CN218715874U - Novel single-bolt lock body - Google Patents
Novel single-bolt lock body Download PDFInfo
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- CN218715874U CN218715874U CN202222460893.0U CN202222460893U CN218715874U CN 218715874 U CN218715874 U CN 218715874U CN 202222460893 U CN202222460893 U CN 202222460893U CN 218715874 U CN218715874 U CN 218715874U
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Abstract
The utility model discloses a novel single-bolt lock body, which comprises a lock shell, wherein a bolt is arranged in the lock shell in a front-back sliding manner; the lock shell is internally provided with a linkage piece and a back lock core for driving the linkage piece to slide up and down, the lock shell is rotatably provided with a driving piece at the position close to the upper end part of the linkage piece, and the lock shell is provided with an unlocking piece at the position close to the lower end part of the linkage piece in a swinging manner; the abutting part at the lower end part of the unlocking part abuts against the linkage part, and the swing arm at the upper end part of the unlocking part is matched with the lock tongue; the anti-locking lock cylinder pushes the linkage piece to slide up and down to be in an unlocking position and an anti-locking position, and when the linkage piece is in the unlocking position, the driving piece can drive the linkage piece to slide upwards to enable the swinging arm to push the lock tongue to slide backwards to retract into the lock shell; when the linkage piece is in the back locking position, the linkage piece and the driving piece are staggered; the door lock only uses a single bolt, so that the wind-proof function and the anti-theft function of the door lock can be realized; the volume is reduced, the structure is simplified, and the manufacturing cost of the door lock is reduced.
Description
Technical Field
The utility model relates to a lock technical field, more specifically say, it relates to a novel single spring bolt lock body.
Background
The door lock is a necessary security protection device for wind prevention and theft prevention, a lock body of the existing door lock is generally provided with two lock tongues, namely an upper lock tongue and a lower lock tongue, wherein the upper lock tongue is linked with a door lock handle, and when the door is closed, the upper lock tongue extends out of the lock shell to be matched with a buckling box on a door frame, so that a door leaf is tightly closed on the door frame to play a role in wind prevention; when the door lock handle is pressed down, the upper lock tongue can retract into the lock shell to unlock the door leaf; the lower lock tongue is linked with the lock core and the safety knob, can extend out of the lock shell under the drive of the safety knob or the lock core and is also matched with the buckle box, so that the door lock is reversely locked, and an outdoor person can only open the lock through a key to play a role in preventing burglary;
however, in the lock body with double lock tongues, the lock body needs to have a space for accommodating the upper lock tongue and the lower lock tongue, so that the size and the dimension of the lock body are larger, the structure of the door lock is complex, and the manufacturing cost is higher.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a novel single spring bolt lock body.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a novel single-bolt lock body comprises a lock shell, wherein a bolt is arranged in the lock shell in a front-back sliding mode; the lock shell is internally provided with a linkage piece and a back lock core for driving the linkage piece to slide up and down, the lock shell is rotatably provided with a driving piece at the position close to the upper end part of the linkage piece, and the lock shell is provided with an unlocking piece at the position close to the lower end part of the linkage piece in a swinging manner; the abutting part at the lower end part of the unlocking part abuts against the linkage part, and the swing arm at the upper end part of the unlocking part is matched with the lock tongue;
the anti-locking lock cylinder pushes the linkage piece to slide up and down to be in an unlocking position and an anti-locking position, when the linkage piece is in the unlocking position, the driving piece can drive the linkage piece to slide upwards, the lower end part of the linkage piece drives the swing arm of the unlocking piece to swing towards the lock tongue, and the swing arm pushes the lock tongue to slide backwards to be retracted into the lock shell; when the linkage piece slides downwards to be in the reverse locking position, the linkage piece and the driving piece are staggered, and the driving piece cannot push the linkage piece to move.
The utility model discloses further set up: the upper end of the linkage piece is provided with an abutting block matched with the pushing part of the driving piece, and the lower end of the linkage piece is provided with a pushing block abutted against the abutting part.
The utility model discloses further set up: the linkage piece is vertically provided with a guide block, and the lock shell is provided with a guide groove matched with the guide block.
The utility model discloses further set up: the linkage piece is provided with a positioning ball and a positioning spring, and one end part of the positioning ball is arranged in a positioning hole of the lock shell by the positioning spring to lock the linkage piece on the lock shell.
The utility model discloses further set up: and when the positioning ball is separated from the positioning hole, the reset spring can drive the linkage piece to slide upwards.
The utility model discloses further set up: the linkage piece is provided with a mounting groove for mounting a return spring, and the upper end of the mounting groove is provided with an opening; the linkage piece slides upwards, and the pressing block on the lock shell enters the mounting groove from the opening and compresses the return spring.
The utility model discloses further set up: a safety block is arranged on the linkage piece, and a rear safety groove matched with the safety block is arranged at the rear end of the lock tongue; the linkage piece slides downwards, and the safety block is inserted into the rear safety groove to prevent the bolt from retracting into the lock shell.
The utility model discloses further set up: the front end of the spring bolt is provided with a front safety groove matched with the safety block, when the spring bolt is in a state of retracting into the lock shell, the linkage piece slides downwards, and the safety block is inserted into the front safety groove to prevent the spring bolt from extending out of the lock shell.
The utility model discloses further set up: the driving piece is sleeved with a reset torsion spring which enables the driving piece to reset.
The utility model discloses beneficial effect: when the linkage piece is in a non-back locking position, the driving piece is rotated, the driving piece drives the linkage piece to slide upwards, the upper end part of the linkage piece drives the swing arm of the unlocking piece to swing towards the lock tongue, and the swing arm pushes the lock tongue to slide backwards and retract into the lock shell; the unlocking of the door lock is realized, and the unlocking operation is convenient; when the lock tongue extends out of the lock shell and is matched with the buckling box on the door frame, the door lock can play a role in preventing wind for the door leaf; at the moment, the lock cylinder drives the linkage piece to slide downwards, the upper end part of the linkage piece can reversely push the driving piece to rotate, so that the linkage piece and the driving piece are staggered, and when the driving piece is rotated, the driving piece has an idle running phenomenon and cannot push the unlocking piece to swing through the linkage piece, so that the door leaf is reversely locked, and an anti-theft effect is achieved; the door lock only uses a single bolt, so that the windproof function of the door lock can be realized, and the anti-theft function of the door lock can be realized; the volume of the door lock is effectively reduced, and the structure of the door lock is simplified, so that the manufacturing cost of the door lock is reduced.
Drawings
Fig. 1 is a first structural schematic diagram of a novel single-bolt lock body of the present invention;
fig. 2 is a second schematic structural view of a novel single-bolt lock body of the present invention;
fig. 3 is a matching view of the linkage member, the driving member and the unlocking member of the novel single-bolt lock body of the invention;
fig. 4 is a matching view of the unlocking member and the lock tongue of the novel single-lock-tongue lock body of the invention;
fig. 5 is a schematic structural view of a linkage member of a novel single-bolt lock body of the present invention;
fig. 6 is an installation diagram of the positioning balls of the novel single-bolt lock body in the linkage member;
fig. 7 is a schematic structural view of a lock case of a novel single-bolt lock body of the present invention;
fig. 8 is a schematic structural diagram of a lock tongue of the novel single-lock-tongue lock body of the present invention.
Description of reference numerals: 1. a lock case; 11. positioning holes; 12. a guide groove; 13. extruding the block; 14. a lock hole; 2. a latch bolt; 21. a front safety groove; 22. a rear safety groove; 3. a linkage; 31. a butting block; 32. a pushing block; 33. a guide block; 34. positioning the ball; 35. a positioning spring; 36. mounting grooves; 361. an opening; 362. a return spring; 4. a drive member; 41. a pushing part; 42. a return torsion spring; 5. unlocking the lock; 51. an abutting portion; 52. a swing arm.
Detailed Description
The novel single-bolt lock body of the present invention is further described in detail with reference to fig. 1 to 8.
