CN110145183A - Door latch structure with expanding lock tongue - Google Patents
Door latch structure with expanding lock tongue Download PDFInfo
- Publication number
- CN110145183A CN110145183A CN201910525778.7A CN201910525778A CN110145183A CN 110145183 A CN110145183 A CN 110145183A CN 201910525778 A CN201910525778 A CN 201910525778A CN 110145183 A CN110145183 A CN 110145183A
- Authority
- CN
- China
- Prior art keywords
- lock tongue
- slide bar
- expansion
- expanding
- sliding
- 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.)
- Granted
Links
- 210000002105 tongue Anatomy 0.000 claims abstract description 102
- 230000008602 contraction Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
- E05B15/102—Bolts having movable elements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0075—Locks or fastenings for special use for safes, strongrooms, vaults, fire-resisting cabinets or the like
Landscapes
- Lock And Its Accessories (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
The present invention provides a kind of door latch structures with expanding lock tongue, including lock tongue linked component and lock tongue slot, the lock tongue linked component includes handle linkage part, bolt plate and multiple expanding lock tongues, the expanding lock tongue includes hollow lock tongue shell, expansion pin, slide bar, slide bar driving motor, slide bar is mounted in hollow cavity, hollow cavity two sides are equipped with pin hole, expansion pin is installed in pin hole, slide bar driving motor is mounted on the inside of bolt plate and interlocks with slide bar, expansion pin bottom is equipped with sliding expansion inclined plate, slide bar is equipped with the sliding slot that can be packed into sliding expansion inclined plate, slide bar driving motor band moving slide-bar is mobile, sliding slot on slide bar pushes the sliding in expansion pin to expand inclined plate, it can make the extended or retracted pin hole of expansion pin.The present invention expanding lock tongue locking in place after, recycle expansion pin that expanding lock tongue is stuck in the lock tongue slot of doorframe side, such expanding lock tongue agitates the lock tongue slot that can not be detached from doorframe even across external force, substantially increases the pick-proof performance of door lock.
Description
Technical field
The present invention relates to burglary-resisting installation technical fields, and in particular to a kind of door latch structure with expanding lock tongue.
Background technique
The security protections equipment such as safety cabinet, security door, arms locker is the staple product that social all trades and professions are used as safe antitheft.It is existing
The lock tongue of safety cabinet, security door, arms locker in technology uses direct insertion lock tongue mostly.This direct insertion lock tongue and doorframe lock tongue are inserted
It is direct plug connection between slot, lock tongue is easy to directly be pried open, security product is destroyed, is made to family, unit, country
At loss.If an expansion pin is arranged after lock tongue is inserted into lock tongue slot, lock tongue is prevented to be detached from lock tongue slot because of being agitated,
To effectively increase the difficulty that robber destroys door lock, postpones the time of the illegal opening door lock of robber, security product can be effectively improved
Anti-theft performance.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of door latch structures with expanding lock tongue.The door latch structure
Lock tongue insertion lock tongue jack after can automatic spring expansion pin, expansion pin, which is stuck in lock tongue jack, can effectively prevent lock tongue to be prized
It opens.The present invention has the advantages that pick-proof effect is good, safe and reliable, structure is simple.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of door lock knot with expanding lock tongue
Structure, it is characterised in that: including the lock tongue linked component being mounted in door body, the lock tongue slot being arranged on doorframe, the lock tongue
Linked component includes being mounted on handle linkage part in the middle part of door body, being mounted in door body side and interlock with handle linkage part
Bolt plate, the multiple expanding lock tongues being mounted on the outside of bolt plate, door body side are equipped with dead bolt hole, and expanding lock tongue may pass through lock
Lock tongue slot grafting in tongue apertures and doorframe；The expanding lock tongue includes hollow lock tongue shell, expansion pin, slide bar, slide bar drive
Dynamic motor, the hollow lock tongue housing rear end are fixed in bolt plate, and hollow lock tongue housing central section, which is equipped with, accommodates slide bar movement
Hollow cavity, slide bar are mounted in hollow cavity, and hollow cavity two sides are equipped with pin hole, and expansion pin, slide bar driving are installed in pin hole
Motor is mounted on the inside of bolt plate and interlocks with slide bar, and expansion pin bottom is equipped with sliding expansion inclined plate, and slide bar, which is equipped with, can be packed into cunning
The sliding slot of dynamic expansion inclined plate, slide bar driving motor band moving slide-bar is mobile, and the sliding slot on slide bar pushes the sliding expansion in expansion pin
Inclined plate can make the extended or retracted pin hole of expansion pin.
