CN109138764B - Rotary access control device - Google Patents
Rotary access control device Download PDFInfo
- Publication number
- CN109138764B CN109138764B CN201811275039.9A CN201811275039A CN109138764B CN 109138764 B CN109138764 B CN 109138764B CN 201811275039 A CN201811275039 A CN 201811275039A CN 109138764 B CN109138764 B CN 109138764B
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- China
- Prior art keywords
- rotating shaft
- limiting
- limiting column
- frames
- frame
- 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.)
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- 230000001681 protective effect Effects 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 239000005341 toughened glass Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/90—Revolving doors; Cages or housings therefor
-
- 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
- E05F15/608—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for revolving wings
-
- 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
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to the technical field of access control equipment, and discloses a rotary access control device which comprises a base, a rotating shaft, four blocking pieces and a driving assembly, wherein the blocking pieces comprise frames arranged on the rotating shaft, two frames which are symmetrical along the central axis of the rotating shaft are rotationally connected to the rotating shaft along the central axis of the rotating shaft, a linkage assembly is arranged between the two frames which are rotationally connected to the rotating shaft, and a fixing assembly for limiting/releasing the rotation of the frames is arranged between the two frames which are rotationally connected to the rotating shaft and the rotating shaft. The invention has the following advantages and effects: through rotating on making two of them corresponding frames and connecting in the pivot, and make two rotate and connect in pivot epaxial frame linkage mutually, when fixed subassembly unblock frame rotates this moment, can make two frames that rotate the connection rotate the back respectively be close to two fixed frames to make the space increase in the entrance guard's device, the convenience carries some great articles to pass through.
Description
Technical Field
The invention relates to the technical field of access control equipment, in particular to a rotary access control device.
Background
Access control devices are known in various embodiments and are used in conjunction with pedestrian traffic or vehicle traffic is selectively permitted or prohibited.
Currently, chinese patent publication No. CN101025068U, publication No. 2011, 4, 20, discloses an access control device having two stoppers and two shafts disposed opposite each other, separated from each other and driven by separate motors, one blocking element is fixed to each shaft and can be pivoted independently of the other blocking element by the transmission of the respective shaft.
However, when the article is carried and passes through the access control device, if the volume or the length of the article is relatively large, the space between two adjacent blocking pieces is easy to cause to be difficult for the article to pass through, and inconvenience is brought to life at the moment.
Disclosure of Invention
The invention aims to provide a rotary access control device which has the effect of adjusting the distance between blocking pieces.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a rotation type entrance guard's device, including being used for burying subaerial base, rotating the pivot of connecting on the base, four install in the pivot and be circumference array distribution stop, set up between base and pivot and be used for driving pivot pivoted drive assembly, stop including setting up in pivot epaxial frame, wherein two along the axis symmetry of pivot the frame is rotated along the axis of pivot and is connected in the pivot, two rotation are connected in the pivot be provided with the linkage subassembly between the frame, two rotation are connected in the pivot be provided with between frame and the pivot and be used for restriction/release frame pivoted fixed subassembly.
The invention is further provided with: the diameter at both ends is less than the diameter at pivot middle part about the pivot, the linkage subassembly is including setting up the internal gear circle at both ends about the pivot, rotate connect the first gear that both ends and axis of rotation and pivot coincide about the pivot, overlap respectively establish the linkage dish at both ends about the pivot, central symmetry set up at the linkage dish both ends and mesh respectively the second gear between internal gear circle and the first gear, the both ends symmetry of linkage dish is provided with the linkage arm, two rotate connect on the pivot the upper and lower both ends of frame are connected respectively on the both ends of upper and lower two linkage arms.
The invention is further provided with: the linkage disc at the lower end of the rotating shaft is provided with a limiting hole, the fixing component is arranged on the mounting frame at the lower end of the rotating shaft, a first limiting column which is arranged on the mounting frame in a telescopic manner along the vertical direction and is used for being embedded in the limiting hole, a first elastic piece which is arranged between the first limiting column and the mounting frame and is used for driving the first limiting column to be separated from the limiting hole, a second limiting column which is embedded at the bottom of the frame and is arranged in a telescopic manner along the radial direction of the rotating shaft, a second elastic piece which is arranged between the second limiting column and the frame and is used for driving the second limiting column to move towards the direction close to the central shaft, and a driving piece which is arranged between the second limiting column and the frame and is used for overcoming the elasticity of the second elastic piece; the upper end face of the first limiting column is provided with a first wedge surface, one end, close to the rotating shaft, of the second limiting column is provided with a second wedge surface which is matched with the first wedge surface and can drive the first limiting column to move downwards when the second limiting column moves towards the direction close to the rotating shaft, and in a natural state, the second elastic piece drives the second limiting column to move and then drives the first limiting column to overcome the elasticity of the first elastic piece and then to be embedded into a limiting hole of the linkage disc.
The invention is further provided with: the frame is provided with a sliding groove which is close to one end of the second limiting column far away from the rotating shaft and extends along the horizontal direction, and the driving piece is a deflector rod which is connected to the second limiting column and penetrates through the sliding groove.
The invention is further provided with: the lower end of the rotating shaft is provided with a protective ring sleeve which is used for covering the mounting frame and is in contact with the upper surface of the linkage disc, a through hole for a second limiting column to pass through is formed in the protective ring sleeve, two first limiting blocks are arranged on the inner wall of the protective ring sleeve, and a second limiting block positioned between the two first limiting blocks is arranged on the upper surface of the linkage disc; when the second limiting block is in conflict with one first limiting block, the second limiting column is aligned with the through hole, and when the second limiting block is in conflict with the other first limiting block, the frame connected to the rotating shaft in a rotating mode is close to the frame fixedly connected to the rotating shaft.
The invention is further provided with: a first magnet is arranged on the first limiting block, two sides of the second limiting block are respectively provided with a second magnet which is used for being adsorbed on the two first magnets.
In summary, the invention has the following beneficial effects:
1. through rotating and connecting two corresponding frames on the rotating shaft, and linking the two frames which are connected on the rotating shaft, when the fixed component unlocks the frames to rotate, the two frames which are connected in a rotating way can be respectively close to the two fixed frames after rotating, so that the space in the access control device is increased, and larger articles can be conveniently carried to pass through;
2. the linkage disc is arranged on the two second gears, the two second gears are linked in the first gear and the inner gear ring, at the moment, the linkage disc can be stably and rotatably connected to the central shaft, then when the fixed component releases the rotation of the frame, the linkage disc is driven to rotate by pushing the frame with one rotatable side, so that the two frames which are rotatably connected are respectively close to the two fixed frames after rotating;
3. when the elasticity of the second elastic piece is not overcome through the driving piece, the second elastic piece drives the second limiting column to move and drives the first limiting column to overcome the elasticity of the first elastic piece and then to be embedded into the limiting hole of the linkage disc, so that the linkage disc cannot rotate; when overcoming the second elastic component elasticity through the driving piece, the pivot is kept away from to the spacing post of second, and first spacing post down motion under the effect of first elastic component this moment to the contact is fixed to the linkage dish, makes the frame of installing on the linkage dish rotate along the pivot.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a partial enlarged view of fig. 1 at a.
Reference numerals: 1. a base; 2. a rotating shaft; 3. a blocking member; 31. a frame, 311, a slip groove; 32. tempered glass; 4. a drive assembly; 5. a linkage assembly; 51. an inner gear ring; 52. a first gear; 53. a linkage disc; 531. a linkage arm; 532. a limiting hole; 533. a second limiting block; 534. a second magnet; 54. a second gear; 6. a fixing assembly; 61. a mounting frame; 62. a first limit post; 621. a first wedge surface; 63. a first elastic member; 64. the second limit column; 641. a second wedge surface; 65. a second elastic member; 66. a driving member; 7. a protective ring sleeve; 71. a through hole; 72. a first limiting block; 73. a first magnet.
Description of the embodiments
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: the utility model provides a rotation type entrance guard's device, is shown as fig. 1, including being used for burying under ground base 1, rotate the pivot 2 of connecting on base 1, four install on pivot 2 and be the barrier 3 that circumference array distributes, set up between base 1 and pivot 2 and be used for driving pivot 2 pivoted drive assembly 4. The barrier 3 includes a frame 31 provided on the rotation shaft 2, and tempered glass 32 installed in the frame 31. The driving component 4 is a motor which is installed in the base 1 and is linked with the rotating shaft 2.
As shown in fig. 1, two of the frames 31 symmetrical along the central axis of the rotating shaft 2 are rotatably connected to the rotating shaft 2 along the central axis of the rotating shaft 2, a linkage assembly 5 is provided between the two frames 31 rotatably connected to the rotating shaft 2, and a fixing assembly 6 for restricting/releasing the rotation of the frames 31 is provided between the two frames 31 rotatably connected to the rotating shaft 2 and the rotating shaft 2. The frames 31 of the other two blocking members 3 are fixedly connected to the rotating shaft 2 (not shown).
As shown in fig. 1 and 2, the diameter of the upper and lower ends of the rotating shaft 2 is smaller than the diameter of the middle part of the rotating shaft 2, the linkage assembly 5 comprises an inner gear ring 51 arranged at the upper and lower ends of the rotating shaft 2, a first gear 52 rotatably connected at the upper and lower ends of the rotating shaft 2 and the rotation axis of which coincides with the center line of the rotating shaft 2, a linkage disc 53 respectively sleeved at the upper and lower ends of the rotating shaft 2, and a second gear 54 centrally symmetrically arranged at the two ends of the linkage disc 53 and respectively meshed between the inner gear ring 51 and the first gear 52, wherein the two ends of the linkage disc 53 are symmetrically provided with linkage arms 531, and the upper and lower ends of a frame 31 rotatably connected on the rotating shaft 2 are respectively fixedly connected at the two ends of the upper and lower two linkage arms 531.
As shown in fig. 1 and 2, a spacing hole 532 is formed in the linkage disc 53 at the lower end of the rotating shaft 2, the fixing component 6 is arranged on the mounting frame 61 at the lower end of the rotating shaft 2, a first spacing post 62 which is telescopically arranged on the mounting frame 61 along the vertical direction and is used for being embedded in the spacing hole 532, a first elastic member 63 which is arranged between the first spacing post 62 and the mounting frame 61 and is used for driving the first spacing post 62 to be separated from the spacing hole 532, a second spacing post 64 which is embedded at the bottom of the frame 31 and is telescopically arranged along the radial direction of the rotating shaft 2, a second elastic member 65 which is arranged between the second spacing post 64 and the frame 31 and is used for driving the second spacing post 64 to move towards the direction close to the central axis, and a driving member 66 which is arranged between the second spacing post 64 and the frame 31 and is used for overcoming the elasticity of the second elastic member 65. The upper end surface of the first limiting column 62 is provided with a first wedge surface 621, one end of the second limiting column 64, which is close to the rotating shaft 2, is provided with a second wedge surface 641 which is mutually matched with the first wedge surface 621 and can drive the first limiting column 62 to move downwards when the second limiting column 64 moves towards the direction close to the rotating shaft 2, and in a natural state, the second elastic piece 65 drives the second limiting column 64 to move and then drives the first limiting column 62 to overcome the elasticity of the first elastic piece 63 and then be embedded into the limiting hole 532 of the linkage disc 53; the two ends of the first elastic member 63 are fixedly connected with the spring between the mounting frame 61 and the first limiting post 62, and in the driving stroke of the first elastic member 63, the first wedge surface 621 can be abutted against the second wedge surface 641. The second elastic member 65 is a spring with two ends fixedly connected between the frame 31 and the second limiting post 64, respectively. The frame 31 is provided with a sliding groove 311 which is close to one end of the second limiting post 64 far away from the rotating shaft 2 and extends along the horizontal direction, and the driving piece 66 is a deflector rod which is connected with the second limiting post 64 and passes through the sliding groove (311).
As shown in fig. 1 and 2, a protective ring sleeve 7 for covering the mounting frame 61 and abutting against the upper surface of the linkage disc 53 is arranged at the lower end of the rotating shaft 2, a through hole 71 for the second limit post 64 to pass through is formed in the protective ring sleeve 7, two first limit blocks 72 are arranged on the inner wall of the protective ring sleeve 7, and a second limit block 533 positioned between the two first limit blocks 72 is arranged on the upper surface of the linkage disc 53; when the second limiting block 533 is abutted against one of the first limiting blocks 72, the second limiting post 64 is aligned to the through hole 71, and when the second limiting block 533 is abutted against the other of the first limiting blocks 72, the frame 31 rotatably connected to the rotating shaft 2 is close to the frame 31 fixedly connected to the rotating shaft 2. The first limiting block 72 is fixedly provided with a first magnet 73, and two sides of the second limiting block 533 are respectively fixedly provided with a second magnet 534 which is used for being adsorbed on the two first magnets 73.
