CN1208538C - Door hinge device having damping function - Google Patents

Door hinge device having damping function Download PDF

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Publication number
CN1208538C
CN1208538C CN 02803808 CN02803808A CN1208538C CN 1208538 C CN1208538 C CN 1208538C CN 02803808 CN02803808 CN 02803808 CN 02803808 A CN02803808 A CN 02803808A CN 1208538 C CN1208538 C CN 1208538C
Authority
CN
China
Prior art keywords
keeper
shell
hole
polygon
door hinge
Prior art date
Application number
CN 02803808
Other languages
Chinese (zh)
Other versions
CN1486389A (en
Inventor
闵丙德
Original Assignee
索莱技术公司
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
Priority to KR0002593/2001 priority Critical
Priority to KR20010002593A priority patent/KR100403366B1/en
Application filed by 索莱技术公司 filed Critical 索莱技术公司
Publication of CN1486389A publication Critical patent/CN1486389A/en
Application granted granted Critical
Publication of CN1208538C publication Critical patent/CN1208538C/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/08Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/20Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00Constructional elements; Accessories therefore
    • E05Y2201/40Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/43Motors
    • E05Y2201/448Fluid motors; Details thereof
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10Additional functions
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132Doors

Abstract

Disclosed is a door hinge device having a damping function. Owing to cooperation of an adjusting bolt, an upper holder and a shaft, the door hinge device can properly adjust a size of a gap defined between a fixed plate and a rotating plate when the size varies, for example, due to a discrepancy in specifications between a door and a doorframe. By the presence of a ball bearing, the door hinge device can minimize frictional force produced between component elements so that a lifetime of the door hinge device is lengthened and various springs can be used in the door hinge device irrespective of their elastic moduli.

Description

Door hinge device with damping function

Technical field

The present invention relates to a kind of door hinge device, particularly relate to a kind of door hinge device with damping function, it can suitably keep the opening and closing speed of door.

Background technology

Usually, door is rotatably connected on the doorframe by the door hinge device with damping function.This door hinge device can suitably be kept the opening and closing speed of door, thereby can prevent the caused contingency of too fast switching because of door.And door hinge device can be so that can make it close automatically when in a single day door is opened.

A representative instance with door hinge device of damping function is disclosed in denomination of invention among the Korean patent publication 1999-81808 of " door hinge ".This door hinge comprises a shell.An oil pressure control agent is integrally formed on the side of shell, and a hinge is arranged in the shell by centering.A lid shape connector is assembled on the upper end of shell.A door installing plate is locked on the upper end of door, and is fixed on the shell.A doorframe installing plate is connected on the connector threadably, is locked on the connector by nut then, is fixed on the doorframe again.Centering is arranged in that hinge in the shell passes connector and is fixed with respect to doorframe.Hinge is used for raising and reducing a piston.Under the rotary action of shell, piston raises and reduction along hinge in oil-overflow cylinder cavity.Piston is as flap valve.Spring be positioned in piston below, be used for applying elastic force to it.A capping is connected on the lower end of shell threadably.A control valve is positioned in the oil pressure control agent, is used to control the oil mass that cycles through passage and oil circuit.

Traditional door hinge device as above-mentioned structure has following shortcoming: it is not used in any device of the gap size variation that is limited between compensation door installing plate and the doorframe installing plate, and this change in size may cause because of there being specification difference between door and the doorframe.Simultaneously, because of hinge be placed between the parts in the shell and can produce very large frictional force, so must use the spring of modulus of elasticity less than predetermined value.

Summary of the invention

Therefore, the present invention develops in order to solve the problem that occurs in the prior art, purpose provides a kind of door hinge device with damping function, can there be specification difference in it and suitably regulates described size when gap size between fixed head and the rotor plate is changed between for example Yin Men and doorframe, and it can make the minimum friction forces that produces between the parts, thereby can prolong the application life of door hinge, and can in door hinge device, use various springs, and need not consider their modulus of elasticity.

To achieve these goals, according to the present invention, provide a kind of door hinge device, it is installed between door and the doorframe, is used for making door can close automatically after opening, and the opening and closing speed that is used for adjustment doors, described door hinge device comprises: adjustable plate, and it has the polygonal hole of perforation; Last keeper, it has polygonal head and cylindrical keeper body, wherein polygonal head is inserted in the polygonal hole of adjustable plate, and cylindrical keeper body is integrally formed on the lower end of polygonal head, and last keeper also is provided with the screwed hole of break-through polygonal head and keeper body; Regulate bolt, it passes adjustable plate and last keeper; Fixed head, it is fixed on the doorframe, and has last keeper hole, and described going up assembled the described keeper of going up in the keeper hole; Following keeper, it has annular board and polygon body, and wherein the upper surface of annular board contacts with fixed head, and polygon body and annular board are whole to be formed, and extend downwards from annular board, following keeper also is provided with the through hole of break-through annular board and polygon body; Rotor plate, it is fixed on the door, and has following keeper hole, is assembling the described polygon body of keeper down in the described keeper hole down; Upper ring body is formed with the polygon groove of the polygon body that is used to receive down keeper on its upper surface, upper ring body with the approaching external peripheral surface in its lower end on also be formed with external thread part; Shell, itself and rotor plate unitary rotation, and have first internal thread part, guide groove and second internal thread part, wherein first internal thread part be formed on the shell with the approaching inner circumferential surface in upper end on, guide groove is from the downward definite length extended of first internal thread part, and second internal thread part is formed on the near inner circumferential surface of shell up and down termination; Axle, it is placed in the shell, and have polygon bar portion, outward flange, round bar portion and a thread rod part, wherein outward flange is formed on the lower end of polygon bar portion, round bar portion is formed on the lower end of outward flange, thread rod part is formed on the lower end of round bar portion, and polygon bar portion is formed with the thread groove that is conditioned the bolt screw-in on the surface thereon; Ball bearing, its be positioned at axle outward flange below, be used to reduce the friction between axle and the shell; Lower ring body, it is connected on first internal thread part of shell threadably, is used to support ball bearing; Spring, it is placed in the shell below lower ring body; Sliding sleeve, it slides along above-below direction when shell rotates, supporting the lower end of spring simultaneously, sliding sleeve is structure ringwise, and have outer guiding projection and interior guiding projection, its China and foreign countries' guiding projection is formed on the external peripheral surface of sliding sleeve, so that be assemblied in slidably respectively in the guide groove of shell, interior guiding projection is formed on the inner circumferential surface of sliding sleeve; Piston, it has the path part, large-diameter portion divides and the axle coupling part, wherein the path part is formed with the sliding sleeve guide groove on its external peripheral surface, the interior guiding projection of sliding sleeve is assemblied in respectively in the sliding sleeve guide groove, the large-diameter portion branch is integrally formed on the lower end of path part, the axle coupling part is installed on the upper end of path part by this way, and promptly Zhou thread rod part is connected on the coupling part threadably; Flap valve, it is assemblied in the piston, is used to prevent the living backflow of fry dried food ingredients; Oil cylinder, it is assemblied in the shell by this way, and promptly piston is placed in the oil cylinder; And capping, it screws in second internal thread part of shell, is used for support piston and oil cylinder.

Description of drawings

After the reference accompanying drawing is read following detailed, above-mentioned purpose of the present invention, other feature and advantage are become apparent.Accompanying drawing comprises:

Fig. 1 is a decomposition diagram, expression be total according to the door hinge device with damping function of the embodiment of the invention; And

Fig. 2 is a sectional view, expression be confined state according to door hinge device of the present invention.

The specific embodiment

Example with reference to the accompanying drawings describes in detail the preferred embodiments of the present invention.In institute's drawings attached and description process, same or similar parts use identical Reference numeral to represent as much as possible.

