CN219605081U - Internal-pulling cipher lock - Google Patents

Abstract

The utility model relates to the technical field of locks, in particular to an internally-pulled coded lock, which comprises a lock body and a lock hook, wherein the lock body is arranged on one opening and closing side of a case, the lock hook is arranged on the other opening and closing side of the case, a base is arranged at the connecting end of the lock body and is used for being fixed with the case, a first rotating shaft is arranged on the base, the lock body is hinged to the base through the first rotating shaft, and the free end of the lock body is used for being locked with the lock hook; the lock body comprises a push button, a transmission piece and a locking assembly, wherein the locking assembly limits the push button to move through the transmission piece, and the push button is provided with a lock catch which is buckled with the lock hook; the bottom of latch hook is equipped with the mounting panel, and the mounting panel is equipped with the drag hook, and the inboard of the lock body is equipped with and draws knot and second pivot, and second pivot and first pivot are juxtaposed and are arranged non-synteny, draw knot articulated in the lock body through the second pivot, when the lock body moves towards the closure direction, draw knot to catch on the drag hook and strain towards the base direction, reaches the purpose of prepositioning, reduces the atress of latch hook hasp, and dual closure security performance is higher.

Description

Internal-pulling cipher lock

Technical Field

The utility model relates to the technical field of locks, in particular to an internal-pull coded lock.

Background

One end of the case and bag password padlock is hinged with one opening and closing side of the case, the other end of the case and bag password padlock is locked with the other opening and closing side of the case, and the case and bag password padlock is opened, so that the case and bag password padlock is separated from the other opening and closing side of the case, and the case can be opened. The structure of the luggage cipher lock generally comprises a locking block and a cipher mechanism for controlling the movement of the locking block, wherein the cipher mechanism comprises a cipher component and a movable block, the cipher component controls the movement of the locking block through the movable block, and the locking block is used for controlling the movement of a lock hook or a lock catch, so that the lock hook is locked or separated from the lock catch, and the luggage cipher lock is locked or unlocked. For example, chinese patent document with publication number CN209556637U discloses a case password lock; chinese patent document with publication number CN215407959U discloses "cipher lock.

The existing coded lock mainly relies on the buckling between a lock hook and a lock catch to realize locking, and the following parts to be improved exist: the latch hook is inserted into the lock body and matched with the latch on the push button, the latch hook has large pulling force on the latch, and particularly when the latch hook is applied to a hard frame box such as an aluminum box, the acting force on the latch hook is larger, the corresponding strength requirement on the latch hook is high, the latch hook on the push button is combined, and the space for improvement is limited.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides an internal tightening coded lock.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a password padlock of internal tightening, including be used for installing the lock body at the case and bag one open-close side and be used for installing the latch hook at the other open-close side of case and bag, the link of lock body is equipped with the base, and the base is used for being fixed mutually with the case and bag, and the base is equipped with first pivot, and the lock body is articulated in the base via first pivot, and the free end of lock body is used for with the latch hook closure;

the lock body comprises a push button, a transmission piece and a locking assembly, wherein the locking assembly limits the push button to move through the transmission piece, and the push button is provided with a lock catch which is buckled with the lock hook; when the lock is unlocked, the locking assembly controls the transmission piece to move so as to release the constraint on the push button, and the push button is pressed by external force so as to separate the lock catch from the lock hook, so that the lock body turns around the hinge joint;

the bottom of latch hook is equipped with the mounting panel, and the mounting panel is equipped with the drag hook, and the inboard of lock body is equipped with and draws knot and second pivot, and second pivot and first pivot are juxtaposed and are arranged non-synteny, draw knot articulates in the lock body through the second pivot, when the lock body moves towards the closure direction, draws knot to catch on the drag hook and taut towards the base direction.

Specifically, the top of the drag hook is bent back to the direction of the base, the pull buckle is sheet-shaped, and the buckle is provided with a pull hole capable of being sleeved into the drag hook.

