CN215927064U

CN215927064U - Novel door lock

Info

Publication number: CN215927064U
Application number: CN202120825647.3U
Authority: CN
Inventors: 余海影
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-03-01
Anticipated expiration: 2031-04-21

Abstract

A novel door lock comprises a lock body and a buckle box; the buckle box is provided with a buckle slot and a first magnet; the lock body comprises a shell, a lock tongue, a rotary drive plate, a handle drive plate and a sliding block, wherein the lock tongue, the rotary drive plate, the handle drive plate and the sliding block are positioned in the shell; the lock tongue is provided with a second magnet and can move transversely relative to the shell; a toggle part is protruded on the periphery of the handle drive plate, and a pressed part is arranged on the lock tongue; a first limiting part protrudes from the periphery of the rotary driving plate, and a second limiting part is arranged on the lock tongue; the slider includes first end, second end, and the slider can slide for the casing, is provided with a top portion of pushing away on the rotatory driver plate, and the externally mounted of casing has the knob of the synchronous hookup of rotatory driver plate, the handle of the synchronous hookup of handle driver plate. When the door plate of the door lock is in an opening state, the knob for reversely locking the door plate is in a locking state and cannot be rotated, so that misoperation of the knob when the door plate is opened is avoided.

Description

Novel door lock

Technical Field

The utility model relates to the technical field of locks, in particular to a novel door lock.

Background

The lock is by the wide application in the door, office door, among scenes such as bathroom door, it is general including installing the knot box on the door frame, and install the lock body on the door plant, set up the spring bolt on the lock body, a handle, through the operating handle, drive spring bolt lateral shifting, make the spring bolt stretch out the outside embedding of lock body in order to lock the door plant in the knot box, or drive the spring bolt and contract completely in the lock body, in order to open the lock, in addition, in order to improve the security of lock, still need dispose a knob that can realize the anti-lock function usually, be in the closed condition at the door plant, and the spring bolt is when embedding the state of detaining the box, rotate the knob, realize the anti-lock function, thus, under the prerequisite that does not have the key, prevent that the lock from being opened from the outside.

The existing door lock is in an open state on a door plate, and a bolt is completely contracted in the lock body, and a knob can be rotated, so that misoperation can be frequently caused, normal use of the door lock is influenced, and inconvenience is caused when the door lock is used.

SUMMERY OF THE UTILITY MODEL

In view of the shortcomings of the prior art, the present invention aims to provide a novel door lock which can prevent the misoperation of a knob for back locking in a door opening state.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a novel door lock comprises a lock body and a buckle box;

the buckle box is provided with a buckle slot with an opening facing the lock body, and the buckle box is provided with a first magnet;

the lock body comprises a shell, a lock tongue, a rotary drive plate, a handle drive plate and a sliding block, wherein the lock tongue, the rotary drive plate, the handle drive plate and the sliding block are positioned in the shell;

the end of the bolt close to the buckle box is provided with a second magnet which is matched with the first magnet in a magnetic attraction mode, and the bolt can transversely move relative to the shell between a locking position where the bolt extends out of the shell and is inserted into the buckle slot and an opening position where the bolt is contracted in the shell;

the handle drive plate is in pivot fit with the shell, a stirring part is protruded on the periphery of the handle drive plate, and a pressed part is arranged on the lock tongue and used for stirring the pressed part when the handle drive plate rotates clockwise so that the lock tongue moves from a locking position to an opening position;

the rotary driving plate is in pivot fit with the shell, a first limiting part is protruded on the periphery of the rotary driving plate, a second limiting part is arranged on the spring bolt, when the spring bolt is in an opening position, the first limiting part is in contact with the second limiting part and is mutually matched to form a limiting mechanism for preventing the rotary driving plate from rotating anticlockwise, and when the spring bolt is in a locking position, the first limiting part is separated from the second limiting part;

the sliding block comprises a first end and a second end opposite to the first end, the sliding block can slide relative to the shell between a first position far away from the handle drive plate and a second position close to the handle drive plate, the rotary drive plate is provided with a pushing part, the pushing part is used for pushing the first position of the sliding block to the second position when the rotary drive plate rotates, and when the sliding block is at the second position, the second end of the sliding block is abutted against the handle drive plate so that the handle drive plate and the shell are kept fixed;

the exterior of the housing is mounted with a knob synchronously coupled with the rotary dial, and a handle synchronously coupled with the handle dial.

A first elastic element is further arranged between the sliding block and the shell, and elastic stress provided by the first elastic element is used for enabling the sliding block to always keep the trend of moving from the second position to the first position.

The first elastic element is a torsion spring, one end of the torsion spring is abutted against the shell, and the other end of the torsion spring is abutted against the sliding block.

The shell is provided with a limit bump for limiting the counterclockwise rotation of the handle dial.

The top of the inner cavity of the shell is provided with an upper chute, the bottom of the inner cavity of the shell is provided with a lower chute, the spring bolt comprises a transmission rod which is slidably arranged in the upper chute and a magnet sleeve which is fixed at one end of the transmission rod close to the buckle box, and a second magnet is fixed in the magnet sleeve; the sliding block is arranged in the lower sliding groove in a sliding manner.

The rotary driving plate is provided with a mounting hole, a second elastic element and a positioning steel ball are embedded in the mounting hole, two grooves for embedding the positioning steel ball are formed in the inner surface of the shell, the two grooves are distributed along the circumferential direction of the rotary driving plate, one end of the second elastic element abuts against the inner side end of the mounting hole, and the other end of the second elastic element abuts against the positioning steel ball.

A third elastic element is arranged between the bolt and the shell, and elastic stress provided by the third elastic element is used for enabling the bolt to always keep the trend of moving from the locking position to the opening position.

A knob square core is connected to the rotary driving plate in a penetrating mode, two ends of the knob square core penetrate through two side walls of the shell respectively, the knob is connected to one end of the knob square core, and the other end of the knob square core is connected with a lock with a key hole.

A handle square core is connected on the handle drive plate in a penetrating way, two ends of the handle square core respectively penetrate through two side walls of the shell, and two ends of the handle square core are respectively connected with a handle.

The utility model has the beneficial effects that:

compared with the prior art, when the door panel is in an open state, the knob for reversely locking the door panel is in a locked state and cannot be rotated, so that misoperation of the knob when the door panel is opened is avoided, and meanwhile, when the door panel and the door frame are locked by the lock tongue, the knob returns to rotate freely, reverse locking can be realized by rotating the knob, and meanwhile, the knob is rotated to lock the handle, so that the safety of the door lock is further improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the lock body of FIG. 1;

FIG. 3 is a schematic view of an operating state of the present invention;

FIG. 4 is a schematic view of another operating condition of the present invention;

FIG. 5 is a schematic diagram of an operating state of the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 and 2, the novel lock of the present invention includes a lock body and a buckle box 70, the lock body is mounted on a door panel, the buckle box 70 is mounted on a door frame, a buckle slot 71 is formed on the buckle box 70, an opening of the buckle slot 71 faces the lock body, and a first magnet is further formed on the buckle box 70. The lock body comprises a shell, a lock tongue 20, a rotary dial 30, a handle dial 40 and a sliding block 50, wherein the shell comprises a front shell 12 and a rear shell 11, the front shell 12 and the rear shell 11 are fixedly connected together, an inner cavity is formed inside the shell, the lock tongue 20, the rotary dial 30, the handle dial 40 and the sliding block 50 are all installed in the inner cavity of the shell, and the shell is arranged into two parts of the front shell 12 and the rear shell 11 so that the lock tongue 20, the rotary dial 30, the handle dial 40 and the sliding block 50 are installed inside the shell. The locking bolt 20 is slidably mounted in the lock body and can move transversely along the lock body, namely, the locking bolt 20 can move between a locking position extending out of the shell and inserted into the buckle groove 71 and an opening position retracted in the shell, a second magnet 22 is arranged at one end of the locking bolt 20 close to the buckle box 70, the second magnet 22 is matched with the first magnet in a magnetic attraction mode, when the locking bolt 20 is in the locking position, the first magnet and the second magnet 22 are attracted, and the locking bolt 20 is kept in the locking position under the magnetic force of the first magnet. The handle dial 40 is pivotally matched with the shell and is positioned at one end of the shell far away from the buckle box 70, the periphery of the handle dial 40 is convexly provided with a toggle part 401, the bolt 20 is provided with a pressed part 231, the wave part 401 is matched with the pressed part 231, when the handle dial 40 rotates clockwise, the toggle part 401 pushes the pressed part 231 to move, so that the bolt 20 moves transversely, and then the bolt 20 moves from the locking position to the opening position. The rotary dial 30 is pivotally matched with the housing, and is positioned at one end of the housing close to the buckle box 70, a first limiting part 301 is convexly arranged on the periphery of the rotary dial 30, a second limiting part 211 is arranged on the bolt 20, when the bolt 20 is in an open position, the bolt 20 is contracted in the housing, the first limiting part 301 is in contact fit with the second limiting part 211, and the first limiting part 301 and the second limiting part 211 form a limiting mechanism which is used for preventing the rotary dial 30 from rotating anticlockwise, when the bolt 20 moves to a locking position, the first limiting part 301 and the second limiting part 211 are separated, at this time, the bolt 20 does not limit the degree of freedom of rotation of the rotary dial 30 any more, and the rotary dial 30 can be freely rotated. The slider 50 is long and includes a first end 51 and a second end 52 opposite to the first end 51, the slider 50 can slide relative to the housing between a first position far away from the handle dial 40 and a second position close to the handle dial 40, the rotary dial 30 is provided with an ejecting portion 303, the ejecting portion 303 can eject the first end 51 of the slider 50, when the slider 50 is at the first position, the rotary dial 30 is rotated counterclockwise, the ejecting portion 303 can eject the slider 50 toward the direction close to the handle dial 40, that is, the slider 50 is ejected from the first position to the second position, and the second end of the slider 50 abuts against the handle dial 40, so that the handle dial 40 and the housing are fixed, specifically, a protruding portion 403 may be provided at the periphery of the handle dial 40, the second end 52 of the slider 50 abuts against the protruding portion 403, at this time, the handle dial 40 cannot rotate clockwise, thereby limiting the handle dial 40. A knob 15 synchronously coupled with the rotary dial 30 and a handle synchronously coupled with the handle dial 40 are also installed at the outside of the housing.

As shown in fig. 3, when the latch tongue 20 is in the open position, the latch tongue 20 is completely retracted inside the housing, and at this time, the door panel can be pushed open, and meanwhile, because the second limit portion 211 on the latch tongue 20 is in contact fit with the first limit portion 301 on the rotary dial 30, the rotary dial 30 cannot be rotated counterclockwise, that is, the knob 15 synchronously coupled with the rotary dial 30 cannot be rotated counterclockwise, that is, when the door panel is in the door open state, the knob 15 cannot be rotated, and thus, the misoperation of the knob 15 in the door open state is avoided. As shown in fig. 4, when the door panel is closed, the locking tongue 20 faces the opening of the catching groove 71 of the catching box 70, and under the action of magnetic force, the locking tongue 20 moves to the locking position, that is, the lock tongue 20 penetrates into the buckle groove 71 to close the door panel, and at the same time, the second limit part 211 on the lock tongue 20 is separated from the first limit part 301 on the rotary dial 30, at this time, the degree of freedom of counterclockwise rotation of the rotary dial 30 is released, in this state, the knob 15 is turned counterclockwise to the state shown in fig. 5, the first position of the slider is pushed to the second position by the pushing portion 303 of the rotary dial 30, the second pushing portion of the slider 50 pushes the protrusion 403 of the handle dial 40, the handle dial 40 is limited to prevent the handle dial 40 from being rotated, so that when the door panel is in a closed state, and the latch bolt 20 locks the door panel and the door frame, the handle coupled in synchronization with the handle dial 40 cannot be rotated.

In a preferred embodiment, the present invention further provides a first elastic element between the slider 50 and the housing, wherein the elastic stress provided by the first elastic element is used to keep the slider 50 always moving from the second position to the first position, so that the first end of the slider 50 is always in contact with the surface of the rotary dial 30, and the slider 50 is prevented from affecting the handle dial 40 when the door needs to be opened. Specifically, the first elastic element is a torsion spring 17, one end of the torsion spring 17 abuts against the housing, and the other end abuts against the slider 50.

In addition, a limit bump 113 is further disposed on the housing, specifically, the limit bump 113 is disposed on the rear housing 11, the limit bump 113 is used for limiting the freedom of the handle dial 40 to rotate counterclockwise, specifically, the limit bump 113 is disposed on the side of the protruding portion 403 away from the slider 50, and in the state shown in fig. 5, the protruding portion 403 is clamped between the second end 52 of the slider 50 and the limit bump 113, so that the handle dial 40 is locked and the handle cannot rotate.

In the utility model, in order to enable the bolt 20 and the slider 50 to slide smoothly, an upper chute is arranged at the top of the inner cavity of the shell, and a lower chute is arranged at the bottom of the inner cavity of the shell, wherein the bolt 20 comprises a transmission rod 23 and a magnet sleeve 21, the transmission rod 23 is in a strip shape and is slidably arranged in the upper chute, the magnet sleeve 21 is fixedly connected to the end part of the transmission rod 23, the second magnet is fixed inside the magnet sleeve 21, and the slider 50 is slidably arranged in the lower chute; an upper projection 111 is provided on the side wall of the rear housing 11, an upper slide groove is formed between the upper projection 111 and the top wall of the housing, and similarly, a lower projection 112 is provided on the side wall of the rear housing 11, and a lower slide groove is formed between the lower projection 112 and the bottom wall of the housing.

In order to position the knob 15 when the knob 15 rotates to different positions and simultaneously improve the hand feeling of the knob 15, the rotary dial 30 of the present invention is provided with a mounting hole, a second elastic element and a positioning steel ball 32 are embedded in the mounting hole, the inner surface of the housing is provided with two grooves 114, the two grooves 114 are arranged along the circumferential direction of the rotary dial 30, and the grooves 114 can be used for embedding the positioning steel ball 32, the second elastic element specifically can be a spring 31, one end of the spring 31 abuts against the inner side end of the mounting hole, the other end abuts against the positioning steel ball 32, the spring 31 is used for pressing the positioning steel ball 32, in the state shown in fig. 3 and fig. 4, the positioning steel ball 32 is located in one of the grooves 114, in the state shown in fig. 5, the positioning steel ball 32 rotates 90 degrees along with the rotary dial 30 and then falls into the other groove 114.

A third elastic element is further arranged between the latch bolt 20 and the housing, the elastic stress provided by the third elastic element is used for enabling the latch bolt 20 to always keep the trend of moving from the locking position to the opening position, the third elastic element is a spring 16, one end of the spring 16 abuts against the housing, the other end of the spring 16 abuts against the latch bolt 20, and specifically, the other end of the spring 16 can abut against a transmission rod 23, so that when the door panel is in the opening state, the first magnet and the second magnet 22 are separated, the latch bolt 20 keeps the state of being contracted in the housing by the elastic stress of the spring 16 under the condition that the magnetic force is not applied to the latch bolt 20, and therefore, when the door is in the opening state, the latch bolt 20 cannot extend out of the housing, and therefore, when the door is closed, the situation that the latch bolt 20 strikes the door frame cannot occur. It should be noted that the first elastic element, the second elastic element and the third elastic element are not limited to torsion springs or springs, and may be other components capable of generating elastic stress.

In order to ensure that the door lock can be normally opened by a key, the utility model arranges a knob square core 13 on a rotary dial 30, wherein the knob square core 13 is arranged in a square hole 402 arranged on the rotary dial 30 in a penetrating way, the rotary dial 30 is synchronously connected, in addition, two ends of the knob square core 13 respectively penetrate through two side walls of a shell, a knob 15 is connected at one end of the knob square core 13, the other end of the knob square core is connected with a lock head with a key hole, the knob square core 13 can be rotated by inserting the key into the lock head, and then the rotary dial 30 is rotated, thereby, the door is opened at the outer side of the door plate. A handle square core 14 is penetrated on the handle dial 40, the handle square core 14 is penetrated in a square hole 402 arranged on the handle dial 40 to be synchronously connected with the handle dial 40, two ends of the handle square core 14 respectively penetrate through two side walls of the shell, an inner handle 62 is fixed at one end of the handle square core 14, and an outer handle 61 is fixed at the other end.

While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the utility model is not to be limited to the disclosed embodiment. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel door lock is characterized by comprising a lock body and a buckle box;

2. A new door lock according to claim 1, characterized in that a first elastic element is also arranged between the slider and the casing, the elastic stress provided by the first elastic element being used to keep the slider always in the tendency of moving from the second position towards the first position.

3. A novel door lock as claimed in claim 2, wherein the first resilient member is a torsion spring having one end abutting the housing and the other end abutting the slider.

4. The new door lock as claimed in claim 1, wherein the housing is provided with a limit projection for limiting counterclockwise rotation of the handle dial.

5. The novel door lock as claimed in claim 1, wherein the top of the inner cavity of the housing is provided with an upper chute, the bottom of the inner cavity of the housing is provided with a lower chute, the bolt comprises a transmission rod slidably mounted in the upper chute, a magnet sleeve fixed at one end of the transmission rod close to the buckle box, and the second magnet is fixed in the magnet sleeve; the sliding block is arranged in the lower sliding groove in a sliding manner.

6. The new door lock as claimed in claim 1, wherein the rotary dial is provided with a mounting hole, a second elastic element and a positioning steel ball are embedded in the mounting hole, the inner surface of the casing is provided with two grooves for embedding the positioning steel ball, the two grooves are arranged along the circumference of the rotary dial, one end of the second elastic element abuts against the inner side end of the mounting hole, and the other end abuts against the positioning steel ball.

7. A novel door lock as claimed in claim 1, wherein a third resilient element is provided between the bolt and the housing, the third resilient element providing a resilient stress tending to maintain the bolt in a tendency to move from the locked position towards the open position.

8. The novel door lock as claimed in claim 1, wherein a knob square core is connected to the rotary dial in a penetrating manner, two ends of the knob square core respectively penetrate through two side walls of the shell, the knob is connected to one end of the knob square core, and a lock head with a keyhole is connected to the other end of the knob square core.

9. The novel door lock as claimed in claim 1, wherein a square core of a handle is penetrated through the handle dial, both ends of the square core of the handle are respectively penetrated through both side walls of the housing, and a handle is connected to both ends of the square core of the handle.