JP2008196139A - Compound lock assembly - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a compound lock assembly enabling the user to re-find an unlocking number when the user misses or forget the unlocking number and re-set it to a different unlocking number. <P>SOLUTION: This compound lock assembly comprises a housing 30, a dial part 10, a key part 20, and a number detection means 33. The dial part 10, the key part 20, and the number detection means 33 are disposed in the housing 30. The compound lock assembly is unlocked with a key and the unlocking number. When the user misses or forget the unlocking number, the user can re-find it by the number detection means 33, and re-unlock the compound lock assembly with the unlocking number. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a composite lock assembly, and more specifically to a composite lock assembly that can find an unlocking number again when the unlocking number is lost or forgotten.

  A conventional general composite lock assembly includes a housing, a dial portion, and a shackle (U-shaped bracket). The dial portion is disposed inside the housing. The operation of the shackle is regulated by the dial part. The shackle extends to the outside of the housing and is bent into a U shape at a substantially central position. The end of the shackle can be engaged with the housing.

  The shackle can be hooked with an object to be locked from the end. When the end of the shackle is engaged with the housing and the dial ring of the dial portion is rotated to a random number, the shackle is fixed to the housing and the object is locked. When each dial ring is rotated to the unlocking number, the shackle can be pulled, and the end of the shackle is separated from the housing, allowing the object to be removed.

  In the above composite lock assembly, when the user does not use the device for a certain period of time or is in a hurry, the user may not be able to remember the unlocking number and may not be able to unlock. A composite lock assembly whose unlocking number is not known is not easy to use because it is broken or discarded by force.

  In order to solve the above problems, the present invention provides a composite lock assembly that prevents or alleviates the aforementioned problems.

The present invention provides a composite lock assembly that can find an unlocking number again even if the unlocking number is lost or forgotten.
In addition, the present invention provides a composite lock assembly that can be unlocked not only by unlocking a dial part but also by a key.
Furthermore, the present invention provides a composite lock assembly that can reset the unlocking number to a different number.
The composite lock assembly includes a dial portion that is unlocked by operating the dial ring, a key portion that is unlocked by key operation, and number detection means that can find the unlock number in the housing.

  The composite lock assembly can be unlocked by either the key or the unlock number. If the unlocking number is lost or forgotten, the unlocking number can be found again by the number detecting means, and the composite lock assembly can be unlocked again with the unlocking number. Further, the unlocking number can be reset to a different number by the operation in the unlocked state.

  Many objects, advantages and novel features of the present invention will become apparent from the following detailed description when considered in conjunction with the accompanying drawings.

  As shown in FIGS. 1, 2 and 3, the composite lock assembly according to the present invention comprises a dial part (10), a bolt (13), a key part (20), a housing (30), a stationary bracket (32) and It has a number detection means (33).

  The dial section (10) has a plurality of dial rings (11) and a plurality of inner rings (12). In the illustrated example, there are three dial rings (11), but the number of dial rings is not limited to this. Each dial ring (11) has a central hole (111) and concave teeth (112). The central hole (111) is formed in the dial ring (11), and concave teeth (112) are engraved on the inner edge of the central hole (111). As shown in FIG. 4, the inner ring (12) is disposed inside the central hole (111), and has a smooth surface (121), an end, a capping tooth (122), a guide tooth (123), and a position detection unit. (124) and a through hole (125). Capping teeth (122) and guide teeth (123) are formed at the end of the inner ring. The capping teeth (122) can be engaged with the concave teeth (112) of the dial ring (11). The position detector (124) is formed at the end of the inner ring (12) between the capping teeth (122). The through hole (125) is formed to penetrate the inner ring (12).

  The bolt (shackle) (13) is bent in a substantially U shape. An annular recess (131) is formed at the tip of one end of the bolt (13), and the other end is a locking end (133). An upper tooth (134) and a lower tooth (135) are engraved on the upper side of the annular recess (131) in the linear portion on the annular recess (131) side. The end of the bolt (13) on the annular recess (131) side extends through the through hole (125) of the inner ring (12) and is fixed to the washer (132). When the lower teeth (135) engage with the inner ring (12), the inner ring (12) is held at a predetermined position on the bolt (13).

  As shown in FIG. 5, the key portion (20) includes an outer shell (21), a rotating rod (22), a pin (23), a pin spring (24), a lower pin base (25), a lower extrusion base ( 26), an upper extrusion base (27) and a spring (28).

  The outer shell (21) includes a rotation hole (211), a fixing hole (213), and a pin hole (212). The rotation hole (211) is formed so as to penetrate the outer shell (21). The fixing hole (213) and the pin hole (212) are formed in the outer shell (21) so as to face each other, and communicate with the rotation hole (211) of the outer shell (21).

  The rotating rod (22) has an end, an upper pin base (221), and a rotating end (223). The end of the rotating rod (22) extends into the rotation hole (211) of the outer shell (21). The upper pin base (221) is formed at the end of the rotating rod (22), is disposed inside the rotation hole (211) of the outer shell (21), and has an upper pin hole (222). Formed on the upper pin base (221). The rotating end (223) extends outside the outer shell (21) and has a curved portion. As the shape of the curved portion, a semi-cylindrical shape can be exemplified.

  The lower pin base (25) is disposed inside the outer shell (21) and has a through hole (251), a pin slot (252), a pin (253), and a lower pin slot (254). The through hole (251) is formed so as to penetrate the lower pin base (25), and the rotating end (223) of the rotating rod (22) can extend therethrough. The pin slot (252) is formed on the lower pin base (25) and corresponds to the pin hole (212) of the outer shell (21). The pin (253) is assembled between the pin hole (212) of the outer shell (21) and the pin slot (252) of the lower pin base (25), and the lower pin base (25) is connected to the outer shell (21 ). The lower pin slot (254) is formed in the lower pin base (25) and faces the upper pin hole (222) of the upper pin base (221).

  The pin (23) and pin spring (24) are slidably incorporated between the upper pin hole (222) of the upper pin base (221) and the lower pin slot (254) of the lower pin base (25). ing.

  The lower extrusion base (26) has a hole (261) having a curved portion, a lower guide edge (262), a side surface, and an extrusion recess (263). The hole (261) having the curved portion passes through the lower extrusion base (26) and allows the rotation end (223) of the rotation rod (22) to extend. The lower guide edge (262) is formed on the lower extrusion base (26) so as to face each other, has a curved surface and a slope, and has a high point and a low point. The extrusion recess (263) is formed on the side surface of the lower extrusion base (26).

  The upper extrusion base (26) has an end, a lower slot (271), an upper guide edge (273), a side wall, a protrusion (274), a penetrating end (275), and a locking slot (276). The lower slot (271) is formed at the end of the upper extrusion pedestal (27), and the rotating end (223) of the rotating rod (22) can extend inside, and the inner wall and the regulating protrusion (272 )have. The restricting protrusion (272) is formed on the inner wall of the upper extrusion base (27) and can come into contact with the rotating end (223) of the rotating rod (22). The upper guide edge (273) is formed on the upper extrusion base (27) so as to be opposed to each other, and can contact the lower guide edge (262) of the lower extrusion base (26). Has a low point. The ridges (274) are formed on the side walls of the upper extrusion base (27) so as to face each other. The locking slot (276) is formed in the penetrating end (275) of the upper extrusion base (27) and selectively receives the locking end (133) of the bolt (13).

  The spring (18) covers the penetrating end (275) of the upper extrusion base (27).

  The housing (30) is divided into two halves (31). Each half body (31) has an inner surface, a key portion half recess (311), and a dial portion half recess (311). The key portion half recess (311) is formed on the inner surface of the half body (31), and has a bottom surface and a driven recess (312). The driven recess (312) is formed on the bottom surface of the half recess (311) for the key portion of the half body (31) and can receive one of the protrusions (274) of the upper extrusion base (27). The dial-use half recess (312) is formed on the inner surface of the half body (31) so as to be adjacent to the key-use half recess (311) of the half body (31), and has a bottom surface and a notch (318). . The notch (318) is formed so as to penetrate the bottom surface of the dial half recess (312), and the dial ring (11) of the dial part (10) can be extended. The dial-use semi-recess (312) has a protrusion (317). The protrusion (317) is formed between the notch (318) on the bottom surface of the dial half recess (312) and can be engaged with the capping teeth (122) of the inner ring (12) of the dial (10) It is. One of the half bodies (31) further includes a rod (314), a bracket recess (316), and a number detection recess (315). The rod (314), bracket recess (316), and number detection recess (315) are formed on the inner surface of the half (31), and the half recess (311) for the key portion and the half for the dial portion of the half (31). Located between the recesses (312). The bracket recess (316) is connected to the dial recess (312) of the half (31). The number detection recess (315) is connected to the key portion half recess (311) of the half (31). The other half (31) further has a check hole (319). The check hole (319) is formed so as to penetrate the half (31) between the notches (318) and communicates with the dial recess (312) of the half (31). When the two halves (31) are combined in the housing (30), the two half recesses (311) for the key part are connected to the key part (20), the lower extrusion base (26), the upper extrusion base (27), and It unites in the key part recess so that it can receive the spring (28). The penetrating end (275) of the upper extrusion base (27) extends outward from the housing (30). The two half-recesses for dial part (312) are united in the recessed part of the dial part so that the dial part (10) can be received. The lock end of the bolt (13) extends outward from the housing (30). The rod (314) extends into the fixing hole (213) of the outer shell (21), and holds the key portion (20) inside the housing (30).

  The immovable bracket (32) is disposed in the bracket recess (316) of the half body (31) and has a finger portion (321). The finger part (321) is formed on the stationary bracket (32) and extends to the dial part half recess (312) of the half body (31), and touches the dial ring (11) of the dial part (10). When the dial ring (11) of the dial part (10) is rotated, an appropriate contact resistance is given to the dial ring (11) of the dial part (10).

  The number detection means (33) is disposed in the number detection recess (315) and has a key portion end, a dial portion end, an extension portion (331), a fork (332), a recess (334), and a spring (335). The extension part (331) is formed at the end of the key part of the number detection means (33), extends to the key part recess (311) of the half body (31), and the extrusion recess (26) of the lower extrusion base (26). 263). The fork (332) is formed at the end of the dial part of the number detection means (33), and extends to the dial part recess (312) of the half body (31), and has an end and a hole (333). The hole (333) is formed through the end of the fork (332). The recess (334) is formed at the end of the dial portion of the number detection means (33). The spring (335) is disposed in the recess (334) of the number detection means (33).

  When unlocking by the dial part (10), as shown in FIG. 7, each dial ring (11) of the dial part (10) may be rotated to the unlocking number and the bolt (13) may be pulled. As a result, the upper teeth (134) of the bolt (13) are separated from the inside of the housing (30), and the locking end (133) of the bolt (13) is removed from the locking slot (276) of the upper extrusion base (27). The composite lock assembly is unlocked.

  When unlocking with a key, as shown in FIGS. 2, 6 and 8, a key (not shown) is inserted into the outer shell (21) of the key portion (20) from below and rotated. . Thereby, a lower extrusion base (26) rotates with a key. The restriction protrusion (272) of the upper extrusion base (27) and the rotation end (223) of the rotating rod (22) come into contact with each other, so that the rotation of the lower extrusion base is limited to a certain angle. By rotating the lower extrusion base (26), the lower guide edge (262) of the lower extrusion base (26) and the upper guide edge (273) of the upper extrusion base (27) from their respective high points. Move to a low point. In this state, the upper extrusion pedestal (27) is pushed toward the lower extrusion pedestal (26) by the spring (28) and retracted into the housing (30), whereby the locking end of the bolt (13) ( 133) is disengaged from the locking slot (276) of the upper extrusion base (27), and the composite lock assembly is unlocked.

On the other hand, when the lower extrusion pedestal (26) is rotated, the number detecting means (33) is pushed to the dial part (10) side, and the hole (333) of the number detecting means (33) is moved to the housing (30). The inner ring (12) in the housing (30) can be visually observed through the check hole (319) in alignment with the check hole (319). In order to find the unlocking number, the user may rotate the dial ring (11) through the check hole (319) while referring to the inner ring (12). When the dial ring (11) is rotated, the number of the position detection part (124) of the inner ring (12) seen from the check hole (319) is the unlock number of each dial ring (11). Become. Note that the position detection unit (124) is preferably formed in a concave shape or a convex shape, or colored in red or the like so as to be easily visible.
As shown in FIG. 9, the check hole (319) of the housing (30), the hole (333) of the number detection means (33), and the position detection unit (124) of the dial part (10) are all arranged in a line. At this time, the unlocking number of the dial part (10) can be known again, and unlocking by the dial part (10) can be performed.

  When the key is rotated to the locked position with the key inserted, the lower guide edge (262) of the lower extrusion base (26) and the upper guide edge (273) of the upper extrusion base (27) are respectively Moving from the low point to the high point, the locking end (133) of the upper extrusion base (27) is pushed out of the housing. The locking slot (276) of the upper extrusion base (27) receives the locking end (133) of the bolt (13), and the composite lock assembly is locked again.

In order to change the unlocking number, as shown in FIG. 10, first, the dial portion (10) is unlocked, and the locking edge (130) of the bolt (13) is rotated 180 degrees. When the dial part (10) is in the unlocked state, the protrusion (317) of the housing (30) allows the guide teeth (123) of the dial part (10) to pass through, and the bolt (13) is inserted into the housing ( 30) Can be pushed into. When the bolt (13) is pushed inward of the housing (30), the capping teeth (122) of the inner ring (12) and the concave teeth (112) of the dial ring (11) are disengaged from each other, and the inner ring (12 ) Moves downward with the bolt (13).
Since the dial ring (11) is on the smooth surface (121) of the inner ring (12), when the dial ring (11) is rotated, the inner ring (12) does not rotate with the dial ring (11). The dial ring (11) can be rotated to any number. When the user rotates each dial ring (11) to the desired number, a new unlocking number is set, and when the user pulls the bolt (13) and pulls it out of the housing (30), the inner ring (12) moves with the bolt again, and the capping teeth (122) of the inner ring (12) and the concave teeth (112) of the dial ring (11) engage with each other. By pulling back the bolt (13) to the original position, the bolt (13) can be rotated again, and the setting of a new unlocking number is completed.

  The composite lock assembly of the present invention can be unlocked with either a key or an unlocking number. Even if the unlocking number of the dial part (10) is lost or forgotten, the unlocking number can be found by operating the number detection means (33) and the key part (20) with the key. The lock assembly can be used conveniently.

  Although many features and advantages of the present invention have been described above in order to describe the structure and objects of the invention in detail, these disclosures are for illustrative purposes only. Accordingly, changes in the shape, size, and arrangement of the components can be made, and the meaning of the terms set forth in the appended claims can be interpreted broadly within the scope of the principles of the present invention. Should.

  The present invention is useful as a composite lock assembly that can find an unlock number again and reset it to a different unlock number when the unlock number is lost or forgotten.

FIG. 1 is an exploded perspective view of a composite lock assembly according to the present invention. FIG. 2 is a perspective view of the composite lock assembly of FIG. 1. FIG. 2 is a partial cross-sectional perspective view of the composite lock assembly of FIG. 1. It is a fragmentary sectional view of the compound lock assembly of FIG. It is a disassembled perspective view of the key part of FIG. It is a fragmentary sectional view of the compound lock assembly of FIG. It is a fragmentary sectional view of the compound lock assembly of FIG. It is a fragmentary sectional view of the compound lock assembly of FIG. It is a fragmentary sectional view of the compound lock assembly of FIG. It is a fragmentary sectional view of the compound lock assembly of FIG.

Explanation of symbols

(10) Dial part
(20) Key part
(30) Housing
(33) Number detection means

Claims (5)

A compound lock assembly,
housing;
A dial portion disposed within the housing;
A key portion disposed adjacent to the dial portion in the housing;
A lower extrusion base disposed in the housing and connected to the key portion;
An upper extrusion pedestal disposed within the housing and connected to the lower extrusion pedestal,
An upper extrusion pedestal having a penetrating end extending through the housing and a locking slot formed in the penetrating end of the upper extrusion pedestal;
A bolt having an end linked to the dial portion and a locking end extending from the housing and engageable with a locking slot of the upper extrusion base;
Having a composite lock assembly. The housing is
A check hole formed through the housing and facing the dial,
Number detection means disposed in the housing and connected to the lower extrusion base, formed at the dial portion end and the dial portion end, extending toward the dial portion, and penetrating the end portion and the end portion. Number detecting means having a fork having a hole formed by
The composite lock assembly of claim 1 having The key part has an outer shell, rotating rod, pin, pin spring, and lower pin base,
The outer shell includes a rotation hole formed through the outer shell, a fixing hole formed in the outer shell and communicating with the rotation hole of the outer shell, and a fixing hole formed in the outer shell. And a pin hole communicating with the rotation hole of the outer shell,
The rotating rod has an end extending into the rotation hole of the outer shell, an upper pin base formed at the end of the rotating rod, disposed inside the rotation hole of the outer shell, and having an upper pin hole; A rotation end extending from the shell and having a curved portion,
The lower pin pedestal is disposed in the outer shell, and the lower pin pedestal is formed through the lower pin pedestal, and a through hole through which the rotating end of the rotating rod can extend, and the lower pin pedestal A pin slot formed opposite to the pin hole of the outer shell and attached between the pin hole of the outer shell and the pin slot of the lower pin pedestal to fix the lower pin pedestal to the outer shell And a lower pin slot formed on the lower pin base and facing the upper pin hole of the upper pin base,
The pin and the pin spring are slidably disposed between the upper pin hole of the upper pin base and the lower pin hole of the lower pin base,
The lower extrusion pedestal has a hole having a curved portion and a lower guide edge. The hole having the curved portion is formed so as to penetrate the lower extrusion pedestal, and the rotation end of the rotating rod extends therethrough. The lower guide edge is formed on the lower extrusion pedestal, is opposed to each other, has a curved surface and a slope, has a high point and a low point,
The upper extrusion pedestal is formed at the end and the end of the upper extrusion pedestal, and the rotation end of the rotating rod can extend inside, and is formed in the lower slot having the inner wall and the upper extrusion pedestal, and is opposed to each other An upper guide edge having a high point and a low point, a side wall, and a spring covering the locking end of the upper extrusion base.
The composite lock assembly according to claim 2. The dial part has a plurality of dial rings and a plurality of inner rings,
Each dial ring has a central hole formed through each dial ring, the central hole having an inner edge and concave teeth formed on the inner edge of the central hole of the dial ring. And
An inner ring disposed inside each central hole has a smooth surface, an end, an end of the inner ring, a capping tooth engageable with a concave tooth of the dial ring, and an end of the inner ring. There are formed guide teeth, a position detection part formed at the end of the inner ring between the capping teeth, and a through hole formed through the inner ring through which the end of the bolt can extend. And
The bolt has an annular recess and a washer, upper and lower teeth, the annular recess is formed at the end of the bolt, the washer is attached to the annular recess of the bolt and holds the inner ring on the bolt And formed between the locking end and the end of the bolt, and the lower teeth are formed between the upper end and the end of the claim of the bolt and engage the inner ring of the dial part,
The composite lock assembly according to claim 3. The inner ring has guide teeth formed at the end of the inner ring,
The upper extrusion pedestal has a ridge formed on the side wall of the upper extrusion pedestal,
The housing is divided into two halves, each half having an inner surface, a half recess for the key portion and a half recess for the dial portion, and the half recess for the key portion is formed on the inner surface of the half portion. The half-recess for use is formed in the surface of the half so as to be adjacent to the half-recess for the key part of the half, and has a bottom surface and a notch formed to penetrate the bottom surface of the half-recess for the dial part, The dial ring of the dial part can be extended,
One half further has a bracket recess formed on the inner surface of the half and a stationary bracket attached to the inner surface, and a number detection recess formed on the inner surface of the half and the number detection means attached on the inside. ,
The composite lock assembly according to claim 4.

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