CN201040946Y - Protection device for bolt hole - Google Patents
Protection device for bolt hole Download PDFInfo
- Publication number
- CN201040946Y CN201040946Y CNU2007201483461U CN200720148346U CN201040946Y CN 201040946 Y CN201040946 Y CN 201040946Y CN U2007201483461 U CNU2007201483461 U CN U2007201483461U CN 200720148346 U CN200720148346 U CN 200720148346U CN 201040946 Y CN201040946 Y CN 201040946Y
- Authority
- CN
- China
- Prior art keywords
- bolt hole
- protecting cover
- door
- protective cover
- connecting plates
- 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 relates to a bolt hole protecting device, which can provide convenience for maintaining the metal door and the wood door used in our daily life, comprising a protecting cover, a tensional spring, a connecting shaft, and a fixed plate. The end side of the protecting cover is provided with two connecting plates which are vertical to the cover surface, the connecting plates are provided with two shaft holes, the end of the fixed plate is also provided with two connecting plates which are vertical to the plate surface, the connecting plates are provided with two shaft holes, the connecting shaft is passed through the shaft holes to connect the protecting cover and the fixed plate, the tensional spring is arranged in the middle part of the connecting shaft, the protecting cover is provided with a lug boss resembled to the shape of the bolt on the surface. The lug boss is shaped by stamping. The bolt hole protecting device is installed within the door frame, when closing the metal door or the wood door, the bolt props the protecting cover up and passes through the bolt hole; when opening the door, the protecting cover is tightly attached on the inner side of the bolt hole automatically by the effect of the tensional spring, the process on the protecting cover fills the bolt hole space of the door frame, so not only the sundries is prevented from entering, but also the door frame looks more coordinated and beautiful.
Description
Technical field:
The utility model relates to the door and window protector, is specially a kind of keeper hole protector that metal door, steel timber etc. are suitable for.
Technical background:
Existing metal door, steel timber all be to adopt the very high metal of intensity to make door-plate, and doorframe adopt metal material to make more.Metal door, steel timber normally adopt the doorframe multiaspect to open keyhole, use the mode of multi-level keeper to strengthen antitheft effect, wherein have part keeper hole just to offer the lower door frame place again.Find all can pile up a lot of dusts usually in the keeper hole at lower door frame place through using for a long time, and other particle foreign material, make metal door, steel timber close very and have some setbacks.When serious, damage metal door, steel timber bolt or doorframe, repair cumbersome.Keep keeper hole cleaning, will often note clearing up the foreign material of the inside, still cleaning is got up and is very inconvenient.
The utility model content:
The technical problems to be solved in the utility model provides a kind of keeper hole protector, uses it to safeguard and to provide convenience for our daily metal door, steel timber.
The technical scheme that solves the problems of the technologies described above employing is: a kind of keeper hole protector is provided, comprise protective cover, torsion spring, connecting axle and fixed head, distolateral two junction plates that are provided with perpendicular to capping of protective cover, junction plate is provided with two axis holes, and the fixed head end also is provided with two junction plates perpendicular to the plate face, and junction plate is provided with two axis holes, connecting axle passes above-mentioned axis hole, connect protective cover and fixed head, torsion spring set is located at the connecting axle stage casing, and the protection capping is provided with the boss with keeper hole shape size.
Described boss is the shape that is stamped to form.
The beneficial effects of the utility model are: the device that provides is installed on doorframe inside, and when closing metal door, steel timber, keeper backs down protective cover, passes keyhole; When door was opened, protective cover was close to inboard, keeper hole automatically under the effect of torsion spring, and the projection on it has been filled up the keyhole space of doorframe, has so not only prevented entering of foreign material, and doorframe was taken a fancy to coordinate more attractive in appearance.
Description of drawings:
The structural representation of Fig. 1, the utility model embodiment.
The schematic diagram of Fig. 2, the utility model specific embodiment.
Fig. 3, another embodiment of the present utility model.
Among the figure, 1 protective cover, 2 torsion springs, 3 connecting axles, 4 fixed heads, 5 doorframes, 6 keepers.
The specific embodiment:
Say the specific embodiment of the present utility model in conjunction with the accompanying drawings, a kind of keeper hole protector, comprise protective cover 1, torsion spring 2, connecting axle 3 and fixed head 4, protective cover 1 distolateral two junction plates that are provided with perpendicular to capping, junction plate is provided with two axis holes, the fixed head end also is provided with two junction plates perpendicular to the plate face, junction plate is provided with two axis holes, and connecting axle 3 passes above-mentioned axis hole, connects protective cover 1 and fixed head 2, torsion spring 2 is sheathed on connecting axle 3 stage casings, and the protection capping is provided with the boss with keeper hole shape size.Described boss is the shape that is stamped to form.Use this use new technique scheme, need to select protective cover according to keeper hole shape size, fixed head is a metal material, and its mode with welding is fixed on keyhole one side of doorframe 5.
Another embodiment of the utility model, as schematically shown in Figure 3, two ends of its torsion spring are becoming 90 degree angles, making fixed head and protective cover present vertical direction is connected, fixing on two can be in the doorframe at place, keeper hole vertical faces, fixed form can adopt welding or punching riveted joint, or even the mode of screw.Specific embodiment that provides only for expressing the needs of the technical program, be not restriction to scope.
Claims (2)
1. keeper hole protector, comprise protective cover (1), torsion spring (2), connecting axle (3) and fixed head (4), it is characterized in that: distolateral two junction plates that are provided with perpendicular to capping of protective cover (1), junction plate is provided with two axis holes, fixed head (4) end also is provided with two junction plates perpendicular to the plate face, junction plate is provided with two axis holes, connecting axle (3) passes above-mentioned axis hole, connect protective cover (1) and fixed head (4), torsion spring (2) is sheathed on connecting axle (3) stage casing, and protective cover (1) face is provided with the boss with keeper hole shape size.
2. a kind of keeper according to claim 1 hole protector, it is characterized in that: described boss is the shape that is stamped to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201483461U CN201040946Y (en) | 2007-05-31 | 2007-05-31 | Protection device for bolt hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201483461U CN201040946Y (en) | 2007-05-31 | 2007-05-31 | Protection device for bolt hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201040946Y true CN201040946Y (en) | 2008-03-26 |
Family
ID=39252652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201483461U Expired - Fee Related CN201040946Y (en) | 2007-05-31 | 2007-05-31 | Protection device for bolt hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201040946Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453633A (en) * | 2014-12-14 | 2015-03-25 | 张卫 | Dormant-lock type anti-theft door |
| CN104499839A (en) * | 2014-12-25 | 2015-04-08 | 张卫 | Stealing-opening prevention type lock |
-
2007
- 2007-05-31 CN CNU2007201483461U patent/CN201040946Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453633A (en) * | 2014-12-14 | 2015-03-25 | 张卫 | Dormant-lock type anti-theft door |
| CN104499839A (en) * | 2014-12-25 | 2015-04-08 | 张卫 | Stealing-opening prevention type lock |
| CN104499839B (en) * | 2014-12-25 | 2017-01-18 | 张卫 | Stealing-opening prevention type lock |
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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: 20080326 Termination date: 20100531 |