CN216240148U

CN216240148U - Handle reversing device and lockset

Info

Publication number: CN216240148U
Application number: CN202121683731.2U
Authority: CN
Inventors: 唐海龙; 彭件发; 罗胜
Original assignee: Guangdong Mingmen Locks Industry Co Ltd
Current assignee: Guangdong Mingmen Locks Industry Co Ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-04-08
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to the technical field of locks, and discloses a handle reversing device and a lock comprising the same, wherein the handle reversing device comprises: the middle part of the shell is provided with a mounting hole, and the inner side wall of the shell is provided with two positioning columns which are symmetrical along the center of the mounting hole; the handle comprises a holding part and a mounting part, and the mounting part is arranged in the mounting hole in a penetrating way; the reversing block is sleeved on the mounting part, one end of the reversing block is detachably connected with the positioning column, one side of the reversing block is provided with an annular groove, and the outer side wall of the annular groove is provided with two first notches; the torsion spring is sleeved in the annular groove, and the two torsion arms are respectively arranged in the two first notches; the rotating piece is nested on the mounting part, one side of the rotating piece is provided with a torsional spring shifting piece, and the torsional spring shifting piece is arranged between the two torsion arms and is abutted against the torsion arms; and the fastening device is arranged on the mounting part, and the side edge of the fastening device is tightly propped against the rotating sheet. The handle reversing device can realize the reversing function of the handle under the condition that components such as the rotating sheet and the fastening device are not dismounted.

Description

Handle reversing device and lockset

Technical Field

The utility model relates to the technical field of locks, in particular to a reversible handle and a lock comprising the same.

Background

The lock is divided into two types of left-opening and right-opening according to the door opening direction, and correspondingly, the orientation and the rotation direction of the handle are different. In order to achieve the same lock with the above two door opening directions, the handle is usually designed to be reversible. For example, establish into detachable form with the mounting such as rotation piece, spring, nut on the handle, when needs switching-over, not hard up above-mentioned mounting, pull down the back with the handle, rotate 180 and fix the installation handle again and can realize the switching-over. However, all the operations for realizing the reversing require special tools, and the handle needs to be disassembled and then assembled again, so that the operation is complex and time-consuming; and assemble once more after disassembling and can destroy the wholeness of handle, influence handle pulling force and cooperation stability, make the handle produce not hard up in subsequent use easily to it is flagging or drops to appear, produces very adverse effect to product quality and life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a handle reversing device and a lockset comprising the same, so that the handle can be reversed without disassembling all parts in the handle, and the processes of disassembly and reassembly are avoided.

In order to achieve the purpose, the utility model provides a handle reversing device on one hand, which comprises a shell, wherein the middle part of the shell is provided with a mounting hole, and the inner side wall of the shell is provided with two positioning columns which are symmetrical along the center of the mounting hole; the handle comprises a holding part and a mounting part, and the mounting part is arranged in the mounting hole in a penetrating manner; the reversing block is sleeved on the mounting part, one end of the reversing block is detachably connected with the positioning column, an annular groove is formed in one side, away from the shell, of the reversing block, and two first notches are formed in the outer side wall of the annular groove; the torsion spring is sleeved in the annular groove, two torsion arms of the torsion spring are respectively arranged in the two first notches, and the torsion arms are abutted against the outer side wall between the two first notches; the rotating piece is nested on the mounting part and can synchronously rotate with the mounting part, and one side of the rotating piece, which is close to the shell, is provided with a torsional spring shifting piece which is arranged between the two torsion arms and is abutted against the torsion arms; when the rotating piece rotates, the torsion spring poking piece drives the torsion arm to rotate in the first notch, and meanwhile, the torsion spring generates resilience force opposite to the rotating direction; and the fastening device is arranged on the mounting part, and the side tightly supports the rotating sheet to limit the rotating sheet to move along the axial direction of the mounting part.

Preferably, the inner side wall is further provided with two first limiting blocks which are respectively arranged on two sides of the mounting hole; a second limiting block is arranged on one side, close to the shell, of the reversing block; when the reversing block rotates, the motion track of the second limiting block is located between the two first limiting blocks.

Preferably, the maximum angle of rotation of the diverter block is 180 °.

Preferably, the mounting part is provided with a limit groove along the axial direction; the rotating sheet is provided with a convex block matched with the limiting groove, and the convex block is clamped in the limiting groove.

Preferably, the inner side wall of the shell is provided with an annular positioning boss along the mounting hole, and the side surface of the reversing block is provided with a positioning groove matched with the positioning boss.

Preferably, the periphery of the positioning groove is further provided with an annular supporting boss, and the thickness of the supporting boss is the same as that of the second limiting block.

Preferably, a second notch is further formed in the inner side wall of the annular groove; one side of the rotating sheet, which is close to the shell, is provided with a limiting part, and the limiting part is arranged in the second notch and can rotate along the second notch.

Preferably, the surface of the mounting part is provided with an external thread; the fastening device comprises a washer and a nut which are sequentially sleeved on the mounting part.

Preferably, one end of the reversing block is provided with an extended positioning block, and the positioning block and the positioning column are connected together through a screw.

In order to achieve the above object, another aspect of the present invention provides a lock including the handle reversing device as described above.

From the above description and practice, it will be apparent that the present invention has the following advantages:

1. this handle switching-over device is under the condition of not dismantling inside torsional spring, switching-over piece, turn to piece and fastener, only through demolising a screw, alright carry out the switching-over operation to it. The condition that each component on the handle front end installation portion can not take place not hard up, warp or shift is ensured, the stability of handle has been improved, the problem that the handle droops or drops appears after avoiding the switching-over, the life of handle has been promoted.

2. This handle switching-over device only through the dismouting of a screw alright commutate and fix the handle for the handle switching-over operation becomes more convenient, quick.

3. The device sets up first stopper on the casing and sets up the second stopper on the switching-over piece, through the cooperation of first stopper and second stopper, can fix a position it fast when the handle commutates, is convenient for be in the same place switching-over piece and casing fixed connection.

Drawings

Fig. 1 is a schematic structural view of a handle reversing device according to an embodiment of the present invention;

fig. 2 is an exploded view of a handle reversing device according to an embodiment of the present invention from a first perspective;

fig. 3 is an exploded view of a handle reversing device according to an embodiment of the present invention from a second perspective;

FIG. 4 is a schematic view of a housing according to an embodiment of the present invention;

fig. 5 is a schematic front view of a commutation block according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a back side structure of a commutation block involved in one embodiment of the utility model;

FIG. 7 is a schematic view of the assembly of the reversing block and torsion spring involved in one embodiment of the present invention;

FIG. 8 is a schematic view of a rotating plate according to an embodiment of the present invention;

the reference numbers in the figures are:

1. the handle comprises a handle body 11, a holding part 12, a mounting part 13 and a limiting groove;

2. the positioning device comprises a shell body 21, a mounting hole 22, a positioning column 23, a first limiting block 24 and a positioning boss;

3. the reversing block 31, the positioning block 32, the annular groove 33, the first notch 34, the second limiting block 35, the positioning groove 36, the supporting boss 37 and the second notch;

4. a torsion spring;

5. the rotating piece 51, the bump 52, the torsion spring shifting piece 53 and the limiting part;

6. a screw;

7. a gasket;

8. and a nut.

Detailed Description

Exemplary embodiments will now be described more fully with reference to the accompanying drawings. The exemplary embodiments, however, may be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. In the present disclosure, the terms "include", "arrange", "disposed" and "disposed" are used to mean open-ended inclusion, and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.; the terms "first," "second," and the like are used merely as labels, and are not limiting as to the number or order of their objects; the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the handle reversing device in this embodiment includes a handle 1, a case 2, a reversing block 3, a torsion spring 4, a rotating piece 5, and a fastening device. Wherein, the middle part of casing 2 is equipped with mounting hole 21, and handle 1 includes the installation department 12 that is used for the portion of gripping 11 that grips and is used for being connected with other components. The installation part 12 penetrates through the installation hole 21, the rear front end is positioned at the inner side of the shell 2, and the reversing block 3, the torsion spring 4, the rotating sheet 5 and the fastening device are sequentially sleeved on the installation part 12.

Referring to fig. 4, two positioning posts 22 are disposed on the inner side wall of the housing 2 and are symmetrical about the center of the mounting hole 21. A screw hole is formed in the positioning column 22 and used for being connected with the reversing block 3.

Referring to fig. 5-7, one end of the reversing block 3 is provided with an extended positioning block 31, the positioning block 31 is also provided with a screw hole, and the positioning block 31 and the positioning column 22 are connected together by a screw 6, so as to detachably connect the reversing block 3 and the housing 2. An annular groove 32 is formed in one side, far away from the shell 2, of the reversing block 3 and used for accommodating the torsion spring 4, the annular groove 32 is provided with an annular inner side wall and an annular outer side wall, and the torsion spring 4 is arranged between the inner side wall and the outer side wall. Two first notches 33 are formed in the outer side wall of the annular groove 32, two torsion arms of the torsion spring 4 are respectively arranged in the two first notches 33, and the torsion arms abut against the outer side wall between the two first notches 33.

Referring to fig. 8, the rotating plate 5 is nested on the mounting portion 12, the mounting portion 12 is provided with a limiting groove 13 along the axial direction, and a protrusion 51 matched with the limiting groove 13 is provided in the middle of the rotating plate 5. The projection 51 is clamped in the limit groove 13 to ensure that the rotating sheet 5 can synchronously rotate along with the mounting part 12. A torsion spring pick 52 is disposed on one side of the rotating piece 5 close to the housing 2, please refer to fig. 1, the torsion spring pick 52 is disposed between two torsion arms of the torsion spring 4, and the torsion spring pick 52 abuts against the two torsion arms of the torsion spring 4. When rotating handle 1, torsional spring plectrum 52 can drive one of them torque arm and remove to the other end by the one end of first breach 33, and 4 production of torsional spring simultaneously and the resilience force that rotates the opposite direction, and after loosening handle 1, torsional spring 4 can kick-back torsional spring plectrum 52 to initial position, and correspondingly, handle 1 also accomplishes and resets.

The fastening means is provided on the mounting portion 12 and functions to restrict the displacement of the rotary piece 5 in the axial direction of the mounting portion 12. As shown in fig. 1-3, in this embodiment, the fastening means comprises a washer 7 and a nut 8 that fit over the mounting portion 12, and the mounting portion 12 is provided on its outer surface with an external thread that mates with the nut 8. A lug matching with the limit groove 13 is provided in the middle of the washer 7 so as to be rotatable synchronously with the mounting portion 12. When in use, the nut 8 is screwed, and the reversing block 3, the torsion spring 4 and the rotating sheet 5 can be sequentially pressed against the inner side of the shell 2. In other embodiments, the fastening device may be replaced by a pin passing through the mounting portion 12, and may also serve to limit the displacement of the rotating piece 5 along the axial direction of the mounting portion 12.

Above handle switching-over device when needs commutate the handle, takes off screw 6, separates between switching-over piece 3 and the casing 2, rotates handle 1 this moment, and the rotor 5 on the installation department 12 drives torsional spring 4 and rotates, and 4 torsion arms of torsional spring then drive switching-over piece 3 and rotate, when rotating locating piece 31 on the switching-over piece 3 to another reference column 22, utilize screw 6 with locating piece 31 and this reference column 22 fixed connection together. At this moment, the reversing block 3 is fixedly connected with the shell 2, and the reversing operation of the handle is completed. When the handle 1 is rotated again, only the rotating sheet 5 and the torsion spring 4 rotate along with the installation part 12, the reversing block 3 is fixed, and the torsion arm of the torsion spring 4 rotates in the first notch 33.

Referring to fig. 4 and fig. 6, in this embodiment, two first limiting blocks 23 are further disposed on the inner side wall of the housing 2, the two first limiting blocks 23 are respectively disposed at two sides of the mounting hole 21, and a connection line of the two first limiting blocks 23 does not pass through a center of the mounting hole 21. Meanwhile, a second stopper 34 is provided on the back of the reversing block 3, i.e., on a side surface close to the housing 2. When the reversing block 3 rotates, the motion trail of the second limiting block 34 is always located between the two first limiting blocks 23. This structure can prevent that the turned angle of handle is too big when the handle carries out the switching-over operation.

In this embodiment, the thicknesses of the first stopper 23 and the second stopper 34 are the same, and the first stopper 23 and the second stopper 34 are in the same plane. In order to be able to position the reversing block 3 quickly and accurately when the handle 1 is reversed, the positions of the two first limiting blocks 23 are set to limit the maximum rotation angle of the reversing block 3 to 180 °. Specifically, when the positioning block 31 on the reversing block 3 is connected with one positioning column 22, the side edge of the second limiting block 34 abuts against the side edge of one of the first limiting blocks 23; when the positioning block 31 on the direction changing block 3 is connected to another positioning column 22, the side edge of the second limiting block 34 abuts against the side edge of another first limiting block 23, that is, the maximum rotation angle of the turning block 3 is 180 °.

Referring to fig. 4 and 6, in this embodiment, an annular positioning boss 24 is provided on the inner side wall of the housing 2 along the mounting hole 21, and a positioning groove 35 matching with the positioning boss 24 is provided on the side surface of the reversing block 3. During the installation, location boss 24 wears to establish in positioning groove 35, can restrict the radial displacement of switching-over piece 3 along installation department 12, when carrying out the handle switching-over operation, switching-over piece 3 only can rotate around the axial of installation department 12, and can not produce radial rocking to can accomplish the switching-over operation fast and stably.

In addition, an annular supporting boss 36 is further arranged on the periphery of the positioning groove 35, and the thickness of the supporting boss is the same as that of the second limiting block 34. Through setting up this support boss 36 can be with between the lateral wall of switching-over piece 3 and casing 2 the lateral wall by the point contact thixotropy more surface contact, improved the device's stability, ensure that this handle switching-over device has longer life.

In addition, a second notch 37 is further provided on the inner side wall of the annular groove 32, and a limiting portion 53 is provided on the side of the rotating piece 5 close to the housing 2, wherein the limiting portion 53 is a protruding structure on the surface of the rotating piece 5. The stopper 53 is provided in the second notch 37 and can rotate along the second notch 37, and functions to further restrict the rotation angle of the rotor 5, that is, the rotation angle of the handle 1. The torsion spring 4 is ensured not to exceed the maximum deformation amount of the torsion spring when rotating along with the rotating sheet 5, and the service life of the torsion spring 4 is prolonged.

In addition, still disclose a tool to lock in this embodiment, contained foretell handle switching-over device, in the installation department 12 of 1 front end of handle, be equipped with square mounting hole along the axial for be connected with the square core in the tool to lock, the square core links to each other with the spring bolt of tool to lock, can realize stretching out and withdrawing of spring bolt through rotating handle 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. A handle switching-over device which characterized in that includes:

the middle part of the shell is provided with a mounting hole, and two positioning columns which are symmetrical along the center of the mounting hole are arranged on the inner side wall of the shell;

the handle comprises a holding part and a mounting part, and the mounting part is arranged in the mounting hole in a penetrating manner;

the reversing block is sleeved on the mounting part, one end of the reversing block is detachably connected with the positioning column, an annular groove is formed in one side, away from the shell, of the reversing block, and two first notches are formed in the outer side wall of the annular groove;

the torsion spring is sleeved in the annular groove, two torsion arms of the torsion spring are respectively arranged in the two first notches, and the torsion arms are abutted against the outer side wall between the two first notches;

the rotating piece is nested on the mounting part and can synchronously rotate with the mounting part, and one side of the rotating piece, which is close to the shell, is provided with a torsional spring shifting piece which is arranged between the two torsion arms and is abutted against the torsion arms; when the rotating piece rotates, the torsion spring poking piece drives the torsion arm to rotate in the first notch, and meanwhile, the torsion spring generates resilience force opposite to the rotating direction;

and the fastening device is arranged on the mounting part, and the side tightly supports the rotating sheet to limit the rotating sheet to move along the axial direction of the mounting part.

2. The handle reversing device of claim 1,

the inner side wall is also provided with two first limiting blocks which are respectively arranged at two sides of the mounting hole;

a second limiting block is arranged on one side, close to the shell, of the reversing block;

when the reversing block rotates, the motion track of the second limiting block is located between the two first limiting blocks.

3. The handle reversing device of claim 2,

the maximum angle of rotation of the reversing block is 180 degrees.

4. The handle reversing device of claim 1,

the mounting part is provided with a limiting groove along the axial direction;

the rotating sheet is provided with a convex block matched with the limiting groove, and the convex block is clamped in the limiting groove.

5. The handle reversing device of claim 2,

the inside wall of casing is followed the mounting hole is equipped with annular location boss, the side of switching-over piece be equipped with location boss assorted positioning groove.

6. The handle reversing device of claim 5,

the periphery of positioning groove still is equipped with annular support boss, support boss's thickness with the thickness of second stopper is the same.

7. The handle reversing device of claim 1,

a second notch is also formed in the inner side wall of the annular groove;

one side of the rotating sheet, which is close to the shell, is provided with a limiting part, and the limiting part is arranged in the second notch and can rotate along the second notch.

8. The handle reversing device of claim 1,

the surface of the mounting part is provided with an external thread;

the fastening device comprises a washer and a nut which are sequentially sleeved on the mounting part.

9. The handle reversing device of claim 1,

one end of the reversing block is provided with an extended positioning block, and the positioning block is connected with the positioning column through a screw.

10. A lock comprising the handle reversing device of any of claims 1-9.