CN211776515U

CN211776515U - Handle assembly and lock

Info

Publication number: CN211776515U
Application number: CN202020163298.9U
Authority: CN
Inventors: 王娇; 周春华
Original assignee: Shenzhen Lutuo Technology Co Ltd
Current assignee: Shenzhen Lutuo Technology Co Ltd; Shenzhen Lumi United Technology Co Ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-10-27
Anticipated expiration: 2030-02-12

Abstract

The embodiment of the application provides a handle subassembly and tool to lock. The handle assembly includes a mounting member, a handle rotation member, a handle, and a handle lock. The mounting member is provided with a handle lock portion. The handle rotates the piece and installs in the installed part. The handle is connected to the handle rotation member. The handle locking piece is installed in the handle rotation piece to be located the first position or the second position of handle rotation piece selectively. The handle locking piece at the first position is matched with the handle locking part, and the handle rotating piece is fixed relative to the mounting piece; the handle locking piece that is located the second position separates with handle locking portion, and the rotation of handle drives the relative installed part rotation of handle rotation piece. In the handle subassembly and the tool to lock that this application embodiment provided, the handle lock piece that is located the first position cooperates with handle lock portion, and the handle lock portion of installed part rotates the rotation that the cooperation restricted handle rotated piece with the handle, even pull the handle, the handle also can't drive the handle and rotate the piece and rotate and unblank to the security of handle subassembly has been improved.

Description

Handle assembly and lock

Technical Field

The application relates to the technical field of door locks, in particular to a handle assembly and a lock.

Background

In the existing anti-theft door, when a door handle is pulled indoors, the door handle drives a lock tongue in a lock body to move, so that the anti-theft door is opened. However, the security door is generally provided with a cat eye for a user to observe outdoor conditions, and an outdoor person can easily open the security door by breaking the cat eye, extending a specially-made long rod into a room and pulling a door handle.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a handle subassembly and tool to lock to solve above-mentioned technical problem.

The embodiment of the application realizes the aim through the following technical scheme.

In a first aspect, embodiments of the present application provide a handle assembly. The handle assembly includes a mounting member, a handle rotation member, a handle, and a handle lock. The mounting member is provided with a handle lock portion. The handle rotates the piece and installs in the installed part. The handle is connected to the handle rotation member. The handle locking piece is installed in the handle rotation piece to be located the first position or the second position of handle rotation piece selectively. The handle locking piece at the first position is matched with the handle locking part, and the handle rotating piece is fixed relative to the mounting piece; the handle locking piece that is located the second position separates with handle locking portion, and the rotation of handle drives the relative installed part rotation of handle rotation piece.

In some embodiments, the handle rotation member has a sliding groove formed on a side wall thereof and extending in an axial direction of the handle rotation member, and the handle lock member is slidably mounted on the sliding groove.

In some embodiments, the handle locking portion is provided with a snap groove. The handle locking piece comprises a push rod and a clamping block which are connected, the push rod is arranged in the sliding groove in a sliding mode, and the sliding of the push rod in the sliding groove drives the clamping block to be selectively matched with or separated from the clamping groove.

In some embodiments, the mounting member is provided with a mounting through hole, the handle rotating member is arranged through the mounting through hole, and the clamping groove is communicated with the mounting through hole.

In some embodiments, the handle lock further comprises a push block coupled to the push rod. The handle is provided with a limiting groove, and the push block is exposed out of the handle from the limiting groove.

In some embodiments, the handle lock further comprises a snap member, the snap member being captured between the push rod and the handle rotating member.

In some embodiments, the elastic fastener includes a connecting portion and a fastening portion, the connecting portion is mounted on the push rod, the fastening portion has elastic deformation, and the fastening portion abuts against the handle rotation member.

In some embodiments, the push rod is provided with a first mounting groove and a second mounting groove, the connecting portion comprises a first connecting piece and a second connecting piece, the first connecting piece is located in the first mounting groove, the second connecting piece is located in the second mounting groove, an avoiding area is arranged between the first mounting groove and the second mounting groove, and the buckling portion is at least partially arranged for the avoiding area.

In some embodiments, the handle rotating part is provided with a first groove and a second groove which are distributed at intervals, and the sliding of the push rod drives the buckling part to be selectively buckled in the first groove or the second groove. The clamping part clamped in the first groove enables the handle locking piece to be located at the first position, and the clamping part clamped in the second groove enables the handle locking piece to be located at the second position.

In a second aspect, an embodiment of the present application provides a lock, and the lock includes the handle subassembly of lock body, square bar and any above-mentioned embodiment, and the handle rotates the piece and is connected through the square bar with the lock body, and the handle subassembly drives the square bar and rotates, and the rotation of square bar drives the spring bolt motion in the lock body in order to realize locking and unblanking of lock body.

In the handle assembly and the lockset provided by the embodiment of the application, the mounting piece is provided with the handle locking part, the handle locking part is arranged on the handle rotating piece, the handle locking part at the first position is matched with the handle locking part, the handle locking part of the mounting piece is matched with the handle rotating piece to limit the rotation of the handle rotating piece, and even if the handle is pulled, the handle cannot drive the handle rotating piece to rotate so as to unlock, so that the safety of the handle assembly is improved; the handle locking piece that is located the second position separates with handle locking portion, and the handle locking portion of installed part is relieved the rotation restriction of handle locking piece, can drive the handle through rotating the handle and rotate the piece and rotate and unblank. The handle subassembly and the tool to lock simple structure that this application embodiment provided, handle pivoted locking with remove convenient and fast, the safe and reliable of operation.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lock provided in an embodiment of the present application.

FIG. 2 is an exploded view of the handle assembly of the latch of FIG. 1.

Fig. 3 is a schematic structural diagram of a handle turning piece according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a handle provided in an embodiment of the present application.

Fig. 5 is an exploded view of a handle lock according to an embodiment of the present disclosure.

FIG. 6 is a cross-sectional view of the handle lock of the handle assembly of the lockset of FIG. 1 in a first position.

FIG. 7 is a cross-sectional view of the handle lock of the handle assembly of the lockset of FIG. 1 in a second position.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, the present embodiment provides a lock 100, the lock 100 includes a handle assembly 12 and a lock body 14, the handle assembly 12 and the lock body 14 can be mutually matched and jointly installed in a door body. The lock body 14 may be installed and embedded in the door body to expose the latch bolt to the door body, and the handle assembly 12 may be installed on one side of the door body facing the indoor space. The handle assembly 12 and the lock body 14 can be connected through a square rod 16, the handle assembly 12 can drive the square rod 16 to rotate, and the rotation of the square rod 16 drives a lock tongue in the lock body 14 to move so as to realize the locking and unlocking functions of the lock body 14.

Referring to FIG. 2, the handle assembly 12 includes a mounting member 122, a handle rotation member 124, a handle 126, and a handle lock member 128. The handle rotator 124 is mounted to the mounting member 122, the handle 126 is coupled to the handle rotator 124, and the handle locker 128 is mounted to the handle rotator 124.

The mounting member 122 may have a circular shape, an elliptical shape, a rectangular parallelepiped shape, or other polygonal shapes, and in the present embodiment, the mounting member 122 may have a rectangular parallelepiped shape with rounded four sides, as shown in fig. 1. The mounting member 122 is adapted to be coupled to the door, for example, the mounting member 122 may be coupled to the door by a threaded connection, so that the handle assembly 12 can be mounted and fixed to the door. The mounting member 122 may be made of a metal material such as an aluminum alloy or a zinc alloy.

The mount 122 includes a front 1222 and a back 1224, the back 1224 being configured to engage the door body. The mounting member 122 is provided with a mounting through hole 1228, and the mounting through hole 1228 may be circular. The mounting through-hole 1228 is for mating with the handle rotator 124. The mounting member 122 is provided with a handle locking portion 1226. In this embodiment, the handle locking portion 1226 is, for example, a slot formed in the mounting member 122, the slot is formed in the front 1222, and the slot can communicate with the mounting through hole 1228. In other embodiments, the handle latching portion 1226 can also be a protrusion (not shown) located on the front surface 1222 and outside of the mounting through-hole 1228. The number of the bumps can be two, and the two bumps are arranged at intervals and form an interval space.

Referring to fig. 2 and 3, the handle rotation member 124 is disposed through the installation through hole 1228, and the handle rotation member 124 is rotatably connected to the installation member 122. The handle rotation member 124 is provided with a slide groove 1244, and the slide groove 1244 is provided on a side wall 1242 of the handle rotation member 124 and extends in the axial direction of the handle rotation member 124. The slotted guide 1244 may extend through an end of the handle rotator 124 facing the handle 126. Chute 1244 is for mating with handle latch 128.

The handle rotation member 124 further has a first recess 1246 and a second recess 1248, and the first recess 1246 and the second recess 1248 are disposed on the surface enclosing the sliding slot 1244. In this embodiment, the first recess 1246 and the second recess 1248 are disposed on the surface 1245 of the handle rotation member 124 on the sliding slot 1244. The first recess 1246 and the second recess 1248 are spaced apart, for example, the first recess 1246 and the second recess 1248 may be spaced apart along the extending direction of the sliding slot 1244, the first recess 1246 is closer to the mounting member 122 than the second recess 1248, and the first recess 1246 and the second recess 1248 are both located on the front face 1222 side of the mounting member 122.

The distance between the center of the first recess 1246 and the center of the second recess 1248 may be greater than or equal to 3 mm and less than or equal to 6 mm, and in this embodiment, the distance between the center of the first recess 1246 and the center of the second recess 1248 is 4 mm. The distance between the center of the first recess 1246 and the center of the second recess 1248 may also be adjusted according to practical situations, and specific values are not limited herein.

The handle rotator 124 may further include a positioning groove 1240, the positioning groove 1240 being formed in a side wall 1242 of the handle rotator 124 and extending in the axial direction of the handle rotator 124, the positioning groove 1240 being spaced apart from the sliding groove 1244. The detent 1240 may extend through the end of the handle rotator 124 facing the handle 126. The number of the positioning recesses 1240 may be plural (the term "plural" in this application means greater than or equal to two), for example, the number of the positioning recesses 1240 may be two or three or four or five, in this embodiment, the number of the positioning recesses 1240 is four, and four positioning recesses 1240 are equally spaced apart from the side wall 1242 of the handle rotator 124. The detent 1240 is used to mate with the handle 126.

Referring to fig. 4, the handle 126 can be bent to form a first section 1262 and a second section 1264 perpendicular to each other, wherein the length of the second section 1264 is longer than that of the first section 1262. The first section 1262 is adapted to be connected to the handle rotator 14 and the second section 1264 is adapted to facilitate gripping by a user. Of course, in other embodiments, the handle 126 may not include the first section 1262 and the second section 1264, and the handle 126 may be shaped like a truncated cone.

A locating block 1266 is formed in the handle 126, the locating block 1266 being located in the first section 1262. The number of the positioning blocks 1266 may be the same as or less than the number of the positioning grooves 1240, and in this embodiment, the number of the positioning blocks 1266 is the same as the number of the positioning grooves 1240.

The handle 126 is connected to the handle rotator 124. The first section 1262 of the handle 126 is sleeved on the handle rotating member 124, and each positioning block 1266 is installed in a corresponding one of the positioning grooves 1240, after the handle 126 and the handle rotating member 124 are accurately installed and aligned, the handle 126 and the handle rotating member 124 are fixed by a fastener such as a screw, so that the handle 126 can drive the handle rotating member 124 to rotate relative to the installation member 122 under the rotation of a user.

The handle lock 128 is slidably mounted to the handle rotator 124. In this embodiment, as shown in fig. 5, the handle lock 128 includes a push rod 1282, a latch 1284, and a push block 1286. The clamping block 1284 and the pushing block 1286 are both arranged on the pushing rod 1282. The push rod 1282 may have a rectangular parallelepiped shape. The push rod 1282 is slidably disposed in the slide groove 1244, and the push rod 1282 slides back and forth in the slide groove 1244.

The latch 1284 is fixedly connected to the push rod 1282 and is located outside the slide 1244. The fixture block 1284 and the push rod 1282 can be integrally formed by adopting a die; the latch 1284 and the push rod 1282 may be two independent structures, and the two structures may be connected by means of fastening, screwing, gluing, etc. The latch 1284 is selectively engaged with or disengaged from the handle lock 1226 via the push rod 1282. In this embodiment, the handle locking portion 1226 is a locking slot, the locking block 1284 may be locked in the locking slot to be engaged with the locking slot, and the locking block 1284 may also be disengaged from the locking slot to be separated from the locking slot. In other embodiments, when the handle locking portion 1226 is a protrusion corresponding to the clipping block 1284, the clipping block 1284 may be clipped in the space between the two protrusions and against the protrusion, so that the protrusion is engaged with the clipping block 1284; the catches 1284 may also disengage from the spacing space to disengage from the bumps.

The push block 1286 is fixedly connected to the push rod 1282. The push block 1286 is located outside the slide 1244 and spaced from the latch 1284. Push block 1286 facilitates a user sliding handle lock 128 back and forth within chute 1244. The push block 1286 and the push rod 1282 can be integrally formed by a mold, or the push rod 1282, the fixture block 1284 and the push block 1286 are integrally formed by a mold; the push block 1286 and the push rod 1282 may be two independent structures, and the two structures may be connected by means of snap fit, screw connection, gluing, etc.

To accommodate the mounting of the handle lock 128 to the handle 126, the handle 126 is provided with a retention groove 1268 (see FIG. 4), the retention groove 1268 may be provided in the side wall 1260 of the handle 126, the retention groove 1268 being located in the first section 1262 opposite the slide slot 1244 of the handle rotation member 124. The restraint groove 1268 may be rectangular, oval, racetrack, etc., and in this embodiment, the restraint groove 1268 is substantially racetrack shaped. The size of the limiting groove 1268 is larger than that of the push block 1286, so that the push block 1286 can move in the limiting groove 1268 conveniently, meanwhile, the limiting groove 1268 can also limit the push block 1286, excessive movement of the push block 1286 is avoided, and in addition, the push block 1286 is exposed out of the handle 126 from the limiting groove 1268, so that the shifting operation of a user is facilitated.

In one embodiment, the handle lock 128 can further include a snap 1288, wherein the snap 1288 is captured between the push rod 1282 and the handle rotator 124 and is configured to secure the position of the push rod 1282 within the slide 1244. The spring fastener 1288 and the push rod 1282 are two independent structures, and the two structures can be detachably connected. The elastic member 1288 may be an elastic member made of metal. The snap 1288 includes a connection 12882 and a snap 12884, the connection 12882 being mounted to the push rod 1282. The connecting portion 12882 may include a first connecting member 12886 and a second connecting member 12888 (see fig. 5), the first connecting member 12886 and the second connecting member 12888 are respectively located at both sides of the latch portion 12884, and the first connecting member 12886 and the second connecting member 12888 are mounted to the push rod 1282. To match the installation of the snap 1288, the push rod 1282 may be provided with a first mounting groove 12822 and a second mounting groove 12824, the first mounting groove 12822 and the second mounting groove 12824 being provided on a surface of the push rod 1282 facing the first groove 1246 (or the second groove 1248). The first connector 12886 is positioned within the first mounting slot 12822 and the second connector 12888 is positioned within the second mounting slot 12824.

The latch 12884 can be in the shape of an arc, and the protruding direction of the latch 12884 can be away from the extending direction of the first connector 12886 and the second connector 12888. The latch portion 12884 is elastically connected to the connecting portion 12882, or the latch portion 12884 is elastically deformed. In order to adapt to the deviation of the buckling part 12884 caused by elastic deformation, the push rod 1282 may be provided with an avoiding region 12826, and the avoiding region 12826 is located between the first mounting groove 12822 and the second mounting groove 12824. The relief area 12826 may be a slot, hole, or the like. In this embodiment, the avoiding region 12826 is a groove structure, and the avoiding region 12826 is communicated with the first mounting groove 12822 and the second mounting groove 12824. Since the latching portion 12884 is at least partially disposed in the avoiding region 12826, the latching portion 12884 can be elastically deformed by an external force and can be shifted toward the inside of the avoiding region 12826, and the latching portion 12884 can also be deformed and protruded out of the avoiding region 12826 by being restored when the external force is reduced or eliminated. The latch 12884 is held against the handle turn piece 124 to help secure the position of the push rod 1282 within the slide 1244 so that it does not slide easily. The locking portion 12884 can be selectively locked in the first recess 1246 or the second recess 1248 by the driving of the push rod 1282.

In use, a user can slide the handle lock 128 within the slide slot 1244 by moving the push block 1286, and the handle lock 128 can be selectively positioned in either the first position or the second position of the handle rotator 124. When the handle locking member 128 slides to the first position, as shown in fig. 6, the handle locking member 128 located at the first position is engaged with the handle locking portion 1226, so that the clamping block 1284 is clamped in the clamping slot, because the handle locking member 128 is clamped between the handle rotating member 124 and the mounting member 122, the handle rotating member 124 is fixed and cannot rotate relative to the mounting member 122, even if the handle 126 is pulled, the handle 126 cannot drive the handle rotating member 124 to rotate to unlock, thereby improving the safety of the handle assembly 12. In addition, because the push block 1286 is exposed out of the side wall 1260 of the handle 126, the position adjustment of the handle locking piece 128 and the rotation of the handle 126 can be completed by a user with only one hand, and compared with the characteristic that the existing structure for preventing the peephole from unlocking is placed in the center of the handle rotating shaft, the concealment of the position of the push block 1286 is enhanced. And the mode that the bullet knot piece 1288 adopts the shell fragment compares the current mode that adopts the spring can avoid handle 126 to rotate the back because of the not hard up problem that can't kick-back of spring.

In addition, when the handle lock member 128 slides to the first position, as shown in fig. 6, the fastening portion 12884 of the elastic fastener 1288 is fastened in the first groove 1246, so that the handle lock member 128 is fastened at the first position, which helps prevent the handle lock member 128 from loosening and the fastening block 1284 from being disengaged from the fastening groove due to the violent force of knocking and vibrating the door body by an outsider.

When the user slides the handle lock 128 from the first position to the second position by moving the push block 1286, as shown in fig. 7, the handle lock 128 located at the second position is separated from the handle lock 1226, so that the latch 1284 is disengaged from the latch slot, and since the handle lock 128 is not engaged between the handle rotation member 124 and the mounting member 122, the rotation restriction of the handle lock 128 by the handle lock 1226 of the mounting member 122 is released, and the rotation of the handle 126 drives the handle rotation member 124 to rotate relative to the mounting member 122 to unlock the lock.

Further, when the handle lock 128 is slid to the second position, as shown in fig. 7, the catching portion 12884 of the snap 1288 is caught in the second recess 1248, so that the handle lock 128 is caught in the second position.

Referring to fig. 7, the handle assembly 12 may further include a bearing 123. The bearing 123 can be installed in the installation through hole 1228, and the bearing 123 can be sleeved on the handle rotating member 124, so that the handle rotating member 124 can rotate relative to the installation member 122 through the bearing 123, which helps to make the rotation process of the handle rotating member 124 smoother. The number of the bearings 123 may be one or more, in this embodiment, the number of the bearings 123 is two, and the two bearings 123 are disposed at intervals on the handle rotation member 124.

Referring to fig. 7, the handle assembly 12 may further include an elastic restoring member 125, and the elastic restoring member 125 may be clamped in the mounting member 122 and sleeved on the handle rotating member 124. The elastic restoring member 125 is used to provide an elastic force to the handle rotating member 124 so that the handle rotating member 124 can be reversely rotated to the initial position after rotating with respect to the mounting member 122. Wherein, the elastic restoring member 125 may be a torsion spring.

Referring to fig. 7, the handle assembly 12 may further include a dust cover 127, the dust cover 127 is mounted on the front 1222 of the mounting member 122 and covers the handle locking portion 1226, the handle locking member 128 and the handle rotation member 124, so as to prevent the handle locking portion 1226, the handle locking member 128 and the handle rotation member 124 from being directly exposed to the outside, and prevent the dust from adhering to the three members and affecting the cooperation therebetween. In addition, the dust cap 127 can also serve as a decorative feature, enhancing the aesthetics of the handle assembly 12.

In assembling the handle assembly 12, the bearing 123 is first installed in the installation through hole 1228 from the back surface 1224 of the installation member 122, the elastic restoring member 125 is installed and clamped in the installation member 122 from the back surface 1224, the handle rotation member 124 is then inserted through the installation through hole 1228 from the back surface 1224 such that the sliding slot 1244 is located at the front surface 1222 side of the installation member 122, the dust cover 127 is installed at the front surface 1222, the handle locking member 128 is installed in the sliding slot 1244 from the front surface 1222 side such that the locking block 1284 faces the handle locking portion 1226 of the installation member 122, and finally the positioning block 1266 of the handle 126 is aligned with the positioning groove 1240 of the handle rotation member 124 and installed at the handle rotation member 124 from the front surface 1222 side such that the pushing block 1286 of the handle locking member 128 is exposed from the positioning groove 1268 of the handle 126, thereby completing the assembly of the handle assembly.

In the handle assembly 12 and the lock 100 provided in the embodiment of the present application, the mounting member 122 is provided with the handle locking portion 1226, the handle locking member 128 is installed on the handle rotation member 124, the handle locking member 128 located at the first position is matched with the handle locking portion 1226, the handle locking portion 1226 of the mounting member 122 is matched with the handle rotation member 124 to limit the rotation of the handle rotation member 124, even if the handle 126 is pulled, the handle 126 cannot drive the handle rotation member 124 to rotate to unlock, so that the safety of the handle assembly 12 is improved; the handle lock member 128 in the second position is separated from the handle lock portion 1226, the rotation restriction of the handle lock member 128 by the handle lock portion 1226 of the attachment member 122 is released, and the handle turn member 124 can be rotated by rotating the handle 126 to unlock the lock. The handle assembly 12 and the lockset 100 provided by the embodiment of the application have simple structures, and the locking and unlocking operation of the rotation of the handle 126 is convenient, quick, safe and reliable.

In this application, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically stated or limited. For example, the connection can be fixed, detachable or integrated; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through the inside of two elements, or they may be connected only through surface contact or through surface contact of an intermediate member. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "first," "second," and the like are used merely for distinguishing between descriptions and not intended to imply or imply a particular structure. The description of the terms "one embodiment," "some embodiments," "other embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this application, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this application can be combined and combined by those skilled in the art without contradiction.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. A handle assembly, comprising:

a mounting member provided with a handle lock portion;

a handle rotation member mounted to the mounting member;

a handle connected to the handle rotator; and

the handle locking piece is arranged on the handle rotating piece and selectively positioned at the first position or the second position of the handle rotating piece; said handle locking member in said first position engaging said handle locking portion, said handle rotator fixed relative to said mounting member; the handle locking member is located at the second position and separated from the handle locking portion, and rotation of the handle drives the handle rotating member to rotate relative to the mounting member.

2. The handle assembly of claim 1, wherein the handle rotation member has a slide groove formed in a side wall thereof and extending in an axial direction thereof, and the handle lock member is slidably mounted to the slide groove.

3. The handle assembly of claim 2, wherein the handle locking portion defines a slot, the handle locking member includes a push rod and a latch connected to each other, the push rod is slidably disposed in the slot, and sliding movement of the push rod in the slot selectively engages or disengages the latch with the slot.

4. The handle assembly as claimed in claim 3, wherein the mounting member defines a mounting through-hole, the handle rotating member is disposed through the mounting through-hole, and the engaging groove communicates with the mounting through-hole.

5. The handle assembly of claim 3, wherein the handle lock further comprises a push block, the push block being coupled to the push rod;

the handle is provided with a limiting groove, and the push block is exposed out of the limiting groove on the handle.

6. The handle assembly of claim 3, wherein the handle lock further comprises a snap member captured between the push rod and the handle rotator.

7. The handle assembly of claim 6, wherein the snap member comprises a connecting portion and a locking portion connected to each other, the connecting portion is mounted to the push rod, the locking portion is elastically deformable, and the locking portion abuts against the handle rotating member.

8. The handle assembly according to claim 7, wherein the push rod has a first mounting groove and a second mounting groove formed thereon, the connecting portion includes a first connecting member and a second connecting member, the first connecting member is located in the first mounting groove, the second connecting member is located in the second mounting groove, an avoiding region is provided between the first mounting groove and the second mounting groove, and the fastening portion is at least partially disposed in relation to the avoiding region.

9. The handle assembly of claim 7, wherein the handle rotation member has a first groove and a second groove spaced apart from each other, the sliding of the push rod drives the latch portion to selectively latch in the first groove or the second groove, the latch portion latching in the first groove enables the handle lock member to be located in the first position, and the latch portion latching in the second groove enables the handle lock member to be located in the second position.

10. A lock, comprising:

a lock body and a square rod; and

the handle assembly of any one of claims 1 to 9, wherein the handle rotator is connected to the lock body via the square rod, the handle assembly drives the square rod to rotate, and the rotation of the square rod drives the locking bolt in the lock body to move to lock and unlock the lock body.