CN109441973B - Ball clutch structure applied to door closer - Google Patents
Ball clutch structure applied to door closer Download PDFInfo
- Publication number
- CN109441973B CN109441973B CN201811525522.8A CN201811525522A CN109441973B CN 109441973 B CN109441973 B CN 109441973B CN 201811525522 A CN201811525522 A CN 201811525522A CN 109441973 B CN109441973 B CN 109441973B
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- CN
- China
- Prior art keywords
- piece
- clutch
- output
- ball
- tooth
- 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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Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 239000004579 marble Substances 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000003475 lamination Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
-
- 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
-
- 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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a ball clutch structure of an automatic clutch, which comprises an output tooth plate, a central piece, an output piece and a plurality of balls, wherein a plurality of grooves are concavely formed in one surface of the central piece, and each groove is provided with a through hole penetrating through the other surface of the central piece; the center piece is provided with a first bearing with a marble screw, and the marble screw is propped against the outer side surface of the center piece to provide resistance; the output tooth plate, the central piece and the output piece are in laminated fit, a plurality of clutch convex parts are arranged on one surface of the output tooth plate corresponding to the central piece, and a plurality of clutch concave parts are arranged on one surface of the output piece corresponding to the central piece; the ball is arranged in the groove, and the clutch convex part drives the ball to form clutch connection with the clutch concave part. When the power is on, the clutch structure is driven by the driving motor to finish automatic opening or closing of the door; under the outage state, the ball can drop automatically and can not be connected with the output piece, and the door can be opened easily without great force under the outage condition, so that the door opening device is very convenient to use.
Description
Technical Field
The invention relates to the clutch field technology, in particular to a ball clutch structure of an automatic clutch.
Background
The electric door closer is also called an automatic door closing releaser, an electric releaser and the like, and is a mechanism for automatically opening or closing a door leaf in an electric control mode. However, the parts of the existing door closer are kept connected in the case of power failure, and if the door is opened in the power failure state, a great force is required to push the door open, so that the door is very inconvenient to use.
Disclosure of Invention
In view of the above, the present invention aims at overcoming the drawbacks of the prior art, and its main objective is to provide a ball clutch structure of an automatic clutch, which has a reasonable structural arrangement, and can effectively solve the problem that the door needs to be opened with a great force when the door is opened in the power-off state in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the ball clutch structure of the automatic clutch comprises an output tooth plate, a central piece, an output piece and a plurality of balls, wherein a plurality of grooves are concavely formed in one surface of the central piece, and a through hole penetrating through the other surface of the central piece is formed in the left end and the right end of each groove; the center piece is provided with a first bearing with a marble screw, and the marble screw is propped against the outer side surface of the center piece to provide resistance; the output tooth plate, the central piece and the output piece are formed by lamination and matched installation, a plurality of clutch convex parts are arranged on one surface of the output tooth plate corresponding to the central piece, and a plurality of clutch concave parts are arranged on one surface of the output piece corresponding to the central piece; the ball is arranged in the groove, and the clutch convex part is rotated to drive the ball to form clutch connection with the clutch concave part.
As a preferred embodiment: the left side and the right side of the clutch convex part incline inwards to form a convex tooth structure with a first inclined plane, and the left side and the right side of the groove are provided with a second inclined plane which is attached to the first inclined plane.
As a preferred embodiment: the number of the balls in the grooves is two, the balls are separated on the left side and the right side of the clutch convex part, and when the output tooth plate and the center piece are laminated, the distance between the top surface of the clutch convex part and the bottom surface of the groove is smaller than the diameter of the balls.
As a preferred embodiment: the depth of the clutch recess is smaller than the diameter of the ball.
As a preferred embodiment: the middle part of the output tooth piece is penetrated and provided with a first limiting hole, the bottom surface of the center piece downwards extends to form a first limiting part, the first limiting part is assembled in the first limiting hole, and the first bearing is assembled at the tail end of the first limiting part.
As a preferred embodiment: the center piece is provided with a second limiting hole in a penetrating mode, the bottom face of the output piece is provided with a second limiting portion, and the second limiting portion is assembled in the second limiting hole.
