CN114458087A

CN114458087A - Handle assembly

Info

Publication number: CN114458087A
Application number: CN202111675975.0A
Authority: CN
Inventors: 茅立明; 唐海龙
Original assignee: Guangdong Mingmen Locks Industry Co Ltd
Current assignee: Guangdong Mingmen Locks Industry Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-10
Anticipated expiration: 2041-12-31
Also published as: CN114458087B

Abstract

The invention relates to the technical field of locks, and discloses a handle assembly, which comprises: the fixing seat is provided with a cylindrical first limiting part at one end, and a convex limiting clamping platform is arranged on the periphery of the end part of the first limiting part; the handle is a shell, a mounting hole is formed in one side of the handle, the handle is sleeved on the first limiting part, and a limiting baffle plate which extends towards the center of the hole and is abutted against the limiting clamping table at the side face is arranged on the mounting hole so as to limit the handle to move towards one side far away from the fixed seat; the first connecting part is arranged in the first limiting part, and one end of the first connecting part is abutted against the inner wall of the handle; and the return spring is arranged in the first limiting part and applies acting force towards one side of the mounting hole to the first connecting part. Use this handle subassembly on the door lock, when promoting or pulling the handle, spacing card platform can make the handle promote first connecting portion and remove to interlock structure one side as the fulcrum to realize unblanking.

Description

Handle assembly

Technical Field

The invention relates to the technical field of locks, in particular to a handle assembly.

Background

The handle of lock usually with the inside square core lug connection of tool to lock, can rotate the square core through rotating the handle and make the spring bolt withdrawal of tool to lock realize unblanking. But the unlocking habits of different users are different, such as clockwise rotation of the handle, counterclockwise rotation of the handle, inward pushing of the handle, outward pulling of the handle, and the like. To this demand, partial tool to lock manufacture factory has set up the interlock structure between handle and square core, realizes unblanking through promoting, pulling or rotatory handle all can rotate the square core. However, most of common handles have a long handle, and when pushing or pulling the handle, the stress point of the handle is not on the straight line where the square core is located, so that the user is required to apply a large external force to rotate the square core, and the service life of the handle is affected.

Disclosure of Invention

The lever handle assembly is applied to a door lock, and when the lever handle is pushed or pulled, unlocking can be achieved with small external force.

In order to achieve the above object, the present invention provides a handle assembly comprising: the fixing seat is provided with a cylindrical first limiting part at one end, and a convex limiting clamping platform is arranged on the periphery of the end part of the first limiting part; the handle is a shell, one side of the handle is provided with a mounting hole, the handle is sleeved on the first limiting part, and the mounting hole is provided with a limiting baffle plate which extends towards the center of the hole and the side surface of the limiting baffle plate abuts against the limiting clamping table so as to limit the handle to move towards one side far away from the fixed seat; the first connecting part is arranged in the first limiting part, and one end of the first connecting part is abutted against the inner wall of the handle; and the return spring is arranged in the first limiting part and applies acting force towards one side of the mounting hole to the first connecting part.

Preferably, the height of the limiting baffle is smaller than that of the limiting clamping table.

Preferably, the periphery of the first connecting part is provided with a contact surface which is abutted against the inner wall of the first limiting part; one end of the first connecting portion is clamped with the mounting hole.

Preferably, a cylindrical second limiting part is arranged in the first limiting part, and the first connecting part is sleeved on the second limiting part; one end of the first connecting portion is clamped with the mounting hole.

Preferably, a second connecting part is fixedly arranged in the mounting hole, and a polygonal or elliptical connecting boss is arranged at one end of the second connecting part, which is close to the first connecting part; and a third groove with the same shape as the connecting boss is arranged at one end of the first connecting part.

Preferably, one end of the first connecting part is polygonal or elliptical; and an assembling groove with the same shape as that of the end part of the first connecting part is arranged in the mounting hole.

Preferably, the handle comprises a first housing and a second housing that are snapped or bolted together; the mounting hole is formed by splicing a first groove formed in the first shell and a second groove formed in the second shell.

According to the above description and practice, the handle assembly of the present invention has the limiting clamping platform disposed on the periphery of the first limiting portion for supporting the handle, and the first connecting portion disposed in the first limiting portion for connecting with the linkage structure in the door lock. When pushing or pulling the handle, spacing ka tai can make the handle promote first connecting portion and remove to interlock structure one side as the fulcrum to realize unblanking. Because this handle subassembly has adopted lever principle, consequently with less external force promotion or pulling handle can realize unblanking, convenience of customers uses. In addition, because the handle does not slide with first spacing portion and links to each other, the in-process of push-and-pull handle, the two contact surface is less, can reduce the wearing and tearing of the two to the life of this handle subassembly has been improved. In addition, still with first connecting portion and handle joint in this handle subassembly, make the two rotate simultaneously, remain the function that traditional handle rotation was unblanked.

Drawings

Fig. 1 is a schematic cross-sectional view of a handle assembly according to a first embodiment of the present invention.

Fig. 2a and 2b are exploded views of a handle assembly according to a first embodiment of the present invention from two different perspectives.

Fig. 3 is a schematic structural view of a lever handle according to a first embodiment of the present invention.

Fig. 4 is a cross-sectional schematic view of a handle assembly according to a second embodiment of the present invention.

Fig. 5a and 5b are exploded views of a handle assembly according to a second embodiment of the present invention from two different viewing angles.

Fig. 6 is a schematic structural view of a lever handle according to a second embodiment of the present invention.

The reference symbols in the figures are:

1. handle 11, mounting hole 12, limit baffle

13. Second connecting part 14, connecting boss 15 and first shell

16. Second housing 17, first recess 18, second recess

19. Assembly groove 2, fixing seat 21 and first limiting part

22. Mounting part 23, limiting clamping table 24 and second limiting part

3. First connecting part 31, third groove 4 and return spring

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 invention 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 invention.

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.

Example one

The embodiment provides a handle subassembly, and this handle subassembly is installed in one side of lock, and interlock structure one end in the lock links to each other with the square core of lock, and the other end links to each other with this handle subassembly. This handle subassembly promotes or when pulling the handle in the use, and the one end that the AND gate lock interlock structure of handle subassembly links to each other all can move towards same direction to drive the interlock structure motion and drive the square core and rotate, realize unblanking.

Figure 1 shows a cross-sectional configuration of the handle assembly; fig. 2a and 2b show exploded views of the handle assembly at two different viewing angles; fig. 3 shows a structure of the handle in this handle assembly. Referring to fig. 1 to 3, the handle assembly includes: handle 1, fixing base 2, first connecting portion 3 and reset spring 4.

The right side of fixing base 2 is equipped with the first spacing portion 21 of cylinder for install handle 1, first connecting portion 3 and reset spring 4, the left side of fixing base 2 is an installation department 22, and the diameter of installation department 22 is greater than the diameter of first spacing portion 21, can be used to with this handle subassembly fixed mounting on the lock. A stopper boss 23 projecting outward is provided at the right end of the first stopper portion 21. The handle 1 is a housing, one side of which is provided with a mounting hole 11 and is sleeved on the first limiting portion 21, and the inner wall of the mounting hole 11 is provided with a limiting baffle 12 which extends towards the center of the hole and is abutted against the inner side wall of the limiting clamping table 23 on the side surface, so as to limit the handle 1 to move towards the outer side (i.e. the right side in fig. 1) of the limiting clamping table 23. The first connecting portion 3 is disposed in the first limiting portion 21 and is movable in the axial direction thereof, and the right end of the first connecting portion 3 abuts against the inner wall of the handle 1. The return spring 4 is provided in the first stopper portion 21, the left end of the return spring 4 is fixed to, for example, abut against the mounting portion 22, and the right end of the return spring 4 abuts against the first connecting portion 3 to apply an urging force toward the mounting hole 11 to the first connecting portion 3. Reset spring 4 can apply the effort towards the right side to handle 1 indirectly, therefore limit baffle 12 can tightly support on spacing ka tai 23 to make handle 1 can connect on first spacing portion 21 comparatively steadily.

The left end of first connecting portion 3 is used for being connected with the interlock structure of lock, when first connecting portion 3 rotated or moved to interlock structure one side, can drive the square core rotation of lock to the realization is unblanked. An object of the present disclosure is to provide a handle assembly that can move the first connecting portion 3 to a side close to the interlocking structure regardless of pushing or pulling the handle, and therefore the interlocking structure and its connection relationship with the first connecting portion 3 are not described in the present disclosure.

When the handle assembly is used and the upper part of the handle 1 is pushed to the left side, the limiting clamping table 23 can serve as a fulcrum, the handle 1 swings to the left side by taking the intersection point of the limiting baffle 12 on the lower side and the limiting clamping table 23 as a center, and meanwhile, the upper part of the first connecting part 3 is pushed to the left side by the handle 1; when pulling the upper portion of handle 1 to the right side, spacing ka tai 23 can regard as the fulcrum, and handle 1 uses the nodical swing of the spacing baffle 12 of upside and spacing ka tai 23 to the right side as the center, and the lower part of first connecting portion 3 is pushed to the left side by handle 1 simultaneously. In other words, push or pulling handle 1 homoenergetic and realize unblanking, simultaneously because this handle subassembly has adopted lever principle, consequently can realize unblanking with less external force promotion or pulling handle 1, convenience of customers uses. In addition, because handle 1 and first spacing portion 21 do not slide continuously, the in-process of push-and-pull handle 1, the two contact surface is less, can reduce the wearing and tearing of the two to the life of this handle subassembly has been improved.

In the process of pushing or pulling the handle 1, in order to avoid the outer side wall of the first limiting part 21 touched by the limiting baffle 12, the height of the limiting baffle 12 is set to be smaller than that of the limiting clamping table 23, and therefore the service life of the handle assembly can be further prolonged.

In order to retain the function of the conventional rotary handle unlocking, in this embodiment, the first connecting portion 3 is also rotatably disposed in the first limiting portion 21, for example, a contact surface abutting on the inner wall of the first limiting portion 21 is disposed on the periphery of the first connecting portion 3; or a cylindrical second limiting part 24 is concentrically arranged in the first limiting part 21, the left end of the second limiting part 24 is fixedly connected with the mounting part 22, and the first connecting part 3 is sleeved on the second limiting part 24. In the two structures, the first connecting portion 3 can rotate in the first limiting portion 21 and can move in the axial direction. And simultaneously, the right end of the first connecting part 3 is clamped with the mounting hole 11. In this embodiment, the handle 1 is indirectly snapped together with the first connection portion 3 by fixedly providing the second connection portion 13 in the mounting hole 11. Specifically, a polygonal or elliptical connecting boss 14 is provided on the left side of the second connecting portion 13, a third recess 31 having the same shape as the connecting boss 14 is provided on the right end of the first connecting portion 3, and the connecting boss 14 is engaged with the third recess 31, so that the lever handle 1 and the first connecting portion 3 can be rotated simultaneously. The function of pushing or pulling the handle to unlock is not influenced while the function of rotating the handle to unlock is realized. Similarly, the connection relationship between the left end of the first connection portion 3 and the linkage structure is not the point of the present disclosure, and therefore, the description is omitted.

In this embodiment, the handle 1 is assembled by the first casing 15 and the second casing 16, and the two are bolted or clamped together, and are conveniently installed on the first limiting portion 21. The first shell 15 is provided with a circular arc-shaped first groove 17 and a second groove 18 on the second shell 16, which are spliced, and the two grooves are oppositely arranged and butted together to form a circular mounting hole 11.

Example two

Figure 4 shows a cross-sectional configuration of the handle assembly; figures 5a and 5b show exploded views of the handle assembly at two different viewing angles; fig. 6 shows a structure of the handle in this handle assembly. Referring to fig. 4 to 6, the handle assembly includes: handle 1, fixing base 2, first connecting portion 3 and reset spring 4.

The right side of fixing base 2 is equipped with the first spacing portion 21 of cylinder for install handle 1, first connecting portion 3 and reset spring 4, the left side of fixing base 2 is an installation department 22, and the diameter of installation department 22 is greater than the diameter of first spacing portion 21, can be used to with this handle subassembly fixed mounting on the lock. A stopper boss 23 projecting outward is provided at the right end of the first stopper portion 21. The handle 1 is a housing, one side of which is provided with a mounting hole 11 and is sleeved on the first limiting portion 21, and the inner wall of the mounting hole 11 is provided with a limiting baffle 12 which extends towards the center of the hole and is abutted against the inner side wall of the limiting clamping table 23 on the side surface, so as to limit the handle 1 to move towards the outer side (i.e. the right side in fig. 3) of the limiting clamping table 23. The first connecting portion 3 is disposed in the first limiting portion 21 and is movable in the axial direction thereof, and the right end of the first connecting portion 3 abuts against the inner wall of the handle 1. The return spring 4 is provided in the first stopper portion 21, the left end of the return spring 4 is fixed to, for example, abut against the mounting portion 22, and the right end of the return spring 4 abuts against the first connecting portion 3 to apply an urging force toward the mounting hole 11 to the first connecting portion 3. Reset spring 4 can apply the effort towards the right side to handle 1 indirectly, therefore limit baffle 12 can tightly support on spacing ka tai 23 to make handle 1 can connect on first spacing portion 21 comparatively steadily.

In the process of pushing or pulling the handle, in order to avoid the lateral wall of the first spacing portion 21 of limit baffle 12 touching, set up the height of limit baffle 12 to be less than the height of spacing ka tai 23, consequently can further improve the life of this handle subassembly.

In order to retain the function of the conventional rotary handle unlocking, in this embodiment, the first connecting portion 3 is also rotatably disposed in the first limiting portion 21, for example, a circular contact surface abutting on the inner wall of the first limiting portion 21 is disposed on the periphery of the first connecting portion 3; or a cylindrical second limiting part 24 is concentrically arranged in the first limiting part 21, the left end of the second limiting part 24 is fixedly connected with the mounting part 22, and the first connecting part 3 is sleeved on the second limiting part 24. In the two structures, the first connecting portion 3 can rotate in the first limiting portion 21 and can move in the axial direction. And simultaneously, the right end of the first connecting part 3 is clamped with the mounting hole 11. In this embodiment, the right end of the first connecting portion 3 is made rectangular, and a rectangular fitting groove 19 is provided in the mounting hole 11, and the right end of the first connecting portion 3 is inserted into the fitting groove 19, so that the handle 1 and the first connecting portion 3 can be rotated simultaneously. The function of pushing or pulling the handle to unlock is not influenced while the function of rotating the handle to unlock is realized. Similarly, since the connection relationship between the left end of the first connection portion 3 and the linkage structure is not the point of the present disclosure, it is not described again. In another embodiment, the handle 1 and the first connection portion 3 can be rotated simultaneously by changing the shape of the fitting groove 19 to the same shape as that of the right end of the first connection portion 3 having another polygonal or elliptical shape.

It will be evident to those skilled in the art that the invention 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 invention 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A handle assembly, comprising:

the fixing seat is provided with a cylindrical first limiting part at one end, and a convex limiting clamping platform is arranged on the periphery of the end part of the first limiting part;

the handle is a shell, a mounting hole is formed in one side of the handle, the handle is sleeved on the first limiting part, and a limiting baffle plate which extends towards the center of the hole and is abutted against the limiting clamping table at the side face is arranged on the mounting hole so as to limit the handle to move towards one side far away from the fixed seat;

the first connecting part is arranged in the first limiting part, and one end of the first connecting part is abutted against the inner wall of the handle;

and the return spring is arranged in the first limiting part and applies acting force towards one side of the mounting hole to the first connecting part.

2. The handle assembly of claim 1, wherein,

the height of the limiting baffle is smaller than that of the limiting clamping table.

3. The handle assembly of claim 2, wherein,

the periphery of the first connecting part is provided with a contact surface which is abutted against the inner wall of the first limiting part;

one end of the first connecting portion is clamped with the mounting hole.

4. The handle assembly of claim 2, wherein,

a cylindrical second limiting part is arranged in the first limiting part, and the first connecting part is sleeved on the second limiting part;

one end of the first connecting portion is clamped with the mounting hole.

5. The handle assembly of claim 3 or 4, wherein,

a second connecting part is fixedly arranged in the mounting hole, and a polygonal or elliptical connecting boss is arranged at one end of the second connecting part, which is close to the first connecting part;

and a third groove with the same shape as the connecting boss is arranged at one end of the first connecting part.

6. The handle assembly of claim 3 or 4, wherein,

one end of the first connecting part is polygonal or elliptical;

and an assembling groove with the same shape as that of the end part of the first connecting part is arranged in the mounting hole.

7. The handle assembly of claim 1, wherein,

the handle comprises a first shell and a second shell which are clamped or bolted together;

the mounting hole is formed by splicing a first groove formed in the first shell and a second groove formed in the second shell.