As illustrated in fig. 1 and 2, the door hinge device with damping function according to the embodiment of the invention comprises: adjustable plate 110, go up keeper 120, regulate bolt 130, fixed head 140, keeper 150, rotor plate 160, upper ring body 170, shell 210, axle 220, axle bush 230, ball bearing 240, lower ring body 250, spring 260, upper spring lid 270, lower spring lid 280, sliding sleeve 310, piston 320, flap valve 330, oil cylinder 340, capping 350, oil pressure adjusting screw 360 and strainer 370 down.

Adjustable plate 110 will go up keeper 120 and fixed head 140 is connected with each other.Be formed with the polygonal hole 112 and the pair of locking hole 114 of perforation in the adjustable plate 110, lock hole 114 lays respectively at the both sides of polygonal hole 112.Can place independent lid on the adjustable plate 110.

Last keeper 120 is connected with each other fixed head 140 and following keeper 150.Last keeper 120 has polygonal head 122 and cylindrical keeper body 124, and wherein polygonal head 122 is inserted in the polygonal hole 112 of adjustable plate 110, and cylindrical keeper body 124 is integrally formed on the lower end of polygonal head 122.Last keeper 120 is provided with the screwed hole 126 of break-through polygonal head 122 and keeper body 124.

When gap size between fixed head 140 and the rotor plate 160 is changed, regulate bolt 130 and be used to regulate above-mentioned size.Regulate bolt 130 and pass polygonal hole 112 and screwed hole 126, be threaded into then in the thread groove 221 of axle 220.Therefore, rotate, because axle 220 is also along the equidirectional rotation, so the vertical position of axle 220 in shell 210 can be changed if regulate bolt 130.

Fixed head 140 is fixed on the doorframe.Fixed head 140 has last keeper hole 142 and a plurality of lock hole 144, and last keeper 120 is assemblied in the keeper hole 142, and bolt can pass lock hole 144, so that fixed head 140 is fixed on the doorframe.

Following keeper 150 will be gone up keeper 120, rotor plate 160 and upper ring body 170 and be connected with each other.Following keeper 150 has annular board 152 and polygon body 154, and the upper surface of wherein annular board 152 contacts with fixed head 140, polygon body 154 and annular board 152 whole formation, and extend downwards from annular board 152.Following keeper 150 is provided with the through hole 156 of break-through annular board 152 and polygon body 154.A pair of pilot hole 158 is respectively formed at down on the both sides of keeper 150, so that along radially extending.

Rotor plate 160 is fixed on the door.Rotor plate 160 is connected on the shell 210 by means of descending keeper 150 and upper ring body 170.Rotor plate 160 has keeper hole 162 and a plurality of lock hole 164 under the polygon, and the polygon body 154 of following keeper 150 is assemblied under the polygon in the keeper hole 162, and bolt can pass lock hole 164, so that rotor plate 160 is fixed on the door.

Upper ring body 170 will descend keeper 150 and shell 210 to be connected with each other.Upper ring body 170 surface thereon is formed with polygon groove 172, and the polygon body 154 of following keeper 150 is received in the polygon groove 172.Upper ring body 170 with the contiguous external peripheral surface in its lower end on also be formed with external thread part 174, this external thread part 174 is connected on first internal thread part 212 of shell 210.A pair of pilot hole 176 is formed on the upper ring body 170 in the both sides with the upper end vicinity respectively, so that along radially extending.O shape ring 178 is sleeved on the upper ring body 170 directly over external thread part 174.

Shell 210 is as the main body of the door hinge device with damping function, thereby main body has constituted specific characteristic of the present invention.Shell 210 has first internal thread part 212, guide groove 214 and second internal thread part 216, wherein first internal thread part 212 is formed on the inner circumferential surface that is adjacent to the upper end on the shell 210, guide groove 214 is from first internal thread part, 212 downward definite length extended, and second internal thread part 216 is formed on the inner circumferential surface that is adjacent to the lower end on the shell 210.A pair of pilot hole 218 is formed on the shell 210 in the both sides with the upper end vicinity respectively, so that along radially extending.Each guide groove 214 is limited between two guiding projections, and these guiding projections only are formed on roughly the first half of shell 210.In view of the above, roughly the latter half of shell 210 has the inner circumferential surface with the bottom surface coplane of guide groove 214.Sliding sleeve 310 moving up in shell 210 is subjected to the guiding projection restriction.Shell 210 and rotor plate 160 unitary rotation.

Axle 220 is positioned in the shell 210, is used for raising when door opens and closes and reducing sliding sleeve 310 and piston 320.Axle 220 has polygon bar portion 222, outward flange 224, round bar portion 226 and thread rod part 228, wherein outward flange 224 is formed on the lower end of polygon bar portion 222, round bar portion 226 is formed on the lower end of outward flange 224, and thread rod part 228 is formed on the lower end of round bar portion 226.Polygon bar portion 222 is formed with thread groove 221 on the surface thereon, regulates bolt 130 and screws in this thread groove 221.Axle 220 not with rotor plate 160 and shell 210 unitary rotation, but move along above-below direction at following of rotary action regulating bolt 130.

Axle bush 230 is used to prevent that upper ring body 170 from directly contacting with axle 220.Axle bush 230 is positioned between the outward flange 224 and upper ring body 170 of axle 220.

Ball bearing 240 is used for preventing that at shell 210 axle 220 from directly contacting with lower ring body 250, and has constituted another specific characteristic of the present invention.Ball bearing 240 be positioned at this state axle 220 outward flange 224 below, promptly it is assemblied in the lower ring body 250.Ball bearing 240 is positioned between axle 220 and the lower ring body 250, also, can produce on the position of very big frictional force at the torsion that acts on spring 260 and the piston 320 when door rotates.Therefore, ball bearing 240 is reducing to play important effect between the parts aspect the frictional force.In traditional door hinge device, owing to producing frictional force between lower ring body when shell rotates and the axle, so should and must use modulus of elasticity to be not less than the spring of predetermined value.Yet, in door hinge device according to the present invention, because ball bearing 240 can reduce the frictional force between lower ring body 250 and the axle 220 in shell 210, so can use various springs with any modulus of elasticity.

Lower ring body 250 is supporting ball bearing 240, and is connected threadably on first internal thread part 212 of shell 210.The upper surface of lower ring body 250 contacts with the soffit of upper ring body 170.

Spring 260 provides the restoring force that door is closed automatically.Spring 260 is positioned in below the lower ring body 250 in shell 210.When door was opened, spring 260 can be compressed by piston 320, to gather elastic energy therein.At this moment, when the external force on acting on door removed, spring 260 will pass to door with the elastic energy of gathering, thereby door is automatically closed.

Upper spring lid 270 and lower spring lid 280 are set in the top and bottom of spring 260.Upper and lower spring cup 270 and 280 is used to prevent spring 260 and directly contacts between the parts of spring 260 upper and lowers.

Under the guiding of guide groove 214, sliding sleeve 310 moves on the inner circumferential surface of shell 210 along above-below direction.Sliding sleeve 310 is structure ringwise, and have outer guiding projection 312 and interior guiding projection 314, its China and foreign countries' guiding projection 312 is formed on the external peripheral surface of sliding sleeve 310, so that be assemblied in slidably respectively in the guide groove 214 of shell 210, interior guiding projection 314 is formed on the inner circumferential surface of sliding sleeve 310, so that be assemblied in slidably respectively in the sliding sleeve guide groove 321 of piston 320.When shell 210 rotated, sliding sleeve 310 will be under the migration of piston 320 and slide along above-below direction.

Under the rotary action of shell 210, piston 320 can raise in shell 210 and reduce.Piston 320 has path part 322, large-diameter portion and divides 324 and axle coupling part 326.Path part 322 is formed with sliding sleeve guide groove 321 on its external peripheral surface, the interior guiding projection 314 of sliding sleeve 310 is assembled in respectively in the sliding sleeve guide groove 321.Large-diameter portion divides 324 to be integrally formed on the lower end of path part 322.Axle coupling part 326 is installed on the upper end of path part 322 by this way, and promptly the thread rod part 228 of axle 220 can be connected on the coupling part 326 threadably.Oil groove 325 is formed on large-diameter portion and divides on 324 the side.

Divide under the situation of 324 integrally formed coupling parts 326 be difficult to forming with large-diameter portion, an axle coupling part 326 can form separately, and then press fit over large-diameter portion and divide in 324.When door is opened and when shell 210 was rotated, piston 320 was moved upward, thereby can compress spring 260.After this, when door was closed, piston 320 was moved downward, with retracting spring 260.

Flap valve 330 is assembled in the piston 320, is used to prevent the living backflow of fry dried food ingredients.Flap valve 330 has ball 332.When door was closed, ball 332 can prevent that oil from refluxing in flap valve 330, thereby has obtained realization according to the damping function of door hinge device of the present invention.

Oil cylinder 340 is assemblied in the shell 210 by this way, and promptly piston 320 is placed in the oil cylinder 340.Oil cylinder 340 defines the path that piston 320 moves up and down the institute edge.Because oil cylinder 340 forms by extruding, drawing and coating process, therefore can keep tightness between oil cylinder 340 and piston 320, and not need to use any independent seal.Oil cylinder 340 from its upper end 342 on the direction of lower end 344 internal diameter increase gradually, but increase extremely smallly.Therefore, when piston 320 is lowered, oil by this way the preset position of door also promptly the fastening position of door flow through oil groove 325 fast, promptly can increase the closing velocity of door, can keep oil pressure continuously again simultaneously.

Capping 350 is used for the lower end of can 210.The lower end of oil cylinder 340 is being supported in capping 350, and is threaded in second internal thread part 216 of shell 210.Capping 350 is provided with oil pressure adjustment hole 352 and outage 354.Be used to prevent that the O shape ring 356 of leakage of oil is set in the enclosure portion approaching with the top and bottom of capping 350.In concrete application scenario, the opening and closing speed of door can be regulated by rotating capping 350.

Oil pressure adjusting screw 360 is threaded in the oil pressure adjustment hole 352 of capping 350.Oil pressure adjusting screw 360 rotates caused oil circuit cross section variation by it and is used to regulate internal oil pressure.The oil pressure adjustment hole 352 of the inside of oil by spring 260, piston 320, capping 350 and outage 354 and circulation in shell 210.

Strainer 370 is positioned on the upper end of oil pressure adjustment hole 352.Strainer 370 is used for filtering the impurity that oil contained that flows through flap valve 330 and flow towards capping 350, thus the period of validity that can prolong oil.

Below, the assembling process with door hinge device of damping function according to the present invention is described.

At first, adjustable plate 110, last keeper 120 and fixed head 140 are connected with each other, then, use bolt that fixed head 140 is fixed on the doorframe.Again, will go up keeper 120 and insert in the following keeper 150.After keeper 150 passes the through hole 156 of rotor plate 160 down, rotor plate 160 is fixed on the door.

Then, upper ring body 170, axle bush 230, ball bearing 240, lower ring body 250, lower spring lid 270, spring 260 and lower spring lid 280 are sleeved on the axle 220, and formed combination is seated in the shell 210.Subsequently, sliding sleeve 310, the piston 320 with flap valve 330 and oil cylinder 340 are connected with each other, and also formed combination are seated in the shell 210.Again, capping 350 is screwed in second internal thread part 216 of shell 210.Immediately, shell 210 is connected on the following keeper 150 that is assembled in the rotor plate 160, last, with locked with bolts in the pilot hole 218 of the pilot hole 176 of the pilot hole 158 of keeper 150 down, upper ring body 170 and shell 210.

Industrial applicibility

Seen from the above description, door hinge device with damping function according to the present invention has following advantage: because the synergy of adjusting bolt, upper keeper and axle, when gap size between fixed head and the rotor plate was changed, door hinge device can suitably be regulated above-mentioned size. Simultaneously, by using ball bearing, door hinge device can make the minimum friction forces that produces between the parts, thereby can prolong the service life of door hinge device, and can in door hinge device, use various springs, and need not consider their elastic modelling quantity.

Claims (5)

1. door hinge device, it is installed between door and the doorframe, is used for making door can close automatically after being opened, and is used for the opening and closing speed of adjustment doors, and described door hinge device comprises:
Adjustable plate, it has the polygonal hole of perforation;
Last keeper, it has polygonal head and cylindrical keeper body, wherein polygonal head is inserted in the polygonal hole of adjustable plate, and cylindrical keeper body is integrally formed on the lower end of polygonal head, and last keeper also is provided with the screwed hole of break-through polygonal head and keeper body;
Regulate bolt, it passes adjustable plate and last keeper;
Fixed head, it is fixed on the doorframe, and has last keeper hole, and described going up assembled the described keeper of going up in the keeper hole;
Following keeper, it has annular board and polygon body, and wherein the upper surface of annular board contacts with fixed head, and polygon body and annular board are whole to be formed, and extend downwards from annular board, following keeper also is provided with the through hole of break-through annular board and polygon body;
Rotor plate, it is fixed on the door, and has following keeper hole, is assembling the described polygon body of keeper down in the described keeper hole down;
Upper ring body is formed with the polygon groove of the polygon body that is used to receive down keeper on its upper surface, upper ring body with the approaching external peripheral surface in its lower end on also be formed with external thread part;
Shell, itself and rotor plate unitary rotation, and have first internal thread part, guide groove and second internal thread part, wherein first internal thread part be formed on the shell with the approaching inner circumferential surface in upper end on, guide groove is from the downward definite length extended of first internal thread part, and second internal thread part is formed on the near inner circumferential surface of shell up and down termination;
Axle, it is placed in the shell, and have polygon bar portion, outward flange, round bar portion and a thread rod part, wherein outward flange is formed on the lower end of polygon bar portion, round bar portion is formed on the lower end of outward flange, thread rod part is formed on the lower end of round bar portion, and polygon bar portion is formed with the thread groove that is conditioned the bolt screw-in on the surface thereon;
Ball bearing, its be positioned at axle outward flange below, be used to reduce the friction between axle and the shell;
Lower ring body, it is connected on first internal thread part of shell threadably, is used to support ball bearing;
Spring, it is placed in the shell below lower ring body;
Sliding sleeve, it slides along above-below direction when shell rotates, supporting the lower end of spring simultaneously, sliding sleeve is structure ringwise, and have outer guiding projection and interior guiding projection, its China and foreign countries' guiding projection is formed on the external peripheral surface of sliding sleeve, so that be assemblied in slidably respectively in the guide groove of shell, interior guiding projection is formed on the inner circumferential surface of sliding sleeve;
Piston, it has the path part, large-diameter portion divides and the axle coupling part, wherein the path part is formed with the sliding sleeve guide groove on its external peripheral surface, the interior guiding projection of sliding sleeve is assemblied in respectively in the sliding sleeve guide groove, the large-diameter portion branch is integrally formed on the lower end of path part, the axle coupling part is installed on the upper end of path part by this way, and promptly Zhou thread rod part is connected on the coupling part threadably;
Flap valve, it is assemblied in the piston, is used to prevent the living backflow of fry dried food ingredients;
Oil cylinder, it is assemblied in the shell by this way, and promptly piston is placed in the oil cylinder; And
Capping, it screws in second internal thread part of shell, is used for support piston and oil cylinder.
2. door hinge device as claimed in claim 1 is characterized in that: upper spring lid and lower spring lid are set on the top and bottom of spring.
3. door hinge device as claimed in claim 1 is characterized in that: axle bush is placed between the outward flange and upper ring body of axle.
4. door hinge device as claimed in claim 1 is characterized in that: be formed with the oil pressure adjustment hole in the capping, and oil pressure adjusting screw screws in the oil pressure adjustment hole.
5. door hinge device as claimed in claim 4 is characterized in that: be used to filter the upper end of the filter placement of well cuts at the oil pressure adjustment hole.
CN 02803808 2001-01-17 2002-01-17 Door hinge device having damping function CN1208538C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR0002593/2001 2001-01-17
KR20010002593A KR100403366B1 (en) 2001-01-17 2001-01-17 Open & close damping device of door

Publications (2)

Publication Number Publication Date
CN1486389A CN1486389A (en) 2004-03-31
CN1208538C true CN1208538C (en) 2005-06-29

Family

ID=19704735

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 02803808 CN1208538C (en) 2001-01-17 2002-01-17 Door hinge device having damping function

Country Status (4)

Country Link
KR (1) KR100403366B1 (en)
CN (1) CN1208538C (en)
AU (1) AU2002225494A1 (en)
WO (1) WO2002057578A2 (en)

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Publication number Priority date Publication date Assignee Title
TW200500545A (en) 2003-04-14 2005-01-01 Salice Arturo Spa Spiral-action damper
DE102004054708C5 (en) * 2004-11-12 2009-10-15 Simonswerk, Gesellschaft mit beschränkter Haftung hinge
KR101195877B1 (en) * 2005-01-14 2012-10-30 삼성전자주식회사 Refrigerator
CN101382025B (en) * 2007-09-07 2012-12-12 陈建竹 Pivot hinge device with torsion adjustable
WO2009031723A1 (en) * 2007-09-07 2009-03-12 Moonju Hardware Co., Ltd Door damper
DE102011000096A1 (en) * 2011-01-11 2012-07-12 Dorma Gmbh + Co. Kg Door actuator has filters with filter portion arranged in frame along fluid flow direction such that fluid from piston flows through filter portion before flowing through filtering fabrics
ITVI20110297A1 (en) * 2011-11-15 2013-05-16 Ol Mi S R L Hinge
CN102502340A (en) * 2011-11-23 2012-06-20 浙江海森纺机科技有限公司 Synchronous belt bottom shaft on cord-knitted knotless net winding machine
CN102661435A (en) * 2012-05-18 2012-09-12 全龙浩 Biswitch automatic spraying valve
DE102014203882A1 (en) * 2014-03-04 2015-09-10 Stabilus Gmbh Piston-cylinder unit and door hinge with a piston-cylinder unit
ITUA20162264A1 (en) * 2016-04-04 2017-10-04 Savio Spa HINGE DEVICE FOR DOORS, DOORS OR SIMILARS
KR101873772B1 (en) * 2017-10-25 2018-08-02 장종복 Hinge for Opening and Closing a Door
KR102117780B1 (en) * 2019-02-14 2020-06-01 조용준 Pivot hinge apparatus for door

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Publication number Priority date Publication date Assignee Title
GB940343A (en) * 1958-11-22 1963-10-30 Hiroaki Hideyoshi Improvements in or relating to hinges
KR860001572B1 (en) * 1980-06-28 1986-10-08 니혼덴기세이끼 가부시기가이샤 Pivot hinges with door closing devices
WO2000061903A1 (en) * 1999-03-19 2000-10-19 Doorsoft Co.,Ltd. Vertical type door closer

Also Published As

Publication number Publication date
WO2002057578A2 (en) 2002-07-25
WO2002057578A3 (en) 2002-12-12
CN1486389A (en) 2004-03-31
KR20020061687A (en) 2002-07-25
KR100403366B1 (en) 2003-10-30
AU2002225494A1 (en) 2002-07-30

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