As a preferred embodiment: the top surface of the output piece is provided with a second bearing in an upward extending way, and the output piece is provided with a pin joint hole for pin joint of the rocker arm in a penetrating way.
As a preferred embodiment: the driving motor is connected with a worm, the worm is meshed with the first tooth set, the first tooth set is meshed with the second tooth set, and the second tooth set is meshed with the output tooth plate.
As a preferred embodiment: the protective shell is composed of a bottom shell and an upper cover; the upper cover is assembled on the bottom shell to form a mounting cavity, and each part is accommodated in the mounting cavity.
As a preferred embodiment: the bottom shell and the upper cover are assembled in a snap-fit mode or a screw fastening mode.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows: the clutch structure is connected with a rocker arm connected with the door plate through the arranged ball clutch structure, and the connection relationship among the output tooth plate, the central piece, the output piece and the balls is utilized; the clutch structure is driven by the driving motor to automatically open or close the door; if the door closer is in the manual opening door under the state of outage, the ball can drop automatically and can not be connected with the output piece, compare in the door closer that each spare part is in the connected state in the past, open the door under the outage condition and also can easily open the door with very big power not need, it is very convenient to use. And the center piece is provided with a first bearing with a marble screw, when the output tooth piece rotates, certain resistance can be provided for the center piece, and the center piece cannot rotate due to inertia caused by rotation of the output tooth piece, so that the output tooth piece can drive the balls in the grooves of the center piece to slide upwards and then synchronously rotate after being connected with the output piece.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the present invention.
FIG. 2 is an exploded view of the clutch structure of the preferred embodiment of the present invention.
FIG. 3 is another angular exploded view of the clutch structure of the preferred embodiment of the present invention.
FIG. 4 is a first state diagram of the clutch structure according to the preferred embodiment of the present invention.
FIG. 5 is a schematic view of a clutch structure according to a second embodiment of the present invention.
FIG. 6 is a third state diagram of the clutch structure according to the preferred embodiment of the present invention.
The attached drawings are used for identifying and describing: 10. the output tooth plate 11, the clutch convex portion 111, the first inclined surface 12, the first limit hole 20, the center piece 21, the groove 211, the second inclined surface 22, the through hole 23, the first limit portion 24, the first bearing 241, the ball screw 25, the second limit hole 30, the output piece 31, the clutch concave portion 32, the second limit portion 33, the second bearing 34, the pivot hole 40, the ball 50, the driving motor 51, the worm 60, the first tooth group 70, the second tooth group 80, the protective shell 801, the mounting cavity 81, the bottom shell 812, the escape hole 811, the motor mounting position 82, and the upper cover.
Detailed Description
Referring to fig. 1 to 6, a specific structure of a preferred embodiment of the present invention is shown, which is a ball clutch structure of an automatic clutch, comprising an output tooth plate 10, a center member 20, an output member 30 and balls 40.
Wherein: a plurality of grooves 21 are concavely formed on one surface of the central member 20, and a through hole 22 penetrating through the other surface of the central member 20 is formed at the left and right ends of each groove 21; the center piece 20 is provided with a first bearing 24 with a ball screw 241, the ball screw 241 being abutted against the outer side surface of the center piece 20 to provide resistance. The output tooth plate 10, the central piece 20 and the output piece 30 are formed by lamination and matched installation, a plurality of clutch convex parts 11 are arranged on one surface of the output tooth plate 10 corresponding to the central piece 20, and a plurality of clutch concave parts 31 are arranged on one surface of the output piece 30 corresponding to the central piece 20; the balls 40 are disposed in the grooves 21, and the rotational clutch convex portion 11 drives the balls 40 to form clutch connection with the clutch concave portion 31.
In this embodiment, the left and right sides of the clutch protrusion 11 are inclined inwards to form a tooth structure with a first inclined plane 111, the left and right sides of the groove 21 are provided with a second inclined plane 211 attached to the first inclined plane 111, and when the output tooth 10 rotates, the balls 40 can move upwards through the through holes 22 to be clamped in the clutch recess 31 by using the first inclined plane 111 and the second inclined plane 211 to form a connection. Specifically, the number of the balls 10 is two, which are arranged in the grooves 21, and when the output tooth plate 10 and the central piece 20 are in lamination fit, the distance between the top surface of the clutch convex part 11 and the bottom surface of the grooves 21 is smaller than the diameter of the balls 40, and the balls 40 are separated on the left side and the right side of the clutch convex part 11; the two balls 40 are not located on the same side of the clutch protrusion 11 when the clutch protrusion 11 moves within the groove 21.
The depth of the clutch recess 31 is smaller than the diameter of the ball 40, more specifically, the diameter of the clutch recess 31 is set to be capable of accommodating the ball 40, and the depth is between one third and two thirds of the diameter of the ball 40; in this way, when in the "engaged" state, a part of the balls 40 is clamped in the through holes 22, and the other part is clamped in the clutch recess 31, so as to drive the output member 30 to rotate.
A first limiting hole 13 is formed in the middle of the output tooth plate 10 in a penetrating manner, a first limiting portion 23 extends downwards from the bottom surface of the center piece 20, the first limiting portion 23 is assembled in the first limiting hole 13, and a first bearing 241 is assembled at the tail end of the first limiting portion 23; specifically, the ball screw 241 can abut against the outer surface of the first limiting portion 23 to provide resistance to the center piece 20; when the output tooth 10 rotates, a certain resistance can be provided for the central piece 20, and the central piece 20 cannot generate inertial rotation due to the rotation of the output tooth 10, so that the output tooth 10 can drive the balls 40 in the grooves 21 of the central piece 20 to slide upwards and be connected with the output piece 30, and then synchronously rotate.
The center piece 20 is provided with a second limiting hole 25 in a penetrating manner, the bottom surface of the output piece 30 is provided with a second limiting portion 32, and the second limiting portion 32 is assembled in the second limiting hole 25. The top surface of the output member 30 extends upwards to install a second bearing 33, the output member 30 is provided with a pivot hole 34 for pivoting the rocker arm, one end of the rocker arm connected to the door panel is pivoted in the pivot hole 34, and the clutch structure drives the rocker arm to swing to realize automatic door opening or closing operation.
Further comprises a driving motor 50, a first tooth set 60, a second tooth set 70 and a protective shell 80, wherein a worm 51 is connected with a main shaft of the driving motor 50, the worm 51 is meshed with the first tooth set 60, the first tooth set 60 is meshed with the second tooth set 70, and the second tooth set 70 is meshed with the output tooth sheet 10. The protective shell 80 consists of a bottom shell 81 and an upper cover 82; the upper cover 82 is assembled on the bottom case 81 to form a mounting cavity 801, and each component is accommodated in the mounting cavity 801. The bottom shell 81 and the upper cover 82 are assembled by a buckle type assembly or a screw fastening assembly; one side of the bottom case 81 is provided with a motor mounting position 811 penetrating through the avoidance hole 812, and the main shaft of the driving motor 50 extends into the mounting cavity 801 through the avoidance hole 812.
The working principle of the invention is as follows: the ball clutch structure has three states in total, in the first state, (see fig. 4) the balls 40 are not clamped between the through holes 22 and the clutch concave parts 31 by the clutch convex parts 11; in this case, the output member 30 and the center member 20 are not engaged with each other by the balls 40, in this state, even if the driving motor 50 for driving the output gear 10 to rotate is in the power-off state, only the output member is connected to the rocker arm connected to the door panel, and the output member is disconnected from the other parts of the clutch mechanism and the motor, so that the user can easily open the door with little force, in the second state, (see fig. 5), the driving motor 50 drives the output gear 10 to rotate, and in the rotating process, the clutch protrusion 11 drives one of the balls 40 to move upwards to be engaged between the through hole 22 and the clutch recess 31 so as to drive the center member 20 and the output member 30 to rotate in the same direction, and in this case, the rocker arm pivoted to the output member 30 can realize door opening or door closing due to the rotation of the clutch structure.
In the third state, (see fig. 5) the driving motor 50 drives the output gear 10 to rotate, and in the rotating process, the clutch convex portion 11 drives the balls 40 on the other side to move upwards and be clamped between the through hole 22 and the clutch concave portion 31 to drive the center piece 20 and the output piece 30 to rotate in the same direction, and at this time, the rocker arm pivoted to the output piece 30 can realize door opening or door closing due to rotation of the clutch structure.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.
Claims (1)
1. The utility model provides a ball clutch structure of automatic clutch which characterized in that: the device comprises an output tooth piece (10), a central piece (20), an output piece (30) and a plurality of balls (40), wherein a plurality of grooves (21) are concavely formed in one surface of the central piece (20), and a through hole (22) penetrating through the other surface of the central piece (20) is formed in the left end and the right end of each groove (21); the center piece (20) is provided with a first bearing (24) with a marble screw (241), and the marble screw (241) is propped against the outer side surface of the center piece (20) to provide resistance;
The output tooth plate (10), the central piece (20) and the output piece (30) are formed by lamination and matching, a plurality of clutch convex parts (11) are arranged on one surface of the output tooth plate (10) corresponding to the central piece (20), and a plurality of clutch concave parts (31) are arranged on one surface of the output piece (30) corresponding to the central piece (20); the ball (40) is arranged in the groove (21), the rotational clutch convex part (11) drives the ball (40) to form clutch connection with the clutch concave part (31),
The left and right sides of the clutch convex part (11) incline inwards to form a convex tooth structure with a first inclined plane (111), the left and right sides of the groove (21) are provided with a second inclined plane (211) which is jointed with the first inclined plane (111),
The number of the balls (40) in the groove (21) is two, the balls (40) are separated on the left side and the right side of the clutch convex part (11), when the output tooth plate (10) and the central piece (20) are laminated, the distance between the top surface of the clutch convex part (11) and the bottom surface of the groove (21) is smaller than the diameter of the balls,
The depth of the clutch recess (31) is smaller than the diameter of the ball (40),
A first limiting hole (12) is penetrated in the middle of the output tooth plate, a first limiting part (23) is downwards extended from the bottom surface of the center piece (20), the first limiting part (23) is assembled in the first limiting hole (12), a first bearing (24) is assembled at the tail end of the first limiting part (23),
The center piece (20) is provided with a second limiting hole (25) in a penetrating way, the bottom surface of the output piece (30) is provided with a second limiting part (32), the second limiting part (32) is assembled in the second limiting hole (25),
The top surface of the output piece (30) is provided with a second bearing (33) in an extending way, the output piece (30) is provided with a pin joint hole (34) for pin joint of the rocker arm in a penetrating way,
The device also comprises a driving motor (50), a first tooth set (60) and a second tooth set (70), wherein a main shaft of the driving motor (50) is connected with a worm (51), the worm (51) is meshed with the first tooth set (60), the first tooth set (60) is meshed with the second tooth set (70), the second tooth set (70) is meshed with the output tooth plate (10),
The device also comprises a protective shell (80), wherein the protective shell (80) consists of a bottom shell (81) and an upper cover (82); the upper cover (82) is assembled on the bottom shell (81) to form a mounting cavity (801), each part is accommodated in the mounting cavity (801),
The bottom shell (81) and the upper cover (82) are assembled in a snap-fit mode,
