CN219316661U

CN219316661U - Door lock capable of preventing peep hole from opening

Info

Publication number: CN219316661U
Application number: CN202320027515.5U
Authority: CN
Inventors: 吕杭胜
Original assignee: Zhejiang Aopai Intelligent Technology Co ltd
Current assignee: Zhejiang Aopai Intelligent Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-07-07
Anticipated expiration: 2033-01-05

Abstract

The utility model relates to a door lock capable of preventing a cat eye from opening, which comprises a door lock main body, a door handle, a square steel base, a sliding toggle, a clutch driving plate and a door handle fixing seat, wherein at least one clutch pin is further arranged on the door handle fixing seat, the sliding toggle is connected with the clutch driving plate and can be arranged on the door lock main body in a sliding manner, the sliding toggle is driven to abut against the door handle fixing seat and drive the clutch pin to move so as to enable the square steel base and the door handle fixing seat to be in a connection state, and the sliding toggle is driven to be far away from the door handle fixing seat so as to enable the clutch pin to be automatically reset, and then the square steel base and the door handle fixing seat are in a clutch state. When the square steel base and the door handle fixing seat are in a connection state, the door handle can be rotated to drive the square steel base to rotate to unlock the door lock, and when the square steel base and the door handle fixing seat are in a separation and reunion state, the door handle can still be rotated, but the square steel base cannot be driven to rotate, and the door handle is in a cat eye opening prevention state.

Description

Door lock capable of preventing peep hole from opening

Technical Field

The utility model belongs to the field of anti-theft door locks, and particularly relates to a door lock capable of preventing a peep hole from unlocking.

Background

At present, the burglary-resisting door is basically provided with a peep hole which can be used for observing outdoors, and the peep hole is formed in the peep hole, so that the peep hole is manually damaged, and then the peep hole is installed to extend into a room to pull a door handle to rotate to unlock the door lock, so that the peep hole is stolen indoors. Therefore, a door lock which is arranged on the burglarproof door and used for preventing the peep hole from opening appears, for example, the application number is 2017110781684, the name is a door lock which is used for preventing the peep hole from opening, and the technical scheme is that a driving button component and a contact pin controlled by the button component are arranged on a door handle; when the door lock is unlocked, the push button assembly is pressed to drive the contact pin to move to separate from the door lock body, and the door handle can be rotated to unlock the door lock; when the button component is released after the door handle is unlocked and the door lock is reset, the contact pin is inserted into the door lock main body to connect the door handle with the door lock main body, and the door handle is in a non-rotatable state, so that the aim of preventing the door handle from being manually rotated to unlock the door lock through the cat eye Kong Qudong is fulfilled. Under the condition of preventing the peep hole from being opened, the door handle is in a fixed and non-rotatable state, and when external force acting on the door handle is increased, the contact pin is possibly damaged, so that the door handle rotates to unlock the door lock, and therefore, certain potential safety hazard still exists.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a door lock capable of preventing a cat eye from opening.

For solving above-mentioned technical problem and providing a door lock that cat eye was opened is prevented, including lock main part, door handle and square steel base, still include sliding dial and turn round, separation and reunion drive plate and door handle fixing base, the door handle can be dismantled and set up on the door handle fixing base, the door handle fixing base passes through the bearing rotatable setting on the lock main part, square steel base rotatable setting is on the door handle fixing base, still be provided with a clutch pin on the door handle fixing base at least, sliding dial round is connected with the separation and reunion drive plate and slidable setting in the lock main part, can stir the sliding dial and turn round the drive clutch drive plate and be in connected state with the drive clutch pin removal messenger square steel base and door handle fixing base, also can stir sliding dial and turn round drive the clutch drive plate and keep away from the door handle fixing base and make the clutch pin automatic re-setting, and then square steel base and door handle fixing base are in the separation and reunion state.

Furthermore, the two clutch pins are arranged on the door handle fixing seat and are distributed symmetrically up and down on the door handle fixing seat so as to facilitate the direction adjustment of the door handle, and a reset spring is further arranged between the clutch pins and the door handle fixing seat.

Furthermore, the clutch driving plate is further provided with a driving strip at the position close to the door handle fixing seat, and the driving strip is arc-shaped or straight-shaped.

Furthermore, the clutch driving plate is also provided with a plurality of long-row sliding grooves, and the long-row sliding grooves limit the clutch driving plate to move on the door lock main body and keep the sliding stability of the clutch driving plate.

Furthermore, the clutch driving plate is provided with positioning grooves at the position where the square steel base and the door handle fixing seat are in a connection state and the position where the square steel base and the door handle fixing seat are in a clutch state, the door lock main body is provided with movable positioning convex blocks which are matched with the positioning grooves, and a compression spring is arranged between the positioning convex blocks and the door lock main body.

Further, the sliding toggle and clutch driving plate is made of zinc alloy materials or stainless steel materials.

The beneficial effects are that: when the square steel base is in a connection state with the door handle fixing seat, the door handle can be rotated to drive the square steel base to rotate to unlock the door lock; when the square steel base and the door handle fixing seat are in a clutch state, the door handle can still be rotated, but the square steel base cannot be driven to rotate, and the door handle is in a cat eye opening prevention state. Therefore, the position of the clutch driving plate is controlled by poking the sliding poking button, the state of the clutch pin is further controlled, and when the door lock is in the anti-cat eye opening state, the door lock cannot be opened even if the door handle in the room can be controlled through the cat eye, so that the safety is higher.

Drawings

Fig. 1 and fig. 2 are schematic views of a door lock with a three-dimensional structure for preventing a cat eye from opening;

FIG. 3 is a schematic view of a hidden door lock cover with a door opening prevention function;

FIG. 4 is a schematic view of a door handle position mating structure;

fig. 5 is a schematic view of a sectional structure of a door handle position.

Detailed Description

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. The description hereinafter sets forth a preferred embodiment for practicing the utility model, but is not intended to limit the scope of the utility model, as the description is given for the purpose of illustrating the general principles of the utility model. The scope of the utility model is defined by the appended claims.

The present utility model will be described in further detail below with reference to the drawings, but is not limited thereto.

Examples

As shown in fig. 1-5, the door lock capable of preventing the cat eye from opening comprises a door lock main body 1, a door handle 2, a square steel base 6, a sliding toggle 3, a clutch driving plate 4 and a door handle fixing seat 7, wherein the door handle 2 is detachably arranged on the door handle fixing seat 7, the door handle fixing seat 7 is rotatably arranged on the door lock main body 1 through a bearing 8, the square steel base 6 is rotatably arranged on the door handle fixing seat 7, at least one clutch pin 5 is further arranged on the door handle fixing seat 7, and the sliding toggle 3 is connected with the clutch driving plate 4 and slidably arranged on the door lock main body 1; as shown in fig. 4 and 5, the sliding knob 3 can be toggled to drive the clutch driving plate 4 to abut against the door handle fixing seat 7 and drive the clutch pin 5 to move so that the square steel base 6 is in a connection state with the door handle fixing seat 7, at the moment, the door handle 2 can be turned, the door handle fixing seat 7 is driven to rotate through the door handle 2, the square steel base 6 is further driven to rotate, and the door lock can be driven to be opened through the square steel 9 arranged in the square steel base 6; the clutch driving plate 4 can be driven by the sliding toggle 3 to be far away from the door handle fixing seat 7 so that the clutch pin 5 is reset, namely, the sliding toggle 3 is downwards toggled, the clutch driving plate 4 also moves downwards along with the sliding toggle 3, the clutch pin 5 loses the support of the clutch driving plate 4 to reset, the square steel base 6 and the door handle fixing seat 7 are in a clutch state, when the door handle 2 is rotated again at the moment, the door handle 2 can only drive the door handle fixing seat 7 to rotate, but can not drive the square steel base 6 to rotate, so that the square steel base 6 and the square steel 9 are in a state of being immovable in clutch with the door handle 2, the door lock is in a state of preventing the door eye from opening, and therefore, the door lock can not be opened even if the door handle 2 can be rotated, the safety is higher, and the effect of preventing the door eye from opening in a real sense is achieved.

Preferably, because different users have different using habits, there are also differences in the direction of the door handle, so that two clutch pins 5 are arranged on the door handle fixing seat 7, the two clutch pins 5 are distributed symmetrically up and down on the door handle fixing seat 7, so that the direction of the door handle 2 is adjusted, and a return spring 5a is further arranged between the clutch pins 5 and the door handle fixing seat 7.

More preferably, as shown in fig. 3, the clutch driving plate 4 is further provided with a driving bar 4a at a position close to the door handle fixing seat 7, the driving bar 4a is in an arc shape or a straight shape, only a straight bar shape is shown in the drawing, the arc bar shape is not shown, the effect of the driving bar 4a is better, and when the door handle 2 is turned to unlock the door lock, the arc bar driving bar 4a always keeps a relatively consistent distance with the door handle fixing seat 7 and the clutch pin 5.

More preferably, the clutch driving plate 4 is further provided with a plurality of long-row sliding grooves 4b, and the long-row sliding grooves 4b limit the clutch driving plate 4 to move in the door lock main body 1 and keep the sliding stability of the clutch driving plate 4.

More preferably, the clutch driving plate 4 is provided with a positioning groove 4c at the position where the square steel base 6 is in a connection state with the door handle fixing seat 7 and the position where the square steel base 6 is in a clutch state with the door handle fixing seat 7, the door lock main body 1 is provided with a movable positioning protruding block 1a which is matched with the positioning groove 4c, and a compression spring is arranged between the positioning protruding block 1a and the door lock main body 1. As shown in fig. 5, the clutch driving plate 4 is provided with a positioning groove 4c, and the door lock main body 1 is provided with a positioning protruding block 1a to be matched with the positioning groove, so that stability and reliability are higher when the sliding knob 3 is shifted to keep the clutch driving plate 4 in a clutch state and a connection state.

More preferably, the sliding knob 3 and the clutch driving plate 4 are made of zinc alloy material or stainless steel material. Even when a fire disaster occurs and the door lock is in a cat eye opening prevention state, the sliding toggle 3 and the clutch driving plate 4 are made of zinc alloy materials or stainless steel materials and cannot be melted and deformed, so that the stability of the door lock can be kept, and the door lock can be driven to be in a driving state, so that the door lock can be ensured to be opened smoothly indoors for escape.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of use in various other combinations, modifications and environments and is capable of changes or modifications within the spirit of the utility model described herein, either as a result of the foregoing teachings or as a result of the knowledge or skill of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The utility model provides a prevent lock that cat eye was opened, includes lock main part (1), door handle (2) and square steel base (6), its characterized in that: still including sliding dial turn round (3), separation and reunion drive plate (4) and door handle fixing base (7), door handle (2) can dismantle the setting on door handle fixing base (7), door handle fixing base (7) are rotatable through bearing (8) to be set up on door lock main part (1), square steel base (6) rotatable setting is on door handle fixing base (7), still be provided with at least one clutch pin (5) on door handle fixing base (7), sliding dial turn round (3) are connected with separation and reunion drive plate (4) and slidable setting is in door lock main part (1), can stir sliding dial turn round (3) drive separation and reunion drive plate (4) and abut against door handle fixing base (7) and drive clutch pin (5) removal and make square steel base (6) and door handle fixing base (7) be in connected state, also can stir sliding dial turn round (3) drive separation and reunion drive plate (4) and make clutch pin (5) reset, and then square steel base (6) and door handle fixing base (7) are in separation and reunion state.

2. The door lock for preventing cat eye opening according to claim 1, wherein: the door handle fixing seat is characterized in that two clutch pins (5) are arranged on the door handle fixing seat (7), the two clutch pins (5) are distributed symmetrically up and down on the door handle fixing seat (7) so as to facilitate the direction adjustment of the door handle (2), and a reset spring (5 a) is further arranged between the clutch pins (5) and the door handle fixing seat (7).

3. A door lock for preventing opening of a cat eye according to claim 1 or 2, characterized in that: the clutch driving plate (4) is further provided with a driving strip (4 a) at a position close to the door handle fixing seat (7), and the driving strip (4 a) is arc-shaped or straight-shaped.

4. A door lock for preventing opening of a cat eye according to claim 3, wherein: the clutch driving plate (4) is further provided with a plurality of long-row sliding grooves (4 b), and the long-row sliding grooves (4 b) limit the clutch driving plate (4) to move in the door lock main body (1) and keep the sliding stability of the clutch driving plate (4).

5. The door lock for preventing cat eye opening according to claim 1, 2 or 4, wherein: the clutch driving plate (4) is provided with a positioning groove (4 c) at the position of the square steel base (6) and the door handle fixing seat (7) in a connecting state and the position of the square steel base (6) and the door handle fixing seat (7) in a clutch state, the door lock main body (1) is provided with a movable positioning lug (1 a) which is matched with the positioning groove (4 c), and a compression spring is arranged between the positioning lug (1 a) and the door lock main body (1).

6. The door lock for preventing cat eye opening according to claim 5, wherein: the sliding toggle (3) and the clutch driving plate (4) are made of zinc alloy materials or stainless steel materials.