CN205935994U - Can realize self -locking function's safe door latch structure - Google Patents
Can realize self -locking function's safe door latch structure Download PDFInfo
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- CN205935994U CN205935994U CN201620823778.7U CN201620823778U CN205935994U CN 205935994 U CN205935994 U CN 205935994U CN 201620823778 U CN201620823778 U CN 201620823778U CN 205935994 U CN205935994 U CN 205935994U
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- door
- push rod
- plate
- jam plate
- elastic component
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Abstract
The utility model provides a can realize self -locking function's safe door latch structure, includes door plant, door bolt head, slide, first elastic component, push rod, second elastic component. Under condition of open door, the jam plate deflects and makes the latch hook detain under the effect of first elastic component breach trend, under closed -door state, the rear end of push rod is supported and is leaned on in the door frame side, forces the push rod antedisplacement and makes the front end of push rod promote the jam plate, makes the latch hook on the jam plate break away from the breach. Under the cooperation of above -mentioned structure, this door latch structure is fastened with a bolt or latch firstly built -in under condition of open door, and under closed -door state, the door bolt head of insurance chamber door can stretch out to be decided with door lock. All place whole door latch structure in door internal portion through insurance chamber door back plate, the push rod can stretch out a body frame, lies in men tiyu safe junction, and effectual preventing is taken place because of accidentally pressing the circumstances that results in the forfeiture of door latch self -locking function. Can there be the possibility that the door latch head directly impactes the door frame when closing the door in the event, effectively avoids the door latch butt to hit the damage that the door frame caused door frame disjunction gate door bolt head and inner structure.
Description
Technical field
The present invention relates to a kind of latch locking structure that can be applicable on various condoms, strong-room and home-use antitheft door,
More particularly, to a kind of latch locking structure that can prevent bolt knocking door case.
Background technology
With the continuous improvement of people's living standard, various security doors have more and more applied to the daily life of people
Among work.Security door can be applicable on various condoms, various strong-room and home-use antitheft door again, to deposit valuables
Product, existing safety door structure approximately as：Main include doorframe, the door body being articulated on doorframe and be arranged on door and doorframe it
Between bolt structure.Bolt structure include being located at a back side can relatively transverse sliding bolt, and be arranged on the prevention door on door
The lock construction of door bolt horizontal sliding, doorframe is provided with the corresponding latch aperture with bolt, and wherein lock construction species is a lot, can adopt existing
Various structures, during locking, bolt inserts in the latch aperture on doorframe, then is locked bolt with lock construction, is not opened by others with reaching
The purpose opening, bolt is typically cylindrical, and latch aperture is then the cylindrical hole matching with bolt.
It is known that the operation of general latch locking structure, it is so that bolt is given up the throne in operation handle at closing time or turning handle, then will
Door body is closed, and then operation handle or turning handle stretch out bolt outside door body again, the latch aperture cooperation with doorframe, last operation lock knot
Structure, the slide plate being connected with bolt is locked.In locking mechanism, the turnover of bolt is can only be passively controlled, so when door is opened
Afterwards, bolt is likely to still keep overhanging state, but there is a situation in which, after the door is opened, bolt still stretches out, people
Do not note, directly firmly close the door, at this moment because bolt is overhanging, at closing time bolt can direct knocking door case, cause doorframe outward appearance quilt
Destroy, impact is attractive in appearance.Simultaneously it is also possible to cause the damage of bolt structure, produce the situation of latch, the use of impact people.
Chinese invention patent as Patent No. ZL200810163019.2 (notification number is CN101424144B)《Prevent
The latch locking structure of bolt knocking door case》Disclose such a door bolt head at arrange baffle plate, be provided with below baffle plate spring knot
Structure, this structure prevent to some extent bolt knocking door case, but this structure is exposed at outside doorframe, if user is not
Careful be pressed into this structure, bolt also can expose latch aperture, thus bolt knocking door case can not effectively be prevented.
Content of the invention
Technical problem to be solved in the utility model is to provide one kind to enable certainly for above-mentioned state of the art
The condom bolt structure of lock function, this bolt structure guarantees that latch head is still built-in under door opening state, and is closing door state
Under, can ensure that latch head can stretch out and doorframe locking, meanwhile, the self-locking structure entirely realizing auto-lock function is all in door body again
Portion, so as to effectively prevent because accidentally pressing the situation generation leading to bolt auto-lock function to be lost.
This utility model solves the technical scheme that adopted of above-mentioned technical problem：A kind of insurance enabling auto-lock function
Case bolt structure, including door-plate, door bolt head and slide plate, described door bolt head is connected to the end of slide plate, and described slide plate constrains in the door-plate back of the body
Face and sliding before and after energy；It is characterized in that：Also include
Located at the breach of slide plate sidepiece,
Jam plate, rotates located at the back side of door-plate, and jam plate has the latch hook with the cooperation of described breach；
First elastic component, acts on jam plate；
Push rod, constrains in the sliding before and after energy of the door-plate back side, the front end of push rod in order to coordinate with jam plate, the rear end of push rod
In order to coordinate with doorframe side,
Second elastic component, acts on push rod and so that push rod is moved after keeping；
In the state of moving and open the door after slide plate, described jam plate deflects under the first elastic component acts on and makes latch hook buckle into institute
State breach trend；
In the state of closing the door, the rear end of described push rod is resisted against doorframe side, before forcing pushrod advances and making push rod
End promotes jam plate, makes the latch hook on jam plate depart from described breach.
As improvement, described jam plate is L-shaped, comprises horizontal part and vertical portion, formation one protruding upward on described horizontal part
The latch hook of body.This structure locking plate structure is simple, easily manufactured, can firmly catch on the breach on slide plate simultaneously again.
Improve again, described first elastic component is spring.Certainly similar flexible member may also be employed, such as leaf spring, disc spring etc.,
It is that its specific mounting means is different.Can ensure that jam plate can deflect, be subject to the active force of a deflection simultaneously, so that jam plate is hooked
Live slide plate, do not unclamp.
Improve again, described second elastic component is spring.Certainly similar flexible member may also be employed, such as leaf spring etc., simply
Its specific mounting means is different.Can ensure that push rod can move forward and backward, be subject to an active force backward, security door is not simultaneously
When shutting, push rod moves in the presence of the second elastic component backward, no longer to jam plate to apply active force, thus jam plate can be in the first bullet
Clasp the breach of slide plate in the presence of property part, so that slide plate is not moved along.
Improve again, described push rod is cylinder, the side face of push rod radially protrudes and is provided with a circle and push rod one
Step is raised, and described push rod is located in mounting seat, has a cavity in described mounting seat, and described step is raised to be located at described cavity
Interior, push rod can move forward and backward in mounting seat, and described second elastic component one end is resisted against in step projection, and the other end is resisted against peace
On dress seat.Mounting seat can limit moving direction and the displacement of push rod well, and the second elastic component is placed in mounting seat, can
So that mounting seat, push rod, the second elastic component to be assembled as a widget, optimized production process.
Improve again, one end of described first elastic component is fixedly mounted on the outer surface of mounting seat, and the other end is fixedly connected
On the vertical portion of jam plate.First elastic component is fixed in mounting seat so that one end of the first elastic component be fixed on jam plate
On one end height near, elastic force directly acts on jam plate, reduces the generation of component.
Finally improve, described slide plate is divided into front slide and tail skid, described breach is opened on described tail skid.
Compared with prior art, the utility model has the advantage of effectively auto-lock function can be realized, this bolt structure is being opened
Guarantee that latch head is still built-in under door state, and under closing door state, can ensure that latch head can stretch out and doorframe locking again, lead to
Often, whole bolt structure is all placed in inside door body by plate behind the door, this practicality is new by the back side meeting gating back plate of condom bolt
In type, only push rod stretches out door bulk frame, is connected side positioned at door body with condom, so as to effectively prevent from leading to because accidentally pressing
The situation that bolt auto-lock function is lost occurs.Therefore be not in the direct knocking door case of latch head at closing time possibility, be prevented effectively from
Latch head knocking door case causes the damage of doorframe or latch head and its internal structure.
Brief description
Fig. 1 is axonometric chart during condom bolt structure non-locking；
Fig. 2 is another view stereo figure of Fig. 1；
Fig. 3 is axonometric chart during condom bolt structure latches；
Fig. 4 is ejection structure three-dimensional exploded view；
In figure：Door-plate 1；Door bolt 2；Breach 3；Front slide 31；Tail skid 32；Jam plate 4；Latch hook 41；Horizontal part 42；Vertical portion
43；First elastic component 5；Push rod 6；Front end 61；Rear end 62；Step projection 63；Second elastic component 7；Mounting seat 8；Locking-valve 9；Gear
10.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As Figure 1-3, it is a preferred embodiment of the present utility model.
Condom door body and casing are linked together by we, and door body can be around rotating, and door bolt 21 is located at door body
Front, door body and casing junction are rear.
A kind of condom bolt structure enabling auto-lock function, including door-plate 1, door bolt 2 and slide plate, slide plate is divided into advancing slip
Plate 31 and tail skid 32, the sidepiece of tail skid 32 offers a breach 3；Door bolt 2 is connected to the end of front slide 31, front slide
31 and tail skid 32 constrain in door-plate 1 back side and sliding before and after energy.
Also include jam plate 4, the first elastic component 5, push rod 6, the second elastic component 7, mounting seat 8.
Jam plate 4 is L-shaped, comprises horizontal part 42 and vertical portion 43, formation protruding upward and horizontal part one on horizontal part 42
Latch hook 41.The back side located at door-plate 1 that jam plate 4 can rotate, latch hook 41 is coordinated with breach 3.
Push rod 6, constrains in the sliding before and after energy of door-plate 1 back side, the front end 61 of push rod 6 in order to coordinate with jam plate 4, push rod
6 rear end 62 in order to doorframe side cooperation, push rod 6 be cylinder, the side face of push rod 6 radially protrude be provided with a circle with
The step projection 63 of push rod 6 one.
Push rod 6 is located in mounting seat 8, has a cavity in mounting seat 8, and step raised 63 is located in cavity, and push rod 6 can be
Movable in mounting seat 8.
First elastic component 5 is spring.
First elastic component 5 one end is fixed on the vertical portion of jam plate, and the other end is fixed in mounting seat.
Second elastic component 7 is also spring.
Second elastic component 7 is located in the cavity of mounting seat, and one end is resisted against in step projection 63, and the other end is resisted against installation
On seat 8.Second elastic component 7, acts on push rod 6 and so that push rod 6 is moved after keeping.
In the state of moving and open the door after slide plate, jam plate 4 deflects under the first elastic component 5 effect and so that latch hook 41 is buckled into scarce
Mouth 3 trend；
In the state of closing the door, the rear end 62 of push rod 6 is resisted against doorframe side, before forcing push rod 6 to move forward and making push rod 6
The vertical portion 43 of end 61 promotion jam plate 4, makes the latch hook 41 on lock 4 depart from breach 3.
When use, after locking-valve 9 is opened, turning handle can carry moving gear 10 to rotate, and gear 10 drives slide plate to move again,
The position of controllable door bolt 2 after slide plate is mobile, slide plate moves backward, door bolt 2 income door body, and slide plate stretches out door toward reach, door bolt 2
Body.When door body is closed, the rear end 62 of push rod 6 acts against on the doorframe of safe box cabinet, and the front end 61 of push rod 6 is stretched out
Mounting seat 8, acts against on the vertical portion 43 of jam plate 4, and the latch hook 41 of jam plate 4 can not snap in the breach 3 of tail skid 32, thus can not
Clasp tail skid 32, stop its movement.
After safe door is opened, door-plate 1 there occurs rotation, push rod, and 6 rear end 62 is no longer influenced by the restriction of doorframe, thus
In the presence of the first elastic component 5 and the second elastic component 7, rear end 62 is stretched out outside mounting seat 8, and front end 61 is moved toward rear, no longer
Act against on the vertical portion 43 of jam plate 4, jam plate 4 rotates counterclockwise, the latch hook 41 of jam plate 4 snaps in the breach 3 of tail skid 32, from
And clasp tail skid 32 and stop its movement, the final self-locking realizing door bolt 2.
After safe door is closed, door-plate 1 there occurs rotation, and the rear end 62 of push rod 6 is limited by doorframe again, is resisted against
On doorframe, in the presence of doorframe, the rear end 62 of push rod 6 moves forward, and the first elastic component 5 and the second elastic component 7 deform upon,
The front end 61 of push rod 6 is stretched out outside mounting seat 8, acts against on the vertical portion 43 of jam plate 4, jam plate 4 rotates clockwise, the lock of jam plate 4
Hook 41 produces in the breach 3 of tail skid 32, thus no longer clasping tail skid 32, tail skid 32 can move forward and backward, finally door bolt 2
Self-locking state release.
This bolt structure guarantees that under door opening state the door bolt 2 of safe door is still built-in, and under closing door state, and energy
Guarantee that the door bolt 2 of safe door can stretch out and doorframe locking.Generally, the back side meeting gating back plate of condom bolt, by door
Whole bolt structure is all placed in inside door body by back plate, and only push rod 6 stretches out door bulk frame, is connected one positioned at door body with condom
Side, so as to effectively prevent because accidentally pressing the situation generation leading to bolt auto-lock function to be lost.Therefore be not in fasten with a bolt or latch at closing time
The possibility of 2 direct knocking door cases, is prevented effectively from door bolt 2 knocking door case and causes doorframe or the damage of door bolt 2 and its internal structure.
Although the preferred embodiments of the present invention described in detail above, it is to be clearly understood that for this area
Technical staff for, the present invention can have various modifications and variations.All made within the spirit and principles in the present invention appoint
What modification, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of condom bolt structure enabling auto-lock function, including door-plate (1), door bolt head (2) and slide plate, described door bolt head
(2) it is connected to the end of slide plate, described slide plate constrains in door-plate (1) back side and sliding before and after energy；It is characterized in that：Also include setting
In the breach (3) of slide plate sidepiece,
Jam plate (4), rotates located at the back side of door-plate (1), jam plate (4) has the latch hook (41) coordinating with described breach (3)；
First elastic component (5), acts on jam plate (4)；
Push rod (6), constrains in the sliding before and after energy of door-plate (1) back side, the front end (61) of push rod (6) is in order to join with jam plate (4)
Close, the rear end (62) of push rod (6) in order to the cooperation of doorframe side,
Second elastic component (7), acts on push rod (6) and so that push rod (6) is moved after keeping；
In the state of moving and open the door after slide plate, described jam plate (4) deflects under the first elastic component (5) effect and makes latch hook (41)
Buckle into described breach (3) trend；
In the state of closing the door, the rear end of described push rod (6) is resisted against doorframe side, forces push rod (6) to move forward and makes push rod (6)
Front end promote jam plate (4), make latch hook (41) on jam plate (4) depart from described breach (3).
2. the condom bolt structure enabling auto-lock function according to claim 1 it is characterised in that：Described jam plate
(4) L-shaped, comprise horizontal part (42) and vertical portion (43), the upper shape all-in-one-piece latch hook protruding upward of described horizontal part (42)
(41).
3. the condom bolt structure enabling auto-lock function according to claim 1 it is characterised in that：Described first bullet
Property part (5) be spring.
4. the condom bolt structure enabling auto-lock function according to claim 1 it is characterised in that：Described second bullet
Property part (7) be spring.
5. the condom bolt structure enabling auto-lock function according to claim 1 it is characterised in that：Described push rod
(6) it is cylinder, the side face of push rod (6) radially protrudes step projection (63) being provided with a circle and push rod (6) one, institute
State push rod (6) to be located in mounting seat (8), in described mounting seat (8), have a cavity, described step projection (63) is located at described sky
Intracavity, push rod (6) can move forward and backward in mounting seat (8), and described second elastic component (7) one end is resisted against step projection (63)
On, the other end is resisted against in mounting seat (8).
6. the condom bolt structure enabling auto-lock function according to claim 2 or 5 it is characterised in that：Described
One end of one elastic component (5) is fixedly mounted on the outer surface of mounting seat (8), and the other end is fixedly connected on the vertical of jam plate (4)
In portion (43).
7. the condom bolt structure enabling auto-lock function according to claim 1 it is characterised in that：Described slide plate divides
For front slide (31) and tail skid (32), described breach (3) is opened on described tail skid (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620823778.7U CN205935994U (en) | 2016-07-29 | 2016-07-29 | Can realize self -locking function's safe door latch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620823778.7U CN205935994U (en) | 2016-07-29 | 2016-07-29 | Can realize self -locking function's safe door latch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205935994U true CN205935994U (en) | 2017-02-08 |
Family
ID=57924018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620823778.7U Active CN205935994U (en) | 2016-07-29 | 2016-07-29 | Can realize self -locking function's safe door latch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205935994U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130878A (en) * | 2017-06-08 | 2017-09-05 | 宁波鑫达杰电器有限公司 | A kind of linkage self-locking door-plate of salamander |
| CN107178272A (en) * | 2017-06-08 | 2017-09-19 | 宁波鑫达杰电器有限公司 | A kind of salamander |
| CN112482927A (en) * | 2020-12-10 | 2021-03-12 | 上海拜杰实业有限公司 | Safe box anti-theft door structure and safe box |
| CN114320082A (en) * | 2022-01-13 | 2022-04-12 | 山东银盾金属制品有限公司 | Anti-smoke sealed anti-theft vault door |
-
2016
- 2016-07-29 CN CN201620823778.7U patent/CN205935994U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130878A (en) * | 2017-06-08 | 2017-09-05 | 宁波鑫达杰电器有限公司 | A kind of linkage self-locking door-plate of salamander |
| CN107178272A (en) * | 2017-06-08 | 2017-09-19 | 宁波鑫达杰电器有限公司 | A kind of salamander |
| CN112482927A (en) * | 2020-12-10 | 2021-03-12 | 上海拜杰实业有限公司 | Safe box anti-theft door structure and safe box |
| CN114320082A (en) * | 2022-01-13 | 2022-04-12 | 山东银盾金属制品有限公司 | Anti-smoke sealed anti-theft vault door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210519 Address after: 315800 building 6, No.16, Baifeng Xingfeng Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo taigejin safety equipment Co.,Ltd. Address before: 8 / F, building 1, Huadong City, 323 north section of Century Avenue, Jiangdong District, Ningbo City, Zhejiang Province, 315000 Patentee before: SHENGWEI SAFETY CABINET (NINGBO) Co.,Ltd. |