CN109779436B - Down-pressing rotation-stopping type door opening and closing speed limiter - Google Patents
Down-pressing rotation-stopping type door opening and closing speed limiter Download PDFInfo
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- CN109779436B CN109779436B CN201910134958.2A CN201910134958A CN109779436B CN 109779436 B CN109779436 B CN 109779436B CN 201910134958 A CN201910134958 A CN 201910134958A CN 109779436 B CN109779436 B CN 109779436B
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Abstract
The invention discloses a downward pressing rotation-stopping type door opening and closing speed limiter which comprises a support, a roller, a pendulum, elastic rubber and an installation connecting frame, wherein the roller is arranged on the support; the roller main body is a cylinder, a shaft is arranged in the center of the left side of the cylinder, a long shaft is arranged in the center of the right side of the cylinder, a pendulum bob connecting frame is arranged at the top end of the long shaft, the pendulum bob connecting frame is two rectangular plates, the rectangular plates are perpendicular to the central axis of the long shaft, and pendulum bob connecting holes are formed in the rectangular plates; install the back on the door, gyro wheel and ground laminating, when the door opened and shut, the gyro wheel can drive the gyro wheel rotation with ground friction, and when the door speed of opening and shutting exceeded the settlement speed, the pendulum outwards swung out under the centrifugal force effect, hung the baffle in the support ring baffle, and the gyro wheel splines the back, and under the frictional force effect, the support revolutes the rotation of axes for the support produces the holding down force, and increase frictional force realizes the speed reduction to the door. The problem of current door unrestricted when half state of opening and shutting is solved.
Description
Technical Field
The invention relates to a door opening and closing speed limiter, in particular to a downward-pressing rotation-stopping type door opening and closing speed limiter.
Background
At present, along with the development of the urbanization process, more and more high-rise houses are built, and because the floors where the high-rise houses are located are higher, and high-rise convection wind is frequently encountered during windowing and ventilation, most of the current high-rise houses are provided with electromagnetic suction devices on doors so as to prevent the doors from being opened and closed at high speed due to the convection wind when the doors are opened.
However, only the door with the electromagnetic actuator can only exert the fixing effect on the door when the door is completely opened, and the fixing effect on the door cannot be realized when the door is in a half-open state, so that the existing door fixing equipment needs to be supplemented to realize the fixing effect on the door at any opening and closing angle.
Disclosure of Invention
The invention aims to provide a downward pressing stop rotating type door opening and closing speed limiter, which is used for solving the problem that the door is not limited when the existing door is in a half opening and closing state.
In order to achieve the purpose, the invention adopts the following technical scheme:
a downward-pressing rotation-stopping type door opening and closing speed limiter comprises a support, a roller, a pendulum, elastic rubber and an installation connecting frame; the support comprises a connecting plate and three roller connecting plates, an oblique angle is formed in the back of the door connecting plate, a rotating shaft hole is formed in the top of the door connecting plate, the rotating shaft hole is matched with a rotating shaft for mounting the connecting frame, the number of the roller connecting plates is three, namely, three left, middle and right, an annular baffle is arranged on the inner side of the right roller connecting plate, the main body of the annular baffle is a circular ring, and two baffles are symmetrically arranged in the circular ring; the roller body is a cylinder, a shaft is arranged in the center of the left side of the cylinder, a long shaft is arranged in the center of the right side of the cylinder, a pendulum bob connecting frame is arranged at the top end of the long shaft, the pendulum bob connecting frame is composed of two rectangular plates, the rectangular plates are perpendicular to the central axis of the long shaft, pendulum bob connecting holes are formed in the rectangular plates, and an inner limiting stop rod and an outer limiting stop rod are arranged around the pendulum bob connecting holes; one end of the pendulum is provided with a mass block, and the other end of the pendulum is provided with a pendulum connecting shaft; the pendulum bob is arranged in a pendulum bob connecting frame of the roller, the roller is arranged in the bracket, and the roller can rotate around a shaft under the constraint of a rotating shaft hole on a roller connecting plate of the bracket; the mounting connecting frame is a rectangular plate with a rotating shaft, one surface of the mounting connecting frame is matched with the bracket, and the other surface of the mounting connecting frame is matched with the door; the elastic rubber is bonded on the connecting plate and is arranged between the bracket and the mounting connecting frame; install the back on the door, gyro wheel and ground laminating, when the door opened and shut, the gyro wheel can drive the gyro wheel rotation with ground friction, and when the door speed of opening and shutting exceeded the settlement speed, the pendulum outwards swung out under the centrifugal force effect, hung the baffle in the support ring baffle, and the gyro wheel splines the back, and under the frictional force effect, the support revolutes the rotation of axes for the support produces the holding down force, and increase frictional force realizes the speed reduction to the door.
The left, middle and right connecting plates of the roller connecting plate are provided with rotating shaft holes.
The inner limiting stop lever is arranged at the left lower part of the pendulum bob connecting hole and used for limiting the inward rotating angle of the pendulum bob.
The outer limiting stop lever is arranged at the right lower part of the pendulum bob connecting hole and used for limiting the outward rotation angle of the pendulum bob.
Preferably, the mounting and connecting frame is connected with the door through bonding or screw threads.
Preferably, the edge of the inner baffle of the annular baffle is provided with a round angle.
Preferably, the edge of the pendulum connecting frame in the rotating direction is rounded.
The invention has the following advantages:
1. when the door is in the half-open state, the speed limiter does not influence the normal opening and closing of the door.
2. When the door is influenced by external force and the opening and closing speed of the door exceeds the limit, the speed limiter is started, the roller stops rotating to brake the door, and the structure is simple and reliable.
Drawings
Fig. 1 is a perspective view of a bracket of a downward-pressing rotation-stopping type door opening and closing speed limiter of the invention.
Fig. 2 is a perspective view of another perspective view of a bracket of a door opening and closing speed limiter of a press-down rotation-stopping type.
Fig. 3 is a front view and a sectional view a-a of a bracket of a downward-pressing rotation-stopping type door opening and closing speed limiter according to the present invention.
Fig. 4 is a perspective view of a roller of the downward-pressing rotation-stopping type door opening and closing speed limiter of the invention.
Fig. 5 is a perspective view of a mounting connection frame of the downward-pressing rotation-stopping type door opening and closing speed limiter of the invention.
Fig. 6 is a perspective view of a pendulum of the downward-pressing rotation-stopping type door opening and closing speed limiter of the invention.
Fig. 7 is a perspective view of an assembly of a downward-pressing rotation-stopping type door opening and closing speed limiter according to the present invention.
Fig. 8 is another perspective view of the assembly of the door opening/closing speed limiter of the push-down rotation-stop type of the present invention.
Fig. 9 is a top view and a sectional view a-a of an assembly of a push-down rotation-stop type door opening and closing speed governor of the present invention.
In the figure: 1. a support; 2. a roller; 3. a pendulum bob; 4. a connecting plate; 5. a roller connecting plate; 6. an annular baffle; 7. a baffle plate; 8. a shaft; 9. a long axis; 10. the pendulum bob is connected with the frame; 11. two rectangular plates; 12. a pendulum bob connecting hole; 13. an inner limit stop lever; 14. an outer limit stop lever; 15. a rotating shaft hole; 16. a mass block; 17. a pendulum bob connecting shaft; 18. mounting a connecting frame; 19. a rotating shaft hole; 20. an elastic rubber; 21. a rotating shaft; 22. and (4) oblique angle.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship may be made without substantial changes in the technical contents.
Example 1
Referring to fig. 1-9, a downward pressing and rotation stopping type door opening and closing speed limiter comprises a support 1, a roller 2, a pendulum 3, elastic rubber 20 and a mounting and connecting frame 18; the support 1 comprises a connecting plate 4 and three roller connecting plates 5, wherein an oblique angle 22 is arranged on the back of the door connecting plate 4, a rotating shaft hole 19 is arranged at the top of the door connecting plate, the rotating shaft hole 19 is matched with a rotating shaft 21 of an installation connecting frame 18, the roller connecting plates 5 are three, namely, a left roller connecting plate, a middle roller connecting plate and a right roller connecting plate, an annular baffle 6 is arranged on the inner side of the right roller connecting plate 5-1, the main body of the annular baffle 6 is a circular ring, and two baffles 7 are symmetrically arranged in the circular ring; the main body of the roller 2 is a cylinder, a shaft 8 is arranged in the center of the left side of the cylinder, a long shaft 9 is arranged in the center of the right side of the cylinder, a pendulum bob connecting frame 10 is arranged at the top end of the long shaft 9, the pendulum bob connecting frame 10 is two rectangular plates 11, the rectangular plates 11 are perpendicular to the central axis of the long shaft 9, pendulum bob connecting holes 12 are formed in the rectangular plates 11, and inner limiting stop rods 13 and outer limiting stop rods 14 are arranged around the pendulum bob connecting holes 12; one end of the pendulum bob 3 is provided with a mass block 16, and the other end is provided with a pendulum bob connecting shaft 17; the pendulum bob 3 is arranged in a pendulum bob connecting frame 10 of the roller 2, the roller 2 is arranged in the bracket 1, and the roller 2 can rotate around a shaft under the constraint of a rotating shaft hole 15 on a roller connecting plate 5 of the bracket 1; the mounting and connecting frame 18 is a rectangular plate with a rotating shaft 21, one surface of the mounting and connecting frame is matched with the bracket 1, and the other surface of the mounting and connecting frame is matched with a door; the elastic rubber 20 is bonded on the connecting plate 4 and is arranged between the bracket 1 and the mounting connecting frame 18; install the back on the door, gyro wheel 2 and ground laminating, when the door opened and shut, gyro wheel 2 can drive gyro wheel 2 rotatoryly with ground friction, when the door speed of opening and shutting exceeded the settlement speed, pendulum 3 outwards swung out under the centrifugal force effect, hang baffle 7 in 1 ring baffle 6 of support, gyro wheel 2 splines, 2 splines the back of gyro wheel, under the frictional force effect, support 1 revolutes axle 21 and rotates for support 1 produces the overdraft, increase frictional force realizes the speed reduction to the door.
The left, middle and right connecting plates of the roller connecting plate 5 are provided with rotating shaft holes 15.
The inner limit stopper 13 is provided at a lower left side of the pendulum attachment hole 12 to limit an inward rotation angle of the pendulum 3.
The outer limit stopper 14 is provided at the lower right of the pendulum attachment hole 12 to limit the outward rotation angle of the pendulum 3.
Preferably, the mounting frame 18 is connected to the door by bonding or screwing.
Preferably, the edge of the inner baffle 7 of the annular baffle 6 is rounded.
Preferably, the pendulum coupling frame 10 has rounded edges in the rotation direction.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a formula of splines door overspeed governor that opens and shuts pushes down which characterized in that: the device is composed of a bracket (1), a roller (2), a pendulum (3), elastic rubber (20) and a mounting and connecting frame (18); the support (1) comprises a connecting plate (4) and three roller connecting plates (5), wherein an oblique angle (22) is arranged on the back surface of the door connecting plate (4), a rotating shaft hole (19) is formed in the top of the door connecting plate, the rotating shaft hole (19) is matched with a rotating shaft (21) of an installation connecting frame (18), three roller connecting plates (5) are respectively arranged in the left, middle and right, an annular baffle (6) is arranged on the inner side of the right roller connecting plate (5-1), the main body of the annular baffle (6) is a circular ring, and two baffles (7) are symmetrically arranged in the circular ring; the main body of the roller (2) is a cylinder, a shaft (8) is arranged in the center of the left side of the cylinder, a long shaft (9) is arranged in the center of the right side of the cylinder, a pendulum bob connecting frame (10) is arranged at the top end of the long shaft (9), the pendulum bob connecting frame (10) is two rectangular plates (11), the rectangular plates (11) are perpendicular to the central axis of the long shaft (9), pendulum bob connecting holes (12) are formed in the rectangular plates (11), and inner limiting stop rods (13) and outer limiting stop rods (14) are arranged around the pendulum bob connecting holes (12); one end of the pendulum bob (3) is provided with a mass block (16), and the other end is provided with a pendulum bob connecting shaft (17); the pendulum bob (3) is arranged in a pendulum bob connecting frame (10) of the roller (2), the roller (2) is arranged in the bracket (1), and the roller (2) can rotate around a shaft under the constraint of a rotating shaft hole (15) on a roller connecting plate (5) of the bracket (1); the mounting and connecting frame (18) is a rectangular plate with a rotating shaft (21), one surface of the mounting and connecting frame is matched with the bracket (1), and the other surface of the mounting and connecting frame is matched with a door; the elastic rubber (20) is bonded on the connecting plate (4) and is arranged between the bracket (1) and the mounting connecting frame (18); install the back on the door, gyro wheel (2) and ground laminating, when the door opened and shut, gyro wheel (2) can drive gyro wheel (2) rotation with ground friction, when the door speed of opening and shutting exceeded the settlement speed, pendulum (3) outwards swung out under the centrifugal force effect, hang baffle (7) in support (1) ring baffle (6), gyro wheel (2) splines the back, under the friction force effect, support (1) revolute axle (21) are rotatory, make support (1) produce the holding down force, increase frictional force, realize the speed reduction to the door.
