CN113738216A - Anti-clamping device for door and window - Google Patents
Anti-clamping device for door and window Download PDFInfo
- Publication number
- CN113738216A CN113738216A CN202111147458.6A CN202111147458A CN113738216A CN 113738216 A CN113738216 A CN 113738216A CN 202111147458 A CN202111147458 A CN 202111147458A CN 113738216 A CN113738216 A CN 113738216A
- Authority
- CN
- China
- Prior art keywords
- locking
- door
- window
- doors
- guide groove
- 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
Links
Images
Classifications
-
- 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
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
-
- 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
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses an anti-pinch device for doors and windows, which comprises a frame, wherein the frame is internally provided with an anti-pinch device, the frame is internally provided with a linkage mechanism, the anti-pinch device comprises a locking mechanism, a driving mechanism and a rebound mechanism, the locking mechanism comprises a locking disc and a positioning ring, the locking disc is provided with at least one first guide groove communicated with the side wall of the locking disc, a first spring and a first abutting block are arranged in the first guide groove, the first abutting block is movably arranged in the first guide groove through the first spring, the positioning ring is sleeved with the outer ring of the locking disc, the positioning ring is provided with a first abutting groove for abutting against the first abutting block, and the positioning ring is connected with the doors and windows through the linkage mechanism so that the doors and the windows drive the linkage mechanism to rotate, thereby having universality compared with a specially-made movable door and being suitable for various door and window opening types, and simultaneously realizing the locking after the doors and the windows move fast through the arrangement of the locking mechanism, meanwhile, the rebound mechanism is arranged to realize rebound after locking is abandoned, so that an extra safety distance is obtained.
Description
Technical Field
The invention relates to the technical field of doors and windows, in particular to an anti-pinch device for doors and windows.
Background
In daily life, doors and windows are indispensable components of buildings, common doors and windows mainly comprise a push-pull type door and window, a flat-open type door and window, a folding type door and window, a fixed type door and window and the like, wherein the push-pull type door and window and the flat-open type door and window easily hurt children due to the property that the children enjoy the door and window.
Chinese patent with publication No. CN110512978A discloses an automatic clamping-proof device under rapid impact of aluminum alloy doors and windows, comprising a movable track, a movable door movably connected inside the movable track, a semicircular slideway fixedly connected on the left side of the movable door, a position control plate movably connected inside the movable track, a fixed clamping block fixedly connected between the position control plates, a movable rod movably connected at both ends of the position control plate, a rotating wheel movably connected at one end of the movable rod away from the position control plate, a main spring movably connected at the left side of the position control plate, a fixed cylinder fixedly connected at the inner side of the main spring, a sliding block movably connected at the inner side of the fixed cylinder, a connecting rod movably connected between the sliding block and the movable rod, a compression spring movably connected at the left side of the sliding block, a sliding track fixedly connected below the movable door, a positioning rod movably connected inside the sliding track and extending into the movable door, a positioning spring sleeved outside the positioning rod, swing joint has the removal wheel between locating lever and the slip track, and when receiving great power, the connecting rod promotes slider compression spring, moves the pole two and moves the 7 font bayonets that the pole pressed on the semi-rounding off in the twinkling of an eye, moves the latch on the pole at last and blocks fixed fixture block, will move the door and block the position at fixed fixture block, the device still has following defect: the movable door in the device is specially made, has no universality, is only suitable for a horizontal-pushing type door and window in a movable track mode, and lacks the applicability to a push-pull type door and window, so that the anti-pinch device for the door and window, which has strong applicability and can be used for various door and window types, is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the anti-pinch device for the doors and the windows, which has strong applicability and can be used for various door and window types.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-pinch device for doors and windows comprises a frame, wherein the frame is internally provided with the anti-pinch device, the frame is internally provided with a linkage mechanism, the anti-pinch device comprises a locking mechanism, a driving mechanism and a rebounding mechanism, the locking mechanism comprises a locking disc and a positioning ring, the locking disc is provided with at least one first guide groove communicated with the side wall of the locking disc, a first spring and a first abutting block are arranged in the first guide groove, the first abutting block is movably arranged in the first guide groove through the first spring, the positioning ring is sleeved with an outer ring of the locking disc, the positioning ring is fixedly connected with the frame, the positioning ring is provided with a first abutting groove for abutting against the first abutting block, when the rotating speed of the locking disc exceeds a threshold value, the first abutting block partially extends out of the first guide groove and abuts against the first abutting groove, the linkage mechanism is connected with doors and windows, the doors and windows move to drive the linkage mechanism to rotate, the output end of the linkage mechanism is connected with the driving mechanism and used for driving the driving mechanism to rotate, the output end of the driving mechanism is respectively connected with the locking disc and the rebounding mechanism, when the rotating speed of the driving mechanism exceeds a threshold value, the driving mechanism drives the locking disc to rotate and enables the rebounding mechanism to obtain elastic force, and the locking mechanism is used for limiting the driving mechanism to rotate.
