leaf connecting rod (4) is connected with the door side frame (2) in a sliding manner, and the door leaf (3) is connected with the door leaf connecting rod (4) in a rotating manner;
the rotary support 9 is connected with a rotary guide plate (11) in a sliding manner, the rotary guide plate (11) is fixedly arranged on one surface of a translation guide plate (12), a screw rod fixing seat (17) is fixedly arranged on the other surface of the translation guide plate (12), a screw rod (16) is coaxially and rotatably arranged on the screw rod fixing seat (17), and an output shaft of a screw rod motor (19) is coaxially and fixedly arranged on the screw rod (16) through a screw rod coupling (18);
the spring fixing plate (25) is fixedly installed on the bottom plate (14), the spring (26) is fixedly installed on the spring fixing plate (25), the large gear (24) is coaxially and fixedly connected with the large gear shaft (23), the large gear shaft (23) is fixedly connected with an output shaft of the gear motor (21) through the gear coupling (22), the large gear (24) and the small gear (27) form gear matching, the small gear (27) is coaxially and fixedly connected with the small gear shaft (28), the small gear shaft (28) is rotatably connected with the gear shaft support (29), the gear shaft support (29) is fixedly installed on the bottom plate (14), the cam (31) is coaxially and fixedly connected with the small gear shaft (28), one end of the partition plate guide post (15) is fixedly installed on the bottom plate (14), and the partition plate (30) is in sliding connection with the partition plate guide post (15).
2. An insulated door as claimed in claim 1, wherein: the number of the door leaves (3) is four, the door leaves are arranged at 180 degrees, and the number of the rotary supports (9) is four, and the rotary supports are arranged at 180 degrees.
3. An insulated door as claimed in claim 1, wherein: the support hydraulic cylinder (10) is fixedly installed on the bottom plate (14), the motor support (20) is fixedly installed on the bottom plate (14), the gear motor (21) is fixedly installed on the gear coupler (22), the hydraulic cylinder seat (7) is fixedly installed on the door upper frame (1), and the door upper frame (1) is fixedly connected with the door side frame (2) in an angle of 90 degrees.
4. An insulated door as claimed in claim 1, wherein: the door leaf strut (903) is fixedly arranged on one surface of the connecting flat plate (902), and the rotating sliding column (901) is fixedly arranged on the other surface of the connecting flat plate (902).
5. An isolation door as claimed in claim 4, wherein: the door leaf (3) is fixedly arranged on the door leaf strut (903).
6. An insulated door as claimed in claim 1, wherein: the bull gear (24) is incomplete drive gear, and its number of teeth is the same with pinion (27) number of teeth, and the gear ratio with pinion (27) when bull gear (24) is full is 5: 1.
7. an insulated door as claimed in claim 1, wherein: the portable isolation door is provided with a timer device, and the timer device is connected with each motor and each hydraulic cylinder of the portable isolation door.
8. An insulated door as claimed in claim 1, wherein: the number of the sliding seats (13) is four, the interval between every two sliding seats is the same as the width of the door leaf (3), and one surface of each sliding seat (13) close to the rotating support 9 is provided with a groove with the same diameter as the rotating sliding column (901).
CN202010593263.3A 2020-06-26 2020-06-26 Isolation door Active CN111749605B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010593263.3A CN111749605B (en) 2020-06-26 2020-06-26 Isolation door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010593263.3A CN111749605B (en) 2020-06-26 2020-06-26 Isolation door

Publications (2)

Publication Number Publication Date
CN111749605A true CN111749605A (en) 2020-10-09
CN111749605B CN111749605B (en) 2022-04-15

Family

ID=72677265

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010593263.3A Active CN111749605B (en) 2020-06-26 2020-06-26 Isolation door

Country Status (1)

Country Link
CN (1) CN111749605B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB468223A (en) * 1935-12-31 1937-06-30 Express Lift Co Ltd Improvements in and relating to sliding doors, gates or the like
KR20040008739A (en) * 2002-07-19 2004-01-31 장찬의 Sliding and tilting window
CN102606033A (en) * 2012-03-15 2012-07-25 宁波欧德意自动门有限公司 Translation door with emergency evacuation function
CN203081221U (en) * 2012-12-04 2013-07-24 隋志刚 Novel louver folding door
CN204186238U (en) * 2014-09-10 2015-03-04 金国 A kind of overlapping door
CN104563766A (en) * 2014-12-15 2015-04-29 宁波凯必盛自动门技术有限公司 Movable shaft type automatic sliding door
CN105604451A (en) * 2016-03-11 2016-05-25 苏州大学 Intelligent movable multidirectional rotary window
CN206845076U (en) * 2017-06-19 2018-01-05 佛山市鸿益机电门业有限公司 Electric foldable road gate
CN209603767U (en) * 2018-10-23 2019-11-08 佛山市金庭门业有限公司 A kind of novel garden suspension folding door
CN110486088A (en) * 2019-08-24 2019-11-22 河南省金鑫防护设备有限公司 A kind of Subway Tunnel flood protective airtight partition door

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB468223A (en) * 1935-12-31 1937-06-30 Express Lift Co Ltd Improvements in and relating to sliding doors, gates or the like
KR20040008739A (en) * 2002-07-19 2004-01-31 장찬의 Sliding and tilting window
CN102606033A (en) * 2012-03-15 2012-07-25 宁波欧德意自动门有限公司 Translation door with emergency evacuation function
CN203081221U (en) * 2012-12-04 2013-07-24 隋志刚 Novel louver folding door
CN204186238U (en) * 2014-09-10 2015-03-04 金国 A kind of overlapping door
CN104563766A (en) * 2014-12-15 2015-04-29 宁波凯必盛自动门技术有限公司 Movable shaft type automatic sliding door
CN105604451A (en) * 2016-03-11 2016-05-25 苏州大学 Intelligent movable multidirectional rotary window
CN206845076U (en) * 2017-06-19 2018-01-05 佛山市鸿益机电门业有限公司 Electric foldable road gate
CN209603767U (en) * 2018-10-23 2019-11-08 佛山市金庭门业有限公司 A kind of novel garden suspension folding door
CN110486088A (en) * 2019-08-24 2019-11-22 河南省金鑫防护设备有限公司 A kind of Subway Tunnel flood protective airtight partition door

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Effective date of registration: 20220325

Address after: 257000 No. B18, phase II, science and Technology Innovation Park, south of Naner road and on both sides of Qilianshan Road, Dongying District, Dongying City, Shandong Province

Applicant after: DONGYING JINFENG ZHENGYANG TECHNOLOGY DEVELOPMENT CO.,LTD.

Address before: College of mechanical engineering, Jilin University, 2699 Qianjin Street, Changchun City, Jilin Province, 130012

Applicant before: Chen Zilong

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