A novel single-bolt lock body comprises a lock shell 1, a bolt 2 is arranged in the lock shell 1 in a front-back sliding mode, a compression spring is arranged at the rear end of the bolt 2, and the compression spring can push the bolt 2 to extend out of the bolt 2; a lock hole 14 for installing a back lock core is arranged on the lock shell 1, one end of the back lock core, which faces the outside of the door, is linked with a key, and the other end of the back lock core, which faces the inside of the door, is linked with a back lock knob; a linkage piece 3 is arranged in the lock shell 1 in a sliding manner;
the lock shell 1 is rotatably provided with a driving part 4 at the upper end position close to a linkage part 3, a reset torsion spring 42 for resetting the driving part 4 is sleeved on the driving part 4, and the driving part 4 is linked with a door handle; the lock shell 1 is provided with an unlocking piece 5 at the position close to the lower end part of the linkage piece 3 in a swinging way; the abutting part 51 at the lower end part of the unlocking part 5 abuts against the linkage part 3, and the swing arm 52 at the upper end part of the unlocking part is matched with the bolt 2;
the upper end part of the linkage piece 3 is provided with an abutting block 31 matched with the pushing part 41 of the driving piece 4, and the lower end part of the linkage piece is provided with a pushing block 32 abutted against the abutting part 51; a guide block 33 is vertically arranged on the linkage piece 3, and a guide groove 12 matched with the guide block 33 is arranged on the lock shell 1; the linkage piece 3 slides smoothly in the lock shell 1 under the guidance of the guide block 33;
the anti-locking lock cylinder pushes the linkage piece 3 to slide up and down to be in an unlocking position and an anti-locking position, when the linkage piece 3 is in the unlocking position, the door handle is pressed down, the driving piece 4 can drive the linkage piece 3 to slide upwards, the upper end part of the linkage piece 3 drives the swing arm 52 of the unlocking piece 5 to swing towards the lock tongue 2, and the swing arm 52 pushes the lock tongue 2 to slide backwards and retract into the lock shell 1; the unlocking of the door lock is realized, and the unlocking operation is convenient;
the lock core is driven to rotate by a key or a reverse locking knob, the lock core can push the linkage piece 3 to slide downwards, so that the linkage piece 3 and the driving piece 4 are staggered, the linkage piece 3 is in a reverse locking position, the door handle is pressed downwards at the moment, the driving piece 4 is rotated, the driving piece 4 has an idling phenomenon, the unlocking piece 5 cannot be pushed to swing by the linkage piece 3, and therefore the door leaf is reversely locked, and an anti-theft effect is achieved; the door lock only uses a single bolt 2, so that the wind-proof function of the door lock can be realized, and the anti-theft function of the door lock can be realized; the volume of the door lock is effectively reduced, and the structure of the door lock is simplified, so that the manufacturing cost of the door lock is reduced.
A positioning ball 34 and a positioning spring 35 are arranged on the linkage piece 3, and one end part of the positioning ball 34 is placed in the positioning hole 11 of the lock shell 1 by the positioning spring 35 to lock the linkage piece 3 on the lock shell 1; when the linkage member 3 slides downwards, the positioning ball 34 slides into the positioning hole 11, and one end part of the positioning ball is abutted against the lock shell 1 under the action of the positioning spring 35, so that the linkage member 3 can be always in the back locking position;
the linkage 3 is provided with a mounting groove 36 for mounting a return spring 362, and the upper end of the mounting groove 36 is provided with an opening 361; wherein the linkage member 3 slides upwards, the pressing block 13 on the lock case 1 enters the installation groove 36 from the opening 361 and compresses the return spring 362; when the reverse locking knob is rotated reversely or is driven by a key, the linkage piece 3 slides upwards, the locking of the positioning ball 34 is overcome, and the positioning ball 34 is separated from the positioning hole 11, the return spring 362 can drive the linkage piece 3 to slide upwards, the reverse locking of the door lock is released, and the abutting block 31 of the linkage piece 3 is matched with the pushing part 41 of the driving piece 4 again;
in order to further enhance the back locking effect of the door lock, a safety block is arranged on the linkage part 3, and a back safety slot 22 matched with the safety block is arranged at the back end of the bolt 2; the linkage piece 3 slides downwards, and the safety block is inserted into the rear safety groove 22 to prevent the bolt 2 from retracting into the lock shell 1; has better back locking effect.
In order to avoid the damage of the bolt 2 caused by the impact of the bolt 2 on the door frame when the door leaf is opened and the door is accidentally closed under the action of external force; the front end of the bolt 2 is provided with a front safety slot 21 matched with a safety block, the bolt 2 is pressed inwards by hands to enable the bolt 2 to be in a state of retracting into the lock shell 1, the reverse locking piece is driven to slide downwards by rotating a reverse locking knob, the safety block is inserted into the front safety slot 21, and the bolt 2 is prevented from sliding forwards to extend out of the lock shell 1; realize the back lock of spring bolt 2 withdrawal state, effectively protect spring bolt 2.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A novel single-bolt lock body comprises a lock shell, wherein a bolt is arranged in the lock shell in a front-back sliding mode; the method is characterized in that: the lock shell is internally provided with a linkage piece and a back lock core for driving the linkage piece to slide up and down, the lock shell is rotatably provided with a driving piece at the position close to the upper end part of the linkage piece, and the lock shell is provided with an unlocking piece at the position close to the lower end part of the linkage piece in a swinging manner; the abutting part at the lower end part of the unlocking part abuts against the linkage part, and the swing arm at the upper end part of the unlocking part is matched with the lock tongue;
the anti-locking lock cylinder pushes the linkage piece to slide up and down to be in an unlocking position and an anti-locking position, when the linkage piece is in the unlocking position, the driving piece can drive the linkage piece to slide upwards, the lower end part of the linkage piece drives the swing arm of the unlocking piece to swing towards the lock tongue, and the swing arm pushes the lock tongue to slide backwards to be retracted into the lock shell; when the linkage piece slides downwards and is in the unlocking position, the linkage piece and the driving piece are staggered, and the driving piece cannot push the linkage piece to move.
2. The novel single-bolt lock body of claim 1, which is characterized in that: the upper end of the linkage piece is provided with an abutting block matched with the pushing part of the driving piece, and the lower end of the linkage piece is provided with a pushing block abutted against the abutting part.
3. The novel single-bolt lock body of claim 1 or 2, which is characterized in that: the linkage piece is vertically provided with a guide block, and the lock shell is provided with a guide groove matched with the guide block.
4. The novel single-bolt lock body of claim 1 or 2, which is characterized in that: the linkage piece is provided with a positioning ball and a positioning spring, and one end part of the positioning ball is arranged in a positioning hole of the lock shell by the positioning spring to lock the linkage piece on the lock shell.
5. The novel single-bolt lock body of claim 4, which is characterized in that: and when the positioning ball is separated from the positioning hole, the reset spring can drive the linkage piece to slide upwards.
6. The novel single-bolt lock body of claim 5, which is characterized in that: the linkage piece is provided with a mounting groove for mounting a return spring, and the upper end of the mounting groove is provided with an opening; the linkage piece slides upwards, and the pressing block on the lock shell enters the mounting groove from the opening and compresses the return spring.
7. The novel single-bolt lock body of claim 1 or 2, which is characterized in that: a safety block is arranged on the linkage piece, and a rear safety groove matched with the safety block is arranged at the rear end of the lock tongue; the linkage piece slides downwards, and the safety block is inserted into the rear safety groove to prevent the bolt from retracting into the lock shell.
8. The novel single-bolt lock body of claim 7, which is characterized in that: the front end of the spring bolt is provided with a front safety groove matched with the safety block, when the spring bolt is in a state of retracting into the lock shell, the linkage piece slides downwards, and the safety block is inserted into the front safety groove to prevent the spring bolt from extending out of the lock shell.
9. The novel single-bolt lock body of claim 1 or 2, which is characterized in that: the driving piece is sleeved with a reset torsion spring which enables the driving piece to reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222460893.0U CN218715874U (en) | 2022-09-16 | 2022-09-16 | Novel single-bolt lock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222460893.0U CN218715874U (en) | 2022-09-16 | 2022-09-16 | Novel single-bolt lock body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218715874U true CN218715874U (en) | 2023-03-24 |
Family
ID=85635798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222460893.0U Active CN218715874U (en) | 2022-09-16 | 2022-09-16 | Novel single-bolt lock body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218715874U (en) |
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2022
- 2022-09-16 CN CN202222460893.0U patent/CN218715874U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |