CN219733072U - Idle type reverse locking lock body - Google Patents
Idle type reverse locking lock body Download PDFInfo
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- CN219733072U CN219733072U CN202222680745.XU CN202222680745U CN219733072U CN 219733072 U CN219733072 U CN 219733072U CN 202222680745 U CN202222680745 U CN 202222680745U CN 219733072 U CN219733072 U CN 219733072U
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- locking
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- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- 230000000670 limiting effect Effects 0.000 description 1
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Abstract
The utility model discloses an idle type anti-lock body, which comprises a lock shell and a lock tongue, wherein a lock tongue driving piece matched with the lock tongue is arranged on the lock shell, and a rotating driving piece matched with a square shaft is also arranged on the lock shell; the rotary driving piece is provided with a linkage rod and a linkage torsion spring, and the linkage torsion spring can press the linkage rod to be matched with the linkage concave part of the lock tongue driving piece, so that the rotary driving piece can push the lock tongue driving piece to rotate through the linkage rod; the rotary driving piece is also provided with a back-locking driving piece matched with the back-locking strip, the back-locking driving piece can rotate relative to the rotary driving piece, and the back-locking driving piece is separated from the linkage concave part by pushing the linkage rod through the convex part, at the moment, the rotary driving piece can not push the lock tongue driving piece to rotate through the linkage rod, so that the back-locking function is realized, and the lock body is simpler in structure and more compact in volume.
Description
Technical Field
The utility model relates to the field of door locks, in particular to an idle type back-locking lock body.
Background
The lock body is one of the lock components, and the lock body has a plurality of kinds, and common lock bodies comprise a three-double-tongue lock body and a double-tongue lock body. The lock body is responsible for unlocking or locking doors and windows and plays an important role in theft prevention. The double-bolt lock body generally adopts the oblique bolt and the square bolt to respectively play roles of opening and closing and safety back locking, so that components respectively linked with the oblique bolt and the square bolt are required to be arranged, and the whole structure is complex. Whereas single-bolt locks generally do not have the effect of a secure counter lock
At present, the Chinese patent with the application number of 201820154552.1 discloses a single-bolt lock body, which comprises a lock shell, wherein the lock shell comprises a panel assembly, a bottom plate assembly and a cover plate assembly, an inclined bolt assembly is arranged in the lock shell, the inclined bolt assembly comprises a lock bolt and an elastic piece for driving the lock bolt to pop out of the lock shell, a sliding block is also arranged in the lock shell, and the sliding block only horizontally displaces along a single linear direction and forms two states of insurance and non-insurance in a linear motion direction; the safety component can circumferentially rotate to control the sliding block to displace along the linear direction so as to realize the switching of the sliding block between the safety position state and the non-safety position state; the unlocking assembly comprises a rotary driving assembly and a linkage assembly, wherein the rotary driving assembly and the linkage assembly are used for driving the sliding block to move back to the safety state position when the sliding block is in the non-safety state position, and the linkage assembly is driven by the sliding block to drive the lock tongue to retract into the lock shell when the sliding block continuously displaces. The safety component drives the sliding block to switch between a safety state and an unsafe state, and when the sliding block is in the unsafe state, the unlocking component drives the sliding block to continuously move and drives the sliding block to retract into the lock shell through the linkage component.
The single-bolt lock still needs to be provided with a reverse lock core in the lock body although realizing the reverse lock function, and the lock body still needs to be provided with enough space to set the reverse lock core, so that the volume of the lock body can not be reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide an idle type back-locking lock body which is simple in structure and compact in volume.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an idle type anti-lock body comprises a lock shell and a lock tongue, wherein a lock tongue driving piece matched with the lock tongue is arranged on the lock shell, and a rotary driving piece matched with a square shaft is also arranged on the lock shell; the rotary driving piece is provided with a linkage rod and a linkage torsion spring, and the linkage torsion spring can press the linkage rod to be matched with the linkage concave part of the lock tongue driving piece, so that the rotary driving piece can push the lock tongue driving piece to rotate together through the linkage rod; the rotary driving piece is also provided with an anti-lock driving piece matched with the anti-lock bar, the anti-lock driving piece can rotate relative to the rotary driving piece, and the anti-lock driving piece pushes the linkage rod to be separated from the linkage concave part through the convex part.
The utility model further provides that: the rotary driving piece is provided with a reverse locking guide groove, one end part of the linkage rod is arranged in the reverse locking guide groove, the other end part of the linkage rod is matched with the linkage concave part, and the convex part pushes the linkage rod to move in the reverse locking guide groove to be separated from the linkage concave part.
The utility model further provides that: the rotary driving piece comprises an outer driving piece matched with the outer square strip and an inner driving piece matched with the inner square strip, the back locking driving piece is arranged between the outer driving piece and the inner driving piece, and the back locking strip penetrates through the inner square strip to drive the back locking driving piece to rotate.
The utility model further provides that: the outer driving piece is fixedly connected with the inner driving piece through a connecting fixed shaft, and the back-locking driving piece is provided with a rotating chute matched with the connecting fixed shaft.
The utility model further provides that: the lock shell is provided with a mounting column for mounting the linkage torsion spring, one torsion spring of the linkage torsion spring is propped against the lock shell, and the other end part of the linkage torsion spring is propped against the linkage rod.
The utility model further provides that: the spring bolt is equipped with the spring bolt slider with spring bolt driving piece matched with, the spring bolt slider sets up buffering rubber piece, and at the spring bolt in the drive spring bolt slider removal process, the spring bolt slider is through buffering rubber and the spacing post on the lock shell touching.
The utility model further provides that: the lock shell is also provided with a reset tension spring for driving the lock tongue driving piece to reset
The utility model has the beneficial effects that: when the lock body needs to be locked, the back-locking driving piece is rotated only by the back-locking strip, the back-locking driving piece pushes the linkage rod to move outwards to compress the linkage torsion spring through the protruding part, so that the linkage rod is separated from the linkage concave part, at the moment, the rotary driving piece cannot push the lock tongue driving piece to rotate through the linkage rod, the square shaft can drive the rotary driving piece to idle, the back-locking function is realized, and when the lock body needs to be unlocked, the back-locking driving piece is required to rotate reversely, so that the protruding part of the back-locking driving piece is staggered with the linkage rod, the linkage rod is matched with the linkage concave part again under the action of the linkage torsion spring, the rotary driving piece can push the lock tongue driving piece to rotate through the linkage rod again to realize unlocking, and the defect that the traditional lock body needs to be locked by the back-locking lock core is overcome, so that the lock body is simpler in structure and more compact in volume.
Drawings
FIG. 1 is a schematic view of an idle type lock body according to the present utility model;
FIG. 2 is a schematic diagram showing the internal structure of an idle type lock body according to the present utility model;
FIG. 3 is a schematic view showing the internal structure of an idle type anti-lock body in a normal state according to the present utility model;
FIG. 4 is a schematic view of a back-locking state portion of an idle-type back-locking lock body according to the present utility model;
FIG. 5 is a schematic diagram of an assembled configuration of the tongue driver blade, rotary driver and linkage rod;
fig. 6 is an exploded view of the tongue driving tab, rotary driver and linkage rod.
Reference numerals illustrate: 1. a lock case; 2. a bolt; 21. a tongue slider; 3. a lock tongue driving piece; 31. a tongue protrusion; 32. a linkage concave part; 4. resetting the tension spring; 5. a rotary driving member; 51. an outer driving plate; 52. an inner driving plate; 6. a linkage rod; 7. a linkage torsion spring; 8. a reverse locking driving piece; 81. a boss; 82. rotating the chute; 9. a back locking guide groove; 10. a square shaft; 20. and (5) reversely locking the strip.
Detailed Description
An idle-type reverse lock body according to the present utility model will be described in further detail with reference to fig. 1 to 6.
As can be seen from fig. 1, the idle type anti-lock body comprises a lock shell 1 and a lock tongue 2, wherein the lock shell 1 is provided with a lock tongue hole for the lock tongue 2 to extend, the lock tongue 2 can be a magnetic lock tongue 2, and when the door is closed, the magnetic lock tongue 2 extends out of the lock tongue hole under the action of magnetic force to realize the door closing. As can be seen from fig. 2, a lock tongue driving plate 3 is provided on a lock case 1, the lock tongue driving plate 3 is provided with a lock tongue protrusion 31 matched with the lock tongue 2, the lock tongue driving plate 3 can drive the lock tongue 2 to retract into the lock case 1 through the lock tongue protrusion 31 to unlock, and a reset tension spring 4 for driving the lock tongue driving plate 3 to reset is further provided on the lock case 1 in order to reset the lock tongue driving plate 3 in time after unlocking. The lock tongue 2 is provided with a lock tongue sliding block 21 matched with the lock tongue driving piece 3, the lock tongue sliding block 21 is provided with a buffer rubber block, and in the moving process of the lock tongue 2 driving the lock tongue sliding block 21, the lock tongue sliding block 21 is contacted with a limit post on the lock shell 1 through the buffer rubber, so that the sound in the moving process of the lock tongue 2 is effectively avoided.
As can be seen from fig. 3, the lock case 1 is further provided with a rotary driving member 5 which is matched with the square shaft 10, and the handle can drive the rotary driving member 5 to rotate on the lock case 1 through the square shaft 10; the rotary driving piece 5 is provided with a linkage rod 6 and a linkage torsion spring 7, the lock shell 1 is provided with a mounting column for mounting the linkage torsion spring 7, one torsion spring of the linkage torsion spring 7 is propped against the lock shell 1, the other end of the linkage torsion spring is propped against the linkage rod 6, and the linkage torsion spring 7 can press the linkage rod 6 to be matched with the linkage concave part 32 of the lock tongue driving piece 3, so that the rotary driving piece 5 can push the lock tongue driving piece 3 to rotate together through the linkage rod 6.
The rotary driving piece 5 is further provided with a back-locking driving piece 8 matched with the back-locking strip 20, and the back-locking knob drives the back-locking driving piece 8 to rotate relative to the rotary driving piece 5 through the back-locking strip 20, so that the back-locking driving piece 8 can push the linkage rod 6 to be separated from the linkage concave part 32 through the convex part 81 as shown in fig. 4, and the rotary driving piece 5 cannot push the lock tongue driving piece 3 to rotate through the linkage rod 6 to realize unlocking, thereby realizing the back-locking function.
Wherein the rotary driving member 5 is provided with a back locking guiding groove 9, one end of the linkage rod 6 is disposed in the back locking guiding groove 9, the other end is matched with the linkage concave portion 32, the convex portion 81 pushes the linkage rod 6 to move in the back locking guiding groove 9 to be separated from the linkage concave portion 32, and the back locking guiding groove 9 plays a guiding role on the movement of the linkage rod 6, so that the linkage rod 6 can be accurately matched with or separated from the linkage concave portion 32.
Wherein the locking bar 20 is disposed in the central hole of the square shaft 10, and rotates in the central hole to drive the locking driving piece 8 to rotate relative to the rotary driving piece 5.
When the lock body needs to be locked, the anti-locking driving piece 8 is driven to rotate only through the anti-locking strip 20, the anti-locking driving piece 8 pushes the linkage rod 6 to move outwards through the protruding portion 81 to compress the linkage torsion spring 7, so that the linkage rod 6 is separated from the linkage concave portion 32, at the moment, the rotary driving piece 5 cannot push the lock tongue driving piece 3 to rotate through the linkage rod 6, the square shaft 10 can drive the rotary driving piece 5 to idle, the anti-locking function is achieved, when the lock body needs to be unlocked, only the anti-locking driving piece 8 is required to rotate reversely, the protruding portion 81 of the anti-locking driving piece 8 is staggered with the linkage rod 6, the linkage rod 6 is matched with the linkage concave portion 32 again under the action of the linkage torsion spring 7, the rotary driving piece 5 can push the lock tongue driving piece 3 to rotate through the linkage rod 6 to achieve unlocking, the defect that a traditional lock cylinder needs to be locked is overcome, the lock body is simpler in structure, and the lock body is compact.
As can be seen from fig. 5 and 6, the rotary driving piece 5 includes an outer driving piece 51 matched with the outer bar and an inner driving piece 52 matched with the inner bar, the back locking driving piece 8 is disposed between the outer driving piece 51 and the inner driving piece 52, the back locking bar 20 passes through the inner bar to drive the back locking driving piece 8 to rotate, so as to drive the protruding part 81 of the back locking driving piece 8 to abut against or stagger with the blocking swinging piece, thereby realizing whether the linkage rod 6 is matched with the linkage concave part 32, further realizing the back locking function, and the mutual position relationship between the lock tongue driving piece 5 and the back locking driving piece 8, so that the lock body is more compact.
The outer driving piece 51 and the inner driving piece 52 are fixedly connected through a connecting fixed shaft, so that synchronous rotation of the outer driving piece 51 and the inner driving piece 52 is realized, the back-locking driving piece 8 is provided with a rotating chute 82 matched with the connecting fixed shaft, interference in the rotating process of the back-locking driving piece 8 is avoided, and meanwhile, guiding and limiting effects on rotation of the back-locking driving piece 8 are also realized.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. An idle type anti-lock body comprises a lock shell and a lock tongue, wherein a lock tongue driving piece matched with the lock tongue is arranged on the lock shell, and a rotary driving piece matched with a square shaft is also arranged on the lock shell;
the method is characterized in that: the rotary driving piece is provided with a linkage rod and a linkage torsion spring, and the linkage torsion spring can press the linkage rod to be matched with the linkage concave part of the lock tongue driving piece, so that the rotary driving piece can push the lock tongue driving piece to rotate together through the linkage rod;
the rotary driving piece is also provided with an anti-lock driving piece matched with the anti-lock bar, the anti-lock driving piece can rotate relative to the rotary driving piece, and the anti-lock driving piece pushes the linkage rod to be separated from the linkage concave part through the convex part.
2. An lost motion reverse lock body according to claim 1, wherein: the rotary driving piece is provided with a reverse locking guide groove, one end part of the linkage rod is arranged in the reverse locking guide groove, the other end part of the linkage rod is matched with the linkage concave part, and the convex part pushes the linkage rod to move in the reverse locking guide groove to be separated from the linkage concave part.
3. An idle reaction lock body according to claim 1 or 2, characterized in that: the rotary driving piece comprises an outer driving piece matched with the outer square strip and an inner driving piece matched with the inner square strip, the back locking driving piece is arranged between the outer driving piece and the inner driving piece, and the back locking strip penetrates through the inner square strip to drive the back locking driving piece to rotate.
4. An idle reaction lock body as claimed in claim 3 wherein: the outer driving piece is fixedly connected with the inner driving piece through a connecting fixed shaft, and the back-locking driving piece is provided with a rotating chute matched with the connecting fixed shaft.
5. An lost motion reverse lock body according to claim 1, wherein: the lock shell is provided with a mounting column for mounting the linkage torsion spring, one torsion spring of the linkage torsion spring is propped against the lock shell, and the other end part of the linkage torsion spring is propped against the linkage rod.
6. An lost motion reverse lock body according to claim 1, wherein: the spring bolt is equipped with the spring bolt slider with spring bolt driving piece matched with, the spring bolt slider sets up buffering rubber piece, and at the spring bolt in the drive spring bolt slider removal process, the spring bolt slider is through buffering rubber and the spacing post on the lock shell touching.
7. An lost motion reverse lock body according to claim 1, wherein: the lock shell is also provided with a reset tension spring for driving the lock tongue driving piece to reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222680745.XU CN219733072U (en) | 2022-10-11 | 2022-10-11 | Idle type reverse locking lock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222680745.XU CN219733072U (en) | 2022-10-11 | 2022-10-11 | Idle type reverse locking lock body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733072U true CN219733072U (en) | 2023-09-22 |
Family
ID=88059519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222680745.XU Active CN219733072U (en) | 2022-10-11 | 2022-10-11 | Idle type reverse locking lock body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733072U (en) |
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2022
- 2022-10-11 CN CN202222680745.XU patent/CN219733072U/en active Active
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