WO2023004877A1 - Dispositif de fermeture de porte - Google Patents

Dispositif de fermeture de porte Download PDF

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Publication number
WO2023004877A1
WO2023004877A1 PCT/CN2021/111372 CN2021111372W WO2023004877A1 WO 2023004877 A1 WO2023004877 A1 WO 2023004877A1 CN 2021111372 W CN2021111372 W CN 2021111372W WO 2023004877 A1 WO2023004877 A1 WO 2023004877A1
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WO
WIPO (PCT)
Prior art keywords
adjustment
damping
door
assembly
speed
Prior art date
Application number
PCT/CN2021/111372
Other languages
English (en)
Chinese (zh)
Inventor
谢炜
王伏根
郭丰
Original Assignee
箭牌家居集团股份有限公司
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Filing date
Publication date
Application filed by 箭牌家居集团股份有限公司 filed Critical 箭牌家居集团股份有限公司
Publication of WO2023004877A1 publication Critical patent/WO2023004877A1/fr

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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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/14—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with double-acting springs, e.g. for closing and opening or checking and closing no material
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
    • 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

Definitions

  • the invention relates to a switch with a braking device, in particular to a door closer.
  • the traditional hinged door does not have a door closer and cannot close the door automatically. It requires the user to close the door manually.
  • Existing hinged doors can be provided with door closers, and the door closers are used to automatically close the hinged door.
  • the existing door closers usually use a rack and pinion or a hydraulic device to solve the problem of automatically closing the hinged door.
  • the patent CN201621120266.0 discloses a hydraulic door closer with electric assistance, in which the gear and the rack cooperate to drive The motor can drive the hinged door to close, but this kind of door closer will make the hinged door close faster, without cushioning, inconvenient to use and likely to cause safety hazards, and the rack and pinion is easy to fail, and does not have better smoothness .
  • the technical problem to be solved by the present invention is to provide a door closer that can provide effective cushioning so that the hinged door can be gently closed, and can also adjust the speed of different processes of opening and closing the door.
  • the present invention provides a door closer, which is installed on the shaft of the hinged door, including a sleeve, an adjustment assembly, a first damping assembly and a second damping assembly, the first damping assembly and the The second damping assembly is installed in the sleeve, and the sleeve is fixed on the hinge door and can swing following the hinge door.
  • the adjustment assembly includes a first adjustment member and a second adjustment member, and the adjustment assembly is fixed on the rotating shaft.
  • the first damping assembly includes a first elastic member, one end of the first elastic member abuts against the surface of the first adjusting member, the first elastic member can rotate around the first adjusting member and The actions of opening and closing the door respectively perform compression and rebound along the surface of the first regulating member.
  • the second damping assembly includes a damping member, the movable end of the damping member is hinged to the second adjusting member, the second adjusting member is fixed on the rotating shaft, and the damping member can be compressed to generate buffer resistance .
  • the first elastic member and the damping member can simultaneously rotate around the adjustment assembly and follow the pivot door, and the damping member can be compressed with the rebound of the first elastic member.
  • the first adjusting part is fixedly connected to the second adjusting part, and the first adjusting part is symmetrically distributed up and down on the upper part and the lower part of the second adjusting part.
  • One end of the sleeve is provided with a shaft hole through which the rotating shaft passes, and the adjusting assembly is fixedly connected with the rotating shaft and located in the shaft hole.
  • the adjusting assembly further includes a speed regulating protrusion, the speed regulating protrusion is arranged on the side of the adjusting assembly far away from the first damping assembly, and the two sides of the speed regulating protrusion are symmetrically arranged with an arc
  • the speed-regulating bump protrudes from the arc-shaped surface, and one end of the arc-shaped surface is connected with the speed-regulating bump.
  • the door closer also includes a speed regulating assembly
  • the speed regulating assembly includes a front cover, a second elastic member and a speed regulating top block
  • the front cover is located at the front end of the sleeve
  • the second elastic member and the speed regulating top block is located on the side of the sleeve away from the first damping assembly and the second damping assembly
  • the second elastic member is located between the front cover and the speed regulating top block
  • the speed regulating top block is close to the speed regulating protrusion
  • the second elastic member can make the end surface of the speed regulating top block slide along the surface of the speed regulating protrusion and the arc surface.
  • the two ends of the first regulating member are symmetrically provided with first protrusions left and right, and a reset surface is also provided between the left and right first protrusions, and the middle part of the reset surface reaches the first regulating member.
  • the distance from the axis is smaller than the distance from the surface of the first protrusion to the axis of the first regulating member.
  • One end of the arc surface away from the speed regulating bump is connected to the first bump.
  • the second adjustment member is provided with a second protrusion, and the second protrusion protrudes from the surface of the reset surface and is connected with the movable end of the damping member.
  • the left and right sides of the second protrusion are provided with limit surfaces, one end of the limit surface is connected to the second protrusion, and the other end faces the inside of the adjustment assembly and faces away from the second protrusion.
  • the orientation of the blocks is skewed.
  • the first damping assembly further includes a cam top block, the first elastic member is in contact with the first adjustment piece through the cam top block, and the end surface of the cam top block can be positioned on the first convex block. Slide between the reset surface.
  • the first elastic member is capable of compressing and rebounding within the sleeve.
  • the second damping assembly further includes a connecting rod, a piston rod and a piston cylinder, one end of the connecting rod is hinged to the piston rod, and the other end is hinged to the second protrusion, and the piston rod is located on the In the piston cylinder, the connecting rod can slide and swing in the cam top block, and the connecting rod can move around the hinge point of the connecting rod and the second protrusion between the two limiting surfaces.
  • the two limit surfaces can limit the swing angle of the connecting rod.
  • the sleeve also includes a bottom cover, an adjustment rod, an adjustment cavity and an adjustment channel, the bottom cover is connected to the tail of the sleeve, one end of the piston barrel is against the bottom cover, and the adjustment The cavity is located at one end of the piston barrel close to the bottom cover.
  • One end of the adjustment chamber communicates with the rear of the piston cylinder, and an adjustment hole is provided on the side of the adjustment chamber, and the adjustment chamber can communicate with the front of the piston cylinder through the adjustment hole.
  • An adjustment rod is sealingly inserted into the inside of the adjustment cavity, and the adjustment rod can control the opening or closing of the adjustment hole.
  • the end of the cam top block close to the second adjustment member is provided with an avoidance hole, the avoidance hole is conical, and the diameter of the avoidance hole near the second adjustment member is larger than that near the first elastic member.
  • the diameter of one end of the member, and the avoidance hole is used to avoid the second adjusting member and the connecting rod.
  • the door closer of the present invention is provided with a first adjustment piece, a second adjustment piece, a first elastic piece and a damping piece, wherein the first adjustment piece is in contact with the first elastic piece, and the second adjustment piece is in contact with the first elastic piece.
  • the damping member is hinged. When the door is opened, the hinged door drives the first elastic member to rotate, and the first elastic member slides from the lower position of the first adjustment member to the upper position. Under the action of the first adjustment member, the The first elastic member is compressed to generate resistance, and under the action of the second adjusting member, the damping member resets without generating resistance, so the first elastic member provides elastic buffering and energy for the door opening action.
  • the first elastic part slides from the high position of the first adjusting part to the low position, and in the process of converting the elastic potential energy into kinetic energy, the hinged door will automatically rotate and reset, thereby forming a door closing action , and the damping member is compressed to generate resistance, thereby constituting an elastic buffer for the door closing action, making the door closing process gentle and safe.
  • the door closer of the present invention is also provided with a speed-regulating bump and a speed-regulating assembly, the two sides of the speed-regulating bump are symmetrically provided with arc-shaped surfaces, and the speed-regulating assembly is provided with a second elastic member and a speed-regulating top When opening the door, the second elastic member makes the speed-regulating top block abut against the speed-regulating bump, and gradually transitions to the arc-shaped surface.
  • the friction force is small, which can make the door open
  • the speed is increased, which is convenient for the user to open the door quickly; when the door is closed, the speed-regulating top block is against the first bump, and the closing speed is relatively slow, which is convenient for the user to have enough time to pass through, and then the speed-regulating top block slides to the arc-shaped surface to speed up the door closing speed, and realize slow closing when finally sliding to the speed regulating bump, so as to avoid excessive closing force of the hinged door. Therefore, the present invention can control the speed of different processes of opening and closing the door, and has the advantages of convenient use.
  • Fig. 1 is the structural representation of door closer of the present invention
  • Fig. 2 is a schematic structural view of the regulating assembly of the present invention
  • Fig. 3 is a structural schematic diagram of the door closer of the present invention when the hinged door is in a closed state
  • Fig. 4 is a structural schematic diagram of the door closer of the present invention when the pivot door is at an opening limit angle
  • Fig. 5 is a structural schematic diagram of the speed regulating assembly of the present invention when the hinge door is in a closed state
  • Fig. 6 is a structural schematic diagram of the speed regulating assembly of the present invention when the hinge door is in the opening action
  • Fig. 7 is a schematic structural view of the speed regulating assembly of the present invention when the hinged door is at an open limit angle
  • Fig. 8 is a structural schematic diagram of the adjusting rod and the adjusting chamber of the present invention.
  • Fig. 9 is a schematic view of the door closer of the present invention on a hinged door.
  • the embodiment of the present invention discloses a door closer, which is installed on the shaft 6 of the shaft door 5, and specifically includes a sleeve 4, an adjustment assembly 1, a first damping assembly 2 and a second
  • the damping assembly 3, the first damping assembly 2 and the second damping assembly 3 are installed in the sleeve 4, the sleeve 4 is vertically connected with the rotating shaft 6, and the sleeve 4 is fixed on the On the hinge door 5 and can follow the swing of the hinge door 5 .
  • the adjustment assembly 1 includes a first adjustment member 11 and a second adjustment member 12.
  • the adjustment assembly 1 is fixed on the rotating shaft 6 and is a stationary member.
  • the first damping assembly 2 includes a first elastic member 21.
  • the first adjusting member 11 and the second adjusting member 12 are cams, crankshafts and other components that can cause objects to reciprocate.
  • the The first adjusting member 11 may be a cam
  • the second adjusting member 12 may be a crankshaft.
  • first elastic member 21 abuts against the surface of the first adjusting member 11, the first adjusting member 11 is fixed on the rotating shaft 6, and the first adjusting member 11 is fixed to the rotating shaft 6 connected, so when the pivot door 5 turns, the first elastic member 21 located in the sleeve 4 can rotate around the shaft 6 as the pivot door 5 turns, and with the opening and The action of closing the door is compressed and rebounded along the surface of the first regulating member 11, when the first elastic member 21 slides from the low position of the first regulating member 11 to the high position, the first elastic The member 21 will be compressed to generate elastic force to balance the rotational force of the pivot door 5.
  • the first elastic member 21 When the first elastic member 21 slides from the high position of the first adjusting member 11 to the low position, the first elastic member 21 will spring back from the compressed state to its original state, releasing potential energy.
  • the first elastic member 21 is a tension spring, and may also be an elastic element such as a bellows tube or a clockwork spring.
  • the second damping assembly 3 includes a damping member 31, the movable end of the damping member 31 is hinged to one end of the second adjusting member 12, and the second adjusting member 12 is fixed on the rotating shaft 6.
  • the damper 31 When the hinge door 5 is in the closed state, the damper 31 is in a compressed state.
  • the hinge door 5 rotates to open the door, the hinge door 5 will drive the damper 31 to rotate.
  • the first elastic member 21 rotates around the rotating shaft 6 at the same time, and since the movable end of the damping member 31 is hinged on the second adjusting member 12, the movable end of the damping member 31 will be pulled apart, so that all The damping member 31 slowly returns to its original state. At this time, the damping member 31 releases internal energy.
  • the damping member 31 will rebound with the compression and rebound of the first elastic member 21.
  • Spring and compression the damping member 31 and the first elastic member 21 act oppositely, so that both opening and closing of the door can produce a damping and buffering effect.
  • the present invention can open the door smoothly under the synergistic effect of the first damping assembly 2 and the second damping assembly 3, and can generate effective damping and buffering when opening and closing the door, so that the door opening and closing actions are gentle and safe , bringing a better user experience.
  • both the first damping assembly 2 and the second damping assembly 3 are placed in the sleeve 4, and the first damping assembly 2 and the second damping assembly 3 can adjust the adjustment assembly 1 simultaneously. function, respectively produce the compression of the first elastic member 21, the rebound of the damping member 31 and the rebound of the first elastic member 21 and the compression of the damping member 31 in a small space. Therefore, the present invention It also has the advantages of compact and simple structure.
  • the first adjusting member 11 and the second adjusting member 12 together constitute the adjusting assembly 1 .
  • the first adjusting part 11 and the second adjusting part 12 are fixedly connected, preferably, the first adjusting part 11 and the second adjusting part 12 are integral components, in order to balance the first adjusting part 11
  • the force of the first adjustment member 11 is symmetrically distributed up and down on the upper and lower parts of the second adjustment member 12, therefore, the first adjustment member 11 can be divided into an upper adjustment member 112 and a lower adjustment member 114,
  • the upper adjusting member 112 and the lower adjusting member 114 can act on the first elastic member 21 at the same time, so that the first adjusting member 11 is evenly stressed.
  • one end of the sleeve 4 is provided with a shaft hole 41, the shaft 6 passes through the shaft hole 41, and the adjustment assembly 1 is fixedly connected with the shaft 6 and located at the Set in the shaft hole 41.
  • the adjusting assembly 1 further includes a speed regulating projection 13, and the speed regulating projection 13 is arranged in the adjusting assembly 1 away from the first damping
  • One side of the assembly 2 is preferably located on the opposite side of the hinge point between the movable end of the damping member 31 and the second adjusting member 12, and the speed regulating bump 13 is symmetrically provided with an arc surface 14 on both sides.
  • the speed regulating protrusion 13 protrudes from the arc surface 14 , and one end of the arc surface 14 is connected to the speed regulating protrusion 13 , preferably connected to the lowest point of the speed regulating protrusion 13 .
  • the door closer is also provided with a speed regulating assembly 7, and the speed regulating assembly 7 includes a front cover 71, a second elastic member 72 and The speed regulating top block 73, the front cover 71 is located at the front end of the sleeve 4 and serves as the closing cover of the front end of the sleeve 4, the second elastic member 72 and the speed regulating top block 73 are located at the front end of the sleeve 4
  • the second elastic member 72 is located between the front cover 71 and the speed regulating Between the top blocks 73, one end of the second elastic member 72 abuts on the front cover 71, and the other end abuts on the speed regulating top block 73, and the speed regulating top block 73 is close to the speed regulating top block 73.
  • the second elastic member 72 can make the end surface of the speed regulating top block 73 slide along the surface of the speed regulating bump 13 and the arc surface 14 .
  • the second elastic member 72 is a tension spring, and may also be an elastic element such as a bellows tube or a clockwork spring.
  • the speed regulating top block 73 when the shaft door 5 is in the closed state, the speed regulating top block 73 is located at the middle of the speed regulating protrusion 13, that is, at the highest point of the speed regulating protrusion 13, when the rotating shaft
  • the speed-regulating top block 73 swings along with the rotating shaft door 5, and since the speed-regulating projection 13 is fixed on the rotating shaft, the speed-regulating top block 73 will be relatively
  • the speed regulating bump 13 rotates slowly, and at this time, because the speed regulating jack block 73 is at the height of the speed regulating bump 13, the second elastic member 72 is in a compressed state, and the speed regulating jack block 73 is in a compressed state.
  • the movement of 73 creates resistance and therefore turns at a slower rate.
  • the end surface of the speed regulating top block 73 is located on the arc surface 14, and the moving speed of the speed regulating top block 73 is faster, so that The rotation speed of the pivot door 5 in the first stage of closing is relatively fast, and when the speed regulating top block 73 moves to the bottom of the speed regulating protrusion 13, due to the blocking of the speed regulating protrusion 13 and the Due to the elastic force of the second elastic member 72, the sliding speed of the speed regulating top block 73 will be reduced, thereby reducing the speed of closing the door, so that the hinged door 5 can present a slower speed in the second stage of closing the door, avoiding the
  • the hinge door 5 has a large closing force, high safety and humanization.
  • Both ends of the first adjusting member 11 are symmetrically provided with first protrusions 111 , and first arc-shaped surfaces 112 are provided on the first protrusions 111 .
  • the advantage of the symmetrical arrangement is that the hinged door 5 can be opened/closed from the outside and opened/closed from the inside, so that the direction of opening/closing is not limited.
  • the reset surface 113 is preferably a plane, and may also be a concave curved surface.
  • the top surface of the first protrusion 111 is preferably a plane, so that the hinged door 5 will automatically hover when it reaches the limit angle of opening.
  • the end of the first elastic member 21 slowly slides from the highest position of the first protrusion 111 to a lower position, and finally returns to the reset surface 113 , at this time, the first elastic member 21 undergoes compression to return to its original length or a slightly compressed state, releasing potential energy.
  • one end of the arc surface 14 away from the speed regulating bump 13 is connected to the first bump 111, so one end of the first bump 111 is connected to the reset surface 113, and the other end is Connected with the arc surface 14, when the pivot door 5 gradually reaches the limit angle of opening, the end of the first elastic member 21 will gradually reach the first protrusion 111 on one side, and at this time the The speed regulating top block 73 will slowly reach the first bump 111 on the opposite side from the arc surface 14.
  • the speed-regulating top block 73 breaks away from the blocking of the first protrusion 111 and reaches the arc surface 14, the closing speed of the hinge door 5 starts to be faster at this time, and the hinge door 5 is about to be completely closed.
  • the speed regulating top block 73 will reduce the rotation speed of the pivot door 5 under the action of the speed regulating protrusion 13 and the second elastic member 72, so as to avoid excessive closing force.
  • the second adjustment member 12 is provided with a second protrusion 121, the second protrusion 121 protrudes from the reset surface 113 and is connected with the movable end of the damping member 31, preferably, the second protrusion
  • the protruding direction of the block 121 is perpendicular to the line connecting the two ends of the reset surface 113 , and when the reset surface 113 is a plane, the protruding direction of the second bump 121 is perpendicular to the plane of the reset surface 113 .
  • a hinge hole is provided on the second protrusion 121 , and the hinge hole is used to connect with the movable end of the damper 31 .
  • the left and right sides of the second protrusion 121 are provided with limiting surfaces 122, one end of the limiting surface 122 is connected to the second protrusion 121, and the other end faces the inside of the adjustment assembly 1 and faces away from the The direction of the second protrusion 121 is inclined.
  • the limiting surface 122 is used to limit the rotation angle of the hinged door, so the limiting surface 122 is inclined. The reason for the symmetrical arrangement is still to enable the door opening/closing direction to be unrestricted.
  • the second damping assembly 3 also includes a connecting rod 32, a piston rod 311 and a piston barrel 312, one end of the connecting rod 32 is hinged to the piston rod 311, and the other end is connected to the The second protrusion 121 is hinged, the piston rod 311 is located in the piston cylinder 312 , and the piston rod 311 is the movable end of the damping member 31 .
  • the connecting rod 32 can swing between the two limiting surfaces 122 around the hinge point of the connecting rod 32 and the second protrusion 121, and the two limiting surfaces 122 can limit the connection The swing angle of the rod 32. Therefore, the damping element 31 transmits resistance through the piston rod 311 and the connecting rod 32 , and the connecting rod 32 can not only transmit resistance, but also enable the damping element 31 to reset without an elastic element.
  • the movable end of the damping member 31, that is, the piston rod 311 is hinged on the second bump 121.
  • the damping member 31 rotates relative to the second protrusion 121, and the connecting rod 32 also swings relative to the second protrusion 121, and the connecting rod 32 drives the piston rod 311 to slow down. Pull it slowly, so that the damping member 31 slowly rebounds. At this time, the damping member 31 does not generate resistance to the hinge door 5.
  • the first elastic member 21 After the hinge door 5 is fully opened, the first elastic member 21 The end reaches the first bump 111, the side of the connecting rod 32 is just located on the limit surface 122, the limit surface 122 restricts the connecting rod 32 from swinging, and the first elastic The end of the piece 21 cannot cross the first protrusion 111 and reach the arc surface 14, so as to realize the limitation of the door opening angle.
  • the connecting rod 32 leaves the limit surface 122 in the opposite direction, and under the push of the connecting rod 32, the piston rod 311 makes the damping member 31 Compression is performed, and the damping member 31 starts to compress to generate internal energy, thereby generating damping and buffering for the action of closing the door. After the hinged door 5 is completely closed, the internal energy reaches the highest.
  • the first damping assembly 2 further includes a cam top block 22, and the first elastic member 21 is in contact with the first adjustment member 11 through the cam top block 22.
  • the end surface of the cam top block 22 can replace the first elastic member 21 to slide between the first protrusion 111 and the reset surface 113, and the end surface of the cam top block 22 is more It is easy to slide between the first protrusion 111 and the reset surface 113 , and at the same time, protect the elastic member 21 and prolong the service life of the elastic member 21 .
  • One end of the first elastic member 21 abuts against the surface of the piston cylinder 312 , and the first elastic member 21 can be compressed and rebound in the sleeve 4 .
  • the sleeve 4 also includes a bottom cover 42, an adjustment rod 43 and an adjustment chamber 44, the bottom cover 42 is connected to the tail of the sleeve 4, and one end of the piston cylinder 312 is against the bottom On the cover 42 , the bottom cover 42 is used to fix the piston barrel 312 and serves as the tail cover of the sleeve 4 .
  • the adjustment chamber 44 is located at the end of the piston cylinder 312 close to the bottom cover 42, and is used to adjust the resistance of the damper 31.
  • the adjustment chamber 44 communicates with the rear of the piston cylinder 312.
  • the side of the adjustment cavity 44 is provided with an adjustment hole 46, and the adjustment cavity 44 can communicate with the front of the piston cylinder 312 through the adjustment hole, and is bounded by the piston disc of the piston rod 311, located at the piston
  • the part of the cylinder 312 close to the piston rod 311 is the front part of the piston cylinder 312, and the part of the piston cylinder 312 close to the bottom cover is the rear part of the piston cylinder 312.
  • the adjustment The chamber 44 communicates with the rear and front of the piston cylinder 312 through its end and side, respectively.
  • the adjusting rod 43 is sealingly inserted into the inside of the adjusting cavity 44 , and the adjusting rod 43 can control the opening or closing of the adjusting hole 46 .
  • the adjustment rod 43 can be rotated to make it inserted deeper into the adjustment cavity 44, and the end of the adjustment rod 43 will gradually seal the adjustment hole. 46. After the insertion is completed, the adjustment hole 46 is closed, and the cavity at the front and rear of the piston cylinder 312 is separated at this time. When the piston rod 311 continues to the rear of the piston cylinder 312 When squeezed, the pressure at the rear of the piston barrel 312 increases gradually, which increases the damping pressure of the damping member 31 , thereby increasing the resistance.
  • the adjusting rod 43 When the resistance of the damping member 31 needs to be reduced, the adjusting rod 43 is rotated to make the end of the adjusting rod 43 gradually move away from the adjusting hole 46, so that the adjusting hole 46 can be slightly opened to generate a gap, The air at the rear of the piston barrel 312 can enter the front end of the piston barrel 312 through the gap of the adjustment hole 46, so when the piston rod 311 is gradually squeezed backward, the air at the rear of the piston barrel 312 The pressure changes little, and no additional resistance is produced on the piston rod 311, thereby achieving the effect of reducing the damping force.
  • the buffering degree of the pivot door 5 can be controlled, thereby controlling the rotation speed of the pivot door 5 .
  • the use of the adjusting rod 43, the adjusting chamber 44 and the adjusting channel 45 can not only control the closing speed of the hinged door 5, but also The use range of the door closer can be expanded.
  • An escape hole 221 is provided at an end of the cam top block 22 close to the second adjusting member 12 for avoiding the second adjusting member 12 and the connecting rod 32 .
  • the second adjustment member 12 and the connecting rod 32 may hit the cam top block 22 to hinder the rotation, so the avoidance hole 221 can help the first elastic member 21 and the damping member 31 to rotate smoothly.
  • the avoidance hole 221 is preferably conical.
  • the avoidance hole The diameter of the end of 221 close to the second adjusting member 12 is larger than the diameter of the end close to the first elastic member 21, so as to achieve a better avoidance effect.

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  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

L'invention concerne un dispositif de fermeture de porte, comprenant un manchon (4), un ensemble de réglage (1), un premier ensemble d'amortissement (2) et un second ensemble d'amortissement (3). Le premier ensemble d'amortissement (2) et le second ensemble d'amortissement (3) sont montés dans le manchon (4) ; l'ensemble de réglage (1) comprend un premier élément de réglage (11) et un second élément de réglage (12) ; le premier ensemble d'amortissement (2) comprend un premier élément élastique (21) ; une extrémité du premier élément élastique (21) est reliée à la surface du premier élément de réglage (11) ; le premier élément de réglage (11) est fixé sur un pivot (6) ; le premier élément élastique (21) est apte à tourner autour du pivot (6) ; le second ensemble d'amortissement (3) comprend un élément d'amortissement (31) ; une extrémité de l'élément d'amortissement (31) est reliée de manière articulée au second élément de réglage (12) ; le second élément de réglage (12) est fixé sur le pivot (6) ; l'élément d'amortissement (31) est apte à tourner autour du pivot (6) simultanément avec le premier élément élastique (21). Le dispositif de fermeture de porte peut assurer un amortissement efficace, de telle sorte qu'une porte pivotante (5) peut être fermée en douceur, et peut également régler les vitesses de différents processus d'ouverture et de fermeture de la porte, et l'utilisation est pratique.
PCT/CN2021/111372 2021-07-28 2021-08-08 Dispositif de fermeture de porte WO2023004877A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110859328.9A CN113622776A (zh) 2021-07-28 2021-07-28 一种闭门器
CN202110859328.9 2021-07-28

Publications (1)

Publication Number Publication Date
WO2023004877A1 true WO2023004877A1 (fr) 2023-02-02

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ID=78381392

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/111372 WO2023004877A1 (fr) 2021-07-28 2021-08-08 Dispositif de fermeture de porte

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CN (1) CN113622776A (fr)
WO (1) WO2023004877A1 (fr)

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US11414911B2 (en) * 2020-01-24 2022-08-16 Overhead Door Corporation Swing door operator with offset spring
CN114458115A (zh) * 2021-12-20 2022-05-10 宁波市五角阻尼股份有限公司 一种门吸结构
CN116025240A (zh) * 2023-03-30 2023-04-28 箭牌家居集团股份有限公司 闭门器组件及淋浴房装置

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GB775719A (en) * 1955-04-28 1957-05-29 Ver Baubeschlag Gretsch Co Door closer
JP2003035065A (ja) * 2001-05-11 2003-02-07 Ryobi Ltd ドアクローザ
CN101135220A (zh) * 2006-09-01 2008-03-05 多玛两合有限公司 闭门器特别是用于隐蔽地安装于门扇或门扇的成型门框中的内部闭门器
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CN112431497A (zh) * 2020-11-13 2021-03-02 箭牌家居集团股份有限公司 一种转轴门缓冲安全闭门装置

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