2. The rotation-stopping type door opening and closing speed limiter as claimed in claim 1, wherein: and the left, middle and right connecting plates of the roller connecting plate (5) are provided with rotating shaft holes (15).
3. The rotation-stopping type door opening and closing speed limiter as claimed in claim 1, wherein: the inner limiting stop rod (13) is arranged at the left lower part of the pendulum bob connecting hole (12) and is used for limiting the inward rotating angle of the pendulum bob (3).
4. The rotation-stopping type door opening and closing speed limiter as claimed in claim 1, wherein: the outer limiting stop rod (14) is arranged at the right lower part of the pendulum bob connecting hole (12) and used for limiting the outward rotating angle of the pendulum bob (3).
5. The rotation-stopping type door opening and closing speed limiter as claimed in claim 1, wherein: the mounting connecting frame (18) is connected with the door through bonding or threads.
6. The rotation-stopping type door opening and closing speed limiter as claimed in claim 1, wherein: the edge of the inner baffle (7) of the annular baffle (6) is provided with a fillet.
7. The rotation-stopping type door opening and closing speed limiter as claimed in claim 1, wherein: the edge of the pendulum connecting frame (10) in the rotating direction is provided with a round angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134958.2A CN109779436B (en) | 2019-02-24 | 2019-02-24 | Down-pressing rotation-stopping type door opening and closing speed limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134958.2A CN109779436B (en) | 2019-02-24 | 2019-02-24 | Down-pressing rotation-stopping type door opening and closing speed limiter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109779436A CN109779436A (en) | 2019-05-21 |
| CN109779436B true CN109779436B (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910134958.2A Active CN109779436B (en) | 2019-02-24 | 2019-02-24 | Down-pressing rotation-stopping type door opening and closing speed limiter |
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| Country | Link |
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| CN (1) | CN109779436B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541643B (en) * | 2019-09-12 | 2021-04-13 | 绍兴市华获智能装备有限公司 | Sliding door safety device based on centrifugal rotation principle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5084939A (en) * | 1990-11-14 | 1992-02-04 | Caterpillar Inc. | Door dampening assembly |
| CN2087668U (en) * | 1990-11-14 | 1991-10-30 | 陈南岭 | Pressure-acting friction type room door positioning device |
| JP3518930B2 (en) * | 1995-06-02 | 2004-04-12 | 株式会社ニフコ | Shock absorber for door |
| CN2592606Y (en) * | 2003-01-02 | 2003-12-17 | 广州日立电梯有限公司 | Two-way speed limiter for elevator |
| CN101649705A (en) * | 2009-09-02 | 2010-02-17 | 北京凯必盛自动门技术有限公司 | Damping device applied for manual revolving door |
| CN201891770U (en) * | 2010-11-19 | 2011-07-06 | 南通华新环保设备工程有限公司 | Centrifugal speed limiter |
| CN202689776U (en) * | 2012-08-23 | 2013-01-23 | 鹤山市安蒙卫浴科技有限公司 | Buffer device for shower door |
| CN104847207A (en) * | 2015-03-04 | 2015-08-19 | 林智勇 | Application method of automatic door stop |
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- 2019-02-24 CN CN201910134958.2A patent/CN109779436B/en active Active
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| CN109779436A (en) | 2019-05-21 |
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Effective date of registration: 20200717 Address after: 211100 No. 305, Anji street, Jiangning street, Jiangning District, Nanjing, Jiangsu. Applicant after: NANJING SIJIANING NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 210000 Qilin Science Park, Jiangning District, Nanjing City, Jiangsu Province, 803, Building 8, Qiaomengyuan Applicant before: NANJING YUNRUI AEROSPACE TECHNOLOGY Co.,Ltd. |
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