As a further improvement of the present invention, the driving mechanism includes a driving rod and a rotating disc, the rotating disc is provided with a circular connecting seat, one end of the driving rod is fixedly connected to the locking disc, the other end of the driving rod is provided with a connecting hole and is sleeved with the connecting seat, the connecting seat is provided with at least one second guiding groove communicated with a side wall of the connecting seat, a second spring and a second abutting block are arranged in the second guiding groove, the second abutting block is movably arranged in the second guiding groove through the second spring, a second abutting groove is arranged in the connecting hole in a surrounding manner corresponding to the position of the second abutting block, when the rotating speed of the rotating disc exceeds a threshold value, a part of the second abutting block extends out of the second guiding groove and abuts against the second abutting groove, and one surface of the rotating disc far away from the driving rod is connected to the linkage mechanism.
As a further improvement of the invention, the rebound mechanism comprises an elastic strip, the elastic strip is arranged around the driving rod, one end of the elastic strip is fixedly connected with the driving rod, and the other end of the elastic strip is connected with the inner wall of the frame.
As a further improvement of the invention, the linkage mechanism comprises a first linkage rod, one end of the first linkage rod is connected with the rotating disc, and the other end of the first linkage rod is fixedly connected with the corresponding hinged end of the door and window.
As a further improvement of the invention, the linkage assembly further comprises a transmission belt, the frame is symmetrically provided with rollers along the moving direction of the door and window, the rollers on two sides are rotatably connected with the frame, the transmission belt is respectively arranged around the rollers on two sides, a connecting piece is fixedly arranged on the transmission belt and is connected with the edge of the door and window, and the roller on one side is fixedly connected with the rotating disc.
As a further improvement of the invention, the connecting piece comprises abutting plates symmetrically arranged at the left edge and the right edge of the door and the window, the abutting plates at two sides respectively abut against the left edge and the right edge of the door and the window, a mounting seat is fixedly connected between the abutting plates at two sides, and the mounting seat is fixedly connected with the transmission belt.
As a further improvement of the present invention, one end of each of the first abutting block and the second abutting block, which is far away from the first spring and the second spring, is an inclined surface.
The invention has the beneficial effects that: through link gear and door and window connection, make door and window drive link gear rotate, thereby it has the universality to have more in purpose-built floating gate, be applicable to multiple door and window simultaneously and open the type, can realize locking after door and window translation rate is too fast through locking mechanism's setting simultaneously, springback is realized giving up after locking to the setting of resilience mechanism simultaneously, thereby obtain extra safe distance, can used repeatedly through the mode of centrifugal force with the spring simultaneously, the setting on inclined plane can be convenient for to conflict the touch multitouch and conflict in getting into conflict groove with conflict groove.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of the installation of the rebounding mechanism of the present invention;
FIG. 3 is a schematic view of the drive mechanism of the present invention;
FIG. 4 is a schematic view of a connection hole of the present invention;
FIG. 5 is a schematic view of a connecting socket of the present invention;
FIG. 6 is a schematic view of the installation of a first linkage rod in accordance with one embodiment of the present invention;
fig. 7 is a schematic view of the connector installation according to another embodiment of the present invention.
Reference numerals: 1. a linkage mechanism; 2. a locking mechanism; 3. a drive mechanism; 4. a rebound mechanism; 5. a locking disc; 6. positioning rings; 7. a first guide groove; 8. a first spring; 9. a first contact block; 10. a first interference groove; 11. a drive rod; 12. rotating the disc; 13. a connecting seat; 14. connecting holes; 15. a second guide groove; 16. a second spring; 17. a second contact block; 18. a second interference groove; 19. an elastic strip; 20. a first linkage rod; 21. a conveyor belt; 22. a roller; 23. a connecting member; 24. a touch plate; 25. and (7) mounting a seat.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals.
As shown in fig. 1-6, an anti-pinch device for doors and windows comprises a frame, wherein the frame is internally provided with the anti-pinch device, the frame is internally provided with a linkage mechanism 1, the anti-pinch device comprises a locking mechanism 2, a driving mechanism 3 and a rebounding mechanism 4, the locking mechanism 2 comprises a locking disc 5 and a positioning ring 6, the locking disc 5 is provided with at least one first guide groove 7 communicated with the side wall of the locking disc 5, the first guide groove 7 is internally provided with a first spring 8 and a first touch block 9, the first touch block 9 is movably arranged in the first guide groove 7 through the first spring 8, the positioning ring 6 is sleeved on the outer ring of the locking disc 5, the positioning ring 6 is fixedly connected with the frame, the positioning ring 6 is provided with a first touch groove 10 used for being in contact with the first touch block 9, when the rotating speed of the locking disc 5 exceeds a threshold value, the first touch block 9 partially extends out of the first guide groove 7 and touches the first touch groove 10, the linkage mechanism 1 is connected with a door window, the door window moves to drive the linkage mechanism 1 to rotate, the output end of the linkage mechanism 1 is connected with the driving mechanism 3 and is used for driving the driving mechanism 3 to rotate, the output end of the driving mechanism 3 is respectively connected with the locking disc 5 and the rebounding mechanism 4, when the rotating speed of the driving mechanism 3 exceeds a threshold value, the driving mechanism 3 drives the locking disc 5 to rotate and enables the rebounding mechanism 4 to obtain elastic force, the locking mechanism 2 is used for limiting the driving mechanism 3 to rotate, when the door window moves, the driving mechanism 3 is driven to rotate through the linkage mechanism 1, when the door window moves at an excessively high speed, the driving mechanism 3 is driven to rotate at an excessively high speed through the linkage mechanism 1, the locking disc 5 is further driven to rotate through the driving mechanism 3, the rebounding mechanism 4 obtains elastic force, when the locking disc 5 rotates at an excessively high speed, the first abutting block 9 partially extends out of the first guide groove 7 under the action of centrifugal force, and contradict with first conflict groove 10, first spring 8 obtains elasticity simultaneously, after the locking is accomplished, drive first contact block 9 through first spring 8 and return to in first conflict groove 10, drive locking dish 5 through resilient means 4 simultaneously and reverse, further drive link gear 1 through actuating mechanism 3 and reverse, further drive door and window to reverse direction motion, thereby obtain certain safe distance, be connected with the door and window through link gear 1, make door and window drive link gear 1 and rotate, thereby it has the universality to have more than purpose-built floating gate, be applicable to multiple door and window type of opening simultaneously, can realize locking after door and window moving speed is too fast through the setting of locking mechanism 2, resilient means 4's setting realizes springing back after giving up the locking simultaneously, thereby increase the security performance, simultaneously can be convenient for reuse through centrifugal force drive.
Preferably, the driving mechanism 3 includes a driving rod 11 and a rotating disc 12, the rotating disc 12 is provided with a circular connecting seat 13, one end of the driving rod 11 is fixedly connected with the locking disc 5, the other end of the driving rod is provided with a connecting hole 14 and is sleeved with the connecting seat 13, the connecting seat 13 is provided with at least one second guide groove 15 communicated with the side wall of the connecting seat 13, the second guide groove 15 is internally provided with a second spring 16 and a second contact block 17, the second contact block 17 is movably arranged in the second guide groove 15 through the second spring 16, a second interference groove 18 is arranged around the position corresponding to the second contact block 17 in the connecting hole 14, when the rotating speed of the rotating disc 12 exceeds a threshold value, the second contact block 17 partially extends out of the second guide groove 15 and is interfered with the second interference groove 18, one surface of the rotating disc 12 far away from the driving rod 11 is connected with the linkage mechanism 1, when in use, when door and window removes at the excessive speed, drive rolling disc 12 through linkage subassembly 1 and rotate, further make the 12 rotational speeds of rolling disc too fast, further drive second conflict piece 17 part through centrifugal force and stretch out and contradict with second conflict groove 18 from second guide way 15, further drive actuating lever 11 and rotate, further drive locking dish 5 rotatory, be convenient for used repeatedly through centrifugal mode, can make the structure compacter with locking device 2 linkage simultaneously, thereby reinforcing stability.
Preferably, rebound mechanism 4 includes elastic strip 19, elastic strip 19 encircles the setting of actuating lever 11, 19 one end of elastic strip and 11 fixed connection of actuating lever, the other end and the frame wall connection, elastic strip 19 set up and can effectively reduce the torque when receiving great torque to faster realization locking is compared in the spring and is kick-backed more stably simultaneously.
Preferably, the linkage mechanism 1 comprises a first linkage rod 20, one end of the first linkage rod 20 is connected with the rotating disc 12, the other end of the first linkage rod is fixedly connected with the corresponding hinged end of the door window, the opening mode of the door window applicable to the arrangement of the first linkage rod 20 is a push-pull type structure, and the structure is simplified.
Preferably, the end of the first contact block 9 and the end of the second contact block 17 far away from the first spring 8 and the second spring 16 are inclined planes, and the first contact block 9 and the second contact block 17 can enter the first contact groove 10 and the second contact groove 15 through the inclined planes, so that the practicability is improved.
As shown in fig. 7, in another embodiment, the difference from the previous embodiment is that the linkage assembly 1 further includes a transmission belt 21, the frame is symmetrically provided with rollers 22 along the moving direction of the door and window, both sides of the rollers 22 are rotatably connected with the frame, the transmission belt 21 is respectively disposed around the rollers 22 on both sides, the transmission belt 21 is fixedly provided with a connecting member 23, the connecting member 23 is connected with the edge of the door and window, and one side of the roller 22 is fixedly connected with the rotating disc 12, when in use, when the door and window moves, the connecting member 23 is driven to move, the transmission belt 21 is further driven to move, the rollers 22 are further driven to rotate, the rotating disc 12 is further driven to rotate, the transmission is realized through the connecting member 23, and meanwhile, the additional door and window transformation is avoided, so as to reduce the cost and the processing difficulty, and meanwhile, the arrangement of the rollers 22 and the transmission belt 21 can be applied to the door and window in a flat-open type, thereby making installation more convenient.
Preferably, connecting piece 23 sets up in the conflict board 24 at border about door and window including the symmetry, both sides the conflict board 24 is contradicted with the border about door and window respectively, both sides fixedly connected with mount pad 25 between the conflict board 24, mount pad 25 and drive belt 21 fixed connection can reduce the influence to door and window removal through the setting up of the conflict board 24, make things convenient for follow-up dismouting to just going to door and window simultaneously.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. The utility model provides a door and window is with anti-pinch device, includes the frame, be equipped with anti-pinch device in the frame, its characterized in that: the anti-clamping device is characterized in that a linkage mechanism (1) is arranged in the frame, the anti-clamping device comprises a locking mechanism (2), a driving mechanism (3) and a rebounding mechanism (4), the locking mechanism (2) comprises a locking disc (5) and a positioning ring (6), at least one first guide groove (7) communicated with the side wall of the locking disc (5) is formed in the locking disc (5), a first spring (8) and a first touch block (9) are arranged in the first guide groove (7), the first touch block (9) is movably arranged in the first guide groove (7) through the first spring (8), the positioning ring (6) is sleeved with the outer ring of the locking disc (5), the positioning ring (6) is fixedly connected with the frame, a first touch groove (10) for touching the first touch block (9) is formed in the positioning ring (6), and when the rotating speed of the locking disc (5) exceeds a threshold value, first conflict piece (9) part is stretched out and is contradicted with first conflict groove (10) from first guide way (7), link gear (1) and door and window are connected, door and window motion drives link gear (1) and rotates, link gear (1) output is connected with actuating mechanism (3) and is used for driving actuating mechanism (3) and rotates, actuating mechanism (3) output is connected with locking dish (5) and resilience mechanism (4) respectively, when actuating mechanism (3) rotational speed exceeded the threshold value, actuating mechanism (3) drive locking dish (5) and rotate and make resilience mechanism (4) obtain elasticity, locking mechanism (2) are used for restricting actuating mechanism (3) and rotate.
2. The anti-pinch device for doors and windows according to claim 1, characterized in that: the driving mechanism (3) comprises a driving rod (11) and a rotating disc (12), a circular connecting seat (13) is arranged on the rotating disc (12), one end of the driving rod (11) is fixedly connected with the locking disc (5), a connecting hole (14) is formed in the other end of the driving rod and is sleeved with the connecting seat (13), at least one second guide groove (15) communicated with the side wall of the connecting seat (13) is formed in the connecting seat (13), a second spring (16) and a second contact block (17) are arranged in the second guide groove (15), the second contact block (17) is movably arranged in the second guide groove (15) through the second spring (16), a second interference groove (18) is formed in the connecting hole (14) in a surrounding mode corresponding to the second contact block (17), and when the rotating speed of the rotating disc (12) exceeds a threshold value, the second contact block (17) partially extends out of the second guide groove (15) and is interfered with the second interference groove (18), one surface of the rotating disc (12) far away from the driving rod (11) is connected with the linkage mechanism (1).
3. The anti-pinch device for doors and windows according to claim 2, characterized in that: rebound mechanism (4) include elasticity strip (19), elasticity strip (19) encircle actuating lever (11) and set up, elasticity strip (19) one end and actuating lever (11) fixed connection, the other end and frame inner wall connection.
4. The anti-pinch device for doors and windows according to claim 2, characterized in that: the linkage mechanism (1) comprises a first linkage rod (20), one end of the first linkage rod (20) is connected with the rotating disc (12), and the other end of the first linkage rod is fixedly connected with the corresponding hinged end of the door window.
5. The anti-pinch device for doors and windows according to claim 2, characterized in that: linkage subassembly (1) is still including drive belt (21), the frame is equipped with gyro wheel (22) along door and window moving direction symmetry, both sides gyro wheel (22) all rotate with the frame to be connected, drive belt (21) encircle both sides gyro wheel (22) respectively and set up, the fixed connecting piece (23) that are equipped with on drive belt (21), connecting piece (23) and door and window border are connected, one side gyro wheel (22) and rolling disc (12) fixed connection.
6. The anti-pinch device for doors and windows according to claim 5, characterized in that: connecting piece (23) set up conflict board (24) at border about door and window including the symmetry, both sides conflict board (24) border about with door and window respectively, both sides fixedly connected with mount pad (25) between conflict board (24), mount pad (25) and drive belt (21) fixed connection.
7. The anti-pinch device for doors and windows according to claim 2, characterized in that: and one ends of the first resisting block (9) and the second resisting block (17) which are respectively far away from the first spring (8) and the second spring (16) are inclined planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111147458.6A CN113738216B (en) | 2021-09-27 | 2021-09-27 | Anti-clamping device for door and window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111147458.6A CN113738216B (en) | 2021-09-27 | 2021-09-27 | Anti-clamping device for door and window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113738216A true CN113738216A (en) | 2021-12-03 |
| CN113738216B CN113738216B (en) | 2022-09-27 |
Family
ID=78741758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111147458.6A Active CN113738216B (en) | 2021-09-27 | 2021-09-27 | Anti-clamping device for door and window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113738216B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191210332A (en) * | 1912-05-01 | 1913-04-24 | Werner Huelsen | Improved Device for Checking or Preventing Slamming of Swinging Doors. |
| JPH07265145A (en) * | 1994-03-31 | 1995-10-17 | Itoki Crebio Corp | Overspeed braking roller and drawer system using the same |
| EP2712987A2 (en) * | 2012-09-27 | 2014-04-02 | Aisin Seiki Kabushiki Kaisha | Switching mechanism |
| EP2761118A1 (en) * | 2011-09-30 | 2014-08-06 | OTLAV SpA | Safety device to prevent the sudden closing of a movable element |
| US20150101147A1 (en) * | 2013-10-14 | 2015-04-16 | Chung-Hsien Hsieh | Unidirectional Centrifugal Mechanism of Door Operator |
| CN107269206A (en) * | 2016-04-06 | 2017-10-20 | 亿丰综合工业股份有限公司 | Damping adjustment device and the blind system including damping adjustment device |
| CN107419987A (en) * | 2017-06-21 | 2017-12-01 | 泉州齐美电子科技有限公司 | A kind of Anti-pinch door without injuring based on coiled spring energy-storage |
| CN108590408A (en) * | 2018-05-04 | 2018-09-28 | 苏州市富尔达科技股份有限公司 | A kind of amortization door closer |
| CN110541643A (en) * | 2019-09-12 | 2019-12-06 | 罗正书 | Sliding door safety device based on centrifugal rotation principle |
-
2021
- 2021-09-27 CN CN202111147458.6A patent/CN113738216B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191210332A (en) * | 1912-05-01 | 1913-04-24 | Werner Huelsen | Improved Device for Checking or Preventing Slamming of Swinging Doors. |
| JPH07265145A (en) * | 1994-03-31 | 1995-10-17 | Itoki Crebio Corp | Overspeed braking roller and drawer system using the same |
| EP2761118A1 (en) * | 2011-09-30 | 2014-08-06 | OTLAV SpA | Safety device to prevent the sudden closing of a movable element |
| EP2712987A2 (en) * | 2012-09-27 | 2014-04-02 | Aisin Seiki Kabushiki Kaisha | Switching mechanism |
| US20150101147A1 (en) * | 2013-10-14 | 2015-04-16 | Chung-Hsien Hsieh | Unidirectional Centrifugal Mechanism of Door Operator |
| CN107269206A (en) * | 2016-04-06 | 2017-10-20 | 亿丰综合工业股份有限公司 | Damping adjustment device and the blind system including damping adjustment device |
| CN107419987A (en) * | 2017-06-21 | 2017-12-01 | 泉州齐美电子科技有限公司 | A kind of Anti-pinch door without injuring based on coiled spring energy-storage |
| CN108590408A (en) * | 2018-05-04 | 2018-09-28 | 苏州市富尔达科技股份有限公司 | A kind of amortization door closer |
| CN110541643A (en) * | 2019-09-12 | 2019-12-06 | 罗正书 | Sliding door safety device based on centrifugal rotation principle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113738216B (en) | 2022-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW201135095A (en) | A clutch with high binding ability | |
| CN113738216B (en) | Anti-clamping device for door and window | |
| CN109771164B (en) | Stair climbing device | |
| CN110939341B (en) | Vehicle door device under extreme environment | |
| CN211749319U (en) | Cleaning device | |
| CN112302459A (en) | Damping buffer device and sliding door | |
| CN218702633U (en) | Vehicle window rail-changing mechanism | |
| CN110952852A (en) | Vehicle door mechanism of anti gale | |
| CN214498803U (en) | High-speed railway car door anti-pinch mechanism with high safety performance | |
| CN204677065U (en) | Slide door or window five metals system | |
| CN108705557B (en) | Micro robot joint | |
| CN208330062U (en) | Industrial foldable gate | |
| CN218759411U (en) | Bridge-cut-off type aluminum alloy screen window | |
| CN211313822U (en) | Automatic switch door of high-speed railway carriage | |
| CN220151206U (en) | Self-buffering shockproof civil air defense door | |
| CN214006909U (en) | Bridge-cut-off type door and window convenient to open and close | |
| CN213683868U (en) | Intelligent garage rolling door | |
| CN219887858U (en) | Electric tail gate device | |
| CN213742856U (en) | Pulley brake structure of shower room glass door | |
| CN216615598U (en) | Closing channel device | |
| CN212478943U (en) | Window anti-drop structure | |
| CN221027084U (en) | Elevator car door locking knife assembly | |
| US3494074A (en) | Shock absorbing unit for a sliding flush door | |
| CN211874219U (en) | Fitting for locking door and window | |
| CN217681283U (en) | High-strength impact-resistant aluminum alloy energy-saving door and window |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |