CN207453657U - Handle lock with anti-peephole unlocking structure - Google Patents

Abstract

The utility model discloses a handle lock with prevent cat eye structure of unblanking, establish the connecting cylinder on hand device including lock body, pivot handle device, pivot on the lock body, this connecting cylinder is used for being connected with the spring bolt subassembly, is provided with drive assembly in the handle device activity, and drive assembly can remove so that drive assembly connects handle device and connecting cylinder simultaneously along hand device to can make the connecting cylinder can follow the rotation of handle device. When using, press the transmission assembly and rotate handle device and just can open the handle lock, only rotate handle device and can only make its idle running, can not drive the spring bolt subassembly action, can prevent effectively like this that other people from rotating handle device through the cat eye and opening the handle lock, improved the utility model discloses a security performance, just the utility model discloses a use also comparatively convenient.

Description

Handle lock with anti-peephole unlocking structure

technical field

The utility model relates to a handle lock, in particular to a handle lock with an anti-cat's eye unlocking structure.

Background technique

The handle lock is a widely used door lock. Generally, the handle lock includes a deadbolt assembly, a lock body, and a handle pivotally arranged on the lock body. The handle is linked with the deadbolt assembly. When in use, the handle only needs to be pressed down, and the handle can rotate relative to the lock body. , and then drive the deadbolt assembly to move, so that the door is opened. Most of the existing doors can be provided with peepholes, and some thieves often destroy the peepholes first when stealing, and then insert the utensils into the door through the peephole holes, so that the handle can be pressed down to open the door. Therefore, if the overall safety performance of the handle lock is to be further improved, the handle lock needs to have a self-locking function to prevent the opening of the cat's eye.

Utility model content

In order to solve the above problems, the utility model provides a handle lock with good safety and convenient use and an anti-cat's eye unlocking structure.

The technical scheme that the utility model solves its technical problem adopts is:

A handle lock with an anti-cat's eye unlocking structure, comprising a lock body, a handle device pivotally arranged on the lock body, and a connecting cylinder pivotally arranged on the handle device, the connecting cylinder is used for connecting with a deadbolt assembly, the A transmission assembly is movably arranged on the handle device, and the transmission assembly can move along the handle device so that the transmission assembly connects the handle device and the connecting cylinder at the same time, so that the connecting cylinder can follow the rotation of the handle device.

Preferably, an installation channel is provided on the handle device, and the transmission assembly is movably arranged in the installation channel.

Preferably, the transmission assembly includes a transmission rod, a connecting column and a first elastic member for driving the connecting column to reset; the first elastic member is arranged between the connecting column and the connecting cylinder, and the transmission rod is movably arranged on The transmission rod can drive the connecting post to move so that the two ends of the connecting post can be respectively inserted on the connecting cylinder and the handle device.

Preferably, the inner wall of the connecting cylinder has a first anti-rotation structure, and correspondingly, the outer wall of the connecting column has a second anti-rotation structure, and the first anti-rotation structure can cooperate with the second anti-rotation structure To limit the rotation of the connecting column relative to the connecting cylinder.

Preferably, the first anti-rotation structure is a first plane arranged on the inner side wall of the connecting cylinder, the second anti-rotation structure is a second plane arranged on the outer side wall of the connecting column, the first plane and the second plane The abutting against each other can limit the rotation of the connecting column relative to the connecting cylinder.

Preferably, the handle device includes a pivot piece pivotally arranged on the lock body and a handle connected with the pivot piece.

Preferably, the lock body has a first limiting portion, and correspondingly, the pivot member has a second limiting portion, and the second limiting portion can abut against the first limiting portion to limit The angle of rotation of the pivot.

Preferably, a first torsion spring is provided between the pivot member and the lock body, and the torsion arm at one end of the first torsion spring abuts against a first stopper provided on the pivot member, and the first torsion spring The torsion arm at the other end of the torsion spring abuts against the first limiting portion.

Preferably, a second torsion spring is provided between the connecting cylinder and the pivoting member, and the torsion arm at one end of the second torsion spring abuts against a second stopper provided on the pivoting member, and the second The torsion arm at the other end of the torsion spring abuts against the third stopper provided on the connecting cylinder.

The beneficial effects of the utility model are: in the utility model, a transmission assembly is movable on the handle device, and the transmission assembly can move along the handle device so that the transmission assembly is connected to the handle device and the connecting cylinder at the same time, so that the connecting cylinder can follow the handle The device rotates. When in use, the handle lock can only be opened by pressing the transmission assembly and turning the handle device. Only turning the handle device can only make it idle, and cannot drive the lock tongue assembly, which can effectively prevent others from turning the handle device through the cat's eye to open the handle The lock improves the safety performance of the utility model, and the utility model is also relatively convenient to use.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the utility model after the back cover is removed;

Fig. 3 is a structural schematic diagram of the handle device and the transmission assembly of the utility model;

Fig. 4 is an exploded view of the handle device and the transmission assembly of the utility model;

Fig. 5 is a structural schematic diagram of a pivoting member;

Fig. 6 is a schematic structural view of the connecting cylinder;

Figure 7 is an exploded view of the transmission assembly;

Fig. 8 is a structural schematic diagram of the connecting column.

Detailed ways

Referring to Figures 1 to 8, the utility model is a handle lock with an anti-peephole unlocking structure, including a lock body 1, a handle device pivoted on the lock body 1, and a connecting cylinder 3 pivoted on the handle device, The connecting cylinder 3 is used to connect with the deadbolt assembly, and a transmission assembly is movably arranged on the handle device. The cylinder 3 can follow the handle device to rotate, and now the handle device can be turned to open the handle lock of the present utility model. When in use, the hand lock can only be opened by pressing the transmission assembly manually and then turning the handle device. Only turning the handle device can only make it idle, and can not drive the connecting cylinder 3 to rotate, nor can it drive the lock tongue assembly to move, which can effectively prevent others from opening the handle lock by turning the handle device through the cat's eye, which improves the safety of the utility model performance, and the use of the utility model is also comparatively convenient. The structure and working principle of the deadbolt assembly are familiar to those skilled in the art, and will not be further described in detail here.

An installation channel is provided on the handle device, and the transmission assembly is movably arranged in the installation channel.

The handle device includes a pivot member 21 pivotally arranged on the lock body 1 and a handle 22 connected with the pivot member 21 . The aforementioned installation channel includes a first channel 221 opened on the handle 22 and a second channel 211 opened on the pivot member 21 , and the end of the first channel 221 communicates with the end of the second channel 211 . A bearing 24 is provided between the pivoting member 21 and the lock body 1 to reduce the resistance of the pivoting member 21 to rotate.

Specifically, the transmission assembly includes a transmission rod 41 , a connecting column 42 and a first elastic member 43 for driving the connecting column 42 to reset. The first elastic member 43 is arranged between the connecting column 42 and the connecting cylinder 3. The transmission rod 41 is movably arranged in the installation channel and can abut against the end face of the connecting column 42. By manually pressing the transmission rod 41, the transmission rod 41 can be driven and connected. Column 42 moves so that one end of connecting column 42 is inserted on the connecting tube 3, and simultaneously, the other end of connecting column 42 is inserted on the handle device, and now the handle device is turned, and connecting tube 3 can follow the handle device to rotate, and then can Drive the action of the deadbolt assembly to open the handle lock. Specifically, the first elastic member 43 may be a spring or an elastic rubber pad, preferably a spring.

Further, a limit bolt 44 is movably sleeved on the transmission rod 41, and the limit bolt 44 is screwed on the pivot member 21, and the end of the transmission rod 41 near the connecting column 42 is provided with a limit boss 411, the limit The end surface of the boss 411 abuts against the end surface of the limit bolt 44, thereby preventing the transmission rod 41 from slipping out of the installation channel. A button 45 is arranged on the end of the transmission rod 41 far away from the connecting column 42 , and a return spring 46 is provided between the button 45 and the limit bolt 44 , and the return spring 46 is used to drive the button 45 and the transmission rod 41 to reset.

In addition, in practical applications, the connecting column 42 and the transmission rod 41 can also be of an integrated structure, and the connecting column 42 and the transmission rod 41 can also be screwed or plugged together.

Referring to FIG. 8 , on the end face of the connecting column 42 is provided a slot 421 that is compatible with the first elastic piece 43 , and the first elastic piece 43 is stuck in the slot 421 , thereby positioning the first elastic piece 43 In the clamping groove 421 , the first elastic member 43 is prevented from moving arbitrarily and affecting the normal reset of the connecting column 42 .

In order to avoid the relative rotation between the connecting cylinder 3 and the connecting column 42, in the present utility model, the inner wall of the connecting cylinder 3 has a first anti-rotation structure, and correspondingly, the outer wall of the connecting column 42 has a second anti-rotation structure , the first anti-rotation structure can cooperate with the second anti-rotation structure to limit the rotation of the connecting column 42 relative to the connecting cylinder 3 .

Specifically, the first anti-rotation structure can be the first plane 31 arranged on the inner side wall of the connecting cylinder 3, the second anti-rotation structure can be the second plane 422 arranged on the outer side wall of the connecting column 42, the first plane 31 and the The second flat surface 422 abuts to limit the rotation of the connecting post 42 relative to the connecting cylinder 3 . Therefore, the connecting column 42 can be in the shape of a prism, and correspondingly, the inner cavity of the connecting cylinder 3 is also in the shape of a prism. The connecting column 42 can also be in the shape of a pyramid, and correspondingly, the inner cavity of the connecting cylinder 3 is also in the shape of an inverted pyramid. The connecting column 42 can also be in the shape of an elliptical cylinder, and correspondingly, the inner cavity of the connecting cylinder 3 is also in the shape of an elliptical cylinder. In addition, the first anti-rotation structure can also be a limiting groove provided on the inner wall of the connecting cylinder 3 and communicated with the end surface of the connecting cylinder 3. Correspondingly, the second anti-rotation structure is provided on the outer wall of the connecting column 42. The protrusion, the protrusion is inserted into the limiting groove to limit the rotation of the connecting column 42 relative to the connecting cylinder 3 . The limiting groove can also be set on the outer side wall of the connecting column 42 , and the limiting groove communicates with the end surface of the connecting column 42 , and the protrusion is arranged on the inner side wall of the connecting cylinder 3 .

In addition, in order to prevent the relative rotation between the handle device and the connecting post 42, in the present invention, the anti-rotation cooperation between the handle device and the connecting post 42 can adopt the above-mentioned first anti-rotation structure and second anti-rotation structure.

Similarly, in order to prevent the relative rotation between the handle 22 and the pivoting member 21, in the present utility model, the anti-rotation cooperation between the handle 22 and the pivoting member 21 can also adopt the aforementioned first anti-rotation structure and the first anti-rotation structure. Two anti-rotation structures.

Referring to FIG. 2 and FIG. 4 , the lock body 1 has a first limiting portion 111 , and correspondingly, the pivot member 21 has a second limiting portion 212 . When the handle 22 is turned, the pivoting member 21 will rotate accordingly. When the second limiting portion 212 abuts against the first limiting portion 111, the pivoting member 21 will not be able to continue to rotate. The mutual cooperation of the position portions 212 can limit the rotation angle of the pivot member 21 .

A first torsion spring 23 is arranged between the pivoting member 21 and the lock body 1, and a first stop portion 213 is also arranged on the pivoting member 21, and the torsion arm at one end of the first torsion spring 23 abuts against the first stop portion 213. Then, the torsion arm at the other end of the first torsion spring 23 abuts against the first limiting portion 111 . Through this structure, after the handle 22 and the pivoting member 21 are turned, the pivoting member 21 can be driven to reversely rotate and reset by utilizing the torsional force of the first torsion spring 23 .

A second torsion spring 47 is provided between the connecting cylinder 3 and the pivoting member 21, a second stopper 214 is provided on the pivoting member 21, a third stopper 32 is provided on the connecting cylinder 3, and the second torsion spring 47 The torsion arm at one end abuts against the second stop portion 214 , and the torsion arm at the other end of the second torsion spring 47 abuts against the third stop portion 32 . After turning the handle 22 and opening the handle lock, the human hand will no longer press the transmission assembly and the handle 22, the transmission assembly reversely moves and resets, and the pivoting member 21 and the handle 22 are also under the action of the first torsion spring 23 Turn to reset. After the transmission assembly is reset, the connecting column 42 is no longer inserted on the connecting cylinder 3 , and the connecting cylinder 3 cannot follow the pivoting member 21 to rotate and reset. And in the utility model, by arranging the second torsion spring 47, the torsional force of the second torsion spring 47 can be used to drive the connecting cylinder 3 to reset, so that the connecting cylinder 3 is aligned with the connecting column 42, so that the connecting column 42 can be opened smoothly next time when the door is opened. Insert it into the connecting cylinder 3.

In addition, a stop groove 215 is also provided on the pivot member 21, and the head of the third stop part 32 is movably arranged in the stop groove 215. When the connecting cylinder 3 is rotated and reset, the third stop part 32 moves along the Moving along the stop groove 215, when the third stop part 32 abuts against the end of the stop groove 215, it can restrict the connecting cylinder 3 from continuing to rotate. align. The stop groove 215 can limit the rotation angle of the connecting cylinder 3 . Setting the stop groove 215 can further ensure that the connecting cylinder 3 can return to the correct position.

The lock body 1 of the present utility model includes a front cover 11 and a rear cover 12, the front cover 11 and the rear cover 12 are connected together and enclose an accommodating cavity, and the aforementioned pivoting member 21 is arranged in the accommodating cavity.

The above-mentioned embodiments are only preferred solutions of the utility model, and the utility model also has other implementation solutions. Those skilled in the art can also make equivalent modifications or replacements without departing from the spirit of the present utility model, and these equivalent modifications or replacements are all included in the scope set by the claims of the present application.

Claims (9)

1. a kind of handle lock with anti-opal unlocking structure, including lock body (1), the door handle device being hubbed on lock body (1), pivot The connecting cylinder (3) being located on door handle device, the connecting cylinder (3) are used to be connected with bolt component, which is characterized in that described Transmission component is movably set on arm device, the transmission component can be moved along door handle device so that transmission component connects simultaneously Door handle device and connecting cylinder (3), so as to which connecting cylinder (3) is made door handle device can be followed to rotate.

2. a kind of handle lock with anti-opal unlocking structure according to claim 1, it is characterised in that：The handle dress It puts and offers an installation passage, the transmission component is movably arranged in the installation passage.

3. a kind of handle lock with anti-opal unlocking structure according to claim 2, it is characterised in that：The transmission group Part includes drive link (41), connecting pole (42) and the first elastic component (43) for being drivingly connected column (42) reset；Described One elastic component (43) is arranged between connecting pole (42) and connecting cylinder (3), and the drive link (41) is movably arranged on installation passage Interior and can be abutted against with the end face of connecting pole (42), it is mobile so that connecting pole that the drive link (41) can be drivingly connected column (42) (42) both ends can be plugged in respectively on connecting cylinder (3) and door handle device.

4. a kind of handle lock with anti-opal unlocking structure according to claim 3, it is characterised in that：The connecting cylinder (3) there is the first anti-rotation structure, correspondingly, having the second anti-rotation knot on the lateral wall of the connecting pole (42) on madial wall Structure, the first anti-rotation structure can be engaged to limit with the second anti-rotation structure connecting pole (42) relative to connecting cylinder (3) rotation.

5. a kind of handle lock with anti-opal unlocking structure according to claim 4, it is characterised in that：Described first is anti- Rotation structure is the first plane (31) being arranged on connecting cylinder (3) madial wall, and second anti-rotation structure is to be arranged on connecting pole (42) the second plane (422) on lateral wall, the first plane (31) abut against with the second plane (422) and can limit connecting pole (42) rotated relative to connecting cylinder (3).

6. a kind of handle lock with anti-opal unlocking structure according to claim 1, it is characterised in that：The handle dress Put the pivotal part (21) including being hubbed on lock body (1) and the handle (22) being connected with the pivotal part (21).

7. a kind of handle lock with anti-opal unlocking structure according to claim 6, it is characterised in that：The lock body (1) on there is the first limiting section (111), there is the second limiting section (212), second limiting section on the pivotal part (21) (212) it can abut against to limit the rotational angle of pivotal part (21) with the first limiting section (111).

8. a kind of handle lock with anti-opal unlocking structure according to claim 7, it is characterised in that：The pivotal part (21) the first torsional spring (23) is provided between lock body (1), the torque arm of described first torsional spring (23) one end is with being arranged on pivotal part (21) the first retainer (213) on abuts against, torque arm and the first limiting section (111) phase of the first torsional spring (23) other end It abuts.

9. a kind of handle lock with anti-opal unlocking structure according to claim 6, it is characterised in that：The connecting cylinder (3) the second torsional spring (47) is provided between pivotal part (21), the torque arm of described second torsional spring (47) one end is with being arranged on pivot The second retainer (214) on part (21) abuts against, and the torque arm of the second torsional spring (47) other end is with being arranged on connecting cylinder (3) On the 3rd retainer (32) abut against.