CN219931868U - Door lock - Google Patents

Abstract

The utility model belongs to the technical field of door locks, and particularly relates to a door lock. The door lock comprises a front panel assembly, a handle and an anti-loosening structure, wherein the handle is connected to the front panel assembly; the anti-loosening structure comprises a stop piece and a stop piece, wherein the stop piece is connected to one side of the handle, which faces the front panel assembly, the first end of the stop piece is connected to the front panel assembly, the second end of the stop piece extends towards the handle and is located below the stop piece, and the stop piece is used for stopping the stop piece from moving in the vertical direction. In the embodiment of the utility model, the second end of the stop piece is positioned below the stop piece, so that when the door is opened and closed, the force of the push-pull handle can act on the stop piece through the stop piece, and the stop piece limits the movement of the stop piece in the vertical direction, so that the force of the push-pull handle is prevented from acting on the rotating structure, and the effect of avoiding loosening of the handle is achieved.

Description

Door lock

Technical Field

The utility model belongs to the technical field of door locks, and particularly relates to a door lock.

Background

The intelligent lock generally opens the door through a password, a fingerprint or a human face, but in order to prevent the door from being opened due to power failure and other reasons, a mechanical unlocking mode of opening the door by a key is generally provided.

The present intelligent lock sets up the lockhole on the front panel and blocks with the handle, has revolution mechanic between front panel and the handle, can hide and spill the lockhole through rotating the handle, when needs are unblanked with the key, just can rotate the handle, spill the key hole, realize unblanking.

When the door is opened or closed, the push-pull handle is required to act, but because the rotating structure is connected between the front panel and the handle, the force of pushing or pulling the handle can fully act on the rotating structure, and the handle is easy to loosen after long-term use.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: aiming at the problem that the handle is easy to loosen when the door is opened or closed by pushing or pulling the handle in the prior art, the door lock is provided.

In order to solve the technical problems, an embodiment of the present utility model provides a door lock, including a front panel assembly, a handle and a locking structure, wherein the handle is connected to the front panel assembly;

the anti-loosening structure comprises a stop piece and a limit piece, wherein the limit piece is connected to one side of the handle, which faces the front panel assembly, a first end of the stop piece is connected to the front panel assembly, a second end of the stop piece faces the handle, extends and is located below the limit piece, and the stop piece is used for stopping movement of the limit piece in the vertical direction.

Optionally, an inserting groove is formed in the handle, the handle abuts against the front panel assembly, and the second end of the stop piece is inserted into the inserting groove.

Optionally, the stopper includes first stopper and second stopper, first end of first stopper with the front panel subassembly is connected, the second stopper is connected the second end of first stopper, the second stopper sets up in the draw-in groove, first stopper the second stopper with form the spacing groove between the front panel subassembly, the stopper is pegged graft in the spacing groove.

Optionally, the limiting part comprises a main body part and a limiting part, the main body part is connected to the handle, the limiting part is connected to the main body part, the limiting part extends towards the direction of the inserting groove, and the limiting part is arranged in the limiting groove.

Optionally, a surface of the side of the limiting portion away from the main body portion is an arc surface.

Optionally, the front panel assembly is provided with a containing cavity, the first end of the stop piece is inserted into the containing cavity, an elastic piece is arranged in the containing cavity, the first end of the stop piece is abutted to the elastic piece, the second end of the stop piece extends out of the containing cavity, and when the handle rotates, the stop piece is pushed by the handle to enter the containing cavity and extrude the elastic piece, and the elastic piece can push the stop piece to reset.

Optionally, the plugging slot has a first slot wall, a second slot wall, a third slot wall and a fourth slot wall which are sequentially connected, the first slot wall and the third slot wall are oppositely arranged, the second slot wall and the fourth slot wall are oppositely arranged, and the second slot wall and the fourth slot wall are arc-shaped surfaces.

Optionally, the stopper is provided with first butt face and second butt face, the orientation of handle one side of front panel subassembly is provided with the third butt face, when the handle is relative front panel subassembly rotates, first cell wall can the butt first butt face and promote the stopper, when the handle rotates the return, the third butt face can the butt second butt face and promote the stopper.

Optionally, the second end of the first stop member has a first end face, a second end face and a third end face, the second end face is connected between the first end face and the third end face, the second stop member has a fourth end face, a fifth end face and a sixth end face, the fifth end face is connected between the fourth end face and the sixth end face, the first end face and the fourth end face are coplanar to form the first abutting face, the second end face and the fifth end face are coplanar, and the third end face and the sixth end face are coplanar to form the second abutting face.

Optionally, the accommodating cavity comprises a first cavity and a second cavity, the first cavity is communicated with the second cavity, the first stop piece is inserted into the first cavity, the second stop piece can enter the second cavity when the elastic piece is extruded, and can leave the second cavity when the elastic piece is recovered.

The door lock provided by the embodiment of the utility model has at least the following beneficial effects:

in the embodiment of the utility model, the second end of the stop piece is positioned below the stop piece, so that when the door is opened and closed, the force of the push-pull handle can act on the stop piece through the stop piece, and the stop piece limits the movement of the stop piece in the vertical direction, so that the force of the push-pull handle is prevented from acting on the rotating structure, and the effect of avoiding loosening of the handle is achieved.

Drawings

FIG. 1 is a schematic view of a door lock according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a handle provided in an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic view of a front panel assembly according to an embodiment of the present utility model;

FIG. 5 is an exploded view of a front panel assembly provided in accordance with one embodiment of the present utility model;

FIG. 6 is a schematic view of a stopper according to an embodiment of the present utility model;

fig. 7 is a schematic view of a receiving chamber according to an embodiment of the present utility model.

Reference numerals in the specification are as follows:

1. a handle; 11. a plug-in groove; 111. a first groove wall; 112. a second groove wall; 113. a third groove wall; 114. a fourth groove wall; 12. a third abutment surface;

2. a front panel assembly; 21. a receiving chamber; 211. a first cavity; 212. a second cavity; 213. a third cavity; 214. a fourth cavity; 22. an elastic member;

3. a stopper; 31. a first stopper; 311. a first end face; 312. a second end face; 313. a third end face; 32. a second stopper; 321. a fourth end face; 322. a fifth end face; 323. a sixth end face; 33. a first pusher; 34. a second pusher;

4. a limiting piece; 41. a main body portion; 42. a limit part; 421. an arc surface;

5. and a limit groove.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 7, an embodiment of the present utility model provides a door lock, which includes a front panel assembly 2, a handle 1, and a locking structure, wherein the handle 1 is connected to the front panel assembly 2. The anti-loosening structure comprises a stop piece 3 and a stop piece 4, wherein the stop piece 4 is connected to one side, facing the front panel assembly 2, of the handle 1, a first end of the stop piece 3 is connected to the front panel assembly 2, a second end of the stop piece 3 protrudes towards the handle 1 and is located below the stop piece 4, and the stop piece 3 is used for stopping movement of the stop piece 4 in the vertical direction.

According to the door lock provided by the embodiment of the utility model, the second end of the stop piece 3 is positioned below the stop piece 4, so that when the door is opened and closed, the force of the push-pull handle 1 acts on the stop piece 3 through the stop piece 4, and the stop piece 3 limits the movement of the stop piece 4 in the vertical direction, so that the force of the push-pull handle 1 is prevented from acting on the rotating structure, and the effect of avoiding loosening of the handle 1 is achieved.

In an embodiment, as shown in fig. 2, the second end of the stop member 3 protrudes from the surface of the front panel assembly 2 facing the side of the handle 1, the handle 1 is provided with a plugging slot 11, and when the handle 1 and the front panel assembly 2 are matched, the second end of the stop member 3 is plugged into the plugging slot 11, so that the handle 1 abuts against the front panel assembly 2, the surface of the side of the handle 1 facing the front panel assembly 2 and the surface of the side of the front panel assembly 2 facing the handle 1 are mutually attached, and the connection between the handle 1 and the front panel assembly 2 is facilitated.

In an embodiment, as shown in fig. 5 and 6, the stopper 3 includes a first stopper 31 and a second stopper 32, a first end of the first stopper 31 is connected with the front panel assembly 2, the second stopper 32 is connected with a second end of the first stopper 31, the second stopper 32 is disposed in the insertion groove 11, a second end of the first stopper 31 is inserted in the insertion groove 11, and a second end of the stopper 3 protrudes out of the front panel assembly 2, such that a limit groove 5 is formed between the first stopper 31, the second stopper 32 and the front panel assembly 2, the limit member 4 is inserted in the limit groove 5, and the limit member 4 is limited by the limit groove 5. When the door handle 1 is pushed and pulled, when the handle 1 receives the force of vertical direction, the limiting piece 4 can be abutted on the second end of the first stop piece 31 to limit the motion of the limiting piece 4 in the vertical direction, when the handle 1 receives the force of horizontal direction, the limiting piece 4 can be abutted on the second stop piece 32, thereby limit the motion of the limiting piece 4 in the horizontal direction, the force of the push and pull handle 1 is transmitted to the first stop piece 31 and the second stop piece 32, the rotating structure stress between the handle 1 and the front panel assembly 2 is avoided, and the looseness of the handle 1 is avoided.

Preferably, the extending direction of the second stopper 32 and the extending direction of the first stopper 31 are perpendicular to each other, the second stopper 32 extends in the vertical direction, and the first stopper 31 extends in the horizontal direction and protrudes toward the front panel assembly 2.

In an embodiment, as shown in fig. 3, the limiting member 4 includes a main body portion 41 and a limiting portion 42, the main body portion 41 is connected to the handle 1, the main body portion 41 can abut against the front panel assembly 2, a surface of the main body portion 41 facing the front panel assembly 2 and a surface of the handle 1 facing the front panel assembly 2 are coplanar, the limiting portion 42 is connected to the main body portion 41, the limiting portion 42 extends toward the plugging slot 11, the limiting portion 42 can extend into the plugging slot 11, and when the second end of the stop member 3 is plugged into the plugging slot 11, the limiting portion 42 is disposed in the limiting slot 5, so that the clamping connection between the stop member 3 and the limiting portion 42 is realized.

In an embodiment, as shown in fig. 5, a containing cavity 21 is provided on the front panel assembly 2, a first end of the stop member 3 is inserted into the containing cavity 21, an elastic member 22 is provided in the containing cavity 21, a first end of the stop member 3 abuts against the elastic member 22, a second end of the stop member 3 extends out of the containing cavity 21, movement of the stop member 3 in the containing cavity 21 can be achieved through the elastic member 22, when the handle 1 rotates, the stop member 3 can move into the containing cavity 21 under the pushing of the handle 1, the first end of the stop member 3 presses the elastic member 22 to generate elastic deformation, so that the second end of the stop member 3 enters the containing cavity 21, the stop member 3 completely enters the containing cavity 21, and the limiting effect of the stop member 3 on the stop member 4 is released, so that the stop member 4 can leave the limiting groove 5. Preferably, the elastic member 22 is a spring.

Along with the rotation of the handle 1, when the handle 1 is not contacted with the stop piece 3 any more, the elastic piece 22 can restore to deform, the stop piece 3 is pushed to move, and under the action of elastic force, the elastic piece 22 can push the stop piece 3 to reset. When the handle 1 rotates, the elastic piece 22 can be extruded by the pushing of the stop piece 3 by the handle 1 and completely enter the accommodating cavity 21, so that the handle 1 can be rotated conveniently, when the handle 1 rotates until the stop piece 3 enters the inserting groove 11, the elastic piece 22 pushes the second end of the stop piece 3 to enter the inserting groove 11, the cooperation of the stop piece 3 and the limiting piece 4 is realized, in the embodiment, the elastic piece 22 is arranged, the stop piece 3 can move in the accommodating cavity 21, the clamping connection and the separation of the stop piece 3 and the limiting piece 4 are realized, and the rotation of the handle 1 is facilitated.

In an embodiment, as shown in fig. 6, the stopper 3 further includes a first pushing member 33 and a second pushing member 34 disposed opposite to each other, the first pushing member 33 and the second pushing member 34 are connected to a first end of the first stopper 31, two elastic members 22 are disposed, the first pushing member 33 abuts one of the elastic members 22, and the second pushing member 34 abuts the other elastic member 22. Preferably, the contour of the housing 21 is adapted to the contour of the stop 3, so that a telescopic movement of the stop 3 can be ensured without skewing or displacement.

In one embodiment, as shown in fig. 3, a surface of the side of the limiting portion 42 away from the main body portion 41 is an arc surface 421. When the limiting portion 42 rotates along with the handle 1, the movement track of the limiting portion 42 is a circular track with a rotating structure between the handle 1 and the front panel assembly 2 as a center and a connecting line of the rotating structure and the limiting portion 42 as a radius, so that the limiting portion 42 can be smoothly separated from the limiting groove 5, the arc surface 421 is overlapped with the circular track, and interference between the limiting portion 42 and the first stop member 31 can be prevented when the limiting portion 42 rotates along with the handle 1, so that the handle 1 can smoothly rotate.

In an embodiment, as shown in fig. 3, the plugging slot 11 has a first slot wall 111, a second slot wall 112, a third slot wall 113 and a fourth slot wall 114 that are sequentially connected, the first slot wall 111 and the third slot wall 113 are oppositely disposed, the second slot wall 112 and the fourth slot wall 114 are arc surfaces 421, the second slot wall 112 is located above the second stop member 32, the fourth slot wall 114 is located below the second stop member 32, and when the limiting member 4 rotates along with the handle 1, the second stop member 32 rotates in the plugging slot 11 relative to the handle 1, and by using the second slot wall 112 and the fourth slot wall 114 as arc surfaces 421, interference of the second stop member 32 can be prevented, so that the second stop member 32 is prevented from colliding with the handle 1.

In an embodiment, based on the surface of the handle 1 facing the front panel assembly 2, the first groove wall 111 and the third groove wall 113 are inclined surfaces, the stopper 3 is provided with a first abutment surface and a second abutment surface, the first abutment surface and the second abutment surface are inclined surfaces, the handle 1 facing the front panel assembly 2 is provided with a third abutment surface 12, the third abutment surface 12 is an inclined surface, one side of the third inclined surface is located on the surface of the handle 1 facing the front panel assembly 2, and the other side extends in a direction away from the front panel assembly 2.

When the handle 1 rotates relative to the front panel assembly 2, the second stop piece 32 moves in the inserting groove 11, when the second stop piece 32 moves to the position of abutting the first groove wall 111, the first groove wall 111 can abut on the first abutting surface, the handle 1 continues to rotate, the first groove wall 111 and the first abutting surface slide relatively and are gradually misplaced, the second stop piece 32 is extruded by the first groove wall 111 to drive the first stop piece 31 to extrude the elastic piece 22, the stop piece 3 is pushed to gradually enter the accommodating cavity 21, the handle 1 can smoothly rotate, and when the handle 1 rotates a large angle until the stop piece 3 is not contacted with the handle 1 any more, the elastic piece 22 pushes the stop piece 3 to pop out from the accommodating cavity 21.

When the handle 1 rotates to return, the stop piece 3 first contacts the third contact surface 12, the third contact surface 12 can be abutted against the second contact surface, the second stop piece 32 is extruded by the third contact surface 12 to drive the first stop piece 31 to extrude the elastic piece 22, the stop piece 3 is pushed to gradually enter the accommodating cavity 21, when the second stop piece 32 moves to the first groove wall 111 of the inserting groove 11, the elastic piece 22 pushes the second stop piece 32 to move, the first contact surface moves along the first groove wall 111, the second stop piece 32 gradually stretches out of the accommodating cavity 21 until the second stop piece 32 completely enters the inserting groove 11, and the stop piece 3 and the stop piece 4 are clamped again.

Preferably, the first abutment surface and the first groove wall 111 have the same inclination angle, and the second abutment surface and the third abutment surface 12 have the same inclination angle.

It will be appreciated that two third abutment surfaces 12 are provided and that the two third abutment surfaces 12 are symmetrically arranged so that the handle 1 can be rotated in different directions.

In an embodiment, as shown in fig. 6, the second end of the first stopper 31 has a first end surface 311, a second end surface 312 and a third end surface 313, the second end surface 312 is connected between the first end surface 311 and the third end surface 313, the first end surface 311 and the third end surface 313 are symmetrically disposed, the second stopper 32 has a fourth end surface 321, a fifth end surface 322 and a sixth end surface 323, the fifth end surface 322 is connected between the fourth end surface 321 and the sixth end surface 323, the fourth end surface 321 and the sixth end surface 323 are symmetrically disposed, the first end surface 311 and the fourth end surface 321 are coplanar to form a first abutting surface, the second end surface 312 and the fifth end surface 322 are coplanar to form a second abutting surface, and the third end surface 313 and the sixth end surface 323 are coplanar to form a second abutting surface, so that the second end of the first stopper 31 and the second stopper 32 are aligned, and the movement of the stopper 3 in the accommodating cavity 21 is facilitated when the handle 1 is rotated.

In an embodiment, as shown in fig. 7, the accommodating cavity 21 includes a first cavity 211 and a second cavity 212, the first cavity 211 communicates with the second cavity 212, in the movement direction of the stopper 3, the first cavity 211 and the second cavity 212 each have an opening communicating with the outside, the first stopper 31 is inserted into the first cavity 211, when the handle 1 rotates and pushes the stopper 3, the first stopper 31 can move in the first cavity 211, the second stopper 32 can enter or leave the second cavity 212, when the elastic member 22 is pressed, the second stopper 32 enters the second cavity 212, and when the elastic member 22 is restored, leaves the second cavity 212, so that the stopper 3 can take an extended or retracted state, when the stopper 3 is extended, an effect of preventing the handle 1 from loosening can be achieved, and when the stopper 3 is retracted, the clamping between the stopper 3 and the stopper 4 is released, so that the handle 1 is convenient to rotate.

In an embodiment, as shown in fig. 7, the accommodating cavity 21 further includes a third cavity 213 and a fourth cavity 214, the third cavity 213 and the fourth cavity 214 are disposed at two sides of the first cavity 211, the elastic member 22 is disposed in the third cavity 213 and the fourth cavity 214, the first pushing member 33 is disposed in the third cavity 213, the second pushing member 34 is disposed in the fourth cavity 214, when the elastic member 22 is pressed, the first pushing member 33 moves in the third cavity 213, and the second pushing member 34 moves in the fourth cavity 214, and neither the third cavity 213 nor the fourth cavity 214 has an opening communicating with the outside, so that the stopper 3 can be prevented from being ejected from the accommodating cavity 21 to be separated from the accommodating cavity 21 when the elastic member 22 is deformed again.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The door lock is characterized by comprising a front panel assembly, a handle and a locking structure, wherein the handle is connected to the front panel assembly;

the anti-loosening structure comprises a stop piece and a limit piece, wherein the limit piece is connected to one side of the handle, which faces the front panel assembly, a first end of the stop piece is connected to the front panel assembly, a second end of the stop piece faces the handle, extends and is located below the limit piece, and the stop piece is used for stopping movement of the limit piece in the vertical direction.

2. The door lock of claim 1, wherein the handle is provided with a mating groove, the handle abuts the front panel assembly, and the second end of the stopper is mated in the mating groove.

3. The door lock of claim 2, wherein the stopper includes a first stopper and a second stopper, a first end of the first stopper is connected with the front panel assembly, the second stopper is connected with a second end of the first stopper, the second stopper is disposed in the insertion groove, a limit groove is formed between the first stopper, the second stopper and the front panel assembly, and the limit stopper is inserted in the limit groove.

4. The door lock of claim 3, wherein the stopper includes a main body portion and a stopper portion, the main body portion is connected to the handle, the stopper portion is connected to the main body portion, the stopper portion extends toward the insertion groove, and the stopper portion is disposed in the stopper groove.

5. The door lock according to claim 4, wherein a surface of the side of the limit portion remote from the main body portion is an arc surface.

6. The door lock according to claim 3, wherein the front panel assembly is provided with a containing cavity, a first end of the stop member is inserted into the containing cavity, an elastic member is arranged in the containing cavity, the first end of the stop member abuts against the elastic member, a second end of the stop member extends out of the containing cavity, when the handle rotates, the stop member can enter the containing cavity under the pushing of the handle and presses the elastic member, and the elastic member can push the stop member to reset.

7. The door lock of claim 6, wherein the plugging slot has a first slot wall, a second slot wall, a third slot wall and a fourth slot wall connected in sequence, the first slot wall and the third slot wall are disposed opposite to each other, the second slot wall and the fourth slot wall are disposed opposite to each other, and the second slot wall and the fourth slot wall are arc surfaces.

8. The door lock of claim 7, wherein the stopper is provided with a first abutment surface and a second abutment surface, a third abutment surface is provided on a side of the handle facing the front panel assembly, the first groove wall is capable of abutting the first abutment surface and pushing the stopper when the handle rotates relative to the front panel assembly, and the third abutment surface is capable of abutting the second abutment surface and pushing the stopper when the handle rotates back.

9. The door lock of claim 8, wherein the second end of the first stop has a first end face, a second end face, and a third end face, the second end face being connected between the first end face and the third end face, the second stop has a fourth end face, a fifth end face, and a sixth end face, the fifth end face being connected between the fourth end face and the sixth end face, the first end face and the fourth end face being coplanar to form the first abutment face, the second end face and the fifth end face being coplanar, the third end face and the sixth end face being coplanar to form the second abutment face.

10. The door lock of claim 6, wherein the receiving cavity comprises a first cavity and a second cavity, the first cavity being in communication with the second cavity, the first stop being inserted in the first cavity, the second stop being capable of entering the second cavity when the elastic member is compressed and exiting the second cavity when the elastic member is restored.