CN110761617A - Handle lock type mechanical lock - Google Patents

Abstract

The invention relates to a handle locking type mechanical lock, comprising a lock shell, a lock tongue, a wheel lever and a push piece are arranged in the lock shell, the wheel lever is connected with the push piece for transmission, and the push piece is fixedly connected with the lock tongue; it also includes a handle transmission The handle transmission assembly includes a handle, a handle dial and a handle dial; the handle is fixedly connected to the handle dial through the lock shell, the handle dial is connected to the handle dial, and the handle dial is connected to the dial rod; Also includes a handle locking assembly, the handle locking assembly includes a toggle wheel, a transition lever and a locking block, the toggle wheel has an extension rod, the extension rod is connected to one end of the transition lever, and the other end of the transition lever is driven with the locking block. In connection, the locking block and the lock shell form a moving pair with a determined moving direction; it can also include a locking bolt locking assembly. The invention has the function of unlocking the handle, can lock the handle when needed, and also has the functions of locking the tongue and triggering the automatic ejection, and is especially suitable for being used as a sliding door lock.

Description

Handle lock type mechanical lock

technical field

The invention relates to a handle locking type mechanical lock, belonging to the technical field of mechanical locks.

Background technique

As far as the inventors know, mechanical locks used in scenarios such as sliding doors often have the function that a handle can be used to control the lock tongue to retract to unlock the lock. During a long-term investigation, the inventor found that users increasingly want to be able to lock the handle when needed so that it cannot be unlocked temporarily, and unlock the handle to restore its unlocking function when needed. However, the existing mechanical locks either do not have this function, or the structure for realizing this function is too complicated, which is not conducive to reducing the cost. There is an urgent need to develop a mechanical lock that can overcome the above problems of the prior art.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to overcome the problems existing in the prior art and provide a handle locking type mechanical lock, which not only has the function of handle unlocking, but also locks the handle when needed, so that the handle cannot be unlocked temporarily.

The technical scheme that the present invention solves its technical problem is as follows:

A handle locking type mechanical lock, comprising a lock shell, a lock tongue, a wheel lever and a push piece are arranged in the lock shell, the side plate of the lock shell is provided with a through hole for the lock tongue to enter and exit, the wheel lever It is rotatably connected with the lock shell, and the dial lever is connected with the push piece for transmission, and the push piece is fixedly connected with the lock tongue; it is characterized in that:

The mechanical lock also includes a handle transmission assembly, the handle transmission assembly includes a handle located outside the lock housing, a handle dial and a handle dial located in the lock housing; the handle is fixedly connected to the handle dial through the lock housing, The handle dial is connected with the handle dial, and the handle dial is connected with the dial rod;

The mechanical lock also includes a handle locking assembly, the handle locking assembly includes a toggle wheel, a transition lever and a locking block, the toggle wheel and the transition lever are respectively rotatably connected to the lock housing, and the toggle wheel has an extension. The extension rod is connected with one end of the transition lever, and the other end of the transition lever is connected with the locking block. The locking block and the lock shell form a moving pair with a determined moving direction; the handle The dial has a first locking structure, the locking block has a second locking structure, and the first and second locking structures are matched with each other;

The handle locking assembly has: the toggle wheel rotates forwardly under the action of external force and drives the transition lever to rotate through its extension rod, and the transition lever toggles the locking block and causes its second locking structure to be locked with the first lock of the handle toggle wheel. Structure-matched handle locking state;

The handle locking assembly also has: the toggle wheel rotates reversely under the action of external force and drives the transition lever to rotate through its extension rod, and the transition lever toggles the locking block and makes its second locking structure separate from the first of the handle toggle wheel. The handle of the locking structure is unlocked.

In this structure, the handle locking assembly can lock or unlock the handle when needed, so that the entire lock body has both the handle unlocking function and the handle locking function, so as to better meet the needs of the user.

The further improved technical scheme of the present invention is as follows:

Preferably, the toggle lever has a fixed rotation axis, the toggle lever forms an axially constrained rotating pair with the lock housing at its rotational axis, one end of the push piece is fixedly connected with the lock tongue, the The other end of the push piece has a groove, and the end of the wheel rod extends into the groove; the movement direction of the push wheel rod, the movement direction of the push piece, and the movement direction of the lock tongue are located in the same plane or in the same plane. in different planes parallel to each other;

The handle, the handle dial, and the handle dial respectively have a fixed rotation axis, and the handle dial and the handle dial respectively form an axially constrained rotating pair with the lock shell at their rotation axes, and the handle is at its rotation axis. The rotation axis passes through the lock shell and is coaxially connected to the handle dial, the handle dial has a dial protrusion, one end of the handle dial is provided with a first cylindrical member, and the dial protrusion is connected to the first column. The other end of the handle lever is in contact with the wheel lever; the movement direction of the handle, the movement direction of the handle wheel, the movement direction of the handle lever, and the movement direction of the wheel lever are located on the same plane within or in different planes parallel to each other;

The handle transmission assembly has: the handle rotates under the action of external force and drives the handle dial to rotate, the handle dial pushes the first cylindrical member with its dial protrusion, the handle dial rotates accordingly and pushes the dial rod, the dial rod Drive the push piece to move, and the push piece drives the lock tongue to retract the handle of the lock case to unlock state.

With this preferred solution, the basic transmission structure of the lock body and the structure of the handle transmission assembly can be further optimized.

Preferably, the toggle wheel and the transition lever respectively have a fixed rotation axis, and the toggle wheel and the transition lever respectively form an axially constrained rotating pair with the lock housing at their rotation axes; the toggle The end of the extension rod of the wheel has a fork, and one end of the transition lever extends into the fork; the locking block is provided with a groove or a through hole, and the other end of the transition lever extends into the groove or through hole inside; the lock shell is provided with a chute matching the locking block, and the locking block is arranged in the chute; the moving direction of the toggle wheel, the moving direction of the transition lever, the moving direction of the locking block, and the handle The movement directions of the dials are in the same plane or in different planes that are parallel to each other.

With this preferred solution, the structure of the handle locking assembly can be further optimized.

More preferably, the rotation axis of the toggle wheel is coincident with the rotation axis of the toggle lever; the handle locking assembly further includes a lock cylinder, a twisting hand, and a locking spring; the outer end of the lock cylinder has a keyhole And the side of the lock case is exposed, the inner end of the lock cylinder is provided with a rotation handle located in the lock case; the toggle wheel is provided with a first extension arm and a second extension arm along its radial direction, and the rotation handle between the first extension arm and the second extension arm; the screw handle is located on the other side of the lock housing away from the outer end of the lock cylinder, the screw handle has a fixed rotation axis, and the screw handle passes through the rotation axis of the screw handle The lock shell and the toggle wheel are coaxially and fixedly connected; the locking spring is located between the locking block and the lock shell, the lock shell is provided with a first mounting post, the locking spring is arranged on the first mounting post, and the The locking block has a first synapse, one end of the locking spring abuts against the lock housing, the locking spring is provided with a second synapse near the other end thereof, and the first synapse resists the second synapse ; The movement direction of the rotating handle, the movement direction of the twisting hand, and the movement direction of the dial wheel are located in the same plane or in different planes parallel to each other;

When the handle locking assembly is in the handle locking state, the rotating handle abuts against the first extension arm, and the first synapse abuts on one side of the second synapse; when the handle locking assembly is in the handle unlocking state, the rotating handle and The second extension arms abut against each other, and the first synapse abuts on the other side of the second synapse.

With this preferred solution, the rotation handle can be driven by operating the lock cylinder, and the rotation handle acts on the first extension arm and the second extension arm to rotate the toggle wheel to lock the handle, or the toggle wheel can be directly rotated by operating the twisting hand to lock the handle. Locking the handle; the locking spring can lock the position of the locking block to ensure the locking effect of the handle, which makes the handle locking assembly easier to use.

Preferably, the first locking structure of the handle dial is a protruding fork extending from the handle dial, the protruding fork has a fork, and the second locking structure of the locking block is a limiter fixedly connected with the locking block The plane where the protruding fork is located, the plane where the fork is located, and the plane where the handle dial is located are coincident or parallel to each other; the limiting column is perpendicular to the plane where the fork is located.

With this preferred solution, the first and second locking structures in the handle locking assembly can be further optimized.

Preferably, in the handle transmission assembly, the handle includes an inner door handle and an outer door handle, and the handle dial includes a coaxially arranged door inner handle dial and a door outer handle dial; the door inner handle dial The wheel and the outer door handle dial respectively form an axially constrained rotating pair with the lock shell at its rotation axis; the door inner handle is coaxially connected to the door inner handle dial through the lock shell at its rotation axis, The outer door handle is coaxially connected to the outer door handle dial through the lock shell at its rotation axis;

The inner door handle dial and the door outer handle dial respectively have toggle protrusions, and each toggle protrusion is in contact with the first cylindrical member of the handle lever;

The first locking structure of the door inner handle dial is a door inner protruding fork extending from the door inner handle dial, and the door inner protruding fork has an inner door fork; the first locking structure of the door outer handle dial The structure is a door-outside protruding fork extending from a door handle dial wheel, and the door-outside protruding fork has an outside-door fork;

The second locking structure of the locking block includes a protruding block at the end of the locking block, the protruding block has a groove with an opening facing the outer door handle dial, and a limit post is arranged in the groove, and the limit post is connected to the outer door handle. Matching fork on the outside of the door.

With this preferred solution, the locking and unlocking of the handle can be better achieved.

More preferably, the limiting column is cylindrical;

When the limiting column extends from one side wall of the groove to the other side wall of the groove, the limiting column is a full column, and the outer fork of the door is in the shape of a circular or oval shape that can be matched with the limiting column. And the fork in the door is an angle formed by the intersection of two straight lines;

When the limit post extends from one side wall of the groove to the middle of the groove, the limit post is a half-column, and the position of the limit post corresponds to the fork outside the door, and the fork outside the door is capable of being compatible with the limit Column-matched round or oblong.

By adopting this preferred solution, different handle locking modes can be further realized, including: mode 1, in the state of handle locking, the inner door handle can push the limit post to disengage through the inner fork of the door to realize the unlocking of the handle, thereby realizing the escape function; Mode 2, when the handle is locked, the inner handle of the door can directly realize the escape function.

Preferably, a rotary spring and a second installation post are further provided in the lock case, the rotary spring is arranged on the second installation post, and one end of the rotary spring is in contact with the lock case or the limit post of the lock case, so The other end of the rotary spring is in contact with the end of the lock tongue close to the push piece.

With this preferred solution, the deadbolt of the mechanical lock can be automatically ejected.

Preferably, the lock case is further provided with a deadbolt locking assembly, and the deadbolt locking assembly includes a pressing column, a locking piece and a return spring; the locking piece has a fixed rotation axis, and the locking piece is at its rotational axis A rotating pair with axial restraint is formed with the lock shell; one end of the pressing column is exposed to the lock shell and forms a pressing end, the other end of the pressing column is inclined, and one end of the locking piece is provided with a second cylindrical member, The other end of the pressing column abuts against the second cylindrical member, the other end of the locking piece has a locking tip, the pushing piece has a slot matching the locking tip; the pressing column is provided with a long hole, the The lock shell is provided with a third cylindrical member, the third cylindrical member is located in the long hole, and the pressing column and the lock shell form a moving pair; the lock shell is provided with a third column on the side of the locking piece away from the pressing column an installation column, the return spring is arranged on the third installation column, one end of the return spring is in contact with the lock housing, and the other end of the return spring is in contact with the other end of the locking piece; the movement direction of the pressing column, the locking piece The movement direction of the pusher and the movement direction of the push piece are located in the same plane or in different planes parallel to each other;

The lock tongue locking assembly has: when the push piece drives the lock tongue to retract into the lock case under the pulling of the dial lever, the return spring presses against the other end of the lock piece, so that the locking tip of the lock piece slides into the slot of the push piece, thereby Lock the push piece, and make one end of the lock piece push the pressing column through the second cylindrical member, so that the pressing end of the pressing column exposes the lock shell or the lock tongue locking state that is flush with the surface of the lock shell;

The bolt locking assembly also has: when the pressing end of the pressing column is pressed by an external force, the other end of the pressing column pushes one end of the locking piece to rotate through the second cylindrical member, and the other end of the locking piece rotates accordingly and locks the lock. The push-to-unlock state when the tip slides out of the slot of the push piece.

With this preferred solution, the mechanical lock can further have the functions of locking and pressing the lock tongue, and the lock tongue can be automatically ejected when the lock tongue is pressed and unlocked under the cooperation of the rotating spring.

More preferably, the mechanical lock also includes a button box, the button box is formed by a side plate and a box body fixedly connected, the side plate has a through hole for the lock tongue to enter and exit, and the box body communicates with the through hole, The box body is matched with the lock tongue; the side plate is also provided with a push-button push rod, and the push-button push rod is matched with the pressing end of the pressing column.

With this preferred solution, when the mechanical lock is installed on the sliding door, the function of automatically popping out the lock tongue when the sliding door is closed can be realized to lock.

Compared with the prior art, the present invention not only has the function of unlocking the handle, but also can lock the handle when needed, so that the handle cannot be unlocked temporarily. In addition, it also has the function of lock tongue locking and triggering automatic ejection, which is especially suitable for sliding door locks.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of an embodiment of the present invention when the lock tongue is extended.

3 is a schematic structural diagram of an embodiment of the present invention when the lock tongue is retracted.

FIG. 4 is a schematic diagram of the handle transmission assembly according to the embodiment of the present invention when the lock tongue is extended.

FIG. 5 is a schematic diagram of the handle transmission assembly according to the embodiment of the present invention in a state where the handle is unlocked.

FIG. 6 is a schematic diagram of the handle locking assembly according to the embodiment of the present invention in a state where the handle is unlocked.

FIG. 7 is a schematic diagram of the handle locking assembly according to the embodiment of the present invention in its handle locking state.

FIG. 8 is a schematic diagram of the deadbolt locking assembly according to the embodiment of the present invention in its deadbolt locked state.

FIG. 9 is a schematic diagram of the lock tongue automatically popping out when the lock tongue locking assembly according to the embodiment of the present invention is pressed and unlocked.

FIG. 10 is an enlarged view of the area A of FIG. 8 .

FIG. 11 is a schematic diagram of a first handle locking mode according to an embodiment of the present invention.

12 is a schematic diagram of a second handle locking mode according to an embodiment of the present invention.

Detailed ways

The present invention will be described in further detail below with reference to the accompanying drawings and in conjunction with the embodiments. However, the invention is not limited to the examples given.

Example

As shown in Figures 1 to 3, the handle locking type mechanical lock of this embodiment includes a lock shell 01. The lock shell 01 is provided with a lock tongue 02, a dial lever 03 and a push piece 04, and the side plate of the lock shell 01 is provided with The through hole for the lock tongue 02 to enter and exit, the wheel lever 03 is rotatably connected with the lock shell 01, the wheel lever 03 is connected with the push piece 04, and the push piece 04 is fixedly connected with the lock tongue 02.

The mechanical lock also includes a handle transmission assembly, the handle transmission assembly includes a handle 05 located outside the lock shell 01, a handle dial 06 and a handle dial 07 located in the lock casing 01; connected, the handle dial 06 is connected to the handle dial 07, and the handle dial 07 is connected to the dial rod 03.

The mechanical lock also includes a handle locking assembly. The handle locking assembly includes a toggle wheel 08, a transition lever 09 and a locking block 10. The toggle wheel 08 and the transition lever 09 are respectively rotatably connected to the lock shell 01, and the toggle wheel 08 has an extension rod. 11. The extension rod 11 is connected to one end of the transition lever 09 by transmission, and the other end of the transition lever 09 is connected to the locking block 10. The locking block 10 and the lock shell 01 constitute a moving pair with a determined moving direction; the handle dial 06 has a first locking structure 12, the locking block 10 has a second locking structure 13, the first and second locking structures 12, 13 are matched with each other.

The handle locking assembly has the following states: (1) The toggle wheel 08 rotates forwardly under the action of external force and drives the transition lever 09 to rotate through its extension rod 11, and the transition lever 09 toggles the locking block 10 and makes its second locking structure 13. The handle locking state that matches the first locking structure 12 of the handle dial 06. (2) The toggle wheel 08 rotates in the opposite direction under the action of external force and drives the transition lever 09 to rotate through its extension rod 11. The transition lever 09 toggles the locking block 10 and makes its second locking structure 13 separate from the handle toggle wheel 06. The handle of the first locking structure 12 is in an unlocked state.

Specifically, as shown in FIG. 4 , the wheel lever 03 has a fixed axis of rotation, and the wheel lever 03 and the lock shell 01 form a rotational pair with axial constraints at its rotation axis, and one end of the push piece 04 is connected to the lock tongue. 02 is fixed, the other end of the push piece 04 has a groove 14, and the end of the wheel lever 03 extends into the groove 14; the movement direction of the wheel lever 03, the movement direction of the push piece 04, and the movement of the lock tongue 02 The directions lie in the same plane or in different planes that are parallel to each other.

Specifically, as shown in FIG. 4 and FIG. 5 , in the handle transmission assembly, the handle 05 , the handle dial 06 and the handle dial 07 respectively have a fixed axis of rotation, and the handle dial 06 and the handle dial 07 are respectively in the The rotation axis and the lock shell 01 form an axially constrained rotating pair. The handle 05 passes through the lock shell 01 at its rotation axis and is coaxially fixed to the handle dial 06. The handle dial 06 has a toggle protrusion 15. One end of the lever 07 is provided with a first cylindrical member 16, the toggle protrusion 15 is in contact with the first cylindrical member 16, and the other end of the handle toggle lever 07 is in contact with the toggle lever 03; the movement direction of the handle 05, the handle toggle The movement direction of the wheel 06, the movement direction of the handle lever 07, and the movement direction of the wheel lever 03 are located in the same plane or in different planes parallel to each other.

The handle transmission assembly has: the handle 05 rotates under the action of external force and drives the handle dial 06 to rotate, the handle dial 06 pushes the first cylindrical member 16 with its dial protrusion 15, and the handle dial 07 rotates accordingly and pushes the dial rod. 03, the dial lever 03 drives the push piece 04 to move, and the push piece 04 drives the lock tongue 02 to retract the handle of the lock case 01 to unlock state.

Specifically, as shown in FIG. 6 and FIG. 7 , in the handle locking assembly, the toggle wheel 08 and the transition lever 09 respectively have a fixed rotation axis, and the toggle wheel 08 and the transition lever 09 are respectively at their rotation axes. A rotating pair with axial constraints is formed with the lock shell 01; the end of the extension rod 11 of the toggle wheel 08 has a fork 17, and one end of the transition lever 09 extends into the fork 17; the locking block 10 is provided with a groove or a through hole. Hole 18, the other end of the transition lever 09 extends into the groove or through hole 18; the lock housing 01 is provided with a chute 19 matching the locking block 10, and the locking block 10 is placed in the chute 19; the toggle wheel 08 The movement direction of the transition lever 09, the movement direction of the locking block 10, and the movement direction of the handle dial 06 are located in the same plane or in different planes parallel to each other.

The rotation axis of the dial wheel 08 coincides with the rotation axis of the dial wheel rod 03; the handle locking assembly also includes a lock cylinder 20, a twisting hand (not shown in the figure), and a clamping spring 22; the outer end of the lock cylinder 20 has a lock cylinder 20. The inner end of the lock cylinder 20 is provided with a rotating handle 23 located in the lock shell 01; the toggle wheel 08 is provided with a first extension arm 24 and The second extension arm 25, the rotation handle 23 is located between the first extension arm 24 and the second extension arm 25; the screw handle is located on the other side of the lock shell 01 away from the outer end of the lock cylinder 20, the screw handle has a fixed rotation axis, and the screw handle Its rotation axis passes through the lock shell 01 and is coaxially connected to the toggle wheel 08; the locking spring 22 is located between the locking block 10 and the lock shell 01, and the lock shell 01 is provided with a first installation post 26, and the locking spring 22 Placed on the first mounting post 26, the locking block 10 has a first synapse 27, one end of the latching spring 22 is in contact with the lock housing 01, and the latching spring 22 is provided with a second synapse 28 near the other end thereof. The synapse 27 is in contact with the second synapse 28; the movement direction of the rotating handle 23, the movement direction of the twisting hand, and the movement direction of the dial wheel 08 are located in the same plane or in different planes parallel to each other.

When the handle locking assembly is in the handle locking state, the rotating handle 23 abuts against the first extension arm 24, and the first synapse 27 abuts on one side of the second synapse 28; when the handle locking assembly is in the handle unlocking state, the rotating handle 23 Abutting against the second extending arm 25 , the first synapse 27 abuts on the other side of the second synapse 28 .

Specifically, the first locking structure 12 of the handle dial 06 is a protruding fork 29 extending from the handle dial 06 , the protruding fork 29 has a fork 48 , and the second locking structure 13 of the locking block 10 is fixed to the locking block 10 Connected limit column 30; the plane where the protruding fork 29 is located, the plane where the fork 48 is located, and the plane where the handle dial 06 is located are coincident or parallel to each other;

More specifically, as shown in FIGS. 11 and 12 , in the handle transmission assembly, the handle 05 includes an inner door handle and an outer door handle (not shown), and the handle dial 06 includes a coaxially arranged door handle dial 061 . and the outer door handle dial 062; the door inner handle dial 061 and the door outer handle dial 062 respectively form an axially constrained rotating pair with the lock shell 01 at its rotation axis; the door inner handle passes through its rotation axis The lock shell 01 is coaxially fixed with the door handle dial 061, and the door outer handle passes through the lock shell 01 at its rotation axis and is coaxially fixed with the door outer handle dial 062; the door inner handle dial 061, the door outer handle The toggle wheel 062 has toggle protrusions 151 and 152 respectively, and the toggle protrusions 151 and 152 are respectively in contact with the first cylindrical member 16 of the handle toggle lever 07 .

The first locking structure 12 of the door inner handle dial 061 is a door inner protruding fork 291 extending from the door inner handle dial 061, and the door inner protruding fork 291 has a door inner fork 481; The locking structure 12 is a door-outside protruding fork 292 extending from the door-outside handle dial 062 , and the door-outside protruding fork 292 has a door-outside fork 482 .

The second locking structure 13 of the locking block 10 includes a protruding block 31 located at the end of the locking block 10. The protruding block 31 has a groove 32 with an opening facing the outer door handle dial 062, and a limit post 30 is arranged in the groove 32. The limit post 30 mates with out door prongs 482.

The limit post 30 is cylindrical. When the limiting column 30 extends from one side wall of the groove 32 to the other side wall of the groove 32 , the limiting column 30 is a full column, and the fork 482 outside the door is a circle or an oval that can fit with the limiting column 30 . and the fork 481 in the door is an angular shape formed by the intersection of two straight lines (Fig. 11). When the limit post 30 extends from one side wall of the groove 32 to the middle of the groove 32, the limit post 30 is a half-column, and the position of the limit post 30 corresponds to the fork 482 outside the door, and the fork 482 outside the door is capable of A circular or oval shape that fits with the limit post 30 (Fig. 12). In this embodiment, when the limiting column 30 is a half column, a screw or a stud can be used as the limiting column.

Specifically, the lock shell 01 is also provided with a rotary spring 33 and a second installation column 34, the rotary spring 33 is arranged on the second installation column 34, and one end of the rotary spring 33 is connected to the lock shell 01 or the limit column of the lock shell 01. (This embodiment is the third mounting post 42 , which can be changed to other limiting posts depending on the situation.) The other end of the rotary spring 33 is in contact with the end of the lock tongue 02 close to the push piece 04 .

As shown in Figures 8 and 9, the lock case 01 is also provided with a bolt locking assembly, the bolt locking assembly includes a pressing column 35, a locking piece 36 and a return spring 37; the locking piece 36 has a fixed rotation axis, and the locking piece 36 forms an axially constrained rotating pair with the lock shell 01 at its rotation axis; one end of the pressing column 35 exposes the lock shell 01 and forms a pressing end 38, the other end of the pressing column 35 is inclined, and one end of the locking piece 36 is provided with The second cylindrical member 39, the other end of the pressing column 35 abuts against the second cylindrical member 39, the other end of the locking piece 36 has a locking tip 40, and the pushing piece 04 has a slot 41 that matches the locking tip 40 (see FIG. 10 ). shown); the pressing column 35 is provided with a long hole 43, the lock housing is provided with a third cylindrical member 44, the third cylindrical member 44 is located in the long hole 43, the pressing column 35 and the lock housing 01 form a moving pair; the lock housing 01 A third installation post 42 is provided on the side of the locking piece 36 away from the pressing post 35 , the return spring 37 is arranged on the third installation post 42 , one end of the return spring 37 is abutted against the lock housing 01 , and the other end of the return spring 37 is in contact with the locking piece The other end of 36 is in contact with each other; the movement direction of the pressing column 35, the movement direction of the locking piece 36, and the movement direction of the push piece 04 are located in the same plane or in different planes parallel to each other;

The lock tongue locking assembly has the following specific states: (1) When the push piece 04 drives the lock tongue 02 to retract into the lock housing 01 under the pulling of the dial lever 03, the return spring 37 presses against the other end of the locking piece 36, so that the locking piece 36 The locking tip 40 slides into the slot 41 of the push piece 04 to lock the push piece 04, and makes one end of the locking piece 36 push the pressing post 35 through the second cylindrical member 39, so that the pressing end 38 of the pressing post 35 is exposed to the lock housing 01 or The lock tongue is in the locked state when it is flush with the surface of the lock shell 01. (2) When the pressing end 38 of the pressing column 35 is pressed by an external force, the other end of the pressing column 35 pushes one end of the locking piece 36 through the second cylindrical member 39 to rotate, and the other end of the locking piece 36 rotates accordingly and locks the The tip 40 slides out of the pressing and unlocking state of the card slot 41 of the push piece 04 .

The mechanical lock also includes a buckle box. The buckle box is composed of a side plate 45 and a box body 46 fixedly connected. The side plate 45 has a through hole (not shown in the figure) for the lock tongue 02 to enter and exit. The body 46 is matched with the lock tongue 02 ; the side plate 45 is also provided with a button top rod 47 , and the button top rod 47 is matched with the pressing end 38 of the pressing column 35 .

In a word, the mechanical lock of this embodiment can realize the following functions: (1) Handle unlocking: drive the dial lever 03 by operating the handle 05, so that it drives the lock tongue 02 to retract the lock shell 01 through the push piece 04, thereby unlocking. (2) Handle locking and unlocking: by operating the lock cylinder 20 or twisting the hand to drive the toggle wheel 08, so that the transition lever 09 drives the locking block 10 to lock or unlock the handle toggle wheel 06, thereby locking or unlocking the handle 05. (3) Different locking modes of the inner door handle and the outer door handle. (4) The lock tongue is locked and the lock tongue is automatically ejected when the ejector rod touches.

It should be noted that the locking tongue 02 is a square tongue with a tongue hook, the specific structure of the locking tongue 02 is the same as the utility model patent CN201520020109.1 authorized by the applicant, and the tongue hook can be automatically extended or retracted. The dial lever 03 , the toggle wheel 08 , and the handle dial 06 are respectively provided with hollow spline rods at their rotation axes, which are used to form a rotating pair with the lock shell 01 . A cylindrical member is provided between the door inner handle dial 061 and the door outer handle dial 062 so that the two can be arranged coaxially. These are all technical means that can be easily understood and realized by those skilled in the art, and will not be repeated in the present invention.

In addition to the above-described embodiments, the present invention may also have other embodiments. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims (10)

1. A handle locking type mechanical lock comprises a lock shell, wherein a lock tongue, a poking wheel rod and a push piece are arranged in the lock shell, a through hole for the lock tongue to enter and exit is formed in a side plate of the lock shell, the poking wheel rod is rotatably connected with the lock shell, the poking wheel rod is in transmission connection with the push piece, and the push piece is fixedly connected with the lock tongue; it is characterized in that the utility model is characterized in that,

the mechanical lock also comprises a handle transmission assembly, wherein the handle transmission assembly comprises a handle positioned outside the lock shell, a handle shifting wheel and a handle shifting rod positioned in the lock shell; the handle penetrates through the lock shell and is fixedly connected with a handle shifting wheel, the handle shifting wheel is in transmission connection with a handle shifting rod, and the handle shifting rod is in transmission connection with a shifting wheel rod;

the mechanical lock further comprises a handle locking assembly, the handle locking assembly comprises a poking wheel, a transition poking rod and a locking block, the poking wheel and the transition poking rod are respectively and rotatably connected with the lock shell, the poking wheel is provided with an extending rod, the extending rod is in transmission connection with one end of the transition poking rod, the other end of the transition poking rod is in transmission connection with the locking block, and the locking block and the lock shell form a moving pair with a determined moving direction; the handle thumb wheel is provided with a first locking structure, the locking block is provided with a second locking structure, and the first locking structure and the second locking structure are matched with each other;

the handle lock assembly has: the poking wheel rotates forwards under the action of external force and drives the transition poking rod to rotate through the extension rod of the poking wheel, and the transition poking rod pokes the locking block and enables the second locking structure of the locking block to be in a handle locking state with the first locking structure of the handle poking wheel;

the handle lock assembly further has: the poking wheel reversely rotates under the action of external force and drives the transition poking rod to rotate through the extension rod, and the transition poking rod pokes the locking block and enables the second locking structure to be separated from the handle unlocking state of the first locking structure of the handle poking wheel.

2. The handle-locking mechanical lock according to claim 1, wherein the thumb wheel lever has a fixed rotation axis, the thumb wheel lever forms a rotation pair with the lock housing at the rotation axis, the rotation pair has an axial constraint, one end of the push piece is fixedly connected with the lock tongue, the other end of the push piece has a groove, and the end of the thumb wheel lever extends into the groove; the moving direction of the poking wheel rod, the moving direction of the push piece and the moving direction of the lock tongue are positioned in the same plane or in different planes parallel to each other;

the handle, the handle thumb wheel and the handle thumb wheel are respectively provided with a fixed rotation axis, the handle thumb wheel and the handle thumb wheel respectively form a rotation pair with axial restraint with the lock shell at the rotation axis, the handle penetrates through the lock shell at the rotation axis and is coaxially and fixedly connected with the handle thumb wheel, the handle thumb wheel is provided with a thumb projection, one end of the handle thumb wheel is provided with a first cylindrical component, the thumb projection is contacted with the first cylindrical component, and the other end of the handle thumb wheel is contacted with a thumb wheel rod; the motion direction of the handle, the motion direction of the handle thumb wheel, the motion direction of the handle poking rod and the motion direction of the poking wheel rod are positioned in the same plane or in different planes parallel to each other;

the handle transmission assembly has: the handle rotates under the action of external force and drives the handle thumb wheel to rotate, the handle thumb wheel pushes the first cylindrical member by the poking protrusion of the handle thumb wheel, the handle thumb wheel rotates along with the handle thumb wheel and pushes the thumb wheel rod, the thumb wheel rod drives the push sheet to move, and the push sheet drives the lock tongue to retract to the handle unlocking state of the lock shell.

3. The handle-locking mechanical lock of claim 1 or 2, wherein the toggle wheel and the transition lever each have a fixed axis of rotation, and the toggle wheel and the transition lever each form an axially constrained revolute pair with the lock housing at their axes of rotation; the tail end of an extension rod of the poking wheel is provided with a fork opening, and one end of the transition poking rod extends into the fork opening; the locking block is provided with a groove or a through hole, and the other end of the transition deflector rod extends into the groove or the through hole; the lock shell is provided with a sliding groove matched with the locking block, and the locking block is arranged in the sliding groove; the motion direction of the poking wheel, the motion direction of the transition poking rod, the motion direction of the locking block and the motion direction of the handle poking wheel are positioned in the same plane or in different planes parallel to each other.

4. The handle-locking mechanical lock of claim 3 wherein the axis of rotation of the thumb wheel coincides with the axis of rotation of the thumb wheel lever; the handle locking assembly also comprises a lock cylinder, a twisting handle and a clamping spring; the outer end of the lock cylinder is provided with a keyhole which is exposed out of one side of the lock shell, and the inner end of the lock cylinder is provided with a rotating handle positioned in the lock shell; the poking wheel is provided with a first extension arm and a second extension arm along the radial direction, and the rotating handle is positioned between the first extension arm and the second extension arm; the wrench is positioned on the other side of the lock shell far away from the outer end of the lock cylinder, the wrench is provided with a fixed rotation axis, and the wrench penetrates through the lock shell at the rotation axis and is coaxially and fixedly connected with the poking wheel; the clamping spring is positioned between the locking block and the lock shell, the lock shell is provided with a first mounting column, the clamping spring is arranged on the first mounting column, the locking block is provided with a first synapse, one end of the clamping spring is abutted against the lock shell, the clamping spring is provided with a second synapse close to the other end of the clamping spring, and the first synapse is abutted against the second synapse; the moving direction of the rotating handle, the moving direction of the wrench and the moving direction of the poking wheel are positioned in the same plane or in different planes parallel to each other;

when the handle locking component is in a handle locking state, the rotating handle is abutted against the first extension arm, and the first synapse is abutted against one side of the second synapse; when the handle locking assembly is in a handle unlocking state, the rotating handle is abutted against the second extension arm, and the first synapse is abutted against the other side of the second synapse.

5. The handle-locking mechanical lock of claim 3, wherein the first locking structure of the handle thumb wheel is a protruding fork extending from the handle thumb wheel, the protruding fork having a fork opening, and the second locking structure of the locking block is a limit post fixedly connected to the locking block; the plane of the protruding fork, the plane of the fork opening and the plane of the handle thumb wheel are coincident or parallel with each other; the limiting column is perpendicular to the plane where the fork opening is located.

6. The handle-locking mechanical lock of claim 5 wherein in the handle transmission assembly, the handle comprises an inner handle and an outer handle, and the handle thumb wheel comprises an inner handle thumb wheel and an outer handle thumb wheel coaxially arranged; the inner door handle thumb wheel and the outer door handle thumb wheel respectively form a rotating pair with axial restraint with the lock shell at the rotating axis; the inner door handle is coaxially and fixedly connected with the inner door handle thumb wheel at the rotation axis of the inner door handle through the lock shell, and the outer door handle is coaxially and fixedly connected with the outer door handle thumb wheel at the rotation axis of the outer door handle through the lock shell;

the inner door handle shifting wheel and the outer door handle shifting wheel are respectively provided with shifting protrusions, and the shifting protrusions are respectively contacted with the first cylindrical component of the handle shifting rod;

the first locking structure of the inner door handle thumb wheel is an inner door protruding fork extending from the inner door handle thumb wheel, and the inner door protruding fork is provided with an inner door fork opening; the first locking structure of the door outer handle thumb wheel is an outer door protruding fork extending from the outer door handle thumb wheel, and the outer door protruding fork is provided with an outer door fork opening;

the second locking structure of the locking block comprises a protruding block located at the tail end of the locking block, the protruding block is provided with a groove with an opening facing the door outer handle thumb wheel, a limiting column is arranged in the groove, and the limiting column is matched with the outer fork opening of the door.

7. The handle-locking mechanical lock of claim 6, wherein the restraining post is cylindrical;

when the limiting column extends from one side wall of the groove to the other side wall of the groove, the limiting column is a full column, the outer door fork opening is in a round or long round shape which can be matched with the limiting column, and the inner door fork opening is in an angle shape formed by intersecting two straight lines;

when the limiting column extends to the middle of the groove from one side wall of the groove, the limiting column is a semi-column, the position of the limiting column corresponds to the outer door fork, and the outer door fork is circular or long circular and can be matched with the limiting column.

8. The handle locking type mechanical lock according to claim 1 or 2, wherein a rotary spring and a second mounting post are further arranged in the lock case, the rotary spring is arranged on the second mounting post, one end of the rotary spring abuts against the lock case or a limiting post arranged on the lock case, and the other end of the rotary spring abuts against the tail end of the lock tongue close to the push piece.

9. The handle-locking mechanical lock of claim 8 wherein a deadbolt lock assembly is further disposed within the housing, the deadbolt lock assembly including a pressing post, a locking tab and a return spring; the locking piece has a fixed rotation axis and forms a rotation pair with axial restraint with the lock shell at the rotation axis of the locking piece; one end of the pressing column is exposed out of the lock shell to form a pressing end, the other end of the pressing column is an inclined plane, one end of the locking piece is provided with a second cylindrical member, the other end of the pressing column abuts against the second cylindrical member, the other end of the locking piece is provided with a locking tip, and the pushing piece is provided with a clamping groove matched with the locking tip; the pressing column is provided with a long hole, the lock shell is provided with a third cylindrical member, the third cylindrical member is positioned in the long hole, and the pressing column and the lock shell form a moving pair; the lock shell is provided with a third mounting column on one side of the locking piece, which is far away from the pressing column, the reset spring is arranged on the third mounting column, one end of the reset spring is abutted against the lock shell, and the other end of the reset spring is abutted against the other end of the locking piece; the moving direction of the pressing column, the moving direction of the locking piece and the moving direction of the pushing piece are positioned in the same plane or in different planes parallel to each other;

the deadbolt lock assembly has: when the push piece drives the lock tongue to retract into the lock shell under the pulling of the thumb wheel lever, the reset spring props against the other end of the locking piece, so that the locking tip of the locking piece slides into the clamping groove of the push piece to lock the push piece, and one end of the locking piece pushes the pressing column through the second cylindrical member, so that the pressing end of the pressing column is exposed out of the lock shell or is in a lock tongue locking state flush with the surface of the lock shell;

the deadbolt lock assembly also has: when the pressing end of the pressing column is pressed down by external force, the other end of the pressing column pushes one end of the locking piece to rotate through the second cylindrical member, and the other end of the locking piece rotates along with the pressing column and enables the locking tip to slide out of the clamping groove of the pushing piece in a pressing unlocking state.

10. The handle locking mechanical lock according to claim 9, wherein the mechanical lock further comprises a buckle box, the buckle box is formed by fixedly connecting a side plate and a box body, the side plate is provided with a through hole for the bolt to pass in and out, the box body is communicated with the through hole, and the box body is matched with the bolt; the side plate is also provided with a button ejector rod, and the button ejector rod is matched with the pressing end of the pressing column.

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