CN101852050A - Slow and smooth automatic door closing device - Google Patents
Slow and smooth automatic door closing device Download PDFInfo
- Publication number
- CN101852050A CN101852050A CN200910173685A CN200910173685A CN101852050A CN 101852050 A CN101852050 A CN 101852050A CN 200910173685 A CN200910173685 A CN 200910173685A CN 200910173685 A CN200910173685 A CN 200910173685A CN 101852050 A CN101852050 A CN 101852050A
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- driving shaft
- slow
- closing device
- door closing
- hole
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Abstract
The invention relates to a slow and smooth automatic door closing device which comprises a fixing piece used for fixing a door plate, wherein a driving shaft is arranged on the fixing piece, and at least one positioning surface is formed on the driving shaft; a fixing seat is connected to the driving shaft and can be used for fixing the door closing device on a wall or the ground; the fixing piece can pivot relative to the fixing seat and provided with an automatic return device; the automatic return device is provided with at least one pneumatic cylinder which is connected and butted against a corresponding positioning surface on the driving shaft and filled with gas with air pressure, such as nitrogen, for pushing the driving shaft so as to provide return and rotation force for the door plate, thereby the door closing device capable of providing a slow and smooth returning effect for the door plate is provided.
Description
Technical field
The present invention relates to a kind of slow and smooth automatic door closing device, refer to a kind of slow closing device of door-plate that makes especially along automatic homing.
Background technology
Be generally and make door-plate can automatically return to closed condition; on the hinge of door-plate and doorframe, usually automatic homing device can be set; as Taiwan certificate of invention number M258152 number " adjustable glass door automatic homing hinge " patent of invention person's (being designated hereinafter simply as) with reference to case; and as mainly all be to utilize the strength of spring to promote driving shaft with reference to the automatic homing hinge of case; make door-plate after unlatching; the playback of closing the door automatically by the back stretch of spring, and the expectation door-plate can be parked on the correct position.
Yet, existing as utilize the automatic homing hinge of spring force with reference to case, because of the elastic force of spring many or decrement is widely different after a little while in decrement, so it is wayward, and the reaction time is too fast, so is easy to allow door-plate returning quickly and knocking door case or the lockset on it energetically, when the door-plate playback must be parked in the tram, but because of spring this moment decrement minimum, the strength that pushes away driving shaft is not enough and cause the inaccurate situation in location; Secondly, after the use of a period of time, spring shuts door because of the response force that elastic fatigue causes providing enough easily automatically, and forms shortcomings such as the door-plate playback is inaccurate.
Summary of the invention
Therefore the inventor is in view of the defective that has the automatic homing hinge arrangement now and use, and the spy tests and studies through continuous, develops finally a kind of the present invention who improves existing defective.
Main purpose of the present invention is to provide a kind of slow and smooth automatic door closing device, and it can provide the effect of the slow and suitable homing of a door-plate, reaches the purpose that improves the door-plate operation convenience to avoid the too quick and inaccurate shortcoming of playback of door-plate, can use.
For reaching above-mentioned purpose, the present invention mainly provides a kind of slow and smooth automatic door closing device, and it includes:
One can be in order to the fixture of fixed gate plate;
One is arranged on the driving shaft on the fixture, is formed with the locating surface of at least one on driving shaft;
One is connected to the holder of driving shaft, but and fixture relative fixed seat pivot; And
One automatic homing device, this automatic homing device has the pneumatic cylinder of at least one, pneumatic cylinder connects on the corresponding locating surface that is resisted against on the driving shaft, and be filled with the gas of tool pressure, push driving shaft and reply the strength of rotating playback so that door-plate to be provided, wherein the pneumatic cylinder of automatic homing device includes a cylinder body and a depression bar, the gas of tool pressure is filled in the cylinder body, and depression bar stretches in the cylinder body movably, and be provided with a piston that is distinguished into two balancing gate pits in cylinder body in the end that depression bar stretches into cylinder body, be provided with a thin channel that is communicated with two balancing gate pits in piston.
Described slow and smooth automatic door closing device, wherein this automatic homing device is arranged on the fixture, but and driving shaft is fixedlyed connected with holder and the fixture relative drive shaft rotates.
Described slow and smooth automatic door closing device, wherein this fixture covers sheet by a bonding pad and and is formed, on a side of bonding pad, be convexly equipped with and be formed with a driving crown of roll seat, be formed with one on the crown of roll seat and can penetrate wherein axis hole in driving, be connected on the bonding pad at interval and cover sheet for driving shaft;
Be provided with at least one locating hole in driving the crown of roll seat, and locating hole and axis hole are vertical connection in order to the pneumatic cylinder of ccontaining automatic homing device.
Described slow and smooth automatic door closing device, wherein be formed with one on the sheet corresponding to the protruding seat groove that drives the crown of roll seat in covering, stretch into and be placed in this protruding seat groove and drive the crown of roll seat, and the degree of depth of protruding seat groove is less than the thickness that drives the crown of roll seat, and in bonding pad with cover that formation one can be in order to the clipping gap of clipping door-plate between sheet.
Described slow and smooth automatic door closing device wherein is provided with several in holder and runs through wherein perforation for retaining elements, and is provided with a combined hole that combines with driving shaft.
Described slow and smooth automatic door closing device wherein is formed with one in driving shaft one end and combines projection with combined hole fastens.
Described slow and smooth automatic door closing device, wherein this automatic homing device is arranged on the holder, and driving shaft is fixedly installed on the fixture and and holder between be rotatably and interconnect.
Described slow and smooth automatic door closing device, wherein holder includes a stator and and is fixedly arranged on fixed block on the stator, on fixed block, be concaved with an appearance hole that can supply driving shaft one end to penetrate, on fixed block, then be provided with at least one and hold the locating hole that the hole is perpendicular and be communicated with, and the pneumatic cylinder of automatic homing device is placed in the locating hole respectively.
Described slow and smooth automatic door closing device, wherein be provided with several and run through wherein perforation for retaining elements in stator, and be provided with several combined holes, be provided with several screws relative with combined hole on the stator in fixed block again, other is provided with several and passes combined hole on the stator respectively and the bolt that is screwed into screw on the fixed block.
Described slow and smooth automatic door closing device, wherein automatic homing device includes at least one in addition and is resisted against locating piece on corresponding locating surface of driving shaft, and locating piece be connected with the depression bar of corresponding pneumatic cylinder against.
Described slow and smooth automatic door closing device, wherein the cylinder body of pneumatic cylinder is resisted against on the corresponding locating surface of driving shaft.
By above-mentioned technological means, the present invention promotes the strength that depression bar provides the door-plate automatic homing because of the pressure balance by two balancing gate pit's gases, therefore the speed that promotes driving shaft is comparatively slow, and be even in strength, so a slow and suitable response force can be provided, and do not cause door-plate too fast and pivot return energetically, and utilize air pressure to provide the automatic homing device of response force can not have problems such as elastic fatigue, can prolong the application life of door-plate closing device.
Description of drawings
Fig. 1 is the user mode figure of first preferred embodiment of the present invention.
Fig. 2 is the stereo appearance figure of first preferred embodiment of the present invention.
Fig. 3 is the three-dimensional exploded view of first preferred embodiment of the present invention.
Fig. 4 is the partial cut away side views of first preferred embodiment of the present invention.
Fig. 5 is the top plan view of first preferred embodiment of the present invention.
Top plan view when Fig. 6 is first preferred embodiment of the present invention operation.
Fig. 7 is the partial cut away side views of second preferred embodiment of the present invention.
Fig. 8 is the three-dimensional exploded view of the 3rd preferred embodiment of the present invention.
Fig. 9 is the three-dimensional exploded view of the 4th preferred embodiment of the present invention.
Figure 10 is the user mode figure of another preferred embodiment of the present invention.
Figure 11 is the three-dimensional exploded view of the 5th preferred embodiment of the present invention.
Figure 12 is the three-dimensional exploded view of the 6th preferred embodiment of the present invention.
[critical element symbol description]
10,10A, 10B, 10C, 10D fixture
11,11A, 11B, 11C bonding pad
12,12A, 12B, 12C covers sheet
122,122A, 122B, the protruding seat of 122C groove
14,14A, 14B, 14C, 14D drives the crown of roll seat
15,15A, 15B, 15C, 15D axis hole
20,20A, 20B, 20C, 20D driving shaft
22,22A, 22B, 22C, 22D locating surface
202,202D is in conjunction with projection 204 screws
30,30A, 30B, 30C, 30D holder
302,302A, 302B, 302C, 302D perforation
304,304A, 304B, 304C, 304D combined hole
306 screws 31, the 31C stator
32,32C fixed block 322,322C holds the hole
40,40 ', 40A, 40B, 40C, 40D automatic homing device
41,41A, 41B, 41C, 41D locating hole
42,42A, 42B, 42C, 42D pneumatic cylinder
43,43A, 43D locating piece
422 cylinder bodies, 424 depression bars
425 pistons, 426 passages
44,44A, 44B, 44D plug screw piece
60 door-plates
The specific embodiment
The present invention mainly provides a kind of slow and smooth automatic door closing device, please referring to Fig. 1 and Figure 10, by seeing among the figure, closing device of the present invention is arranged between the lateral margin and doorframe of a door-plate, its door-plate can be wooden, materials such as glass are made, and closing device can be arranged on the apical margin of door-plate as shown in Figure 1, root edge, or be arranged on the left and right sides lateral margin of door-plate as shown in figure 10, or be arranged on as shown in figure 12 on the end angle of door-plate, please cooperate referring to Fig. 2 to Fig. 4, this closing device consists predominantly of a fixture 10, one driving shaft 20, one holder 30 and an automatic homing device 40, please cooperate again referring to Fig. 8, Fig. 9 and Figure 11, wherein fixture 10,10A, 10B, 10C is in order to a lateral margin of clipping door-plate 60, but apical margin according to actual demand clipping door-plate 60 door-plates such as grade, root edge or left and right sides lateral margin, this fixture 10,10A, 10B, 10C can be by a bonding pad 11,11A, 11B, 11C and one covers sheet 12,12A, 12B, 12C forms, wherein in bonding pad 11,11A, 11B, be convexly equipped with on the side of 11C and be formed with a driving crown of roll seat 14,14A, 14B, 14C, in driving crown of roll seat 14,14A, 14B, be formed with an axis hole 15 on the 14C, 15A, 15B, 15C, and cover sheet 12,12A, 12B, 12C is connected in bonding pad 11 by retaining elements such as several bolts, 11A, 11B, on the 11C, and in covering sheet 12,12A is last to be formed with one corresponding to driving crown of roll seat 14, the protruding seat groove 122 of 14A, 122A, and driving crown of roll seat 14,14A stretches into and is placed in this protruding seat groove 122, in the 122A, and protruding seat groove 122, the degree of depth of 122A is less than driving crown of roll seat 14, the thickness of 14A so can be in bonding pad 11,11A with cover sheet 12, forming one between 12A can be in order to the clipping gap of clipping door-plate 60.
Fixture 10D can be as shown in figure 12 again, and the lamellar body of L-shaped bending and be fixed in the end angle place of door-plate by retaining elements such as bolts is convexly equipped with on fixture 10D and is formed with one and drives crown of roll seat 14D, is formed with an axis hole 15D in driving on the crown of roll seat 14D.
Driving shaft 20 again, 20A, 20B, 20C, 20D can penetrate in fixture 10,10A, 10B, 10C, the driving crown of roll seat 14 of 10D, 14A, 14B, 14C, axis hole 15 on the 14D, 15A, 15B, 15C, 15D, in driving shaft 20,20A, 20B, 20C, be formed with the locating surface 22 of at least one on the 20D, 22A, 22B, 22C, 22D, wherein driving shaft 20,20A, 20B, 20C, 20D can be as Fig. 3, Fig. 8 and shown in Figure 12, with fixture 10,10A, be between 10D and can relatively rotate, also can be as Fig. 9, shown in Figure 11, be fixedly set in fixture 10B, on the 10C.
This holder 30,30A, 30B, 30C, 30D is connected to driving shaft 20,20A, 20B, 20C, 20D, and fixture 10,10A, 10B, 10C, but 10D relative fixed seat 30,30A, 30B, 30C, 30D pivots, and holder 30,30A, 30B, 30C, 30D can be fixedly attached on ground or the wall, and being pivoted, door-plate 60 is connected to doorframe, wherein driving shaft 20,20A, 20B, 20C, 20D can be as Fig. 3, Fig. 8 and shown in Figure 12, with holder 30,30A is mutually permanently connected, also can be as Fig. 9, shown in Figure 11, be connected in holder 30B rotationally, on the 30C, it is mainly in holder 30B, be concaved with one on the 30C and can supply driving shaft 20B, the appearance hole 322 that 20C penetrates, 322C.
Holder 30 again, 30A, 30B, 30D can be as Fig. 3, Fig. 8 or Figure 12 shows that a sheet structure, also can be as Fig. 9, shown in Figure 11, be by a stator 31, a 31C and a fixed block 32,32C forms, and appearance hole 322,322C is arranged at fixed block 32, on the 32C, in holder 30,30A, 30B, 30C is last to be provided with several and to run through wherein perforation 302 for retaining elements such as bolts, 302A, 302B, 302C, and make holder 30,30A, 30B, 30C can be fixedly arranged on ground or the wall, again in holder 30,30A, 30B, 30C, the last combined hole 304 that is provided with at least one of 30D, 304A, 304B, 304C, 304D, this combined hole 304 wherein, 304D can be as Fig. 3 or the non-circular hole that is shown in Figure 12, and in driving shaft 20, the 20D top is formed with and non-circular combined hole 304, what 304D fastened is non-circular in conjunction with projection 202,202D makes driving shaft 20,20D must with holder 30,30D rotates synchronously; This combined hole 304A can be rounded as shown in Figure 8 perforation again, and be formed with a screw 204 relative in driving shaft 20A top with combined hole 304A, other is provided with one and passes combined hole 304A and be screwed into the bolt of screw 204, driving shaft 20A must be fixed with holder 30A combine and rotate synchronously.
Again please referring to Fig. 9, Figure 11, when holder 30B, 30C be by a stator 31,31C and a fixed block 32,32C is combined when forming, be provided with several combined holes 304B, 304C in stator 31,31C, be provided with several and stator 31, the last combined hole 304B of 31C, screw 306 that 304C is relative in fixed block 32,32C again, other is provided with several and passes stator 31, the last combined hole 304B of 31C, 304C respectively and the bolt that is screwed into fixed block 32, the last screw 306 of 32C, and stator 31,31C and fixed block 32,32C are mutually combined.
This automatic homing device 40,40A, 40B, 40C, 40D can be as Fig. 3, Fig. 8 and shown in Figure 12, be arranged at fixture 10,10A, on the 10D, also can be as Fig. 9, shown in Figure 11, be arranged at holder 30B, on the 30C, and this automatic homing device 40,40A, 40B, 40C, 40D includes the locating hole 41 of at least one, 41A, 41B, 41C, 41D, and at least one group locating piece 43,43A, 43D, pneumatic cylinder 42,42A, 42B, 42C, 42D and plug screw piece 44,44A, 44B, 44D, wherein locating hole 41,41A, 41D can be as Fig. 3, Fig. 8 and shown in Figure 12 being arranged at drive crown of roll seat 14,14A, the side of 14D and with axis hole 15,15A, perpendicular and the connection of 15D, or locating hole 41B, 41C can be as Fig. 9, shown in Figure 11, be arranged at fixed block 32, the side of 32C, and with fixed block 32, appearance hole 322 on the 32C, the perpendicular connection of 322C is in locating hole 41,41A, 41B, 41D is with respect to driving crown of roll seat 14,14A, be formed with internal thread on the position of 14D or fixed block 32 sides.
Locating piece 43 again, 43A, 43D is placed in locating hole 41 movably, 41A, 41D is interior and can be resisted against driving shaft 20,20A, the corresponding locating surface 22 of 20D, 22A, on the 22D, and pneumatic cylinder 42,42A, 42B, 42C, 42D is placed in locating hole 41,41A, 41B, 41C, in the 41D, pneumatic cylinder 42 again, 42A, 42B, 42C, 42D is made up of a cylinder body 422 and a depression bar 424, in pneumatic cylinder 42,42A, 42B, 42C, fill the gas that is equipped with the tool certain pressure in the 42D, wherein this gas can be nitrogen or the inert gas after pressurization, as He-Ne argon krypton etc., be preferable wherein with nitrogen, depression bar 424 1 ends stretch in the cylinder body 422 and are provided with one cylinder pressure 422 is distinguished into the piston 425 of two balancing gate pits again, the other end then is connected in locating piece 43,43A, on the 43D, the preferably, on piston 425, can be provided with at least one thin channel that is communicated with two balancing gate pits 426, the plug screw piece 44 again, 44A, 44B, 44D is fixedly arranged on locating hole 41,41A, 41B, in the 41D, and make locating piece 43,43A, 43D and pneumatic cylinder 42,42A, 42B, 42D is placed in locating hole 41,41A, 41B, among the 41D, in plug screw piece 44,44A, 44B, 44D be provided with can with locating hole 41,41A, 41B, the external screw thread that the internal thread of 41D is screwed.
Thus, please cooperate referring to Fig. 5, Fig. 6 and Fig. 8, when the user opens door-plate, fixture 10,10A can relative fixed be connected in holder 30 with the unlatching of door-plate, driving shaft 20 on the 30A, 20A relatively rotates, and then pushing is resisted against locating surface 22, locating piece 43 on the 22A, 43A, make locating piece 43,43A relative positioning hole 41,41A moves and compresses pneumatic cylinder 42, the depression bar 424 of 42A, make the balancing gate pit in the piston 425 pushing cylinder bodies 422 of depression bar 424 1 ends, pressure in this balancing gate pit is raise, and make the air under pressure of small part enter in another balancing gate pit via passage 426, and after person to be used decontrols door-plate, then can utilize the pushing of gas pressure in the higher balancing gate pit of this pressure, depression bar 424 is oppositely moved, and then by locating piece 43,43A and driving shaft 20, the locating surface 22 of 20A, the relative pushing and pressing of 22A reach the effect of automatic homing.
Because automatic homing device 40 of the present invention, 40A, 40B, 40C, 40D provides the strength of door-plate automatic homing by the pressure of gas, therefore the speed of its reaction is comparatively slow, the effect of a buffering of gas flow more can be provided by passage set on the piston 425 426, the gas that adds in the upper cylinder body 422 is quantitatively, so a slow response force along equalization can be provided, and do not cause door-plate fast and rotation return energetically, and utilize automatic homing device that gas pressure provides response force can problems such as the existing elastic fatigue of structure promptly not arranged just like what utilize spring, not only can make door-plate be able to homing exactly, more can prolong the application life of door-plate closing device.
Again please referring to Fig. 7, Fig. 9 and Figure 11, by seeing among the figure, automatic homing device 40 ' of the present invention, 40B, 40C can also pneumatic cylinders 42, the cylinder body 422 of 42B, 42C serves as locating piece and directly be resisted against on the locating surface 22,22B, 22C of driving shaft 20,20B, 20C, depression bar 424 1 ends then are connected on plug screw piece 44,44B or stator 31C, so can locating surface 22,22B, 22C by driving shaft 20,20B, 20C promote cylinder body 422 relative positioning holes 41 and move, utilize the pressure of pressure indoor gas again and homing.
In addition as Fig. 3, Figure 11 and shown in Figure 12, driving shaft 20 of the present invention, 20C, 20D can only have a locating surface 22,22C, 22D, and automatic homing device 40,40C, 40D only is provided with one group of locating piece 43,43D, pneumatic cylinder 42,42C, 42D and plug screw piece 44,44D, again please referring to Fig. 8, Fig. 9, driving shaft 20A of the present invention, 20B has two locating surface 22A, 22B, and automatic homing device 40A, 40B can include array and be placed in locating hole 41A respectively, the locating piece 43A of 41B, pneumatic cylinder 42A, 42B and plug screw piece 44A, 44B, provide different response forces, to cooperate different size, the door-plate of thickness and form.
Claims (8)
1. slow and smooth automatic door closing device, it includes:
One can be in order to the fixture of fixed gate plate;
One is arranged on the driving shaft on the fixture, is formed with the locating surface of at least one on driving shaft;
One is connected to the holder of driving shaft, but and fixture relative fixed seat pivot; And
One automatic homing device, this automatic homing device has the pneumatic cylinder of at least one, pneumatic cylinder connects on the corresponding locating surface that is resisted against on the driving shaft, and be filled with the gas of tool pressure, push driving shaft and reply the strength of rotating playback so that door-plate to be provided, wherein the pneumatic cylinder of automatic homing device includes a cylinder body and a depression bar, the gas of tool pressure is filled in the cylinder body, and depression bar stretches in the cylinder body movably, and be provided with a piston that is distinguished into two balancing gate pits in cylinder body in the end that depression bar stretches into cylinder body, be provided with a thin channel that is communicated with two balancing gate pits in piston.
2. slow and smooth automatic door closing device according to claim 1, wherein this automatic homing device is arranged on the fixture, but and driving shaft is fixedlyed connected with holder and the fixture relative drive shaft rotates.
3. slow and smooth automatic door closing device according to claim 2, wherein this fixture covers sheet by a bonding pad and and is formed, on a side of bonding pad, be convexly equipped with and be formed with a driving crown of roll seat, be formed with one on the crown of roll seat and can penetrate wherein axis hole in driving, be connected on the bonding pad at interval and cover sheet for driving shaft;
Be provided with at least one locating hole in driving the crown of roll seat, and locating hole and axis hole are vertical connection in order to the pneumatic cylinder of ccontaining automatic homing device.
4. slow and smooth automatic door closing device according to claim 1, wherein this automatic homing device is arranged on the holder, and driving shaft is fixedly installed on the fixture and and holder between be rotatably and interconnect.
5. slow and smooth automatic door closing device according to claim 4, wherein holder includes a stator and and is fixedly arranged on fixed block on the stator, on fixed block, be concaved with an appearance hole that can supply driving shaft one end to penetrate, on fixed block, then be provided with at least one and hold the locating hole that the hole is perpendicular and be communicated with, and the pneumatic cylinder of automatic homing device is placed in the locating hole respectively.
6. slow and smooth automatic door closing device according to claim 5, wherein be provided with several and run through wherein perforation for retaining elements in stator, and be provided with several combined holes, be provided with several screws relative with combined hole on the stator in fixed block again, other is provided with several and passes combined hole on the stator respectively and the bolt that is screwed into screw on the fixed block.
7. according to each described slow and smooth automatic door closing device of claim 1 to 6, wherein automatic homing device includes at least one in addition and is resisted against locating piece on corresponding locating surface of driving shaft, and locating piece be connected with the depression bar of corresponding pneumatic cylinder against.
8. slow and smooth automatic door closing device according to claim 7, wherein automatic homing device includes the plug screw piece that at least one is screwed with corresponding locating hole in addition, and the depression bar of pneumatic cylinder is connected on the plug screw piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910173685A CN101852050A (en) | 2009-03-30 | 2009-09-15 | Slow and smooth automatic door closing device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920146956.7 | 2009-03-30 | ||
| CN200910173685A CN101852050A (en) | 2009-03-30 | 2009-09-15 | Slow and smooth automatic door closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101852050A true CN101852050A (en) | 2010-10-06 |
Family
ID=42803717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910173685A Pending CN101852050A (en) | 2009-03-30 | 2009-09-15 | Slow and smooth automatic door closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101852050A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134945A (en) * | 2011-01-19 | 2011-07-27 | 希美克(广州)实业有限公司 | Locatable door closer with improved structure |
| CN104747534A (en) * | 2013-12-27 | 2015-07-01 | 稳多企业股份有限公司 | Impact buffering device of hydraulic cylinder |
| CN107542337A (en) * | 2016-06-29 | 2018-01-05 | 张家港市五湖新材料技术开发有限公司 | A kind of controllable support hydraulic pressure bar |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996008657A1 (en) * | 1994-09-16 | 1996-03-21 | Xcalibre Equipment Ltd. | Pneumatic device and system |
| CN2489054Y (en) * | 2001-06-21 | 2002-05-01 | 吴广 | Pneumatic closer |
| CN2685495Y (en) * | 2004-02-20 | 2005-03-16 | 华峰密机厂有限公司 | Air pressure hinge |
| KR20050097736A (en) * | 2004-04-02 | 2005-10-10 | 노하우뱅크(주) | Hinge device for door |
| CN101016817A (en) * | 2006-02-08 | 2007-08-15 | 稳多企业股份有限公司 | Sliding door closing device |
-
2009
- 2009-09-15 CN CN200910173685A patent/CN101852050A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996008657A1 (en) * | 1994-09-16 | 1996-03-21 | Xcalibre Equipment Ltd. | Pneumatic device and system |
| CN2489054Y (en) * | 2001-06-21 | 2002-05-01 | 吴广 | Pneumatic closer |
| CN2685495Y (en) * | 2004-02-20 | 2005-03-16 | 华峰密机厂有限公司 | Air pressure hinge |
| KR20050097736A (en) * | 2004-04-02 | 2005-10-10 | 노하우뱅크(주) | Hinge device for door |
| CN101016817A (en) * | 2006-02-08 | 2007-08-15 | 稳多企业股份有限公司 | Sliding door closing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134945A (en) * | 2011-01-19 | 2011-07-27 | 希美克(广州)实业有限公司 | Locatable door closer with improved structure |
| CN102134945B (en) * | 2011-01-19 | 2013-11-06 | 希美克(广州)实业有限公司 | Locatable door closer with improved structure |
| CN104747534A (en) * | 2013-12-27 | 2015-07-01 | 稳多企业股份有限公司 | Impact buffering device of hydraulic cylinder |
| CN104747534B (en) * | 2013-12-27 | 2017-04-12 | 稳多企业股份有限公司 | Impact buffering device of hydraulic cylinder |
| CN107542337A (en) * | 2016-06-29 | 2018-01-05 | 张家港市五湖新材料技术开发有限公司 | A kind of controllable support hydraulic pressure bar |
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Application publication date: 20101006 |