CN211201403U

CN211201403U - Latch bolt module and door lock

Info

Publication number: CN211201403U
Application number: CN201921281719.1U
Authority: CN
Inventors: 沈汉标; 王妙玉; 童威云; 杨思民; 柏小军
Original assignee: Guangdong Ketyoo Intelligent Technology Co Ltd
Current assignee: Guangdong Hotata Smart Home Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-08-07
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses an oblique tongue module, the oblique tongue module is installed on the lock casing of lock body, the oblique tongue module includes oblique tongue subassembly and locating component, wherein, the oblique tongue subassembly includes slide, oblique tongue and elastic component, the oblique tongue can be installed in the front end of slide with rotating and can pass the lock casing and stretch out outwards, the oblique tongue is used for cooperating with the oblique tongue hole on the door frame, the slide can be installed in the lock casing with sliding, the elastic component is used for providing the oblique tongue and can stretch out the external elastic force of lock casing; the locating component can be rotatably installed in the lock shell, and the locating component can rotate to be matched with the sliding seat under the action of external force, or rotate to be separated from the sliding seat under the action of external force. This latch bolt module can realize opening of door through the door of this latch bolt module of promotion installation, uses more convenient under emergency. The utility model also discloses an use the lock that has foretell latch bolt module.

Description

Latch bolt module and door lock

Technical Field

The utility model relates to a tool to lock accessory technical field especially relates to a latch bolt module and lock.

Background

The door lock is a device for locking a door, and in an existing door lock structure, generally includes a latch bolt module, such as an electric door lock disclosed in chinese patent 201010139115.0, the latch bolt module of the electric door lock includes a latch bolt, a return spring, a latch bolt sliding piece, and a latch bolt toggle mechanism, wherein the latch bolt toggle mechanism includes a door handle, the return spring is used to provide an elastic force extending outwards to the latch bolt, and the latch bolt is toggled to retract through the door handle, thereby realizing the opening of the door.

However, since the latch bolt is connected to the door handle through the intermediate transmission member in the above-mentioned electric door lock, when the door on which the electric door lock is installed is closed, in a situation where the hands of a user are inconvenient (for example, the user carries heavy objects with both hands), the user has to put the heavy objects down to empty both hands first and then open the door by twisting the door handle, which is not convenient enough.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a latch bolt module, the door installed with the latch bolt module through the promotion can realize opening of the door, and the use is more convenient under emergency.

The second objective of the present invention is to provide a door lock with the latch bolt module.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the latch bolt module, the latch bolt module is installed on the lock casing of lock body, includes:

the oblique tongue assembly comprises a sliding seat, an oblique tongue and an elastic piece, the sliding seat can be slidably installed in the lock shell, the oblique tongue can be rotatably installed at the front end of the sliding seat and can penetrate through the lock shell to extend outwards, the oblique tongue is used for being matched with an oblique tongue hole in a door frame, and the elastic piece is used for providing elastic force capable of extending out of the lock shell for the oblique tongue;

the positioning assembly can be rotatably installed in the lock shell, and can rotate to be matched with the sliding seat under the action of external force or rotate to be separated from the sliding seat under the action of external force.

Furthermore, the rear end of the sliding seat is provided with a sliding stopping groove which is detachably matched with the positioning assembly.

Further, the shape of the sliding stopping groove is V-shaped or L-shaped.

Further, the oblique tongue is including connecting portion and triangle location portion that are connected, connecting portion can install with rotating in the side of the front end of slide, just triangle location portion protrusion in the preceding terminal surface setting of slide, just the side of triangle location portion is along being close to the direction of the preceding terminal surface of slide extends and forms the bulge, the bulge with the first end of the relative one side of the preceding terminal surface of slide with the preceding end face contact of slide, the bulge with the second end of the relative one side of the preceding terminal surface of slide with form between the preceding terminal surface of slide and dodge the space, for the oblique tongue can move towards the slide upset.

Furthermore, the number of the inclined tongues is two, the two inclined tongues can be respectively and rotatably installed on two sides of the front end of the sliding seat, and the two inclined tongues are arranged in a staggered mode.

Further, the elastic component is a first torsion spring, the first torsion spring can be rotatably installed in the lock shell, a first free end of the first torsion spring is abutted to a first inner side wall of the lock shell, the first inner side wall is perpendicular to a second inner side wall of the lock shell, the second free end of the first torsion spring is inserted in the torsion spring groove, and the second inner side wall of the lock shell is abutted to the second inner side wall of the inclined tongue extending out of the slide.

Further, locating component includes locating plate, lower locating plate, first spliced pole, pivotal axis and second spliced pole, the both ends of pivotal axis respectively with the upper and lower two sides of lock casing are connected, upper locating plate, lower locating plate all overlap and locate on the pivotal axis and with pivotal axis pivotal connection, the pivotal axis is located between first spliced pole and the second spliced pole, just pivotal axis, first spliced pole and second spliced pole three's the central axis is parallel to each other, the both ends of first spliced pole and second spliced pole respectively with upper locating plate, lower locating plate fixed connection, the second spliced pole can with the cooperation can be dismantled to the slide.

Further, the second connecting column is sleeved with an anti-abrasion cylinder, and the anti-abrasion cylinder is suitable for being detachably matched with the sliding seat.

Further, the bottom wall of slide is close to locating component's position department has seted up and has dodged the groove, it is used for supplying to dodge the groove the locating plate down is close to the tip of second spliced pole freely passes.

Further, the locating component still including be used for the second spliced pole provide keep with slide complex second torsional spring, the second torsional spring cover is located on the pivotal axis, first spliced pole with second spliced pole dislocation arrangement, just the first free end of second torsional spring with first spliced pole butt, the second free end of second torsional spring with the second spliced pole butt.

The second purpose of the utility model is realized by adopting the following technical scheme:

the door lock comprises the latch bolt module.

Compared with the prior art, the beneficial effects of the utility model reside in that:

through setting up locating component, this locating component can dismantle the cooperation with the slide, when this locating component and slide cooperation, the slide can be at locating component support under the effect and by the top tight, make the oblique tongue can not the free activity, at this moment, can realize installing the reliable locking between door and the door frame of this oblique tongue module, and when locating component and slide break away from the cooperation, the slide can freely slide in the lock casing, because the oblique tongue can install on the slide with rotating, through promoting the door, make the oblique tongue receive the effect of supporting of door frame and overturn, make the slide retract inwards, thereby drive the oblique tongue and slide inwards, realize opening of door, and need not open the door through the retraction of door handle drive oblique tongue, it is more convenient to use.

Drawings

Fig. 1 is a schematic structural view of the latch bolt module of the present invention installed in the lock housing of the lock body;

FIG. 2 is a perspective view of the latch bolt module shown in FIG. 1;

FIG. 3 is an exploded view of the latch bolt assembly of the latch bolt module shown in FIG. 2 in a first viewing angle state;

FIG. 4 is an exploded view of the latch bolt assembly of the latch bolt module shown in FIG. 2 in a second viewing condition;

FIG. 5 is a perspective view of the positioning assembly of the latch bolt module shown in FIG. 2.

In the figure: 1. a lock housing; 4. a latch bolt assembly; 41. a slide base; 411. a stopping chute; 412. an avoidance groove; 413. a torsion spring groove; 414. a guide portion; 42. a latch bolt; 421. a connecting portion; 422. a triangular positioning part; 423. a projection; 424. avoiding a space; 43. a first torsion spring; 44. positioning the shaft; 5. a positioning assembly; 51. an upper positioning plate; 52. a lower positioning plate; 53. a first connecting column; 54. a pivotal shaft; 55. a second connecting column; 56. an anti-wear cylinder; 57. a second torsion spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Referring to fig. 1-2, a latch bolt module according to a preferred embodiment of the present invention is shown, which is installed on a lock housing 1 of a lock body, and includes a latch bolt assembly 4 and a positioning assembly 5, wherein the latch bolt assembly 4 includes a sliding base 41, a latch bolt 42 and an elastic member, the latch bolt 42 is rotatably installed at a front end of the sliding base 41 and can penetrate through the lock housing 1 to extend outward, the latch bolt 42 is used for being matched with a latch bolt 42 hole on a door frame, the sliding base 41 is slidably installed in the lock housing 1 to drive the latch bolt 42 to extend outward or retract inward, and the elastic member is used for providing an elastic force for the latch bolt 42 to extend out of the lock housing 1, so that the latch bolt 42 is always in an outward extending state when not being subjected to an external force; the positioning assembly 5 can be rotatably mounted in the lock housing 1, and the positioning assembly 5 can be rotated into engagement with the slide base 41 under the action of an external force (e.g., by a toggle force of a locking assembly disposed in the lock housing 1), or rotated out of engagement with the slide base 41 under the action of an external force (e.g., by a toggle force of a driving module mounted in the lock housing 1).

The utility model discloses an oblique tongue module, through setting up locating component 5, this locating component 5 can dismantle the cooperation with slide 41, when this locating component 5 cooperates with slide 41, slide 41 can be under locating component 5 support the effect and tightly by the top, make oblique tongue 42 can not free activity, at this moment, can realize the reliable locking between the door and the doorframe of installing this oblique tongue module, and when locating component 5 breaks away from the cooperation with slide 41, slide 41 can be in lock casing 1 free slip, because oblique tongue 42 can install on slide 41 with rotating, through promoting the door, make oblique tongue 42 receive the effect of supporting of door frame and overturn, make slide 41 slide inwards, thereby drive oblique tongue 42 and withdraw inwards, realize opening of door, and need not withdraw and open the door through door handle drive oblique tongue 42, it is more convenient to use.

Specifically, in order to realize the sliding connection between the sliding seat 41 and the lock housing 1, the upper and lower surfaces of the lock housing 1 are both provided with a guide groove, and the upper and lower end surfaces of the sliding seat 41 both extend outward to form a guide portion 414, and the guide portion 414 is slidably matched with the guide groove.

As shown in fig. 1 and 3, as a preferred embodiment, the rear end of the sliding seat 41 is provided with a sliding-stopping groove 411 for detachably engaging with the positioning assembly 5, and when the positioning assembly 5 rotates to engage with the sliding-stopping groove 411 under the action of external force, the sliding seat 41 can be reliably limited, and as a preferred embodiment, the sliding-stopping groove 411 is V-shaped or L-shaped.

As shown in fig. 4, the latch 42 includes a connecting portion 421 and a triangular positioning portion 422 connected to each other, the connecting portion 421 is rotatably mounted on a side surface of the front end of the sliding seat 41 through the positioning shaft 44, the triangular positioning portion 422 is disposed to protrude from the front end surface of the sliding seat 41, a side surface of the triangular positioning portion 422 extends in a direction close to the front end surface of the sliding seat 41 to form a protruding portion 423, a first end of a surface of the protruding portion 423 opposite to the front end surface of the sliding seat 41 contacts the front end surface of the sliding seat 41, and an escape space 424 is formed between a second end of the surface of the protruding portion 423 opposite to the front end surface of the sliding seat 41 and the front end surface of the sliding seat 41, so that the latch 42 can be turned over toward the sliding seat 41 and exert an acting force on the sliding seat 41, thereby pushing the sliding seat 41.

In a preferred embodiment, two latch tongues 42 are provided, two latch tongues 42 are rotatably mounted on two opposite sides of the front end of the slide carriage 41, and the two latch tongues 42 are disposed in a staggered manner, so that the latch tongues 42 can be more reliably engaged with the holes of the latch tongues 42 on the door frame.

Specifically, the elastic member is a first torsion spring 43, as shown in fig. 1, the first torsion spring 43 has a first positioning ring, the positioning ring is rotatably installed in the lock housing 1 through the positioning column, a first free end of the first torsion spring 43 abuts against a first inner side wall of the lock housing 1, the first inner side wall is perpendicular to a second inner side wall of the lock housing 1, through which the latch tongue 42 extends, a torsion spring groove 413 is formed in the slide 41, and a second free end of the first torsion spring 43 is inserted into the torsion spring groove 413, so that the connection between the first torsion spring 43 and the slide 41 is more reliable, and the latch tongue 42 can reliably extend outward.

As shown in fig. 5, the positioning assembly 5 includes an upper positioning plate 51, a lower positioning plate 52, a first connecting column 53, a pivot shaft 54 and a second connecting column 55, two ends of the pivot shaft 54 are respectively connected with the upper and lower surfaces of the lock housing 1, the upper positioning plate 51 and the lower positioning plate 52 are both sleeved on the pivot shaft 54 and are pivotally connected with the pivot shaft 54, the pivot shaft 54 is located between the first connecting column 53 and the second connecting column 55, the central axes of the pivot shaft 54, the first connecting column 53 and the second connecting column 55 are parallel to each other, two ends of the first connecting column 53 and the second connecting column 55 are respectively fixedly connected with the upper positioning plate 51 and the lower positioning plate 52, and the second connecting column 55 can be detachably matched with the slide base 41. The positioning component 5 is driven to rotate towards the sliding seat 41 by taking the pivot shaft 54 as a rotation center through driving one end of the positioning component 5 close to the first connecting column 53, so that the second connecting column 55 is reliably matched with the anti-slip groove 411, and the positioning component 5 is driven to rotate towards a direction far away from the sliding seat 41 by taking the pivot shaft 54 as a rotation center through driving one end of the positioning component 5 close to the second connecting column 55, so that the second connecting column 55 is disengaged from the anti-slip groove 411.

In order to avoid the abrasion of the second connecting column 55, an anti-abrasion cylinder 56 is sleeved on the second connecting column 55, and the anti-abrasion cylinder 56 is suitable for being detachably matched with the sliding seat 41, so that the service life of the positioning assembly 5 is prolonged.

Further, an avoiding groove 412 is formed in the bottom wall of the sliding seat 41 at a position close to the positioning component 5, and the avoiding groove 412 is used for allowing the end portion of the lower positioning plate 52 close to the second connecting column 55 to freely pass through, so that the second connecting column 55 and the anti-slip groove 411 are more reliably matched.

In order to further improve the reliable fit between the second connecting column 55 and the anti-slip groove 411, the positioning assembly 5 further includes a second torsion spring 57 for providing a force to the second connecting column 55 to keep fitting with the sliding seat 41, a second positioning ring of the second torsion spring 57 is sleeved on the pivot shaft 54, the first connecting column 53 and the second connecting column 55 are arranged in a staggered manner, a first free end of the second torsion spring 57 abuts against the first connecting column 53, and a second free end of the second torsion spring 57 abuts against the second connecting column 55.

The utility model relates to a door lock of preferred embodiment, including foretell latch bolt module.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The latch bolt module, the latch bolt module is installed on the lock casing of lock body, its characterized in that includes:

2. The latch module according to claim 1, wherein the rear end of the slide base is formed with a slide stop groove for detachable engagement with the positioning member.

3. The latch module according to claim 2, wherein the shape of the detent groove is a V-shape or L-shape.

4. The latch bolt module according to claim 1, wherein the latch bolt comprises a connecting portion and a triangular positioning portion, the connecting portion is rotatably mounted on a side surface of the front end of the sliding seat, the triangular positioning portion protrudes from the front end surface of the sliding seat, the side surface of the triangular positioning portion extends in a direction close to the front end surface of the sliding seat to form a protruding portion, a first end of a surface of the protruding portion opposite to the front end surface of the sliding seat contacts with the front end surface of the sliding seat, and an avoiding space is formed between a second end of the surface of the protruding portion opposite to the front end surface of the sliding seat and the front end surface of the sliding seat, so that the latch bolt can turn towards the sliding seat.

5. The latch bolt module according to claim 1, wherein the resilient member is a first torsion spring rotatably mounted in the lock housing, a first free end of the first torsion spring abuts against a first inner sidewall of the lock housing, the first inner sidewall is perpendicular to a second inner sidewall of the lock housing, through which the latch bolt extends, the slide base is provided with a spring slot, and a second free end of the first torsion spring is inserted into the spring slot.

6. The latch bolt module according to claim 1, wherein the positioning assembly comprises an upper positioning plate, a lower positioning plate, a first connecting post, a pivot shaft and a second connecting post, two ends of the pivot shaft are respectively connected with the upper surface and the lower surface of the lock housing, the upper positioning plate and the lower positioning plate are both sleeved on the pivot shaft and are pivotally connected with the pivot shaft, the pivot shaft is located between the first connecting post and the second connecting post, the central axes of the pivot shaft, the first connecting post and the second connecting post are parallel to each other, two ends of the first connecting post and the second connecting post are respectively fixedly connected with the upper positioning plate and the lower positioning plate, and the second connecting post can be detachably matched with the slide seat.

7. The latch module of claim 6, wherein said second connecting post is sleeved with a wear sleeve, said wear sleeve adapted to removably engage said slide.

8. The latch bolt module according to claim 6, wherein an avoiding groove is formed in the bottom wall of the slide base at a position close to the positioning component, and the avoiding groove is used for allowing the end portion of the lower positioning plate close to the second connecting column to freely pass through.

9. The latch module according to claim 6, wherein the positioning assembly further comprises a second torsion spring for providing the second connection post with a space for holding the second torsion spring engaged with the slide seat, the second torsion spring is sleeved on the pivot shaft, the first connection post and the second connection post are arranged in a staggered manner, the first free end of the second torsion spring abuts against the first connection post, and the second free end of the second torsion spring abuts against the second connection post.

10. Door lock, characterized in that it comprises a latch bolt module according to any of claims 1 to 9.