The implementation principle is as follows: by enabling two corresponding frames 31 to be rotatably connected to the rotating shaft 2 and enabling the two frames 31 rotatably connected to the rotating shaft 2 to be linked, when the fixing assembly 6 unlocks the frames 31 to rotate, the two frames 31 rotatably connected can be respectively close to the two fixed frames 31 after rotating, so that the space in the access control device is enlarged, and large articles can be conveniently carried to pass through.
The linkage disc 53 is mounted on the two second gears 54, and the two second gears 54 link the first gears 52 and the inner gear ring 51, at this time, the linkage disc 53 can be stably and rotatably connected to the central shaft, and then when the fixing component 6 releases the rotation of the frame 31, the linkage disc 53 is driven to rotate by pushing the frame 31 with one rotatable side, so that the two rotatably connected frames 31 are respectively close to the two fixed frames 31 after rotating.
When the elasticity of the second elastic member 65 is not overcome by the driving member 66, the second elastic member 65 drives the second limiting post 64 to move and drives the first limiting post 62 to overcome the elasticity of the first elastic member 63 and then to be embedded in the limiting hole 532 of the linkage disc 53, so that the linkage disc 53 cannot rotate; when the elastic force of the second elastic member 65 is overcome by the driving member 66, the second limiting post 64 is far away from the rotating shaft 2, and at this time, the first limiting post 62 moves downward under the action of the first elastic member 63, so as to contact the fixation of the linkage disc 53, so that the frame 31 mounted on the linkage disc 53 can rotate along the rotating shaft 2.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (3)
1. The utility model provides a rotation type entrance guard's device, including being used for burying in subaerial base (1), rotating shaft (2) of connection on base (1), four install in pivot (2) and be circumference array distribution's barrier (3), set up between base (1) and pivot (2) and be used for driving pivot (2) pivoted drive assembly (4), barrier (3) are including setting up frame (31) on pivot (2), its characterized in that: wherein, two frames (31) which are symmetrical along the central axis of the rotating shaft (2) are rotationally connected on the rotating shaft (2) along the central axis of the rotating shaft (2), a linkage component (5) is arranged between the two frames (31) which are rotationally connected on the rotating shaft (2), and a fixing component (6) which is used for limiting/releasing the rotation of the frames (31) is arranged between the two frames (31) which are rotationally connected on the rotating shaft (2) and the rotating shaft (2);
the diameter of the upper end and the lower end of the rotating shaft (2) is smaller than the diameter of the middle part of the rotating shaft (2), the linkage assembly (5) comprises an inner gear ring (51) arranged at the upper end and the lower end of the rotating shaft (2), a first gear (52) rotatably connected at the upper end and the lower end of the rotating shaft (2) and the rotation axis of which coincides with the central line of the rotating shaft (2), a linkage disc (53) respectively sleeved at the upper end and the lower end of the rotating shaft (2), and a second gear (54) which is centrally symmetrically arranged at the two ends of the linkage disc (53) and respectively meshed between the inner gear ring (51) and the first gear (52), wherein the two ends of the linkage disc (53) are symmetrically provided with linkage arms (531), and the upper end and the lower end of the frame (31) rotatably connected on the rotating shaft (2) are respectively connected at the two ends of the upper end and the lower end of the linkage arms (531);
the device comprises a linkage disc (53) positioned at the lower end of a rotating shaft (2), a mounting frame (61) arranged at the lower end of the rotating shaft (2), a first limiting column (62) which is arranged on the mounting frame (61) in a telescopic manner along the vertical direction and is used for being embedded in the limiting hole (532), a first elastic piece (63) which is arranged between the first limiting column (62) and the mounting frame (61) and is used for driving the first limiting column (62) to be separated from the limiting hole (532), a second limiting column (64) which is embedded at the bottom of a frame (31) and is arranged along the radial telescopic manner of the rotating shaft (2), a second elastic piece (65) which is arranged between the second limiting column (64) and the frame (31) and is used for driving the second limiting column (64) to move towards the direction close to the central axis, and a driving piece (66) which is arranged between the second limiting column (64) and the frame (31) and is used for overcoming the elastic force of the second elastic piece (65); the upper end face of the first limiting column (62) is provided with a first wedge-shaped surface (621), one end, close to the rotating shaft (2), of the second limiting column (64) is provided with a second wedge-shaped surface (641) which is mutually matched with the first wedge-shaped surface (621) and can drive the first limiting column (62) to move downwards when the second limiting column (64) moves towards the direction close to the rotating shaft (2), and in a natural state, the second elastic piece (65) drives the second limiting column (64) to move and then drives the first limiting column (62) to overcome the elasticity of the first elastic piece (63) and then to be embedded into a limiting hole (532) of the linkage disc (53);
the lower end of the rotating shaft (2) is provided with a protective ring sleeve (7) which is used for covering the mounting frame (61) and is in contact with the upper surface of the linkage disc (53), a through hole (71) for a second limit column (64) to pass through is formed in the protective ring sleeve (7), two first limit blocks (72) are arranged on the inner wall of the protective ring sleeve (7), and a second limit block (533) positioned between the two first limit blocks (72) is arranged on the upper surface of the linkage disc (53); when the second limiting block (533) is abutted against one first limiting block (72), the second limiting column (64) is aligned to the through hole (71), and when the second limiting block (533) is abutted against the other first limiting block (72), the frame (31) connected to the rotating shaft (2) is rotated to be close to the frame (31) fixedly connected to the rotating shaft (2).
