CN202831905U - Anti-theft door bolt with clearance compensation function - Google Patents
Anti-theft door bolt with clearance compensation function Download PDFInfo
- Publication number
- CN202831905U CN202831905U CN 201220358126 CN201220358126U CN202831905U CN 202831905 U CN202831905 U CN 202831905U CN 201220358126 CN201220358126 CN 201220358126 CN 201220358126 U CN201220358126 U CN 201220358126U CN 202831905 U CN202831905 U CN 202831905U
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- CN
- China
- Prior art keywords
- skewback
- movable
- latch key
- compensation function
- clearance compensation
- 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 an anti-theft door bolt with a clearance compensation function. The anti-theft door bolt with the clearance compensation function comprises a bolt body and a fixed seat. The bottom of the bolt body is arranged on the fixed seat, the fixed seat can be slidingly sleeved in a tooth groove of a fixed support frame in an up-and-down mode, a stroke limit piece is arrange in the tooth groove of the fixed support frame, and a notch and a blind hole are arranged in a bolt body end which is inserted in a door frame from top to bottom. A spring is arranged in the blind hole, a movable oblique block is arranged in the notch, and the movable oblique block protrudes out of the bolt body in a radial direction. The upper end of the movable oblique block is hinged with a limit pin used for limiting moving stroke of the movable oblique block, the limit pin is arranged at the most upper end of the bolt body end which is inserted in the door frame, and the upper end of the spring abuts against the lower portion of the movable oblique block. The anti-theft door bolt with the clearance compensation function has the advantages of being good in firmness and convenient to operate.
Description
Technical field
The utility model relates to a kind of security door latch.
Background technology
Existing security door latch all is to belong to the single pole structure, and security door producer fans the very difficult control of error of latch perforate to the son of double door when producing, and has caused sub-fan fixing not firm, has affected sealing and the use of double-leaf anti-theft door.Although much security door producers install adjustable apparatus to the fixing not firm corresponding measure of having taked of son fan latch of double-leaf anti-theft door at doorframe fan latch fixed hole position, and are all inconvenient in production and use procedure, and the outward appearance of impact.Therefore, developing a kind of security door latch, to solve double-leaf anti-theft door fan fixing not firm, neither affects the problem that outward appearance again can handled easily, has been that the technical barrier that solves is badly in need of in security door producer, and product emerges but not yet have so far preferably.
Summary of the invention
The firmness that has the security door latch is relatively poor in order to overcome, the deficiency of troublesome poeration, and the utility model provides the security door latch of good, the easy to operate band gap compensate function of a kind of firmness.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of security door latch of band gap compensate function, comprise latch key and holder, described latch key bottom is installed on the described holder, described holder can slide up and down to be sleeved in the support bracket fastened teeth groove, stroke limit spare is installed in the described support bracket fastened teeth groove, the insertion doorframe end of described latch key has notch and blind hole from top to bottom, mounting spring in the described blind hole, installation activity skewback in the described notch, and described movable skewback extends radially out described latch key, the upper end of described movable skewback is hinged with the spacer pin that is used for the movable stroke of restraint skewback, described spacer pin is positioned at the top of the insertion doorframe end of described latch key, and the upper end of described spring withstands on the bottom of movable skewback.
The beneficial effects of the utility model are mainly manifested in: firmness is good, easy to operate.
Description of drawings
Fig. 1 is the structural representation of the security door latch of band gap compensate function.
Fig. 2 is the lateral view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1～Fig. 3, a kind of security door latch of band gap compensate function, comprise latch key 2 and holder 5, described latch key 2 bottoms are installed on the described holder 5, described holder 5 can slide up and down to be sleeved in the teeth groove of fixed support 3, stroke limit spare 4 is installed in the teeth groove of described fixed support 3, the insertion doorframe end of described latch key has notch and blind hole from top to bottom, mounting spring 7 in the described blind hole, installation activity skewback 6 in the described notch, and described movable skewback 6 extends radially out described latch key, the upper end of described movable skewback 6 is hinged with the spacer pin 8 that is used for the movable stroke of restraint skewback, described spacer pin 8 is positioned at the top of the insertion doorframe end of described latch key, and the upper end of described spring 7 withstands on the bottom of movable skewback.
In the present embodiment, described latch key 2 is by key, form with movable skewback 6, spring 7 and spacer pin 8.Latch key 2 and latch key holder 5 position in the teeth groove of fixed support 3 is movable, and by 4 controls of stroke limit spare.
The insertion doorframe end of described latch key 2 is provided with movable skewback 6, spring 7, and described skewback 6, spring 7 are installed in latch key 2 inside, and at the limit spacer pin 8 of activity skewback 6 movable strokes processed of the insertion doorframe end of latch key 2.
Claims (1)
1. the security door latch of a band gap compensate function, comprise latch key and holder, described latch key bottom is installed on the described holder, it is characterized in that: described holder can slide up and down to be sleeved in the support bracket fastened teeth groove, stroke limit spare is installed in the described support bracket fastened teeth groove, the insertion doorframe end of described latch key has notch and blind hole from top to bottom, mounting spring in the described blind hole, installation activity skewback in the described notch, and described movable skewback extends radially out described latch key, the upper end of described movable skewback is hinged with the spacer pin that is used for the movable stroke of restraint skewback, described spacer pin is positioned at the top of the insertion doorframe end of described latch key, and the upper end of described spring withstands on the bottom of movable skewback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358126 CN202831905U (en) | 2012-07-17 | 2012-07-17 | Anti-theft door bolt with clearance compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358126 CN202831905U (en) | 2012-07-17 | 2012-07-17 | Anti-theft door bolt with clearance compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202831905U true CN202831905U (en) | 2013-03-27 |
Family
ID=47943642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220358126 Expired - Fee Related CN202831905U (en) | 2012-07-17 | 2012-07-17 | Anti-theft door bolt with clearance compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202831905U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401333A (en) * | 2016-10-19 | 2017-02-15 | 王力安防产品有限公司 | Lock pin mechanism used for door/window sash top and bottom rods and mother-child door |
| CN106812397A (en) * | 2017-02-16 | 2017-06-09 | 王力安防科技股份有限公司 | A kind of dust-proof latch with clearance compensation function |
| CN109322565A (en) * | 2018-09-19 | 2019-02-12 | 贵州航天天马机电科技有限公司 | A kind of cabinet self-adapting locking mechanism |
-
2012
- 2012-07-17 CN CN 201220358126 patent/CN202831905U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401333A (en) * | 2016-10-19 | 2017-02-15 | 王力安防产品有限公司 | Lock pin mechanism used for door/window sash top and bottom rods and mother-child door |
| CN106401333B (en) * | 2016-10-19 | 2018-06-01 | 王力安防科技股份有限公司 | For the latch gear and big and small door of door and window fan universe rod |
| CN106812397A (en) * | 2017-02-16 | 2017-06-09 | 王力安防科技股份有限公司 | A kind of dust-proof latch with clearance compensation function |
| CN109322565A (en) * | 2018-09-19 | 2019-02-12 | 贵州航天天马机电科技有限公司 | A kind of cabinet self-adapting locking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20150717 |
|
| EXPY | Termination of patent right or utility model |