CN218815764U

CN218815764U - Vice tongue subassembly and lock thereof

Info

Publication number: CN218815764U
Application number: CN202221901092.7U
Authority: CN
Inventors: 柳小勇; 王程
Original assignee: Zhongheng Group Co ltd
Current assignee: Zhongheng Group Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-04-07
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses an auxiliary tongue assembly, which comprises a lock body bottom shell, a top and bottom rod, an auxiliary tongue fixing plate and an auxiliary tongue shifting fork, wherein the auxiliary tongue is fixedly connected with the auxiliary tongue fixing plate; the auxiliary bolt fixing plate is connected to a limiting shaft of the lock body bottom shell in a sliding mode, the auxiliary bolt shifting fork is connected to the limiting shaft of the lock body bottom shell in a sliding mode through a shifting fork waist-shaped through hole, the shifting fork waist-shaped through hole is connected with the fixing plate fixing shaft in a sliding mode, the U-shaped notch is movably connected to a ground rod fixing shaft of the ground lever, the auxiliary bolt shifting fork is driven to rotate through the ground rod, and then unlocking and locking of the auxiliary bolt are driven; simultaneously the utility model also discloses a lock that contains this vice tongue subassembly. The auxiliary bolt assembly is simple in structure and stable in operation, and can be perfectly matched with a main bolt, an oblique bolt, a ground rod, a safety bolt and the like in a lock body, so that the door lock is labor-saving in unlocking, and is not easy to block and trip.

Description

Vice tongue subassembly and lock thereof

Technical Field

The utility model belongs to the technical field of mechanical lock technique and specifically relates to a vice tongue subassembly and lock thereof.

Background

Some high-end door locks in the current market all contain auxiliary tongues, because the unlocking of a lock body needs the linkage of various parts such as a lock bolt, the auxiliary tongues and a ground and top rod, the internal structure of the existing mechanical lock is complex, especially the auxiliary tongues need to undertake the linkage with the ground and top rods and a main lock bolt, the complex structure increases the production difficulty and the production cost, and simultaneously, the lock body is easy to operate unstably, so that the unlocking force is too large, and a key is broken in the unlocking process; if the lock body with the structure is used in an electronic lock, the door opening time is greatly wasted and the electric energy is wasted.

Aiming at a plurality of defects of the existing auxiliary tongue assembly on the market, the auxiliary tongue assembly is developed by knocking to be solved:

1. the auxiliary tongue component has simple and stable structure;

2. the auxiliary bolt assembly can be in barrier-free fit with the ground rod and the bolt, so that the problem that a key cannot be unlocked due to clamping stagnation of an internal structure is reduced;

disclosure of Invention

The to-be-solved technical problem of the utility model is, it is not enough to prior art, through the rotation of the vice tongue shift fork of world pole drive, and then drive unblanking and shutting of vice tongue. The auxiliary bolt assembly has simple, stable and efficient structure, and ensures that the auxiliary bolt, the top and bottom rod and the main bolt are matched without obstacles.

The utility model adopts the following technical scheme:

the auxiliary tongue assembly comprises a lock body bottom shell, a top and bottom rod, an auxiliary tongue fixing plate and an auxiliary tongue shifting fork, wherein the auxiliary tongue is fixedly connected with the auxiliary tongue fixing plate, a fixing plate waist-shaped through hole and a fixing plate fixing shaft are fixedly arranged on the auxiliary tongue fixing plate, and a shifting fork circular through hole, a shifting fork waist-shaped through hole and a U-shaped notch are fixedly arranged on the auxiliary tongue shifting fork; the auxiliary tongue fixing plate is connected to the limiting shaft of the lock body bottom shell in a sliding mode, the auxiliary tongue shifting fork is connected to the limiting shaft of the lock body bottom shell in a sliding mode through a shifting fork waist-shaped through hole, the shifting fork waist-shaped through hole is connected with the fixing plate fixing shaft in a sliding mode, and the U-shaped notch is connected to the ground rod fixing shaft of the ground lever in a movable mode.

As a preferable scheme of the application, the radian of the rotation of the auxiliary tongue shifting fork is 50-60 degrees.

As the preferable scheme of the application, when the auxiliary tongue shifting fork rotates, the displacement of the fixed shaft of the top and bottom rod in the U-shaped notch is not more than 5mm.

The application also provides a door lock comprising the auxiliary tongue assembly.

As the preferred scheme of the application, the door lock further comprises a lock tongue and a lock tongue fixing plate, wherein the lock tongue is fixedly connected with the lock tongue fixing plate; the top and bottom rod is fixedly provided with a top and bottom rod parallel waist-shaped through hole and a top and bottom rod oblique waist-shaped through hole, and the top and bottom rod is connected with the lock tongue fixing plate in a sliding manner through the top and bottom rod oblique waist-shaped through hole and the fixing shaft.

As a preferred scheme of the application, the lock further comprises a poking assembly, wherein the poking assembly comprises a chute plate and a lock tongue poking wheel, the chute plate is fixedly connected in the lock body bottom shell, a chute is fixedly arranged on the chute plate, the chute and the lock tongue poking wheel are both arc-shaped, and the lock tongue poking wheel is a sector gear with teeth on the outer arc; the gear plate with the spring bolt fixed plate rotates to be connected, when the spring bolt thumb wheel slides in the spout, sector gear with the gear plate meshing drives the motion of spring bolt fixed plate, opens or closed spring bolt.

The working principle is as follows:

the auxiliary bolt assembly comprises a lock body bottom shell, a top and bottom rod, an auxiliary bolt fixing plate and an auxiliary bolt shifting fork, the top and bottom rod is driven by the stretching of the lock bolt to move in the unlocking or locking process, the auxiliary bolt shifting fork is driven to rotate by the motion of the top and bottom rod, the unlocking and locking of the auxiliary lock bolt are further driven, and the coordinated motion of the main lock bolt, the auxiliary bolt and the top and bottom rod is perfectly realized.

The beneficial effects of the utility model are that, through the vice tongue subassembly of the extremely simple structure, the linkage of ingenious realization main spring bolt, vice lock tongue, world pole, perfect realization is unblanked and is locked, and this design lets lock body simple structure, and the operation is more stable, unblanks more laborsavingly, is difficult for appearing the card phenomenon of jumping the shelves of dying.

Drawings

FIG. 1 is a schematic structural view of an unlocking state of an auxiliary tongue according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the embodiment of the present invention showing the locked state of the auxiliary tongue;

FIG. 3 is a schematic structural view of a ground rod according to an embodiment of the present invention;

FIG. 4 is a schematic view of a shift fork with auxiliary tongue according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of an auxiliary tongue according to an embodiment of the present invention;

FIG. 6 is a schematic view of a door lock according to an embodiment of the present invention;

in the attached drawings, 1 bottom shell, 11 limiting shafts, 2 ground rods, 21 ground rod fixing shafts, 22 ground rod parallel waist-shaped through holes, 23 ground rod oblique waist-shaped through holes, 3 pairs of tongues, 4 pairs of tongue fixing plates, 41 fixing plate waist-shaped through holes, 42 fixing plate fixing shafts, 5 pairs of tongue shifting forks, 51 shifting fork circular through holes, 52 shifting fork waist-shaped through holes, 53U type notches, 61 locking tongues, 62 locking tongue fixing plates, 71 sliding groove plates, 72 locking tongue shifting wheels and 73 gear plates.

Detailed Description

The following examples are given in connection with the accompanying drawings to further illustrate the embodiments of the present application. It should be noted that, in the present application, the embodiments and the features in the embodiments may be combined with each other without conflict, and the present invention is not limited to the description of the embodiments below.

In the description of the present invention, it should be understood that the terms "center", "counterclockwise", "clockwise", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "bottom", "top", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-5, an embodiment of the present invention provides an auxiliary tongue assembly, including a lock body bottom case 1, a ground rod 2, an auxiliary tongue 3, an auxiliary tongue fixing plate 4 and an auxiliary tongue shifting fork 5, wherein the auxiliary tongue 3 is fixedly connected to the auxiliary tongue fixing plate 4, the auxiliary tongue fixing plate 4 is fixedly provided with a fixing plate waist-shaped through hole 41 and a fixing plate fixing shaft 42, and the auxiliary tongue shifting fork 5 is fixedly provided with a shifting fork circular through hole 51, a shifting fork waist-shaped through hole 52 and a U-shaped notch 53; the auxiliary tongue fixing plate 4 is connected to the limiting shaft 11 of the lock body bottom shell 1 in a sliding mode through a fixing plate waist-shaped through hole 41, the auxiliary tongue shifting fork 5 is connected to the limiting shaft 11 of the lock body bottom shell 1 in a rotating mode through a shifting fork circular through hole 51, a shifting fork waist-shaped through hole 52 is connected with the fixing plate fixing shaft 42 in a sliding mode, and the U-shaped notch 53 is movably connected to the world rod fixing shaft 21 of the world rod 2.

When the locking state is carried out, the top and bottom rod 2 moves outwards (extends) horizontally, at the moment, the top and bottom rod fixing shaft 21 drives the auxiliary tongue shifting fork 5 to rotate (anticlockwise) by shifting the U-shaped notch 53, and when the auxiliary tongue shifting fork 5 rotates, the auxiliary tongue shifting fork waist-shaped through hole 52 pushes the fixing plate fixing shaft 42 to move so as to extend the auxiliary tongue 3; when the lock is unlocked, the top and bottom rods 2 move horizontally inwards (retracted), at the moment, the top and bottom rod fixing shaft 21 drives the auxiliary tongue shifting fork 5 to rotate (clockwise) by shifting the U-shaped notch 53, and when the auxiliary tongue shifting fork 5 rotates, the auxiliary tongue shifting fork waist-shaped through hole 52 pushes the fixing plate fixing shaft 42 to move, so that the auxiliary tongue is retracted.

In order to ensure that the auxiliary tongue shifting fork 5 exerts force uniformly and rotates stably in the rotating process, the rotating radian of the auxiliary tongue shifting fork 5 is 50-60 degrees, and the displacement of the top and bottom rod fixing shaft 21 in the U-shaped notch is not more than 5mm.

Example 2

The embodiment provides a door lock (refer to fig. 6), which comprises a lock tongue 61 and a lock tongue fixing plate 62 besides the auxiliary tongue assembly of embodiment 1, wherein the lock tongue 61 is fixedly connected with the lock tongue fixing plate 62; the upper and lower rods 2 are fixedly provided with an upper and lower rod parallel waist-shaped through hole 22 and an upper and lower rod oblique waist-shaped through hole 23, and the upper and lower rods 2 are slidably connected with the bolt fixing plate 62 through the upper and lower rod oblique waist-shaped through hole 23 and the fixing shaft; the parallel waist-shaped through

holes

22,2 top and bottom bars are respectively connected to the bottom shell and the upper cover of the lock body in a sliding mode.

The present embodiment uses the toggle assembly to toggle the bolt securing plate 62, so as to extend (lock) or retract (unlock) the bolt 61. In the process of extending or retracting the lock tongue, the lock tongue fixing plate fixing shaft 63 pushes the top and bottom rod 2 to move (extend or retract) through the inclined waist-shaped through hole 23 of the top and bottom lever, so that the auxiliary tongue 3 is locked and unlocked

The striking assembly of the embodiment comprises a sliding groove plate 71, a bolt striking wheel 72 and a gear plate 73, wherein the sliding groove plate 71 is fixedly connected in a bottom shell of the lock body, a sliding groove is fixedly arranged on the sliding groove plate 71, the sliding groove and the bolt striking wheel are both arc-shaped, and the bolt striking wheel 72 is a sector gear with teeth on the outer arc; the gear plate 73 is rotatably connected to the latch bolt fixing plate 62, and when the latch bolt thumb wheel 72 slides in the sliding slot, the sector gear thereof is engaged with the gear plate 73 to drive the latch bolt fixing plate 62 to move, so as to open or close the latch bolt 61.

The key that this embodiment chose to have the thumb wheel drives the lock core and dials the subassembly and unblank or lock, and in the practical application, also can choose motor drive thumb wheel to realize unblanking or locking for use.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. An auxiliary bolt assembly comprises a lock body bottom shell, a top and bottom rod and an auxiliary bolt, and is characterized by further comprising an auxiliary bolt fixing plate and an auxiliary bolt shifting fork, wherein the auxiliary bolt is fixedly connected with the auxiliary bolt fixing plate, a fixing plate waist-shaped through hole and a fixing plate fixing shaft are fixedly arranged on the auxiliary bolt fixing plate, and a shifting fork circular through hole, a shifting fork waist-shaped through hole and a U-shaped notch are fixedly arranged on the auxiliary bolt shifting fork; the auxiliary tongue fixing plate is connected to the limiting shaft of the lock body bottom shell in a sliding mode, the auxiliary tongue shifting fork is connected to the limiting shaft of the lock body bottom shell in a sliding mode through a shifting fork waist-shaped through hole, the shifting fork waist-shaped through hole is connected with the fixing plate fixing shaft in a sliding mode, and the U-shaped notch is movably connected to the ground rod fixing shaft of the ground lever.

2. The assembly of claim 1, wherein the yoke rotates through an arc of 50-60 degrees.

3. The latch assembly of claim 1 wherein said fixed shaft is displaced no more than 5mm in said U-shaped recess when said latch fork is rotated.

4. A door lock comprising the sub-tongue assembly of any one of claims 1 to 3.

5. The door lock of claim 4, further comprising a bolt and a bolt fixing plate, wherein the bolt is fixedly connected with the bolt fixing plate; the top and bottom rod is fixedly provided with a top and bottom rod parallel waist-shaped through hole and a top and bottom rod oblique waist-shaped through hole, and the top and bottom rod is connected with the lock tongue fixing plate in a sliding manner through the top and bottom rod oblique waist-shaped through hole and the fixing shaft.

6. The door lock of claim 5, further comprising a toggle assembly, wherein the toggle assembly comprises a chute plate and a lock tongue toggle wheel, the chute plate is fixedly connected in the lock body bottom shell, a chute is fixedly arranged on the chute plate, the chute and the lock tongue toggle wheel are both arc-shaped, and the lock tongue toggle wheel is a sector gear with teeth on the outer arc; the gear plate with the spring bolt fixed plate rotates to be connected, when the spring bolt thumb wheel slides in the spout, sector gear with the gear plate meshing drives the motion of spring bolt fixed plate, opens or closed spring bolt.