CN114809845A - Self-lubricating silent door closer and mounting method thereof - Google Patents

Self-lubricating silent door closer and mounting method thereof Download PDF

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Publication number
CN114809845A
CN114809845A CN202210502503.3A CN202210502503A CN114809845A CN 114809845 A CN114809845 A CN 114809845A CN 202210502503 A CN202210502503 A CN 202210502503A CN 114809845 A CN114809845 A CN 114809845A
Authority
CN
China
Prior art keywords
sleeve
lubricating
door
self
connecting seat
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.)
Pending
Application number
CN202210502503.3A
Other languages
Chinese (zh)
Inventor
丁泽成
王文广
周东珊
章枫
蔡帅帅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Yasha Decoration Co Ltd
Original Assignee
Zhejiang Yasha Decoration Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Yasha Decoration Co Ltd filed Critical Zhejiang Yasha Decoration Co Ltd
Priority to CN202210502503.3A priority Critical patent/CN114809845A/en
Publication of CN114809845A publication Critical patent/CN114809845A/en
Pending legal-status Critical Current

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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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • 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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • 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
    • F16N—LUBRICATING
    • F16N19/00—Lubricant containers for use in lubricators or lubrication systems
    • 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
    • F16N—LUBRICATING
    • F16N9/00—Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent
    • 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
    • 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
    • E05Y2900/148—Windows

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

The invention discloses a self-lubricating mute door closer and an installation method thereof, and relates to the field of door closers. Self-lubricating silence door closer, including the sleeve and install the tube of closing in the sleeve, install lubricated box on the sleeve, lubricated box with the contact of tube of closing is connected. The working principle of the invention is that the second connecting seat on the sleeve is a rotating shaft, the rotating shaft is driven to rotate when the door leaf rotates, and the door leaf opening force compresses the stroke of the closing tube to press the closing tube into the sleeve; after the maximum stroke is reached, the door closing pipe is pushed by hydraulic pressure to close the door leaf, the door leaf is always kept to be closed at a constant speed through the friction of mechanisms such as a water-permeable plugging substance and the like due to the gradual reduction of the pressure, and in the opening and closing process of the door leaf, the water-permeable plugging substance uniformly coats lubricating liquid on the door closing pipe to realize the maintenance function; meanwhile, due to the existence of the permeable plugging object, the door closing pipe realizes non-rigid connection, the whole noise is extremely low, and the mute function is realized.

Description

Self-lubricating silent door closer and mounting method thereof
Technical Field
The invention discloses a self-lubricating mute door closer and an installation method thereof, and relates to the field of door closers.
Background
The door closer is a spring-like hydraulic device arranged on the door and window, can be released after being compressed after the door is opened, and can automatically close the door, and the door closer can accurately and timely close to an initial position after being opened under the action of a spring-like door. The door closer has the significance of not only automatically closing the door, but also protecting the door frame and the door body from being closed smoothly, and is mainly used in commercial and public buildings, but also in the case of being used at home. They have many uses, the most important of which is to have doors that close themselves to limit the spread of fire and ventilation within the building.
A connecting arm and a hydraulic box are installed on a door frame and a door leaf through a connecting seat, and the effect of controlling the opening and closing speed of the door leaf is achieved by arranging the connecting arm to rotate through the hydraulic box. There is a problem in that the link arm is exposed to the outside for a long time and is easily damaged; and the connecting arm needs frequent lubrication inspection to ensure the functional effect of the door closer, and the door closer needs to be maintained once every 10 days in common public places, so that the use cost is greatly increased, and inconvenience is caused. Meanwhile, the door closer can make loud sound due to the structural characteristics when the door and the window are opened and closed, and the door and the window cannot be kept quiet when being used indoors.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a self-lubricating mute door closer.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a self-lubricating silence door closer, includes the sleeve and installs the tube that closes in the sleeve, install lubricated box on the sleeve, lubricated box with close the contact of tube and be connected.
Further, the sleeve comprises a front sleeve and a rear sleeve, the front sleeve comprises a first circumferential wall and a first end wall integrally arranged at one end of the first circumferential wall, and the other end of the first circumferential wall is a first open end;
the first end part wall is provided with a piston hole which is coaxial with the first circumferential wall, the rear sleeve comprises a second circumferential wall and a second end part wall which is integrally arranged at one end of the second circumferential wall, and the other end of the second circumferential wall is a second opening end;
first open end and second open end dock mutually, and the periphery of first open end is provided with the external screw thread, and the inner periphery of second open end is provided with the internal thread, preceding sleeve passes through threaded connection with the back sleeve and fixes.
Further, the door closing pipe comprises a piston and a rod, the piston is installed in the rear sleeve, the periphery of the piston is in sliding fit with the second circumferential wall, hydraulic medium is filled between the piston and the second end wall of the rear sleeve, and the rod is connected to the piston and extends along the axis of the sleeve and penetrates out of the piston hole of the first end wall.
Furthermore, the front end of the rod is provided with a first connecting seat, the first connecting seat is hinged with the rod, the outer side of the second end wall of the rear sleeve is provided with a second connecting seat, and the second connecting seat is hinged with the second end wall.
Furthermore, the lubrication box is annular and hollow, the lubrication box is sleeved on the door closing pipe and is positioned in the sleeve, the inner peripheral wall of the lubrication box is provided with a leakage hole, and the leakage hole is filled with a water-permeable plugging object.
Furthermore, the leakage hole is arranged along the circumferential direction, and the water-permeable plugging object is annular and is clamped in the leakage hole.
Further, the water-permeable plugging object is a felt.
Furthermore, a protruding part is arranged between the front ends of the lubricating box and the sleeve, and the front ends of the lubricating box and the sleeve are spaced by the protruding part.
Furthermore, a first liquid filling port is formed in the peripheral wall of the lubricating box, a second liquid filling port corresponding to the first liquid filling port is formed in the sleeve, and an oil filling plug used for sealing the first liquid filling port and the second liquid filling port is arranged on the sleeve; the lubricating box is characterized in that a positioning strip is arranged on the peripheral wall of the lubricating box, a positioning groove is formed in the inner side of the sleeve and is arranged along the axis, and the posture and the position of the lubricating box are limited through the matching of the positioning groove and the positioning strip, so that the first liquid adding opening and the second liquid adding opening are in butt joint.
Based on the same invention concept, the invention also provides an installation method of the self-lubricating mute door closer, which comprises the following steps:
1. opening the door leaf to a limit angle position, and confirming the connecting position of the first connecting seat at the top;
2. connecting the sleeve to the door frame through a second connecting seat, and pre-fixing the first connecting seat on the door leaf;
3. through the position of adjustment first connecting seat, set up door leaf opening power size to suitable interval back, fixed first connecting seat accomplishes the installation.
Has the advantages that:
the working principle of the invention is that the second connecting seat on the sleeve is a rotating shaft, the rotating shaft is driven to rotate when the door leaf rotates, and the door leaf opening force compresses the stroke of the closing tube to press the closing tube into the sleeve; after the maximum stroke is reached, the door closing pipe is pushed by hydraulic pressure to close the door leaf, the door leaf is always kept to be closed at a constant speed through the friction of mechanisms such as a water-permeable plugging substance and the like due to the gradual reduction of the pressure, and in the opening and closing process of the door leaf, the water-permeable plugging substance uniformly coats lubricating liquid on the door closing pipe to realize the maintenance function; meanwhile, due to the existence of the permeable plugging object, the door closing pipe realizes non-rigid connection, the whole noise is extremely low, and the mute function is realized.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a perspective view of the lubrication box of the present invention;
description of reference numerals: the sleeve comprises a sleeve 1, a front sleeve 11, a first circumferential wall 111, a second filling opening 1111, a positioning groove 1112, a first end wall 112, a piston hole 1121, a first opening end 113, a rear sleeve 12, a second circumferential wall 121, a second end wall 122, a second opening end 123, a door closing pipe 2, a piston 21, a rod 22, a lubricating box 3, a leakage hole 31, a water-permeable blocking object 32, a protruding part 33, a first filling opening 34, a positioning strip 35, a first connecting seat 4, a second connecting seat 5, a door leaf 6, a door frame 7 and a filler plug 8.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments. Those skilled in the art will be able to implement the invention based on these teachings. Moreover, the embodiments of the present invention described in the following description are generally only some embodiments of the present invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the self-lubricating silent door closer comprises a sleeve 1 and a door closing pipe 2 installed in the sleeve 1, wherein the tail end of the sleeve 1 and the head end of the door closing pipe 2 are respectively fixed on a door frame 7 and a door leaf 6, a lubricating box 3 is installed on the sleeve 1, the lubricating box 3 is in contact connection with the door closing pipe 2, the door closing pipe 2 moves relative to a sleeve 1 piston in the opening and closing process of the door leaf 6, and the lubricating box 3 maintains the door closing pipe 2 in the moving process of the door closing pipe 2.
Wherein, the sleeve 1 comprises a front sleeve 11 and a rear sleeve 12, the front sleeve 11 comprises a first circumferential wall 111 and a first end wall 112 integrally arranged at one end of the first circumferential wall 111, and the other end of the first circumferential wall 111 is a first open end 113;
the first end wall 112 is provided with a piston hole 1121 coaxially arranged with the first circumferential wall 111, the rear sleeve 12 includes a second circumferential wall 121 and a second end wall 122 integrally arranged at one end of the second circumferential wall 121, and the other end of the second circumferential wall 121 is a second open end 123;
the first opening end 113 and the second opening end 123 of the front sleeve 11 and the rear sleeve 12 are butted, an external thread is arranged on the outer periphery of the first opening end 113, and an internal thread is arranged on the inner periphery of the second opening end 123; the front sleeve 11 and the rear sleeve 12 are fixed by screw connection, so that the front sleeve 11 and the rear sleeve 12 can be conveniently detached, and the optional lubricating box 3 can be arranged inside the sleeve 1.
Wherein, the door closing pipe 2 includes two parts, namely a piston 21 and a rod 22, the piston 21 is installed in the rear sleeve 12, the outer periphery of the piston 21 is in sliding fit with the second circumferential wall 121, a hydraulic medium is filled between the piston 21 and the second end wall 122 of the rear sleeve 12, the rod 22 is connected to the piston 21, and the rod 22 extends along the axis of the sleeve 1 and penetrates out of the piston hole 1121 of the first end wall 112. During the closing of the door leaf 6, the closing tube 2 is retracted inside the sleeve 1 and the piston 21 compresses the hydraulic medium. The maximum extension of the shutter tube 2 is limited by the first open end 113 of the front sleeve 11.
The front end of the rod 22 is provided with a first connecting seat 4, the first connecting seat 4 is hinged with the rod 22, the outer side of the second end wall 122 of the rear sleeve 12 is provided with a second connecting seat 5, the second connecting seat 5 is hinged with the second end wall 122, and the first connecting seat 4 and the second connecting seat 5 are fixed on the door leaf 6 and the door frame 7 respectively. In this way, it is possible to make the self-lubricating silent door closer applicable to door leaves 6, door frames 7 that open by rotation, without the first and second connection seats 4, 5, the front end of the rod 22 and the second end wall 122 of the rear sleeve 12 can be fixed directly to the door leaf 6 and door frame 7, but this is only applicable to sliding doors.
Lubrication box 3 be cyclic annular, its inside cavity is in order to be used for storing lubricating liquid, lubrication box 3 cover on pole 22 and in being in preceding sleeve 11, seted up leakage hole 31 on lubrication box 3's the internal perisporium, permeable plugging object 32 is filled in the leakage hole 31, at the in-process of closing the motion of door pipe 2, lubricating liquid can paint pole 22 along permeable plugging object 32 on, realizes lubricating.
In a preferred embodiment, the leakage holes 31 are opened along the circumferential direction, and the water-permeable plugs 32 are annular and are engaged with the leakage holes 31. The advantage is that the lubricating liquid can be evenly coated on the whole peripheral wall of the rod 22 in the transportation process of the door closing pipe 2, and the non-rigid connection of the rod 22 is realized through the water permeable blocking object 32, so when the door closing pipe 2 moves, the noise is extremely low, and the function of silence can be realized. In a preferred embodiment, the water-permeable blocking material 32 is made of felt, which has a rough surface to improve the friction with the rod 22 and control the speed of closing the door, besides the above functions, and the felt has a good shaping effect.
The end of the lubrication box 3 adjacent to the first end wall 112 of the front sleeve 11 is provided with a protruding part 33, the protruding part 33 pulls apart the lubrication box 3 from the first end wall 112 of the front sleeve 11 by a certain distance, and the lubrication box 3 is prevented from being attached to the first end wall 112, so that negative pressure is generated, and the lubrication box 3 is not detached easily.
The lubricating box 3 is provided with a first filling opening 34 on the peripheral wall, a second filling opening 1111 corresponding to the first filling opening 34 is arranged on the first peripheral wall 111 of the front sleeve 11, and the first peripheral wall 111 of the front sleeve 11 is provided with a filler plug 8 capable of blocking the first filling opening 34 and the second filling opening 1111. Through such design, can make when replenishing the lubricating fluid more convenient. Furthermore, because the lubrication box 3 is installed in the front sleeve 11 at the back, the first filling opening 34 and the second filling opening 1111 need to be butted after the lubrication box 3 is installed, for the convenience of butting, a positioning bar 35 is optionally arranged on the outer peripheral wall of the lubrication box 3, a positioning groove 1112 arranged along the axis is arranged inside the first peripheral wall 111 of the front sleeve 11, and the posture and the position of the lubrication box 3 are limited by the matching of the positioning groove 1112 and the positioning bar 35.
The installation method of the self-lubricating mute door closer comprises the following steps:
1. the door leaf 6 is opened to the limit angle position, and the connecting position of the first connecting seat 4 is confirmed at the top;
2. the sleeve 1 is connected to the door frame 7 through the second connecting seat 5, and the first connecting seat 4 is pre-fixed on the door leaf 6;
3. through the position of adjustment first connecting seat 4, set up door leaf 6 opening power size to suitable interval back, fixed first connecting seat 4 accomplishes the installation.
The assembling method of the self-lubricating mute door closer comprises the following steps:
1. inserting felt into the leakage hole 31 of the lubrication box 3, and then installing the lubrication box 3 into the deepest part of the front sleeve 11, wherein the first filling opening 34 and the second filling opening 1111 are butted;
2. the oil filling plug 8 is inserted into the first liquid adding port 34 and the second liquid adding port 1111, the oil filling plug 8 is inserted at the moment so as to fix the axial position of the lubricating box 3 and prevent the first liquid adding port 34 and the second liquid adding port 1111 from being disconnected due to the axial displacement of the lubricating box 3 when the rod 22 is subsequently installed;
3. mounting the piston 21 to the rod 22 to form a complete closer tube 2;
4. filling hydraulic medium into the rear sleeve 12, and finally connecting the front sleeve 11 with the rear sleeve 12 to complete assembly;
5. the oil filler plug 8 is pulled out and the lubricating liquid is added.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. A self-lubricating silence door closer which characterized in that: including sleeve (1) and install door closing pipe (2) in sleeve (1), door closing pipe (2) can be piston motion at sleeve (1), install lubricated box (3) on sleeve (1), lubricated box (3) with door closing pipe (2) contact is connected.
2. The self-lubricating silent door closer of claim 1, wherein: the sleeve (1) comprises a front sleeve (11) and a rear sleeve (12), the front sleeve (11) comprises a first circumferential wall (111) and a first end wall (112) integrally arranged at one end of the first circumferential wall (111), and the other end of the first circumferential wall (111) is a first open end (113);
the first end part wall (112) is provided with a piston hole (1121) which is coaxial with the first circumferential wall (111), the rear sleeve (12) comprises a second circumferential wall (121) and a second end part wall (122) which is integrally arranged at one end of the second circumferential wall (121), and the other end of the second circumferential wall (121) is a second open end (123);
the first opening end (113) and the second opening end (123) are butted, an external thread is arranged on the outer periphery of the first opening end (113), an internal thread is arranged on the inner periphery of the second opening end (123), and the front sleeve (11) and the rear sleeve (12) are fixedly connected through the threads.
3. The self-lubricating silent door closer of claim 2, wherein: the door closing pipe (2) comprises a piston (21) and a rod (22), the piston (21) is installed in the rear sleeve (12), the outer periphery of the piston (21) is in sliding fit with the second circumferential wall (121), a hydraulic medium is filled between the piston (21) and the second end wall (122) of the rear sleeve (12), the rod (22) is connected to the piston (21), and the rod (22) extends along the axis of the sleeve (1) and penetrates out of a piston hole (1121) of the first end wall (112).
4. The self-lubricating silent door closer of claim 3, wherein: the front end of pole (22) is equipped with first connecting seat (4), articulates each other between first connecting seat (4) and pole (22), the second tip wall (122) outside of back sleeve (12) is equipped with second connecting seat (5), articulates each other between second connecting seat (5) and second tip wall (122).
5. The self-lubricating silent door closer of claim 1, wherein: lubricating box (3) be cyclic annular, its inside cavity, lubricating box (3) cover on close door pipe (2) and be in sleeve (1), seted up leakage hole (31) on the internal perisporium of lubricating box (3), the intussuseption of leakage hole (31) is filled with the shutoff thing (32) that permeates water.
6. The self-lubricating silent door closer of claim 5, wherein: the leakage holes (31) are arranged along the circumferential direction, and the water-permeable plugging objects (32) are annular and are clamped in the leakage holes (31).
7. The self-lubricating silent door closer of claim 6, wherein: the water-permeable plugging material (32) is felt.
8. The self-lubricating silent door closer of claim 5, wherein: the lubricating box is characterized in that a protruding part (33) is arranged between the front ends of the lubricating box (3) and the sleeve (1), and the protruding part (33) enables the front ends of the lubricating box (3) and the sleeve (1) to be spaced.
9. The self-lubricating silent door closer of claim 5, wherein: the lubricating box (3) is provided with a first liquid adding opening (34) on the peripheral wall, the sleeve (1) is provided with a second liquid adding opening (1111) corresponding to the first liquid adding opening (34), and the sleeve (1) is provided with a refueling plug (8) for sealing the first liquid adding opening (34) and the second liquid adding opening (1111); the lubricating box is characterized in that a positioning strip (35) is arranged on the peripheral wall of the lubricating box (3), a positioning groove (1112) arranged along the axis is formed in the inner side of the sleeve (1), and the posture and the position of the lubricating box (3) are limited through the matching of the positioning groove (1112) and the positioning strip (35) so that the first liquid adding opening (34) and the second liquid adding opening (1111) are in butt joint.
10. The method for installing the self-lubricating silent door closer of claim 4, comprising the steps of:
1. the door leaf (6) is opened to the limit angle position, and the connecting position of the first connecting seat (4) is confirmed at the top;
2. the sleeve (1) is connected to a door frame (7) through a second connecting seat (5), and a first connecting seat (4) is pre-fixed on a door leaf (6);
3. through the position of adjustment first connecting seat (4), set up door leaf (6) opening power size to suitable interval after, fixed first connecting seat (4), accomplish the installation.
CN202210502503.3A 2022-05-10 2022-05-10 Self-lubricating silent door closer and mounting method thereof Pending CN114809845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210502503.3A CN114809845A (en) 2022-05-10 2022-05-10 Self-lubricating silent door closer and mounting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210502503.3A CN114809845A (en) 2022-05-10 2022-05-10 Self-lubricating silent door closer and mounting method thereof

Publications (1)

Publication Number Publication Date
CN114809845A true CN114809845A (en) 2022-07-29

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ID=82513368

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Application Number Title Priority Date Filing Date
CN202210502503.3A Pending CN114809845A (en) 2022-05-10 2022-05-10 Self-lubricating silent door closer and mounting method thereof

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189424435A (en) * 1894-12-15 1895-03-02 Heinrich Kuehn Door Closer with Automatic Lubricator.
GB616390A (en) * 1946-09-03 1949-01-20 Peters G D & Co Ltd Improvements in or relating to fluid pressure engines for operating doors or gates
DE202004020685U1 (en) * 2004-08-12 2005-11-10 Dorma Gmbh + Co. Kg Door closure unit comprises a drive housing and a telescoping lever arm with a laterally protruding bracket joining it to the drive housing
CN108278060A (en) * 2016-12-24 2018-07-13 方高亮 Automatic door opening door closer
EP3366164A1 (en) * 2017-02-28 2018-08-29 Epta S.p.A. Refrigerated cabinet with one or more automatically closing doors
US20190154150A1 (en) * 2017-11-17 2019-05-23 Goodrich Aerospace Services Private Limited Actuator assembly having self-lubricating components
CN208907545U (en) * 2018-10-31 2019-05-28 莱芜钢铁集团有限公司 A kind of hydraulic machinery lubricating system
CN112065236A (en) * 2020-09-15 2020-12-11 冯杰慧 Aluminum alloy fireproof window
CN214145156U (en) * 2020-12-09 2021-09-07 郑州大学 Device for automatically closing window in strong wind
CN217735215U (en) * 2022-05-10 2022-11-04 浙江亚厦装饰股份有限公司 Lubrication box for door closer
CN217897608U (en) * 2022-05-10 2022-11-25 浙江亚厦装饰股份有限公司 Self-lubricating silence door closer

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189424435A (en) * 1894-12-15 1895-03-02 Heinrich Kuehn Door Closer with Automatic Lubricator.
GB616390A (en) * 1946-09-03 1949-01-20 Peters G D & Co Ltd Improvements in or relating to fluid pressure engines for operating doors or gates
DE202004020685U1 (en) * 2004-08-12 2005-11-10 Dorma Gmbh + Co. Kg Door closure unit comprises a drive housing and a telescoping lever arm with a laterally protruding bracket joining it to the drive housing
CN108278060A (en) * 2016-12-24 2018-07-13 方高亮 Automatic door opening door closer
EP3366164A1 (en) * 2017-02-28 2018-08-29 Epta S.p.A. Refrigerated cabinet with one or more automatically closing doors
US20190154150A1 (en) * 2017-11-17 2019-05-23 Goodrich Aerospace Services Private Limited Actuator assembly having self-lubricating components
CN208907545U (en) * 2018-10-31 2019-05-28 莱芜钢铁集团有限公司 A kind of hydraulic machinery lubricating system
CN112065236A (en) * 2020-09-15 2020-12-11 冯杰慧 Aluminum alloy fireproof window
CN214145156U (en) * 2020-12-09 2021-09-07 郑州大学 Device for automatically closing window in strong wind
CN217735215U (en) * 2022-05-10 2022-11-04 浙江亚厦装饰股份有限公司 Lubrication box for door closer
CN217897608U (en) * 2022-05-10 2022-11-25 浙江亚厦装饰股份有限公司 Self-lubricating silence door closer

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