CN103089100A - Door closer - Google Patents
Door closer Download PDFInfo
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- CN103089100A CN103089100A CN2012104334727A CN201210433472A CN103089100A CN 103089100 A CN103089100 A CN 103089100A CN 2012104334727 A CN2012104334727 A CN 2012104334727A CN 201210433472 A CN201210433472 A CN 201210433472A CN 103089100 A CN103089100 A CN 103089100A
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- door
- piston
- housing
- working oil
- axis
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Abstract
The present invention provides a door closer which prevents adhesion of operation oil in housing on a high-temperature door. The door closer (1) is constructed that through opening operation of a door (104), rotation action of the door is converted to linear action of a piston (15) through a connecting rod mechanism (29), a rotating shaft (24) and a rack gear mechanism (21), thereby causing the piston (15) to overcome acting force of a piston force applying mechanism (16) and moving in a closed space (4a) of a housing (4). Furthermore through releasing the door (104) by hand, the piston (15) moves in the closed space (4a) of the housing (4) under the function of an acting force of the piston force applying mechanism (16), thereby slowly closing the door (104) automatically. The rotating shaft (24) is provided with operation oil discharging paths (24A,24B,24C) which are used for discharging operation oil from the closed space (4a) when the temperature of the housing (4) reaches high temperature. The operation oil discharging paths (24A,24B,24C) are closed by resin screws (38).
Description
Technical field
The present invention relates to make the improvement of a door closer of automatically closing lentamente (door self closing device) of opening, relate in particular to inhibition countermeasure on fire.
Background technology
Usually, door closer possesses housing, and this housing has the confined space that is filled with working oil, disposes in the confined space of this housing by the piston that can move back and forth of the helical spring application of force.In addition, be assembled with rack and pinion mechanism on above-mentioned piston, axis of rotation connects to the one rotation with the gear of mode that above-mentioned housing is run through up and down and this rack and pinion mechanism.And, link an end of linkage in the upper end of this axis of rotation, the upper ledge side link of the door opening section of the other end of this linkage and building.
And when opposite house carried out opening operation, this spinning movement to the axis of rotation transmission, and then converted the linearly operating of piston to via aforementioned link mechanism via above-mentioned rack and pinion mechanism.Thus, above-mentioned piston moves in the confined space of housing, thus compression helical spring, and when hand was decontroled door, under the effect of this helical spring screen resilience that has compressed, door was automatically closed lentamente.The movement that Negotiation speed is adjusted valve pair and the piston flow of mobile working oil is linkedly controlled, and adjusts this closing velocity.
Wherein, as this kind door closer, disclose in patent documentation 1 and utilized cover member covering shell to cut off the heat conduction, inhibition is filled in the viscosity change of the working oil of enclosure interior (confined space) thus, thereby makes the stable door closer of closing velocity of door.
[formerly technical literature]
[patent documentation]
[patent documentation 1] TOHKEMY 2006-348652 communique
yet, in above-mentioned patent documentation 1, although the cover member is by the upper surface wall, lower surface wall, face the wall and meditate and constitute the case shape in face wall and both sides, and connect airtight with this housing and door from the indoor covering shell, but be formed be used to the notch of avoiding with the interference of axis of rotation in above-mentioned upper surface wall and lower surface wall, above-mentioned axis of rotation is outstanding downwards from the notch of lower surface wall, therefore when temperature former because of certain thereby door becomes patent documentation 1 set unimaginable high temperature, press liter in the working oil of enclosure interior, working oil may be from the part bonding position or axis of rotation around etc. overflow.And, when the working oil that overflows is attached to the door that becomes high temperature via the notch of above-mentioned lower surface wall, sometimes may be on fire.And speed is adjusted valve and is also existed for resinous situation, and resinous speed is adjusted valve and melted because of heat, and the working oil of emerging from this position is attached to door equally via the notch of lower surface wall, equally may be on fire.
Summary of the invention
The present invention proposes in view of such problem points, and it is caused on fire that the working oil that its purpose is to suppress enclosure interior is attached to the door that becomes high temperature.
the present invention is used for solving above-mentioned problem, and a kind of door closer 1 is provided, and it possesses: housing 4, and it has the confined space 4a that is filled with working oil, piston 15, it is configured to can move back and forth in described confined space 4a under by the state of piston force application mechanism 16 application of forces, rack and pinion mechanism 21, it is encased in this piston 15, axis of rotation 24, its gear 23 with mode that described housing 4 is run through up and down and this rack and pinion mechanism 21 connects to the one rotation, linkage 29, the upper end 24a of one end and described axis of rotation 24 links, and the upper ledge 102 sides links of the door opening section 101 of the other end and building, speed is adjusted valve 37, it is plugged in the side walls 10 of described housing 4, flow to the working oil that flows in described confined space 4a linkedly with the movement of described piston 15 is controlled, thereby the closing velocity of opposite house 104 is adjusted, described door closer 1 constitutes, opening operation by door 104, with this spinning movement of 104 via described linkage 29, axis of rotation 24 and rack and pinion mechanism 21 are converted to the linearly operating of piston 15, thereby make this piston 15 overcome the active force of described piston force application mechanism 16 and move in the confined space 4a of housing 4, and decontrol door 104 by making hand, move in making the confined space 4a of described piston 15 at housing 4 under the effect of the active force of described piston force application mechanism 16 thus, thereby make door 104 autoshutdown lentamente, described door closer is characterised in that, this axis of rotation 24 possesses the working oil discharge road 24A that is used for discharging from this confined space 4a working oil when this housing 4 becomes high temperature, 24B, 24C, 24D, this working oil is discharged road 24A, 24B, 24C, 24D is by resinous member 38, 39 sealings.
At this, preferably be provided with the cup 28 of the lower end 24b that covers this axis of rotation 24, discharge the working oil of road 24A, 24B, 24C, 24D discharge from this working oil and discharge to the outside via the tap 28A that forms at this cup 28.
In addition, preferably possess detent mechanism 9B, 28C, the 28D that makes this tap 28A be positioned at the face side of door closer 1.
In addition, preferably this tap 28A is formed slopely with respect to the axis of this axis of rotation 24.
[invention effect]
According to door closer of the present invention, when temperature former because of certain thereby door becomes high temperature, the working oil that forms on axis of rotation is discharged the resinous member that seals on the road to be melted, thereby working oil is discharged from enclosure interior (confined space), therefore can suppress working oil because of enclosure interior and be attached on fire that the door that becomes high temperature causes.
Description of drawings
Fig. 1 is installed on the door closer that embodiment relates to the top view of the state of door.
Fig. 2 is the front view at the A-A line place of Fig. 1.
Fig. 3 is the lateral view at the B-B line place of Fig. 1.
Fig. 4 means the cross-sectional top view of the internal construction of the door closer main body in the door closer that embodiment relates to.
Fig. 5 is the sectional view at the C-C line place of Fig. 4.
Fig. 6 is the lateral view at the D-D line place of Fig. 4.
Fig. 7 means the figure corresponding with Fig. 5 of variation.
Fig. 8 means the figure corresponding with Fig. 5 of variation.
Fig. 9 means the figure corresponding with Fig. 5 of variation.
Symbol description:
1 door closer
The 2a hyperbaric chamber
The 2b low-pressure chamber
4 housings
The 4a confined space
6 face wall
9 lower surface wall
The 9A cylindrical portion
9B recess (detent mechanism)
10 side walls
15 pistons
16 helical springs (piston force application mechanism)
17 end plugs
21 rack and pinion mechanisms
22 tooth bars
23 gears
24 axis of rotation
24A screwed hole (working oil discharge road)
24B intercommunicating pore (working oil discharge road)
24C screwed hole (working oil discharge road)
24D hole (working oil discharge road)
The 24a upper end
The 24b lower end
28 cups
The 28A tap
The 28B location division
28C protuberance (detent mechanism)
28D position limitation section (detent mechanism)
29 linkages
37 speed are adjusted valve
38 resin screws (resinous member)
39 resin screws (resinous member)
101 door opening sections
102 upper ledges
104
The specific embodiment
Below, based on accompanying drawing, embodiments of the present invention are described.
In Fig. 1～Fig. 3, the door opening section of 101 expression buildings, this door opening section 101 consists of by the space that munnion 103 and lower frame (not shown) by upper ledge 102, pair of right and left surround rectangle, and door 104 can openedly and closedly be installed on a side munnion 103 in above-mentioned door opening section 101 via hinge 105.Above-mentioned door 104 can automatically be closed from open mode lentamente by door closer 1.
Above-mentioned door closer 1 is the parallel shape type of opening (left Wins hand) left, possesses door closer main body 2.Above-mentioned door closer main body 2 possesses housing 4, and this housing 4 has the confined space 4a (with reference to Fig. 4) that is filled with working oil (not shown), and as shown in Figure 4, this housing 4 is arranged on above-mentioned 104 upper ends via installation fitting 5.
As shown in Figure 4, above-mentioned installation fitting 5 at one end (Fig. 4 left end) is formed with U word shape hook part 5a, and be formed with the installation sheet 5b of section that erects obliquely at the other end (Fig. 4 right-hand member), be formed with two screwed holes (not shown) that are used for installing above-mentioned housing 4 along up/down perforation on this installation sheet 5b of section.In addition, locating along respectively being formed through up and down two screw insertion holes (not shown) by two ends at this installation fitting 5.
Above-mentioned housing 4 forms rectangular shape by side walls 10 these six faces of face wall 6, back face wall 7, upper surface wall 8, lower surface wall 9 and pair of right and left, is formed with the depressed part 11 that is surrounded by the side walls 10 of upper surface wall 8, lower surface wall 9 and left and right in above-mentioned back face wall 7 sides.In addition, in one distolateral (Fig. 4 left end side) of this depressed part 11, card is hung steady pin 12 and upper surface wall 8 and lower surface wall bridge joint and setting Shang Xia 9.And, be formed with two screw insertion holes (not shown) along up/down perforation on the side walls 10 on one side (Fig. 4 right side).
And, for above-mentioned door closer main body 2 being installed on the inboard of door 104 upper ends, at first, screw 13 (with reference to Fig. 2) is passed four screw insertion holes of installation fitting 5 and be screwed into the door 104 inside installing plate 106, thus installation fitting 5 is installed on the door 104 upper ends.
Then, door closer main body 2 is configured in the front of above-mentioned installation fitting 5, and the card that the hook part 5a card of installation fitting 5 is hung on housing 4 is hung steady pin 12 and installation fitting 5 is configured in the depressed part 11 of housing 4.From this state, two screw insertion holes of screw 14 (with reference to Fig. 3) and housing 4 and two screwed holes of installation fitting 5 are screwed togather, thus door closer main body 2 is installed on door 104 upper ends via installation fitting 5.
As shown in Figure 4, in above-mentioned housing 4 inside (confined space 4a), piston 15 is configured to can move back and forth under the state of elastic force to Fig. 4 left to the application of force of the helical spring 16 that is used as the piston force application mechanism, and confined space 4a is divided into hyperbaric chamber 2a (Fig. 4 left side zonule) and low-pressure chamber the 2b large zone of right side (Fig. 4) by piston 15.In Fig. 4,17 expressions and the above-mentioned both sides chimeric end plug of 10 embedded hole 10b of facing the wall and meditating.
Be formed with blank part 15a in the inside of above-mentioned piston 15, this blank part 15a is communicated with above-mentioned hyperbaric chamber 2a via the first path 18, and is communicated with above-mentioned low-pressure chamber 2b via alternate path 19.In addition, be provided with flap valve 20 on above-mentioned the first path 18, under door closure state, the interior pressure of the working oil by hyperbaric chamber 2a side is pressed above-mentioned flap valve 20 in valve seat the first path 18 is closed, in order to avoid the working oil of hyperbaric chamber 2a side is to low-pressure chamber 2b side inflow.
Be incorporated with rack and pinion mechanism 21 in the blank part 15a of above-mentioned piston 15.This rack and pinion mechanism 21 consists of by the tooth bar 22 that forms on blank part 15a inwall with these tooth bar 22 meshed gears 23.As shown in Figure 5, axis of rotation 24 connects to the one rotation with mode and this gear 23 that above-mentioned housing 4 is run through up and down.Specifically, gear 23 is integrally formed with the middle body of axis of rotation 24.In Fig. 5,25 are illustrated in the bearing of the periphery configuration of the upper end 24a side of above-mentioned axis of rotation 24 and lower end 24b side, 26 are illustrated in the O-ring seals that is disposed at the outside of bearing 25 on the axis direction of axis of rotation 24,27 expressions are with the lining of above-mentioned bearing 25 and O-ring seals 26 interior bags, and 28 expressions hide the columnar cup of the lower end 24b of axis of rotation 24.
An end that links linkage 29 at the upper end of above-mentioned axis of rotation 24 24a, and the upper ledge 102 sides links of the door opening section 101 of the other end of this linkage 29 and building.Particularly, aforementioned link mechanism 29 is made of principal arm 30 and armite 31, and an end of above-mentioned principal arm 30 links by the axle 32 upper end 24a with above-mentioned axis of rotation 24, and an end of armite 31 links with the other end of this principal arm 30 freely around axle 33 rotations.On the other hand, by four screws 35 being screwed into the installing plate 107 of upper ledge 102 inside, thus the cardinal extremity of support (set square) 34 is installed on the upper ledge 102 (with reference to Fig. 1 and Fig. 3) of above-mentioned door opening section 101, the other end of above-mentioned armite 31 links with the front end of this support 34 freely around axle 36 rotations.
Metal three speed are adjusted valve 37 and are positioned at one on the opposing party's (Fig. 1 left side) the side walls 10 that mode that upside, two be positioned at downside is plugged on housing 4 (with reference to Fig. 6) in the outside of end plug 17, these three speed are adjusted the not shown stream of valves 37 in the face of being connected between the hyperbaric chamber 2a of confined space 4a and low-pressure chamber 2b, flow to the working oil that flows in above-mentioned confined space 4a with the mobile interlock of above-mentioned piston 15 is controlled, and adjusts thus the closing velocity of door 104.
And, when door 104 arrow X1 direction (counterclockwise) in Fig. 4 is carried out opening operation, this spinning movement of 104 is transmitted to axis of rotation 24 via linkage 29, thereby this axis of rotation 24 arrow X2 direction (clockwise) in Fig. 1 and Fig. 4 is rotated.Thus, gear 23 is arrow X2 direction (clockwise) rotation in Fig. 1 and Fig. 4, piston 15 overcome the elastic force of helical spring 16 via rack and pinion mechanism 21 and compress this helical spring 16 and simultaneously in the confined space 4a of housing 4 in Fig. 4 arrow X3 direction (right) carry out traveling priority.Thus, the working oil of low-pressure chamber 2b is opened the first path 18 and flow out to hyperbaric chamber 2a via alternate path 19 and blank part 15a and flap valve 20 is moved.And, open while door 104 is accumulated the power that moves to closing direction.
When hand was decontroled door 104, the above-mentioned helical spring 16 that has compressed extended under the effect of its screen resilience, make piston 15 in the confined space 4a of housing 4 in Fig. 4 arrow Y3 direction (left to) carry out traveling priority.At this moment, because the first path 18 is closed by flap valve 20, so the working oil of hyperbaric chamber 2a can via the first path 18 to low-pressure chamber 2b inflow, not flow into to low-pressure chamber 2b and adjust valve 37 via not shown stream and speed.Thus, gear 23 is arrow Y2 direction (counterclockwise) rotation in Fig. 1 and Fig. 4, and its revolving force transmits to linkage 29, thereby door 104 arrow Y1 direction (clockwise) in Fig. 1 and Fig. 4 is automatically closed lentamente.
As shown in Figure 5, above-mentioned axis of rotation 24 possesses the through hole that extends along its axis direction.Specifically, axis of rotation 24 possesses the through hole that is made of the screwed hole 24A, the 24A that form respectively in the upper end of above-mentioned axis of rotation 24 24a side and lower end 24b side and intercommunicating pore 24B that these two screwed hole 24A, 24A are communicated with.Be screwed with the threaded portion of above-mentioned axle 32 in the screwed hole 24A of upper end 24a side, link an end of above-mentioned principal arm 30 at the upper end of axis of rotation 24 24a.The mode of extending orthogonally with the axis with axis of rotation 24 at the position that is formed with said gear 23 of the middle body of axis of rotation 24 is formed with screwed hole 24C, and this screwed hole 24C is communicated with the intercommunicating pore 24B of blank part 15a and axis of rotation 24.Be screwed with the resin screw 38 that has the state of sealing by adhesive-applying etc. in this screwed hole 24C, come sealing thread hole 24C, in order to avoid the working oil in blank part 15a flows out via screwed hole 24C.In the situation that the temperature of thereby housing 4 former because of certain becomes 120～200 ℃, resin screw 38 melts and is extruded in intercommunicating pore 24B under the effect of the pressure of working oil.When resin screw 38 was extruded from screwed hole 24C, the working oil in blank part 15a was discharged from the lower end 24b of axis of rotation 24 via the screwed hole 24A of screwed hole 24C, intercommunicating pore 24B and downside.Resin screw 38 is equivalent to resinous member of the present invention, and the screwed hole 24A of screwed hole 24C, intercommunicating pore 24B and downside is equivalent to working oil of the present invention and discharges the road.
Like this, in the present embodiment, the working oil that will be communicated with the inner space 28a of blank part 15a (confined space 4a) and cup 28 is discharged the road and is formed on the inside of axis of rotation 24, and will consist of working oil and discharge the screwed hole 24C on road and adjust the low-melting resin screw 38 of valve 37 by specific rate and seal.Therefore, even the temperature of thereby door 104 former because of certain becomes high temperature, also can spill around end plug 17 or the axis of rotation 24 at working oil or working oil is adjusted valve 37 from speed the position housing 4 before emerging becomes the moment of 120～200 ℃, the working oil of confined space 4a is discharged to the inner space 28a of cup 28 via the screwed hole 24A of screwed hole 24C, intercommunicating pore 24B and downside.
In addition, in the present embodiment, internal configurations at the axis of rotation 24 of the impact of comparing the interior pressure that is not vulnerable to working oil with end plug 17 grades is used for the resin screw 38 that the sealing working oil is discharged the road, and what therefore can not produce working oil when common the use interiorly presses anxious increasing and situation that working oil leaks to the outside from the position of resin screw 38.
In addition, in the present embodiment, working oil in the inner space 28a that is discharged to cup 28 is fallen to the floor via the face side that is positioned at door closer 1 (face wall 6 sides) and the tap 28A that tilts with respect to the axis of axis of rotation 24, therefore can be with working oil to the direction of leaving door 104 (opposition side of door 104) discharging away from the mode of door 104, thereby can prevent that working oil is attached to the situation of the door 104 that becomes high temperature.
In addition, in the present embodiment, the cup 28 that utilizes door closer 1 all the time to possess makes working oil fall to the floor from the tap 28A that forms at cup 28, therefore do not increase parts except resin screw 38, and aesthetic appearance is also good.
Door closer of the present invention is not defined as above-mentioned embodiment, can carry out various distortion or improvement in the scope that claims are put down in writing.For example, in the above-described embodiment, it be metal-made that speed is adjusted valve 37, but as long as the abundant height of fusing point of resin screw 38 that is compared to resinous member take fusing point as condition, speed adjustment valve 37 also can be resin.
In addition, in the above-described embodiment, be screwed with resin screw 38 in the screwed hole 24C that forms on axis of rotation 24, but also can make screwed hole 24C for not forming threaded hole, resin ball or resin cotter are pressed into to seal the working oil drain passageway.
In addition, in the above-described embodiment, be screwed with resin screw 38 in the screwed hole 24C that forms on axis of rotation 24, but as shown in Figure 7, also can make screwed hole 24C for not forming threaded hole 24D, seal the working oil drain passageway by resin screw 39,39 is screwed into screwed hole 24A, 24A.In the situation that consist of like this, become the moment of 120～200 ℃ at housing 4, resin screw 39 is melted and the inner space 28a of working oil from the lower end 24b of axis of rotation 24 to cup 28 discharged.
In addition, in the above-described embodiment, the protuberance 28C by making cup 28 and the recess 9B of housing 4 are chimeric, carry out the location of cup 28, but also can make recess 9B is screwed hole, and forms screw insertion hole on cup 28, thereby utilizes screw with cup 28 screw threads for fastening.In this case, screwed hole, screw insertion hole and screw are equivalent to detent mechanism of the present invention.In addition, as shown in Figure 8, also can be on cup 28 the setting position restriction 28D of section, as long as this position limitation 28D of section is not positioned at the face side (face wall 6 sides) of door closer 1, the 28D of position limitation section just interferes with the lower surface wall 9 of housing 4, just cup 28 can't be pressed into cylindrical portion 9A.In this case, the position limitation 28D of section is equivalent to detent mechanism of the present invention.
In addition, in the above-described embodiment, the bottom surface of cup 28 is horizontal plane, but as shown in Figure 9, the bottom surface of cup 28 also can form position from tap 28A towards door 104 sides (right of Fig. 9) and inclined plane that the height of cup 28 (length till from the lower surface wall 9 of housing 4 to the bottom surface of cup 28) diminishes.If cup 28 possesses such inclined plane, can prevent from being attached to situation on door 104 along cup 28 from the working oil that tap 28A discharges.
Claims (4)
1. door closer, it possesses:
Housing, it has the confined space that is filled with working oil;
Piston, it is configured to can move back and forth in described confined space under by the state of the piston force application mechanism application of force;
Rack and pinion mechanism, it is encased in this piston;
Axis of rotation, its gear with mode that described housing is run through up and down and this rack and pinion mechanism connects to the one rotation;
Linkage, the upper end of one end and described axis of rotation links, and the upper ledge side link of the door opening section of the other end and building;
Speed is adjusted valve, and it is plugged in the side walls of described housing, the flow of the working oil that flows in described confined space with the mobile interlock of described piston is controlled, thereby the closing velocity of opposite house adjust,
Described door closer constitutes, opening operation by door, this spinning movement is converted to the linearly operating of piston via described linkage, rotating shaft and rack and pinion mechanism, thereby make this piston overcome the active force of described piston force application mechanism and move in the confined space of housing, and decontrol door by making hand, under the effect of the active force of described piston force application mechanism, make to move in the confined space of described piston at housing thus, thereby door is closed lentamente automatically, described door closer is characterised in that
This axis of rotation possesses the working oil discharge road that is used for discharging from this confined space working oil when this housing becomes high temperature,
This working oil is discharged the sealing of route resinous member.
2. door closer according to claim 1, is characterized in that,
Be provided with the cup of the lower end that covers this axis of rotation, discharge the working oil of discharging on the road from this working oil and discharge to the outside via the tap that forms at this cup.
3. door closer according to claim 2, is characterized in that,
Possesses the detent mechanism that makes this tap be positioned at the face side of door closer.
4. door closer according to claim 3, is characterized in that,
This tap is formed slopely with respect to the axis of this axis of rotation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011244124A JP5393756B2 (en) | 2011-11-08 | 2011-11-08 | Door closer |
| JP2011-244124 | 2011-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103089100A true CN103089100A (en) | 2013-05-08 |
| CN103089100B CN103089100B (en) | 2015-12-09 |
Family
ID=48202181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210433472.7A Active CN103089100B (en) | 2011-11-08 | 2012-11-02 | Door closer |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5393756B2 (en) |
| CN (1) | CN103089100B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965884A (en) * | 2018-09-28 | 2020-04-07 | 亚萨合莱有限公司 | Door closer |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5953769B2 (en) * | 2012-01-25 | 2016-07-20 | 株式会社Ｌｉｘｉｌ | Door closers and doors |
| CN106954963B (en) * | 2017-04-25 | 2024-03-01 | 上海赛煜金属制品有限公司 | Door closing device of safety storage cabinet for inflammable liquid |
| JP7182337B2 (en) * | 2018-10-23 | 2022-12-02 | リョービ株式会社 | door closer |
| JP7122933B2 (en) * | 2018-10-23 | 2022-08-22 | リョービ株式会社 | door closer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006348652A (en) * | 2005-06-17 | 2006-12-28 | Ｙｋｋ Ａｐ株式会社 | Fittings |
| CN201103305Y (en) * | 2007-10-24 | 2008-08-20 | 梁庆均 | Door closer |
| CN201246054Y (en) * | 2008-08-08 | 2009-05-27 | 邱杰照 | Door closing controller with expansion-proof protection function |
| JP2009180036A (en) * | 2008-01-31 | 2009-08-13 | Ryobi Ltd | Door closer |
| KR20110039084A (en) * | 2009-10-09 | 2011-04-15 | (주) 아이레보 금강씨에스 | Door-closer for fire prevention |
-
2011
- 2011-11-08 JP JP2011244124A patent/JP5393756B2/en active Active
-
2012
- 2012-11-02 CN CN201210433472.7A patent/CN103089100B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006348652A (en) * | 2005-06-17 | 2006-12-28 | Ｙｋｋ Ａｐ株式会社 | Fittings |
| CN201103305Y (en) * | 2007-10-24 | 2008-08-20 | 梁庆均 | Door closer |
| JP2009180036A (en) * | 2008-01-31 | 2009-08-13 | Ryobi Ltd | Door closer |
| CN201246054Y (en) * | 2008-08-08 | 2009-05-27 | 邱杰照 | Door closing controller with expansion-proof protection function |
| KR20110039084A (en) * | 2009-10-09 | 2011-04-15 | (주) 아이레보 금강씨에스 | Door-closer for fire prevention |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965884A (en) * | 2018-09-28 | 2020-04-07 | 亚萨合莱有限公司 | Door closer |
| CN110965884B (en) * | 2018-09-28 | 2023-08-08 | 亚萨合莱有限公司 | Door closer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103089100B (en) | 2015-12-09 |
| JP2013100655A (en) | 2013-05-23 |
| JP5393756B2 (en) | 2014-01-22 |
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