One side of the bottom shell (81) is provided with a motor installation position (811) penetrating through the avoidance hole (812), and a main shaft of the driving motor (50) penetrates through the avoidance hole (812) and extends into the installation cavity (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811525522.8A CN109441973B (en) | 2018-12-13 | 2018-12-13 | Ball clutch structure applied to door closer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811525522.8A CN109441973B (en) | 2018-12-13 | 2018-12-13 | Ball clutch structure applied to door closer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109441973A CN109441973A (en) | 2019-03-08 |
| CN109441973B true CN109441973B (en) | 2024-06-04 |
Family
ID=65556677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811525522.8A Active CN109441973B (en) | 2018-12-13 | 2018-12-13 | Ball clutch structure applied to door closer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441973B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081093B (en) * | 2019-05-22 | 2024-08-27 | 武义福旺来工贸有限公司 | Automatic clutch device applied to electric door and window |
| CN110454518A (en) * | 2019-07-25 | 2019-11-15 | 浙江省永康市金都工贸有限公司 | A kind of clutch of water drilling machine |
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|---|---|---|---|---|
| CN200952538Y (en) * | 2006-06-30 | 2007-09-26 | 宁波通达电器开关厂 | Bidirectional clutch |
| CN101457802A (en) * | 2007-12-13 | 2009-06-17 | 西南大学 | Self-adapting cam push rod clutch |
| JP2013029189A (en) * | 2011-07-27 | 2013-02-07 | Pubot Giken:Kk | Safe electric actuator for boosting actuating force |
| EP2712997A2 (en) * | 2012-10-01 | 2014-04-02 | Hetal-Werke Franz Hettich GmbH & Co. KG | Motion device for a mobile element of a furniture |
| CN104695795A (en) * | 2013-12-09 | 2015-06-10 | 庆安集团有限公司 | Electric cabin door pushrod device with manual input function |
| CN107947456A (en) * | 2017-12-27 | 2018-04-20 | 东莞市秦基减速电机有限公司 | A kind of decelerating motor of compact |
| CN108412914A (en) * | 2018-03-30 | 2018-08-17 | 东莞市秦基减速电机有限公司 | Automatic clutch |
| CN209370320U (en) * | 2018-12-13 | 2019-09-10 | 东莞市秦基减速电机有限公司 | The ball clutch structure of automatic clutch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2397355B (en) * | 2003-01-14 | 2006-04-05 | Samar Systems Ltd | Rotary coupling |
-
2018
- 2018-12-13 CN CN201811525522.8A patent/CN109441973B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200952538Y (en) * | 2006-06-30 | 2007-09-26 | 宁波通达电器开关厂 | Bidirectional clutch |
| CN101457802A (en) * | 2007-12-13 | 2009-06-17 | 西南大学 | Self-adapting cam push rod clutch |
| JP2013029189A (en) * | 2011-07-27 | 2013-02-07 | Pubot Giken:Kk | Safe electric actuator for boosting actuating force |
| EP2712997A2 (en) * | 2012-10-01 | 2014-04-02 | Hetal-Werke Franz Hettich GmbH & Co. KG | Motion device for a mobile element of a furniture |
| CN104695795A (en) * | 2013-12-09 | 2015-06-10 | 庆安集团有限公司 | Electric cabin door pushrod device with manual input function |
| CN107947456A (en) * | 2017-12-27 | 2018-04-20 | 东莞市秦基减速电机有限公司 | A kind of decelerating motor of compact |
| CN108412914A (en) * | 2018-03-30 | 2018-08-17 | 东莞市秦基减速电机有限公司 | Automatic clutch |
| CN209370320U (en) * | 2018-12-13 | 2019-09-10 | 东莞市秦基减速电机有限公司 | The ball clutch structure of automatic clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109441973A (en) | 2019-03-08 |
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Effective date of registration: 20240401 Address after: No. 15 Youth Road, Tianshan District, Urumqi City, Xinjiang Uygur Autonomous Region, 830000 Applicant after: Wang Zhenhuan Country or region after: China Address before: 523000 4th floor, block 3, building I, Yinyang Industrial Zone, Zhangmutou town, Dongguan City, Guangdong Province Applicant before: DONGGUAN QINJI GEAR MOTOR Co.,Ltd. Country or region before: China |
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Effective date of registration: 20240511 Address after: No.10, Jinqiao North Road, Jinsheng Industrial Park, Jinli Town, Gaoyao District, Zhaoqing City, Guangdong Province 526100 Applicant after: Kaida hardware technology (Guangdong) Co.,Ltd. Country or region after: China Address before: No. 15 Youth Road, Tianshan District, Urumqi City, Xinjiang Uygur Autonomous Region, 830000 Applicant before: Wang Zhenhuan Country or region before: China |
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