CN101018923A - Door closing device for sliding door - Google Patents

Door closing device for sliding door Download PDF

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Publication number
CN101018923A
CN101018923A CNA2005800293124A CN200580029312A CN101018923A CN 101018923 A CN101018923 A CN 101018923A CN A2005800293124 A CNA2005800293124 A CN A2005800293124A CN 200580029312 A CN200580029312 A CN 200580029312A CN 101018923 A CN101018923 A CN 101018923A
Authority
CN
China
Prior art keywords
door
slide unit
shaped component
hook shaped
closing
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
CNA2005800293124A
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Chinese (zh)
Inventor
永田将宏
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.)
SHIMODAIRA HARDWARE CO Ltd
Original Assignee
SHIMODAIRA HARDWARE 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 SHIMODAIRA HARDWARE CO Ltd filed Critical SHIMODAIRA HARDWARE CO Ltd
Publication of CN101018923A publication Critical patent/CN101018923A/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
    • 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
    • E05F1/16—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/08—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane consisting of two or more independent parts movable each in its own guides
    • 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
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding 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
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • 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
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/108—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with piston rod protruding from the closer housing; Telescoping closers
    • 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
    • E05F3/221—Mechanical power-locks, e.g. for holding the wing open or for free-moving zones
    • 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
    • E05F3/227—Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the top of wings, e.g. details related to closer housings, covers, end caps or rails therefor
    • 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
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E05F5/10—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston brakes
    • 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
    • E05Y2201/404—Function thereof
    • E05Y2201/41—Function thereof for closing
    • E05Y2201/412—Function thereof for closing for the final closing movement
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/45—Mounting location; Visibility of the elements in or on the fixed frame
    • 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
    • E05Y2800/20—Combinations of elements
    • E05Y2800/23—Combinations of elements of elements of different categories
    • E05Y2800/24—Combinations of elements of elements of different categories of springs and brakes
    • 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
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets
    • E05Y2900/202—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets for display cabinets, e.g. for refrigerated cabinets

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

Abstract

A door closing device capable of performing excellent door closing operation by forcibly pulling, at a door closing side end section, a sliding door of storage furniture etc. and appropriately reducing the speed of the sliding door immediately before the end of the closure of the door, and also capable of stabilizing the operation of the sliding door at the time of starting the closure and opening of the door. In a casing A fixed to the end part of a guide rail, a hook member (2) is pivotally fixed to a member (1) sliding in an appropriate region. The sliding member (1) is urged to the door closure side through a coil spring (3), a guide travel body B, traveling along the guide rail, moves in the sliding region of the sliding member (1) in a door closing direction from a state where the traveling body (B) engages with the hook member (2). A reciprocating liquid pressure damper (4) consisting of a cylinder housing section (4a), a piston rod (4b), and liquid reduces the moving speed caused by elastic force of the coil spring (3).

Description

The closing device of sliding door
Technical field
The present invention relates to the closing device of sliding door, it is used in the sliding door of furniture various taking in such as kitchen cabinet, bookcase, showcase, particularly can be approaching to its side end of closing the door by making sliding door, and this sliding door is forced to pull to the side end of closing the door, and, the sliding door speed of closing the door when closing to an end is reduced rightly and close well, and the action in the time of can also making sliding door begin to open and close is stable.
Background technology
In the past, existed the sliding door device that following patent documentation 1 grade is put down in writing.Kitchen cabinet, bookcase, showcase etc. are various take in furniture on, the sliding door with glass window mostly is installed.If less the taking in of frontal width furniture, this sliding door can adopt forming guide rail up and down, the upper and lower end parts of glass plate is inserted very simple structure in this guide rail at positive position.But, for senior furniture and senior cabinet, also require the opening and closing action of sliding door to have thick and heavy sense and also grade superior.Particularly large-scale furniture, the body of its sliding door is also big, and the weight of sliding door itself is also very heavy.
Patent documentation 1: the spy opens 2002-138739 number
This large-scale sliding door is owing to its Heavy Weight, thereby sliding door is Once you begin mobile, just exists the possibility that bumps with the very big impact force and the side end of closing the door suddenly because of its impetus.This state can reduce the quality of furniture, and is unbecoming with senior furniture and cabinet.Want to prevent above-mentionedly at the pass of sliding door reveal at closing time collision status to take place like that, the impetus when sliding door is closed as far as possible a little less than, and this causes sliding door to be not closed completely easily.
This also is the reason that causes the furniture quality to reduce.Have, if closing of sliding door had pooling feature, then its device is comparatively large-scale mostly again, thereby closing device will be exposed to the outside of sliding door device, not only needs to take additional space, and influences its outward appearance.In addition, when opening sliding door, can produce moment owing to the cause of handling position on the moving direction of sliding door sometimes, make sliding door with respect to the guide rail run-off the straight, on-off action is difficult to stablize.
Summary of the invention
The objective of the invention is, particularly for the sliding door of noble furniture and cabinet, can be approaching near it closes the door side end by making sliding door, and this sliding door is forced to pull to the side end of closing the door, and the speed of the sliding door when closing to an end of closing the door is reduced rightly and close well, in addition, make the closing device miniaturization and directly be assembled on the guide rail of sliding door, make that to be assembled in space shared on the sliding door device very little, and the action when sliding door is opened and closed is stable.
Given this, the present inventor is in order to solve above-mentioned problem, carried out research with keen determination, the result, the invention of technical scheme 1 is by providing a kind of closing device of sliding door, and solve above-mentioned problem, the feature of this device is, on the slide unit that appropriate area in the shell of the end portion that is installed on guide rail is slided, rotate hook shaped component is installed freely, described slide unit via helical spring by to closing the reveal application of force, the guiding of advancing along the guide rail body of advancing moves to the direction of closing the door the sliding area of the state on the described hook shaped component at described slide unit from card with onlying, and, possess reciprocating hydraulic and cushion device, this reciprocating hydraulic buffering device comprises the pressure cylinder cylinder body, piston rod and liquid, and the speed that moves that produces by described helical spring elastic force is reduced.
The invention of technical scheme 2 is by providing a kind of closing device of sliding door, and solves above-mentioned problem, and the feature of this device is to comprise: slide unit; Hook shaped component comprises the rotation base portion that links with this slide unit pivot, by hooking sheet, by butt sheet and the holding section that projects upwards by the rotational action of described rotation base portion; Helical spring, to described slide unit to the flexibly application of force of side direction of closing the door; Reciprocating hydraulic buffering device comprises pressure cylinder cylinder body, the piston rod that freely moves back and forth and the sealed liquid that is filled in the described pressure cylinder cylinder body and described piston rod is applied resistance in this pressure cylinder cylinder body; Shell, described slide unit, hook shaped component, helical spring, reciprocating hydraulic buffering device are installed, and be formed with to the main guide portion of described slide unit along continuous straight runs channeling conduct and form at the position near the side of opening the door of this main guide portion be stuck face, and be installed on the guide rail; And guide member, be arranged on the guiding of advancing along described guide rail and advance on the body, the end of the arm shape portion of extending along moving direction be formed with card only described by hooking sheet on and be connected to by the fastener on the butt sheet; Described hook shaped component only is positioned at described slide unit to be swung when opening the door side end, described holding section freely engages with the described face that is stuck, the piston rod of described reciprocating hydraulic buffering device is identical with the moving direction of described slide unit, and the speed that this slide unit is moved under the helical spring effect reduces.
And then, the invention of technical scheme 3, in aforementioned schemes, described reciprocating hydraulic buffering device and described helical spring roughly are provided with side by side.The invention of technical scheme 4, in aforementioned schemes, the piston rod of described reciprocating hydraulic buffering device is arranged on described helical spring inside.Thus, solve above-mentioned problem.
Invention according to technical scheme 1, when sliding door opened and closed, its origination action can not shake and vibrate and can open and close swimmingly, particularly under the situation that the sliding door device as noble furniture and cabinet etc. uses, the action of sliding door is very good, and it is very quiet when finishing to close the door.In addition, sliding door can be forced to pull to the side end of closing the door, and the speed of sliding door of closing the door when closing to an end is reduced rightly and close well, and can also make the closing device miniaturization and directly be assembled on the guide rail of sliding door, space shared when making it be assembled on the sliding door device is very little.
In addition, use the reciprocating hydraulic buffering device that is made of pressure cylinder cylinder body, piston rod and liquid to reduce the speed that moves that produces by above-mentioned helical spring elastic force, moving of sliding door can be slowed down well.Have again, used reciprocating hydraulic buffering device for the translational speed that reduces sliding door, therefore, can make structure very simple, can also make its reliable in action.
According to the invention of technical scheme 2, the moving direction of described piston rod and described slide unit can make the resistance to the migration of this slide unit on the direction of closing the door almost have no to play a role lavishly in the same direction.According to the invention of technical scheme 3, helical spring and reciprocating hydraulic buffering device are set up in parallel, thereby dismounting, the replacing of helical spring or reciprocating hydraulic buffering device can be carried out simply.In addition, helical spring and reciprocating hydraulic buffering device are set up in parallel, can make structure very simple.According to the invention of technical scheme 4, can reduce reciprocating hydraulic buffering device and helical spring accommodation space in the enclosure, and then can make the closing device shape more compact.
Description of drawings
Figure 1A is that closing device of the present invention is installed in major part front view under the state on the sliding door, partly cut-away.
Figure 1B is the enlarged drawing of closing device.
Fig. 1 C is the enlarged drawing that the hook shaped component of closing device enters into the state in the shell.
Fig. 2 A is the exploded perspective view of slide unit, hook shaped component and pressure cylinder.
Fig. 2 B is the broken section enlarged drawing at hook shaped component place.
Fig. 3 A is the lateral view from the major part of the 1st housing department unilateral observation closing device.
Fig. 3 B is the lateral view from the major part of the 2nd housing department unilateral observation closing device.
Fig. 4 A is the lateral view of slide unit, hook shaped component and reciprocating hydraulic buffering device.
Fig. 4 B is the stereogram of slide unit, hook shaped component and reciprocating hydraulic buffering device.
Fig. 5 A is slide unit and the enlarged side view that is in the hook shaped component of heeling condition.
Fig. 5 B is the enlarged side view of slide unit and hook shaped component.
Fig. 6 is the lateral view of the 1st housing department.
Fig. 7 A is the action diagram of hook shaped component when being positioned at main guide portion.
Fig. 7 B is that hook shaped component is positioned at the action diagram when being stuck face.
Fig. 8 A is the amplification figure of hook shaped component when being positioned at main guide portion.
Fig. 8 B is that hook shaped component is positioned at the amplification figure when being stuck face.
Fig. 9 A is the stereogram that guides the body of advancing.
Fig. 9 B is the vertical profile lateral view that the sliding door device of closing device of the present invention is installed.
Figure 10 A is the guiding fastener of the body action diagram during near the hook shaped component of shell of advancing.
Figure 10 B is the action diagram of guiding when advancing being connected by the butt sheet of hook shaped component of the fastener of body and shell.
Figure 10 C is the guiding fastener card of the body action diagram when ending on the hook shaped component of shell of advancing.
Figure 11 A is that guiding advances that the fastener card of body ends on the hook shaped component of shell and action diagram when the interim halted state of hook shaped component removed.
Figure 11 B is the action diagram when closing the door end.
Figure 12 A ends action diagram when beginning to open the door under the state in the enclosure the hook shaped component at the advance fastener card of body of guiding.
To be sliding door move to the direction of opening the door Figure 12 B and make the action diagram of hook shaped component when move the end of opening the door.
Figure 12 C is that the advance fastener of body of guiding breaks away from and action diagram when making hook shaped component be in interim halted state from the hook shaped component of shell.
Figure 13 A is an enlarged drawing of showing the 2nd kind of mounting structure of reciprocating hydraulic buffering device.
Figure 13 B is the enlarged drawing that the hook shaped component of Figure 13 A enters into the state in the shell.
Figure 14 is an action diagram of showing the action of sliding door.
Description of reference numerals
A... shell, the B... guiding body of advancing, the 1... slide unit, the 2... hook shaped component, the 2c... holding section, the 3... helical spring, 4... reciprocating hydraulic buffering device, 4a... pressure cylinder cylinder body, the 4b... piston rod, 7... is stuck face.
The specific embodiment
Below, to embodiments of the present invention in conjunction with the accompanying drawings.Mainly by the formations such as cabinet that closing device constitutes portion's (door closer), the guiding that is installed in sliding door 18 sides is advanced body B, gone up lower guideway and they are installed, slide unit 1, hook shaped component 2, helical spring 3, reciprocating hydraulic buffering device 4 and the shell A etc. of rail-sides constitute and closing device formation portion (door closer) is by being fixed on up and down in the present invention.At first, in closing device formation portion (door closer), shown in Fig. 2, Fig. 4, Fig. 5 etc., above-mentioned slide unit 1 has the roughly 1a of sliding body portion of square shaft shape.The cross section of the 1a of this sliding body portion is roughly square, and its upper surface side is a tabular surface.
Shown in Fig. 2 A, Fig. 4 A, the length direction one distolateral pivot linking part 1c that is formed with of the 1a of this sliding body portion.Be formed with connection shaft 1c on this pivot linking part 1c 1, shown in Fig. 4 A, by this connection shaft 1c 1Link with hook shaped component 2 pivots described later.In addition, the length direction end face of the above-mentioned sliding body 1a of portion, near the above-mentioned pivot linking part 1c, be formed with and be directed projection tab 1d.Shown in Fig. 2, Fig. 4 B, this be directed projection tab 1d be with respect to the length direction of the 1a of sliding body portion generally perpendicularly to the outstanding position of horizontal direction, and its upper surface forms the tabular surface shape.
And this is directed projection tab 1d is the position of sliding along the main guide portion 6 of aftermentioned shell A.In addition, form slide unit operating sheet 1f downwards highlightedly from being directed projection tab 1d.And on slide unit operating sheet 1f, be formed with the helical spring linking part 1e of the end of hook aftermentioned helical spring 3.On the above-mentioned sliding body 1a of portion, be formed with the slip that engages with the slip restrictions 11 of aftermentioned shell A side formation and limit projection 1g[] with reference to Fig. 4 A.1g is on being formed near the end of closing reveal on the length direction of this slide unit 1 for this slip restriction projection, and outstanding to the direction perpendicular to the length direction of slide unit 1.
In addition, on the side end that opens the door of slide unit 1, be formed with the protuberance 1h that projects upwards, sometimes the end of this protuberance 1h and aftermentioned hook shaped component 2 butts and play the effect that the hunting range to hook shaped component 2 limits.Here, just " pass reveal " and " side of opening the door " describes, and described pass reveal is the direction that sliding door 18 moves when closing, and is direction from left to right in Fig. 1.And the described side of opening the door is direction from right to left in Figure 1A.In addition, in shell A, shown in Figure 1B, keeping right is to close reveal, and keeping left is the side of opening the door.
Secondly, hook shaped component 2 comprises: the holding section 2c that rotate base portion 2a, hook portion 2b, projects upwards by the swing of above-mentioned rotation base portion 2a.Described hook portion 2b is by by hooking sheet 2b 1With by butt sheet 2b 2Constitute, this is by hooking sheet 2b 1With by butt sheet 2b 2Almost parallel.Shown in Fig. 5 A, B, described by hooking sheet 2b 1With by butt sheet 2b 2Compare, the size of its short transverse is low.
In addition, by hooking sheet 2b 1With by butt sheet 2b 2Between roughly be the recess 2b of U font for shape 3, the advance guide member 15 of body B of guiding described later can be inserted into this recess 2b 3In.On described rotation base portion 2a, the pivot linking part 1c that is formed with above-mentioned slide unit 1 goes up formed connection shaft 1c 1Insert pivot hole 2a wherein 1, by with above-mentioned connection shaft 1c 1Be inserted into pivot hole 2a 1In, can make slide unit 1 and hook shaped component 2 realize linking, this hook shaped component 2 can freely rotate [with reference to Fig. 4, Fig. 5, Fig. 7 A, Fig. 8 etc.] with respect to slide unit 1 on above-below direction.Above-mentioned holding section 2c is the pivot hole 2a with above-mentioned rotation base portion 2a 1For the center of circle is the position that circular arc forms.Specifically, this holding section 2c is the position that forms as the circumferential lateral surface of rotating base portion 2a.This holding section 2c, be can with respect in the aftermentioned shell A formed be stuck facial 7 carry out that circular arc is rotated and with it near to or in contact with part.In addition, as previously mentioned, the connection shaft 1c of the pivot linking part 1c of hook shaped component 2 and slide unit 1 1By pivot hole 2a 1Center when swinging is the center of the circular arc of above-mentioned holding section 2c.
In addition, also on the hook portion 2b of hook shaped component 2, form guide protrusion 2d sometimes.This guide protrusion 2d is inserted in the upward formed aid in guide of the shell A described later portion 12, hook shaped component 2 is moved well along the length direction of shell A, and the rotational action of this hook shaped component 2 also can well and exactly be carried out.
In addition, shown in Fig. 4 B, Fig. 5 etc., be formed with hook shaped component operating sheet 2e down on the above-mentioned rotation base portion 2a.The effect of this hook shaped component operating sheet 2e is when being stuck in the shell A owing to misoperation, can force to move to the outside of shell A by hook shaped component operating sheet 2e.And this hook shaped component operating sheet 2e can make slide unit 1 and hook shaped component 2 force the operation (with reference to Fig. 3) of moving in the outside of shell A with the outside that above-mentioned slide unit operating sheet 1f is projected into shell A.Have again,, be formed with the card vertical and only use projection tab 2f with the width of hook portion 2b in the top portion of above-mentioned rotation base portion 2a.This card is only used projection tab 2f, be hook shaped component 2 with slide unit 1 when main guide portion 6 described later moves and main guide portion 6 butts the part that moves.
Secondly, shell A is divided into two parts, by the 1st housing department A 1With the 2nd housing department A 2Constitute.Fig. 6 is from the 1st housing department A 1The figure that observes of private side.At the 1st housing department A 1The private side of the 1st main body 5 be formed with main guide portion 6.This main guide portion 6 is along the 1st housing department A 1Length direction form the position of rectilinear form, and its soffit forms even shape.Specifically, this main guide portion 6 is the shape that bloats to the inside from the surface of the 1st main body 5.
In addition, above-mentioned main guide portion 6 is formed on roughly half zone of the side of opening the door on the length direction of above-mentioned the 1st main body 5.As previously mentioned, the soffit of main guide portion 6 is even shape and forms, and the upper surface that is directed projection tab 1d of above-mentioned slide unit 1 is butt with it, and the card of above-mentioned hook shaped component 2 end with projection tab 2f also with main guide portion 6 butts.Be formed with at the place, end of the side direction that opens the door of this main guide portion 6 and be stuck facial 7.Shown in Fig. 6 to Fig. 8 waited, this was stuck facial 7 and is circular arc formation.Specifically, above-mentioned hook shaped component 2 is the circular arc convex surface for the arc surface of convex, and the above-mentioned face 7 that is stuck is an arc-shaped concave for the arc surface of spill.Above-mentioned holding section 2c equates approximately that with the radius of curvature that is stuck facial 7 above-mentioned holding section 2c is can be along being stuck facial 7 parts of rotating sleekly.
In addition, when described hook shaped component 2 moves and arrives when being stuck facial 7 places along main guide portion 6, holding section 2c slides along being stuck facial 7, makes hook shaped component 2 to swing.In addition, along with the holding section 2c of above-mentioned hook shaped component 2 is fastened on above-mentioned being stuck on facial 7, hook shaped component 2 overcomes the elastic force of helical spring 3 and becomes interim halted state being stuck facial 7 places.Described interim halted state is meant a kind of like this state that stops of keeping, that is, can not move when producing vibration a little, and can move after the fastener 15b butt of body B is advanced in guiding.
At this moment, hook shaped component 2 is in by hooking sheet 2b 1The upper end than by butt sheet 2b 2The low heeling condition in upper end.When being in this state, the advance guide member 15 of body B of guiding can freely be come in and gone out in by hooking sheet 2b 1With by butt sheet 2b 2Between.In addition, the 1st housing department A 1The interior reciprocating hydraulic buffering device 4 of installing.The lower side butt that is directed projection tab 1d and described main guide portion 6 of above-mentioned slide unit 1.The elastic force F of above-mentioned helical spring 3 will meet the big condition of resistance T that is produced than above-mentioned reciprocating hydraulic buffering device 4, but the difference of this elastic force F and resistance T can suitably be set.
Secondly, to the 2nd housing department A 2Describe.Figure 1B is to the 2nd housing department A 2The figure that observes of inside, slide unit 1, hook shaped component 2, helical spring 3 and reciprocating hydraulic buffering device 4 are installed.Fig. 3 B is from visual observation the 2nd housing department A 2The time figure.Fig. 3 A is with the 2nd housing department A 2With the figure after the 1st housing department A1 combination, be from the 1st housing department A 1Figure during unilateral observation.
On its 2nd main body 10, be formed with slip restrictions 11 and aid in guide portion 12.This slip restrictions 11 is shape linearly, and the slip restriction projection 1g of above-mentioned slide unit 1 inserts wherein, thereby the moving range of slide unit 1 in shell A limited.That is, play and slide unit 1 is moved in shell A rightly and prevent that slide unit 1 and hook shaped component 2 are shed to the effect of shell A outside.Described slide unit 1 appropriate mobile is meant that moving in the following ranges, this scope are meant, the hook shaped component 2 that the fastener 15b of the body B that is directed advancing pulls out to the direction of opening the door can stop being stuck facial 7 places temporarily.Above-mentioned slip restrictions 11 is slit-shaped and forms, and has the mobile smoothly groove width of slip restriction projection 1g that can make above-mentioned slide unit 1.
Secondly, above-mentioned aid in guide portion 12 is shown in Fig. 3 B, and the guide protrusion 2d of above-mentioned hook shaped component 2 inserts wherein, under hook shaped component 2 stable status, to moving and the wobbling action channeling conduct that it carries out on the length direction of shell A.This aid in guide portion 12, linear slide guide portion 12a that is formed by slit-shaped linearly and the swing guide portion 12b that hook shaped component 2 is swung constitute.Carry out along its length in shell A together when mobile at hook shaped component 2 and slide unit 1, above-mentioned linear slide guide portion 12a plays a part the mobile of hook shaped component 2 supported.In addition, swing guide portion 12b can make hook shaped component 2 move with stable status when swinging.
This aid in guide portion 12 plays and makes slide unit 1 and hook shaped component 2 by means of above-mentioned the 1st housing department A 1 Main guide portion 6 and be stuck facial 7 actions of carrying out and act on more reliably.Therefore, also this aid in guide portion 12 can be set.In addition, can also be designed to, do not have above-mentioned main guide portion 6 and be stuck face 7, and only form aid in guide portion 12, but must have other guide portion that slide unit 1 is slided this moment.
At the 2nd housing department A 2On, be formed with installation on the end that is used to be installed to aftermentioned guide rail 17 with protuberance 13.Insert along length direction from the length direction end of guide rail 17 by installing, can make shell A on guide rail 17, keep stable status with protuberance 13.In addition, the swing guide portion 12b of above-mentioned aid in guide portion 12 is formed on installs, thereby can make hook shaped component 2 under the state outstanding of its part, stably swing from shell A with on the protuberance 13.At the 2nd housing department A 2The bottom and above-mentioned the 1st housing department A 1The position that engages is formed with the 10a of excision portion, and it is strip, and can form the operation slit that makes above-mentioned slide unit operating sheet 1f and hook shaped component operating sheet 2e be projected into shell A outside.
Secondly, above-mentioned helical spring 3 is formed with linking part 3b, 3b in the length direction both end sides of elastic portion 3a shown in Fig. 2 B, and one of them linking part 3b is attached at the 2nd housing department A 2Helical spring linking part 14 on, and another linking part 3b is attached on the helical spring linking part 1e of slide unit 1.Described elastic portion 3a is accommodated in the 2nd housing department A elastically 2In.
Secondly, reciprocating hydraulic buffering device 4 mainly is made of pressure cylinder cylinder body 4a and piston rod 4b shown in Fig. 2, Fig. 4 etc.Be filled with liquid in the described pressure cylinder cylinder body 4a, particularly be advisable with sticking liquid.Described liquid, specifically oil or grease etc.In addition, so long as sticking liquid is not limited to above-mentioned material and material.Described pressure cylinder cylinder body 4a has the sealing that prevents that aforesaid liquid from leaking.
In addition, in the pressure cylinder cylinder body 4a back-moving spring is installed,, it is kept all the time from the outstanding state of pressure cylinder cylinder body 4a the above-mentioned piston rod 4b application of force flexibly.And, even if in the temporary transient indentation pressure cylinder of the above-mentioned piston rod 4b cylinder body 4a, under the effect of above-mentioned back-moving spring, also can make it return to original outstanding state immediately.Shown in Figure 1B, the piston rod 4b of this reciprocating hydraulic buffering device 4 is in outstanding state usually, during action in this piston rod 4b withdraws pressure cylinder cylinder body 4a, inner liquid of being filled and back-moving spring etc. will produce resistance, and the elastic force F of helical spring 3 is decayed.
As previously mentioned, reciprocating hydraulic buffering device 4 is mounted in the shell A, and its mounting structure has two types.The 1st kind of mounting structure is that helical spring 3 and reciprocating hydraulic buffering device 4 is set up in parallel in shell A.At first, at described the 1st housing department A 1With the 2nd housing department A 2In some at least shell A in be formed with the snubber receiving room 9 of taking in reciprocating hydraulic buffering device 4.Reciprocating hydraulic buffering device 4 is fixed in this snubber receiving room 9 with not movable state.Specifically, shown in Figure 1A to C, described snubber receiving room 9 is made of partition wall 9a, and above-mentioned reciprocating hydraulic buffering device 4 is installed among the shell A with the state that is surrounded by above-mentioned partition wall 9a.
This reciprocating hydraulic buffering device 4 is configured to state arranged side by side, its piston rod 4b in above-mentioned shell A with above-mentioned helical spring 3 almost parallels.That is, in above-mentioned shell A, helical spring 3 and reciprocating hydraulic buffering device 4 branches are arranged.So, when helical spring 3 or reciprocating hydraulic buffering device 4 generation deteriorations, can carry out their dismounting, replacing comparatively simply.Specifically, the linking part of the other end of the above-mentioned helical spring 3 partition wall 9a that is hooked on the snubber receiving room 9 of above-mentioned reciprocating hydraulic buffering device 4 goes up on the formed helical spring linking part 14.
So the elastic force that the piston rod 4b of reciprocating hydraulic buffering device 4 overcomes helical spring 3 enters in the pressure cylinder cylinder body 4a.As the 2nd kind of mounting structure of helical spring 3 and reciprocating hydraulic buffering device 4, shown in Figure 13 A, B, reciprocating hydraulic buffering device 4 is accommodated in interior all sides of helical spring 3.In this case, the axial rearward end of reciprocating hydraulic buffering device 4 is fixed in the shell A.Above-mentioned helical spring 3 makes reciprocating hydraulic is cushioned the piston rod 4b of device 4 and the structure that pressure cylinder cylinder body 4a takes in perimembranous in it.Like this, reciprocating hydraulic is cushioned device 4 be accommodated in structure in the helical spring 3, can reduce the accommodation space of helical spring 3 and reciprocating hydraulic buffering device 4, and then can make closing device more compact by making.
The effect of this reciprocating hydraulic buffering device 4 is to reduce the speed of the slide unit that elastic force F caused 1 on the direction of closing the door of above-mentioned helical spring 3.Shown in Fig. 1, Fig. 2 B, Fig. 4 B, Fig. 5 B etc., above-mentioned reciprocating hydraulic buffering device 4 produces resistance T with respect to ordering about the elastic force F of above-mentioned slide unit 1 to the side shifting of closing the door, and the door closing force P that deducts resistance T gained with elastic force F makes slide unit 1 and hook shaped component 2 to the side shifting of closing the door.Promptly, the guiding that sliding door 18 the is supported body B that advances, be under the effect of the power of F-T=P, to move, and as shown in figure 14, the initial velocity Vn that can make sliding door 18 ends under the state on the hook shaped component 2 plays the effect of the door closing force P that closes the door between tailend at the fastener 15b of the body B that advances from guiding card and becomes lower speed Vm.
Secondly, guide member 15 is installed in and guides on the body B that advances, arm shape 15a of portion that is extended by the moving direction of the body B that advances along this guiding and the fastener 15b that is formed on the end of this arm shape 15a of portion constitute, and this fastener 15b is hook-shaped outstanding with respect to the length direction of the above-mentioned arm shape 15a of portion to horizontal direction.At closing time, with above-mentioned be stuck the hook shaped component 2 that is in interim halted state on facial 7 by butt sheet 2b 2Butt hook shaped component 2 is moved on the main guide portion 6 from being stuck facial 7, and fastener 15b enters into by hooking sheet 2b 1With by butt sheet 2b 2Between, be fastened on the above-mentioned hook shaped component 2.
Guide sections part 15 be installed in as with guiding advance position that body B is connected, guiding specifically advances on the travel section 16 at main position of body B.As shown in Figure 9, the above-mentioned guiding body B that advances plays a part to make sliding door 18 to move along guide rail 17.Described guide rail 17, have be positioned at sliding door 18 tops and be positioned at sliding door 18 belows.Arbitrary guide rail 17 all has 1 or many rail portion 17a, 17a.All rail portion 17a, 17a of these guide rails 17 below be formed with guiding and use opening 17a 1, at described guiding opening 17a 1One-sided or both sides be formed with rail portion 17a 2, 17a 2
With the upper rall 17 corresponding above-mentioned guiding body B that advances, be the suspension type roller body of advancing, travel section 16 is made of advance main part 16a and roller 16b, 16b.The described main part 16a that advances has and plays the bolster 16c that adjusts upward the effect of position with respect to sliding door 18 at upper and lower, and the connector 19 that is connected usefulness with sliding door 18 is installed in the bottom of this bolster 16c.So, guide the body B that advances to be connected through connector 19 with sliding door 18.
In addition, in the lower side of sliding door 18 the guiding body B that advances is installed also.The guiding of this lower side body B that advances is installed on the guide rail 17 of bottom, and is roughly the same with the body B that advances of the guiding on the guide rail 17 that is installed in upper side, and the lower guide body B that advances can slide in above-mentioned guide rail 17.On the guide rail 17 of this lower side, door closer is installed also, and the guiding of the lower side body B that advances is provided with guide member 15.Mounting structure and guide member 15 the mounting structure top guiding advance body B on of guide member 15 on lower guide is advanced body B is roughly the same.
Door closer being installed on the upper rall 17, being guided under the situation that guide member 15 is installed on the body B that advances, door closer can be installed specially on lower guide 17 sometimes yet.In addition, can also closing device of the present invention be installed on upper rall 17 and closing device of the present invention is installed on lower guide 17.What Figure 14 showed is the furniture with sliding door device that closing device of the present invention has been installed.
Below, each action when just carrying out the opening and closing of sliding door 18 with closing device of the present invention describes.At first, in conjunction with Figure 10, Figure 11 the closing motion of sliding door is described, shown in Figure 10 A, slide unit 1 and hook shaped component 2 pivots link, and under its original state, the holding section 2c of hook shaped component 2 is fastened on shell A (the 1st housing department A 1) be stuck on facial 7 and be in interim halted state.Afterwards, when the sliding door of opening 18 when the direction of closing the door [being from left to right in Figure 10 A] is mobile, move closer in hook shaped component 2, shown in Figure 10 B, the fastener 15b of guide member 15 terminal with hook shaped component 2 by butt sheet 2b 2Butt.
When guiding is advanced body B further when the direction of closing the door moves, fastener 15b just plays by butt sheet 2b 2The effect that pushes, when the rotation base portion 2a of hook shaped component 2 rotated with respect to slide unit 1, above-mentioned holding section 2c was from facial 7 disengagings of being stuck of shell A, and the interim halted state of hook shaped component 2 is removed.Specifically, in Fig. 7 B and Fig. 8 B, rotating base portion 2a to the right handed while, holding section 2c breaks away from from being stuck facial 7.At this moment, guiding is advanced the fastener 15b of body B through the process shown in Figure 10 C and Figure 11 A, with hook shaped component 2 by butt sheet 2b 2In the time of butt, enter into by hooking sheet 2b 1With by butt sheet 2b 2Between the recess that is roughly the U font in.
So, when the two carries out snap action at fastener 15b and hook shaped component 2, the interim halted state of hook shaped component 2 is removed, approximately at the same time, the guide protrusion 2d that is even shape formation of this hook shaped component 2 becomes and main guide portion 6 state of contact, and the projection tab 1d that is directed of facial 2d of the slip of this hook shaped component 2 and above-mentioned slide unit 1 moves to the direction of closing the door under the elastic force F of above-mentioned helical spring 3 effect jointly.At slide unit 1 and hook shaped component 2 during, with respect to the elastic force-applying directive effect resistance T of the elastic force F of helical spring 3 in the action of carrying out under the effect of described helical spring 3 moving to the direction of closing the door.Therefore, the elastic force F of helical spring 3 deducts the power of the resistance T gained of reciprocating hydraulic buffering device 4, and promptly the power of F-T is actual door closing force P.Under the effect of this door closing force P, sliding door 18 will be closed the door action and the speed of initially the closing the door Vn that obtains carries out above-mentioned deceleration from the people, under the effect of described door closing force P, become slowly speed Vm and the action of closing the door, pressure arrives the end of the direction of closing the door to closing the door side shifting, finish the action of closing the door [with reference to Figure 11 B, Figure 14 etc.].
Secondly, in conjunction with Figure 12 the action of opening the door of sliding door 18 is described.At first, shown in Figure 12 A, hook shaped component 2 is arranged under original state by on the position of closing reveal [Figure 12 A is on the right side], be installed in above-mentioned guiding advance guide member 15 on the body B be in card only hook shaped component 2 by hooking sheet 2b 1On state.Afterwards, shown in Figure 12 B, move to the direction of opening the door [in Figure 12 B from right to left] by making above-mentioned sliding door 18, be installed in guiding advance 15 pairs of guide members on the body B be in card only state hook shaped component 2 by hooking sheet 2b 1Carry out towing, force to make hook shaped component 2 and slide unit 1 along main guide portion 6 to the side shifting of opening the door.
When sliding door 18 further moves to the direction of opening the door, hook shaped component 2 arrives when being stuck facial 7 places, the side end butt that opens the door of restriction projection 1g and the slip restrictions of sliding plays the effect of retainer in the sliding action of slide unit 1, the slip of slide unit 1 is stopped.At this moment, the holding section 2c of hook shaped component 2 arrives and is stuck facial 7 places.Along with proceeding of the action of opening the door of above-mentioned sliding door 18, guiding advance the fastener 15b of body B have with hook shaped component 2 by hooking sheet 2b 1The trend of pulling out, thus make hook shaped component 2 be rotated by rotating base portion 2a.Specifically, shown in Fig. 7 B, Fig. 8 B, Figure 12 C, hook shaped component 2 is that middle mind-set is counterclockwise rotated to rotate base portion 2a, and holding section 2c moves to and is stuck on facial 7 and engaging with it.Hook shaped component 2, under the effect of slide unit 1 and the elastic force that is connected the helical spring 3 on this slide unit 1, holding section 2c and be stuck facial 7 states that remain engaging butt under suitable pressure effect, therefore, hook shaped component 2 is being stuck facial 7 everywhere in interim halted state.
This hook shaped component 2 is to the oblique state of the inclination of opening the door, thereby by hooking sheet 2b 1The top portion step-down, guiding is advanced the fastener 15b of body B from by hooking sheet 2b 1Last disengaging, the two fastening state of fastener 15b and hook shaped component 2 is disengaged, and further to opening side shifting, opening action finishes sliding door 18.In Figure 10 to Figure 12, because main guide portion 6 is at the 1st housing department A with being stuck facial 7 1Side forms, thus should main guide portion 6 be stuck facial 7 with dashed lines and draw.
The present invention is mounted in the device on the side of closing the door of cabinet etc., rotation hook shaped component 2 freely is installed on the slide unit 1 that the appropriate area in shell A is slided, above-mentioned slide unit 1 via helical spring 3 by to closing the reveal application of force, and, be subjected to making the elastic force F of this helical spring 3 to reduce, cushion the effect of the resistance T of device 4 generations by reciprocating hydraulic, the guiding of advancing along the last lower guideway 17 body B that advances moves to the direction of closing the door in the sliding area of above-mentioned slide unit 1 from the state that card ends on above-mentioned hook shaped component 2, therefore, can make sliding door 18 action of gently closing the door, and can make the origination action of closing the door and opening the door stable and do not shake.
That is, slide unit 1 and hook shaped component 2 make hook shaped component 2 swings freely by the pivot binding.And, this slide unit 1 moves to the direction of closing the door in shell A, that lean on is the elastic force F of helical spring 3, and owing to possess the above-mentioned reciprocating hydraulic buffering device 4 that reduces this elastic force F, the above-mentioned guiding body B that advances can deduct at the elastic force F of helical spring 3 under the power effect after the resistance T of reciprocating hydraulic buffering device 4, move to the direction of closing the door, can be very gently and stably carry out the very good action of closing the door.Closing device formation portion (door closer) is installed on the described guide rail 17, and the guiding body B that advances can make the closing the door action of opening the door stable and do not shake by each guide member 15,15.
Secondly,, by making above-mentioned sliding door 18 approaching near it closes the door side end, and this sliding door 18 is forced to pull to the side end of closing the door, and the speed of closing sliding door 18 when closing to an end is slowly reduced and close well according to the present invention.And, can also make the closing device miniaturization and directly be assembled on the guide rail 17 of sliding door 18, space shared when being assembled on the sliding door device is very little.In addition, when the origination action of closing the door and opening the door, sliding door 18 can run-off the straight and can not have joltily stable moving.
That is, be formed with by hooking sheet 2b 1With by butt sheet 2b 2Hook shaped component 2 with respect to slide unit 1 swing freely, and the rotation by above-mentioned rotation base portion 2a makes holding section 2c project upwards.2 of above-mentioned hook shaped components are positioned at above-mentioned slide unit 1 to be swung when opening the door side end, and above-mentioned holding section 2c can be stuck facial 7 and freely engage with above-mentioned.Therefore, at closing time, hook shaped component 2 can stably be in interim halted state in the side of opening the door under original state.That is, hook shaped component 2 swing of direction to the left and right when carrying out wobbling action is little, thereby fault is seldom taken place.
Have again, advance the fastener 15b of body B will be fastened on the hook shaped component 2 time in guiding, engage sleekly, and, be that effect lower slider parts 1 and hook shaped component 2 at helical spring 3 moves to the direction of closing the door, but this moment, the resistance T of reciprocating hydraulic buffering device 4 can play the effect that the elastic force F that makes helical spring 3 reduces, and slide unit 1 and hook shaped component 2 that body B moves can move with mild speed in shell A rightly thereby guiding is advanced.In addition, according to the present invention, slide unit 1 in the shell A and hook shaped component 2 move along the length direction of shell A, and the advance moving direction of body B of this moving direction and guide rail 17 interior guiding is identical.
Therefore, the shell A among the present invention can be installed in the advance length direction end of body B of guiding, thereby roughly becomes one with guide rail 17, makes the installation of apparatus of the present invention more easy and can save installing space.In addition, guide rail 17 is equipped with closing device formation portion (door closer), when sliding door 18 is closed and is opened, be installed in closing device formation portion (door closer) on the guide rail 17 and guiding and advance that body B can balance be moved well via guide member 15, make sliding door 18 when the initial actuating of closing the door and opening the door, can not tilt, stable and do not shake.
In addition, because above-mentioned shell A is arranged on the length direction end of guide rail 17 roughly in alignmently, thereby can make the general structure of closing device more compact.In addition, above-mentioned shell A is arranged on the top board rear side of cabinet and base plate face side and is parastate with guide rail 17 and is adjacent to be provided with, and is installed on the cabinet by the shell A that closing device is constituted portion's (door closer), can form comparatively firm mounting structure.
Secondly, because above-mentioned holding section 2c and be stuck facial 7 to form with the pivot linking part be the circular arc convex surface and the arc-shaped concave of center of rotation, therefore, thereby move to from main guide portion 6 when being stuck on facial 7 holding section 2c and being stuck facial 7 engagings at hook shaped component 2, the rotational action of hook shaped component 2 can be very slick and sly.

Claims (4)

1. the closing device of a sliding door, it is characterized in that, on the slide unit that appropriate area in the shell of the end portion that is installed on guide rail is slided, rotate hook shaped component is installed freely, described slide unit via helical spring by to closing the reveal application of force, the guiding of advancing along the guide rail body of advancing only moves to the direction of closing the door the sliding area of the state on the described hook shaped component at described slide unit from card, and, possesses reciprocating hydraulic buffering device, this reciprocating hydraulic buffering device comprises the pressure cylinder cylinder body, piston rod and liquid, and the speed that moves that produces by described helical spring elastic force is reduced.
2. the closing device of a sliding door is characterized in that, comprising:
Slide unit;
Hook shaped component comprises the rotation base portion that links with this slide unit pivot, by hooking sheet, by butt sheet and the holding section that projects upwards by the rotational action of described rotation base portion;
Helical spring, to described slide unit to the flexibly application of force of side direction of closing the door;
Reciprocating hydraulic buffering device comprises pressure cylinder cylinder body, the piston rod that freely moves back and forth and the sealed liquid that is filled in the described pressure cylinder cylinder body and described piston rod is applied resistance in this pressure cylinder cylinder body;
Shell, described slide unit, hook shaped component, helical spring, reciprocating hydraulic buffering device are installed, and be formed with to the main guide portion of described slide unit along continuous straight runs channeling conduct and form at the position near the side of opening the door of this main guide portion be stuck face, and be installed on the guide rail;
And guide member, be arranged on the guiding of advancing along described guide rail and advance on the body, the end of the arm shape portion of extending along moving direction be formed with card only described by hooking sheet on and be connected to by the fastener on the butt sheet;
Described hook shaped component only is positioned at described slide unit to be swung when opening the door side end, described holding section freely engages with the described face that is stuck, the piston rod of described reciprocating hydraulic buffering device is identical with the moving direction of described slide unit, and the speed that this slide unit is moved under the helical spring effect reduces.
3. the closing device of sliding door as claimed in claim 2 is characterized in that, described reciprocating hydraulic buffering device and described helical spring roughly are provided with side by side.
4. the closing device of sliding door as claimed in claim 2 is characterized in that, the piston rod of described reciprocating hydraulic buffering device is arranged on described helical spring inside.
CNA2005800293124A 2004-08-30 2005-06-30 Door closing device for sliding door Pending CN101018923A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004251153A JP2006063767A (en) 2004-08-30 2004-08-30 Sliding door closing device
JP251153/2004 2004-08-30

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CN101018923A true CN101018923A (en) 2007-08-15

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KR (1) KR100803818B1 (en)
CN (1) CN101018923A (en)
WO (1) WO2006025149A1 (en)

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