CN110029904B - Door closer capable of generating power - Google Patents

Door closer capable of generating power Download PDF

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Publication number
CN110029904B
CN110029904B CN201910182242.XA CN201910182242A CN110029904B CN 110029904 B CN110029904 B CN 110029904B CN 201910182242 A CN201910182242 A CN 201910182242A CN 110029904 B CN110029904 B CN 110029904B
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CN
China
Prior art keywords
telescopic
inner cylinder
spring
generator
outer cylinder
Prior art date
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Expired - Fee Related
Application number
CN201910182242.XA
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Chinese (zh)
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CN110029904A (en
Inventor
廖力达
谭奇
黄斌
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Publication date
Application filed by Changsha University of Science and Technology filed Critical Changsha University of Science and Technology
Priority to CN201910182242.XA priority Critical patent/CN110029904B/en
Publication of CN110029904A publication Critical patent/CN110029904A/en
Application granted granted Critical
Publication of CN110029904B publication Critical patent/CN110029904B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Type of wing
    • E05Y2900/132Doors

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses a door closer capable of generating power, which comprises a fixing piece, a telescopic inner cylinder, a telescopic outer cylinder, a generator, a transmission wheel and a spring door closing mechanism, wherein the fixing piece is fixed on the inner cylinder; one end of the telescopic inner cylinder is hinged with the fixing piece, the other end of the telescopic inner cylinder is inserted into the telescopic outer cylinder, and the telescopic inner cylinder can perform telescopic motion relative to the telescopic outer cylinder; the generator is provided with a generator rotating shaft which extends into the telescopic outer barrel and is connected with a driving wheel in the telescopic outer barrel, the telescopic inner barrel is in transmission connection with the driving wheel and drives the driving wheel to rotate through telescopic motion, and the rotation of the driving wheel can drive the generator rotating shaft to rotate and generate electricity; the spring door closing mechanism is used for enabling the telescopic inner cylinder to retract into the telescopic outer cylinder. The driving wheel is driven to rotate by the expansion of the telescopic outer cylinder, and the rotating shaft of the generator is driven to rotate to generate electricity, so that the recycling of the energy of opening and closing the door is realized; meanwhile, the resistance generated by the generator enables the door to be closed smoothly, so that the door and the door frame are protected, and the buffer effect is achieved.

