CN110145183B - Door lock structure with expansion type lock tongue - Google Patents
Door lock structure with expansion type lock tongue Download PDFInfo
- Publication number
- CN110145183B CN110145183B CN201910525778.7A CN201910525778A CN110145183B CN 110145183 B CN110145183 B CN 110145183B CN 201910525778 A CN201910525778 A CN 201910525778A CN 110145183 B CN110145183 B CN 110145183B
- Authority
- CN
- China
- Prior art keywords
- expansion
- lock tongue
- sliding
- slide rod
- pin
- 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.)
- Active
Links
- 210000002105 tongue Anatomy 0.000 claims abstract description 87
- 230000008602 contraction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention 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
Abstract
The invention provides a door lock structure with an expansion type lock tongue, which comprises a lock tongue linkage assembly and a lock tongue slot, wherein the lock tongue linkage assembly comprises a handle linkage part, a lock tongue plate and a plurality of expansion type lock tongues, the expansion type lock tongue comprises a hollow lock tongue shell, expansion pins, a slide rod and a slide rod driving motor, the slide rod is arranged in a hollow cavity, two sides of the hollow cavity are provided with pin holes, the expansion pins are arranged in the pin holes, the slide rod driving motor is arranged at the inner side of the lock tongue plate and is in linkage with the slide rod, the bottom of the expansion pin is provided with a sliding expansion inclined plate, the slide rod is provided with a sliding groove capable of being filled with the sliding expansion inclined plate, the slide rod driving motor drives the slide rod to move, and the sliding groove on the slide rod pushes the sliding expansion inclined plate on the expansion pins to extend or retract the pin holes. After the expansion type lock tongue is locked in place, the expansion type lock tongue is clamped in the lock tongue slot at the side edge of the door frame by the expansion pin, so that the expansion type lock tongue cannot be separated from the lock tongue slot of the door frame even if the expansion type lock tongue is prized by external force, and the anti-prizing performance of the door lock is greatly improved.
Description
Technical Field
The invention relates to the technical field of anti-theft equipment, in particular to a door lock structure with an expansion type lock tongue.
Background
Security equipment such as safes, burglary-resisting doors, gun cabinets and the like is an important product used for security and burglary prevention in various industries of society. The lock bolts of safes, burglary-resisting doors and gun cabinets in the prior art mostly use direct-insertion lock bolts. The direct plug-in type lock tongue is directly connected with the door frame lock tongue slot in a plug-in type, the lock tongue is easily and directly pried, security products are damaged, and losses are caused for families, units and countries. If an expansion pin is arranged after the lock tongue is inserted into the lock tongue slot, the lock tongue is prevented from being separated from the lock tongue slot due to being pried, so that the difficulty of damaging the door lock by a thief is effectively increased, the time for illegally unlocking the door lock by the thief is delayed, and the anti-theft performance of security products can be effectively improved.
Disclosure of Invention
The invention aims to provide a door lock structure with an expansion type lock tongue. The expansion pin can be automatically popped out after the lock tongue of the door lock structure is inserted into the lock tongue jack, and the expansion pin is clamped in the lock tongue jack, so that the lock tongue can be effectively prevented from being pried open. The invention has the advantages of good anti-prying effect, safety, reliability and simple structure.
In order to solve the technical problems, the invention adopts the following technical scheme: a door lock structure with expansion type lock tongue, which is characterized in that: the door comprises a lock tongue linkage assembly arranged on a door body and a lock tongue slot arranged on a door frame, wherein the lock tongue linkage assembly comprises a handle linkage part arranged in the middle of the door body, a lock tongue plate arranged in the side edge of the door body and linked with the handle linkage part, and a plurality of expansion lock tongues arranged on the outer side of the lock tongue plate, the side edge of the door body is provided with a lock tongue hole, and the expansion lock tongue can penetrate through the lock tongue hole to be spliced with the lock tongue slot on the door frame; the expansion type spring bolt comprises a hollow spring bolt shell, an expansion pin, a slide rod and a slide rod driving motor, wherein the rear end of the hollow spring bolt shell is fixed on a spring bolt plate, a hollow cavity for accommodating the movement of the slide rod is arranged in the middle of the hollow spring bolt shell, the slide rod is arranged in the hollow cavity, pin holes are formed in two sides of the hollow cavity, the expansion pin is arranged in the pin holes, the slide rod driving motor is arranged on the inner side of the spring bolt plate and is linked with the slide rod, a sliding expansion inclined plate is arranged at the bottom of the expansion pin, a sliding groove capable of being filled with the sliding expansion inclined plate is formed in the slide rod, the slide rod driving motor drives the slide rod to move, and the sliding groove on the slide rod pushes the sliding expansion inclined plate on the expansion pin, so that the expansion pin can extend out of or retract into the pin holes.
As a further improvement of the technical scheme, the handle linkage part is provided with a micro switch, the micro switch is connected with the slide bar driving motor and the power supply through cables, the handle linkage part is driven by key rotation, the handle linkage part controls the micro switch, the micro switch starts the slide bar driving motor to drive the slide bar to move, and then the expansion pin is driven to extend out of or retract into the pin hole.
As a further improvement of the technical proposal, the sliding expansion sloping plate comprises a push-out sloping surface and a contraction sloping surface which are mutually parallel, wherein the contraction sloping surface is above the front part of the push-out sloping surface; the sliding rod comprises a rod body at the rear part and an end cap at the front part, the width of the end cap is larger than that of the rod body, the sliding groove is arranged between the end cap and the rod body, an end cap inclined plane corresponding to the shrinkage inclined plane of the sliding expansion inclined plate is arranged on one side of the end cap of the sliding groove, a rod body inclined plane corresponding to the push-out inclined plane of the sliding expansion inclined plate is arranged on one side of the rod body of the sliding groove, when the sliding rod moves forwards, the push-out inclined plane is pushed by the rod body inclined plane, so that the expansion pin extends outwards, and when the sliding rod moves backwards, the shrinkage inclined plane is pushed by the end cap inclined plane, so that the expansion pin contracts inwards.
As a further improvement of the technical scheme, a spring device is arranged between the front end of the sliding rod and the hollow lock tongue shell of the expansion lock tongue.
As a further improvement of the technical scheme, the height of the bolt slot is the same as that of the hollow bolt shell, and an expansion groove for accommodating the ejected expansion pin is arranged at the outer side of the bolt slot.
According to the door lock structure with the expansion type lock tongue, after the expansion type lock tongue is locked in place, the expansion type lock tongue is clamped in the lock tongue slot at the side edge of the door frame by the expansion pin, so that the expansion type lock tongue cannot be separated from the lock tongue slot of the door frame even if the expansion type lock tongue is prized by external force, and the anti-prizing performance of the door lock is greatly improved.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention when a lock bolt is opened;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic diagram of the structure of embodiment 1 of the present invention when the lock is locked;
FIG. 4 is an enlarged schematic view of FIG. 3 at B;
FIG. 5 is a schematic diagram showing the principle of installation of the expansion pin according to embodiment 1 of the present invention;
the reference numerals in the figures are: 1 a bolt slot; 2 a handle linkage component; 21 a micro switch; 3, a tongue locking plate; 4, expanding the spring bolt; 41 a hollow bolt housing; 42 expanding pins; 43 slide bar; 44 slide bar drive motor; 421 sliding expansion swash plate; 422 push out the bevel; 423 shrink the incline; 431 sliding grooves; a 432 bar; 433 end cap; 434 end cap ramp; 435 rod body inclined plane; 5, a power supply; 6 spring means; 7, expanding the groove; 100 door bodies and 101 door frames.
Detailed Description
In order to make the technical features, objects and effects of the present invention more clearly understood, the following detailed description of specific embodiments, structures and features of the present invention will be given with reference to the accompanying drawings and preferred embodiments. The drawings are, however, to be regarded as illustrative in nature and not as restrictive.
Example 1
Embodiment 1 a door lock structure with an expansion type lock tongue is applied to a safe as a specific embodiment of the invention, please refer to fig. 1-5, the door lock structure with an expansion type lock tongue comprises a lock tongue linkage assembly installed on a door body 100 and a lock tongue slot 1 arranged on a door frame 101, the lock tongue linkage assembly comprises a handle linkage part 2 installed in the middle of the door body, a lock tongue plate 3 installed in the side edge of the door body and linked with the handle linkage part, a plurality of expansion type lock tongues 4 installed outside the lock tongue plate, the side edge of the door body is provided with a lock tongue hole, and the expansion type lock tongue 4 can be inserted into the lock tongue slot 1 on the door frame through the lock tongue hole; the expansion type lock tongue 4 comprises a hollow lock tongue shell 41, an expansion pin 42, a slide rod 43 and a slide rod driving motor 44, wherein the rear end of the hollow lock tongue shell is fixed on a lock tongue plate, a hollow cavity for accommodating the movement of the slide rod is arranged in the middle of the hollow lock tongue shell, the slide rod 43 is arranged in the hollow cavity, pin holes are formed in two sides of the hollow cavity, the expansion pin 42 is arranged in the pin holes, the slide rod driving motor 44 is arranged on the inner side of the lock tongue plate and is linked with the slide rod 43, a sliding expansion inclined plate 421 is arranged at the bottom of the expansion pin 42, a sliding groove 431 capable of being filled in the sliding expansion inclined plate is formed in the slide rod, the slide rod driving motor 44 drives the slide rod 43 to move, the sliding groove 431 on the slide rod 43 pushes the sliding expansion inclined plate 421 on the expansion pin 42, and the expansion pin 42 can extend out of or retract into the pin holes. The handle linkage part 2 is provided with a micro switch 21, the micro switch 21 is connected with a slide bar driving motor 44 and a power supply 5 through cables, the handle linkage part 2 is driven by key rotation, the handle linkage part 2 controls the micro switch 21, the micro switch 21 starts the slide bar driving motor 44 to drive the slide bar 43 to move, and then the expansion pin 42 is driven to extend out of or retract into the pin hole. The sliding expansion swash plate 421 includes a push-out slope 422 and a contraction slope 423 parallel to each other, wherein the contraction slope 423 is above a front portion of the push-out slope 422; the sliding rod 43 comprises a rear rod body 432 and a front end cap 433, the width of the end cap 433 is larger than that of the rod body 432, the sliding groove 431 is positioned between the end cap 433 and the rod body 432, an end cap inclined surface 434 corresponding to the shrinkage inclined surface 423 of the sliding expansion inclined plate is arranged on one side of the end cap of the sliding groove, a rod body inclined surface 435 corresponding to the push-out inclined surface 422 of the sliding expansion inclined plate is arranged on one side of the rod body 432 of the sliding groove 431, when the sliding rod 43 moves forwards, the push-out inclined surface 422 is pushed by the rod body inclined surface 435, so that the expansion pin 42 extends outwards, and when the sliding rod 43 moves backwards, the shrinkage inclined surface 423 is pushed by the end cap inclined surface 434, so that the expansion pin 42 contracts inwards.
The spring device 6 is arranged between the front end of the sliding rod and the hollow lock tongue shell of the expansion lock tongue, so that the expansion pin 42 can be ensured to automatically retract under the condition of power failure. Or under the condition that the spring bolt is not required to expand, the height of the spring bolt slot is the same as that of the hollow spring bolt shell, and an expansion groove 7 for accommodating the ejected expansion pin is arranged outside the spring bolt slot. In simple and easy structural design, the door frame is hollow frame section bar, and the spring bolt slot can be a simple and easy trompil of door frame medial edge, and the trompil size is the same with the cavity spring bolt casing terminal surface size of expansion formula spring bolt 4, can directly utilize the section bar of door frame medial edge to carry out spacingly after the expansion round pin pops out, reaches the purpose of pick-proof.
The locking working process of this embodiment is as follows: the handle linkage part 2 is driven by key rotation, and the handle linkage part 2 drives the lock tongue plate 3; the latch plate 3 drives all the expansion type latch bolts 4 to extend outwards, the expansion type latch bolts 4 are inserted into the corresponding latch bolt slots 1, the handle linkage part further touches the micro switch 21, the micro switch 21 starts the slide bar driving motor 44, the slide bar driving motor 44 drives the slide bar 43 to move, and then the expansion pins 42 are driven to extend and clamped into the expansion slots 7; and (5) finishing the locking working process.
