TWM446806U - Combination lock - Google Patents

Description

Pair lock lock

The present invention is a pair of lock locks with a rotating member, especially in the case where the check lock mechanism is set to a non-positive code, the rotary member that is in the unlocked position is still allowed to rotate to the locked position, and is reached. Locked again after being locked.

Locks used in known storage compartments or cabinets include various locks such as check locks, key locks, and padlocks. For the storage compartment or cabinet with the check lock, the general use mode is to set the check lock to the correct preset password, then unlock the door and open the door panel for storage or picking; After moving and re-closing the door panel, the door lock can be locked and cannot be opened as long as the check lock is set to an incorrect password.

However, during the time when the door panel is opened until the door panel is closed and the check lock is set, the correct password for the check lock may be known by others, so there is still a stolen suitcase or cabinet. risk.

In view of this, the main purpose of this creation is to propose a lock lock that can prevent others from peeking and stealing passwords.

Based on the above object, the present invention proposes a pair lock lock comprising: a lock body; a rotating member disposed on the lock body and movable to an unlock by dialing And a locking position, the rotating member has an annular surface, and a circularly extending cam is disposed on the annular surface, the cam has a cam circular surface, a cam upper plane and a cam lower plane, the cam One end is provided with a first smooth transition surface for smoothly connecting the cam circular surface to the annular surface, and the other end of the cam is provided with a vertical line for generating a truncated angle between the cam circular surface and the annular surface. a joint edge, and further, the cam is provided with a second smooth transition surface connecting the upper plane of the cam and the lower plane of the cam at the end provided with the vertical joint edge; and a pair of lock mechanism disposed on the lock body And being operable to change into an unlocked state and a latched state, the pair lock mechanism having one movable shaft that is axially movable, and a movable bolt pivoted at one end of the movable shaft; wherein, when When the rotating member is in the locked position, the movable locking tongue abuts on the first smooth transition surface, and when the pair locking mechanism is changed to the locked state, the rotating member is also restricted to rotate; the pair lock mechanism is changed After the unlocking state, the movable shaft is allowed to axially displace with the movable locking tongue, so that the rotating member can be moved to the unlocking position, and the movable locking tongue is moved from the first smooth transition surface to the first smooth transition surface. a cam surface of the cam, and overlying the vertical engaging edge, abutting against the annular surface of the rotating member, and at this time, even if the pair lock mechanism is again changed into a locked state to lock the movable shaft, the rotating member is still It is allowed to be swung back to the locked position, pivoted by the movable bolt through the second smooth transition surface and returned to the first smooth transition surface via the cam upper plane.

It can be seen that the pair lock lock of the present invention is a type when the rotary member is moved to the unlock position, even if the check lock mechanism is set to be non-positive. In the case of a password, the rotating member can still be turned back to the locked position and then locked again. That is to say, when the pair lock lock of the present invention is applied to the glove box or the cabinet, when the unlocking is completed and the door panel is opened, the check lock can be immediately set to an incorrect password, and the item to be completed is to be completed. After the action is then re-closed, the door panel is locked.

Wherein, the rotating member is combined with a knob exposed outside the lock body.

Wherein, the surface of the lock body is provided with an unlocking symbol and a latching symbol, and an indication symbol is arranged on the knob.

Wherein, the rotating member is combined with a lock.

Wherein, the first smooth transition surface is a curved surface or a sloped surface.

Wherein, the second smooth transition surface is a curved surface or a sloped surface.

Wherein, the end edge of the movable shaft has a pivoting seat for pivotally connecting the movable locking tongue.

Wherein, the movable locking tongue is provided with a return spring.

Wherein, the pair lock mechanism further comprises: a plurality of pair of wheel sets for pivoting and threading on the movable shaft; and an ejector spring for pushing the movable shaft.

Wherein, the pair lock lock is coupled to a handle base.

In order to be able to more clearly describe the check locks proposed in the present application, a detailed description will be provided below for the embodiments of the present creation with the accompanying drawings.

First, please refer to FIG. 1 , FIG. 2 and FIG. 3 at the same time. FIG. 1 and FIG. 2 are a perspective view and a front view showing an embodiment of the pair lock lock of the present invention, and FIG. 3 shows a lock portion of the original lock lock. After that, a perspective view of the internal structure is shown; as shown in the figure, the pair lock lock of the present invention mainly includes: a lock body 10 formed by combining an upper lock case 11 and a lower lock case 12, and is disposed on the lock body 10 And the rotating member 20 can be moved to an unlocking position and a blocking position by the dialing, and the lock mechanism is disposed on the lock body 10 and can be changed by an operation to be in an unlocked state and a locked state. 30.

The rotating member 20 is combined with a knob 21 exposed outside the lock body 10, and can further be combined with a lock 22; thereby, the rotating member 20 can be latched from the lock via the dial knob 21 The position (as shown in Figures 1 and 2) is moved to an unlocked position (as shown in Figures 4 and 5). In order to enable the user to determine the position of the rotating member 20 from the lock body 10, an unlocking symbol 13 and a blocking symbol 14 may be further disposed on the surface of the lock body 10 to respectively correspond to the unlocking position and the locking position, and on the knob 21 An indicator 211 is provided, which may be a triangular arrow as shown in the figure, or may be various shape symbols such as dots, color patches of various colors, or various characters.

Referring to FIG. 3, FIG. 6A and FIG. 6B, the rotating member 20 has an annular surface 23, and a circular cam 24 is disposed on the annular surface 23, and the cam 24 has a cam circular surface 241 and a a cam upper plane 242 and a cam lower plane 243, one end of the cam 24 is provided with a first smooth transition surface 244 for smoothly connecting the cam circular surface 241 to the annular surface 23, and the other end of the cam 24 is provided a vertical engaging edge 245 having a truncated angle between the cam circular surface 241 and the annular surface 23, and further, the cam A second smooth transition surface 246 is provided at the end provided with the vertical engagement edge 245 to connect the cam upper plane 242 to the cam lower plane 244. Wherein, the first smooth transition surface 244 and the second smooth transition surface 246 may be curved surfaces or inclined surfaces.

Referring to FIG. 3, FIG. 7A and FIG. 7B, the pair lock mechanism 30 can be changed into an unlocked state and a locked state by manipulation. The pair lock mechanism 30 has an axially movable position and an end edge. a movable shaft 31 having a pivoting seat 311, and a movable locking bolt 32 pivotally mounted on the pivoting seat 311, and a return spring 33 is disposed in the movable locking tongue 32; in addition, the pair locking mechanism The 30 further includes a plurality of pair of wheel sets 34 for pivoting and threading over the movable shaft 31, and an ejector spring 35 for pushing the movable shaft 31.

The aforementioned "unlocking state" refers to a state in which the movable shaft 31 is allowed to move axially and the urging spring 35 is compressed when all of the pair of dials 34 are dialed to the preset or set correct password; The "locked state" is a state in which the movable shaft 31 is axially moved when the pair of the wheel set 34 is not dialed to the preset or set correct password; for example, the four pairs of wheels shown in the figure When the correct password of the group 34 preset or setting is 0-0-0-0, if one of the pair of wheel sets 34 is not turned to the position of "0", the movable shaft 31 will be locked and the axis cannot be locked. It is moved to.

8A and 8B show the movable shaft 31 and the movable bolt 32 which are pivotally coupled to each other. As shown, the pivoting seat 311 provided at one end of the movable shaft 31 has a pivot 312 and the movable locking tongue. 32 is correspondingly provided with a pivot hole 321 for receiving the sleeve on the pivot shaft 312. In order to prevent mutual detachment, the movable bolt 32 and the pivot joint 311 are pivotally combined with each other, and further pivoted. The end of the 312 incorporates a buckle 36 that limits the axial movement of the movable latch 32 out of the pivot 312.

As shown in FIG. 7B, as described above, a return spring 33 is disposed in the movable latch 32. The return spring 33 is sleeved on the pivot 312 and has a first end that is inserted into the pivoting seat 311. And a second end portion 332 that abuts against the movable latch 32; in an unstressed state, the movable latch 32 is held in the first position as shown in FIG. 8A by the elastic action of the return spring 33. And it can be rotationally moved to the second position as shown in FIG. 8B by being forced to move.

Referring to FIG. 9A to FIG. 9D in sequence, the figure shows a schematic view of the continuous action of moving the rotating member from the locked position to the unlocked position; as shown in FIG. 9A, when the rotating member 20 is in the locked position, the movable locking tongue 32 is abutted. The top member is on the first smooth transition surface 244, and when the pair lock mechanism 30 is changed to the locked state, the rotary member 20 is also restricted from rotating. After the pair lock mechanism 30 is changed to the unlocked state, the movable shaft 31 is allowed to be axially displaced together with the movable bolt 32, so that the rotating member 20 can be moved to the unlocked position, so that The movable bolt 32 moves from the first smooth transition surface 244 to the cam circular surface 241 (as shown in FIGS. 9B and 9C), and after passing the vertical joint edge 245, by pushing the spring The ejector action of 35 causes the movable bolt 32 to return to abutment at the position of the annular surface 23 of the rotary member 20 (as shown in Fig. 9D).

Referring to FIG. 10A to FIG. 10C in sequence, the figure shows a continuous action exploded view of the rotating member 20 moving from the unlocked position to the locked position; when the rotating member 20 is moved to the unlocked position as shown in FIG. 9D, At this time, even if the pair lock mechanism 30 is again changed into a locked state and the movable shaft The lever 31 is locked, and the rotary member 20 is still allowed to be swung back to the locked position; as shown in Fig. 10A, since the second smooth transition surface 246 of the cam 24 can be pressed at this time, the original remains The movable latch 32 in the first position is pivotally moved to the second position, smoothly abutting through the second smooth transition surface 246 (as shown in FIG. 10B), and is moved along the cam upper plane 242 to reach the cam 24 One end (as shown in FIG. 10C), and after passing the end edge, will return to the position of the first smooth transition surface 244 (ie, the position shown in FIG. 9A) by the elastic action of the return spring 33. Then it is locked again.

According to the above description, the paired lock lock of the present invention is a kind of rotating member 20 even when the rotary lock member 20 is moved to the unlocked position, even if the check lock mechanism 30 is set to an incorrect password. You can dial back to the locked position and then be locked again. In other words, when the pair lock lock of the present invention is applied to a storage box or a cabinet, when the unlocking is completed and the door panel is opened, the check lock can be immediately set to an incorrect password, and the action of picking and dropping the item is completed. After the door panel is closed again, the door panel is locked, thereby effectively reducing the probability that the correct password of the lock lock is peeped by others.

11 and 12 are a perspective view and a front view showing the binding of the present invention to a handle base 40 which can be mounted on a compartment door panel or a cabinet door panel and which is edited by the present invention. The lock lock provides the function of locking the door panel. As shown, the handle base 40 can have a handle recess 41 or a pull tab to open the door panel.

The above is only the preferred embodiment of the present invention, and when it is not possible to limit the scope of the implementation of this creation, And the simple equivalent changes and modifications made in the content of the creation instructions are still covered by this creation patent.

10‧‧‧Lock body

11‧‧‧Locking shell

12‧‧‧Unlocking case

13‧‧‧Unlocking symbol

14‧‧‧Locking symbol

20‧‧‧Rotating parts

21‧‧‧ knob

211‧‧‧indicator

22‧‧‧Lock

23‧‧‧ring surface

24‧‧‧ cam

241‧‧‧ cam surface

242‧‧‧Cam upper plane

243‧‧‧Cam lower plane

244‧‧‧First smooth transition surface

245‧‧‧Vertical joint edge

246‧‧‧Second smooth transition surface

30‧‧‧check lock mechanism

31‧‧‧Activity shaft

311‧‧‧ pivoting seat

312‧‧‧ pivot

32‧‧‧Activity lock tongue

321‧‧‧ pivot hole

33‧‧‧Return spring

331‧‧‧ first end

332‧‧‧ second end

34‧‧‧Alignment Wheelset

35‧‧‧Pushing spring

36‧‧‧ buckle

40‧‧‧Hands

41‧‧‧Handle pocket

Figure 1 is a perspective view of the lock lock of the present invention; Figure 2 is a front view of the lock lock shown in Figure 1; Figure 3 is the lock of the lock lock after the lock lock is removed. Fig. 4 is a perspective view of another use state of the pair of lock locks; Fig. 5 is a front view of the lock lock shown in Fig. 3; Fig. 6A and Fig. 6B respectively show the lock of the creation lock FIG. 7A and FIG. 7B respectively show a perspective view and a front view of the pair lock mechanism of the pair lock lock; FIG. 8A and FIG. 8B show the pair lock lock of the present invention. The movable shaft and the movable locking tongue respectively show a schematic diagram of the movable locking tongue pivoting to different positions; FIG. 9A to FIG. 9D show that after the locking lock is omitted, the rotating member is moved from the locked position to the locked position. Schematic diagram of the continuous action of the unlocking position; FIG. 10A to FIG. 10C are schematic diagrams showing the continuous action of the rotary member moving from the unlocked position to the locked position after the lock lock is omitted; Figure 11 is a perspective view of the pair of lock locks incorporated in a handle base; and Figure 12 is a front view of the lock lock shown in Figure 11 coupled to a handle base.

11‧‧‧Locking shell

20‧‧‧Rotating parts

21‧‧‧ knob

22‧‧‧Lock

23‧‧‧ring surface

24‧‧‧ cam

241‧‧‧ cam surface

242‧‧‧Cam upper plane

243‧‧‧Cam lower plane

244‧‧‧First smooth transition surface

245‧‧‧Vertical joint edge

30‧‧‧check lock mechanism

31‧‧‧Activity shaft

311‧‧‧ pivoting seat

32‧‧‧Activity lock tongue

34‧‧‧Alignment Wheelset

35‧‧‧Pushing spring

Claims (10)

A pair of lock locks includes: a lock body; a rotating member disposed on the lock body and movable to an unlocked position and a latched position via a dial, the rotary member having an annular surface, and a circularly extending cam is disposed on the annular surface, the cam has a cam circular surface, a cam upper plane and a cam lower plane, and one end of the cam is provided with a plane connecting the cam circular surface to the annular surface a first smooth transition surface, and the other end of the cam is provided with a vertical joint edge for creating a truncated angle between the cam circular surface and the annular surface, and further, the cam is at the end provided with the vertical joint edge a second smooth transition surface connecting the upper plane of the cam and the lower plane of the cam; and a pair of lock mechanism disposed on the lock body and operable to change into an unlocked state and a locked state, the pair The lock mechanism has a movable shaft that is axially movable, and a movable bolt pivoted at one end of the movable shaft; wherein the movable bolt abuts at the first when the rotating member is in the locked position Smooth transition And when the pair lock mechanism is changed to be in a locked state, the rotating member is also restricted from rotating; the movable shaft is allowed to axially displace the movable tongue after the pair lock mechanism is changed into an unlocked state. The rotating member can be moved to the unlocking position, the movable locking tongue is moved from the first smooth transition surface to the cam circular surface, and the rotation is repeated after the vertical engaging edge On the annular surface of the piece, at this time, even if the pair lock mechanism is again changed to the locked state to lock the movable shaft, the rotating member is still allowed to be turned back to the locked position, by the movable lock tongue In turn, it passes through the second smooth transition surface and returns to the first smooth transition surface via the cam upper plane. The pair of lock locks of claim 1, wherein the rotary member incorporates a knob that is exposed to the outside of the lock. The pair of lock locks of claim 2, wherein the lock body surface is provided with an unlocking symbol and a latching symbol, and an indicator is provided on the knob. The pair of lock locks of claim 1, wherein the rotary member is coupled to a lock. The pair of lock locks of claim 1, wherein the first smooth transition surface is a curved surface or a sloped surface. The pair of lock locks of claim 1, wherein the second smooth transition surface is a curved surface or a sloped surface. The pair of lock locks of claim 1, wherein the end edge of the movable shaft has a pivoting seat for pivoting the movable bolt. The paired lock lock according to claim 1 or 7, wherein a reset spring is disposed in the movable lock tongue. The pair lock device according to claim 1 or 7, wherein the pair lock mechanism further comprises: a plurality of pair of wheel sets that can be rotated and threaded on the movable shaft; Push one of the movable shafts to push the top spring. The paired lock lock of claim 1, wherein the check lock is coupled to a handle base.