CN202467449U - Automatic door closing hinge - Google Patents
Automatic door closing hinge Download PDFInfo
- Publication number
- CN202467449U CN202467449U CN2012200879496U CN201220087949U CN202467449U CN 202467449 U CN202467449 U CN 202467449U CN 2012200879496 U CN2012200879496 U CN 2012200879496U CN 201220087949 U CN201220087949 U CN 201220087949U CN 202467449 U CN202467449 U CN 202467449U
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- China
- Prior art keywords
- turning cylinder
- headpin
- resistance
- door
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an automatic door closing hinge. The shaft holes at the two ends of adjacent hinge plates are rotatably connected with each other through a fixed shaft and a rotating shaft; the fixed shaft and the rotating shaft are respectively T-shaped and cross-shaped; the large head post on the upper part of the fixed shaft and the large head post on the middle part of the rotating shaft are respectively connected with respective hinge plate fixedly; a torsion spring is arranged in the shaft hole between the fixed shaft and the rotating shaft; the two ends of the torsion spring are respectively connected with the small head post on the lower part of the fixed shaft and the small head shaft on the upper part of the rotating shaft; the small head post on the lower part of the rotating shaft is inserted into the shaft hole of the other hinge plate; a shell sleeve is arranged in the hinge plate corresponding to the small head post on the lower part of the rotating shaft; a plurality of resistance moving pieces and a plurality of resistance fixed pieces which are distributed in a staggered way in pairs and in frictional contact with each other are sleeved out of the small head post on the lower part of the rotating shaft; the resistance moving pieces can rotate along with the rotating shaft; and the resistance fixed pieces are limited and positioned by the shell sleeve. The automatic door closing hinge is low in production cost, long in service life, wide in application, and suitable to be installed and used on a left-opening door, a right-opening door and a free door.
Description
[technical field]
The utility model relates to a kind of hinge, refers in particular to close the hinge of door (closing door) by automatic slowly.
[background technology]
Hinge has been widely applied on the door of rotary type open and close door.In order to realize closing automatically door; People have developed the hinge that can close door automatically, mainly contain two kinds and close door hinge automatically, and a kind of is Rapid door closer; Another kind is slowly to close door; The former hurts sb.'s feelings in closing a process easily, and damage doorframe easily in use for some time, door leaf or door, so people generally like using the hinge that slowly closes door.Current, the hinge that closes door slowly all is that hydraulic cylinder structure has been installed in hinge basically, comes slowly to drive hinge through hydraulic way and rotates and slowly shut door, and this hydraulic cylinder type closes door hinge automatically and has following deficiency:
1, structure more complicated, cost of production is higher;
2, solidify owing to enduring cold easily, cause being difficult to accomplish close automatically door, so its application scenario is narrower at colder northern area hydraulic oil;
3, this hinge is branch L.H.flapped door or R.H.flapped door formula; Be that same set of hinge can only be contained on the door of L.H.flapped door or R.H.flapped door; People just must confirm that before buying the hinge of being bought is to be contained on the door of L.H.flapped door or R.H.flapped door, then can't use otherwise bought mistake like this.
[utility model content]
The purpose of the utility model is the deficiency that is to overcome prior art, provides that a kind of cost of production is low, long service life, application scenario are wide closes door hinge automatically, and it is applicable on L.H.flapped door, R.H.flapped door and the free door and installs and uses.
In order to solve the technical problem of above-mentioned existence, the utility model adopts following technical proposals:
A kind of door hinge that closes automatically; Include two or three page or leaf sheets; Between the axis hole at adjacent page sheet two ends, be rotationally connected through fixed axis and turning cylinder respectively; Said fixed axis and turning cylinder are T-shape and " ten " type respectively, and the big headpin at the big headpin on said fixed axis top and turning cylinder middle part is fixedly connected with separately a page sheet respectively, is provided with torsion spring in the axis hole between fixed axis and turning cylinder; Said torsion spring two ends are fixedly connected with the little headpin of fixed axis bottom and microcephaly's post on turning cylinder top respectively; The little headpin of said turning cylinder bottom is inserted in the axis hole of another page sheet, and valve jacket outside in pairing that piece page or leaf sheet of the little headpin of said turning cylinder bottom, being provided with is with several the resistance moving plate and resistance stators of CONTACT WITH FRICTION each other of distributing also that interlace in twos outside microcephaly's post of said turning cylinder bottom; Described resistance moving plate can be followed the turning cylinder rotation, and described resistance stator is by outer valve jacket restriction location.
In to above-mentioned improvement project of closing door hinge automatically, the environmental protection resistance oil is housed in the valve jacket outside said.
In to above-mentioned improvement project of closing door hinge automatically, microcephaly's post section of said turning cylinder bottom is square, the center that moving plate is decided in described resistance for and the corresponding square opening of this square cross-section; The center of said resistance stator is a circular hole, and its aperture is bigger than the catercorner length of square section, puts at said shell and is provided with stopper slot, on said resistance stator, is provided with the boss that can be stuck in this stopper slot.
In to above-mentioned improvement project of closing door hinge automatically, the big headpin on said fixed axis top is divided into fixed column and moving post, between said fixed column and the contacted end face of moving post, is provided with the accent power tooth that is meshed, and described fixed column is fixedly connected with the page or leaf sheet at place; Be respectively equipped with through hole and the power of accent blind hole at said fixed column and moving post center; The little headpin of said fixed axis bottom with move the post one.
Compared with prior art; The beneficial effect of the utility model is: 1), since it be adopt several interlace in twos the resistance moving plate that distributes and resistance stator mutually mutual friction delay torsion spring and reset; Slowly close door thereby reach; Slowly close the hydraulic cylinder hinge of door before comparing, its structure is more simple, and cost of production is lower; 2), in addition, so not fragile doorframe, door leaf or a door when slowly closing are its long service life; 3), meanwhile, the utility model can be used to be installed on the door of L.H.flapped door and R.H.flapped door and free door, so its application scenario is wider.
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further to describe in detail:
[description of drawings]
Fig. 1 is the structural representation (two page or leaf sheet hinges) of the utility model embodiment one;
Fig. 2 is the assembling sketch map (three page or leaf sheet hinges) of the utility model embodiment two;
Fig. 3 is the local I enlarged drawing of Fig. 1;
Fig. 4 is the assembling sketch map that the utility model slowly closes door.
[specific embodiment]
The utility model is a kind of door hinge that closes automatically; Like Fig. 1,2, shown in 3; Include two or three page or leaf sheets 1; Between the axis hole 11 at adjacent page sheet 1 two ends, be rotationally connected through fixed axis 2 and turning cylinder 3 respectively; Wherein said fixed axis 2 is T-shape and " ten " type respectively with turning cylinder 3, and the big headpin 21 on said fixed axis 2 tops and the big headpin 31 at turning cylinder 3 middle parts are fixedly connected with separately a page sheet 1 respectively, are provided with torsion spring 4 in the axis hole 11 between fixed axis 2 and turning cylinder 3; Said torsion spring 4 two ends are fixedly connected with microcephaly's post 22 of fixed axis 2 bottoms and microcephaly's post 32 on turning cylinder 3 tops respectively; Microcephaly's post 33 of said turning cylinder 3 bottoms is inserted in the axis hole of another page sheet, and valve jacket 5 outside in microcephaly's post 33 pairing those piece page or leaf sheets of said turning cylinder 3 bottoms, being provided with is with several resistance moving plates 6 and resistance stator 7 of CONTACT WITH FRICTION each other of distributing also that interlace in twos outside microcephaly's post 33 of said turning cylinder 3 bottoms; Described resistance moving plate 6 can be followed turning cylinder 3 rotations, and described resistance stator 7 is by outer valve jacket 5 restriction location.The utility model when opening the door, tightens up torsion spring 4 twisting certain angles after the moving axis 3 that rotates between the adjacent page sheet rotates with fixed axis 2 after installing on the door; In case unclamp door; Torsion spring 4 begins to loosen and resets, when it drives a corresponding page or leaf sheet and closes door through turning cylinder 3, resistance moving plate 6 also and then turning cylinder 3 rotate; At this moment resistance moving plate 6 produces friction again and between the adjacently situated surfaces of resistance stator 7, and door is slowly shut.From on can find out; The utility model be adopt several interlace in twos the resistance moving plate 6 that distributes and resistance stator 7 mutually mutual friction delay torsion spring and reset fast, slowly close door thereby reach, a hydraulic cylinder hinge that slowly closes before comparing; Its structure is more simple, and cost of production is lower; In addition, so not fragile doorframe, door leaf or a door when slowly closing are its long service life; Meanwhile, the utility model can be used to be installed on the door of L.H.flapped door and R.H.flapped door and free door, so its application scenario is wider, and free door is meant and not only can promotes to open the door but also can spur the door that opens the door.