The unlocking working process of the embodiment is as follows: the handle linkage part 2 is driven to touch the micro switch 21 through key rotation, the micro switch 21 starts the slide bar driving motor 44, the slide bar driving motor 44 drives the slide bar 43 to move, and then the expansion pin 42 is driven to shrink so as to be separated from the expansion groove 7; then the handle linkage part 2 further drives the lock tongue plate 3; the lock tongue plate 3 drives all the expansion type lock tongues 4 to shrink inwards, and the expansion type lock tongues 4 are separated from the corresponding lock tongue slot 1, so that the unlocking working process is completed.
The foregoing is illustrative of the present invention and is not to be construed as limiting the scope of the invention. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this invention, and are intended to be within the scope of this invention.
Claims (5)
1. A door lock structure with expansion type lock tongue, which is characterized in that: the door comprises a lock tongue linkage assembly arranged on a door body and a lock tongue slot arranged on a door frame, wherein the lock tongue linkage assembly comprises a lock tongue plate arranged in the middle of the door body and linked with a handle linkage part in the side edge of the door body, and a plurality of expansion lock tongues arranged on the outer side of the lock tongue plate, and the side edge of the door body is provided with a lock tongue hole through which the expansion lock tongue can pass to be spliced with the lock tongue slot on the door frame; the expansion type spring bolt comprises a hollow spring bolt shell, an expansion pin, a slide rod and a slide rod driving motor, wherein the rear end of the hollow spring bolt shell is fixed on a spring bolt plate, a hollow cavity for accommodating the movement of the slide rod is arranged in the middle of the hollow spring bolt shell, the slide rod is arranged in the hollow cavity, pin holes are formed in two sides of the hollow cavity, the expansion pin is arranged in the pin holes, the slide rod driving motor is arranged on the inner side of the spring bolt plate and is linked with the slide rod, a sliding expansion inclined plate is arranged at the bottom of the expansion pin, a sliding groove capable of being filled with the sliding expansion inclined plate is formed in the slide rod, the slide rod driving motor drives the slide rod to move, and the sliding groove on the slide rod pushes the sliding expansion inclined plate on the expansion pin, so that the expansion pin stretches out or retracts into the pin holes.
2. The door lock structure with the expansion type lock tongue according to claim 1, wherein the handle linkage part is provided with a micro switch, the micro switch is connected with the slide bar driving motor and the power supply through a cable, the handle linkage part is driven by key rotation, the handle linkage part controls the micro switch, the micro switch starts the slide bar driving motor to drive the slide bar to move, and then the expansion pin is driven to extend out of or retract into the pin hole.
3. The door lock structure with an expanding type locking bolt according to claim 1, wherein the sliding expanding swash plate includes an ejecting slope and a contracting slope parallel to each other, wherein the contracting slope is above a front portion of the ejecting slope; the sliding rod comprises a rod body at the rear part and an end cap at the front part, the width of the end cap is larger than that of the rod body, the sliding groove is arranged between the end cap and the rod body, an end cap inclined plane corresponding to the shrinkage inclined plane of the sliding expansion inclined plate is arranged on one side of the end cap of the sliding groove, a rod body inclined plane corresponding to the push-out inclined plane of the sliding expansion inclined plate is arranged on one side of the rod body of the sliding groove, when the sliding rod moves forwards, the push-out inclined plane is pushed by the rod body inclined plane, so that the expansion pin extends outwards, and when the sliding rod moves backwards, the shrinkage inclined plane is pushed by the end cap inclined plane, so that the expansion pin contracts inwards.
4. The door lock structure with the expansion type bolt according to claim 1, wherein a spring device is arranged between the front end of the sliding rod and a hollow bolt housing of the expansion type bolt.
5. The door lock structure with the expansion type bolt according to claim 1, wherein the height of the bolt slot is the same as the height of the hollow bolt housing, and an expansion groove for accommodating the ejected expansion pin is arranged outside the bolt 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 CN110145183A (en) | 2019-08-20 |
| CN110145183B true 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) |
Families Citing this family (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110145183A (en) | 2019-08-20 |
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