CN112431498B - Buffer hinge door closing device - Google Patents
Buffer hinge door closing device Download PDFInfo
- Publication number
- CN112431498B CN112431498B CN202011266444.1A CN202011266444A CN112431498B CN 112431498 B CN112431498 B CN 112431498B CN 202011266444 A CN202011266444 A CN 202011266444A CN 112431498 B CN112431498 B CN 112431498B
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- China
- Prior art keywords
- door
- damping
- hinge shaft
- oil
- hinge
- Prior art date
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Links
- 238000013016 damping Methods 0.000 claims abstract description 128
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 208000011092 Hand injury Diseases 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- 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
- E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/02—Hinges with pins with one pin
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
-
- 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
- E05F3/14—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with fluid brakes of the rotary type
-
- 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
- E05F3/224—Additional arrangements for closers, e.g. for holding the wing in opened or other position for assisting in opening the wing
-
- 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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
- E05Y2201/46—Magnets
-
- 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
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/40—Physical or chemical protection
- E05Y2800/41—Physical or chemical protection against finger injury
-
- 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
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/40—Physical or chemical protection
- E05Y2800/422—Physical or chemical protection against vibration or noise
-
- 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
- E05Y2900/114—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for showers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hinges (AREA)
Abstract
The invention discloses a buffer hinge door closing device which comprises a first door fixing piece, a second door fixing piece, a connecting piece and an opening and closing door mechanism, wherein the connecting piece is provided with a containing cavity, damping oil is filled in the containing cavity, the opening and closing door mechanism comprises a hinge shaft and a damping mechanism, and two ends of the hinge shaft extend out of the containing cavity and are connected with the second door fixing piece; the damping mechanism comprises a damping sleeve, a partition and a damping assembly, the hinge shaft is movably connected with the damping sleeve, the partition is sleeved outside the damping sleeve, the partition divides the containing cavity into a first oil area and a second oil area, the damping sleeve is provided with a first oil hole, the first oil area and the second oil area are communicated through the first oil hole, and the damping assembly provides motion resistance for the second door fixing piece through the hinge shaft and the damping sleeve. The invention provides motion resistance for opening and closing the door, thereby avoiding accidents caused by overlarge force, damaging the door body or generating larger noise and realizing automatic door closing.
Description
Technical Field
The invention relates to the field of door closing devices, in particular to a buffer hinge door closing device.
Background
The hinge door of the existing shower room is a door without buffer, and needs to be manually closed, so that inconvenience is brought to users. When the door is closed, if the force is too large, the hand is easy to be clamped, the noise of closing the door is large, and the use safety is low. In addition, if the ground level is not well processed, the door is easy to automatically accelerate to close, the problems of hand injury, large door closing noise and the like are also caused, and the user experience sense and the use safety are reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing the buffer hinge door closing device which provides movement resistance for opening and closing the door, avoids unexpected damage to the door body or larger noise caused by overlarge force and can realize automatic door closing.
In order to solve the technical problems, the invention provides a buffer hinge door closing device, which comprises a first door fixing piece, a second door fixing piece, a connecting piece and an opening and closing door mechanism, wherein the first door fixing piece is fixedly connected with the connecting piece, the connecting piece is provided with a containing cavity, damping oil is filled in the containing cavity, and the opening and closing door mechanism is arranged in the containing cavity and is movably connected with the second door fixing piece through the opening and closing door mechanism;
The opening and closing door mechanism comprises a hinge shaft and a damping mechanism, wherein two ends of the hinge shaft extend out of the accommodating cavity and are connected with the second door fixing piece, so that the second door fixing piece can drive the hinge shaft to rotate; the damping mechanism comprises a damping sleeve, a partition and a damping assembly, wherein the hinge shaft is movably connected with the damping sleeve, the hinge shaft drives the damping sleeve, the partition is sleeved outside the damping sleeve, the partition divides the containing cavity into a first oil area and a second oil area, the damping sleeve is provided with a first oil hole, the first oil area and the second oil area are communicated through the first oil hole, and the damping assembly provides motion resistance for the second door fixing piece through the hinge shaft and the damping sleeve.