Description

Door closer capable of generating power
Technical Field
The invention relates to a door closer, in particular to a door closer capable of generating power.
Background
Door closers are currently installed in many public and homes to allow doors to close automatically and protect the doors and door frames. Ordinary door closer does not possess the power generation function, and the energy of opening the door and closing the door is all wasted, and the door closer often can set up buffer gear, is favorable to the protection to door and door frame, but buffer gear's design makes the door closer structure too complicated again.
Disclosure of Invention
The present invention aims to solve the above technical problem at least to some extent. Therefore, the invention provides a door closer capable of generating power and having a buffering function.
The technical scheme adopted by the invention for solving the technical problems is as follows: a door closer capable of generating power comprises a fixing piece, a telescopic inner cylinder, a telescopic outer cylinder, a generator, a driving wheel and a spring door closing mechanism; one end of the telescopic inner cylinder is hinged with the fixing piece, the other end of the telescopic inner cylinder is inserted into the telescopic outer cylinder, and the telescopic inner cylinder can perform telescopic motion relative to the telescopic outer cylinder along the length direction of the telescopic inner cylinder; the generator is provided with a generator rotating shaft which extends into the telescopic outer cylinder and is connected with a driving wheel in the telescopic outer cylinder, the telescopic inner cylinder is in transmission connection with the driving wheel and drives the driving wheel to rotate through the telescopic movement of the telescopic inner cylinder relative to the telescopic outer cylinder, and the rotation of the driving wheel can drive the generator rotating shaft to rotate and generate electricity; the spring door closing mechanism is used for applying force to the telescopic inner cylinder or the telescopic outer cylinder to enable the telescopic inner cylinder to retract into the telescopic outer cylinder.
The energy-saving lamp is connected with the storage battery to obtain electric energy for illumination.
Further, the spring door closing mechanism is a first spring, one end of the first spring is connected with the telescopic inner cylinder, and the other end of the first spring is connected with the telescopic outer cylinder; the first spring always applies pulling force to the telescopic inner cylinder to enable the telescopic inner cylinder to retract into the telescopic outer cylinder.
Further, the spring door closing mechanism is a second spring, the telescopic outer barrel extends outwards to be provided with a connecting plate, one end of the second spring is connected with the fixing piece, and the other end of the second spring is connected with the connecting plate.
Furthermore, a circle of ratchets are arranged on the outer ring of the driving wheel, a row of pawls which are correspondingly matched with the ratchets are arranged on two sides of the inside of the telescopic inner cylinder in a hollow mode, the two rows of pawls are arranged in the length direction of the telescopic inner cylinder in an arrayed mode, the directions of the two rows of pawls are opposite to each other so as to respectively correspond to the front and back movement in the telescopic direction, the pawls are hinged to the inner wall of the telescopic inner cylinder, and a third spring is connected between the inner side of each.
Furthermore, the bottom surface of the telescopic inner cylinder is an opening for relative movement of the rotating shaft of the generator.
Furthermore, a positioning disc is fixedly installed in the telescopic outer cylinder, a bearing is installed on the positioning disc corresponding to the rotating shaft of the generator, and the rotating shaft of the generator is installed on the bearing in a penetrating mode.
The invention has the beneficial effects that: the driving wheel is driven to rotate through the telescopic motion of the telescopic inner cylinder relative to the telescopic outer cylinder, and the rotating shaft of the generator is driven to rotate to generate electricity, so that the recycling of the energy of opening and closing the door is realized; meanwhile, the resistance generated by the generator enables the door to be closed smoothly, so that the door and the door frame are protected, and the buffer effect is achieved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the external viewing structure of the present invention;
FIG. 3 is a partial cross-sectional view taken at A-A of FIG. 1;
FIG. 4 is an enlarged view at B of FIG. 3;
fig. 5 is a schematic structural diagram of a spring door closing mechanism of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 5, the door closer capable of generating power of the present invention includes a fixing member 1, a telescopic inner cylinder 2, a telescopic outer cylinder 3, a generator 4, a transmission wheel 5 and a spring door closing mechanism.
One end of the telescopic inner cylinder 2 is hinged to the fixing part 1, the other end of the telescopic inner cylinder is inserted into the telescopic outer cylinder 3, and the telescopic inner cylinder 2 can perform telescopic motion relative to the telescopic outer cylinder 3 along the length direction of the telescopic inner cylinder. Specifically, the fixing member 1 is plate-shaped, when the door closer is installed and used, the fixing member 1 is fixedly installed on a door frame, the fixing member 1 is provided with a hinged support 11, the end portion of the telescopic inner cylinder 2 is outwards provided with a hinged block 24, the hinged block 24 is hinged to the hinged support 11 through a rotating shaft, and during installation, the rotating axis of the hinged position is parallel to the rotating axis of the door. The telescopic inner cylinder 2 and the telescopic outer cylinder 3 are preferably cuboids, and a rectangular cavity matched with the telescopic inner cylinder 2 is arranged inside the telescopic outer cylinder 3.
The generator 4 is provided with a generator rotating shaft 41 which extends into the telescopic outer cylinder 3 and is connected with the driving wheel 5 in the telescopic outer cylinder 3, as shown in fig. 1, the top end of the generator rotating shaft 41 extends into the telescopic outer cylinder 3 and is connected with the driving wheel 5, and the driving wheel 5 is in transmission connection with the generator rotating shaft 41 through a key or other torque transmission structures. In order to improve the stability of the rotation of the generator rotating shaft 41, a positioning plate 9 is fixedly installed in the telescopic outer cylinder 3, a bearing is installed on the positioning plate 9 corresponding to the generator rotating shaft 41, the generator rotating shaft 41 penetrates through the bearing, as shown in fig. 1, the positioning plate 9 is fixedly installed on the bottom wall of the telescopic outer cylinder 3, and the generator 4 is installed in a shell 8 independent of the telescopic outer cylinder 3. In the design, the shell 8 is fixed on the door, and the telescopic outer cylinder 3 can rotate around the rotating shaft 41 of the generator relative to the shell 8.
The telescopic inner cylinder 2 is in transmission connection with the transmission wheel 5, the transmission wheel 5 is driven to rotate through the telescopic motion of the telescopic inner cylinder 2 relative to the telescopic outer cylinder 3, and the rotation of the transmission wheel 5 can drive the rotating shaft 41 of the generator to rotate and generate electricity. The transmission forms of the telescopic inner cylinder 2 and the transmission wheel 5 are various, in the embodiment, the structure is adopted, a circle of ratchets 51 are arranged on the outer ring of the transmission wheel 5, the inner part of the telescopic inner cylinder 2 is hollow, two rows of pawls 21 which are correspondingly matched with the ratchets 51 are respectively arranged on two sides of the inner part of the telescopic inner cylinder 2, the two rows of pawls 21 are arranged in a row along the length direction of the telescopic inner cylinder 2, the directions of the two rows of pawls 21 are opposite to each other so as to respectively correspond to the front and back movements in the telescopic direction, the pawls 21 are hinged with the inner wall of the telescopic inner cylinder 2, a third spring 22 is connected between the inner side of the pawls 21 and the inner wall of the telescopic inner cylinder 2, as shown in fig. 3 and 4, the inner end part of the left pawl 21 is hinged on the inner wall of the telescopic inner cylinder 2, the end part of the left pawl 21 is crescent-shaped, the end part of the left pawl 21 is arranged downwards, and the right pawl 21 only faces opposite to the left pawl. As shown in fig. 4, the pawl 21 has its outer end corresponding to the position of the ratchet 51 in the vertical direction when acted upon by only the third spring 22. When the telescopic inner cylinder 2 extends into the telescopic outer cylinder 3, the right pawl leans against the ratchet 51 and is extruded by the ratchet 51 to rotate inwards, the end part of the outer end of the left pawl 21 is contacted with the ratchet 51 and acts to drive the transmission wheel 5 to rotate, on the contrary, when the telescopic inner cylinder 2 extends out of the telescopic outer cylinder 3, the right pawl 21 acts to drive the transmission wheel 5 to rotate anticlockwise (see fig. 3), and the rotating direction of the transmission wheel is the same as that when the telescopic inner cylinder 2 extends into the telescopic outer cylinder 3. When the telescopic inner cylinder 2 is telescopic, the concessional purpose of avoiding the generator rotating shaft 41 needs to be designed, in this embodiment, as shown in fig. 1 and fig. 2, the bottom surface and the right side surface of the telescopic inner cylinder 2 are openings for the generator rotating shaft 41 to move. Of course, in other embodiments, a concession slot extending along the length of the bottom wall of the telescopic inner cylinder 2 can be designed to achieve the same technical effect. In other embodiments, the transmission form of the telescopic inner cylinder 2 and the transmission wheel 5 can also be a form of a gear and a rack, a spur rack is arranged on one side of the telescopic inner cylinder 2, and the transmission wheel 5 is a gear which is matched and meshed with the spur rack, so that the telescopic inner cylinder 2 can drive the transmission wheel 5 to rotate.
The spring door closing mechanism is used for applying force to the telescopic inner cylinder 2 or the telescopic outer cylinder 3 to enable the telescopic inner cylinder 2 to retract into the telescopic outer cylinder 3, in the embodiment, as shown in fig. 3, the spring door closing mechanism is a first spring 23, one end of the first spring 23 is connected with the telescopic inner cylinder 2, and the other end of the first spring 23 is connected with the inner end of the telescopic outer cylinder 3; the first spring 23 always applies a pulling force to the telescopic inner cylinder 2 to make it retract into the telescopic outer cylinder 3. As another embodiment of the spring door closing mechanism, as shown in fig. 5, the spring door closing mechanism is a second spring 32, the telescopic outer cylinder 3 is provided with a connecting plate 31 extending outward, one end of the second spring 32 is connected to the fixing member 1, the other end is connected to the connecting plate 31, the second spring 32 applies a pulling force to the telescopic inner cylinder 2 to retract the telescopic inner cylinder 3, and the connecting plate 31 is preferably provided at the upper end of the telescopic outer cylinder 3.
In this embodiment, in order to facilitate night illumination, the energy-saving lamp 7 and the storage battery 6 are further included in the design, the storage battery 6 is connected with the generator 4 to store electric energy, the energy-saving lamp 7 is connected with the storage battery 6 to obtain electric energy for illumination, the storage battery 6 is installed in the shell 8, and the energy-saving lamp 7 is installed on the outer wall of the shell 8. The energy-saving lamp 7 is mainly used for getting up at night, only weak light is needed for not influencing sleep, the required electric energy is small, and therefore the electric quantity generated by opening and closing the door is enough.
The above embodiments are only for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement without departing from the spirit and scope of the present invention should be covered within the technical solutions of the present invention.

Claims (1)

1. A door closer that can generate electricity which characterized in that: comprises a fixing piece (1), a telescopic inner cylinder (2), a telescopic outer cylinder (3), a generator (4), a transmission wheel (5) and a spring door closing mechanism;
one end of the telescopic inner cylinder (2) is hinged with the fixing piece (1), the other end of the telescopic inner cylinder is inserted into the telescopic outer cylinder (3), and the telescopic inner cylinder (2) can perform telescopic motion relative to the telescopic outer cylinder (3) along the length direction of the telescopic inner cylinder;
the generator (4) is provided with a generator rotating shaft (41) which extends into the telescopic outer cylinder (3) and is connected with the driving wheel (5) in the telescopic outer cylinder (3), the telescopic inner cylinder (2) is in transmission connection with the driving wheel (5) and drives the driving wheel (5) to rotate through the telescopic movement of the telescopic inner cylinder (2) relative to the telescopic outer cylinder (3), and the rotation of the driving wheel (5) can drive the generator rotating shaft (41) to rotate and generate electricity;
the spring door closing mechanism is used for applying force to the telescopic inner cylinder (2) or the telescopic outer cylinder (3) to enable the telescopic inner cylinder (2) to retract into the telescopic outer cylinder (3);
a circle of ratchets (51) are arranged on the outer ring of the transmission wheel (5), the inner part of the telescopic inner cylinder (2) is hollow, two rows of pawls (21) which are correspondingly matched with the ratchets (51) are respectively arranged on two sides of the inner part of the telescopic inner cylinder, the two rows of pawls (21) are arranged along the length direction of the telescopic inner cylinder (2), the two rows of pawls (21) face opposite directions to respectively correspond to the forward and backward movement in the telescopic direction, the pawls (21) are hinged with the inner wall of the telescopic inner cylinder (2), and a third spring (22) is connected between the inner side of each pawl (21) and the inner wall of the telescopic inner cylinder (2);
a positioning disc (9) is fixedly arranged in the telescopic outer cylinder (3), a bearing is arranged on the positioning disc (9) corresponding to the rotating shaft (41) of the generator, and the rotating shaft (41) of the generator is arranged on the bearing in a penetrating manner; the solar energy storage system is characterized by further comprising a storage battery (6) and an energy-saving lamp (7), wherein the storage battery (6) is connected with the generator (4) to store electric energy, and the energy-saving lamp (7) is connected with the storage battery (6) to obtain the electric energy for illumination;
the spring door closing mechanism is a first spring (23), one end of the first spring (23) is connected with the telescopic inner cylinder (2), and the other end of the first spring (23) is connected with the telescopic outer cylinder (3); the first spring (23) always applies pulling force to the telescopic inner cylinder (2) to enable the telescopic inner cylinder to be retracted into the telescopic outer cylinder (3);
or
The spring door closing mechanism is a second spring (32), the telescopic outer cylinder (3) extends outwards to be provided with a connecting plate (31), one end of the second spring (32) is connected with the fixing piece (1), and the other end of the second spring (32) is connected with the connecting plate (31);
the bottom surface of the telescopic inner cylinder (2) is provided with an opening for the relative movement of the rotating shaft (41) of the generator.
CN201910182242.XA 2019-03-07 2019-03-07 Door closer capable of generating power Expired - Fee Related CN110029904B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910182242.XA CN110029904B (en) 2019-03-07 2019-03-07 Door closer capable of generating power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910182242.XA CN110029904B (en) 2019-03-07 2019-03-07 Door closer capable of generating power

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CN110029904B true CN110029904B (en) 2021-09-24

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI828293B (en) * 2022-08-31 2024-01-01 一德金屬工業股份有限公司 Door bow device that can control closing speed
CN117862165B (en) * 2024-03-11 2024-06-11 福建爱的电器有限公司 Uncapping structure and portable cleaning machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1106890A (en) * 1992-03-23 1995-08-16 索马斯实业公司 Easy opening door control
JP2005124347A (en) * 2003-10-20 2005-05-12 Nippon Telegr & Teleph Corp <Ntt> Opening/closing component provided with power generating mechanism
CN201007170Y (en) * 2006-12-26 2008-01-16 李振江 Doors with electric generating apparatus
CN201173170Y (en) * 2008-01-22 2008-12-31 广东工业大学 Door-opening and closing power generation and electric power storage device
CN202965993U (en) * 2012-12-20 2013-06-05 孙延红 Self-electricity-generating device of electric vehicles and self-electricity-generating electric vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201754519U (en) * 2010-07-05 2011-03-02 徐泽宏 Door opening/closing extrusion-type self power generating device
CN105711428A (en) * 2014-12-02 2016-06-29 陕西银河网电科技有限公司 Electric bus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1106890A (en) * 1992-03-23 1995-08-16 索马斯实业公司 Easy opening door control
JP2005124347A (en) * 2003-10-20 2005-05-12 Nippon Telegr & Teleph Corp <Ntt> Opening/closing component provided with power generating mechanism
CN201007170Y (en) * 2006-12-26 2008-01-16 李振江 Doors with electric generating apparatus
CN201173170Y (en) * 2008-01-22 2008-12-31 广东工业大学 Door-opening and closing power generation and electric power storage device
CN202965993U (en) * 2012-12-20 2013-06-05 孙延红 Self-electricity-generating device of electric vehicles and self-electricity-generating electric vehicle

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