CN2254935Y - Anti-theft safety door lock - Google Patents
Anti-theft safety door lock Download PDFInfo
- Publication number
- CN2254935Y CN2254935Y CN 96231251 CN96231251U CN2254935Y CN 2254935 Y CN2254935 Y CN 2254935Y CN 96231251 CN96231251 CN 96231251 CN 96231251 U CN96231251 U CN 96231251U CN 2254935 Y CN2254935 Y CN 2254935Y
- Authority
- CN
- China
- Prior art keywords
- dead bolt
- bar
- housing
- driving lever
- gear
- 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
Links
- 210000000078 claw Anatomy 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 10
- 238000000465 moulding Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model relates to a theftproof safety door lock, its spring bolt inclined plane end rear portion increases one section cuboid, they are a whole, correspondingly spring bolt cover inner chamber on the door frame increases one section, there is one section catch bar in spring bolt slurcam department backward at spring bolt pole rear end, the rear portion is equipped with the locking device who comprises axle, gear, driving lever, jack catch, return spring and locking lever to catch bar one side in the casing for can control the length of stretching out the casing of spring bolt through locking device when the catch bar removes.
Description
The utility model relates to the used door lock of a kind of family and unit, particularly a kind of anti-theft security door lock.
Existing door lock, its dead bolt end is the inclined-plane, after door lock locked, the dead bolt inclined-plane entered in the dead bolt cover of doorframe correspondence position.Though this lock is cheap, it is convenient to open, and its security performance extreme difference only need utilize the minimum slit between the crack between a door and its frame, can insert the slit with door-lock opening with the thin soft sheet (as identity card, X-ray sheet etc.) of moulding.For addressing this problem, theftproof lock has also appearred in the market, though this theftproof lock has improved anti-theft effect well, but its complex structure, the cost height, and also the pass is opened also very inconvenient, close the door all needs key is inserted lockhole again at every turn, and counter-rotating just can reach safety effect several times.Otherwise it is then the same with the common lock effect.Under most situation, people dislike trouble, and generally all are to close promptly to have left to the doorstep, and safety lock does not play safety effect.
The purpose of this utility model is exactly in order to address the above problem, and provides a kind of both simply inexpensive, easy to use, the anti-theft security door lock that has fine security performance again.
Technical solution of the present utility model:
A kind of anti-theft security door lock, it includes housing (1), lock core (2), dead bolt (3) and dead bolt bar (4), two dead bolt bars (4) middle part is connected with bolt plate (5), and bolt plate (5) is against the interior correspondence position of housing (1) and connects on the clamp (6) that, respectively be set with a spring (7) being positioned on the position between dead bolt (3) and the bolt plate (5) of two dead bolt bars (4), two dead bolt bar (4) rear ends all are connected with dead bolt slurcam (8), and two dead bolt slurcams (8) are positioned at lock core (2) and connect arc plectrum (9) rear side of going out, and it is characterized in that:
The beveled end rear portion of a, dead bolt (3) increases by one section cuboid, and they are an integral body, and correspondingly the dead bolt cover inner chamber on the doorframe increases by one section;
B, locate to be connected with backward one section catch bar (10) at the dead bolt slurcam (8) of dead bolt bar (a 4) rear end, corresponding catch bar (10) one sides in rear portion are provided with the locking device of being made up of axle (11), gear (12), driving lever (13), claw (14), return spring (15) and securing rod (16) in housing (1), make the length of stretching out housing (1) that can control dead bolt (3) when catch bar (10) is mobile by locking device.
The utility model is simple in structure, and is with low cost, and dependable performance can be closed evolution just as common lock, again can be safe and reliable as theftproof lock.Novel having avoided fully of this reality shut behind the door, also need take out key once more and insert the shortcoming that the lockhole counter-rotating could be insured several times, and also having overcome common lock fully can mould the shortcoming that sheet is opened easily with soft, and effect is very good.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the side view of locking device among Fig. 1;
Fig. 3 is the back elevation of the utility model locking device middle gear.
As Fig. 1-3, the axle of the utility model locking device (11) is arranged on the housing (1), and pass from the through hole of driving lever (13) bottom, axle (11) is provided with return spring (15), these spring (15) one ends are against on the driving lever (13), driving lever (13) is positioned at dead bolt bar (4) rear end and connects catch bar (10) rear side of going out, and near catch bar (10), gear (12) is installed on the axle (11), claw (14) one ends are enclosed within on the driving lever (13), the other end is hinged by connecting the posting (18) that on steel wire (17) and driving lever (13) correspondence position, and each draw-in groove (19) on the blade tooth of claw (14) and gear (12) back side arc projecting surface connects for motion, also be hinged with securing rod (16) at housing (1) rear portion, securing rod (16) is L shaped bar, the grab (20) of its cross bar front end is near the dead bolt slurcam (8) of dead bolt bar (4) rear end, its straight-bar bottom is provided with teeth groove (21), be used for increasing the resistance of taking turns between cog with gear (12), and be provided with top spring (22) between this straight-bar bottom and housing (1) the rear end inner edge.
The course of work of the present utility model is as follows, when inserting lock core (2) with key, the user rotates when unblanking, the arc plectrum (9) of its lock core (2) also rotates, promoting dead bolt slurcam (8) moves backward, because dead bolt slurcam (8) is an integral body with dead bolt bar (4) and catch bar (10), then move behind one side dead bolt bar (4) the drive dead bolt (3) the dead bolt cover from doorframe, this moment, then spring (7) was compressed because bolt plate (5) is against on the clamp (6).Its termination promotion driving lever (13) clockwise rotates when moving behind the catch bar (10) on the other hand, driving lever (13) drives claw (14) again and does to rotate in the same way, claw (14) its blade tooth when rotating just in time snaps in the draw-in groove (19) of gear (12) back side correspondence position, and driven gear (12) rotates.Driving lever (13) whenever rotates backward and once just is back to original position under the effect of return spring (15), gets ready for rotate next time.Equally, after the every handsetting gear of claw (14) (12) rotated, its blade tooth was also thrown off draw-in groove (19) and is back to original position, for handsetting gear is next time got ready.When gear (12) rotates, its gear teeth just promote the straight bar part of securing rod (16), make its compression top spring (22) and mobile backward, so according to lever principle, the cross bar of securing rod (16) is just to bottom offset, this moment is owing to move behind the dead bolt bar (4), its dead bolt slurcam (8) has been positioned at the rear portion of securing rod (16) front end, the grab (20) of its front end blocked dead bolt slurcam (8) when then the cross bar of securing rod (16) moved down, the cuboid of dead bolt (3) rear portion increase just in time is positioned at housing (1) like this, has only the position, inclined-plane of dead bolt (3) front end to be exposed at outside the housing (1).When being the utility model unlatching, dead bolt (3) all enters in the housing (1) earlier, door is opened, and the front end chamfered portion of dead bolt (3) exposes under spring (7) effect then, and its rear portion cuboid is positioned at housing (1) owing to the locked bar of dead bolt slurcam (8) (16) blocks.Teeth groove (21) on the securing rod (16) is to open the door when rotateing in place at gear (12), is used to block the gear teeth of the correspondence position of gear (12), prevent gear (12) with the return of driving lever (13) toward back rotation.At closing time, only need door is advanced on the tape splicing to get final product, the anterior beveled end of dead bolt this moment (3) is run into the dead bolt cover on the doorframe earlier, by the whole withdrawal earlier of dead bolt (3) housing (1), in this withdrawal process, dead bolt bar (4) promotes driving lever (13) backward by catch bar (10) again, driving lever (13) is rotated, driving lever (13) makes gear (12) rotate again by claw (14), so just make on the securing rod (16) teeth groove (21) gradually out-of-gear (12) the gear teeth and be positioned between corresponding two gear teeth of gear (12), so the straight-bar of securing rod (16) moves forward under spring (22) restoring force effect, the cross bar of securing rod (16) is lifted around pin joint, the grab (20) that is its cross bar front end unclamps dead bolt slurcam (8), then the anterior beveled end of dead bolt (3) is protruding under the restoring force effect of spring (7) together with the cuboid that the rear portion increases, and all stretches in the dead bolt cover on the doorframe.The utility model is just closed automatically and is finished like this, reaches the purpose of safe antitheft.Promptly use this moment softly when moulding sheet and inserting crack between a door and its frame, also can only touch on the cuboid that dead bolt (3) rear portion increases, and can't insert the anterior beveled end of dead bolt (3) again, thereby door can't be opened.So making the utility model need not insert key counter-rotating closes the door and just can reach the effect of theftproof lock.
Claims (2)
1, a kind of anti-theft security door lock, it includes housing (1), lock core (2), dead bolt (3) and dead bolt bar (4), two dead bolt bars (4) middle part is connected with bolt plate (5), and bolt plate (5) is against the interior correspondence position of housing (1) and connects on the clamp (6) that, respectively be set with a spring (7) being positioned on the position between dead bolt (3) and the bolt plate (5) of two dead bolt bars (4), two dead bolt bar (4) rear ends all are connected with dead bolt slurcam (8), and two dead bolt slurcams (8) are positioned at lock core (2) and connect arc plectrum (9) rear side of going out, and it is characterized in that:
The beveled end rear portion of a, dead bolt (3) increases by one section cuboid, and they are an integral body, and correspondingly the dead bolt cover inner chamber on the doorframe increases by one section;
B, locate to be connected with backward one section catch bar (10) at the dead bolt slurcam (8) of dead bolt bar (a 4) rear end, corresponding catch bar (10) one sides in rear portion are provided with the locking device of being made up of axle (11), gear (12), driving lever (13), claw (14), return spring (15) and securing rod (16) in housing (1), make the length of stretching out housing (1) that can control dead bolt (3) when catch bar (10) is mobile by locking device.
2, by the described anti-theft security door lock of claim 1, the axle (11) that it is characterized in that locking device is arranged on the housing (1), and pass from the through hole of driving lever (13) bottom, axle (11) is provided with return spring (15), these spring (15) one ends are against on the driving lever (13), driving lever (13) is positioned at dead bolt bar (4) rear end and connects catch bar (10) rear side of going out, and near catch bar (10), gear (12) is installed on the axle (11), claw (14) one ends are enclosed within on the driving lever (13), the other end is hinged by connecting the posting (18) that on steel wire (17) and driving lever (13) correspondence position, and each draw-in groove (19) on the blade tooth of claw (14) and gear (12) back side arc projecting surface connects for motion, also be hinged with securing rod (16) at housing (1) rear portion, securing rod (16) is L shaped bar, the grab (20) of its cross bar front end is near the dead bolt slurcam (8) of dead bolt bar (4) rear end, its straight-bar bottom is provided with teeth groove (21), be used for increasing the resistance of taking turns between cog with gear (12), and be provided with top spring (22) between this straight-bar bottom and housing (1) the rear end inner edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96231251 CN2254935Y (en) | 1996-02-08 | 1996-02-08 | Anti-theft safety door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96231251 CN2254935Y (en) | 1996-02-08 | 1996-02-08 | Anti-theft safety door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2254935Y true CN2254935Y (en) | 1997-05-28 |
Family
ID=33908476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96231251 Expired - Fee Related CN2254935Y (en) | 1996-02-08 | 1996-02-08 | Anti-theft safety door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2254935Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929430A (en) * | 2015-05-26 | 2015-09-23 | 宁波市鄞州剑均机械科技有限公司 | a tumbler lock |
-
1996
- 1996-02-08 CN CN 96231251 patent/CN2254935Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929430A (en) * | 2015-05-26 | 2015-09-23 | 宁波市鄞州剑均机械科技有限公司 | a tumbler lock |
| CN104929430B (en) * | 2015-05-26 | 2017-06-27 | 宁波市鄞州剑均机械科技有限公司 | A kind of spring lock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201802161U (en) | Electronic anti-theft lock body with locating latch bolt | |
| CN2387218Y (en) | Auto-extending locking mechanism for spring bolt | |
| CN101037904B (en) | Multi-point door and window lock | |
| CN223202879U (en) | A magnetic door lock | |
| CN222576360U (en) | Ground hook lock structure | |
| CN220621460U (en) | Mechanical key transmission structure of glass lock | |
| CN2213219Y (en) | Safe locking device with exchangeable cipher or blind open system | |
| CN217269390U (en) | Keyless bounce lock | |
| CN2216123Y (en) | Safety theftproof lock for manhole cover | |
| CN2419339Y (en) | Automatic shockproof lock for rolling shutter door | |
| CN2156269Y (en) | Multi-function safety rob-proof door | |
| CN2207428Y (en) | Safe | |
| CN2154323Y (en) | Anti-theft wall-type safe | |
| CN2505565Y (en) | Automatic window lock capable of double-face opening | |
| CN2367731Y (en) | Electric lock bolt of electronic safe | |
| CN2389213Y (en) | Mechanical type puzzle lock | |
| CN2166185Y (en) | Anti-prizing door lock with rotary tonge | |
| CN2381728Y (en) | Safety door lock with internal controller | |
| CN2151235Y (en) | Multifunctional safety door | |
| CN2654804Y (en) | Handle locking multifunction lock | |
| CN2319519Y (en) | Splitting multiple plunger latch anti-theft lock | |
| CN2137692Y (en) | Anti-theft door-lock | |
| CN2302319Y (en) | Window lock | |
| CN2388279Y (en) | Mechanical universal handle door lock | |
| CN2380654Y (en) | Cipher-free concealed safe |
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 |