In embodiment shown in Figure 1, it has two page or leaf sheets, can be installed on the door of L.H.flapped door or R.H.flapped door; In embodiment shown in Figure 2 two, it has three page or leaf sheets, be useful in to promote and pulling is opened on (promptly before push away rotate open the door with post-tensioning) free, but and all automatic slowly close door.
For make contact friction between adjacent resistance moving plate 6 and the resistance stator 7 more abundant with increase the service life, so environmental protection resistance oil 8 is housed in the valve jacket 5 outside said.
In the present embodiment, as shown in Figure 4, microcephaly's post 33 sections of said turning cylinder 3 bottoms are square, and the center that moving plate 6 is decided in described resistance is and the corresponding square opening 61 of this square cross-section; The center of said resistance stator 7 is a circular hole 71; Its aperture is than the catercorner length of square section big slightly (being advisable can not hinder the turning cylinder rotation); Outside said, be provided with stopper slot 51 on the valve jacket 5, on said resistance stator 7, be provided with the boss 72 that can be stuck in this stopper slot 51, at this; Stopper slot 51 on the outer valve jacket 5 has two, the boss 72 on the resistance stator 7 also have two corresponding.Certainly; The shape of resistance stator 7, resistance moving plate 6; And their center also can be the hole of other shape; And the location between outer valve jacket 5 and the resistance stator 7 also can be a various structure, follows turning cylinder 3 rotation as long as can realize resistance moving plate 6, and resistance stator 7 can and then not rotate and be in contact with one another friction with resistance moving plate 6 all be within the protection domain of present patent application.
In present embodiment one, two; Like Fig. 1, shown in 2; The big headpin 21 on said fixed axis 2 tops is divided into fixed column 211 and moving post 212; Between said fixed column 211 and moving post 212 contacted end faces, be provided with the accent power tooth 2111,2121 that is meshed, described fixed column 211 is fixedly connected with the page or leaf sheet at place through latch 23; Be respectively equipped with through hole 2112 and the power of accent blind hole 2122 (being generally square opening or hexagon ring etc.) at said fixed column 211 and moving post 212 centers; So just can pass through hole 2112 with aid is inserted in the accent power blind hole 2122 and presses post 212 down and accent power tooth 2111,2121 between fixed column 211 and the moving post 212 is separated revolved Rotational Cylindrical 212 afterwards; With the torsion of adjustment torsion spring 4, thereby reach the speed that door is closed in suitable adjustment; The microcephaly's post 22 and the moving post 212 of said fixed axis 2 bottoms are integrated.
In the present embodiment, as shown in Figure 4, outer valve jacket 5 is to separate with a corresponding page or leaf sheet, when mounted the shell cover is pressed in the axis hole of page sheet they are fixed together, and certainly, outer valve jacket can be molded directly within the axis hole of page sheet.
Although the utility model is illustrated, be to be understood that to can in the purport of the utility model design and scope, carrying out multiple improvement with reference to embodiment.Therefore, the utility model is not limited to described embodiment, but by the described four corner of claims.
Claims (4)
1. one kind is closed door hinge automatically; Include two or three page or leaf sheets (1); Between the axis hole (11) at adjacent page sheet (1) two ends, be rotationally connected through fixed axis (2) and turning cylinder (3) respectively; It is characterized in that: said fixed axis (2) and turning cylinder (3) are T-shape and " ten " type respectively; The big headpin (31) at the big headpin (21) on said fixed axis (2) top and turning cylinder (3) middle part is fixedly connected with separately a page or leaf sheet (1) respectively; Be provided with torsion spring (4) in the axis hole (11) between fixed axis (2) and turning cylinder (3); Said torsion spring (4) two ends are fixedly connected with the little headpin (22) of fixed axis (2) bottom and the little headpin (32) on turning cylinder (3) top respectively; The little headpin (33) of said turning cylinder (3) bottom is inserted in the axis hole of another page sheet, and valve jacket (5) outside in pairing that piece page or leaf sheet of the little headpin (33) of said turning cylinder (3) bottom, being provided with is with several the resistance moving plate (6) and resistance stators (7) of CONTACT WITH FRICTION each other of distributing also that interlace in twos outside the little headpin (33) of said turning cylinder (3) bottom; Described resistance moving plate (6) can be followed turning cylinder (3) rotation, and described resistance stator (7) is by outer valve jacket (5) restriction location.
2. the door hinge that closes automatically according to claim 1 is characterized in that: environmental protection resistance oil (8) is housed in the valve jacket outside said (5).
3. the door hinge that closes automatically according to claim 1 and 2 is characterized in that: little headpin (33) section of said turning cylinder (3) bottom is square, and the center that moving plate (6) is decided in described resistance is and the corresponding square opening of this square cross-section (61); The center of said resistance stator (7) is circular hole (71); Its aperture is bigger than the catercorner length of square section; Be provided with stopper slot (51) on the valve jacket outside said (5), on said resistance stator (7), be provided with the boss (72) that can be stuck in this stopper slot (51).
4. the door hinge that closes automatically according to claim 3; It is characterized in that: the big headpin (21) on said fixed axis (2) top is divided into fixed column (211) and moving post (212); Between said fixed column (211) and the contacted end face of moving post (212), be provided with the accent power tooth (2111,2121) that is meshed, described fixed column (211) is fixedly connected with the page or leaf sheet at place; Be respectively equipped with through hole (2112) and transfer power blind hole (2122) at said fixed column (211) and moving post (212) center; The little headpin (22) of said fixed axis (2) bottom and moving post (212) one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200879496U CN202467449U (en) | 2012-03-12 | 2012-03-12 | Automatic door closing hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200879496U CN202467449U (en) | 2012-03-12 | 2012-03-12 | Automatic door closing hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202467449U true CN202467449U (en) | 2012-10-03 |
Family
ID=46915615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200879496U Expired - Lifetime CN202467449U (en) | 2012-03-12 | 2012-03-12 | Automatic door closing hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202467449U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587771A (en) * | 2012-03-12 | 2012-07-18 | 中山市永航金属制造有限公司 | Automatic door closing hinge |
| CN105003148A (en) * | 2014-04-27 | 2015-10-28 | 邵国忠 | Automatic door closing speed governing hinge |
-
2012
- 2012-03-12 CN CN2012200879496U patent/CN202467449U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587771A (en) * | 2012-03-12 | 2012-07-18 | 中山市永航金属制造有限公司 | Automatic door closing hinge |
| CN105003148A (en) * | 2014-04-27 | 2015-10-28 | 邵国忠 | Automatic door closing speed governing hinge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191212 Address after: 528400 Building 1, No. 5, taohuasha Road, Xiaolan Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan Yuanhang Hardware Manufacturing Co., Ltd Address before: 528400 Guangdong Province, Zhongshan City Xiaolan Town Road Jucheng East Dragon Industrial Zone Patentee before: Zhongshan Yonghang Metal Products Manufacturing Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |