CN206829807U - The anti-inserting structure of antitheft lock latch bolt - Google Patents
The anti-inserting structure of antitheft lock latch bolt Download PDFInfo
- Publication number
- CN206829807U CN206829807U CN201720724180.7U CN201720724180U CN206829807U CN 206829807 U CN206829807 U CN 206829807U CN 201720724180 U CN201720724180 U CN 201720724180U CN 206829807 U CN206829807 U CN 206829807U
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- CN
- China
- Prior art keywords
- latch bolt
- oblique tongue
- tongue rod
- lock body
- inserting piece
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Abstract
The utility model belongs to lock technology field, a kind of more particularly to anti-inserting structure of antitheft lock latch bolt, including lock body, the latch bolt pulling sleeve that the latch bolt component and driving driving latch bolt component being arranged in lock body move backward, latch bolt component is by oblique tongue rod, installed in oblique tongue rod head end latch bolt and be arranged in latch bolt anti-inserted block composition, the side of oblique tongue rod, which is provided with, to be used to limit the Anti-inserting piece that latch bolt stretches in lock body under external force, the tail end of Anti-inserting piece is mounted on by jointed shaft on the lock body of oblique tongue rod tail end side, the head end of Anti-inserting piece sets and acted on rear side of latch bolt close to oblique tongue rod and props up latch bolt and move backward；The utility model has the advantage that：Door in a closed condition, even if latch bolt can not be pushed into lock body to latch bolt pressure, avoids the unlatching of improper means, theftproof performance is more preferable, and security is higher.
Description
Technical field
The utility model belongs to lock technology field, more particularly to a kind of anti-inserting structure of antitheft lock latch bolt.
Background technology
Lock, applies in the life of people, is additionally provided with general safe-guard door lock in addition to master latch anywhere or anytime
Latch bolt component, the setting of latch bolt component are easy to simply lock antitheft door, and latch bolt component includes latch bolt and oblique tongue rod,
It is provided with lock body and drives latch bolt component movement latch bolt pulling sleeve, realizing the opening of latch bolt component can drives tiltedly first with handle
Tongue pulls out set and rotates the rotation drive motion for pulling out set by latch bolt again；The principle being locked in actual application process on the market is：
At closing time, latch bolt by doorframe due to being extruded so that latch bolt slowly can be retracted in lock body after being pressurized, when door and doorframe have coordinated
Bi Shi, latch bolt position are just directed at the inclined tongue hole on doorframe, and latch bolt head extend into inclined tongue hole due to the tension force by back-moving spring
Interior, the door of realization is closed；Due to only needing that latch bolt can be retracted in lock body by latch bolt application pressure, so even if
In the state of door has been switched off, insertion object can also be carried out using the gap left between door and doorframe latch bolt realization is applied
Work is pressed, so as to realize that improper means on the door are opened, potential safety hazard is brought to the property of interior.
Utility model content
The purpose of this utility model is to provide a kind of more preferable anti-inserting structure of antitheft lock latch bolt of anti-theft effect.
What the purpose of this utility model was realized in：
The anti-inserting structure of antitheft lock latch bolt, including lock body, the latch bolt component that is arranged in lock body and driving driving latch bolt
The latch bolt pulling sleeve that component moves backward, the latch bolt component is by oblique tongue rod, the latch bolt installed in oblique tongue rod head end and is arranged on
Anti- inserted block composition in latch bolt, the side of the oblique tongue rod is provided with to be stretched in lock body under external force for limiting latch bolt
Anti-inserting piece, the tail end of Anti-inserting piece are mounted on by jointed shaft on the lock body of oblique tongue rod tail end side, and the head end of Anti-inserting piece leans on
Nearly oblique tongue rod sets and acted on rear side of latch bolt and props up latch bolt and move backward, and the oblique tongue rod is provided with push jack, and push jack acts on
In causing the head end of Anti-inserting piece to be moved to away from oblique tongue rod direction on Anti-inserting piece backward and when oblique tongue rod moves, the oblique tongue rod
Being provided with makes the back-moving spring that oblique tongue rod resets after moving backward.
Stator is provided with above-mentioned lock body, stator is provided with a through hole, and oblique tongue rod is through through hole and can pass through
Slided in perforation, the push jack is slidably socketed at the tail end of oblique tongue rod, and the latch bolt, which is pulled out, is set on stator and push jack
Between and act on push jack.
Above-mentioned oblique tongue rod is provided with banking stop in front half section, and the back-moving spring is socketed between banking stop and stator
On oblique tongue rod, one end of back-moving spring is acted on stator, the other end and banking stop apical grafting cause oblique tongue rod in back-moving spring
There is the trend moved to head end direction under stored energy state.
Above-mentioned anti-inserted block by provided with circular hole be socketed on oblique tongue rod and slidably, between banking stop and anti-inserted block
Oblique tongue rod on the spring that is socketed with, one end and the banking stop apical grafting of spring, other end apical grafting causes anti-inserted block on anti-inserted block
Trend with outside end motion.
Above-mentioned anti-inserted block, which is provided with, to be used to keep out Anti-inserting piece head end to the close baffle plate of oblique tongue rod.
Above-mentioned push jack is provided with the grafting block of convex on the side towards lock body bottom surface, is provided with and uses on the bottom surface of lock body
In the elongated slot of grafting block grafting.
Be provided with torque spring on above-mentioned jointed shaft, one end apical grafting of torque spring is on lock body, the other end be supported on it is anti-
The side of inserted sheet causes Anti-inserting piece to have the trend moved to oblique tongue rod direction.
Above-mentioned Anti-inserting piece is provided with bending section of the opening towards oblique tongue rod direction, and the push jack is made under spring open configuration
With on the bends.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
The utility model is provided with Anti-inserting piece in the side of oblique tongue rod, and the head end of inserted sheet sets close to oblique tongue rod and acted on tiltedly
Prop up latch bolt on rear side of tongue to move backward so that latch bolt in a closed condition, can not be pushed into by door even if pressing to latch bolt
To lock body, the unlatching of improper means is avoided, theftproof performance is more preferable, and security is higher；During door is opened, by oblique
Tongue pulls out the motion of the rotation drive latch bolt of set, and because oblique tongue rod is provided with push jack, push jack is acted on Anti-inserting piece and in oblique tongue rod
The head end of Anti-inserting piece is caused to be moved to away from oblique tongue rod direction when moving backward, you can to open door.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is partial schematic diagram of the present utility model.
Fig. 3 is partial schematic diagram of the present utility model.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-3：
The anti-inserting structure of antitheft lock latch bolt, including lock body 10, the latch bolt component that is arranged in lock body 10 and driving driving
The latch bolt that latch bolt component moves backward pulls out set 12, latch bolt component by oblique tongue rod 13, installed in the head end of oblique tongue rod 13 latch bolt 14 with
And the anti-inserted block 15 being arranged in latch bolt 14 forms, the side of oblique tongue rod 13 is provided with stretches under external force for limiting latch bolt 14
Enter to the Anti-inserting piece 16 in lock body 10, the tail end of Anti-inserting piece 16 and the tail end side of oblique tongue rod 13 is mounted on by jointed shaft 17
On lock body 10, the head end of Anti-inserting piece 16 sets close to oblique tongue rod 13 and acts on the rear side of latch bolt 14 and props up latch bolt 14 and transport backward
Dynamic, this, which is designed, causes door in a closed condition, even if latch bolt 14 can not be pushed into lock body 10 to the pressure of latch bolt 14, keeps away
The unlatching of improper means is exempted from, theftproof performance is more preferable, and security is higher.Oblique tongue rod 13 is provided with push jack 18, and push jack 18 acts on
In causing the head end of Anti-inserting piece 16 to be moved to away from the direction of oblique tongue rod 13 on Anti-inserting piece 16 backward and when oblique tongue rod 13 moves, prevent
Inserted sheet 16 is provided with bending section 28 of the opening towards the direction of oblique tongue rod 13, and push jack 18 is stretched out outside lock body 10 in push jack 18 in latch bolt 14
In the state of act on bending section 28.Stator 20 is provided with lock body 10, stator 20 is provided with a through hole 21, latch bolt
Bar 13 is through through hole 21 and can be slided in through hole 21, and push jack 18 is slidably socketed at the tail end of oblique tongue rod 13, latch bolt
Set 12 is pulled out to be arranged between stator 20 and push jack 18 and act on push jack 18；Oblique tongue rod 13, which is provided with, makes oblique tongue rod 13 backward
The back-moving spring 19 resetted after motion, 19 specific position of back-moving spring：Banking stop 22 is provided with front half section in oblique tongue rod 13,
Back-moving spring 19 is socketed on the oblique tongue rod 13 between banking stop 22 and stator 20, and one end of back-moving spring 19 acts on fixation
On piece 20, the other end and the apical grafting of banking stop 22 cause oblique tongue rod 13 has to head end direction under the stored energy state of back-moving spring 19 to transport
Dynamic trend.
Above-mentioned anti-inserted block 15 by provided with circular hole 23 be socketed on oblique tongue rod 13 and slidably, positioned at banking stop 22 with it is anti-
The spring 24 being socketed with oblique tongue rod 13 between inserted block 15, one end and the apical grafting of banking stop 22 of spring 24, other end apical grafting exist
Cause anti-inserted block 15 that there is the trend of outside end motion on anti-inserted block 15.
Above-mentioned anti-inserted block 15, which is provided with, is used to keep out the head end of Anti-inserting piece 16 to the close baffle plate 25 of oblique tongue rod 13, and veneer can be with
Prevent the head end of Anti-inserting piece 16 to be pressed onto oblique tongue rod 13 due to gravity, influence the normal work of oblique tongue rod 13.
Above-mentioned push jack 18 is provided with the grafting block 26 of convex on the side towards the bottom surface of lock body 10, in the bottom surface of lock body 10
It is provided with the elongated slot 27 for the grafting of grafting block 26.
Torque spring 30 is provided with above-mentioned jointed shaft 17, one end apical grafting of torque spring is on lock body, other end support
Cause Anti-inserting piece that there is the trend moved to oblique tongue rod direction in the side of Anti-inserting piece 16, due to making under the effect of torque spring 30
It is close to the direction of oblique tongue rod 13 to obtain Anti-inserting piece 16；The utility model can also be not provided with torque spring in actual application,
When being in vertical state after lock body installation, Anti-inserting piece is located at the top of oblique tongue rod, and Anti-inserting piece is due to the effect in self gravitation
It is lower that there is the trend moved to oblique tongue rod direction.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection model of the present utility model according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (8)
1. the anti-inserting structure of antitheft lock latch bolt, including lock body, the latch bolt component that is arranged in lock body and driving driving latch bolt group
The latch bolt pulling sleeve that part moves backward, the latch bolt component is by oblique tongue rod, the latch bolt installed in oblique tongue rod head end and is arranged on tiltedly
Anti- inserted block composition on tongue, it is characterised in that：The side of the oblique tongue rod is provided with to be stretched under external force for limiting latch bolt
Anti-inserting piece in lock body, the tail end of Anti-inserting piece are mounted on by jointed shaft on the lock body of oblique tongue rod tail end side, anti-plug
The head end of piece sets and acted on rear side of latch bolt close to oblique tongue rod and props up latch bolt and move backward, and the oblique tongue rod is provided with and pushed away
Piece, push jack acts on causes the head end of Anti-inserting piece to be transported to away from oblique tongue rod direction on Anti-inserting piece and when oblique tongue rod moves backward
Dynamic, the oblique tongue rod, which is provided with, makes the back-moving spring that oblique tongue rod resets after moving backward.
2. the anti-inserting structure of antitheft lock latch bolt according to claim 1, it is characterised in that：It is provided with and fixes in the lock body
Piece, stator are provided with a through hole, and oblique tongue rod is through through hole and can be slided in through hole, and the push jack slidably covers
It is connected at the tail end of oblique tongue rod, described latch bolt, which is pulled out, to be set between stator and push jack and act on push jack.
3. the anti-inserting structure of antitheft lock latch bolt according to claim 2, it is characterised in that：The oblique tongue rod is in front half section
Provided with banking stop, the back-moving spring is socketed on the oblique tongue rod between banking stop and stator, one end effect of back-moving spring
On stator, the other end and banking stop apical grafting cause oblique tongue rod has under back-moving spring stored energy state to be moved to head end direction
Trend.
4. the anti-inserting structure of antitheft lock latch bolt according to claim 3, it is characterised in that：The anti-inserted block by provided with
Circular hole is socketed on oblique tongue rod and slidably, the spring being socketed with the oblique tongue rod between banking stop and anti-inserted block, spring
One end and banking stop apical grafting, other end apical grafting causes anti-inserted block to have the trend of outside end motion on anti-inserted block.
5. the anti-inserting structure of antitheft lock latch bolt according to claim 1, it is characterised in that：The anti-inserted block, which is provided with, to be used for
Anti-inserting piece head end is kept out to the close baffle plate of oblique tongue rod.
6. the anti-inserting structure of antitheft lock latch bolt according to claim 1, it is characterised in that：The push jack is towards lock body bottom
The side in face is provided with the grafting block of convex, and the elongated slot for grafting block grafting is provided with the bottom surface of lock body.
7. the anti-inserting structure of antitheft lock latch bolt according to claim 1, it is characterised in that：Torsion is provided with the jointed shaft
Power spring, one end apical grafting of torque spring is on lock body, the other end is supported on the side of Anti-inserting piece and Anti-inserting piece is had to oblique
The trend of lingual bar direction motion.
8. the anti-inserting structure of antitheft lock latch bolt according to any one of claim 1 to 7, it is characterised in that：The Anti-inserting piece
Bending section of the opening towards oblique tongue rod direction is provided with, the push jack acts on bending section in the state of latch bolt is stretched out outside lock body
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720724180.7U CN206829807U (en) | 2017-06-21 | 2017-06-21 | The anti-inserting structure of antitheft lock latch bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720724180.7U CN206829807U (en) | 2017-06-21 | 2017-06-21 | The anti-inserting structure of antitheft lock latch bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206829807U true CN206829807U (en) | 2018-01-02 |
Family
ID=60777703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720724180.7U Active CN206829807U (en) | 2017-06-21 | 2017-06-21 | The anti-inserting structure of antitheft lock latch bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206829807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798290A (en) * | 2018-07-20 | 2018-11-13 | 深圳市罗曼斯科技有限公司 | A kind of lock body and a kind of antitheft door |
| CN114320027A (en) * | 2020-09-30 | 2022-04-12 | 深圳市润道设计顾问有限公司 | Double-bolt electric control lock |
-
2017
- 2017-06-21 CN CN201720724180.7U patent/CN206829807U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798290A (en) * | 2018-07-20 | 2018-11-13 | 深圳市罗曼斯科技有限公司 | A kind of lock body and a kind of antitheft door |
| CN114320027A (en) * | 2020-09-30 | 2022-04-12 | 深圳市润道设计顾问有限公司 | Double-bolt electric control lock |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |