TWI557304B - Padlock - Google Patents

Description

padlock

The invention relates to a padlock; in particular to a padlock having a movable carrier capable of simultaneously connecting a lock bolt and a lock core and reciprocating in the lock case.

Generally, the traditional padlocks are mostly formed by integrally connecting the lock core and the outer casing, and then the lock core controls the separate movement of the lock bolt. Therefore, as long as the lock bolt is released from the lock shell when the lock is unlocked, the user must realign the lock bolt position to The lock bolt is accurately engaged with the lock case. Although the Taiwan Patent Publication No. 568157 discloses a separate padlock (as shown in FIG. 10), the design of the lock body 91 completely separated from the closed body 92 is still in There is also a problem in that it must be aligned with the position of the bolt when in use. In addition, in the locked state, there is a seam (located in the lower half) between the lock body 91 and the closing body 92, which is easily broken by human factors (for example, the tool is inserted into the seam to strongly pull both), and Lose its value.

In view of the problems of the prior art, the present invention utilizes a movable carrier to combine a lock core and a lock bolt, so that the lock core and the lock bolt can reciprocate in the same direction at the same time in the lock case, and a special structure is designed to make the lock core The locking bolt is not completely separated from the locking shell, and the user of the padlock can conveniently take out the key when the locking bolt is opened, and the user can easily lock the padlock without the need to realign the locking bolt. Therefore, the object of the present invention is to provide a padlock. By special design of the device structure, the user can easily perform the action of opening and closing the lock, and can remove the key in an unlocked state according to the individual's will, and does not need to adjust the lock pair. The position can be pushed by the lock body to achieve the effect of blocking, which effectively improves the convenience of use and meets the practical value of the industry.

To achieve the foregoing objective, the present invention provides a padlock comprising: a lock case having a side, an inlet and outlet on the side, a chamber located inside and communicating with the inlet and outlet, and a notch located outside; a movable carrier located in the housing of the lock case and movable into and out of the chamber; a latch connected to the movable carrier at one end and movable in the same direction as the movable carrier to a closed one a closed position and an open position for opening the missing slot; and a lock mechanism disposed on the movable carrier to be able to enter and exit the chamber along with the movable carrier, wherein the lock mechanism can be operated into a latching state or an unlocking state, and locking the movable carrier in the latching state to prohibit the movable carrier from moving, that is, the latch is in the closed position, and releasing the active carrier in the unlocked state to allow the The movable carrier moves outside the lock housing, ie the lock bolt is in the closed position.

According to the above concept, the padlock further includes: an elastic device located in the chamber, and configured to be pressed to accumulate elastic force and to absorb the accumulated elastic force when the movable carrier moves in the direction of the chamber Drive the active carrier to move in the opposite direction.

According to the above concept, the lock case has a stop for blocking the movable carrier to prevent the movable carrier from coming off the inlet and outlet.

According to the above concept, the blocking portion is a metal frame that internally forms a hollow frame, the metal frame is fixed on the side of the locking case, and the hollow frame port is in communication with the inlet and outlet.

According to the above concept, the lock case has a brake groove, the movable carrier has a receiving groove, a notch of the receiving groove is opposite to the braking groove, and the locking mechanism comprises: a braking member located at the movable carrier Removing in a pocket and between an open position and an open position, when the brake is in the lock position, one end of the brake protrudes from the slot of the slot and engages the brake of the lock case In the slot, the end of the brake member is retracted into the slot of the slot when the brake member is in the open position; an elastic member is located in the slot and is located when the brake member is in the lock position Holding the brake member to keep the end portion engaged in the brake groove, and compressing the brake member to store the elastic force when the brake member is located at the open position; and a lock core disposed in the movable carrier To drive the movement of the brake.

According to the above concept, the movable carrier has a sliding groove on the outer side thereof, and the cavity of the locking casing has a convex portion corresponding to the sliding groove, so that the movable carrier can move along the convex portion.

According to the above concept, wherein the outer side of the movable carrier forms a plurality of chutes, The housing of the lock housing has a plurality of convex portions correspondingly slidingly disposed in the sliding slots, each convex portion of the locking shell extending inwardly from the inlet and the outlet, and each convex portion is located at the inlet and outlet Each of the end faces has a fixing hole, and the blocking portion is a metal frame which forms a hollow frame port therein, and the metal frame has a plurality of fixing posts respectively corresponding to the fixing holes which are tightly inserted into the convex portions, so that the metal frame The side of the lock case is fixed to the side of the lock case, and the hollow frame of the metal frame communicates with the inlet and outlet of the lock case.

According to the above concept, the metal frame further has a plurality of retaining edges, and the movable carrier is respectively formed with a retaining wall relative to the retaining edges, and when the movable carrier is moved to position the latch in the open position, The retaining walls are blocked by the retaining edges on the metal frame.

According to the above concept, the padlock further includes a fixing bolt, the locking core has a limiting slot, and the movable carrier has a through hole, and the fixing bolt is threaded through the through hole and received in the limiting slot for The lock is prevented from coming off the active carrier.

Therefore, compared with the prior art, the present invention is a padlock that can facilitate the user to quickly open and close the lock, without the alignment of the precise lock bolt, and allows the user of the padlock to conveniently take out the key when the lock bolt is opened, thereby achieving Easy to use.

The above described features and advantages of the invention will be apparent from the following description.

1‧‧‧Lock shell

11‧‧‧Import

12‧‧ ‧ room

13‧‧‧ Missing slot

14‧‧‧through hole

15‧‧‧ Groove

16‧‧‧ convex

17‧‧‧Forcing holes

18‧‧‧ brake groove

19‧‧‧ bottom cover

2‧‧‧Flexible device

3‧‧‧ Activity carrier

30~33‧‧‧blocks

311‧‧‧through hole

312‧‧‧ fixing bolts

313‧‧‧Bolt head

314‧‧‧ 塞子

315‧‧‧through hole

340‧‧‧Long slot

340a‧‧‧口口

341‧‧‧Lock slot

341a‧‧‧Inside orifice

35‧‧‧Chute

4‧‧‧Lock

40‧‧‧The other end

5‧‧‧Lock mechanism

50‧‧‧Brakes

500‧‧‧ key

501‧‧‧ bottom

502‧‧‧Top

503‧‧‧Small missing slot

51‧‧‧Flexible components

52‧‧‧Lock

52a‧‧‧ keyhole

520‧‧‧Drive block

521‧‧‧Restricted slot

6‧‧ ‧ blocking

600‧‧‧ hollow frame

60~63‧‧‧ 缘缘

64‧‧‧Force bolt

91‧‧‧Lock body

92‧‧‧Closed body

1 and 2 are perspective exploded views of a preferred embodiment of the present invention.

Figure 3 is a perspective view of the preferred embodiment of the present invention in a latched state.

Figure 4 is a perspective view of the preferred embodiment of the present invention in an unlocked state.

Figure 5 is a partial cross-sectional view of the preferred embodiment of the present invention in a latched state.

Fig. 6 is a cross-sectional view taken along line A-A of Fig. 5.

Figure 7 is a partial cross-sectional view showing the preferred embodiment of the present invention in an unlocked state.

Figure 8 is a cross-sectional view taken along line A-A of Figure 7.

Figure 9 is a perspective view of the preferred embodiment of the present invention in an unlocked state (the lock core 52 has been reversed back to its original position).

Figure 10 is a cross-sectional view taken along line A-A of Figure 9.

Figure 11 is a partial cross-sectional view of the prior art in an unlocked state.

1 and 2 are perspective exploded views of a preferred embodiment of the padlock of the present invention, the padlock including a lock case 1, a movable carrier 3 located in the lock case 1, a latch 4 connected to the movable carrier 3, and A lock mechanism 5 on the movable carrier 3. Preferably, the padlock further includes a resilient means 2 located within the lock housing 1.

The lock case 1 has an inlet and outlet 11, a chamber 12, and a notch 13. The inlet and outlet 11 are located on a right side surface of the lock case 1, and the chamber 12 is located inside the lock case 1 and communicates with the inlet and outlet 11, and the groove 13 is omitted. Located on the top surface of the lock case 1. The notch 13 has two opposite side walls, and one of the side walls is formed with a through hole 14 communicating with the chamber 12. Preferably, the other side wall of the notch 13 is further formed with a groove 15 for the through hole. 14.

The movable carrier 3 is located in the chamber 12 of the lock case 1 and is movable relative to the lock case 1, that is, from the outside through the inlet and outlet 11 to completely enter the chamber 12 (as shown in Fig. 3), or from the chamber 12 The inner diameter inlet and outlet 11 is moved to partially protrude outside the chamber 12 (as shown in Fig. 4).

Referring to FIGS. 1 and 2 again, one end of the bolt 4 is connected and fixed to the movable carrier 3 and can move in the same direction as the movable carrier 3 to a closed position of the closed slot 13 (as shown in FIG. 3) and moved. To an open position where the missing slot 13 is open (as shown in Figure 4). In this embodiment, when the latch 4 is moved to the closed position following the movable carrier 3, the other end 40 of the latch 4 is moved into the recess 15 on the other side wall of the slot 13. In other words, when the latch 4 is in the closed position, the movable carrier 3 is completely immersed in the housing 12 of the lock case 1, and the other end 40 of the latch 4 is engaged in the recess of the side wall of the notch 13. Slot 15.

Referring to Figures 1 and 5 again, the lock mechanism 5 is mounted on the movable carrier 3 so as to be movable along with the movable carrier 3, and when the movable carrier 3 is completely immersed in the housing 12 of the lock case 1, The movable carrier 3 is locked to the lock case 1. The lock mechanism 5 is used for locking the movable carrier 3, and various existing lock mechanisms can be selected. In this embodiment, the lock mechanism 5 is a key lock mechanism, and the movable carrier 3 has a long slot 340 and A lock slot 341 is laterally disposed, and the lock slot 341 is in communication with the slot 340. The lock mechanism 5 preferably includes a brake member 50 and an elastic member 51 located in the elongated slot 340 of the movable carrier 3, and a lock core 52 located in the lock pocket 341 of the movable carrier 3. Wherein, the lock core 52 is substantially parallel to the lock bolt 4, as shown in the first figure.

The brake member 50 can be a metal strip having a bottom end 501 protruding from an opening 340a at the bottom of the elongated slot 340 and snapped into a brake groove 18 in the lock housing 1. Further, a side surface of the brake member 50 has a small missing groove 503. The small missing groove 503 is an inner opening 341a facing the lock core groove 341. In this embodiment, as shown in Fig. 1, the brake groove 18 includes a through hole formed in the lock case 1 and a bottom cover 19 which closes the bottom opening of the through hole. After the bottom cover 19 and the surface of the lock case 1 in the vicinity thereof are subjected to polishing treatment and/or other surface processing, and then the entire lock case 1 is subjected to plating treatment, the cover 19 is not seen from the appearance of the lock case 1.

Preferably, the resilient member 51 is a compression spring having one end that abuts against a top wall at the top of the elongated slot 340 and the other end that abuts a top end 502 of the brake member 50.

The rear end surface of the lock core 52 has a protruding block 520. The driving block 520 extends rearwardly into the small slot 503 of the brake member 50, and a side of the driving block 520 abuts against a wall of the small slot 503 (eg, Figure 6)). The lock core 52 can be selected from the existing lock core structure. As shown in FIG. 3, in this embodiment, the keyhole 52a is selected as an eccentric lock core structure, and a key 500 matching the lock core 52 can be inserted into the lock core. The key hole 52a of 52 rotates the lock core 52 to drive the driving block 520 to rotate, thereby interlocking the brake member 50 to move up and down, which will be described later.

Figures 5 and 6 show the padlock of the present invention in a locked state. At this time, the latch 4 closes the notch 13, the movable carrier 3 is completely retracted into the lock case 1 (as shown in Fig. 3), and the bottom of the brake member 50. The end 501 snaps into the brake groove 18 of the lock housing 1 so that the movable carrier 3 cannot move, and the lock bolt 4 therefore cannot move to stay in the closed position.

As shown in FIG. 4, after a user rotates the lock core 52 by 90 degrees using the key 500, as shown in FIGS. 7 and 8, the drive block 520 is rotated 90 degrees, and thus the dial brake 50 is moved upward. So that the bottom end 501 of the brake member 50 is completely disengaged from the brake groove 18 of the lock case 1 in a retracted state, thereby allowing the movable carrier 3 to move outward. Wherein, the upward movement of the brake member 50 compresses the elastic member 51 to accumulate the elastic force for subsequent resetting of the brake member 50.

Figure 7 shows that a large portion of the movable carrier 3 projects from the inside of the lock case 1, and the lock pin 4 moves to the open position with the movable carrier 3 and retracts into the through hole 14 of the notch 13, allowing the notch 13 In an open state, at this time, the padlock of the present invention is in an unlocked state. That is, when the latch 4 is in the open position, the movable carrier 3 is partially exposed outside the lock case 1, and the other end 40 of the lock bolt 4 is retracted into the side wall of the notch 13. Hole 14. Wherein the elastic device 2 is equipped It is configured to be able to accumulate elastic force when the movable carrier 3 moves in the direction of the inside of the chamber 12 (ie, moves inward), and can drive the movable carrier 3 to move in the opposite direction by the accumulated elastic force (ie, to the inlet and outlet 11) Directional movement (outward movement)), in particular, in this embodiment, the elastic means 2 is a compression spring located in the chamber 12 of the lock housing 1, the compression spring being located at the movable carrier 3 and the lock housing 1 Between the wall surfaces, and the two ends respectively abut against the movable carrier 3 and the wall surface. Therefore, when the padlock of the present invention is in the locked state shown in FIG. 5, the elastic device 2 is pressed against the movable carrier 3 to accumulate elastic force, and when After the brake member 50 is moved to move the bottom end 501 away from the brake groove 18 of the lock case 1, the movable carrier 3 is automatically moved by the elastic force accumulated by the elastic device 2 to bring the padlock of the present invention into the unlocked state. As shown in Figure 7.

Since the lock core 52 of the present invention is in the form of reversing the key after the key is selected, when the padlock of the present invention is in the unlocked state shown in FIG. 4, the user can reverse the key 500 so that the lock 52 is followed. Turning 90 degrees, then pulling away, as shown in Fig. 9, at this time, since the width of the small missing groove 503 is larger than the driving block 520 to provide sufficient turning space, the driving block 520 can be reversed and returned to the original state, but at this time The brake member 50 is still in the retracted state as shown in Fig. 10.

Then, as long as the user manually pushes the movable carrier 3 shown in FIG. 9 into the lock case 1 by itself, the bottom end 501 of the brake member 50 is again facing the brake groove 18 of the lock case 1 and At this time, the elastic force accumulated by the elastic member 51 moves downward and re-engages into the brake groove 18. At this time, the lock bolt 4 also moves back to the closed position along with the movable carrier 3, so the padlock of the present invention is again restored to this time. The locked state shown in Figures 5 and 6.

Compared with the prior art, the padlock of the present invention can be designed to enter and exit the lock case 1 by the movable carrier 3, and the lock pin 4 and the lock mechanism 5 are both disposed on the movable carrier 3 so as to be movable in the same direction as the movable carrier 3, so that When the padlock of the present invention is in the locked state shown in Figures 5 and 6, there is no seam like the conventional split padlock which can be used to perform the breaking action, and when the padlock of the present invention is carried out from the seventh and eighth figures In the process of returning the unlocked state to the locked state, there is no need to perform the alignment action of the latch as in the conventional split padlock. Therefore, the padlock of the present invention has the advantages of being difficult to be broken and convenient for opening and closing the lock, thereby solving the problem that the conventional split padlock has been in existence for a long time.

Preferably, as shown in Figures 1 and 2, the padlock of the present invention further includes a blocking portion 6 fixed to the lock housing 1, the blocking portion 6 is for resisting the movable carrier 3, and is positioned to block the movable carrier 3. Completely out of position of the chamber 12. In this embodiment, the blocking portion 6 is fixed to the inlet and outlet 11 and Forming a metal frame of a hollow frame opening 600, the metal frame has a plurality of retaining edges 60-63 at the periphery thereof, and has a hollow frame port 600 communicating with the inlet and outlet 11 and sufficient for the movable carrier 3 to pass through, and further The movable carrier 3 has a plurality of stops 30-33 for correspondingly resisting the retaining edges 60-63, wherein when the movable carrier 3 is moved to position the latch 4 in the open position, as shown in FIG. It is shown that the stops 30-33 are respectively blocked by the retaining edges 60-63, so as to avoid the purpose that the movable carrier 3 is completely separated from the chamber 12.

Furthermore, in the above embodiment, as shown in Figs. 1 and 2, the inner wall of the chamber 12 is formed with a plurality of elongated projections 16, each of which extends inwardly from the inlet and outlet 11 A distance. Preferably, the outer side of the movable carrier 3 has a plurality of sliding grooves 35 for the convex portions 16 to be slid therein, so that the movable carrier 3 can be moved along the convex portions 16 by the sliding grooves 35. The number of the convex portions 16 of the present embodiment is four in total formed on the left and right inner walls of the chamber 12, wherein the two convex portions 16 are located on the left inner wall, and the other two convex portions 16 are located on the right inner wall and are respectively opposite to each other. The two convex portions 16 are. However, the actual number of the convex portions 16 may be increased or decreased depending on the number of the sliding grooves 32, and is not limited to the drawings. Each of the protrusions 16 further has a pressing hole 17 therein, and the blocking portion 6 further has a plurality of pressing bolts 64 for respectively inserting the pressing holes 17 tightly, so that the blocking portion 6 is fixed at the inlet and outlet 11 At the office.

In addition, the padlock of the present invention further includes a fixing bolt 312. The locking core 52 has a limiting slot 521. A through hole 311 is formed in an outer side of the movable carrier 3 for a fixing bolt 312 to be inserted. The fixing bolt 312 is threaded through. The through hole 311 and the bolt head 313 are received in the restricting groove 521, so that not only the lock core can be prevented from coming off the movable carrier 3, but also the rotation angle of the lock core 52 can be restricted together with the restricting groove 521. When the lock core 52 is to be replaced, the padlock of the present invention is opened by the key 500, so that the movable carrier 3 is ejected from the lock case 1. At this time, the through hole 311 of the movable carrier 3 and the through hole 315 of the lock case 1 can overlap, as long as The plug 314 is removed and the fixing bolt 312 is removed, so that the bolt head 313 of the fixing bolt 312 is disengaged from the restricting groove 521, and the lock core 52 can be detached from the movable carrier 3. After the new lock core is loaded into the movable carrier 3, the fixing bolt 312 is screwed into the through hole 311, the bolt head 313 is inserted into the restriction groove of the new lock core, and the plug 314 is closed to complete the replacement of the new lock core. .

The above-described embodiments are merely illustrative of the principles of the preferred embodiments of the invention and their advantages, and are not intended to limit the invention. Therefore, those skilled in the art can make modifications and changes to the embodiments described above without departing from the spirit and scope of the invention.

1‧‧‧Lock shell

11‧‧‧Import

12‧‧ ‧ room

13‧‧‧ Missing slot

15‧‧‧ Groove

16‧‧‧ convex

17‧‧‧Forcing holes

18‧‧‧ brake groove

19‧‧‧ bottom cover

2‧‧‧Flexible device

3‧‧‧ Activity carrier

30~33‧‧‧blocks

340‧‧‧Long slot

341‧‧‧Lock slot

35‧‧‧Chute

4‧‧‧Lock

40‧‧‧The other end

5‧‧‧Lock mechanism

50‧‧‧Brakes

52‧‧‧Lock

6‧‧ ‧ blocking

600‧‧‧ hollow frame

60~63‧‧‧ 缘缘

64‧‧‧Force bolt

Claims (8)

A padlock comprising: a lock case having a top surface and a right side surface perpendicular to each other, an inlet and outlet on the right side surface, a chamber located inside and communicating with the inlet and outlet, and a chamber located on the top surface The slot has two opposite side walls, one of the side walls is formed with a through hole communicating with the chamber, and the other side wall is formed with a recess for the through hole; a movable carrier is located at the lock case a chamber movable relative to the lock housing to completely immerse into the chamber or at least partially protrude from the chamber; a latch coupled to the movable carrier at one end and movable in the same direction as the movable carrier Closing a closed position of the cutout and moving to an open position for opening the cutout, wherein when the latch is in the open position, the movable carrier is at least partially exposed outside the lock housing, and the lock The other end of the bolt is retracted into the through hole of the side wall of the slot; and when the bolt is in the closed position, the movable carrier is completely immersed in the chamber of the lock case, and the other end of the lock is tied a groove into the other side wall of the slot; and a lock Arranging on the movable carrier to be movable along with the movable carrier, and locking the movable carrier to the lock case when the movable carrier is completely immersed in the lock case, wherein the lock mechanism includes a a lock core that is parallel to the lock bolt. The padlock according to claim 1, further comprising: an elastic device located in the chamber, and configured to be pressed to accumulate elastic force when the movable carrier moves in the direction of the chamber, and can borrow The accumulated spring force drives the moving carrier to move in the opposite direction. The padlock according to claim 1, comprising a blocking portion fixed on the locking case, the blocking portion is configured to resist the movable carrier, and is located to prevent the movable carrier from completely separating from the living room. position. The padlock according to claim 3, wherein the block is a metal frame fixed in the inlet and outlet of the lock case, the periphery of the metal frame has a plurality of retaining edges, and the middle has a hollow frame opening for communicating with the movable carrier; the movable carrier has a plurality of stops for correspondingly resisting the retaining edges, wherein when the movable carrier is moved to the latch to be in the open position When the stops are blocked by the retaining edges, respectively. The padlock according to claim 1, wherein the lock case has a brake groove, the movable carrier has a receiving groove, and a notch of the receiving groove is opposite to the braking groove, and the locking mechanism comprises: a braking member, Located in the pocket of the movable carrier and reciprocally movable between a locked position and an open position, when the braking member is in the locking position, one end of the braking member protrudes from the notch of the receiving slot and is engaged In the braking groove of the lock case, the end portion of the braking member is retracted into the notch of the receiving groove when the braking member is in the open position; an elastic member is located in the receiving groove, and the braking member is a state in which the end portion is held in the brake groove against the brake member when the lock position is located, and an elastic force is accumulated by the brake member when the brake member is located at the open position; and the lock core is disposed at The movable carrier is used to drive the movement of the brake member. The padlock according to claim 1, wherein the movable carrier has a sliding groove on the outer side thereof, and the housing of the locking casing has a convex portion corresponding to the sliding slot, so that the movable carrier can be along The convex portion moves. The padlock of the first aspect of the invention, wherein the outer side of the movable carrier forms a plurality of sliding slots, and the plurality of convex portions of the locking housing are respectively correspondingly slidably disposed in the sliding slots. Each convex portion of the locking shell extends inwardly from the inlet and the outlet, and each of the convex portions has an fixing hole at an end surface of the inlet and the outlet, and the blocking portion is a metal frame which forms a hollow frame opening therein, the metal The frame has a plurality of fixing posts respectively corresponding to the fixing holes that are tightly inserted into the protrusions, so that the metal frame is fixed to the side of the locking case, and the hollow frame of the metal frame and the casing of the locking case Exports are connected. The padlock of claim 1, further comprising a fixing bolt, the locking core having a limiting slot, the movable carrier having a through hole, the fixing bolt threading through the through hole and being received in the limiting slot Inside, to prevent the lock from being detached from the active carrier.