TWM502724U - Lock and lock module suitable for use with clutch - Google Patents

Description

Lock and clutch module for locks

The present invention relates to an anti-theft device, and more particularly to a lock and a clutch module suitable for the lock.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , a lock is provided in the case of the Republic of China Patent No. 497646. The lock comprises a casing 10, a handle rotation mechanism 11 disposed in the casing 10, a bolt mechanism 12 and a lock. Lock block mechanism 13.

The handle rotation mechanism 11 includes an upper rotation seat 111 and a lower rotation seat 112 which are vertically opposed to each other, two buckle posts 113 and two rotation blocks 114 respectively disposed on the upper and lower rotation seats 111 and 112, and two sets respectively. The rotating piece 115 of the rotating block 114.

The rotating blocks 114 can be respectively provided with an inner handle (not shown) and an outer handle (not shown).

One of the buckles 113 is fixed by a screw 116 and protrudes from one of the upper and lower rotating seats 111, 112 and limits the respective rotating blocks 114 to block the rotating blocks 114 respectively. Rotating relative to the respective rotating base 111 (112), generally, one of the buckles 113 is located on a side adjacent to the inner handle, and therefore, by operating the inner handle, the respective rotating pieces 115 can be made The locking mechanism 12 is abutted and interlocked to achieve the purpose of unlocking.

Since the buckle 13 adjacent to the outer handle does not protrude from the other of the upper and lower rotating seats 111, 112, the outer handle is idly operated when the outer handle is operated, and the respective rotating piece 115 cannot be rotated to interlock the lock. Tongue mechanism 12.

When the lock block mechanism 13 is in a locked state, a lock block 131 of the lock block mechanism 13 is received into the casing 10, and at this time, the rotating block 114 adjacent to the outer handle is in an idling state.

When the lock block mechanism 13 is in an unlocked state, the other of the buckles 113 is pushed into the respective rotating seats 111 (112) by a locking piece 132, so that the buckles 13 are respectively protruded. In the upper and lower rotations of the seat 111, 112, at this time, the operation of the inner handle and the outer handle can rotate the respective rotating piece 115 to interlock the tongue mechanism to achieve the purpose of unlocking 12%.

However, as shown in FIG. 1, the handle rotation mechanism 11 requires a large number of component combinations, which has the disadvantage of being too costly. In addition, once one of the buckle posts 13 is locked by the screw 116, it is not easy to replace. When the lock is applied to a place where the inside and the outside are not clear or where the handle operation direction (such as a factory) needs to be replaced, the entire set of locks needs to be removed and adjusted before being reinstalled, which is quite inconvenient.

Therefore, the object of the present invention is to provide a lock that can save component costs and has a commutation and clutch function.

Therefore, the novel lock comprises a casing, a bolt module, a clutch module and a switching module.

The latch module is disposed in the housing and includes a latch that can be rotated, a lock block that can be engaged by the latch to protrude or collect the housing.

The clutch module is disposed in the housing and includes a rotating seat having a rotating space and surrounding a rotating shaft of the handle, and an inner limiting member disposed on the rotating seat and protruding from the rotating space. An elastic member between the rotating seat and the inner limiting member, two stopping members disposed along the axis of rotation of the handle and respectively located on opposite sides of the rotating seat, and a portion protrudingly disposed on the rotating seat One of the outer limiting members can be abutted by one of the stopping members, and each of the stopping members has two outer stopping portions which are reliable against the outer limiting member, and two are located in the rotating space and are reliable Abutting the inner stop of the inner limiting member, the stopping members are respectively rotatable relative to the rotating seat axis about the axis of rotation of the handle, and the inner limiting member is constantly received by the elastic restoring force of the elastic member. Moving relative to the rotating seat between a non-idle position and an idle position, in the non-idle position, the inner limiting member protrudes from the rotating space and can be separated by the respective inner stop of the stopping members The stop abuts, and in the idle position, the inner limit member does not protrude from the swirling space.

The switching module can be driven by the latch module to interlock the clutch module. When the lock block is received in the housing, the switching module switches the inner limiting member to the non-idle position when the locking block protrudes In the case of the housing, the switching module switches the inner limiting member to the idle position.

Another object of the present invention is to provide a clutch module suitable for use in the aforementioned lock.

The utility model has the advantages that: by changing the position of the outer limiting member of the clutch module, the indoor and outdoor operating functions can be changed, and when the locking block protrudes from the housing, the locking bolt module is And the switching module is interlocked, so that the blocking member adjacent to the outdoor is in an idling state, by the clutch Module settings can reduce component costs compared to conventional techniques.

3‧‧‧Shell

4‧‧‧Clutch module

41‧‧‧ rotating seat

411‧‧‧Swing space

412‧‧‧ outer limit slot

413‧‧‧ drive block

41a‧‧‧Rotating seat

41b‧‧‧Rotating seat

42‧‧‧Limited parts

421‧‧‧Bumps

422‧‧‧ head

43‧‧‧Flexible parts

44‧‧‧stops

441‧‧‧External stop

442‧‧‧Internal stop

45‧‧‧External parts

5‧‧‧Lock module

51‧‧‧Lock

52‧‧‧Lock block

6‧‧‧Switching module

61‧‧‧Switching parts

7‧‧‧Lock tongue

8‧‧‧ linkage module

91‧‧‧ inside handle

92‧‧‧Outer handle

93‧‧‧Bump

L‧‧‧Handle axis

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is an exploded perspective view showing a conventional handle rotation mechanism of the lock; FIG. 2 is a top view illustrating FIG. 3 is a schematic view showing the operation mode of the conventional lock; FIG. 4 is a plan view showing an unlocked state of an embodiment of the lock of the present invention; FIG. 5 is a perspective exploded view; FIG. 6 is a perspective view showing a combination type of the clutch module and an inner handle; FIG. 7 is a perspective view showing a combined view of the other view of the clutch module. Figure 8 is a cross-sectional view showing an inner limiting member of the clutch module in an idle position; Figure 9 is a view similar to Figure 8 illustrating the inner limiting member in a non-idle position; Figure 10 is a plan view showing a locked state of the embodiment; and Figure 11 is a plan view showing the operation mode of the clutch module.

Referring to FIG. 4, an embodiment of the present invention includes a housing 3, A clutch module 4, a latch module 5, a switching module 6, a locking tongue 7, and a linkage module 8.

Referring to FIG. 5, FIG. 6 and FIG. 7, the clutch module 4 is disposed in the housing 3 (see FIG. 4) and includes a rotation axis L around a handle and is rotatable relative to the housing 3 to define a swirling space. a rotating seat 41 of the 411, an inner limiting member 42 extending from the rotating base 41 and protruding from the rotating space 411, and an elastic member 43 interposed between the rotating base 41 and the inner limiting member 42 And a stopper member 44 disposed along the handle rotation axis L and located on opposite sides of the rotation seat 41, and a portion protrudingly disposed on one side of the rotation seat 41 and being movable by the one of the blocks The stopper 44 abuts the outer limiting member 45.

The rotating base 41 has two outer limiting slots 412 respectively formed on opposite sides of the outer limiting member 45, and a plurality of positioning slots 412 respectively for abutting and driving the linkage module 8 to interlock the locking tongues 7 Drive block 413 (see Figure 11). In the present embodiment, the rotating base 41 is formed by combining two rotating seat portions 41a, 41b. It can be understood that the rotating base 41 can also be formed integrally.

Referring to FIG. 6 , FIG. 8 and FIG. 9 , the inner limiting member 42 has a protruding portion 421 that passes through the rotating base 41 and can protrude or not protrude from the rotating space 411 , and an exposed portion is rotated. The head 422 of the seat 41. The inner limiting member 42 is movable relative to the rotating base 41 between an idle position and a non-idle position. In the non-idle position, the head 422 is pressed by an external force and compresses the elastic member 43 to cause the protruding portion 421. The convex portion 411 is protruded from the rotating space 411. In the idling position, the external force of the head 422 is released and recovered by the elastic force of the elastic member 43, and the convex portion 421 does not protrude from the rotating space 422.

Each of the stoppers 44 has two outer stopper portions 441 which are reliably abutted against the outer limiting member 45, and two inner stoppers located in the swirling space 411 and reliably resisting the convex portion 421 of the inner limiting member 42. Department 442.

The stops 44 are respectively provided for an inner handle 91 (see FIG. 6) and an outer handle 92 (see FIG. 7), and the inner handle 91 or the outer handle 92 can be operated such that the stops 44 can The rotation of the rotation axis 41 is pivoted about the handle rotation axis L.

Referring to FIG. 6 and FIG. 7 , in the embodiment, the outer limiting member 45 is located on the outer limiting slot 412 of the rotating base 41 adjacent to the inner handle 91. It can be understood that the external limiting slot can also be used as needed. The outer limiting member 45 is disposed on the outer limiting groove 412 of the rotating seat 41 adjacent to the side of the outer handle 92.

Referring to FIG. 9 , in the non-idle position and when the blocking members 44 are respectively rotated relative to the rotating base 41 , one of the inner stopping portions 442 of each blocking member 44 abuts against the protruding portion of the inner limiting member 42 . The portion 421 is configured such that the blocking member 44 cannot rotate relative to the rotating base 41, and the rotating base 41 is rotated relative to the housing 3, so that the driving block 413 of the rotating base 41 can drive the linkage module 8 to interlock the Lock tongue 7 (see Figure 11).

Referring to FIG. 8, in the idle position and when the stoppers 44 are respectively rotated relative to the rotating base 41, the stopping member 44 driven by the outer handle 92 can be rotated axially relative to the rotating base 41 (see FIG. 7), the stopping member 42 driven by the inner handle 91 is blocked by the outer limiting member 45 (see FIG. 6), and the rotating seat 41 is rotated relative to the housing 3, so that the rotating base 41 can be The bolt module 5 and the bolt 7 can be interlocked through the linkage module 8 (see FIG. 11).

Referring to FIG. 4 and FIG. 10, the latch module 5 is disposed in the housing 3 and includes a latch 51 that can be rotated by a knob (not shown), and a latch 51 can be driven by the latch 51. a lock block 52, the lock bolt 51 can drive the lock block 52 to protrude or collect the housing 3. When the lock block 52 protrudes from the housing 3, it is in a locked state, when the lock block 52 receives the shell When the body is 3, it is in an unlocked state.

In the locked state, the inner limiting member 42 of the clutch module 4 is located in the idle position (see FIG. 8), and in the non-locked state, the inner limiting member 42 is located in the non-idle position (see FIG. 9). .

The switching module 6 has a switching member 61 that can be interlocked by the locking block 52. In the locked state, the switching member 61 is spaced from the head 422 of the limiting member 42 of the clutch module 4, so that The inner limiting member 42 is located at the idle position (see FIG. 8). In the unlocked state, the switching member 61 abuts against the head 422 of the inner limiting member 42 such that the inner limiting member 42 is located at the non-idling position. Location (see Figure 9).

The linkage module 8 is a technique familiar to the industry. In this embodiment, the function of the linkage module 8 is mainly related to the action relationship between the clutch module 4, the lock tongue 7 and the lock block 52. The linkage module 8 will not be described here.

Through the above description, the operation modes and advantages of the embodiment can be summarized as follows:

1. Referring to FIG. 9 and FIG. 11, when the lock block 52 of the latch module 5 is in the non-locked state, the inner limiting member 42 is located in the non-idle position. That is, regardless of the operation of the inner handle 91 and the outer handle 92, the respective inner stop portions 442 of the stoppers 44 are reliably abutted against the convex portion 421 of the inner limiting member 42 to interlock the rotating seat. The rotation of the housing 3 relative to the housing 3 drives the linkage module 8 by the driving block 413 of the rotating base 41, so that the locking tongue 7 is received in the housing for unlocking purposes.

2. Referring to FIG. 7, FIG. 8 and FIG. 10, when the lock block 52 is in the locked state, the inner limit member 42 is located in the idle position, that is, the stop driven by the outer handle 92. The member 44 is idling, and the linkage module 8 cannot be interlocked, so as to prevent the person in charge from destroying the lock to protect the safety of the user.

3. Referring to FIG. 6, FIG. 10 and FIG. 11, when the lock block 52 is in the locked state, due to the setting of the outer limiting member 45, by operating the inner handle 91, the corresponding blocking member 44 can be transmitted. The outer stop 441 abuts the outer limiting member 45, and drives the rotating base 41 and the linkage module 8 to directly receive the locking block 52 into the housing to save the step of turning the knob to open the locking bolt 51.

4. Referring to FIG. 6 and FIG. 7, if the operating conditions of the inner handle 91 and the outer handle 92 are to be replaced, only the outer limiting member 45 of the clutch module 4 needs to be adjacent to the side of the inner handle 91. The outer limiting groove 412 is instead disposed on the outer limiting groove 412 adjacent to the side of the outer handle 92, so that the inner and outer operating conditions can be interchanged.

5. Referring to FIG. 5 and FIG. 11, the inner handle 91 is operated by the driving block 413 of the rotating base 41 and the inner and outer blocking portions 442, 441 of the blocking members 44. When the outer handle 92 is used (see also Figure 6 and Fig. 7), in the clockwise direction (outer handle direction) or the counterclockwise direction (inner handle direction), can achieve the purpose of the embodiment, and has high convenience.

6. Referring to FIG. 1 and FIG. 5, compared with the handle rotation mechanism 11 of the prior art, the embodiment integrates components of various functions into the clutch module 4, which can surely reduce the material and processing cost when manufacturing the lock. .

It is worth mentioning that, as shown in FIG. 11, the general operation mode of the rotating base 41 of the clutch module 4 is counterclockwise rotation. If rotated clockwise, the driving block 413 of the rotating base 41 will be replaced by one. The studs 93 are constrained such that the swivel mount 41 cannot be rotated clockwise.

In summary, the new type of lock and the clutch module suitable for the lock have the advantages of internal and external reversing operation and idling function, and also have the advantages of material saving and processing cost, so that the purpose of the present invention can be achieved.

However, the above description is only for the embodiments of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple equivalent changes and modifications made by the present patent application scope and the contents of the patent specification are still It is within the scope of this new patent.

4‧‧‧Clutch module

41‧‧‧ rotating seat

411‧‧‧Swing space

412‧‧‧ outer limit slot

413‧‧‧ drive block

41a‧‧‧Rotating seat

41b‧‧‧Rotating seat

42‧‧‧Limited parts

421‧‧‧Bumps

422‧‧‧ head

43‧‧‧Flexible parts

44‧‧‧stops

441‧‧‧External stop

442‧‧‧Internal stop

45‧‧‧External parts

L‧‧‧Handle axis

Claims (9)

A lock comprising: a casing; a bolt module disposed in the casing and including a lock bolt that can be rotated, a lock block that can be engaged by the bolt to protrude or collect the casing; a clutch module is disposed in the housing and includes a rotating seat having a rotating space and surrounding the axis of rotation of the handle, an inner limiting member disposed on the rotating seat and protruding from the rotating space, and an intermediate member And a resilient member disposed between the rotating base and the inner limiting member, and two stopping members disposed along the axis of rotation of the handle and respectively located on opposite sides of the rotating seat, and a portion protrudingly disposed on the rotating seat One of the outer limiting members that can be abutted by one of the stopping members, each of the stopping members has two outer stopping portions that are reliable against the outer limiting member, and two are located in the rotating space and Reliable to the inner stop of the inner limiting member, the blocking members are respectively rotatable relative to the rotating seat axis about the axis of the handle rotation, and the inner limiting member is constantly subjected to the elastic restoring force of the elastic member Moving relative to the rotating base between a non-idle position and an idle position, in the non-idle position The inner limiting member protrudes from the rotating space and can be abutted by the respective inner stopping portions of the stopping members. In the idle position, the inner limiting member does not protrude from the rotating portion. a switching module that can be driven by the latch module to interlock the clutch module. When the lock block is received in the housing, the switching module switches the inner limiting member to the non-idle position. When the lock block protrudes from the housing, the switching module switches the inner limiting member to the idle position. The lock device of claim 1, wherein the rotating seat of the clutch module has two outer limiting slots respectively formed on opposite sides and disposed for the outer limiting member, and the outer limiting member is disposed at the same One of the outer limit slots. The lock of claim 2, wherein the inner limiting member of the clutch module has a protruding portion that passes through the housing and can protrude or not protrude from the rotating space, and is exposed to the Rotating the head of the seat, when the head is pressed by an external force and compressing the elastic member, the protruding portion protrudes from the rotating space and is located in the non-idling position, and the external force of the head is released and recovered by the elastic force of the elastic member The bump portion does not protrude from the swirling space and is located at the idle position. The lock of 2 or 3, further comprising a lock tongue that can protrude or receive the housing, and a linkage module that can interlock the lock tongue with the clutch module. The lock of claim 4, wherein the rotating seat of the clutch module further has a driving block that can abut and drive the linkage module to interlock the locking tongue. A clutch module suitable for a lock, the lock comprising a casing, a bolt module disposed in the casing, and a switching module that can be driven by the bolt module to interlock the clutch module, The clutch module includes: a rotating seat disposed in the housing and including a rotating space and rotating around a handle; an inner limiting member is disposed through the rotating seat and protrudes from the rotating space; An elastic member is disposed between the rotating seat and the inner limiting member, and provides an elastic restoring force of the inner limiting member; an outer limiting member is disposed on the rotating seat and partially protrudes from the rotating seat One side; and two stop members are disposed along the axis of rotation of the handle and located on opposite sides of the rotating seat, and are respectively rotatable relative to the rotating seat axis about the axis of rotation of the handle, each of the stopping members having 2, the outer stop portion of the outer limiting member is reliable, and the inner stop portion of the inner limiting member is located in the rotating space; the inner limiting member is always elastically restored by the elastic member The force is movable relative to the rotating seat between a non-idle position and an idle position. In the non-idle position, the inner limiting member is pressed by the external force and protrudes from the rotating space and can be blocked by the The respective inner stop of the piece abuts, and in the idle position, the inner stop is subjected to the elastic restoring force without protruding from the swirling space. The clutch module of claim 6, wherein the rotating base has two outer limiting slots respectively formed on opposite sides and disposed for the outer limiting member, and the outer limiting member is disposed at the outer limit One of the bit slots. The clutch module of claim 7, wherein the inner limiting member has a protruding portion that passes through the housing and can protrude or not protrude from the rotating space, and is exposed to the rotating seat. a head portion which is pressed by an external force and compresses the elastic member, the convex portion protrudes from the rotating space, and when the external force of the head is released and recovered by the elastic member, the convex portion is not convex In this swirling space. The clutch module of claim 7 or 8, wherein the lock further comprises a lock tongue that can protrude or receive the housing, and a linkage module that can interlock the lock tongue with the clutch module, the rotary seat further has a The driving module can be interlocked and driven to interlock the driving block of the locking tongue.