CN211342215U

CN211342215U - Back trigger device of self-eject lock body and self-eject lock body

Info

Publication number: CN211342215U
Application number: CN201921120018.XU
Authority: CN
Inventors: 方永秋; 程来胜
Original assignee: Shenzhen Wanshafu Smart Lock Co ltd
Current assignee: Shenzhen Wanshafu Smart Lock Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-08-25
Anticipated expiration: 2029-07-16

Abstract

The utility model provides a from back trigger device and from lock body of bullet lock body through set up first spring bolt subassembly, second spring bolt subassembly and the piece that starts of locking in the lock body for first spring bolt subassembly is in entering lock box back completely, and the piece that starts of locking just triggers second spring bolt subassembly and pops out from locking the box, avoids not entering lock box completely at first spring bolt subassembly and just drives second spring bolt subassembly and pop out from locking the box when touching the buckle, and the influence is locked from the bullet lock body.

Description

Back trigger device of self-eject lock body and self-eject lock body

Technical Field

The utility model relates to a tool to lock technical field, and especially relate to a back trigger device and self-eject lock body of self-eject lock body.

Background

At present, the self-eject lock body is one of the lock bodies used in the intelligent electronic door lock, and the main characteristic of the self-eject lock body is that the lock body is locked when the door is closed, so that the condition of false locking or forgetting to lock can be basically avoided, and the safety is higher. The intelligent electronic lock is a lock body which is used more for the current household fingerprint lock, and is also an important mechanism of the intelligent electronic lock.

In the prior art, a lock body is generally provided with a lock tongue assembly, the lock tongue assembly comprises an oblique tongue and a square tongue, and the oblique tongue and the square tongue lock tongue can both pass through a guide plate connected to one side of a lock box to move back and forth. When the lock body is unlocked, the latch bolt is automatically ejected, but the square bolt is fixed in the lock box, and when the lock body needs to be closed and locked, the latch bolt can immediately drive the square bolt to eject from the lock box as soon as the latch bolt touches the door frame. However, when the latch bolt does not completely enter the lock box, i.e. the latch bolt does not touch the door buckle plate, if the square bolt is ejected, the lock cannot be locked when the door is closed, and the lock body needs to be unlocked again.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back trigger device and self-eject lock body of self-eject lock body to when closing the door and locking among the solution prior art, the dead bolt pops out the problem promptly when the latch bolt does not touch the door buckle.

The technical problem of the utility model is solved and the following technical scheme is adopted to realize.

The utility model provides a back trigger device of self-eject lock body sets up on the lock box, and back trigger device includes first spring bolt subassembly, second spring bolt subassembly and the start-up piece that locks, and first spring bolt subassembly is popped out in the lock box once more under the effect of resilience force after closing the door touching door buckle, and the start-up piece is locked in the pulling when first spring bolt subassembly pops out from the lock box, and the start-up piece that locks triggers second spring bolt subassembly and locks.

Furthermore, one side of the locking actuating piece comprises a first groove and a second groove, and a first bulge is formed at the joint of the first groove and the second groove.

Furthermore, the first bolt locking assembly comprises a latch bolt and a push rod fixedly connected with one end of the latch bolt, a sliding sheet is arranged on the push rod, and the sliding sheet can move back and forth between the first groove and the second groove; the second bolt assembly comprises a square bolt and a pushing plate fixedly connected with the square bolt, and the pushing plate drives the square bolt to enter and exit the lock box.

Furthermore, the rear trigger device comprises an unlocking positioning piece which is pivotally connected with the locking starting piece, and the unlocking positioning piece fixes the second lock bolt assembly when the second lock bolt assembly is completely moved into the lock box; one end of the unlocking positioning piece is provided with a second bulge, the other end of the unlocking positioning piece is provided with a third groove, and the second bulge abuts against one end of the locking starting piece; the rear trigger device includes three states in the locking process.

Furthermore, when the first lock tongue assembly completely enters the lock box and rebounds, the locking starting sheet rotates and drives the unlocking positioning sheet to rotate, and the second lock tongue assembly is separated from the unlocking positioning sheet.

Further, when the self-eject lock body is in the first state, the latch bolt is moved out of the lock box, the square bolt retracts into the lock box, the sliding piece abuts against the second groove, and the pushing plate abuts against the third groove.

Further, when the self-eject lock body is in the second state, the latch bolt and the dead bolt are retracted into the lock box, the sliding piece abuts against the first groove, and the pushing plate abuts against the third groove.

Further, when the self-eject lock body is in a third state, the latch bolt and the dead bolt are both moved out of the lock box, the sliding piece abuts against the second groove, and the pushing plate is moved away from the third groove.

Furthermore, an unlocking positioning pin is arranged on the pushing plate, and when the square bolt moves into the lock box, the unlocking positioning pin abuts against the third groove; when the square bolt is moved out of the lock box, the unlocking positioning pin is moved away from the third groove.

The utility model also provides a self-eject lock body, include as above after trigger device.

The utility model provides a from back trigger device and from bullet lock body of bullet lock body is through setting up first spring bolt subassembly, second spring bolt subassembly and the piece that starts of locking in the lock body for first spring bolt subassembly is when getting into the lock box back and kick-backing completely, and the piece that starts of locking just triggers second spring bolt subassembly and pops out from the lock box, avoids driving second spring bolt subassembly promptly and pops out from the lock box after touching the door buckle at first spring bolt subassembly, and the influence is closed the door and is locked from bullet lock body.

Drawings

Fig. 1 is a schematic perspective view of a self-eject lock body in a first state according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the self-eject lock body in the second state according to the embodiment of the present invention.

Fig. 3 is a schematic plan view of fig. 1.

Fig. 4 is a schematic plan view of fig. 2.

Fig. 5 is a schematic view of a partial planar structure of a self-eject lock body according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a lock actuating piece according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of the unlocking positioning plate in the embodiment of the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description of the embodiments, structures, features and effects of the present invention will be made with reference to the accompanying drawings and examples.

Fig. 1 is a schematic perspective view of an embodiment of the self-releasing lock body of the present invention in a first state, fig. 2 is a schematic perspective view of an embodiment of the self-releasing lock body of the present invention in a second state, fig. 3 is a schematic plan view of fig. 1, and fig. 4 is a schematic plan view of fig. 2. Please refer to fig. 1 to 4, an embodiment of the present invention provides a rear trigger device of a self-eject lock body, the rear trigger device is disposed on a lock box 10, the rear trigger device includes a first latch bolt assembly 20, a second latch bolt assembly 30 and a locking start sheet 40, when the first latch bolt assembly 20 completely enters the lock box 10 and ejects out from the lock box 10 under the effect of a resilient force, the locking start sheet 40 triggers the second latch bolt assembly 30, so that the first latch bolt assembly 20 and the second latch bolt assembly 30 sequentially eject out from the lock box 10.

Fig. 5 is a schematic view of a partial plane structure of a self-eject lock body in an embodiment of the present invention, fig. 6 is a schematic view of a structure of a lock actuating plate in an embodiment of the present invention, please combine fig. 5 and fig. 6, one side of the lock actuating plate 40 is provided with a first groove 41 and a second groove 42, and a first protrusion 43 is formed at a joint of the first groove 41 and the second groove 42.

With continued reference to fig. 3 to 5, the first latch assembly 20 includes a latch 21 and a push rod 22 fixedly connected to one end of the latch 21, the push rod 22 is provided with a slide piece 23, and the slide piece 23 can move back and forth between a first groove 41 and a second groove 42; the second latch bolt assembly 30 includes a square bolt 31 and a pushing plate 32 fixedly connected to the square bolt 31, and the pushing plate 32 drives the square bolt 31 to move in and out of the lock case 10. Specifically, in the present embodiment, the push rod 22 may be connected to the bottom of the lock case 10 by an elastic member. When the latch bolt 21 of the first latch bolt assembly 20 contacts the door fastening plate and retracts into the lock box 10, the latch bolt can be ejected out of the lock box 10 again under the action of the resilience force.

Fig. 7 is a schematic structural diagram of an unlocking positioning plate according to an embodiment of the present invention, please refer to fig. 7, the rear trigger device further includes an unlocking positioning plate 50, and the unlocking positioning plate 50 is pivotally connected to the locking start plate 40 through a first positioning pin 61. When the second bolt assembly 30 is completely moved into the lock case 10, the unlocking positioning piece 50 fixes the second bolt assembly 30; one end of the unlocking positioning piece 50 is provided with a second protrusion 51, the other end of the unlocking positioning piece 50 is provided with a third groove 52, and the second protrusion 51 abuts against one end of the locking starting piece 40. In addition, the pushing plate 32 is provided with an unlocking positioning pin 321, and when the square bolt 31 moves into the lock box 10, the unlocking positioning pin 321 abuts against the third groove 52; when the square bolt 31 is removed from the lock case 10, the unlocking positioning pin 321 is removed from the third recess 52.

In this embodiment, when the first bolt assembly 20 completely enters the lock box 10 and is ejected, the first bolt assembly 20 pulls the lock actuation piece 40 to rotate and drive the unlock positioning piece 50 to rotate, so that the second bolt assembly 30 is separated from the unlock positioning piece 50. That is, after the first bolt assembly 20 is completely moved into the lock box 10 and is ejected from the lock box 10 by the resilience, the lock actuation plate 40 actuates the second bolt assembly 30 by unlocking the lock positioning plate 50, so that the second bolt assembly 30 is moved out of the lock box 10, thereby locking the self-eject lock body.

Referring to fig. 1 to 7, the self-eject lock body includes three states, when the self-eject lock body is in the first state, the latch bolt 21 is moved out of the lock box 10, the square bolt 31 is retracted into the lock box 10, the sliding piece 23 abuts against the second groove 42, and the unlocking positioning pin 321 of the push plate 32 is disposed in the third groove 52.

When the self-eject lock body is in the first state, the latch bolt 21 of the first latch bolt assembly 20 can be ejected back after contacting the door buckle plate, when the first latch bolt assembly 20 is ejected back, the latch bolt 21 can drive the sliding piece 23 on the push rod 22 to gradually move to the first groove 41 from the second groove 42, when the latch bolt 21 completely moves to the lock box 10, the self-eject lock body is in the second state, at the moment, the latch bolt 21 and the square bolt 31 both retract into the lock box 10, the sliding piece 23 abuts against the first groove 41, and the unlocking positioning pin 321 of the push plate 32 abuts against the third groove 52.

When the self-eject lock body is in the second state, the latch bolt 21 starts to drive the pushing rod 22 to move towards the outside of the lock box 10, and the sliding piece 23 fixedly connected with the pushing rod 22 drives the locking start piece 40 to move towards the direction close to the latch bolt 21, so as to drive the locking start piece 40 to rotate around the first positioning pin 61; when the locking start piece 40 rotates, the unlocking positioning piece 50 is driven to rotate by the second protrusion 51 abutting against the locking start piece, and after the unlocking positioning piece 50 rotates, the pushing plate 32 of the second locking bolt assembly 30 is moved away from the third groove 52, so that the second locking bolt assembly 30 is ejected from the lock case 10, and at this time, the sliding piece 23 moves from the first groove 41 to the second groove 42. When both the first and second latch bolt assemblies 20 and 30 are ejected from the lock box 10, the self-unlatching body is in a third state.

The utility model provides a from back trigger device and from lock body of bullet lock body, through set up first spring bolt subassembly 20 in the lock body, second spring bolt subassembly 30 and the start-up piece 40 that locks, make first spring bolt subassembly 20 get into lock box 10 back completely, promptly, first spring bolt subassembly 20 when popping out after touching the buckle when closing the door, second spring bolt subassembly 30 just can stimulate and lock start-up piece 40, it just triggers second spring bolt subassembly 30 and pops out from lock box 10 to lock start-up piece 40, avoid first spring bolt subassembly 20 when touching the buckle not fully get into lock box 10 in just driving second spring bolt subassembly 30 and popping out from lock box 10, the influence is locked from the lock body of bullet.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a back trigger device of lock body of auto-eject, sets up on lock box (10), its characterized in that, back trigger device includes first latch bolt subassembly (20), second latch bolt subassembly (30) and lock start plate (40), when first latch bolt subassembly (20) is popped out again under the effect of resilience force after closing the door and touching the buckle in lock box (10), first latch bolt subassembly (20) stimulate lock start plate (40), lock start plate (40) and trigger second latch bolt subassembly (30) and lock.

2. The rear trigger device as claimed in claim 1, wherein one side of the lock actuating piece (40) includes a first groove (41) and a second groove (42), and a first protrusion (43) is formed at a junction of the first groove (41) and the second groove (42).

3. The rear trigger device as recited in claim 2, wherein the first latch assembly (20) comprises a latch (21) and a push rod (22) fixedly connected with one end of the latch (21), a slide (23) is arranged on the push rod (22), the slide (23) can move back and forth between the first groove (41) and the second groove (42), and when the first latch assembly (20) rebounds to completely enter the lock box (10) after touching the door catch plate, the slide (23) is contacted with the first groove (41); the second bolt assembly (30) comprises a square bolt (31) and a pushing plate (32) fixedly connected with the square bolt (31), and the pushing plate (32) drives the square bolt (31) to enter and exit the lock box (10).

4. The rear trigger assembly of claim 3, wherein the rear trigger assembly includes an unlock positioning tab (50) pivotally connected to the lock activation tab (40), the unlock positioning tab (50) securing the second bolt assembly (30) when the second bolt assembly (30) is fully moved into the lock case (10); one end of the unlocking positioning sheet (50) is provided with a second bulge (51), the other end of the unlocking positioning sheet (50) is provided with a third groove (52), and the second bulge (51) abuts against one end of the locking starting sheet (40); the rear trigger device comprises three states in the locking process.

5. The rear trigger device as claimed in claim 4, wherein when the first bolt assembly (20) is fully inserted into the lock case (10), the lock actuation plate (40) rotates and drives the unlocking positioning plate (50) to rotate, and the second bolt assembly (30) is disengaged from the unlocking positioning plate (50).

6. Rear trigger device according to claim 4, characterized in that when the self-eject lock body is in the first state, the latch tongue (21) is removed from the lock case (10), the square tongue (31) is retracted into the lock case (10), the slide (23) abuts against the second recess (42), and the push plate (32) is fixed in the lock case (10).

7. Rear trigger device according to claim 4, characterized in that when the self-eject lock body is in the second state, both the latch bolt (21) and the square bolt (31) are retracted into the lock case (10), and the slide (23) abuts against the first recess (41).

8. The rear trigger device according to claim 4, wherein when the self-eject lock body is in the third state, the latch bolt (21) and the square bolt (31) are both moved out of the lock box (10), the slide plate (23) abuts against the second groove (42), and the push plate (32) drives the square bolt (31) to move out of the lock box (10).

9. Rear trigger device according to claim 4, characterized in that an unlocking positioning pin (321) is provided on the pushing plate (32), and when the square bolt (31) is moved into the lock case (10), the unlocking positioning pin (321) is disposed in the third recess (52) of the unlocking positioning piece (50).

10. A self-eject lock body including a rear trigger arrangement as claimed in any one of claims 1 to 9.