CN220133721U

CN220133721U - Door handle opening preventing device

Info

Publication number: CN220133721U
Application number: CN202321440132.7U
Authority: CN
Inventors: 李雨雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-12-05
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a door handle opening preventing device which comprises a base, a blocking mechanism and an elastic piece. The base includes the bottom plate and sets up the connector on the bottom plate, is equipped with first spacing portion on the connector. The blocking mechanism comprises a shell rotatably sleeved on the connector and a blocking part arranged on the shell, the blocking part can rotate along with the shell to limit the door handle to be switched between a locking position and an unlocking position, and a second limiting part matched with the first limiting part is arranged on the shell. The elastic piece is arranged between the shell and the base to apply acting force to the shell, which moves outwards along the axial direction of the connector, so that the second limiting part and the first limiting part are mutually locked to limit the relative rotation between the shell and the connector. According to the utility model, the blocking of the door handle can be realized only through the base, the blocking mechanism and the elastic part, compared with the prior art, the device has the advantages that the number of parts is greatly reduced, the assembly precision is simplified, and the assembly and the disassembly are convenient.

Description

Door handle opening preventing device

Technical Field

The utility model relates to the technical field of door locks, in particular to a door handle unlocking preventing device.

Background

At present, a handle lock is arranged on a large part of household gates, and the gates can be opened by rotating the door handles, so that the operation is convenient, but the operation is too simple, children or pets at home can easily open the gates, safety accidents are caused, and even children or pets get lost.

Different kinds of child safety locks are also provided in the current market, but most parts are numerous, the precision requirement of mutual matching is high, and the disassembly and assembly difficulty is high and the production cost is high.

Disclosure of Invention

The utility model mainly aims to provide a door handle opening preventing device which aims to solve the technical problems.

The technical problems solved by the utility model are realized by adopting the following technical scheme:

a door handle opening preventing device comprises a base, a blocking mechanism and an elastic piece;

the base comprises a bottom plate and a connector arranged on the bottom plate, and a first limiting part is arranged on the connector;

the blocking mechanism comprises a shell rotatably sleeved on the connector and a blocking part arranged on the shell, the blocking part can rotate along with the shell to limit the door handle to be switched between a locking position and an unlocking position, and a second limiting part matched with the first limiting part is arranged on the shell;

the elastic piece is arranged between the shell and the base, so that acting force moving outwards along the axial direction of the connector is applied to the shell, and the second limiting part and the first limiting part are mutually locked, so that relative rotation between the shell and the connector is limited.

In some embodiments, an annular groove is formed on the connector or the housing, and when the first limiting portion and the second limiting portion are mutually unlocked, the second limiting portion or the first limiting portion can enter the annular groove and rotate along the annular groove.

In some embodiments, the first limiting portion is a limiting groove axially arranged along the connector;

the second limiting part is a limiting protrusion.

In some embodiments, the limit groove comprises:

the inlet part is arranged at the front end of the connector, which is away from the bottom plate;

and the sliding groove is communicated with the inlet part and extends towards the bottom plate.

In some embodiments, the annular groove is formed on the outer side wall of the connector, and is located below the first limiting portion near the bottom plate.

In some embodiments, the blocking portion includes a stop portion and a connecting portion;

the stop part is vertically arranged at one end of the connecting part and can abut against the door handle to limit the door handle to rotate downwards to an unlocking position;

the other end of the connecting part is connected to the shell.

In some embodiments, the elastic member is a spring, and a mounting portion for mounting the spring is further provided in the housing.

In some embodiments, the base further comprises:

the guide part is arranged in the connector, and a guide hole which is in sliding connection with the mounting part is arranged in the guide part.

In some embodiments, the bottom surface of the base facing away from the connector is provided with an adsorption portion.

In some embodiments, the connector is internally provided with a cavity, and the inner wall of the connector is provided with a weight-reducing groove.

The utility model has the beneficial effects that:

according to the door handle anti-opening device, the base is directly connected with the blocking mechanism in a rotating way, the rotation of the door handle can be limited or released by adjusting the rotation of the blocking mechanism, and the elastic piece is arranged between the base and the blocking mechanism, so that the blocking mechanism can be driven to move outwards relative to the base after the blocking mechanism moves to a required position, and the relative rotation between the blocking mechanism and the base is limited. Therefore, the door handle opening preventing device can block the door handle only through the base, the blocking mechanism and the elastic piece, and compared with the prior art, the door handle opening preventing device greatly reduces the number of parts, simplifies the assembly precision and is convenient to assemble and disassemble.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic perspective view of a door handle opening preventing device according to an embodiment of the present utility model;

FIG. 2 is a bottom view of a door handle opening prevention device according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a door handle anti-opening device according to an embodiment of the present utility model;

fig. 4 is a schematic perspective view of a base in the door handle anti-open device according to the embodiment of the utility model;

FIG. 5 is a cross-sectional view of a base of a door handle anti-opening device according to an embodiment of the present utility model;

fig. 6 is a schematic perspective view of a blocking mechanism in the door handle opening preventing device according to the embodiment of the utility model.

Reference numerals

10-a base; 11-a bottom plate; 12-connecting heads; 121-a first limiting part; 1211-an entry portion; 1212-sliding grooves; 122-an annular groove; 13-a guide;

20-a blocking mechanism; 21-a housing; 211-a second limiting part; 212-a mounting portion; 22-a barrier; 221-stop; 222-connection;

30-elastic member.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the subsequent figures.

It should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is commonly put in place when used, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a door handle anti-opening device, which is characterized in that a base 10 is directly connected with a blocking mechanism 20 in a rotating way, the rotation of the door handle can be limited or released by adjusting the rotation of the blocking mechanism 20, and after the blocking mechanism 20 moves to a required position, the blocking mechanism 20 can be driven to axially move outwards relative to the base 10 by arranging an elastic piece 30 between the base 10 and the blocking mechanism 20 so as to limit the relative rotation between the blocking mechanism 20 and the base 10. Therefore, the door handle opening preventing device can realize the blocking of the door handle only through the base 10, the blocking mechanism 20 and the elastic piece 30, compared with the prior art, the device greatly reduces the number of parts, simplifies the assembly precision and is convenient to assemble and disassemble.

Referring to fig. 1 to 6, the door handle opening preventing device includes a base 10, a blocking mechanism 20, and an elastic member 30.

The base 10 includes a base plate 11 and a connector 12 disposed on the base plate 11, and the base plate 11 and the connector 12 may be integrally formed. The bottom plate 11 can be fixed on the inner side of the door panel, and the connector 12 is provided with a first limiting part 121.

The blocking mechanism 20 comprises a housing 21 rotatably sleeved on the connector 12 and a blocking part 22 arranged on the housing 21, the blocking part 22 can rotate along with the housing 21 to limit the door handle to switch between a locking position and an unlocking position, and a second limiting part 211 matched with the first limiting part 121 is arranged on the housing 21.

The elastic member 30 is disposed between the housing 21 and the base 10 to apply a force to the housing 21 that moves axially outward along the connector 12, so that the second limiting portion 211 and the first limiting portion 121 are locked with each other to limit the relative rotation between the housing 21 and the connector 12.

In this embodiment, the door handle anti-opening device is installed at the inner side of the door and near the door handle through the base 10, the housing 21 is pressed by an external force to separate the first limiting part 121 from the second limiting part 211, so as to release the rotation constraint between the blocking mechanism 20 and the base 10, then the blocking mechanism 20 is adjusted to rotate towards the door handle, so that the blocking part 22 is abutted against the door handle, at the moment, the external force is removed, the housing 21 can be driven by the elastic piece 30 to move outwards along the axial direction of the connector 12, so that the first limiting part 121 and the second limiting part 211 are mutually locked to limit the relative rotation between the blocking mechanism 20 and the base 10, thereby limiting the door handle at the locking position, preventing the door handle from rotating downwards to be opened, and avoiding the safety accident caused by the false opening of children or pets; when the door lock needs to be opened, the shell 21 is pressed by external force, so that the first limiting part 121 and the second limiting part 211 are separated from each other, then the blocking mechanism 20 is adjusted to rotate towards the direction deviating from the door handle, the blocking part 22 is far away from the door handle, then the external force is removed, at this time, the shell 21 moves outwards under the action of the elastic piece 30, the first limiting part 121 and the second limiting part 211 are mutually locked, relative rotation between the blocking mechanism 20 and the base 10 is limited, and at this time, the door handle can be adjusted to rotate to an unlocking position.

In some embodiments of the present utility model, the connector 12 or the housing 21 is formed with an annular groove 122, and when the first limiting portion 121 and the second limiting portion 211 are unlocked from each other, the second limiting portion 211 or the first limiting portion 121 can enter the annular groove 122 and rotate along the annular groove 122. The annular groove 122 can limit the axial direction of the connector 12 and the shell 21, so that the blocking mechanism 20 is prevented from falling off from the base 10 during rotation.

Referring to fig. 4, in some embodiments of the present utility model, the first limiting portion 121 is a limiting groove axially disposed along the connecting head 12, and the second limiting portion 211 is a limiting protrusion. The annular groove 122 may be formed on the outer sidewall of the connecting head 12, and is located below the first limiting portion 121 near the bottom plate 11. Thus, when the first limiting part 121 and the second limiting part 211 are required to be unlocked, the limiting protrusion can slide forwards along the limiting groove into the annular groove 122 by pressing the shell 21, so that the first limiting part 121 and the second limiting part 211 are unlocked mutually, and the blocking mechanism 20 can be adjusted to rotate to a required position relative to the base 10.

The limiting grooves can be multiple groups, the limiting grooves are uniformly distributed on the outer side wall of the connector 12 around the axis of the connector 12, and the limiting protrusions are arranged in one-to-one correspondence with the limiting grooves.

Further, the limit groove may include an entry portion 1211 and a sliding groove 1212. The entry portion 1211 is disposed at a front end of the connector 12 facing away from the bottom plate 11, for allowing the limit protrusion to enter the sliding groove 1212, where the entry portion 1211 may have a tapered shape, and an opening size of an end facing away from the sliding groove 1212 is larger than that of the other end, and the entry portion 1211 is illustratively a horn shape, so as to facilitate rapid entry of the limit protrusion. The sliding groove 1212 is connected to the inlet 1211 and extends toward the bottom plate 11, and the sliding groove 1212 can guide the limit protrusion to move toward the predetermined track.

In some embodiments of the present utility model, the blocking portion 22 may include a stopper 221 and a connecting portion 222. The stopper 221 is vertically disposed at one end of the connection portion 222, and can abut against the door handle to restrict the door handle from being turned down to the unlocking position, and the other end of the connection portion 222 facing away from the stopper 221 is connected to the housing 21. In the present embodiment, the stop portion 221, the connecting portion 222, and the housing 21 may be integrally formed, so that the number of parts of the device is reduced, and the assembly method is simplified.

In some embodiments of the present utility model, the elastic member 30 is a spring, and the housing 21 is further provided therein with a mounting portion 212 for mounting the spring. The mounting portion 212 may be a hollow cylinder, and the spring portion is mounted in the mounting portion 212 with the other end of the spring fixed to the base 10. The elastic member 30 can be supported by providing the mounting portion 212.

In some embodiments of the present utility model, the base 10 further includes a guide portion 13 disposed in the connector 12, and a guide hole slidably connected to the mounting portion 212 is disposed in the guide portion 13. The guide portion 13 may be a cylinder, and a guide hole is formed therein, and the mounting portion 212 is inserted into the guide hole and is slidable along the guide hole. The guide portion 13 is provided to further guide the housing 21 to move in the axial direction of the joint 12, thereby preventing the movement direction of the housing 21 from being shifted.

In some embodiments of the utility model, the bottom surface of the base 10 facing away from the connecting head 12 is provided with an adsorption portion. The adsorption part may be a suction cup, and of course, a back adhesive may be disposed on the bottom surface of the base 10, for fixing the base 10 on a door panel.

In some embodiments of the present utility model, the connector 12 is a cavity, and the inner wall of the connector 12 is provided with a weight-reducing groove, so as to reduce the weight of the base 10.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the utility model, and it should be noted that, due to the limited text expressions, there is objectively no limit to the specific structure, and that, for a person skilled in the art, modifications, adaptations or variations may be made without departing from the principles of the present utility model, and the above technical features may be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims

1. The door handle opening preventing device is characterized by comprising a base (10), a blocking mechanism (20) and an elastic piece (30);

the base (10) comprises a bottom plate (11) and a connector (12) arranged on the bottom plate (11), and a first limiting part (121) is arranged on the connector (12);

the blocking mechanism (20) comprises a shell (21) rotatably sleeved on the connector (12) and a blocking part (22) arranged on the shell (21), the blocking part (22) can rotate along with the shell (21) to limit the door handle to be switched between a locking position and an unlocking position, and a second limiting part (211) matched with the first limiting part (121) is arranged on the shell (21);

the elastic piece (30) is arranged between the shell (21) and the base (10) so as to apply an acting force to the shell (21) to move outwards along the axial direction of the connector (12), so that the second limiting part (211) and the first limiting part (121) are mutually locked to limit the relative rotation between the shell (21) and the connector (12).

2. The door handle opening preventing device according to claim 1, wherein an annular groove (122) is formed on the connector (12) or the housing (21), and when the first limiting portion (121) and the second limiting portion (211) are mutually unlocked, the second limiting portion (211) or the first limiting portion (121) can enter the annular groove (122) and rotate along the annular groove (122).

3. The door handle opening prevention device according to claim 2, wherein the first limiting portion (121) is a limiting groove provided along an axial direction of the joint head (12);

the second limiting part (211) is a limiting protrusion.

4. The door handle opening prevention device according to claim 3, wherein the limit groove comprises:

an inlet portion (1211) provided at a front end of the connection head (12) facing away from the base plate (11);

and a slide groove (1212) which communicates with the inlet portion (1211) and extends in the direction of the bottom plate (11).

5. The door handle opening prevention device according to any one of claims 2 to 4, wherein the annular groove (122) is formed at an outer side wall of the joint head (12) and is located below the first limit portion (121) near the bottom plate (11).

6. The door handle opening prevention device according to any one of claims 1 to 4, wherein the blocking portion (22) includes a stopper portion (221) and a connecting portion (222);

the stop part (221) is vertically arranged at one end of the connecting part (222) and can abut against the door handle to limit the door handle to rotate downwards to an unlocking position;

the other end of the connecting part (222) is connected to the housing (21).

7. The door handle opening preventing device according to claim 1, wherein the elastic member (30) is a spring, and a mounting portion (212) for mounting the spring is further provided in the housing (21).

8. The door handle opening prevention device according to claim 7, wherein the base (10) further comprises:

the guide part (13) is arranged in the connector (12), and a guide hole which is in sliding connection with the mounting part (212) is arranged in the guide part (13).

9. The door handle opening prevention device according to any one of claims 1 to 4, wherein the bottom surface of the base (10) facing away from the connector (12) is provided with an adsorption portion.

10. The door handle opening prevention device according to any one of claims 1 to 4, wherein the inside of the connector (12) is a cavity, and a weight reduction groove is formed in the inner wall of the connector (12).