CN202299828U - Spring hinge of burglar-proof door - Google Patents
Spring hinge of burglar-proof door Download PDFInfo
- Publication number
- CN202299828U CN202299828U CN2011203814501U CN201120381450U CN202299828U CN 202299828 U CN202299828 U CN 202299828U CN 2011203814501 U CN2011203814501 U CN 2011203814501U CN 201120381450 U CN201120381450 U CN 201120381450U CN 202299828 U CN202299828 U CN 202299828U
- Authority
- CN
- China
- Prior art keywords
- hinge
- door
- spring
- burglar
- utility
- 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 - Fee Related
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Abstract
The utility model discloses a spring hinge of a burglar-proof door. The hinge comprises an assembly sheet, a flat spiral spring and a support shaft, wherein one end of the assembly sheet is connected with a door, and the other end of the assembly sheet is connected with the flat spiral spring; the flat spiral spring is arranged on the support shaft; and the support shaft is arranged on a door frame. According to the utility model, the hinge can be arranged and used on a heavy burglar-proof door due to the arrangement of the flat spiral spring, and the hinge has the function of automatically closing or opening the door of a conventional spring hinge.
Description
Technical field
The utility model relates to a kind of hinge, relates in particular to a kind of security door spring hinge.
Background technology
Hinge is claimed hinge again, is to be used for connecting two solids, and allows the mechanical device that rotates between the two.Hinge is used for connecting door and doorframe, window and window frame etc. in practical application, door, window are freely rotated and folding.Traditional hinge is formed by connecting blade and bearing pin, and blade can freely rotate around bearing pin.Existing a kind of modified hinge is that spring hinge generally is that torsion spring is installed in the hinge axis, so just can make door keep standard-sized sheet or full-shut position, promptly after opening back realization auto-closing or closure, realizes opening automatically.
Along with the extensive use of modern society's security door, traditional hinge has not applied on more and more heavier security door and has used, and therefore, when security door is installed, need use novel structure to realize the function of hinge.
The utility model content
The purpose of the utility model provides a kind of security door spring hinge, has solved existing hinge is difficult to normally realize its function on heavy security door problem.
For realizing above-mentioned purpose, adopt following technical scheme:
A kind of security door spring hinge; Said hinge comprises installation sheet, plane scroll spring and back shaft, and said installation sheet one end links to each other with door, and the other end links to each other with plane scroll spring; Said plane scroll spring is installed on the back shaft, and said back shaft is installed on the doorframe.
The beneficial effect of the utility model is, a kind of novel hinge structure is provided, and through the mounting plane scroll spring, it can be installed and used on heavy security door, and this hinge has closing automatically of common spring hinge or opens the function of door automatically.
Description of drawings
According to embodiment and accompanying drawing the utility model is done further explain below.
Fig. 1 is the described structural representation of the utility model;
Among the figure:
1, installation sheet; 2, plane scroll spring; 3, back shaft.
The specific embodiment
Below in conjunction with accompanying drawing, further specify the utility model through embodiment.
As shown in Figure 1; It is a specific embodiment of the utility model; Comprise installation sheet 1, plane scroll spring 2 and back shaft 3, said installation sheet 1 one ends link to each other with door, and the other end links to each other with plane scroll spring 2; Said plane scroll spring 2 is installed on the back shaft 3, and said back shaft 3 is installed on the doorframe.
The described a kind of security door spring hinge of present embodiment is fixed in installation sheet 1 on the door when mounted, and back shaft 3 is fixed in relevant position on the doorframe, like this by means of plane scroll spring 2, has just realized the connection door of hinge and the function of doorframe.
The utility model provides a kind of security door spring hinge, makes its weight that can support heavier security door, can also realize the auto-closing of door or opens through plane scroll spring
Claims (1)
1. security door spring hinge; It is characterized in that: said hinge comprises installation sheet, plane scroll spring and back shaft, and said installation sheet one end links to each other with door, and the other end links to each other with plane scroll spring; Said plane scroll spring is installed on the back shaft, and said back shaft is installed on the doorframe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203814501U CN202299828U (en) | 2011-09-30 | 2011-09-30 | Spring hinge of burglar-proof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203814501U CN202299828U (en) | 2011-09-30 | 2011-09-30 | Spring hinge of burglar-proof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202299828U true CN202299828U (en) | 2012-07-04 |
Family
ID=46368751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203814501U Expired - Fee Related CN202299828U (en) | 2011-09-30 | 2011-09-30 | Spring hinge of burglar-proof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202299828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510774A (en) * | 2013-09-25 | 2014-01-15 | 北京中家智铭设计有限公司 | Hinge |
-
2011
- 2011-09-30 CN CN2011203814501U patent/CN202299828U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510774A (en) * | 2013-09-25 | 2014-01-15 | 北京中家智铭设计有限公司 | Hinge |
| CN103510774B (en) * | 2013-09-25 | 2016-02-10 | 北京中家智铭设计有限公司 | A kind of hinge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20120930 |