As the improvement of above-mentioned scheme, damping cover and hinge pin pass through drive assembly swing joint, drive assembly is including locating the epaxial chamber of damping cover, locating the rack of axle intracavity wall and locating the teeth of a cogwheel at hinge pin middle part, the upper and lower both ends of axle chamber are equipped with the opening, the hinge pin passes through the opening and locates on the axle chamber, just rack and teeth of a cogwheel meshing are connected.
As an improvement of the scheme, the damping assembly comprises a first magnet and a second magnet which are attracted to each other, the first magnet is fixedly connected with the damping sleeve, and the second magnet is fixedly connected with the containing cavity.
As an improvement of the scheme, the accommodating cavity is fixedly provided with the sealing cover, and the second magnet is fixedly connected with the sealing cover.
As an improvement of the above-mentioned scheme, the damping sleeve is provided with a mounting groove for mounting the partition.
As an improvement of the above, the width of the mounting groove is larger than the thickness of the partition;
The damping sleeve is provided with a second oil hole, one end of the second oil hole is opened towards the first oil area, and the other end of the second oil hole is opened at one side of the installation groove wall, which is close to the second oil area.
As an improvement of the scheme, the connecting piece is provided with a through hole, and the hinge shaft penetrates through the through hole and is fixedly connected with the second door fixing piece.
As an improvement of the above scheme, the second door fixing member is provided with a shaft slot, and the hinge shaft is inserted into the shaft slot, so that the hinge shaft is fixedly connected with the second door fixing member.
As an improvement of the scheme, the shaft slot is provided with a first clamping position, the hinge shaft is provided with a second clamping position, and the first clamping position is connected with the second clamping position, so that the shaft slot is relatively fixed with the circumference of the hinge shaft.
As an improvement of the scheme, a sealing component for sealing the through hole and the hinge shaft is arranged on the hinge shaft.
The implementation of the invention has the following beneficial effects:
The buffer hinge door closing device is provided with an opening and closing door mechanism, the opening and closing door mechanism comprises a hinge shaft and a damping mechanism, and the hinge shaft is connected with a second door fixing piece, so that the second door fixing piece can drive the hinge shaft to rotate, namely, the second door fixing piece drives the hinge shaft to rotate together when rotating. The hinge shaft is movably connected with the damping sleeve, the second door fixing piece transmits momentum to the hinge shaft through the hinge shaft, the damping component provides motion resistance for the hinge shaft, meanwhile, damping oil also provides motion resistance for the hinge shaft, and the two components are matched to achieve the purpose of providing motion resistance for the second door fixing piece, so that a buffer effect is achieved, the door slowly rotates, the situations of excessive force or large hand clamping and door closing noise and the like due to poor ground level processing are avoided, and automatic door closing is realized, so that user experience is improved, and use safety is improved.
Specifically, the damping component is two magnets which are attracted to each other. When the door is opened, one magnet is pulled open by the damping sleeve, so that the two magnets which are attracted mutually are separated, and the attraction of the two magnets generates opposite motion acting force for the damping sleeve, and meanwhile damping oil flows from the second oil area to the first oil area through the first oil hole and the second oil hole, so that the damping force opposite to the motion direction of the damping sleeve is generated, and motion resistance is provided for the second door fixing piece. When closing the door, two magnet interattraction can make the damping cover to first oil district quick travel under huge magnetic attraction effect, and because frictional force makes the separator block up the second oilhole, make damping oil only can follow first oil district flow direction second oil district through first oilhole, compare when opening the door, produced damping force is bigger, thereby can produce the effect of offset to huge magnetic attraction, make the door slowly closed, avoid pressing from both sides the hand and close the door noise too big, simultaneously, can make the door realize automatic closed effect because of the effect of magnetic attraction again, thereby user experience feel and safety in utilization have been improved.
Drawings
FIG. 1 is a schematic view of a buffer hinge door closer according to the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a cross-sectional view of the second gate member of FIG. 3 after clockwise rotation;
FIG. 5 is a schematic view of the structure of the door opening and closing mechanism of the present invention;
FIG. 6 is a schematic view of the damping sleeve of FIG. 5; FIG. 7 is a top view of FIG. 1;
Fig. 8 is a cross-sectional view taken along B-B of fig. 7.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present invention, are used only with reference to the drawings of the present invention, and are not meant to be limiting in any way.
Referring to fig. 1-8, the invention discloses a buffer hinge door closing device, which comprises a first door fixing piece 1, a second door fixing piece 2, a connecting piece 3 and an opening and closing door mechanism, wherein the first door fixing piece 1 is fixedly connected with the connecting piece 3, the connecting piece 3 is provided with a containing cavity 31, damping oil is filled in the containing cavity 31, the opening and closing door mechanism is arranged in the containing cavity 31, and the connecting piece 3 is movably connected with the second door fixing piece 2 through the opening and closing door mechanism. Wherein, the first fixed door part 1 is fixedly arranged on the door frame, and the second fixed door part 2 is fixedly arranged on the door body.
The door opening and closing mechanism comprises a hinge shaft 4 and a damping mechanism, wherein two ends of the hinge shaft 4 extend out of the accommodating cavity 31 and are connected with the second door fixing piece 2, so that the second door fixing piece 2 can drive the hinge shaft 4 to rotate; the damping mechanism comprises a damping sleeve 5, a partition 6 and a damping component, wherein the hinge shaft 4 is movably connected with the damping sleeve 5, the hinge shaft 4 drives the damping sleeve 5, the partition 6 is sleeved outside the damping sleeve 5 and is in sealing connection with the inner wall of the containing cavity 31, the containing cavity 31 is divided into a first oil area 61 and a second oil area 62 by the partition 6, the damping sleeve 5 is provided with a first oil hole 55, the first oil area 61 and the second oil area 62 are communicated through the first oil hole 55, the damping component is arranged in the first oil area 61, the hinge shaft 4 is arranged in the second oil area 62, and the damping component provides motion resistance for the second solid door 2 through the hinge shaft 4 and the damping sleeve 5.
The buffer hinge door closing device is provided with an opening and closing door mechanism, the opening and closing door mechanism comprises a hinge shaft and a damping mechanism, and the hinge shaft is connected with a second door fixing piece, so that the second door fixing piece can drive the hinge shaft to rotate, namely, the second door fixing piece drives the hinge shaft to rotate together when rotating. The hinge shaft is movably connected with the damping sleeve, the second door fixing piece transmits momentum to the hinge shaft through the hinge shaft, the damping component provides motion resistance for the hinge shaft, meanwhile, damping oil also provides motion resistance for the hinge shaft, and the two components are matched to achieve the purpose of providing motion resistance for the second door fixing piece, so that a buffer effect is achieved, the door slowly rotates, the situations of excessive force or large hand clamping and door closing noise and the like due to poor ground level processing are avoided, and automatic door closing is realized, so that user experience is improved, and use safety is improved.
As shown in fig. 5-6, the damping sleeve 5 is movably connected with the hinge shaft 4 through a driving assembly, the driving assembly comprises a shaft cavity 51 arranged on the damping sleeve 5, a rack 53 arranged on the inner wall of the shaft cavity 51 and gear teeth 41 arranged in the middle of the hinge shaft 4, openings 52 are arranged at the upper end and the lower end of the shaft cavity 51, the hinge shaft 4 penetrates through the shaft cavity 51 through the openings 52, and the rack 53 is in meshed connection with the gear teeth 41. The length of the rack 53 is greater than the diameter of the hinge shaft 4. That is, the hinge shaft 4 and the damping sleeve 5 are engaged with each other through the rack 53 and the gear teeth 41.
As shown in fig. 2-4, the damping assembly includes a first magnet 7 and a second magnet 8 that attract each other, the first magnet 7 is fixedly connected with the damping sleeve 5, and the second magnet 8 is fixedly connected with the cavity 31. Preferably, the cover 33 is fixed on the cavity 31, and the second magnet 8 is fixedly connected with the cover 33. The damping sleeve 5 is arranged at one end of the two magnets, and the sealing cover 33 is arranged at the other end of the two magnets. The cover 33 encloses the chamber 31 and is fixed to the connector 3. The sealing cover is convenient for installing the damping mechanism, injecting damping oil and installing and fixing the second magnet.
Preferably, as shown in fig. 3-6, the damping sleeve 5 is provided with a mounting groove 54 for mounting the partition 6. The width of the mounting groove 54 is greater than the thickness of the partition 6; the damping sleeve 5 is provided with a second oil hole 55, one end of the second oil hole 56 is opened towards the first oil area 61, and the other end is opened at one side of the wall of the mounting groove 54, which is close to the second oil area 62. The damping sleeve is provided with a second oil hole besides the first oil hole. During the movement of the damping sleeve, damping oil flows between the first oil region 61 and the second oil region 62 through the first oil hole 55. When the damping sleeve 5 moves rightward, damping oil flows from the second oil region 62 to the first oil region 61 through the first oil hole 55. When the damping sleeve 5 moves leftward, damping oil flows from the first oil region 61 to the second oil region 62 through the first oil hole 55. Meanwhile, when the damping sleeve 5 moves rightward, the partition 6 moves to the left of the mounting groove 54, i.e., to the side near the first oil zone 61 due to friction of the partition 6 with the inner wall of the receiving chamber 31, as shown in fig. 3, at this time, damping oil also flows from the second oil zone 62 to the first oil zone 61 through the second oil hole 56. When the damping sleeve 5 moves leftwards, the partition 6 moves to the right side of the mounting groove 54, i.e., to the side close to the second oil zone 62 due to the friction of the partition 6 with the inner wall of the receiving chamber 31, as shown in fig. 4, at this time, damping oil cannot flow from the first oil zone 61 to the second oil zone 62 through the second oil hole 56 because the partition 6 blocks the second oil hole 56 on the mounting groove 54, and damping oil can only flow from the first oil zone 61 to the second oil zone 62 through the first oil hole 55, thereby increasing damping force.
That is, when the door is opened, one of the magnets is pulled apart by the damping sleeve 5, so that the two magnets are separated, and the two magnets generate opposite movement force to the damping sleeve 5 due to the attraction force of the two magnets, and meanwhile, damping oil flows from the second oil area 62 to the first oil area 61 through the first oil hole 55 and the second oil hole 56, so that a damping force opposite to the movement direction of the damping sleeve is generated, and movement resistance is provided to the second door fixing member. When the door is closed, two magnets attract each other, the damping sleeve 5 can be moved to the first oil area 61 quickly under the action of huge magnetic attraction, and the second oil hole 56 is blocked by the separating piece due to friction force, so that damping oil can only flow to the second oil area 62 from the first oil area 61 through the first oil hole 55, compared with the damping force generated during door opening, the damping force is larger, the effect of counteracting huge magnetic attraction can be generated, the door is closed slowly, the hand injury caused by clamping and the overlarge noise caused by door closing are avoided, meanwhile, the effect of automatic door closing can be realized due to the action of the magnetic attraction, and therefore the user experience and the use safety are improved.
Preferably, as shown in fig. 2 and 8, the connecting member 3 is provided with a through hole 32, and the hinge shaft 4 is fixedly connected with the second door fixing member 2 through the through hole 32. The second door fixing member 2 is provided with a shaft slot 21, and the hinge shaft 4 is inserted into the shaft slot 21, so that the hinge shaft 4 is fixedly connected with the second door fixing member 2. The hinge shaft 4 protrudes from the container 31 to the outside of the connector 3 through the through hole 32 and is inserted into the shaft slot 21 of the second door fixing member 2. Specifically, the number of through holes 32 is two, and the through holes are symmetrically arranged at the upper end and the lower end of the connecting piece 3. The number of the shaft grooves 21 is two, and the through holes 32 and the shaft grooves 21 are correspondingly arranged in pairs. Both ends of the hinge shaft 4 are respectively connected to the shaft grooves 21 through the through holes 32. The hinge shaft 4 is fixedly connected to the second door fixing member 2 via the through hole 32 and the shaft slot 21.
More preferably, in order to ensure that the second door fixing member can accurately drive the hinge shaft to rotate when rotating, that is, the second door fixing member and the hinge shaft need to rotate synchronously, as shown in fig. 2 and 5, the shaft slot 21 is provided with a first clamping position (not shown in the drawings), and the hinge shaft 4 is provided with a second clamping position 42, and the first clamping position and the second clamping position 42 are connected, so that the shaft slot 21 and the circumferential direction of the hinge shaft 4 are relatively fixed. The first and second detents 42 are adapted. The first clamping position and the second clamping position are arranged, so that the hinge shaft is prevented from rotating in the shaft groove, the shaft groove and the circumferential direction of the hinge shaft are relatively fixed, and the second door fixing piece can drive the hinge shaft to rotate, namely synchronously rotate.
Preferably, in order to ensure that damping oil does not leak between the through hole and the hinge shaft, as shown in fig. 2, 5 and 8, a sealing assembly for sealing between the through hole 32 and the hinge shaft 4 is provided on the hinge shaft 4. The sealing assembly comprises a sealing groove 9 arranged on the hinge shaft 4 and a sealing piece 10 arranged on the sealing groove 9, wherein the sealing piece 10 is in sealing connection with the inner wall of the through hole 32, so that damping oil is prevented from leaking between the through hole and the hinge shaft.
The separator 6 and the seal 10 are both sealing rings.
The working principle of the buffer hinge door closing device of the invention is as follows: as shown in fig. 3 and 4, when the door is opened, the second door fixing member 2 rotates clockwise and drives the hinge shaft 4 to rotate clockwise, the damping sleeve 5 is pushed rightward under the action of the rack 53 and the gear teeth 41, and simultaneously, the damping sleeve 5 drives the first magnet 7 to move rightward, so that the first magnet 7 and the second magnet 8 are separated from each other by attraction, a damping force opposite to the moving direction of the damping sleeve 4 is generated, and meanwhile, damping oil flows from the second oil area 62 to the first oil area 61 through the first oil hole 55 and the second oil hole 56, so that a damping force is generated for the damping sleeve 4. I.e. the second gate member 2 provides a movement resistance to it under the combined action of the magnet and damping oil. Along with the gradual reduction of the damping oil in the second oil area 62, the motion resistance of the damping oil to the damping sleeve 5 is smaller and smaller, the second door fixing member 2 can slowly rotate to a designated position, a buffering effect is generated for the opening of the door body, and the phenomenon that the door body is accidentally or damaged due to overlarge force during the opening of the door is avoided, so that the user experience and the use safety are improved.
As shown in fig. 4 and 3, when the door is closed, the second door fixing member 2 rotates anticlockwise and drives the hinge shaft 4 to rotate anticlockwise, under the action of the rack 53 and the gear teeth 41, the damping sleeve 5 is moved leftwards, so that the first magnet 7 and the second magnet 8 are separated to be attracted, at this time, the magnetic attraction force of the magnets is the same as the movement direction of the damping sleeve 5, and the first magnet 7 automatically drives the damping sleeve 5 to accelerate leftwards, so that the second door fixing member 2 can automatically rotate, and automatic door closing is realized. Meanwhile, since the second oil hole 56 is blocked by the partition 6, the damping oil can flow from the first oil region 61 to the second oil region 62 only through the first oil hole 55, providing the damping sleeve 5 with a moving resistance. Compared with the door opening process, the damping force is larger, so that the counteracting effect on the huge magnetic attraction force can be generated. Along with the gradual reduction of the damping oil in the first oil area 61, the motion resistance of the damping oil to the damping sleeve 5 is smaller and smaller, the second door fixing member 2 can slowly rotate to a designated position, and a buffering effect is generated for closing the door body, so that the phenomenon that hands are clamped and the noise of closing the door is overlarge or the door body is damaged when the door is closed is avoided, and the user experience and the use safety are improved.
In summary, the invention provides a buffer hinge door closing device, which provides motion resistance for opening and closing a door, avoids unexpected damage to a door body or large noise caused by excessive force, and realizes automatic door closing.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (8)
1. The buffer hinge door closing device is characterized by comprising a first door fixing piece, a second door fixing piece, a connecting piece and an opening and closing door mechanism, wherein the first door fixing piece is fixedly connected with the connecting piece, the connecting piece is provided with a containing cavity, damping oil is filled in the containing cavity, the opening and closing door mechanism is arranged in the containing cavity, and the connecting piece is movably connected with the second door fixing piece through the opening and closing door mechanism;
the opening and closing door mechanism comprises a hinge shaft and a damping mechanism, wherein two ends of the hinge shaft extend out of the accommodating cavity and are connected with the second door fixing piece, so that the second door fixing piece can drive the hinge shaft to rotate; the damping mechanism comprises a damping sleeve, a partition piece and a damping assembly, wherein the hinge shaft is movably connected with the damping sleeve, so that the hinge shaft drives the damping sleeve, the partition piece is sleeved outside the damping sleeve, the partition piece divides the containing cavity into a first oil area and a second oil area, the damping sleeve is provided with a first oil hole, the first oil area and the second oil area are communicated through the first oil hole, and the damping assembly provides motion resistance for the second door fixing piece through the hinge shaft and the damping sleeve;
the damping sleeve is movably connected with the hinge shaft through a driving assembly, the driving assembly comprises a shaft cavity arranged on the damping sleeve, a rack arranged on the inner wall of the shaft cavity and gear teeth arranged in the middle of the hinge shaft, openings are formed in the upper end and the lower end of the shaft cavity, the hinge shaft penetrates through the shaft cavity through the openings, and the rack is in meshed connection with the gear teeth;
the damping assembly comprises a first magnet and a second magnet which are attracted to each other, the first magnet is fixedly connected with the damping sleeve, and the second magnet is fixedly connected with the containing cavity.
2. The cushion hinge door closer of claim 1, wherein the cavity is fixedly provided with a cover, and the second magnet is fixedly connected with the cover.
3. The cushioned hinge door closer of claim 1, wherein the damping sleeve is provided with a mounting groove for mounting the partition.
4. A cushioned hinge door closer as claimed in claim 3, wherein a width of the mounting groove is greater than a thickness of the partition;
The damping sleeve is provided with a second oil hole, one end of the second oil hole is opened towards the first oil area, and the other end of the second oil hole is opened at one side of the installation groove wall, which is close to the second oil area.
5. The cushion hinge door closer of claim 1, wherein the connector has a through hole, and the hinge shaft is fixedly connected to the second door fixing member through the through hole.
6. The cushion hinge door closer of claim 5, wherein the second door fixing member is provided with a shaft slot, and the hinge shaft is inserted into the shaft slot so that the hinge shaft is fixedly connected with the second door fixing member.
7. The buffer hinge door closer of claim 6, wherein the shaft slot is provided with a first detent, the hinge shaft is provided with a second detent, and the first detent is connected with the second detent so that the shaft slot is relatively fixed to the circumference of the hinge shaft.
8. The buffer hinge door closer of claim 5, wherein a sealing member for sealing between the through hole and the hinge shaft is provided on the hinge shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266444.1A CN112431498B (en) | 2020-11-13 | 2020-11-13 | Buffer hinge door closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266444.1A CN112431498B (en) | 2020-11-13 | 2020-11-13 | Buffer hinge door closing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112431498A CN112431498A (en) | 2021-03-02 |
| CN112431498B true CN112431498B (en) | 2024-09-03 |
Family
ID=74701335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011266444.1A Active CN112431498B (en) | 2020-11-13 | 2020-11-13 | Buffer hinge door closing device |
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| CN214996945U (en) * | 2020-11-13 | 2021-12-03 | 箭牌家居集团股份有限公司 | Door closing device with buffering hinge |
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| JP2002309839A (en) * | 2001-04-16 | 2002-10-23 | Shibutani:Kk | Door operating apparatus |
| JP4875592B2 (en) * | 2007-06-05 | 2012-02-15 | 株式会社Ｓｋｂ | Sliding door closing support device |
| ITMI20130044A1 (en) * | 2013-01-15 | 2014-07-16 | Faringosi Hinges Srl | HINGE |
| CN107780740B (en) * | 2016-08-31 | 2020-03-31 | 赵芬 | Angle-adjustable positioning and self-closing hinge for high-sealing door |
| IT201600088717A1 (en) * | 2016-08-31 | 2018-03-03 | C M I Cerniere Mecc Industriali Srl | HINGE DEVICE WITH DAMPING OF THE END OF THE LOCKING STROKE |
| CN207892449U (en) * | 2018-02-08 | 2018-09-21 | 顾可琴 | A kind of low class fit automatic closing door |
| CN209670639U (en) * | 2018-08-21 | 2019-11-22 | 林旭伟 | Door hinge |
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| CN214996945U (en) * | 2020-11-13 | 2021-12-03 | 箭牌家居集团股份有限公司 | Door closing device with buffering hinge |
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