CN2729257Y - Door hinge - Google Patents
Door hinge Download PDFInfo
- Publication number
- CN2729257Y CN2729257Y CN 200420080333 CN200420080333U CN2729257Y CN 2729257 Y CN2729257 Y CN 2729257Y CN 200420080333 CN200420080333 CN 200420080333 CN 200420080333 U CN200420080333 U CN 200420080333U CN 2729257 Y CN2729257 Y CN 2729257Y
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- Prior art keywords
- movable block
- door hinge
- moving block
- hydraulic cylinder
- door
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Abstract
The utility model relates to a door hinge, comprising a fixing seat and a movable seat. The fixing seat is fixedly connected with a middle sleeve barrel through a fixing piece. The movable seat is fixedly connected with the upper and the lower sleeve barrels through the fixing piece. The upper, the middle and the lower sleeve barrels are connected end-to-end. A regulating screw nut is in screw connection in the upper sleeve barrel. The lower part of the regulating screw nut is provided with a hydraulic cylinder. The lower part of the hydraulic cylinder is provided with a movable block. The lower part of the movable block is provided with a rotating block. The rotating block is fixedly connected in the lower sleeve barrel. The outside of the hydraulic cylinder is sleeved with an inner sleeve barrel. The movable block and the middle sleeve barrel are provided with an axial guide mechanism. A center positioning shaft is provided between the axial centers of the movable block and the rotating block. The mutual contacting end face of the movable block and the rotating block is provided with a lug or a groove which is arranged along the circumferential direction of the end face. The door hinge of the utility model has simple structure and stable service performance, and automatically and slowly closes the door board when the door is closed.
Description
Affiliated technical field
The utility model relates to a kind of door hinge.
Background technology
Door hinge is articulated between door-plate and the doorframe, and general door hinge does not have the function of closing the door automatically.Door closer can be realized the function of closing the door automatically, but door closer is a kind of device at a covering device of portion outdoors, and not only volume is big, and device is at the overall appearance of the outside of door influence door.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned defective of prior art, provides a kind of simple in structure, can continue to maintain under the door opening state, and simultaneously functional performance is stable, but and automatic slowly close the door hinge of door-plate.
The utility model is two door hinges of pairing mutually, their common structures include holder, sliding seat, holder is affixed by stator and middle sleeve, sliding seat is by activity template and last, lower sleeve is affixed, the upper, middle and lower sleeve joins end to end and forms the cavity of a connection, adjusting nut by thread connection in upper bush, the below of adjusting nut is provided with hydraulic cylinder, the below of hydraulic cylinder is provided with movable block, the below of movable block is provided with moving block, moving block is fixed in the lower sleeve, the upper surface of moving block is arranged in middle sleeve, the lower surface of moving block is arranged in lower sleeve, and the outside of hydraulic cylinder is arranged with inner sleeve, and the upper surface of inner sleeve is arranged in upper bush, the lower surface of inner sleeve is arranged in middle sleeve, be provided with axial guiding mechanism between movable block and the middle sleeve, be provided with centration axis between the axle center of movable block and moving block, the end face that movable block and moving block are in contact with one another is provided with separately along the projection of the circumferential setting of end face or groove.Hydraulic cylinder in one of them door hinge adopts the pneumatic cylinder that can put aside elastic force when being compressed, and the hydraulic cylinder in another door hinge adopts the oil hydraulic cylinder that has damping when being compressed.In being provided with the door hinge of pneumatic cylinder, be provided with separately on moving block and the movable block opposing end faces along the projection and the groove of the circumferential setting of end face, the top of projection is provided with outstanding circular arc, groove has an inclined-plane, the direction spiral that the inclined-plane is opened by sliding seat descends, when the stator of door hinge and rotatable lamella were in superimposed position, the outstanding circular arc on the projection was positioned at or is in close proximity to the lowest point of groove.In being provided with the door hinge of oil hydraulic cylinder, be provided with separately along the projection of the circumferential setting of end face on its moving block and the movable block opposing end faces, all have on two projections an inclined-plane and two inclined-planes over against, two direction evenly declines in the shape of a spiral that the inclined-plane is closed by sliding seat, when the stator of door hinge and rotatable lamella are in superimposed position, projection peak on the movable block and the projection peak on the moving block over against or very approaching.
Door hinge of the present utility model is simple in structure, and functional performance is stable, but and closes door-plate at automatic slowly at closing time.The utility model biggest advantage is that it moves fast and moving block and adopts the top to be provided with the projection of outstanding circular arc and be provided with the structure that the groove on inclined-plane matches in adopting the door hinge of pneumatic cylinder, can can use different speed at the diverse location that closes closed procedure by the variation of groove ramp slope being controlled door-plate after adopting this structure, perfectly close an action thereby reach.
Further technical solution of the present utility model is near the gradient on the part inclined-plane of the groove the lowest point gradient less than all the other inclined-planes.
Further technical solution of the present utility model is to be provided with thrust bearing in the one or both ends of hydraulic cylinder.
The lower end abutment that further technical solution of the present utility model is an inner sleeve is provided with spring between the upper end of inner sleeve and the adjusting nut on the step surface of middle sleeve.
Description of drawings
Further illustrate particular content of the present utility model below in conjunction with drawings and Examples.
Fig. 1: the configuration diagram of present embodiment;
The A-A view of Fig. 2: Fig. 1;
Fig. 3: the assembly structure figure that is provided with the door hinge of pneumatic cylinder in the present embodiment;
Fig. 4: the assembly structure figure that is provided with the door hinge of oil hydraulic cylinder in the present embodiment;
Fig. 5: the circumferentially deploying figure that is provided with movable block in the door hinge of pneumatic cylinder in the present embodiment;
Fig. 6: the circumferentially deploying figure that is provided with moving block in the door hinge of pneumatic cylinder in the present embodiment;
Fig. 7: the circumferentially deploying figure that is provided with movable block in the door hinge of oil hydraulic cylinder in the present embodiment;
Fig. 8: the circumferentially deploying figure that is provided with moving block in the door hinge of oil hydraulic cylinder in the present embodiment.
The specific embodiment
Present embodiment is two door hinges of pairing mutually.The structure that they are common such as Fig. 1, shown in Figure 2, comprise holder 11, sliding seat 12, holder 11 is affixed by stator 111 and middle sleeve 112, sliding seat 12 is by activity template 121 and last, lower sleeve 122,123 is affixed, on, in, lower sleeve 122,112,123 join end to end forms the cavity of a connection, be provided with thrust bearing 131 between upper bush 122 and the middle sleeve 112, be provided with thrust bearing 132 between middle sleeve 112 and the lower sleeve 123, adjusting nut 21 be arranged in upper bush 122 and by thread connection at upper bush 122, be provided with screw 124 at upper bush 122 with respect to the position of adjusting nut 21 perpendicular to axis, 125, screw 124, be equiped with in 125 and mark closely screw 126,127, below adjusting nut 21, be provided with hydraulic cylinder 22, between adjusting nut 21 and hydraulic cylinder 22, be provided with thrust bearing 133, below hydraulic cylinder 22, be provided with movable block 23, the piston thick stick of hydraulic cylinder 22 upper surface direct and movable block 23 is inconsistent, below movable block 23, be provided with moving block 24, moving block 24 is fixed in the lower sleeve 123 by pin 128, the upper surface of moving block 24 is arranged in middle sleeve 112, the lower surface of moving block 24 is arranged in lower sleeve 123, be arranged with inner sleeve 14 in the outside of hydraulic cylinder 22, the upper surface of inner sleeve 14 is arranged in upper bush 122, the lower surface of inner sleeve 14 is arranged in middle sleeve 112, place, corresponding inner sleeve 14 lower surfaces is provided with step surface in middle sleeve 112, the lower surface of inner sleeve 14 is resisted against on the step surface of middle sleeve 112, be provided with spring 15 between the upper end of inner sleeve 14 and the adjusting nut 21, movable block 23 side faces are provided with along symmetrically arranged two axial guidances 233 of axis, on the inwall of middle sleeve 112 correspondences, be provided with simultaneously the axial channel 113 that matches with guide rail 233, guide rail 233 is arranged in guide groove 113, place, axle center at movable block 23 is provided with axial internal point 234, movable block internal point 234 opening directions are towards moving block 24, place, axle center at moving block 24 is provided with axial internal point 244, moving block internal point 244 opening directions are towards movable block 23, the first half of centration axis 25 is arranged in the internal point 234 of movable block, the latter half of centration axis 25 is arranged in the internal point 244 of moving block, the end face that movable block 23 and moving block 24 are in contact with one another is provided with along the projection or the groove of the circumferential setting of end face, and the end face of movable block 23 and moving block 24 is plane with axis normal except projection and remaining part of groove.At last, being provided with a capping 151,152 separately in the lower end of the upper end of upper bush 122 and lower sleeve 123 is enclosed in all parts in the middle of the sleeve.
Hydraulic cylinder 22 in one of them door hinge adopts the pneumatic cylinder 221 (Fig. 3) that can put aside elastic force when being compressed, and the hydraulic cylinder 22 in another door hinge adopts the oil hydraulic cylinder 222 (Fig. 4) that has damping when being compressed.In the door hinge that is provided with pneumatic cylinder 221, on its moving block 241 with movable block 231 over against a side end face be provided with along the projection 2411 (Fig. 6) of the circumferential setting of end face, the top of projection 2411 is provided with outstanding circular arc, on the movable block 231 with moving block 241 over against a side end face be provided with along the groove 2311 (Fig. 5) of the circumferential setting of end face, groove 2311 has an inclined-plane, the direction spiral that the inclined-plane is opened by sliding seat 12 descends, the inclined-plane of groove 2311 near the gradient on some inclined-plane, the lowest point of groove 2311 less than this inclined-plane on the gradient of remainder, adopt arc transition between the inclined-plane of different gradients, the circumferential lengths of groove 2311 accounts for 1/4th of whole circumferential size, the length of projection 2411 is less than the circumferential lengths of groove 2311, when the stator 111 of door hinge and rotatable lamella 121 were in superimposed position, the outstanding circular arc on the projection 2411 was very near the lowest point of groove 2311.
In the door hinge that is provided with oil hydraulic cylinder 222, the end face that contacts with movable block 232 on its moving block 242 is provided with the projection 2421 (Fig. 8) along the circumferential setting of end face, the end face that contacts with moving block 242 on the movable block 232 is provided with the projection 2321 (Fig. 7) along the circumferential setting of end face, two projections 2321, all there is the incline direction on an inclined-plane and two inclined-planes identical on 2421, gradient is identical, two direction evenly declines in the shape of a spiral that the inclined-plane is closed by sliding seat 12, projection 2321,2421 circumferential lengths accounts for 1/4th of whole circumferential size, when the stator 111 of door hinge and rotatable lamella 121 were in superimposed position, projection 2321 peaks and projection 2421 peaks on the moving block 242 on the movable block 232 were very approaching.
Two door hinges of present embodiment are installed in respectively with a both direction up and down of door, stator is installed on doorframe, rotatable lamella is installed on the door-plate, under door is in closing state, stator on the door hinge and moving sheet are superimposed or trend towards very much superimposed, be provided with the lowest point that outstanding circular arc on the moving block projection on the hinge of pneumatic cylinder is in close proximity to the movable block groove, under this state, nearest between moving block and the movable block, the projection peak and the projection peak on the movable block that are provided with on the moving block on the hinge of oil hydraulic cylinder are very approaching, under this state, the distance between moving block and the movable block farthest.Use external force that door is opened, just use external force that rotatable lamella is passed to the opposite side direction of stator around pin joint, in the course of action that door is opened, being provided with moving block on the hinge of pneumatic cylinder follows rotatable lamella and rotates to the direction of opening door, the outstanding circular arc in moving block upper protruding block top pushes the inclined-plane of movable block upper groove from the side, because movable block can not be rotated by the restriction of guide rail guide groove pair, therefore movable block will be moved upward under the effect of pressure, and pneumatic cylinder is compressed and puts aside certain restoring force in the process of moving on movable block.Also follow rotatable lamella to the direction rotation of opening door at the moving block that is provided with on the hinge of oil hydraulic cylinder, but the inclined-plane of the inclined-plane of movable block and moving block upper protruding block and the hinge further groove that the is provided with pneumatic cylinder opposite direction that tilts on this hinge, therefore, in the door opening process, projection inclined-plane and the projection inclined-plane on the movable block on the moving block are superimposed gradually, and movable block can move downwards.After door is by complete opening, being provided with in the hinge of pneumatic cylinder the outstanding circular arc on moving block upper protruding block top will deviate from the groove from moving block, should can be resisted against on the plane of moving block end face by outstanding circular arc, at this moment, distance between movable block and the moving block is maximum, being provided with in the hinge of oil hydraulic cylinder two projections on the movable block and moving block also throws off mutually, the top of at least one projection can be resisted against on the plane with the end face of the relative parts of this projection, at this moment, the distance between movable block and the moving block is minimum.Because the active force of pneumatic cylinder is along axis, and the plane that lean with movable block upper protruding block top this moment is perpendicular to axis, under this state, as the effect door hinge of cancelling external force does not have any action yet, therefore, after door is by complete opening and continue to open door-plate, door-plate also can be located arbitrarily.In the present embodiment, door during by complete opening the angle between stator and the rotatable lamella approximately be about 90 degree.When door-plate closing fully and complete opening between the time, be provided with that the outstanding dome in moving block projection top is butted on the inclined-plane of movable block groove in the hinge of pneumatic cylinder, the inclined-plane that is provided with the projection on oil hydraulic cylinder moving block and the movable block mutually against, at this moment, as there is not an effect of external force, being provided with the elastic force that the pneumatic cylinder in the door hinge of pneumatic cylinder put aside will freely be discharged, pneumatic cylinder promotes movable block and moves downwards, the inclined-plane of movable block upper groove acts on the outstanding circular arc in moving block upper protruding block top from the side, impel moving block to rotate to the direction of closing the door, rotatable lamella is passed through in the action of moving block, door-plate passes on the door hinge that is provided with oil hydraulic cylinder, and drive rotatable lamella on the door hinge be provided with oil hydraulic cylinder, the final moving block that drives on this door hinge rotates to the direction of closing the door, in being provided with the door hinge of oil hydraulic cylinder, when moving block rotates to the direction of closing the door, the projection inclined-plane on the movable block is passed on moving block upper protruding block inclined-plane from the side, movable block can only be moved up by the restriction of guide rail guide groove pair and the oil hydraulic cylinder that is positioned at the movable block top is compressed, because oil hydraulic cylinder has damping by compression the time, this moment, oil hydraulic cylinder can produce a reverse active force, this acting in opposition mechanical resistance is delayed the translational speed of movable block, and the final effect that produces is the speed to the direction rotation of closing the door of the slow moving block of resistance.This opposition can be returned on the moving block in the door hinge that is provided with pneumatic cylinder by each parts transmission simultaneously, and makes on the outstanding inclined-plane of circular arc near the movable block upper groove, moving block upper protruding block top in the door hinge that is provided with pneumatic cylinder.The elastic force of putting aside along with pneumatic cylinder discharges gradually, be provided with in the door hinge of pneumatic cylinder that distance can slowly shorten between the movable block and moving block, in this process, the outstanding circular arc in moving block upper protruding block top can be close to the inclined-plane of movable block groove by the side of a sideslip that leaves the groove the lowest point to the groove the lowest point.There is the slope on one section inclined-plane less at the movable block upper groove near the lowest point, when the outstanding circular arc in moving block upper protruding block top slides on this section inclined-plane, the inclined-plane of movable block groove can reduce the side direction active force of the outstanding circular arc in moving block projection top, at this moment, the velocity of rotation of moving block simultaneously can be slack-off.Like this, we can be by controlling the variation of the speed of closing the door to the variation of movable block groove ramp slope, thereby slow down the speed of closing the door when goalkeeper will close, reaches the action that simulation is manually closed the door.On the other hand, also reduce close the door moment door-plate to the impact force of doorframe, reach the effect of protection door-plate and doorframe.
Adjusting nut is used to regulate the initial pressure of pneumatic cylinder and oil hydraulic cylinder in the present embodiment.Setting marks closely that the screw adjusting nut can prevent the loosening of adjusting nut in use and the normal use that influences door hinge.In that thrust bearing is set between adjusting nut and the hydraulic cylinder is because the adjusting nut that is positioned in the process of switch door above the hydraulic cylinder can rotate together along with upper bush, and the movable block that is positioned at below the hydraulic cylinder can only move up and down and can not rotate, therefore hydraulic cylinder certainly will have a side end face follow with its against parts produce friction, hydraulic cylinder generally is not an anti-wear component, by being set, thrust bearing can eliminate the generation of friction, prolong the application life of hydraulic cylinder, the utility model also can be provided with thrust bearing between hydraulic cylinder and movable block, perhaps at the two ends of hydraulic cylinder thrust bearing is set all.Sliding seat and holder are realized hingedly in the present embodiment, and inner sleeve and movable block play jointed shaft here, so inner sleeve is between upper bush and middle sleeve, and movable block is between middle sleeve and lower sleeve.Inner sleeve is pressed on the step surface of middle sleeve in that spring is set above the inner sleeve in the present embodiment, be to make things convenient for adjusting nut hydraulic cylinder to be realized regulating because between inner sleeve and adjusting nut, need to reserve certain clearance, by being set, spring can prevent that inner sleeve from sliding in the middle of upper bush and middle sleeve, the utility model also can be provided with spring below inner sleeve, one end of spring is resisted against on the step surface of middle sleeve, push inner sleeve to adjusting nut one side, can also directly inner sleeve be connected on the middle sleeve by screw thread in the utility model, be because upper bush and middle sleeve can relatively rotate in the switch door, this kind structure inner sleeve in long-term use can be deviate from from screw thread, do not have above-mentioned two kinds rational in infrastructure.The axial channel that axial guidance that is provided with by the side of movable block in the present embodiment and corresponding middle sleeve inwall are provided with has been formed the axially directed mechanism that the restriction movable block rotates, and also is not limited only to guide rail guide groove pair described in the present embodiment but the axially directed mechanism in the utility model is not limited only to this kind concrete structure.Because the structure on projection, groove and inclined-plane, movable block and moving block can be subjected to oblique pressure in the process of work, centration axis is passed the axle center of movable block and moving block simultaneously, can allow movable block and moving block keep more accurate concentricity, thereby keep the stability of door hinge work and increase application life of door hinge, also among centration axis and movable block or the moving block can be made of one structure in the utility model.Projection or groove circumferential size account for 1st/4th of whole circumference size in the present embodiment, consider that most door all is to be opened to 90 degree, if the circumferential size that also can change projection or groove according to concrete angle of special requirement open angle is arranged.And the circumferential size of projection is because there is certain slope variation on the inclined-plane in the groove less than the circumferential size of groove in being provided with the door hinge of pneumatic cylinder, is necessary to reduce the circumferential size of projection in order to make the inclined-plane that makes the outstanding circular arc in projection top be close to groove all the time in the course of work.On movable block and moving block opposing end faces, removing projection and groove remainder is that the plane is for after being opened fully at door, projection on movable block and the moving block or groove can be thrown off mutually, at this moment, the top of projection wherein can be resisted against on the plane of relative parts end face, like this, the door after being unlocked can be realized in the optional position in the certain limit that continues to open stopping.At the end face of upper bush and lower sleeve capping being set can intercept foreign at door hinge outside, the part that protection is inner effectively.In the present embodiment, in being provided with the door hinge of pneumatic cylinder, it is in order to make circular arc outstanding on the projection can be close to the inclined-plane of groove all the time that the inclined-plane that adopts the projection top that outstanding circular arc and groove are set matches, after the inclined-plane of groove adopts the curve inclined-plane of the slope that changes, the variation of this slope can by with the variation that cooperates the translational speed that is reflected in projection at last of the outstanding circular arc in projection top on, thereby reach the action of closing the door of the speed of changing, and the final realization action of perfectly closing the door, simultaneously, the chien shih door-plate at a flash of cutting out door fully reduces the impact force of doorframe, prolonged the application life of door-plate and doorframe.In the present embodiment in being provided with the door hinge of oil hydraulic cylinder, on two projections on movable block and the moving block the inclined-plane all twist and incline direction is identical, gradient is identical, this kind structure can remain the inclined-plane that contact with moving block in relative rotation the time at movable block and fit fully, keep stability in relative rotation on the one hand, can prolong the life-span that movable block and moving block use on the other hand the biglyyest.
Claims (6)
1, a kind of door hinge, comprise two door hinges of pairing mutually, its common structure is all to include holder, sliding seat, holder is affixed by stator and middle sleeve, sliding seat is by activity template and last, lower sleeve is affixed, the upper, middle and lower sleeve joins end to end and forms the cavity of a connection, it is characterized in that: adjusting nut by thread connection in upper bush, the below of adjusting nut is provided with hydraulic cylinder, the below of hydraulic cylinder is provided with movable block, the below of movable block is provided with moving block, moving block is fixed in the lower sleeve, and the upper surface of moving block is arranged in middle sleeve, and the lower surface of moving block is arranged in lower sleeve, the outside of hydraulic cylinder is arranged with inner sleeve, the upper surface of inner sleeve is arranged in upper bush, and the lower surface of inner sleeve is arranged in middle sleeve, is provided with axial guiding mechanism between movable block and the middle sleeve, be provided with centration axis between the axle center of movable block and moving block, the end face that movable block and moving block are in contact with one another is provided with separately along the projection of the circumferential setting of end face or groove; Hydraulic cylinder in one of them door hinge adopts the pneumatic cylinder that can put aside elastic force when being compressed, and the hydraulic cylinder in another door hinge adopts the oil hydraulic cylinder that has damping when being compressed; In being provided with the door hinge of pneumatic cylinder, be provided with separately on moving block and the movable block opposing end faces along the projection and the groove of the circumferential setting of end face, the top of projection is provided with outstanding circular arc, groove has an inclined-plane, the direction spiral that the inclined-plane is opened by sliding seat descends, when the stator of door hinge and rotatable lamella were in superimposed position, the outstanding circular arc on the projection was positioned at or is in close proximity to the lowest point of groove; In being provided with the door hinge of oil hydraulic cylinder, be provided with separately along the projection of the circumferential setting of end face on its moving block and the movable block opposing end faces, all have on two projections an inclined-plane and two inclined-planes over against, two direction evenly declines in the shape of a spiral that the inclined-plane is closed by sliding seat, when the stator of door hinge and rotatable lamella are in superimposed position, projection peak on the movable block and the projection peak on the moving block over against or very approaching.
2, door hinge according to claim 1, it is characterized in that: in being provided with the door hinge of pneumatic cylinder, the inclined-plane of the groove of described movable block or moving block near the gradient on some inclined-plane, the lowest point of groove less than this inclined-plane on the gradient of remainder.
3, door hinge according to claim 2 is characterized in that: the one or both ends of hydraulic cylinder are provided with thrust bearing.
4, door hinge according to claim 3 is characterized in that: the lower end abutment of inner sleeve is provided with spring between the upper end of inner sleeve and the adjusting nut on the step surface of middle sleeve.
5, door hinge according to claim 4 is characterized in that: projection or groove size on movable block and the moving block end face account for 1/4th of circumferential size, and the remainder of end face is the plane.
6, according to claim 1 or 2 or 3 or 4 or 5 described door hinges, it is characterized in that: be provided with thrust bearing between upper bush and the middle sleeve, be provided with thrust bearing between middle sleeve and the lower sleeve, be provided with a capping separately in the upper end of upper bush and the lower end of lower sleeve simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420080333 CN2729257Y (en) | 2004-10-14 | 2004-10-14 | Door hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420080333 CN2729257Y (en) | 2004-10-14 | 2004-10-14 | Door hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729257Y true CN2729257Y (en) | 2005-09-28 |
Family
ID=35048034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420080333 Expired - Fee Related CN2729257Y (en) | 2004-10-14 | 2004-10-14 | Door hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729257Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705775B (en) * | 2009-10-10 | 2012-09-12 | 上海洋洋大多利特殊钉有限公司 | Automatic-closing door hinge |
| CN103266823A (en) * | 2013-05-21 | 2013-08-28 | 宁波市五角阻尼科技有限公司 | Screw type hydraulic hinge |
| CN103334662A (en) * | 2013-04-16 | 2013-10-02 | 秦中银 | Multifunctional integrated hinge |
| CN105370130A (en) * | 2015-12-10 | 2016-03-02 | 湖州职业技术学院 | Hydraulic damping force adjusting mechanism for hydraulic hinge |
| CN106121429A (en) * | 2016-08-30 | 2016-11-16 | 李龙 | Hinge pneumatic door closer and the hinge of applying this pneumatic door closer thereof |
| CN108678581A (en) * | 2018-07-24 | 2018-10-19 | 张红卫 | A kind of built-in door absorption function Damping hinge |
-
2004
- 2004-10-14 CN CN 200420080333 patent/CN2729257Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705775B (en) * | 2009-10-10 | 2012-09-12 | 上海洋洋大多利特殊钉有限公司 | Automatic-closing door hinge |
| CN103334662A (en) * | 2013-04-16 | 2013-10-02 | 秦中银 | Multifunctional integrated hinge |
| CN103266823A (en) * | 2013-05-21 | 2013-08-28 | 宁波市五角阻尼科技有限公司 | Screw type hydraulic hinge |
| CN103266823B (en) * | 2013-05-21 | 2016-07-06 | 宁波市五角阻尼股份有限公司 | A kind of screw type hydraulic hinge |
| CN105370130A (en) * | 2015-12-10 | 2016-03-02 | 湖州职业技术学院 | Hydraulic damping force adjusting mechanism for hydraulic hinge |
| CN106121429A (en) * | 2016-08-30 | 2016-11-16 | 李龙 | Hinge pneumatic door closer and the hinge of applying this pneumatic door closer thereof |
| CN108678581A (en) * | 2018-07-24 | 2018-10-19 | 张红卫 | A kind of built-in door absorption function Damping hinge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |