CN220705445U - Safety type caravan lock - Google Patents

Abstract

The utility model discloses a safe type caravan lock, which comprises a safety knob, a clutch assembly and a locking mechanism, wherein the safety knob is used for switching the closing or separating state of the clutch assembly and is in linkage connection with the clutch assembly; the outer handle is used for driving the clutch assembly to integrally move in the folding state and is in linkage connection with the clutch assembly; the inner handle is used for driving the clutch assembly to integrally move in the folding state and is in linkage connection with the clutch assembly; the clutch assembly is used for cutting off or transmitting the external force transmitted by the inner handle or the outer handle to the lock catch linkage assembly, and the clutch assembly is in linkage connection with the lock catch linkage assembly; the lock catch linkage assembly is used for driving the connecting lock catch unit to move and is connected with the lock catch unit; and the locking unit is used for executing the switching action. When unlocking, the clutch assembly is folded firstly, and then the folded clutch assembly is driven by the inner or outer handle to drive the lock catch linkage assembly and the lock catch unit to move, so that unlocking is completed.

Description

Safety type caravan lock

Technical Field

The utility model relates to the field of caravan locks, in particular to a safe caravan lock.

Background

The existing car as a house lock can finish the door opening only through one action, and a safety module is not arranged, so that a car machine system can not completely lock a car door in the driving process, and can open the car door from the inside, thus being extremely unsafe; for example, the application number 202010730518.6's helicopter sliding cabin door locking mechanism, when this mechanism uses, drive the lock dabber with outer handle or interior handle, lock dabber drive star type spare, star type spare drive big adapter rotation, and big adapter is rotatory with small adapter, and little adapter passes through last wire rope subassembly and lower wire rope subassembly, drives the latch hook in going up lock box subassembly and the lower lock box subassembly and breaks away from the lock post, and locking mechanism opens. The lock is easily unlocked by touching the handle by mistake without any safety module, or easily vibrated in the running process of the aircraft or the vehicle.

Meanwhile, the manufacturing of a steel wire assembly for connecting the upper lock component and the lower lock component with the central control component of the existing car lock in the market is extremely complex, the components are more, the installation process is also complicated, and a plurality of nuts are also required to be adjusted to control the tightness of the steel wire. In the helicopter sliding cabin door locking mechanism patent mentioned above, the upper steel wire rope component and the lower steel wire rope component all comprise a steel wire rope, a sheath is arranged outside the steel wire rope, joints are respectively arranged at two ends of the sheath, one end of the steel wire rope is connected with an adjusting bolt and an adjusting nut, and the other end of the steel wire rope is connected with a swing arm through a spacer bush and is stopped by an end head.

In addition, the main body of the central control assembly in the existing lockset is a split sheet metal part, so that the weight is large and the structure is complex.

In view of the above, the present utility model provides a safe type caravan lock, which is generated by the above-mentioned problems.

Disclosure of Invention

The utility model provides a safe type caravan lock, which has the characteristics of multiple locking, avoiding false unlocking, simplifying and reducing weight; specifically, the utility model is realized by the following technical scheme:

a safety type caravan lock, comprising

The safety knob is used for switching the closing or separating state of the clutch assembly and is in linkage connection with the clutch assembly;

the outer handle is used for driving the clutch assembly to integrally move in the folding state and is in linkage connection with the clutch assembly;

the inner handle is used for driving the clutch assembly to integrally move in the folding state and is in linkage connection with the clutch assembly;

the clutch assembly is used for cutting off or transmitting the external force transmitted by the inner handle or the outer handle to the lock catch linkage assembly, and the clutch assembly is in linkage connection with the lock catch linkage assembly;

the lock catch linkage assembly is used for driving the connecting lock catch unit to move and is connected with the lock catch unit;

and the locking unit is used for executing the switching action.

Through setting up clutch pack, the external force that interior handle or outer handle were to hasp linkage subassembly transmission is cut off or passed to safe knob control clutch pack, therefore when the tool to lock was locked, accessible safe knob control clutch pack cut off the external force that interior handle or outer handle were to hasp linkage subassembly transmission, avoided the mistake to touch the handle, leads to driving in-process, the condition emergence that the lock was opened. When unlocking, the clutch assembly is switched to the closed state, the circuit for transmitting the external force to the lock catch linkage assembly by the inner handle or the outer handle is connected, then the inner handle or the outer handle is screwed, the unlocking can be realized, the double locking function is realized by the arrangement of the clutch assembly, and the lock is locked safely.

Further, the caravan lock further comprises a lock cylinder assembly or/and a motor; the lock core component is used for switching the closing or separating state of the clutch component, and is in linkage connection with the clutch component; the motor is used for switching the closing state or the separating state of the clutch assembly, and the motor is connected with the clutch assembly in a linkage way.

The state of the clutch assembly can also be switched by a lock cylinder assembly or a motor.

Further, the clutch assembly comprises a latch pull plate, a shaft core shifting fork, a clutch block pull plate, a clutch block and a spring; the clutch block pulling plate is internally provided with a clutch block groove body, the spring and the clutch block are arranged in the clutch block groove body, and the spring, the clutch block and the shaft core shifting fork are contacted in sequence; the latch pulling plate is hinged with the shaft core shifting fork, a clamping position is arranged in the clutch block pulling plate, and the latch pulling plate is in dynamic fit with the clamping position.

Further, the latch pull plate is connected with the safety knob through a safety knob linkage assembly, and the safety knob linkage assembly comprises a connecting shaft, a crank arm plate and a straight pull plate which are sequentially connected; the safety knob is connected with the connecting shaft, and the straight pulling plate is connected with the latch pulling plate in the clutch assembly.

Further, the clutch block is in dynamic fit with the inner handle linkage assembly.

Further, the inner handle linkage assembly comprises an inner handle connecting pulling plate, a third steel bar and a steel bar connecting pulling plate; the inner handle is connected with the inner handle connecting pull plate; one end of the third steel bar is hinged with the steel bar connecting pulling plate, and the other end of the third steel bar is hinged with the inner handle connecting pulling plate; the steel bar is connected with the poking plate and is in dynamic contact with the clutch block.

Further, the lock catch linkage assembly comprises a first pull plate, a second pull plate, a first lock catch steel bar and a second lock catch steel bar; the first pulling plate is hinged with the first locking buckle steel bar; the second pulling plate is hinged with the second locking buckle steel bar; the first pulling plate is hinged with the second pulling plate; the first lock catch steel bar is connected with one lock catch unit, and the second lock catch steel bar is connected with the other lock catch unit.

Further, a convex deflector rod is arranged on the clutch block pulling plate in the clutch assembly, the deflector rod is positioned between the first pulling plate and the second pulling plate in the lock catch linkage assembly, and the deflector rod is used for applying external force to the hinge positions of the first pulling plate, the second pulling plate or both.

Further, the locking unit comprises a back plate, a pull plate, a first spring, a reversing rotating plate, a buckle plate and a second spring; the pulling plate, the reversing rotating plate and the pinch plate are sequentially connected, and are arranged on the back plate; the pulling plate is connected with the lock catch steel bar, and the buckle plate is provided with a buckle groove for being dynamically matched with a lock nose arranged on the door frame; one end of the first spring is connected with the backboard, and the other end of the first spring is connected with the pulling plate, so that the pulling plate can be restored; one end of the second spring is connected with the backboard, and the other end of the second spring is connected with the buckle plate, so that the buckle plate can be restored.

Further, a third spring is arranged, one end of the third spring is connected with the back plate, and the other end of the third spring is connected with the lock catch steel bar or the pull plate.

Through billet transmission power, removed other subassemblies from, need not to adjust tension simultaneously, set up No. three springs and offset the billet and jolt because of the dead weight production in driving to the stability of whole adapting unit has been guaranteed.

Further, the caravan lock further comprises a base plate, the clutch assembly and the lock catch linkage assembly are arranged on the base plate, and the base plate is an integrated plastic part.

The plastic part replaces a central control assembly mainly made of metal, integrates the original central control mechanical assembly and the fixed seat assembly of the inner control panel assembly into an integrated plastic assembly, realizes the integration of the central control assembly, has light weight design, is simple, convenient and fast to install, and is more stable and reliable.

Drawings

FIG. 1 is a perspective view of an embodiment of a safety type caravan lock provided by the present utility model;

FIG. 2 is an exploded view of an embodiment of a safety type caravan lock provided by the present utility model;

FIG. 3 is an exploded view of an embodiment of a clutch assembly provided by the present utility model;

FIG. 4 is a schematic diagram of a clutch assembly according to the present utility model in a disengaged state;

FIG. 5 is an enlarged view of a portion of FIG. 4;

FIG. 6 is a schematic diagram of a clutch assembly according to the present utility model;

FIG. 7 is a schematic illustration of a clutch assembly according to the present utility model in a closed position;

FIG. 8 is an enlarged view of a portion of FIG. 7;

FIG. 9 is a schematic two-diagram of a clutch assembly according to the present utility model;

FIG. 10 is a schematic view of a latch linkage assembly provided by the present utility model;

FIG. 11 is a schematic view of a latch unit according to the present utility model;

fig. 12 is a schematic two diagrams of a latch unit provided by the present utility model.

Wherein: 1. an outer handle unit; 11. an outer handle; 12. an outer handle linkage assembly; 13. a lock cylinder assembly; 14. an outer panel; 2. an inner handle unit; 21. an inner handle; 22. an inner panel; 23. a safety knob; 3. a central control unit; 31. a substrate; 32. an inner handle linkage assembly; 321. the inner handle is connected with the pulling plate; 322. a third steel bar; 323. the steel bar is connected with the poking plate; 33. a safety knob linkage assembly; 331. a connecting shaft; 332. crank arm plate; 333. a straight pulling plate; 34. a motor; 35. a clutch assembly; 351. a latch plate; 352. a shaft core shifting fork; 3521. a fork portion; 3522. a shaft core; 353. clutch block pulling plate; 3531. a clutch block groove body; 35311. a spring mounting column; 35312. a limiting block; 3532. a protruding deflector rod; 3533. clamping; 354. a clutch block; 3541. a groove body mounting part; 3542. a rotation limiting part; 3543. a movement limiting part; 3544. a latch; 355. a spring; 36. a latch linkage assembly; 361. a first pulling plate; 362. a second pulling plate; 363. a first lock catch steel bar; 364. a second lock catch steel bar; 4. a locking unit; 41. a back plate; 42. pulling a plate; 43. a first spring; 44. reversing rotating plates; 45. a buckle plate; 46. a second spring; 47. a third spring; 5. and a lock nose.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

In the following description, for the purposes of explanation of various inventive embodiments, certain specific details are set forth in order to provide a thorough understanding of the various inventive embodiments. One skilled in the relevant art will recognize, however, that an embodiment may be practiced without one or more of the specific details. In other instances, well-known devices, structures, and techniques associated with the present disclosure may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, unless the context requires otherwise, the word "comprise" and variations such as "comprises" and "comprising" will be understood to be open-ended, meaning of inclusion, i.e. to be interpreted to mean "including, but not limited to.

Reference throughout this specification to "one embodiment" or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the terms first, second and the like in the description and in the claims, are used for descriptive purposes only and not for limiting the size or other order of the objects described.

The safe type car as a house lock, as shown in figure 1, figure 2, include the lock catch unit 4, central control unit 3, outer handle unit 1 and inner handle unit 2; the upper end and the lower end of the central control unit 3 are both provided with locking units 4, and the inner side and the outer side of the central control unit 3 are respectively provided with an inner handle unit 2 and an outer handle unit 1.

1. An outer handle unit 1.

The outer handle unit 1 comprises

An outer handle 11 for driving the clutch assembly 35 in a closed state to integrally move; the outer handle 11 is arranged on an outer panel 14 on the outer surface of the central control unit 3, is hinged with the outer panel 14, and is in linkage connection with the clutch assembly 35 through the outer handle linkage assembly 12;

an outer handle linkage assembly 12 for linkage connecting the outer handle 11 and the clutch assembly 35;

a key cylinder assembly 13 for switching the closed or open state of the clutch assembly 35; the lock cylinder assembly 13 is disposed on the outer panel 14 and is coupled to the clutch assembly 35.

2. An inner handle unit 2.

The inner handle unit 2 comprises

An inner handle 21 for driving the clutch assembly 35 in the closed state to integrally move; the inner handle 21 is arranged on an inner panel 22 on the inner surface of the central control unit 3, is hinged with the inner panel 22, and is in linkage connection with the clutch assembly 35 through the inner handle linkage assembly 32;

a safety knob 23 for switching the closed or open state of the clutch assembly 35; the safety knob 23 is disposed on the inner panel 22 and is connected with the clutch assembly 35 through the safety knob linkage assembly 33.

3. And a central control unit 3.

The central control unit 3 comprises

The base plate 31 is used for setting parts, and the base plate 31 is of an integrated plastic part structure;

an inner handle linkage assembly 32 for linkage connecting the inner handle 21 and the clutch assembly 35;

a safety knob linkage assembly 33 for linkage-connecting the safety knob 23 and the clutch assembly 35;

a motor 34 for switching the closed or open state of the clutch assembly 35; the motor 34 is connected with the clutch assembly 35 in a linkage way;

the clutch assembly 35 is used for cutting off or transmitting the external force transmitted by the inner handle 21 or the outer handle 11 to the lock catch linkage assembly 36;

the lock catch linkage assembly 36 is in linkage connection with the lock catch unit 4 and is used for driving the lock catch unit 4 to move.

4. A latch unit 4.

The lock catch unit 4 is dynamically matched with the lock nose 5 to realize the opening and closing of the lockset. The locking unit 4 is connected with the locking unit 4 in a linkage way.

To sum up: when unlocking, the clutch assembly 35 is switched to the closed state through the lock cylinder assembly 13, the safety knob 23 or the motor 34, then the clutch assembly 35 in the closed state is driven through the inner handle 21 or the outer handle 11, the clutch assembly 35 in the closed state drives the lock catch linkage assembly 36, and finally the lock catch unit 4 is opened.

The state switching control route of the clutch pack 35 is:

lock cylinder assembly 13-clutch assembly 35 (on-off state switching);

safety knob 23-safety knob linkage assembly 33-clutch assembly 35 (switching of on-off state);

a motor 34-a clutch assembly 35 (switching of the on-off state);

the control route of the locking unit 4 is as follows:

the inner handle 21, the inner handle linkage assembly 32, the clutch assembly 35 (closed state), the lock catch linkage assembly 36 and the lock catch unit 4;

the outer handle 11-the outer handle linkage assembly 12-the clutch assembly 35 (closed state) -the latch linkage assembly 36-the latch unit 4.

5. The specific structure and connection mode of each unit component.

1. The lock cylinder assembly 13 is structured, and the lock cylinder assembly 13 is connected with the clutch assembly 35.

The lock cylinder assembly 13 is coupled to a spindle fork 352 in the clutch assembly 35. As shown in fig. 7, when the lock cylinder assembly 13 rotates to the unlock position, the shaft fork 352 is connected to rotate to the unlock state, and finally the clutch assembly 35 is in the closed state; as shown in fig. 4, when the key cylinder assembly 13 is rotated to the off-lock position, the spindle fork 352 is rotated to the off-lock state, and finally the clutch assembly 35 is in the disengaged state.

2. The safety knob linkage assembly 33 is structured, and the safety knob linkage assembly 33 is connected with the safety knob 23 and the clutch assembly 35.

As shown in fig. 4, 6, 7 and 9, the safety knob linkage assembly 33 includes a connection shaft 331, a crank plate 332 and a straight pull plate 333 connected in sequence; wherein the safety knob 23 is connected with the connecting shaft 331, and the straight pulling plate 333 is connected with the latch pulling plate 351 in the clutch assembly 35; when the safety knob 23 is rotated to the unlocking position, the safety knob linkage assembly 33 drives the latch plate 351, and finally the clutch assembly 35 is in the closed state; when the safety knob 23 is rotated to the locking position, the latch plate 351 is driven to move by the safety knob linkage assembly 33, and finally the clutch assembly 35 is in a separated state.

3. The motor 34 is connected to the clutch assembly 35.

As shown in fig. 10, the output shaft of the motor 34 is connected with the latch plate 351 in the clutch assembly 35, the output shaft of the motor 34 performs linear telescopic motion, when the motor 34 receives the unlocking command, the latch plate 351 synchronously moves forward when the motor 34 extends out, and finally the clutch assembly 35 is in a closed state; when the motor 34 receives the belt lock command, the latch plate 351 moves in the reverse direction in synchronization with the retraction of the motor 34, and finally, the clutch pack 35 is in a disengaged state.

4. The clutch assembly 35 is structured, and the clutch state of the clutch assembly 35.

As shown in fig. 3, the clutch assembly 35 includes a latch plate 351, a spindle fork 352, a clutch block plate 353, a clutch block 354, and a spring 355.

(1) Clutch block pull plate 353.

The clutch block pull plate 353 is provided with a clutch block groove body 3531 on the inner surface, the clutch block groove body 3531 is a linear groove, one end of the groove body 3531 is in an opening state for the clutch block 354 to enter and exit, the other end of the groove body 3531 is in a closing state, a spring 355 installation column 35311 is arranged in the groove body 3531 along the axial direction of the groove body 3531, the spring 355 installation column 35311 is connected with the closed end of the groove body 3531, and a limiting block 35312 is arranged on the groove wall of the groove body 3531.

The outer surface of the clutch block pull plate 353 is provided with a protruding deflector rod 3532 which is used for being matched with the outer handle linkage assembly 12 and the lock catch linkage assembly 36, receiving the power of the outer handle linkage assembly 12 and simultaneously pressing the lock catch linkage assembly 36 to move.

The clutch block pull plate 353 is provided with a detent 3533 for dynamic engagement with the latch pull plate 351.

(2) Clutch block 354.

The clutch block 354 comprises a groove body mounting portion 3541, a rotation limiting portion 3542 and a movement limiting portion 3543, wherein a latch 3544 is arranged on one axial end of the groove body mounting portion 3541 in an outward extending mode, the rotation limiting portion 3542 is connected with the groove body mounting portion 3541, the movement limiting portion 3543 is connected with the rotation limiting portion 3542, and the rotation limiting portion 3542 is used for dynamically contacting with a steel bar connecting poking plate 323 in the inner handle linkage assembly 32.

(3) The spindle fork 352.

The spindle fork 352 includes a spindle 3522 and a fork portion 3521 disposed outside the spindle 3522, the spindle 3522 being adapted to be coupled to the cylinder assembly 13, the rotation of the spindle fork 352 being controlled by the cylinder assembly 13.

As shown in fig. 4 and 5, the spring 355 is installed in the clutch block groove 3531, the spring 355 is sleeved outside the spring 355 installation column 35311, one end of the spring 355 is propped against the closed end of the groove 3531, and the other end of the spring 355 is contacted with the clutch block 354; the groove body mounting part 3541 of the clutch block 354 is mounted in the groove body 3531, the rotation limiting part 3542 is exposed out of the groove body 3531, the movement limiting part 3543 is dynamically matched with the limiting block 35312 in the groove body 3531, the shaft core shifting fork 352 is hinged on the base plate 31, and the lock bolt 3544 of the clutch block 354 is contacted with the shifting fork part 3521 of the shaft core shifting fork 352; the spring 355 gives thrust to the clutch block 354 to push the clutch block 354 to move in the groove body 3531, and pushes the clutch block 354 to move from the G position (folding position) to the H position (separating position) in the groove body 3531, as shown in fig. 4 and 5, the latch 3544 of the clutch block 354 enters and exits from the opening end of the groove body 3531; as shown in fig. 7 and 8, the clutch block 354 is moved from the H position (separated position) to the G position (folded position) in the groove 3531 by pushing the clutch block 354 against the compression spring 355 by the spool fork 352.

As shown in fig. 6 and 9, the latch plate 351 is connected with the safety knob linkage assembly 33 in a linkage manner, the latch plate 351 is hinged with the shaft core shifting fork 352, and the latch plate 351 moves linearly; thus, the safety knob linkage assembly 33 drives the latch plate 351 to move, further drives the shaft core shift fork 352 to rotate, and the shaft core shift fork 352 rotates to drive the latch plate 351 to move. As the latch plate 351 moves, an end K of the latch plate 351 is dynamically engaged with the catch 3533 on the clutch block plate 353.

The clutch assembly 35 is in a disengaged state: as shown in fig. 4, 5 and 6, when the spindle fork 352 rotates reversely by a certain angle to the locking position, the spring 355 pushes the clutch block 354 to move from the G position to the H position (the separation position), the clutch block 354 is separated from the steel bar connection dial 323 in the inner handle linkage assembly 32, the pressure cannot be applied to the clutch block 354 when the steel bar connection dial 323 rotates, the power applied by the inner handle 21 is cut off, and the power line of the inner handle 21 is cut off. When the shaft core shifting fork 352 reversely rotates by a certain angle to the locking position, the latch pulling plate 351 synchronously and reversely moves, the end part K of the latch pulling plate 351 is inserted into the clamping position 3533 on the clutch block pulling plate 353, the clutch block pulling plate 353 cannot move in the L direction, the clutch block pulling plate 353 is locked, the clutch assembly 35 cannot be shifted by the outer handle 11, and the power line of the outer handle 11 is cut off.

The clutch assembly 35 is in the closed state: as shown in fig. 7, 8 and 9, when the shaft core shifting fork 352 rotates forward by a certain angle to the unlocking position, the shifting fork presses the clutch block 354 to push into the clutch block groove 3531, the clutch block 354 is in the G position (folding position), at this time, the rotation limiting portion 3542 of the clutch block 354 contacts with the steel bar connecting poking plate 323 in the inner handle linkage assembly 32, the steel bar connecting poking plate 323 can rotationally apply pressure to the clutch block 354, the power applied by the inner handle 21 can be transmitted, and the power route of the inner handle 21 is restored. When the shaft core shifting fork 352 rotates forward by a certain angle to the unlocking position, the latch pull plate 351 moves forward synchronously, the end part K of the latch pull plate 351 is separated from the clamping position 3533 on the clutch block pull plate 353, the clutch block pull plate 353 can move in the L direction, the clutch component 35 can be shifted by the outer handle 11, and the power route of the outer handle 11 is restored.

As shown in fig. 10, the shaft core shift fork 352 in the clutch assembly 35 is in linkage connection with the lock cylinder assembly 13, and as shown in fig. 10, the shaft core shift fork 352 in the clutch assembly 35 is also in linkage connection with the motor 34, and the shaft core shift fork 352 in the clutch assembly 35 is also in linkage connection with the safety knob 23 through the safety knob linkage assembly 33; the spindle fork 352 may be controlled to rotate by the lock cylinder assembly 13, the motor 34, or the safety knob 23.

5. The inner handle linkage assembly 32 is structured, and the inner handle linkage assembly 32 is connected with the inner handle 21 and the clutch assembly 35.

As shown in fig. 10, the inside handle linkage assembly 32 includes an inside handle connecting pulling plate 321, a No. three steel bar 322, and a steel bar connecting pulling plate 323. The deflector rod at the back part of the inner handle 21 is inserted into the hole on the inner handle connecting pulling plate 321, so that the inner handle 21 and the pulling plate are connected in a linkage way. One end of the third steel bar 322 is hinged with the steel bar connecting pulling plate 323, and the other end is hinged with the inner handle connecting pulling plate 321. The steel bar connection dial 323 is in dynamic contact with the clutch assembly 35, the steel bar connection dial 323 is hinged with the base plate 31, and one place on the outer peripheral surface of the steel bar connection dial 323 is in dynamic contact with the rotation limiting portion 3542 of the clutch block 354.

Linkage process of inner handle 21-inner handle connecting pulling plate 321-clutch pack 35:

when the clutch assembly 35 is in the closed state, the clutch block 354 is in the G position (closed position), the rotation limiting part 3542 of the clutch block 354 is in contact with the steel bar connecting poking plate 323, the inner handle 21 is pulled to drive the inner handle linkage assembly 32 to move, at this time, the rotating steel bar connecting poking plate 323 in the inner handle linkage assembly 32 applies pressure on the clutch block 354, and the clutch block pull plate 353 is driven to move along the L direction by the clutch block 354; the subsequent lock catch linkage assembly 36 and the lock catch unit 4 are driven to move one by one, and the lock is opened.

When the clutch assembly 35 is in a separated state, the clutch block 354 is in an H position (separation position), the rotation limiting part 3542 of the clutch block 354 is not contacted with the steel bar connecting poking plate 323, the inner handle 21 is pulled to drive the inner handle linkage assembly 32 to move, at this time, the rotating steel bar connecting poking plate 323 in the inner handle linkage assembly 32 cannot apply pressure to the clutch block 354, and cannot drive the clutch block pulling plate 353 to move along the L direction; the subsequent lock catch linkage assembly 36 and the lock catch unit 4 cannot be driven to move one by one, and the lock cannot be opened; that is, in the state that the clutch assembly 35 is separated, the inner handle 21 can still be pulled, the movement of the inner handle 21 is not limited, but the locking unit 4 is not driven to move, and the virtual stroke is realized.

6. The outer handle linkage assembly 12 is connected with the outer handle 11 and the clutch assembly 35.

As shown in fig. 10, the outside handle linkage assembly 12 is coupled to a protruding driver 3532 on a clutch block pull plate 353 of the clutch assembly 35.

The linkage process of the outer handle 11, the outer handle linkage assembly 12 and the clutch assembly 35 comprises the following steps:

in the closed state of the clutch assembly 35, the clutch block pull plate 353 is not limited to move along the L direction, the outer handle 11 is pulled outwards, and the outer handle linkage assembly 12 applies pressure to the convex deflector 3532 of the clutch block pull plate 353 to drive the clutch block pull plate 353 to move along the L direction; the subsequent lock catch linkage assembly 36 and the lock catch unit 4 are driven to move one by one, and the lock is opened.

In the state that the clutch assembly 35 is separated, the clutch block pull plate 353 is limited to move along the L direction, the outer handle 11 is pulled outwards, and the outer handle linkage assembly 12 applies pressure to the convex deflector rod 3532 of the clutch block pull plate 353, so that the clutch block pull plate 353 cannot be driven to move along the L direction; the subsequent lock catch linkage assembly 36 and the lock catch unit 4 cannot be driven to move one by one, and the lock cannot be opened.

7. The latch linkage assembly 36 is structured.

As shown in fig. 10, the latch linkage assembly 36 includes a first pull plate 361, a second pull plate 362, a first latch steel bar 363, and a second latch steel bar 364, the first pull plate 361 being hinged to the base plate 31 to form a hinge point a, the first pull plate 361 being hinged to the first latch steel bar 363 to form a hinge point B; the second pull plate 362 is hinged to the base plate 31 to form a hinge point C, the second pull plate 362 is hinged to the second latch steel bar 364 to form a hinge point D, and the first pull plate 361 is hinged to the second pull plate 362 to form a hinge point E. The first latch bar 363 is connected with the first latch unit 4, and the second latch bar 364 is connected with the second latch unit 4.

And (3) unlocking: applying an external force to the hinge point E of the first pull plate 361, the second pull plate 362 or both, so that the first pull plate 361 rotates around the hinge point A to drive the hinge point B of the first pull plate 361 to synchronously rotate, and the first lock catch steel bar 363 is pulled to move towards the central control unit 3; the second pulling plate 362 rotates around the hinge point C to drive the hinge point D of the second pulling plate 362 to synchronously rotate, and the second locking steel bar 364 is pulled to move towards the central control unit 3, so that the locking linkage assembly 36 is in an unlocking state.

8. The lock catch linkage assembly 36 is connected with the clutch assembly 35.

As shown in fig. 10, a protruding shift lever 3532 is disposed on an outer surface of the clutch block pull plate 353 of the clutch assembly 35, the shift lever 3532 is disposed between the first pull plate 361 and the second pull plate 362 of the latch linkage assembly 36, and the shift lever 3532 is configured to apply an external force to the hinge point E of the first pull plate 361, the second pull plate 362, or both.

When the clutch assembly 35 is in the closed state, the clutch block pull plate 353 is in the movable state, the clutch block pull plate 353 can move along the L direction, the inner handle 21 or the outer handle 11 is pulled, the external force is transmitted to the clutch assembly 35 through the inner handle linkage assembly 32 or the outer handle linkage assembly 12, the clutch block pull plate 353 moves along the L direction, the shift lever 3532 on the outer surface of the clutch block pull plate 353 shifts the lock catch linkage assembly 36, the first lock catch steel bar 363 and the second lock catch steel bar 364 are pulled, the buckle 45 in the lock catch linkage assembly 36 is separated from the lock nose 5, and the lockset is in the unlocking state.

9. A latch unit 4.

As shown in fig. 11 and 12, the latch unit 4 includes a back plate 41, a pull plate 42, a first spring 43, a reversing swing plate 44, a buckle 45, and a second spring 46. The back plate 41 comprises a first plate body and a second plate body which are perpendicular to each other, the pull plate 42 is hinged to the first plate body to form a hinge point M, and one end of the latch steel bar 363 is hinged to the pull plate 42 to form a hinge point N; the reversing rotary plate 44 comprises a first rotary body and a second rotary body which are mutually perpendicular, the second rotary body is hinged with the second plate body of the back plate 41, a clamping groove is formed in the pull plate 42, and one end of the first rotary body of the reversing rotary plate 44 is inserted into the clamping groove of the pull plate 42; the buckle plate 45 is hinged to the second plate body of the back plate 41, a clamping groove is formed in the buckle plate 45, one end of the second rotary body of the reversing rotary plate 44 is inserted into the clamping groove of the buckle plate 45, a buckle groove is further formed in the buckle plate 45 and is used for being in dynamic fit with a lock nose 5 arranged on a door frame, and when the buckle groove in the buckle plate 45 clamps the lock nose 5, the lock catch unit 4 is closed; one end of the first spring 43 is connected with the back plate 41, the other end of the first spring 43 is connected with the pull plate 42, and the first spring 43 is selected as a tension spring; one end of the second spring 46 is connected with the backboard 41, the other end is connected with the buckle 45, the function of recovering the buckle 45 is achieved, and the second spring 46 is selected as a torsion spring.

After the lockset is generally installed on a door plate, the lock catch steel bar 363 is arranged vertically, the pull plate 42 is pulled by a certain angle by the weight of the lock catch steel bar 363 under the action of no external force, and then after a series of parts are transmitted, the buckle plate 45 is pulled, the buckle plate 45 does not clamp the lock nose 5, and the closing state of the lockset is unstable. Therefore, a third spring 47 is arranged, one end of the third spring 47 is connected with the back plate 41, the other end is connected with the lock catch steel bar 363 or the pull plate 42, the elastic force of the third spring 47 balances the gravity of the lock catch steel bar 363, and the third spring 47 is selected as a tension spring.

Unlocking process of the latch unit 4: the lock catch steel bar 363 is pulled, the pulling plate 42 rotates to drive the reversing rotating plate 44 to rotate, and finally the buckle plate 45 rotates, and the buckle groove in the buckle plate 45 is separated from the lock nose 5.

6. And (5) unlocking the lockset.

In the first step, the clutch assembly 35 is switched to the closed state by the key cylinder assembly 13, the safety knob 23 or the motor 34.

And secondly, the clutch assembly 35 is driven to move by pulling the inner handle 21 or the outer handle 11, and the lock catch linkage assembly 36 is driven to unlock the lock catch unit 4.

The description of the present utility model is not particularly limited, but is conventional in the art.

The foregoing is a preferred embodiment of the present utility model, and several other simple substitutions and modifications made under the circumstances of the inventive concept should be considered as falling within the scope of the present utility model.

Claims (10)

1. The utility model provides a safe type car as a house lock which characterized in that: comprising

The safety knob is used for switching the closing or separating state of the clutch assembly and is in linkage connection with the clutch assembly;

the outer handle is used for driving the clutch assembly to integrally move in the folding state and is in linkage connection with the clutch assembly;

the inner handle is used for driving the clutch assembly to integrally move in the folding state and is in linkage connection with the clutch assembly;

the clutch assembly is used for cutting off or transmitting the external force transmitted by the inner handle or the outer handle to the lock catch linkage assembly, and the clutch assembly is in linkage connection with the lock catch linkage assembly;

the lock catch linkage assembly is used for driving the connecting lock catch unit to move and is connected with the lock catch unit;

and the locking unit is used for executing the switching action.

2. A safety type caravan lock as claimed in claim 1, wherein: the caravan lock also comprises a lock cylinder assembly or/and a motor; the lock core component is used for switching the closing or separating state of the clutch component, and is in linkage connection with the clutch component; the motor is used for switching the closing state or the separating state of the clutch assembly, and the motor is connected with the clutch assembly in a linkage way.

3. A safety type caravan lock as claimed in claim 1 or 2, characterized in that: the clutch assembly comprises a latch pull plate, a shaft core shifting fork, a clutch block pull plate, a clutch block and a spring; the clutch block pulling plate is internally provided with a clutch block groove body, the spring and the clutch block are arranged in the clutch block groove body, and the spring, the clutch block and the shaft core shifting fork are contacted in sequence; the latch pulling plate is hinged with the shaft core shifting fork, a clamping position is arranged in the clutch block pulling plate, and the latch pulling plate is in dynamic fit with the clamping position.

4. A safety type caravan lock as claimed in claim 3, wherein: the latch pull plate is connected with the safety knob through a safety knob linkage assembly, and the safety knob linkage assembly comprises a connecting shaft, a crank arm plate and a straight pull plate which are connected in sequence; the safety knob is connected with the connecting shaft, and the straight pulling plate is connected with the latch pulling plate in the clutch assembly.

5. A safety type caravan lock as claimed in claim 3, wherein: the clutch block is dynamically matched with the inner handle linkage assembly; the inner handle linkage assembly comprises an inner handle connecting pulling plate, a third steel bar and a steel bar connecting pulling plate; the inner handle is connected with the inner handle connecting pull plate; one end of the third steel bar is hinged with the steel bar connecting pulling plate, and the other end of the third steel bar is hinged with the inner handle connecting pulling plate; the steel bar is connected with the poking plate and is in dynamic contact with the clutch block.

6. A safety type caravan lock as claimed in claim 3, wherein: the lock catch linkage assembly comprises a first pull plate, a second pull plate, a first lock catch steel bar and a second lock catch steel bar; the first pulling plate is hinged with the first locking buckle steel bar; the second pulling plate is hinged with the second locking buckle steel bar; the first pulling plate is hinged with the second pulling plate; the first lock catch steel bar is connected with one lock catch unit, and the second lock catch steel bar is connected with the other lock catch unit.

7. The safety type caravan lock as claimed in claim 6, wherein: the clutch block pulling plate in the clutch assembly is provided with a protruding pulling rod, the pulling rod is positioned between the first pulling plate and the second pulling plate in the lock catch linkage assembly, and the pulling rod is used for applying external force to the hinge positions of the first pulling plate, the second pulling plate or both.

8. The safety type caravan lock as claimed in claim 6, wherein: the locking unit comprises a back plate, a pulling plate, a first spring, a reversing rotating plate, a buckle plate and a second spring; the pulling plate, the reversing rotating plate and the pinch plate are sequentially connected, and are arranged on the back plate; the pulling plate is connected with the lock catch steel bar, and the buckle plate is provided with a buckle groove for being dynamically matched with a lock nose arranged on the door frame; one end of the first spring is connected with the backboard, and the other end of the first spring is connected with the pulling plate, so that the pulling plate can be restored; one end of the second spring is connected with the backboard, and the other end of the second spring is connected with the buckle plate, so that the buckle plate can be restored.

9. The safety type caravan lock of claim 8, wherein: and a third spring is arranged, one end of the third spring is connected with the back plate, and the other end of the third spring is connected with the lock catch steel bar or the pull plate.

10. A safety type caravan lock as claimed in claim 2, wherein: the caravan lock further comprises a base plate, the clutch assembly and the lock catch linkage assembly are arranged on the base plate, and the base plate is an integrated plastic part.