CN112796566A

CN112796566A - Lock rear panel structure and lock

Info

Publication number: CN112796566A
Application number: CN202110231485.5A
Authority: CN
Inventors: 王妙玉; 刘中启; 梁赛成; 杨思民
Original assignee: Guangdong Hotata Smart Home Co Ltd
Current assignee: Guangdong Hotata Smart Home Co Ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-05-14

Abstract

The invention discloses a lockset rear panel structure and a lockset, comprising a handle assembly, a rear panel, a force transmission part and a connecting part; the handle assembly comprises a handle arranged on the outer side of the rear panel and a handle joint arranged on the inner side of the rear panel, and the handle joint can be driven by the handle to axially rotate; the force transmission component is used for being connected with a transmission shaft of the lockset; the connecting part is movably arranged on the handle joint, the connecting part can be switched between being connected with the force transmission part or being disconnected with the force transmission part, when the connecting part is connected with the force transmission part, the handle joint is connected with the force transmission part, the force transmission part can rotate along with the handle joint, and when the connecting part is disconnected with the force transmission part, the handle joint is disconnected with the force transmission part. It can simplify the structure, convenient operation and reduce cost.

Description

Lock rear panel structure and lock

Technical Field

The invention relates to the technical field of locks, in particular to a lock rear panel structure and a lock.

Background

Residence door generally can be equipped with the cat eye, in order to make things convenient for the resident to observe the outdoor condition, however, in the middle of the practical application, the cat eye establish and also increased the potential safety hazard equally, for example, the mounting hole that is used for installing the cat eye on the thief's accessible residence door stretches into to indoor with unlocking means, utilize unlocking means to push down and be located indoor handle, thereby realize that the drive unblanks, the security is lower, at present, for improving the security, be equipped with the button that prevents the cat eye and open on the current partial tool to lock and press the structure, need press the button when opening the door at every turn and can realize indoor opening the door, the operation is comparatively loaded down with trivial details, and the button is pressed the structure and also has the structure complicacy, the more problem of spare part quantity, lead to comprehensive cost higher, for this reason.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a lock rear panel structure and a lock, which can simplify the structure and reduce the cost.

A lockset rear panel structure comprising:

handle subassembly, back panel, pass power part and adapting unit;

the handle assembly comprises a handle arranged on the outer side of the rear panel and a handle joint arranged on the inner side of the rear panel, and the handle joint can be driven by the handle to axially rotate;

the force transmission component is arranged on the inner side of the rear panel and is used for being connected with a transmission shaft of a lockset;

the connecting part is movably arranged on the handle joint, the connecting part can be switched between being connected with the force transmission part or being disconnected with the force transmission part, when the connecting part is connected with the force transmission part, the handle joint is connected with the force transmission part, the force transmission part can rotate along with the handle joint, and when the connecting part is disconnected with the force transmission part, the handle joint is disconnected with the force transmission part.

Further, still include:

a pushing member slidably mounted to the rear panel and configured to drive the connecting member such that the connecting member can be connected to or disconnected from the force transmitting member; or the like, or, alternatively,

the pushing component is arranged on the connecting component, the rear panel is provided with a guide groove position and an avoiding groove communicated with the guide groove position, and when the pushing component is matched with the guide groove position, the connecting component is disconnected with the force transmission component; when the pushing component is matched with the avoiding groove, the connecting component is connected with the force transmission component, and when the force transmission component is transmitted by the handle joint to rotate, the pushing component can slide in the avoiding groove.

Further, when the pushing member is slidably mounted to the rear panel, the lock rear panel structure further comprises:

the limiting component is arranged on the inner side of the rear panel and is provided with an elastic limiting part, and the pushing component is provided with a limiting boss matched with the elastic limiting part;

when the connecting part is connected with the force transmission part, the end face of the limiting boss is abutted against the end face of the elastic limiting part, so that the connecting part is kept connected with the force transmission part.

Further, when the pushing component is slidably mounted on the rear panel, the rear panel is provided with a guide hole penetrating through the surface of the rear panel, the pushing component is provided with a shifting part, and the shifting part penetrates through the guide hole, protrudes out of the outer surface of the rear panel and can slide in the guide hole; or the like, or, alternatively,

when the pushing component is slidably arranged on the rear panel, a driving component is arranged on the rear panel and is used for driving the pushing component to move; and/or the presence of a gas in the gas,

when the pushing component is slidably arranged on the rear panel, the rear panel is also provided with a plurality of first fastening components, a guide groove is formed between the limiting head of each first fastening component and the bottom wall of the inner side of the rear panel in an enclosing manner, and the pushing component is in slidable fit with the guide groove.

Further, when the pushing component is slidably mounted on the rear panel, the pushing component is provided with a pushing portion, the pushing portion is provided with an arc-shaped concave position which is abutted against the end portion of the connecting component, and the radian of the arc-shaped concave position is matched with the rotating angle of the connecting component.

Furthermore, the force transmission part is provided with a slot, when the connecting part is matched with the slot, the handle joint is connected with the force transmission part, and when the connecting part is separated from the slot, the handle joint is separated from the force transmission part.

Furthermore, the lock rear panel structure also comprises a first elastic reset component, the first elastic reset component is installed on the handle joint and connected with the connecting component, and the first elastic reset component is used for providing the elastic force for the connecting component, wherein the elastic force is separated from the force transmission component.

Furthermore, the handle joint is provided with a penetrating guide stepped hole, and a positioning sleeve is embedded in a first stepped surface of the guide stepped hole; the connecting part can slide in the guide stepped hole, one end part of the connecting part can be connected with or disconnected from the force transmission part, and the connecting part is provided with a limiting end part which can be abutted against a second stepped surface of the guide stepped hole or the positioning sleeve; the first end of the first elastic resetting component is abutted against the limiting end part, and the second end of the first elastic resetting component is abutted against the second stepped surface of the guide stepped hole.

Furthermore, the handle assembly further comprises a handle sealing plate arranged on the handle joint, and the force transmission part is arranged between the handle joint and the handle sealing plate; the handle joint is also provided with a second elastic reset part, the force transmission part is provided with a pair of convex parts, and the pair of convex parts respectively abut against two ends of the second elastic reset part so as to keep the force transmission part in a balanced state;

further, the spread groove has been seted up to the handle of handle subassembly, the diapire of spread groove is equipped with the screw hole, the handle joint of handle subassembly is equipped with connecting portion, connecting portion with the spread groove cooperation, the connection shoulder hole that runs through is seted up to connecting portion, the aperture tip of connecting the shoulder hole is close to the handle, the screw hole with connect through the second fastening part between the aperture tip of shoulder hole.

The purpose of the invention is realized by adopting the following technical scheme:

a lockset comprises the lockset rear panel structure.

Compared with the prior art, the invention has the beneficial effects that:

through the mutual matching among the handle assembly, the rear panel, the force transmission part and the connecting part, the connecting part can be driven to be connected with the force transmission part or disconnected from the force transmission part, so that the connection or disconnection between the handle joint and the force transmission part is realized, the handle assembly can be switched between a rotatable unlocking state or a free unlocking state, when the handle assembly is in the free unlocking state, the internal structure of the lockset can be isolated, the potential safety hazard that the handle can be unlocked by stretching an unlocking tool through the cat eye mounting port and pressing the handle can be avoided, and the safety is higher;

in addition, the pushing component slides to drive the connecting component to be connected with or disconnected from the force transmission component, so that the operation is convenient, and meanwhile, under the limiting action of the pushing component, the connecting component can be reliably kept in a state of being connected with the force transmission component, so that when the lockset rear panel structure is applied to a house door without cat eyes, the trouble of frequently operating the pushing component can be saved;

in addition, the lock rear panel structure needs fewer parts, simplifies the structure and reduces the cost.

Drawings

FIG. 1 is a schematic front view of a lock rear panel structure of the present invention, wherein the handle is in a free, non-unlocked state;

FIG. 2 is a schematic view of a back side of the rear panel structure of the lock shown in FIG. 1;

FIG. 3 is a front view of the rear panel structure of the lockset shown in FIG. 1, wherein the handle is in a rotatable unlocked position;

FIG. 4 is a schematic view of a back side of the rear panel structure of the lock shown in FIG. 3;

FIG. 5 is an exploded view of the lock rear panel structure shown in FIG. 1;

FIG. 6 is a front view of the rear panel structure of the lockset shown in FIG. 1;

FIG. 7 is a cross-sectional view taken in the direction A-A of the lock rear panel structure shown in FIG. 6;

FIG. 8 is a schematic view of the handle adapter of the lock rear panel structure of FIG. 5 in a first perspective view;

fig. 9 is a schematic view of the lever handle adapter of fig. 8 from a second perspective;

figure 10 is a schematic view of the force transfer member in the lock rear panel structure shown in figure 5.

In the figure: 1. a handle assembly; 11. a handle; 111. connecting grooves; 112. a threaded hole; 113. a first plane; 114. a positioning part; 12. a lever handle joint; 121. a connecting portion; 122. connecting the stepped holes; 123. a second plane; 124. positioning a groove; 125. an arc-shaped slot; 126. an installation part; 1261. a guiding stepped hole; 2. a rear panel; 21. mounting holes; 22. a guide hole; 23. connecting columns; 24. a limiting groove; 25. a bump; 26. a limiting bulge part; 3. a force transfer component; 31. a square hole; 32. a slot; 33. a boss portion; 4. a connecting member; 41. a limiting end part; 5. a pushing member; 51. a pushing part; 511. an arc concave position; 52. a limiting boss; 53. a toggle part; 6. a first elastic return element; 7. a positioning sleeve; 8. a limiting component; 81. an elastic limiting part; 9. a second elastic return element; 10. a handle seal plate; 101. perforating; 100. a second fastening member; 110. a return torsion spring; 120. a first bearing; 130. a second bearing; 140. a gasket; 150. a first fastening member.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

The first embodiment:

referring to fig. 1-7, a lock rear panel structure according to a preferred embodiment of the present invention is shown, including a handle assembly 1, a rear panel 2, a force transmission member 3, a connecting member 4, and a pushing member 5.

The handle assembly 1 comprises a handle 11 arranged on the outer side of the rear panel 2 and a handle joint 12 arranged on the inner side of the rear panel 2, and the handle joint 12 can be driven by the handle 11 to axially rotate so as to be capable of rotating to unlock; the rear panel 2 is used for being fixed with the door panel; referring to fig. 10, the force transmission member 3 is installed inside the rear panel 2, the force transmission member 3 is provided with a square hole 31, and the square hole 31 is used for being connected with a transmission shaft of the lock body to drive the transmission shaft to rotate, and then the lock is unlocked by the transmission of the transmission shaft; the connecting part 4 is movably arranged on the handle joint 12, the connecting part 4 can be switched between connection with the force transmission part 3 and disconnection with the force transmission part 3, when the connecting part 4 is connected with the force transmission part 3, the handle joint 12 is connected with the force transmission part 3, the force transmission part 3 can rotate along with the handle assembly 1, and therefore unlocking can be achieved, when the connecting part 4 is disconnected with the force transmission part 3, the handle joint 12 is disconnected with the force transmission part 3, the handle assembly 1 is disconnected with a transmission shaft of a lock body, namely the handle assembly 1 is in a free and non-unlocking state (namely the handle assembly 1 idles), the internal structure of the lock can be isolated, and the potential safety hazard that unlocking can be achieved by extending into an unlocking tool through a cat eye mounting port and pressing down the handle 11 can be avoided; the push member 5 is slidably mounted to the back plate 2 and is adapted to actuate the connecting member 4 to connect the connecting member to the force transfer member 3 or to disconnect the connecting member 4 from the force transfer member 3.

The lock rear panel structure provided by the invention can drive the connecting part 4 to be connected with the force transmission part 3 or drive the connecting part 4 to be disconnected with the force transmission part 3 by driving the pushing part 5 to slide through the mutual matching among the handle assembly 1, the rear panel 2, the force transmission part 3, the connecting part 4 and the pushing part 5, so that the connection or the disconnection between the handle assembly 1 and the force transmission part 3 is realized, the handle assembly 1 can be switched between a rotatable unlocking state or a free and unlockable state, when the handle assembly 1 is in the free and unlockable state, the internal structure of a lock can be isolated, the potential safety hazard that the lock can be unlocked by stretching an unlocking tool into a cat eye mounting hole to press the handle 11 can be avoided, the safety is higher, in addition, the pushing part 5 slides to drive the connecting part 4 to be connected with or disconnected with the force transmission part 3, when convenient operation, under the limiting displacement of promotion part 5, can make adapting unit 4 reliably keep being connected with biography power part 3 under the state for when this tool to lock rear panel structure is applied to the house door that does not have the cat eye, can save the trouble of frequent operation promotion part 5, in addition, this tool to lock rear panel structure required spare part quantity is less, has simplified the structure, thereby reduce cost.

In order to make the handle 11 rotate smoothly, as a preferred embodiment, a first bearing 120 is provided between the handle 11 and the rear panel 2, specifically, the first bearing 120 is provided at the front end of the mounting hole 21 on the rear panel 2, and the end of the handle 11 is engaged with the inner ring of the first bearing 120, so that the handle 11 can rotate smoothly, and at the same time, the handle can protect the rear panel 2, and the rear panel 2 is prevented from being worn, so as to prolong the service life of the rear panel 2.

In order to smoothly rotate the handle joint 12, as a preferred embodiment, a second bearing 130 is provided between the connection portion 121 of the handle joint 12 and the rear panel 2, specifically, the second bearing 130 is provided at the rear end of the mounting hole 21 of the rear panel 2, and the connection portion 121 of the handle joint 12 is engaged with the inner ring of the second bearing 130, so that the handle joint 12 can smoothly rotate and also can protect the rear panel 2, and in addition, a washer 140 is provided between the first bearing 120 and the second bearing 130 in order to prevent the inner rings of the first bearing 120 and the second bearing 130 from being deformed by a force and to reinforce a supporting force.

It can be understood that, for making handle subassembly 1 can reset, still be equipped with reset torsion spring 110 between handle joint 12 and rear panel 2, this reset torsion spring 110 cover is located on handle joint 12, and two links of this reset torsion spring 110 offset with a pair of lug 25 of rear panel 2 inboards respectively, utilize reset torsion spring 110 and make handle subassembly 1 can be after rotating automatic re-setting to initial position.

As shown in fig. 7, as a preferred embodiment, the handle 11 is provided with a connecting groove 111, the bottom wall of the connecting groove 111 is provided with a threaded hole 112, referring to fig. 7 to 9, the handle joint 12 is provided with a connecting portion 121, the connecting portion 121 is engaged with the connecting groove 111, the connecting portion 121 is provided with a connecting stepped hole 122 penetrating therethrough, the small aperture end of the connecting stepped hole 122 is close to the handle 11, and the threaded hole 112 is connected with the small aperture end of the connecting stepped hole 122 by the second fastening member 100. During the installation, through making second fastening part 100 stretch into in the middle of connecting shoulder hole 122 to make its series connection shoulder hole 122's aperture tip and screw hole 112, can realize the convenient connection between handle 11 and the handle joint 12, this connected mode can conveniently change the installation direction of handle 11, can reduce handle 11's the switching-over degree of difficulty.

Referring to fig. 5, as preferred embodiment, the lateral wall of connecting groove 111 is equipped with first plane 113, and the lateral wall of connecting portion 121 is equipped with second plane 123, and second plane 123 and first plane 113 cooperate, so, can play the spacing effect of circumference to handle 11, avoid handle 11 to rotate relative handle joint 12, ensure that the connection between handle 11 and the handle joint 12 is more reliable.

With continued reference to fig. 5, to further improve the connection reliability between the handle 11 and the handle grip 12, as a preferred embodiment, the side wall of the connection groove 111 is provided with a positioning portion 114, and with reference to fig. 8, the side wall of the connection portion 121 is provided with a positioning groove 124, and the positioning groove 124 is engaged with the positioning portion 114.

Referring to fig. 2 and 4, in order to facilitate connection or disconnection between the connection part 4 and the force transmission part 3, as a preferred embodiment, the force transmission part 3 is provided with a slot 32, the connection part 4 can be switched between being matched with the slot 32 or being separated from being matched with the slot 32, when the connection part 4 is matched with the slot 32, the lever handle connector 12 is connected with the force transmission part 3, so that the force transmission part 3 can rotate along with the lever handle connector 12, and when the connection part 4 is separated from being matched with the slot 32, the lever handle connector 12 is separated from the force transmission part 3, so that the lever handle assembly 1 idles.

Referring to fig. 5 and 7, as a preferred embodiment, the lock rear panel structure further includes a first elastic return component 6, the first elastic return component 6 is mounted on the handle joint 12, and the first elastic return component 6 is connected with the connecting component 4, the first elastic return component 6 is used for providing an elastic force for the connecting component 4 to be disconnected with the force transmission component 3, so that after the abutting action of the pushing component 5 on the connecting component 4 is released, the connecting component 4 can automatically return to be disconnected with the force transmission component 3 under the elastic force of the first elastic return component 6.

With continued reference to fig. 5 and 7, as a preferred embodiment, the handle adapter 12 is provided with a mounting portion 126 protruding from a surface thereof, the mounting portion 126 is provided with a through guiding stepped hole 1261, a first end of the guiding stepped hole 1261 is close to the force transmission member 3, a second end of the guiding stepped hole 1261 is close to the pushing member 5, and a positioning sleeve 7 is embedded in a first stepped surface of the guiding stepped hole 1261; the connecting part 4 can slide in the guide stepped hole 1261, one end of the connecting part 4 can be connected with or disconnected from the force transmission part 3, the connecting part 4 is provided with a limiting end part 41, and the limiting end part 41 can be abutted against the second stepped surface of the guide stepped hole or against the positioning sleeve 7 so as to play a role of limiting the connecting part 4, prevent the connecting part 4 from being separated from the guide stepped hole and ensure the reliable installation of the connecting part 4; the first end of the first elastic resetting component 6 is abutted against the limiting end part 41, and the second end of the first elastic resetting component 6 is abutted against the second step surface of the guide step hole.

In this embodiment, the first elastic restoring member 6 is preferably a spring that is sleeved on the connecting member 4, but in other embodiments, the first elastic restoring member 6 may be an elastic sheet or an elastic rubber tube.

Referring to fig. 2, the pushing member 5 is provided with a pushing portion 51, the pushing portion 51 is provided with an arc-shaped concave portion 511 abutting against the end portion of the connecting member 4, the radian of the arc-shaped concave portion 511 is matched with the rotation angle of the connecting member 4, and when the pushing member 5 abuts against the connecting member 4, the connecting member 4 can smoothly rotate along with the handle assembly 1, so that unlocking is ensured.

Referring to fig. 2 and 4, as a preferred embodiment, the lock rear panel structure further includes a limiting member 8, the limiting member 8 is disposed inside the rear panel 2, the limiting member 8 is provided with an elastic limiting portion 81, and the pushing member 5 is provided with a limiting boss 52, as shown in fig. 4, when the connecting member 4 is connected to the force transmission member 3, an end surface of the limiting boss 52 abuts against an end surface of the elastic limiting portion 81, so that the connecting member 4 is connected to the force transmission member 3.

In the present embodiment, the first end surface of the limit boss 52 (i.e. the lower end surface of the limit boss 52 shown in fig. 4) abuts against the first end surface of the elastic limit portion 81 (i.e. the upper end surface of the elastic limit portion 81 shown in fig. 4), so that the connecting member 4 can be reliably kept connected with the force transmission member 3, as shown in fig. 2, when the connecting part 4 is disconnected from the force transmission part 3, the second end surface of the limit boss 52 (i.e. the upper end surface of the limit boss 52 shown in fig. 2) abuts against the second end surface of the elastic limit part 81 (i.e. the lower end surface of the elastic limit part 81 shown in fig. 2), so that the pushing part 5 is reliably positioned, thereby ensuring a reliable connection of the connecting part 4 to the force transfer part 3 or a reliable disengagement of the connecting part 4 from the force transfer part 3, in addition, the position of the pushing member 5 can be switched smoothly because the stopper member 8 has elasticity.

In order to make the positioning of the pushing member 5 more reliable, as a preferred embodiment, two limiting members 8 are provided, two limiting members 8 are respectively opposite to two opposite sides of the pushing member 5, correspondingly, two limiting bosses 52 are also provided, and the two limiting bosses 52 are respectively matched with the elastic limiting parts 81 on the two limiting members 8.

In the present embodiment, the position-limiting component 8 is preferably an elastic sheet, two ends of the elastic sheet are respectively matched with the two position-limiting grooves 24 on the back panel 2, and at the same time, two ends of the elastic sheet are respectively pressed by the position-limiting heads of the two first fastening components 150, wherein the first fastening components 150 are assembled on the hole sites of the connecting columns 23 on the back panel 2.

Referring to fig. 2, as a preferred embodiment, the handle assembly 1 further includes a handle plate 10 disposed on the handle joint 12 through a screw, and the force transmission member 3 is disposed between the handle joint 12 and the handle plate 10, wherein an end of the force transmission member 3 penetrates through a through hole 101 of the handle plate 10 to facilitate connection with a transmission shaft of the lock body.

Referring to fig. 5 and 7, as a preferred embodiment, the handle joint 12 is further provided with a second elastic return component 9, the second elastic return component 9 is disposed in an arc-shaped groove 125 of the handle joint 12, and referring to fig. 10, the force transmission component 3 is provided with a pair of protrusions 33, the pair of protrusions 33 respectively abut against two ends of the second elastic return component 9, so that the force transmission component 3 is kept in a balanced state, the position of the slot 32 is ensured to be aligned with the position of the guiding stepped hole, and the connecting component 4 is ensured to be smoothly connected with or separated from the slot 32. The second elastic restoring member 9 is preferably a spring, but in other embodiments, the second elastic restoring member 9 may also be a spring sheet.

As a preferred embodiment, the rear panel 2 is provided with a guide hole 22 penetrating through the surface thereof, the pushing member 5 is provided with a toggle portion 53, the toggle portion 53 penetrates through the guide hole 22 and protrudes out of the outer surface of the rear panel 2, and can slide in the guide hole 22, and the toggle portion 53 is driven by external force to drive the pushing member 5 to move, thereby facilitating operation.

Of course, in other embodiments, the driving member may be a linear motor, a rotary motor, a screw-nut pair, etc. disposed on the back panel 2 to drive the pushing member 5 to displace.

As a preferred embodiment, the rear panel 2 is further provided with a plurality of first fastening components 150, a guide groove is formed between the limiting head of the first fastening component 150 and the bottom wall of the rear panel 2 in a surrounding manner, and the pushing component 5 is in sliding fit with the guide groove, so that the effects of limiting and guiding the pushing component 5 can be achieved, the pushing component 5 can be reliably installed, and meanwhile, the pushing component 5 is ensured to slide smoothly. In the present embodiment, the first fastening member 150 is preferably a screw.

In a preferred embodiment, the rear panel 2 is further provided with a pair of limiting protrusions 26, the pair of limiting protrusions 26 are oppositely arranged at two opposite ends of the pushing member 5, and the end of the pushing member 5 can be abutted against the limiting protrusions 26, so that the pushing member 5 can be reliably limited in the vertical direction.

Second embodiment:

the difference between the lock back panel structure in this embodiment and the lock back panel structure in the first embodiment lies in:

the pushing component 5 is arranged on the connecting component 4, meanwhile, the rear panel 2 is provided with a guide slot position (not shown in the figure) and an avoiding slot (not shown in the figure) communicated with the guide slot position, and when the pushing component 5 is matched with the guide slot position, the connecting component 4 is disconnected from the force transmission component 3; when pushing component 5 and dodge the groove cooperation, adapting unit 4 is connected with biography power part 3, and when handle joint 12 transmission biography power part 3 rotated simultaneously, pushing component 5 can slide in dodging the groove, makes adapting unit 4 also rotate along with handle joint 12 to ensure that handle subassembly 1 can rotate, this structure can realize driving adapting unit 4 and pass power part 3 and be connected or break away from the connection equally.

The invention also discloses a lockset, which comprises the lockset rear panel structure, wherein in the embodiment, the lockset is preferably an intelligent lockset, and in other embodiments, the lockset can be a mechanical lockset.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A lock rear panel structure, comprising:

handle subassembly, back panel, pass power part and adapting unit;

2. The lock rear panel structure of claim 1, further comprising:

3. The lock rear panel structure of claim 2, wherein when said push member is slidably mounted to said rear panel, said lock rear panel structure further comprises:

4. The lock rear panel structure of claim 2, wherein when said pushing member is slidably mounted to said rear panel, said rear panel defines a guide hole extending through a surface thereof, said pushing member defines a toggle portion, said toggle portion extends through said guide hole, protrudes from an outer surface of said rear panel, and is slidable within said guide hole; or the like, or, alternatively,

5. The lock rear panel structure according to claim 2, wherein when said pushing member is slidably mounted to said rear panel, said pushing member is provided with a pushing portion, said pushing portion is provided with an arc-shaped concave portion abutting against an end portion of said connecting member, and an arc degree of said arc-shaped concave portion is adapted to a rotation angle of said connecting member.

6. The lock backsplash structure of claim 1, wherein said force transfer member defines a slot, wherein said lever handle connector is connected to said force transfer member when said connecting member is mated with said slot, and wherein said lever handle connector is disconnected from said force transfer member when said connecting member is unmated from said slot.

7. The lock rear panel structure of claim 1, further comprising a first resilient return member mounted to the handle adapter and coupled to the coupling member, the first resilient return member configured to provide a resilient force to the coupling member that is decoupled from the force transfer member.

8. The lock rear panel structure of claim 7,

the handle joint is provided with a penetrating guide stepped hole, and a positioning sleeve is embedded in a first stepped surface of the guide stepped hole; the connecting part can slide in the guide stepped hole, one end part of the connecting part can be connected with or disconnected from the force transmission part, and the connecting part is provided with a limiting end part which can be abutted against a second stepped surface of the guide stepped hole or the positioning sleeve; the first end of the first elastic resetting component is abutted against the limiting end part, and the second end of the first elastic resetting component is abutted against the second stepped surface of the guide stepped hole.

9. The lock rear panel structure of claim 1,

the handle assembly further comprises a handle sealing plate arranged on the handle joint, and the force transmission part is arranged between the handle joint and the handle sealing plate; the handle joint is also provided with a second elastic reset part, the force transmission part is provided with a pair of convex parts, and the pair of convex parts respectively abut against two ends of the second elastic reset part so as to keep the force transmission part in a balanced state;

and/or, the spread groove has been seted up to the handle of handle subassembly, the diapire of spread groove is equipped with the screw hole, the handle joint of handle subassembly is equipped with connecting portion, connecting portion with the spread groove cooperation, the connection shoulder hole that runs through is seted up to connecting portion, the aperture tip of connecting the shoulder hole is close to the handle, the screw hole with connect through the second fastening part between the aperture tip of shoulder hole.

10. A lock comprising a lock rear panel structure as claimed in any one of claims 1 to 9.