2. The rotary access device of claim 1, wherein: the frame (31) is provided with a sliding groove (311) which is close to one end of the second limiting column (64) far away from the rotating shaft (2) and extends along the horizontal direction, and the driving piece (66) is a deflector rod which is connected with the second limiting column (64) and penetrates through the sliding groove (311).
3. The rotary access device of claim 2, wherein: the first limiting block (72) is provided with first magnets (73), and two sides of the second limiting block (533) are respectively provided with second magnets (534) which are used for being adsorbed on the two first magnets (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275039.9A CN109138764B (en) | 2018-10-30 | 2018-10-30 | Rotary access control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275039.9A CN109138764B (en) | 2018-10-30 | 2018-10-30 | Rotary access control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109138764A CN109138764A (en) | 2019-01-04 |
| CN109138764B true CN109138764B (en) | 2023-11-14 |
Family
ID=64806455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811275039.9A Active CN109138764B (en) | 2018-10-30 | 2018-10-30 | Rotary access control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138764B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469255B (en) * | 2019-09-10 | 2024-04-26 | 襄阳市思想机电科技有限公司 | Auxiliary door winding drum of one-way door |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4358909A (en) * | 1980-07-24 | 1982-11-16 | Trikilis Emmanuel M | Turnstile |
| CN101025068A (en) * | 2006-02-23 | 2007-08-29 | 沙伊特&巴赫曼有限公司 | Passage barrier |
| CN101122205A (en) * | 2007-07-31 | 2008-02-13 | 北京宝盾门业技术有限公司 | Central locking device for rotary door |
| DE202011000459U1 (en) * | 2011-03-01 | 2012-06-04 | GU Automatik GmbH | Device in the passage area of a building or the like |
| CN106285302A (en) * | 2016-11-03 | 2017-01-04 | 山东锐泽自动门有限公司 | A kind of automatic revolving door anti-pinch hits method and anti-pinch hits automatic revolving door |
| CN207710618U (en) * | 2017-12-21 | 2018-08-10 | 宁波金瑞泰汽车装备有限公司 | A kind of detent mechanism for vehicle body sheet metal detection |
-
2018
- 2018-10-30 CN CN201811275039.9A patent/CN109138764B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4358909A (en) * | 1980-07-24 | 1982-11-16 | Trikilis Emmanuel M | Turnstile |
| CN101025068A (en) * | 2006-02-23 | 2007-08-29 | 沙伊特&巴赫曼有限公司 | Passage barrier |
| CN101122205A (en) * | 2007-07-31 | 2008-02-13 | 北京宝盾门业技术有限公司 | Central locking device for rotary door |
| DE202011000459U1 (en) * | 2011-03-01 | 2012-06-04 | GU Automatik GmbH | Device in the passage area of a building or the like |
| CN106285302A (en) * | 2016-11-03 | 2017-01-04 | 山东锐泽自动门有限公司 | A kind of automatic revolving door anti-pinch hits method and anti-pinch hits automatic revolving door |
| CN207710618U (en) * | 2017-12-21 | 2018-08-10 | 宁波金瑞泰汽车装备有限公司 | A kind of detent mechanism for vehicle body sheet metal detection |
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| Publication number | Publication date |
|---|---|
| CN109138764A (en) | 2019-01-04 |
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