Specifically, the drag hook comprises a first drag hook and a second drag hook, and the pull buckle is provided with a first pull hole and a second pull hole which correspond to each other.

Specifically, the lock body comprises a lock shell, a perspective plate is arranged at the top of the lock shell, and the perspective plate is matched with the buckle of the Ji La and the drag hook.

Specifically, the perspective plate and the lock shell are mutually clamped and fixed.

Specifically, the locking assembly comprises a password wheelset and a locking plate, the locking plate is slidably arranged at the bottom of the password wheelset and is provided with a spring, and after a correct password is input by the password wheelset, the locking plate is driven to move by the spring so that the locking plate drives the transmission piece to move.

Specifically, the lock plate is provided with a V-shaped bulge, the transmission piece is provided with a V-shaped groove, the bulge is embedded in the groove in the locked state, and the bulge moves out of the groove along mutually matched inclined planes in the unlocked state so as to drive the transmission to move along the direction perpendicular to the sliding direction of the lock plate.

Specifically, the transmission piece is provided with a yielding groove, the push button is provided with a limit column, and the limit column is staggered with the yielding groove to prop against the transmission piece in the locked state; in the unlocking state, the limit posts are aligned with the yielding grooves to yield an active space for the push-twist displacement.

Specifically, the number of the push buttons is two, and the two push buttons are respectively positioned at two sides of the transmission piece.

Specifically, the locking assembly further comprises a key lock cylinder, the key lock cylinder is arranged at the top of the transmission piece, and after the key lock cylinder is inserted into a correct key, the key lock cylinder can be rotated to drive the transmission piece to move.

The utility model has the beneficial effects that:

according to the password lock with the internal tension, as the pull buckle and the drag hook are arranged, when the lock body rotates to buckle to the lock hook, the pull buckle hooks the drag hook in advance to be tensioned towards the direction of the base before the lock buckle is matched with the lock hook, so that the relative position of the mounting plate and the bottom plate is fixed, the purpose of pre-positioning is achieved, and when the lock body is continuously rotated, the lock hook can be accurately inserted into the lock body to be matched with the lock buckle, and the use experience of a user is improved. In addition, the stress parts of the lock bodies and the lock hooks which are positioned on the two opening and closing sides of the case are mainly on the pull buckle and the drag hook, the original main stress lock hook and the original main stress lock hook play a role in locking to a great extent and bear smaller acting force, so that the strength requirements on the lock hook and the lock catch are low, the drag hook and the pull buckle are covered by the lock bodies, and the dual locking of the lock hook and the lock catch and the drag hook and the pull buckle is combined, so that the safety performance is higher, and the strength of the lock is easier to realize in manufacturing.

Drawings

Fig. 1 is a schematic structural diagram of an internal tightening coded lock in an embodiment.

Fig. 2 is a schematic view of a hidden partial lock case of an internal tightening combination lock according to an embodiment.

Fig. 3 is an exploded view of an internal pull-up combination lock in an embodiment.

Fig. 4 is a schematic view of a pull buckle according to an embodiment.

Fig. 5 is a partial schematic view of a lock body in an embodiment.

Reference numerals:

the lock body 1, the lock shell 11, the first hinge hole 111, the second hinge hole 112, the push button 12, the limit post 121, the lock catch 122, the transmission piece 13, the groove 131, the abdication groove 132 and the perspective plate 14;

the locking assembly 2, the cipher wheel set 21, the lock plate 22, the bulge 221 and the key lock cylinder 23;

the device comprises a lock hook 3, a mounting plate 4 and a draw hook 5; base 6, pull buckle 7, draw hole 8.

Detailed Description

The present utility model will be described in detail with reference to specific embodiments and drawings.

The cipher lock of this embodiment, as shown in fig. 1 to 5, includes a lock body 1 for mounting on one opening and closing side of a case and a lock hook 3 for mounting on the other opening and closing side of the case, the two lock hooks 3 standing on a mounting plate 4 in opposite directions. The connecting end of the lock body 1 is provided with a base 6, the base 6 is used for being fixed with a case, the base 6 is provided with a first rotating shaft, the lock body 1 is hinged to the base 6 through a first hinge hole 111 and the first rotating shaft, and the free end of the lock body 1 is used for being locked with the lock hook 3. The lock body 1 comprises a lock shell 11, push buttons 12, a transmission piece 13 and a locking assembly 2, wherein the two push buttons 12 are oppositely arranged at two sides of the lock shell 11 and are partially exposed for operation, the transmission piece 13 is slidably arranged in the lock shell 11, the locking assembly 2 limits the push buttons 12 to move through the transmission piece 13, and the two push buttons 12 are respectively provided with a lock catch 122 buckled with the two lock hooks 3. When the lock is unlocked, the locking assembly 2 controls the transmission piece 13 to move so as to release the constraint on the push button 12, and the external force presses the push button 12 to separate the lock catch 122 from the lock hook 3, so that the lock body 1 turns around the hinge joint. In practice the push button 12 is provided with a conventional return spring.

In this embodiment, the locking assembly 2 includes a combination wheel set 21 and a lock plate 22, the lock plate 22 is slidably mounted at the bottom of the combination wheel set 21, the lock plate 22 is provided with a spring, and after the combination wheel set 21 inputs a correct combination, the spring drives the lock plate 22 to move, so that the lock plate 22 drives the transmission member 13 to move. This technique is a general technique for locks and will not be described in detail herein. Further, the lock plate 22 is provided with a V-shaped protrusion 221, the transmission member 13 is provided with a V-shaped groove 131, and in the locked state, the protrusion 221 is embedded in the groove 131; in the unlocked state, the protrusion 221 moves out of the groove 131 along the mutually mating inclined surfaces to drive the transmission to move in a direction perpendicular to the sliding direction of the lock plate 22. The transmission member 13 is provided with a yielding groove 132, the push button 12 is provided with a limiting column 121, and the limiting column 121 and the yielding groove 132 are staggered to prop against the transmission member 13 in the locked state; in the unlocked state, the limiting post 121 is aligned with the yielding groove 132 to yield the movable space for the displacement of the push button 12.

In this embodiment, the locking assembly 2 further includes a key lock cylinder 23, where the key lock cylinder 23 is disposed at the top of the transmission member 13, and after the key lock cylinder 23 is inserted into a correct key, the key lock cylinder 23 can be turned to drive the transmission member 13 to move.

In this embodiment, the mounting plate 4 is provided with a draw hook 5, the inner side of the lock body 1 is provided with a pull buckle 7 and a second rotating shaft, the second rotating shaft and the first rotating shaft are arranged in parallel and are not in line, the pull buckle 7 is hinged to a second hinge hole 112 of the lock body 1 through the second rotating shaft, and when the lock body 1 moves towards the locking direction, the pull buckle 7 hooks the draw hook 5 to be tensioned towards the base 6. Specifically, the top of the drag hook 5 is bent back to the direction of the base 6, the pull buckle 7 is sheet-shaped, and the buckle is provided with a pull hole 8 capable of being sleeved into the drag hook 5. The drag hook 5 comprises a first drag hook and a second drag hook, and the pull buckle 7 is provided with a first pull hole and a second pull hole which correspond to each other.

During the use, in the lock body 1 rotates to detain to latch hook 3 in-process, before hasp 122 cooperates with latch hook 3, draw knot 7 hooks drag hook 5 in advance and is taut towards base 6 direction, so then fixed mounting panel 4 and the relative position of bottom plate, reaches the purpose of predetermined location, when continuing to rotate lock body 1, latch hook 3 can accurately insert in the lock body 1 with the cooperation of hasp 122, improves user's use experience. Furthermore, the stress parts of the lock body 1 and the lock hook 3 which are positioned on the two opening and closing sides of the case are mainly on the pull buckle 7 and the pull hook 5, and the original mainly stressed lock hook 3 play a role in locking to a great extent and bear smaller acting force, so that the strength requirements on the lock hook 3 and the lock catch 122 are low, the pull hook 5 and the pull buckle 7 are covered by the lock body 1, and the double locking of the lock hook 3 and the lock catch 122 as well as the pull hook 5 and the pull buckle 7 is combined, so that the safety performance is higher, and the strength is easier to realize in manufacturing.

In this embodiment, the top of the lock case 11 is provided with a perspective plate 14, the perspective plate 14 and the lock case 11 are fastened and fixed with each other, and the perspective plate 14 is used for conveniently observing the matching condition of the inner pull buckle 7 and the drag hook 5 on the matching position of the Ji La buckle 7 and the drag hook 5.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (10)

1. An internal-pulling coded lock is characterized in that: the lock comprises a lock body and a lock hook, wherein the lock body is used for being installed on one opening and closing side of a case, the lock hook is used for being installed on the other opening and closing side of the case, a base is arranged at the connecting end of the lock body and is used for being fixed with the case, a first rotating shaft is arranged on the base, the lock body is hinged to the base through the first rotating shaft, and the free end of the lock body is used for being locked with the lock hook;

the lock body comprises a push button, a transmission piece and a locking assembly, wherein the locking assembly limits the push button to move through the transmission piece, and the push button is provided with a lock catch which is buckled with the lock hook; when the lock is unlocked, the locking assembly controls the transmission piece to move so as to release the constraint on the push button, and the push button is pressed by external force so as to separate the lock catch from the lock hook, so that the lock body turns around the hinge joint;

the bottom of latch hook is equipped with the mounting panel, and the mounting panel is equipped with the drag hook, and the inboard of lock body is equipped with and draws knot and second pivot, and second pivot and first pivot are juxtaposed and are arranged non-synteny, draw knot articulates in the lock body through the second pivot, when the lock body moves towards the closure direction, draws knot to catch on the drag hook and taut towards the base direction.

2. The combination lock of claim 1, wherein the combination lock is configured to: the top of the draw hook is bent back to the direction of the base, the pull buckle is sheet-shaped, and the buckle is provided with a pull hole capable of being sleeved into the draw hook.

3. The combination lock of claim 2, wherein the combination lock is configured to: the drag hook comprises a first drag hook and a second drag hook, and the pull buckle is provided with a first pull hole and a second pull hole which correspond to each other.

4. The combination lock of claim 1, wherein the combination lock is configured to: the lock body comprises a lock shell, a perspective plate is arranged at the top of the lock shell, and the perspective plate is matched with the buckle Ji La and the draw hook.

5. The internal pull-up combination lock of claim 4, wherein: the perspective plate and the lock shell are mutually clamped and fixed.

6. The combination lock of claim 1, wherein the combination lock is configured to: the locking assembly comprises a password wheel set and a locking plate, the locking plate is slidably arranged at the bottom of the password wheel set and is provided with a spring, and after a correct password is input by the password wheel set, the spring drives the locking plate to move, so that the locking plate drives the transmission piece to move.

7. The combination lock of claim 6, wherein: the lock plate is provided with a V-shaped bulge, the transmission piece is provided with a V-shaped groove, the bulge is embedded in the groove in the locking state, and the bulge moves out of the groove along mutually matched inclined planes in the unlocking state so as to drive the transmission to move along the direction perpendicular to the sliding direction of the lock plate.

8. The combination lock of claim 7, wherein: the transmission part is provided with a yielding groove, the push button is provided with a limit column, and the limit column is staggered with the yielding groove to prop against the transmission part in the locking state; in the unlocking state, the limit posts are aligned with the yielding grooves to yield an active space for the push-twist displacement.

9. The combination lock of claim 8, wherein: the number of the push buttons is two, and the two push buttons are respectively positioned at two sides of the transmission piece.

10. The combination lock of claim 8, wherein: the locking assembly further comprises a key lock cylinder, the key lock cylinder is arranged at the top of the transmission piece, and after the key lock cylinder is inserted into a correct key, the key lock cylinder can be rotated to drive the transmission piece to move.