As the further improvement of the technical program, the handle linkage part be equipped with microswitch, microswitch with
Slide bar driving motor and power supply are connected by cable, drive handle linkage part, handle linkage part control by key turns
Microswitch processed, it is mobile that microswitch starts slide bar driving motor band moving slide-bar, and then drives the extended or retracted pin hole of expansion pin.
As the further improvement of the technical program, the sliding expansion inclined plate includes the release inclined-plane being parallel to each other and receipts
Contracting inclined-plane, wherein shrinking inclined-plane in the front upper for releasing inclined-plane；The slide bar includes the body of rod at rear portion and the end cap of front, end
Cap width is greater than the body of rod, and for sliding slot between end cap and the body of rod, the end cap side of sliding slot is equipped with the contraction with sliding expansion inclined plate
The corresponding end cap inclined-plane in inclined-plane, the body of rod side of sliding slot are equipped with body of rod inclined-plane corresponding with the sliding expansion release inclined-plane of inclined plate,
When slide bar moves forward, body of rod slope driving releases inclined-plane, keeps expansion pin protruding, when slide bar moves backward, end cap inclined-plane
It pushes and shrinks inclined-plane, make expansion pin to contract.
As the further improvement of the technical program, between the slide bar front end and the hollow lock tongue shell of expanding lock tongue
Equipped with spring arrangement.
As the further improvement of the technical program, the height phase of the height of the lock tongue slot and hollow lock tongue shell
Together, the expansion slot for accommodating the expansion pin of pop-up is equipped on the outside of lock tongue slot.
Door latch structure of the present invention with expanding lock tongue, expanding lock tongue locking in place after, recycle expansion
Expanding lock tongue is stuck in the lock tongue slot of doorframe side by pin, and such expanding lock tongue is agitated even across external force and can not be detached from
The lock tongue slot of doorframe substantially increases the pick-proof performance of door lock.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the embodiment of the present invention 1 when locking bolt is opened；
Fig. 2 is enlarged diagram at the A of Fig. 1；
Fig. 3 is structural schematic diagram of the embodiment of the present invention 1 in locking bolt locking；
Fig. 4 is enlarged diagram at the B of Fig. 3；
Fig. 5 is that the expansion pin of the embodiment of the present invention 1 installs schematic illustration；
Figure label are as follows: 1 lock tongue slot；2 handle linkage parts；21 microswitches；3 bolt plates；4 expanding lock tongues；41 is hollow
Lock tongue shell；42 expansion pins；43 slide bars；44 slide bar driving motors；421 sliding expansion inclined plates；422 release inclined-plane；423 shrink tiltedly
Face；431 sliding slots；432 bodies of rod；433 end caps；434 end cap inclined-planes；435 body of rod inclined-planes；5 power supplys；6 spring arrangements；7 expansion slots；
100 door body, 101 doorframes.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, below in conjunction with attached drawing and preferably
Embodiment, to a specific embodiment of the invention, structure, feature, detailed description is as follows.However institute's attached drawing be only to provide with reference to
Illustrate to use, be not intended to limit the present invention.
Specific embodiment 1
Embodiment 1 using a kind of door latch structure with expanding lock tongue of the present invention apply on safety cabinet as specific embodiment
It is described in detail, please refers to shown in Fig. 1-5, a kind of door latch structure with expanding lock tongue, including it is mounted on door body 100
On lock tongue linked component, the lock tongue slot 1 that is arranged on doorframe 101, the lock tongue linked component includes being mounted in door body
The handle linkage part 2 in portion is mounted on the bolt plate 3 interlocked in door body side with handle linkage part, is mounted on outside bolt plate
Multiple expanding lock tongues 4 of side, door body side are equipped with dead bolt hole, and expanding lock tongue 4 may pass through the lock tongue on dead bolt hole and doorframe
1 grafting of slot；The expanding lock tongue 4 includes hollow lock tongue shell 41, expansion pin 42, slide bar 43, slide bar driving motor 44, institute
Hollow lock tongue housing rear end to be stated to be fixed in bolt plate, hollow lock tongue housing central section, which is equipped with, accommodates the mobile hollow cavity of slide bar,
Slide bar 43 is mounted in hollow cavity, and hollow cavity two sides are equipped with pin hole, installs expansion pin 42, slide bar driving motor 44 in pin hole
It is mounted on the inside of bolt plate and is interlocked with slide bar 43,42 bottom of expansion pin is equipped with sliding expansion inclined plate 421, and slide bar is equipped with and can be packed into
The sliding slot 431 of sliding expansion inclined plate, slide bar driving motor 44 is mobile with moving slide-bar 43, and the sliding slot 431 on slide bar 43 pushes expansion
Inclined plate 421 is expanded in sliding on pin 42, can make the extended or retracted pin hole of expansion pin 42.The handle linkage part 2 is equipped with
Microswitch 21, microswitch 21 are connect with slide bar driving motor 44 and power supply 5 by cable, drive handle by key turns
Hand linkage part 2, handle linkage part 2 control microswitch 21, and microswitch 21 starts slide bar driving motor 44 with moving slide-bar
43 is mobile, and then drives the extended or retracted pin hole of expansion pin 42.The sliding expansion inclined plate 421 is oblique including the release being parallel to each other
Face 422 and contraction inclined-plane 423, wherein shrinking inclined-plane 423 in the front upper for releasing inclined-plane 422；The slide bar 43 includes rear portion
The body of rod 432 and front end cap 433,433 width of end cap is greater than the body of rod 432, sliding slot 431 be located at end cap 433 and the body of rod 432 it
Between, the end cap side of sliding slot is equipped with end cap inclined-plane 434 corresponding with the sliding expansion contraction inclined-plane 423 of inclined plate, the bar of sliding slot 431
432 side of body is equipped with body of rod inclined-plane 435 corresponding with the sliding expansion release inclined-plane 422 of inclined plate, when slide bar 43 moves forward, bar
Body inclined-plane 435, which pushes, releases inclined-plane 422, keeps expansion pin 42 protruding, and when slide bar 43 moves backward, end cap inclined-plane 434 is pushed
Inclined-plane 423 is shunk, makes expansion pin 42 to contract.
Spring arrangement 6 is equipped between the slide bar front end and the hollow lock tongue shell of expanding lock tongue, it is ensured that disconnected
Expansion pin 42 can be shunk automatically in the case where electricity.Or in the case where not needing lock tongue expansion, make the lock tongue slot
Height is identical as the height of hollow lock tongue shell, and the expansion slot 7 for accommodating the expansion pin of pop-up is equipped on the outside of lock tongue slot.Simple
In structure design, doorframe is hollow frame profile, and lock tongue slot can be a simple aperture of doorframe inner side edge, aperture size
It is identical as the hollow lock tongue shell end face size of expanding lock tongue 4, the type of doorframe inner edge can be directly utilized after expansion pin pop-up
Material is limited, and achievees the purpose that pick-proof.
The locking course of work of the present embodiment is as follows: driving handle linkage part 2, handle linkage part by key turns
2 drive bolt plate 3；Bolt plate 3 drives all expanding lock tongues 4 protruding, and expanding lock tongue 4 is inserted into corresponding lock tongue and inserts
Slot 1, handle linkage part further touch microswitch 21, and microswitch 21 starts slide bar driving motor 44, slide bar driving
Motor 44 is mobile with moving slide-bar 43, and then expansion pin 42 is driven to stretch out, and is caught in expansion slot 7；Complete the locking course of work.
The unlocking course of work of the present embodiment is as follows: driving handle linkage part 2 to touch microswitch by key turns
21, microswitch 21 starts slide bar driving motor 44, and slide bar driving motor 44 is mobile with moving slide-bar 43, and then drives expansion pin 42
It shrinks, is detached from expansion slot 7；Then handle linkage part 2 is further driven to bolt plate 3；Bolt plate 3 drives all expandings to lock
For tongue 4 to contract, expanding lock tongue 4 is detached from corresponding lock tongue slot 1, completes the unlocking course of work.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, under the premise of not departing from design and the principle of the present invention made by equivalent changes and modifications, should all
Belong to the scope of protection of the invention.
Claims (5)
1. a kind of door latch structure with expanding lock tongue, it is characterised in that: including be mounted in door body lock tongue linked component,
Lock tongue slot on doorframe is set, the lock tongue linked component include be mounted on it is in the middle part of door body, be mounted in door body side
The bolt plate interlocked with handle linkage part, the multiple expanding lock tongues being mounted on the outside of bolt plate, door body side are equipped with lock tongue
Hole, expanding lock tongue may pass through the lock tongue slot grafting on dead bolt hole and doorframe；The expanding lock tongue includes hollow lock tongue shell
Body, expansion pin, slide bar, slide bar driving motor, the hollow lock tongue housing rear end is fixed in bolt plate, in hollow lock tongue shell
Portion, which is equipped with, accommodates the mobile hollow cavity of slide bar, and slide bar is mounted in hollow cavity, and hollow cavity two sides are equipped with pin hole, in pin hole
Expansion pin is installed, slide bar driving motor is mounted on the inside of bolt plate and interlocks with slide bar, and expansion pin bottom is equipped with sliding expansion inclined plate,
Slide bar is equipped with the sliding slot that can be packed into sliding expansion inclined plate, and slide bar driving motor band moving slide-bar is mobile, and the sliding slot on slide bar pushes
Inclined plate is expanded in sliding in expansion pin, can make the extended or retracted pin hole of expansion pin.
2. a kind of door latch structure with expanding lock tongue according to claim 1, which is characterized in that the handle interlocks
Component is equipped with microswitch, and microswitch is connect with slide bar driving motor and power supply by cable, passes through key turns band
Dynamic handle linkage part, handle linkage part control microswitch, and microswitch starts the band moving slide-bar movement of slide bar driving motor,
And then drive the extended or retracted pin hole of expansion pin.
3. a kind of door latch structure with expanding lock tongue according to claim 1, which is characterized in that the sliding expansion
Inclined plate includes the release inclined-plane being parallel to each other and shrinks inclined-plane, wherein shrinking inclined-plane in the front upper for releasing inclined-plane；The cunning
Bar includes the body of rod at rear portion and the end cap of front, and end cap width is greater than the body of rod, and sliding slot is between end cap and the body of rod, the end of sliding slot
Cap side is equipped with end cap inclined-plane corresponding with the sliding expansion contraction inclined-plane of inclined plate, and the body of rod side of sliding slot is equipped with to be expanded with sliding
The corresponding body of rod inclined-plane in the release inclined-plane of inclined plate, when slide bar moves forward, body of rod slope driving releases inclined-plane, keeps expansion pin outside
It stretches out, when slide bar moves backward, end cap slope driving shrinks inclined-plane, makes expansion pin to contract.
