CN113417522A

CN113417522A - Lock mechanism

Info

Publication number: CN113417522A
Application number: CN202110806140.8A
Authority: CN
Inventors: 蔡明勋; 严国轩; 罗敬轩; 黄于真
Original assignee: Taiwan Luxshare Precision Ltd
Current assignee: Luxshare Precision Industry Co Ltd; Taiwan Luxshare Precision Ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-09-21

Abstract

A lock mechanism comprises a base, a shaft core piece, a lock core piece, a transmission assembly and a handle. The base comprises a bottom plate and a side plate. The bottom plate includes a setting hole. The side plate surrounds the periphery of the bottom plate to form an accommodating space. The axle center piece is arranged on the bottom plate and comprises a first gear portion, an axle center portion and a sleeving hole, the first gear portion is located in the accommodating space, and the axle center portion penetrates through the shooting hole. The lock core piece comprises a lock core part, a second gear part and a sleeve joint shaft, and the sleeve joint shaft penetrates through the sleeve joint hole to enable the second gear part to be sleeved on the first gear part. The transmission assembly comprises a base and a rack, and the rack is correspondingly meshed with the first gear part. The handle comprises a sleeve part and a holding part, wherein the sleeve part is sleeved on the shaft center part, and in a use state, the sleeve part is pivoted clockwise or anticlockwise by taking the sleeve part as a center to rotate the linked shaft center part, so that the first gear part is linked with the driving rack to move.

Description

Lock mechanism

Technical Field

The invention relates to a lockset mechanism, in particular to a lockset mechanism which can be used for left opening and right opening.

Background

The cat eye structure is prevented to intelligent lock on existing market, need press the button and push down the doorknob simultaneously, just can open the door the action, makes the degree of difficulty that the outer door unblanked through the cat eye promote. However, most of the cat eye prevention structures are designed, so that when a consumer selects and installs the electronic lock, the consumer needs to pay attention to whether the home door is opened left (the person is outside the room and faces the door, and the door spindle is on the left) or right (the person is outside the room and faces the door, and the door spindle is on the right) so as to conveniently detach and install the electronic lock. And the installation step of current prevent cat eye structure is loaded down with trivial details, need notice whether the installation is correct, and also must dismantle the screw when dismantling, and is very inconvenient. Therefore, the current cat eye structure of preventing causes the unable quick installation of user and installs incorrect risk.

Disclosure of Invention

In view of the above, according to some embodiments, a lock mechanism includes a base, a spindle, a barrel, a drive assembly, and a handle. The base comprises a bottom plate and a side plate. The bottom plate includes a setting hole. The side plate surrounds the periphery of the bottom plate to form an accommodating space with the bottom plate. The axle center piece is arranged on the bottom plate and comprises a first gear part, an axle center part and a sleeve hole, wherein the first gear part, the axle center part and the sleeve hole are sequentially connected, the first gear part is communicated with the axle center part, the first gear part is positioned in the accommodating space, and the axle center part penetrates through the emitting and arranging hole and is exposed out of the bottom plate. The lock core piece comprises a lock core part, a second gear part and a sleeve shaft which are connected in sequence, wherein the sleeve shaft penetrates through the sleeve hole to enable the second gear part to be sleeved on the first gear part. The transmission assembly comprises a base and a rack positioned on the base, and the rack is correspondingly meshed with the first gear part. And the handle comprises a sleeve part and a holding part which are sequentially connected, the sleeve part is sleeved on the axial center part to enable the handle to be exposed out of the bottom plate, and in the using state, the handle is pivoted clockwise or anticlockwise by taking the sleeve part as the center to drive the axial center part to pivot, so that the first gear part drives the rack to move. Wherein, the rack is reset and moved, and the axle center piece and the sleeve part are connected to pivot, so that the grip returns to the initial state.

According to some embodiments, the grip further comprises a linkage assembly. The linkage assembly comprises a linkage part and a pressing part. The interlocking part is arranged in the sleeve part, and one end of the interlocking part is clamped with the shaft center part. The pressing part is connected with the other end of the linkage part and exposed out of the sleeve part, and the linkage part linkage shaft center part pivots under the using state.

According to some embodiments, the linking component further includes a spring disposed in the linking portion, one end of the spring abuts against the sleeve portion, and the other end abuts against the pressing portion to provide an elastic force to expose the pressing portion out of the sleeve portion.

According to some embodiments, in the unlocked state, the linking component moves toward the bottom plate, so that the pressing portion is trapped in the sleeve portion, and one end of the linking portion is engaged with the shaft center portion and the sleeve shaft.

According to some embodiments, in the unlocking state and the using state, the handle linkage shaft element and the lock core element pivot, and the second gear part is in pivot engagement with the rack along with the movement of the rack.

According to some embodiments, the first gear portion further includes an upper surface and a supporting block located on the upper surface, and the supporting block supports against the second gear portion to link the lock core member to pivot.

According to some embodiments, the abutting block is located on the periphery of the upper surface and located on the same side as the extending direction of the holding portion.

According to some embodiments, the lock mechanism further includes an upper cover connected to the side plate to cover the accommodating space.

According to some embodiments, the upper cover further includes a setting opening, and the base is detachably engaged with the setting opening to allow the transmission assembly to be partially disposed in the accommodating space.

According to some embodiments, the upper cover further includes a lock cylinder hole, and the lock cylinder is disposed through the lock cylinder hole.

According to some embodiments, the transmission assembly further includes a fixing member and two resetting members. The fixing piece is used for arranging the rack, wherein the base further comprises two upright posts, and the fixing piece is arranged on the upright posts. And the two resetting pieces are respectively sleeved at the two ends of the fixing piece and used for providing elastic resetting force for the rack.

According to some embodiments, the transmission assembly further includes a spring disposed on the base, the rack further includes a reset slot, and the spring further includes a protrusion engaged with the reset slot in a static state.

According to some embodiments, the rack further includes a supporting wall, and one end of each of the restoring members is supported by the pillar and the other end is supported by the supporting wall.

According to some embodiments, the lock mechanism further includes a bearing sleeved on the hub and disposed on the bottom plate.

The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.

Drawings

FIG. 1 illustrates a schematic diagram (one) of a latch mechanism according to some embodiments.

FIG. 2 illustrates a schematic diagram (two) of a latch mechanism according to some embodiments.

FIG. 3 illustrates an exploded view of a lock mechanism according to some embodiments.

Fig. 4 illustrates a schematic diagram of a base according to some embodiments.

FIG. 5 depicts a schematic view of a hub according to some embodiments.

FIG. 6 depicts a schematic view of a barrel according to some embodiments.

FIG. 7 is a cross-sectional view of the latch mechanism of FIG. 1 in position A-A.

FIG. 8 illustrates a schematic diagram (one) of a transmission assembly according to some embodiments.

FIG. 9 shows a schematic view of a grip according to some embodiments.

Fig. 10 is a schematic diagram (one) illustrating rack movement according to some embodiments.

Fig. 11 is a schematic view (a) illustrating a shaft member and a linkage assembly according to some embodiments.

FIG. 12 is a cross-sectional view of the latch mechanism of FIG. 11 at position B-B.

FIG. 13 illustrates a schematic diagram (one) of the actuation of the barrel and linkage assembly according to some embodiments.

FIG. 14 is a schematic diagram of the actuation of the barrel and linkage assembly according to some embodiments.

Fig. 15 illustrates rack actuation according to some embodiments.

Fig. 16 illustrates rack actuation according to some embodiments.

FIG. 17 illustrates a schematic diagram of a transmission assembly according to some embodiments.

Wherein, the reference numbers:

10: base

11: bottom plate

12 side plate

13, a containing space

14 setting hole

20 axle center piece

21 first gear part

21a upper surface

21b holding block

22 axial center part

23: sleeve joint hole

30, lock core piece

31 lock cylinder part

32 second gear part

33, a sleeve joint shaft

40. transmission assembly

41: base

42 rack

42a holding wall

42b reset card slot

43 fixing part

44 resetting piece

45: column

46 spring plate

46a convex part

50: handle

51 sleeve part

52: grip part

53 linkage component

53a linkage part

53b pressing part

53c spring

60, an upper cover

61 providing an opening

62, lock core hole

70 bearing

Detailed Description

The invention will be described in detail with reference to the following drawings, which are provided for illustration purposes and the like:

referring to fig. 1-4, fig. 1 is a schematic diagram (a) of a lock mechanism according to some embodiments. FIG. 2 illustrates a schematic diagram (two) of a latch mechanism according to some embodiments. FIG. 3 illustrates an exploded view of a lock mechanism according to some embodiments. Fig. 4 illustrates a schematic diagram of a base according to some embodiments. The lock mechanism of the present invention comprises a base 10, a shaft member 20, a lock core member 30, a transmission assembly 40 and a handle 50. The following examples are described with respect to left-opening (a person is outside the room facing the door, the door axis is to the left).

Referring to fig. 4, the base 10 is a base structure made of metal or alloy, and is shaped, for example, but not limited to, a rectangular structure or a circular structure with a cubic shape. The base 10 includes a bottom plate 11 and side plates 12. The side plate 12 includes a setting hole 14, and the side plate 12 surrounds the periphery of the bottom plate 11 to form an accommodating space 13 with the bottom plate 11.

Referring to fig. 5, fig. 5 illustrates a schematic view of a hub according to some embodiments. The axle center 20 is disposed on the bottom plate 11, and the axle center 20 includes a first gear portion 21, an axle center portion 22 and a coupling hole 23 for communicating the first gear portion 21 and the axle center portion 22. When the hub 20 is disposed on the bottom plate 11, the first gear portion 21 is located in the accommodating space 13, and the hub 22 penetrates through the disposing hole 14 and is exposed to the bottom plate 11. In some embodiments, the upper outer edge and the lower outer edge of the first gear portion 21 have a tooth-like structure.

Referring to fig. 6 and 7, fig. 6 illustrates a schematic view of a barrel according to some embodiments. FIG. 7 is a cross-sectional view of the latch mechanism of FIG. 1 in position A-A. The lock core 30 includes a lock core 31, a second gear 32 and a coupling shaft 33 connected in sequence, wherein the coupling shaft 33 penetrates the coupling hole 23, the coupling shaft 33 is disposed in the shaft core 22, and the second gear 32 is nested on the first gear 21. In some embodiments, the outer edge of the upper portion of the second gear portion 32 has a toothed structure, and the toothed structure of the outer edge of the upper portion of the first gear portion 21 is greater than the toothed structure of the outer edge of the upper portion of the second gear portion 32. Further, the upper outer edge of the second gear unit 32 has a serration only at the two arc-shaped ends of the upper outer edge. Accordingly, when the tooth structure of the second gear part 32 is nested on the first gear part 21 corresponding to the tooth structure of the first gear part 21, the tooth structure of the second gear part 32 is only partially overlapped on the tooth structure of the first gear part 21.

Referring to fig. 8, fig. 8 illustrates a schematic diagram (a) of a transmission assembly according to some embodiments. The transmission assembly 40 includes a base 41 and a rack 42 located on the base 41, and the rack 42 is correspondingly engaged with the first gear portion 21 (as shown in fig. 7). The transmission assembly 40 is mainly capable of cooperating with the spindle member 20 and the turn-key member 30 and driving the spindle member 20 and the turn-key member 30 to return. Therefore, the mechanism of the transmission assembly 40 of the present invention is only for example, and the present invention is not limited thereto.

Referring to fig. 9, fig. 9 is a schematic view of a grip according to some embodiments. The grip 50 includes a sleeve portion 51 and a holding portion 52 connected in sequence, the sleeve portion 51 is sleeved on the axial center portion 22, and the grip 50 is exposed from the bottom plate 11. In some embodiments, the hub 20 may be secured to the grip 50 by an engagement element such as, but not limited to, a screw when the sleeve portion 51 is received over the hub portion 22.

Referring to fig. 10, fig. 10 is a schematic diagram (a) illustrating rack movement according to some embodiments. In a use state (pressing or lifting the handle 50), the handle 50 can pivot clockwise or counterclockwise around the sleeve portion 51 to pivot the coupling shaft 20, so that the rack 42 correspondingly engages with the first gear portion 21, and the shaft 20 pivots to move the first gear portion 21 and the driving rack 42. Further, when the sleeve portion 51 is pivoted clockwise or counterclockwise, the shaft center member 20 can be simultaneously interlocked to be pivoted clockwise or counterclockwise. In the left-hand embodiment, the counterclockwise pivoting of the handle 50 (depressing of the handle 50) causes the first gear portion 21 to move to the left in conjunction with the drive rack 42.

When the rack 42 moves to the right, the rack 42 pivots the linking shaft 20, and the linking sleeve 51 pivots, so that the linking handle 50 pivots back to an initial state (the initial rest position of the handle 50). Therefore, in this embodiment, the lock structure of the present invention only needs to be changed in the left-right direction of the grip 50 no matter whether it is applied to the left-handed door lock setting or the right-handed door lock setting.

Referring to fig. 11, fig. 11 is a schematic view (a) illustrating a shaft member and a linkage assembly according to some embodiments. In some embodiments, the grip 50 further comprises a linkage 53. The interlocking member 53 includes an interlocking portion 53a and a pressing portion 53 b. The interlocking portion 53a is provided in the sleeve portion 51, and one end of the interlocking portion 53a engages with the shaft center portion 22. In some embodiments, the shaft core 22 has a slot corresponding to the linking portion 53a for the corresponding engagement of one end of the linking portion 53 a. The pressing portion 53b is connected to the other end of the interlocking portion 53a and exposed from the sleeve portion 51, and in the use state, the interlocking portion 53a pivots the interlocking axial member 20. Further, in the use state, the handle 50 is linked with the linking portion 53a and the shaft center member 20 to pivot.

Referring to FIG. 12, FIG. 12 is a cross-sectional view of the latch mechanism of FIG. 11 at position B-B. In some embodiments, the pressing portion 53b is exposed outside the sleeve portion 51 without being affected by the external force. Here, the linking component further includes a spring 53c disposed in the linking portion 53a, one end of the spring 53c abuts against the inner wall of the sleeve portion 51, and the other end abuts against the pressing portion 53b to provide an elastic force to expose the pressing portion 53b from the sleeve portion 51, the pressing portion 53b is affected by an external force to compress the spring 53c, and the pressing portion 53b moves toward the sleeve portion 51.

Referring to fig. 13 and 14, fig. 13 is a schematic diagram (a) illustrating actuation of a barrel and linkage assembly according to some embodiments. FIG. 14 is a schematic diagram of the actuation of the barrel and linkage assembly according to some embodiments. The unlock state is that the interlocking member 53 is pressed and the grip 50 is depressed. In the unlocked state, the interlocking member 53 is moved in the direction of the base plate 11 by an external force, and further, the pressing portion 53b of the interlocking member 53 is pressed by the external force and trapped in the sleeve portion 51, so that the interlocking member 53 is moved in the direction of the base plate 11, and one end of the interlocking portion 53a is engaged with the shaft center portion 22 and the sleeve shaft 33. Furthermore, only when the pressing portion 53b is pressed, one end of the linking portion 53a can be simultaneously engaged with the core portion 22 and the engaging shaft 33, and therefore, when the grip 50 pivots, the linking core portion 22 and the engaging shaft 33 can be simultaneously moved, and the core 20 and the core 30 can be driven to pivot. When the pressing portion 53b is not pressed, only one end of the interlocking portion 53a is engaged with the shaft center portion 22, and therefore, when the grip 50 pivots, only the shaft center portion 22 is interlocked to pivot the shaft center member 20.

Referring to fig. 15, fig. 15 is a schematic diagram (a) illustrating rack actuation according to some embodiments. Referring to fig. 16, fig. 16 is a schematic diagram illustrating rack actuation according to some embodiments. When the handle 50 is depressed during unlocking of the door latch, the handle 50 pivots the interlocking axis member 20 and the lock cylinder member 30 counterclockwise at the same time, and the second gear portion 32 pivots along with the movement of the rack 42 and gradually engages with the rack 42 (shown in fig. 15).

In some embodiments, the first gear portion 21 further includes an upper surface 21a and a supporting block 21b located on the upper surface 21a, and the supporting block 21b is supported by the second gear portion 32 to link the lock core 30 to pivot. In some embodiments, the abutting block 21b is located on the periphery of the upper surface 21a and on the same side as the extending direction of the holding portion 52. Therefore, in the left-open embodiment, when the handle 50 is pressed and pivoted in the use state (pressing or lifting the handle 50), the shaft center 20 pivots counterclockwise, and only the shaft center 22 is linked to drive the shaft center 20 to pivot. When the grip 50 is lifted up, the shaft member 20 pivots clockwise, and the abutting block 21b abuts against the second gear unit 32, so that the interlocking lock member 30 pivots (shown in fig. 16).

In some embodiments, when the lock mechanism of the present invention is changed from left-opening to right-opening, the lock mechanism only needs to press the hook on the base 41 to separate the transmission assembly 40 from the upper cover 60, and then pivot the turn-key 30 by 180 degrees, so that the extending directions of the abutting block 21b and the holding portion 52 are located on the same side, and return to the transmission assembly 40, thereby completing the right-opening assembly.

Referring to fig. 3, the lock mechanism of the present invention further includes an upper cover 60 connected to the side plate 12 to cover the accommodating space 13. The upper cover 60 further includes a set opening 61, so that the base 41 of the transmission assembly 40 is detachably engaged with the set opening 61 to partially position the transmission assembly 40 in the accommodating space 13, for example, but not limited to, detachably engaging with a snap assembly. Therefore, the transmission assembly 40 can be quickly disassembled and assembled without complex screw locking and disassembling. In some embodiments, the base 41 is engaged with the setting opening 61, and the bottom surface of the base 41 and the upper cover 60 are approximately the same plane.

In addition, the upper cover 60 further includes a lock cylinder hole 62, and the lock cylinder portion 31 can be inserted into the lock cylinder hole 62 by the arrangement of the lock cylinder hole 62. In some embodiments, the lock core 31 is substantially flush with the top cover 60 when it is disposed through the lock core hole 62.

Referring to fig. 17, fig. 17 illustrates a schematic diagram of a transmission assembly according to some embodiments. In some embodiments, the transmission assembly 40 further includes a fixing element 43 and two restoring elements 44, wherein the restoring elements 44 are, for example, but not limited to, springs. The fixing member 43 is used for disposing the rack 42, wherein the base 41 further includes two columns 45, and the fixing member 43 is disposed on the columns 45. The two restoring members 44 are respectively sleeved at two ends of the fixing member 43 to provide an elastic restoring force to the rack 42. Further, the restoring members 44 respectively provide elastic restoring forces to the centers of the racks 42. Accordingly, the rack 42 further includes a supporting wall 42a (shown in fig. 15), and one end of each of the restoring elements 44 is supported by the pillar 45, and the other end is supported by the supporting wall 42a to provide an elastic restoring force to the rack 42.

In some embodiments, the transmission assembly 40 further includes a spring 46 disposed on the base 41, the rack 42 further includes a reset slot 42b, the spring 46 further includes a protrusion 46a, and the protrusion 46a is engaged with the reset slot 42b in a static state. Taking the left-open position as an example, when the handle 50 pivots counterclockwise (the handle 50 is pressed down) to move the first gear portion 21 with the driving rack 42 to the left, the elastic force of the elastic piece 46 causes the protrusion 46a to be disengaged from the engagement of the reset slot 42b, and the reset piece 44 is pressed. When the reset piece 44 provides an elastic reset force to the center of the rack 42 by its elastic force, the rack 42 moves to the right and returns to the stationary state when the protrusion 46a is engaged with the reset slot 42 b.

In some embodiments, the lock mechanism further includes a bearing 70 (shown in fig. 3) sleeved on the shaft member 20 and disposed on the bottom plate 11, so that the handle 50 and the shaft member 20 can pivot more smoothly during operation. In some embodiments, the bearing 70 is partially received on the hub 20 and partially received on the sleeve portion 51 and disposed on the bottom plate 11.

The lock mechanism provided by the embodiment of the invention is applied to left-opening door lock setting or right-opening door lock setting through the structural design of the shaft core piece and the lock core piece, and left-opening or right-opening setting can be completed only by replacing the left and right directions of the handle. When the spindle core is provided with the abutting block, the lock core is pivoted for 180 degrees, so that the abutting block and the extension direction of the holding part of the grip are positioned on the same side, and the assembly of the left-opening door lock or the right-opening door lock can be completed. Furthermore, the transmission assembly can be quickly disassembled and assembled without complex screw locking and disassembling. Therefore, the lockset mechanism of the embodiment of the invention solves the problems that the existing cat eye prevention structure can not be installed quickly by a user and is easy to be installed incorrectly.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A lock mechanism, comprising:

a base, comprising:

a bottom plate including a setting hole; and

a side plate surrounding the periphery of the bottom plate and forming an accommodating space with the bottom plate;

a shaft center part arranged on the bottom plate, wherein the shaft center part comprises a first gear part, a shaft center part and a sleeve hole for communicating the first gear part and the shaft center part, which are sequentially connected, the first gear part is positioned in the accommodating space, and the shaft center part penetrates through the arrangement hole and is exposed out of the bottom plate;

a lock core part, which comprises a lock core part, a second gear part and a sleeve shaft which are connected in sequence, wherein the sleeve shaft penetrates through the sleeve hole to enable the second gear part to be sleeved on the first gear part;

a transmission assembly, which comprises a base and a rack positioned on the base, wherein the rack is correspondingly meshed with the first gear part; and

a handle, including a sleeve part and a holding part which are connected in sequence, the sleeve part is sleeved on the axle center part to make the handle exposed out of the bottom plate, and under a using state, the handle uses the sleeve part as a center to pivot clockwise or anticlockwise to drive the axle center part to pivot, so that the first gear part drives the rack to move in a linked manner;

the rack is reset and moved and drives the shaft center piece and the sleeve part to pivot, so that the handle returns to an initial state.

2. The lock mechanism as claimed in claim 1, wherein the handle further comprises a linkage assembly comprising:

a linkage part arranged in the sleeve part, wherein one end of the linkage part is clamped with the shaft center part; and

and the pressing part is connected with the other end of the linkage part and is exposed out of the sleeve part, and the handle is linked with the linkage part and the shaft center piece to pivot in the use state.

3. The locking mechanism as claimed in claim 2, wherein the linkage assembly further comprises a spring disposed in the linkage portion, one end of the spring abuts against the sleeve portion, and the other end abuts against the pressing portion to provide an elastic force to expose the pressing portion from the sleeve portion.

4. The lock mechanism as claimed in claim 3, wherein in an unlocked state, the pressing portion is trapped in the sleeve portion, so that the linking member moves toward the base plate, and one end of the linking portion is engaged with the shaft core portion and the engaging shaft.

5. The lock mechanism as claimed in claim 4, wherein in the unlocked state, the handle is coupled to the hub and the turn-key, and the second gear portion is pivotally engaged with the rack as the rack moves.

6. The lock mechanism as claimed in claim 1, wherein the first gear further comprises an upper surface and a supporting block disposed on the upper surface, the supporting block supporting against the second gear to link the lock core member to pivot.

7. The latch mechanism according to claim 6, wherein the retaining block is located at a periphery of the upper surface and at a same side as an extending direction of the grip portion.

8. The lock mechanism as claimed in claim 1, further comprising an upper cover connected to the side plate to cover the receiving space.

9. The lock mechanism as claimed in claim 8, wherein the top cover further includes a mounting opening, and the base is detachably engaged with the mounting opening to partially position the transmission assembly in the receiving space.

10. The locking mechanism as claimed in claim 8, wherein the top cover further includes a key hole, the key passing through the key hole.

11. The lock mechanism as claimed in claim 8, wherein the transmission assembly further comprises:

the base further comprises two upright posts, and the fixing piece is arranged on the upright posts; and

two reset pieces are respectively sleeved at two ends of the fixed piece and used for providing elastic reset force for the rack.

12. The lock mechanism as claimed in claim 11, wherein the transmission member further comprises a resilient piece disposed on the base, the rack further comprises a reset slot, and the resilient piece further comprises a protrusion engaged with the reset slot in the rest state.

13. The latch mechanism according to claim 11, wherein the rack further comprises a retaining wall, one end of each of the reset members being retained against the post and the other end being retained against the retaining wall.

14. The lock mechanism as claimed in claim 1, further comprising a bearing sleeved on the hub and disposed on the base plate.