4. a kind of door latch structure with expanding lock tongue according to claim 1, which is characterized in that the slide bar front end
Spring arrangement is equipped between the hollow lock tongue shell of expanding lock tongue.
5. a kind of door latch structure with expanding lock tongue according to claim 1, which is characterized in that the lock tongue slot
Height it is identical as the height of hollow lock tongue shell, the expansion slot for accommodating the expansion pin of pop-up is equipped on the outside of lock tongue slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525778.7A CN110145183B (en) | 2019-06-18 | 2019-06-18 | Door lock structure with expansion type lock tongue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525778.7A CN110145183B (en) | 2019-06-18 | 2019-06-18 | Door lock structure with expansion type lock tongue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110145183A true CN110145183A (en) | 2019-08-20 |
| CN110145183B CN110145183B (en) | 2024-01-16 |
Family
ID=67591751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910525778.7A Active CN110145183B (en) | 2019-06-18 | 2019-06-18 | Door lock structure with expansion type lock tongue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145183B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645646A (en) * | 2020-12-20 | 2022-06-21 | 刘爽 | Steam box |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2318349Y (en) * | 1997-04-25 | 1999-05-12 | 李保尔 | Lock with hook spring-bolt |
| EP1243729A2 (en) * | 2001-03-20 | 2002-09-25 | Roto Frank Eisenwarenfabrik Aktiengesellschaft | Drive-bar actuated locking device for a window, a door or similar |
| CN101059050A (en) * | 2007-05-30 | 2007-10-24 | 宁波永发集团有限公司 | Pick-proof door bolt structure |
| CN102011522A (en) * | 2010-11-18 | 2011-04-13 | 广州特慧光机电科技有限公司 | Electric push rod pliers type lock |
| JP2011080291A (en) * | 2009-10-08 | 2011-04-21 | Miwa Lock Co Ltd | Dead bolt structure |
| CN105927058A (en) * | 2016-06-02 | 2016-09-07 | 王力安防产品有限公司 | Vice lock provided with hook lock tongue |
| CN207228790U (en) * | 2017-09-13 | 2018-04-13 | 朱锦棠 | A kind of multi-function door lock using double hook structure |
| CN210239392U (en) * | 2019-06-18 | 2020-04-03 | 河北虎牌集团奥笛柜业有限公司 | Door lock structure with expanding bolt |
-
2019
- 2019-06-18 CN CN201910525778.7A patent/CN110145183B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2318349Y (en) * | 1997-04-25 | 1999-05-12 | 李保尔 | Lock with hook spring-bolt |
| EP1243729A2 (en) * | 2001-03-20 | 2002-09-25 | Roto Frank Eisenwarenfabrik Aktiengesellschaft | Drive-bar actuated locking device for a window, a door or similar |
| CN101059050A (en) * | 2007-05-30 | 2007-10-24 | 宁波永发集团有限公司 | Pick-proof door bolt structure |
| JP2011080291A (en) * | 2009-10-08 | 2011-04-21 | Miwa Lock Co Ltd | Dead bolt structure |
| CN102011522A (en) * | 2010-11-18 | 2011-04-13 | 广州特慧光机电科技有限公司 | Electric push rod pliers type lock |
| CN105927058A (en) * | 2016-06-02 | 2016-09-07 | 王力安防产品有限公司 | Vice lock provided with hook lock tongue |
| CN207228790U (en) * | 2017-09-13 | 2018-04-13 | 朱锦棠 | A kind of multi-function door lock using double hook structure |
| CN210239392U (en) * | 2019-06-18 | 2020-04-03 | 河北虎牌集团奥笛柜业有限公司 | Door lock structure with expanding bolt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645646A (en) * | 2020-12-20 | 2022-06-21 | 刘爽 | Steam box |
| CN114645646B (en) * | 2020-12-20 | 2024-05-24 | 广东巧能机电科技有限公司 | steam box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110145183B (en) | 2024-01-16 |
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