CN219605081U - Internal-pulling cipher lock - Google Patents

Abstract

The utility model relates to the technical field of locks, in particular to an internally tightened combination lock, comprising a lock body for installation on one opening and closing side of a luggage and a lock hook for installing on the other opening and closing side of the luggage, the lock body The connecting end of the lock body is provided with a base, the base is used to be fixed with the luggage, the base is provided with a first rotating shaft, the lock body is hinged to the base via the first rotating shaft, and the free end of the lock body is used for locking with the lock hook; the lock body includes a push-twist , the transmission part and the locking assembly, the locking assembly restricts the push-twist movement through the transmission part, and the push-twist is provided with a lock buckle that is fastened with the lock hook; the bottom of the lock hook is provided with a mounting plate, and the mounting plate is provided with a pull hook. There is a buckle and a second rotating shaft on the inner side. The second rotating shaft and the first rotating shaft are arranged side by side and not on the same line. The pulling buckle is hinged to the lock body through the second rotating shaft. When the lock body moves towards the locking direction, the buckle hooks the hook Tension towards the base to achieve the purpose of pre-positioning, reduce the force on the hook and buckle, and the double locking safety performance is higher.

Description

A combination buckle lock with internal tension

technical field

The utility model relates to the technical field of locks, in particular to an internally tightened combination lock.

Background technique

One end of the luggage combination lock is hinged with one opening and closing side of the box body, and the other end of the luggage combination lock is locked with the other opening and closing side of the box body. When the luggage combination lock is opened, the luggage combination lock can be connected to the box. The other opening and closing side of the body is disengaged, and then the box body can be opened. The structure of the luggage combination lock generally includes a lock block and a password mechanism that controls the movement of the lock block. The password mechanism includes a password component and a movable block. The movement of the buckle, and then realize the locking or disengagement of the shackle and the buckle, so as to realize the locking or unlocking of the combination lock of the luggage. For example, the Chinese patent document whose publication number is CN209556637U discloses "a kind of luggage combination lock"; the Chinese patent document whose publication number is CN215407959U discloses "a combination lock".

The existing combination locks mainly rely on the fastening between the hook and the buckle to achieve locking, and there are the following points to be improved: the hook is inserted into the lock body and cooperates with the buckle on the push-twist, and the lock hook has the same effect on the buckle. The pulling force is large, especially when it is applied to hard frame bags such as aluminum boxes, the force on the lock is greater, and the corresponding strength requirements for the lock hook are high. The shape of the lock combined with the push-twist must match the lock, and its improvement space is limited.

Contents of the invention

In view of the above-mentioned technical problems in the prior art, the utility model provides an internally tightened combination lock.

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

Provided is an internally tightened combination lock, which includes a lock body for installation on one opening and closing side of the luggage and a lock hook for installing on the other opening and closing side of the luggage, the connecting end of the lock body is provided with a base, and the base is used In order to be fixed with the luggage, the base is provided with a first rotating shaft, the lock body is hinged to the base via the first rotating shaft, and the free end of the lock body is used for locking with the lock hook;

The lock body includes a push twist, a transmission part and a locking component. The lock component restricts the movement of the push twist through the transmission part. The push twist is provided with a lock that is engaged with the lock hook; Push-twist restraint, the external force presses push-twist to disengage the lock buckle from the shackle, and then makes the lock body turn around the hinge;

The bottom of the lock hook is provided with a mounting plate, the mounting plate is provided with a drag hook, and the inner side of the lock body is provided with a pull button and a second rotating shaft. For the lock body, when the lock body moves toward the locking direction, the pull buckle hooks the pull hook and pulls it toward the base.

Specifically, the top of the draw hook is bent away from the base, the draw buckle is in the shape of a sheet, and the buckle is provided with a draw hole that can be inserted into the draw hook.

Specifically, the draw hook includes a first draw hook and a second draw hook, and the draw buckle is provided with corresponding first draw holes and second draw holes.

Specifically, the lock body includes a lock case, and a see-through plate is arranged on the top of the lock case, and the see-through plate is aligned with the mating position of the pull buckle and the pull hook.

Specifically, the see-through plate and the lock case are clamped and fixed to each other.

Specifically, the locking assembly includes a combination wheel set and a lock plate. The lock plate is slidably installed on the bottom of the combination wheel set. The lock plate is provided with a spring. After the combination wheel set enters the correct password, the spring drives the lock plate to move, so that The lock plate drives the transmission part to move.

Specifically, the lock plate is provided with a V-shaped protrusion, and the transmission part is provided with a V-shaped groove. In the locked state, the protrusion is embedded in the groove. Move out of the groove to drive the drive to move along the direction perpendicular to the sliding direction of the lock plate.

Specifically, the transmission part is provided with a relief groove, and the push-twist is provided with a limit column. Push-twist displacement gives room for movement.

Specifically, the number of pushers is two, and the two pushers are respectively located on both sides of the transmission member.

Specifically, the locking assembly also includes a key lock cylinder, which is arranged on the top of the transmission member. After the key lock cylinder is inserted with a correct key, the key lock cylinder can be turned to drive the transmission member to move.

The beneficial effects of the utility model:

The combination buckle lock with internal tension of the utility model is provided with a pull buckle and a pull hook. When the lock body is turned to the lock hook, before the lock buckle and the lock hook cooperate, the pull buckle catches the pull hook in the direction of the base in advance. Tighten, so that the relative position of the mounting plate and the bottom plate is fixed to achieve the purpose of pre-positioning. When the lock body continues to be rotated, the lock hook can be accurately inserted into the lock body to cooperate with the lock buckle, which improves the user experience. Furthermore, the force-bearing parts of the lock body and the shackle located on the two opening and closing sides of the luggage are mainly on the pull buckle and the pull hook, while the shackle and the shackle that were originally mainly stressed play a role of locking to a large extent, and bear Small force, so the strength requirements for the hook and buckle are low, and the hook and the buckle are covered by the lock body, combined with the double locking of the hook and the buckle, the hook and the buckle, the safety performance is higher, Its strength is easier to achieve in manufacturing.

Description of drawings

Fig. 1 is a schematic structural view of an internally tightened combination lock in an embodiment.

Fig. 2 is a structural schematic diagram of an internally tightened combination lock with a partial lock casing hidden in the embodiment.

Fig. 3 is an exploded view of an internally tightened combination lock in the embodiment.

Fig. 4 is a schematic diagram of the pull button in the embodiment.

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

Reference signs:

Lock body 1, lock case 11, first hinge hole 111, second hinge hole 112, push twist 12, limit post 121, lock buckle 122, transmission member 13, groove 131, relief groove 132, perspective plate 14;

Locking assembly 2, password wheel set 21, lock plate 22, protrusion 221, key lock cylinder 23;

Lock hook 3, mounting plate 4, pull hook 5; base 6, pull buckle 7, pull hole 8.

Detailed ways

The utility model is described in detail below in conjunction with specific embodiments and accompanying drawings.

A kind of inner tension combination lock of this embodiment, as shown in Fig. 1 to Fig. 5, comprises a lock body 1 for being installed on one opening and closing side of the luggage and a lock for being installed on the other opening and closing side of the luggage Hook 3, two locking hooks 3 stand on the mounting plate 4 facing each other. The connecting end of the lock body 1 is provided with a base 6, and the base 6 is used to be fixed to the case and bag. The free end is used for locking with the locking hook 3. The lock body 1 includes a lock housing 11, a push knob 12, a transmission member 13 and a locking assembly 2. The two push knobs 12 are arranged on opposite sides of the lock housing 11 and partially exposed for operation. The transmission member 13 is slidably mounted on the lock Inside the housing 11 , the locking assembly 2 restricts the movement of the push knobs 12 via the transmission member 13 , and the two push knobs 12 are respectively provided with locks 122 that are engaged with the two locking hooks 3 . When unlocking, the locking assembly 2 controls the movement of the transmission member 13 to release the constraint on the push knob 12, and the push knob 12 is pressed by an external force to disengage the lock catch 122 from the lock hook 3, thereby causing the lock body 1 to turn around the hinge. In practice, push and twist 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 installed on the bottom of the combination wheel set 21. The lock plate 22 is provided with a spring. After the combination wheel set 21 enters the correct password , the spring drives the lock plate 22 to move, so that the lock plate 22 drives the transmission member 13 to move. This technology is a common technology for locks, and will not be described in detail here. Further, the lock plate 22 is provided with a V-shaped protrusion 221, and the transmission member 13 is provided with a V-shaped groove 131. In the locked state, the protrusion 221 is embedded in the groove 131; in the unlocked state, the protrusion 221 221 moves out of the groove 131 along the mutually matched inclined planes, so as to drive the transmission to move along the sliding direction perpendicular to the lock plate 22 . The transmission part 13 is provided with a relief groove 132, and the push-twist 12 is provided with a limit column 121. In the locked state, the limit column 121 is staggered with the relief groove 132 and resists the transmission part 13; in the unlocked state, the limit column 121 is aligned. Make way for the groove 132 to give way to the displacement of the push knob 12 to make room for movement.

In this embodiment, the locking assembly 2 also includes a key lock cylinder 23, the key lock cylinder 23 is arranged on the top of the transmission member 13, after the key lock cylinder 23 is inserted with the 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 drag hook 5, and the inner side of the lock body 1 is provided with a pull button 7 and a second rotating shaft. The second rotating shaft and the first rotating shaft are arranged side by side and not on the same line, and the pulling button 7 is hinged via the second rotating shaft. In the second hinge hole 112 of the lock body 1 , when the lock body 1 moves toward the locking direction, the pull buckle 7 hooks the pull hook 5 and pulls it toward the base 6 to tighten. Specifically, the top of the drag hook 5 is bent away from the base 6 , the pull buckle 7 is in a sheet shape, and the buckle is provided with a pull hole 8 that can be inserted into the drag hook 5 . The pull hook 5 includes a first pull hook and a second pull hook, and the pull buckle 7 is provided with a corresponding first pull hole and a second pull hole.

During use, when the lock body 1 rotates to the lock hook 3, before the lock buckle 122 cooperates with the lock hook 3, the pull buckle 7 catches the draw hook 5 and pulls it toward the base 6 in advance, so that the mounting plate 4 and the bottom plate The relative position of the lock is fixed to achieve the purpose of pre-positioning. When the lock body 1 continues to be rotated, the lock hook 3 can be accurately inserted into the lock body 1 to cooperate with the lock catch 122, thereby improving user experience. Furthermore, the force-bearing parts of the lock body 1 and the lock hook 3 on the two opening and closing sides of the luggage are mainly on the pull buckle 7 and the pull hook 5, and the lock hook 3 and the lock hook 3 that were mainly stressed originally play a large role. The locking function bears a small force, so the strength requirements for the lock hook 3 and the lock buckle 122 are low, and the draw hook 5 and the draw buckle 7 are covered by the lock body 1, and the combination of the lock hook 3 and the lock buckle 122 and draw hook The double locking of 5 and pull button 7 has higher safety performance, and its strength is easier to realize in manufacture.

In this embodiment, a see-through plate 14 is provided on the top of the lock case 11, and the see-through plate 14 and the lock case 11 are locked and fixed to each other. The see-through plate 14 is aligned with the matching position of the pull buckle 7 and the pull hook 5, so as to facilitate observation of the inside pull buckle. 7 and the cooperation situation of drag hook 5.

In the description of the present utility model, unless otherwise clearly stipulated and limited, the terms "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the instructions and the records of the drawings. The specific connection methods of each part adopt mature bolts, rivets, welding Conventional means, machinery, parts and equipment all adopt conventional models in the prior art, and circuit connections adopt conventional connection methods in the prior art, which will not be described in detail here.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (10)

1. A combination lock with internal tension is characterized in that: it includes a lock body for being installed on one opening and closing side of the luggage and a lock hook for being installed on the other opening and closing side of the luggage, and the connecting end of the lock body is provided with There is a base, the base is used to be fixed with the luggage, the base is provided with a first rotating shaft, the lock body is hinged to the base via the first rotating shaft, and the free end of the lock body is used to lock with the lock hook; The lock body includes a push twist, a transmission part and a locking component. The lock component restricts the movement of the push twist through the transmission part. The push twist is provided with a lock that is engaged with the lock hook; Push-twist restraint, the external force presses push-twist to disengage the lock buckle from the shackle, and then makes the lock body turn around the hinge; The bottom of the lock hook is provided with a mounting plate, the mounting plate is provided with a drag hook, and the inner side of the lock body is provided with a pull button and a second rotating shaft. For the lock body, when the lock body moves toward the locking direction, the pull buckle hooks the pull hook and pulls it toward the base. 2. An inner tension combination lock according to claim 1, characterized in that: the top of the hook is bent away from the base, the buckle is in the shape of a sheet, and the buckle is provided with a pull hole that can be inserted into the hook . 3 . The combination lock with internal tension according to claim 2 , wherein the pull hook includes a first pull hook and a second pull hook, and the pull hook is provided with a corresponding first pull hole and a second pull hole. 4 . 4. An inner tension combination lock according to claim 1, characterized in that: the lock body includes a lock case, and the top of the lock case is provided with a see-through plate, and the see-through plate is aligned with the mating position of the pull buckle and the pull hook. 5 . The internally tightened combination lock according to claim 4 , wherein the see-through plate and the lock housing are engaged and fixed with each other. 5 . 6. A kind of inner tightening combination buckle lock according to claim 1, characterized in that: the locking assembly includes a combination wheel set and a lock plate, the lock plate is slidably installed on the bottom of the combination wheel set, and the lock plate is set There is a spring, and after the correct code is input by the password wheel set, the spring drives the lock plate to move, so that the lock plate drives the transmission part to move. 7. A combination lock with inner tension according to claim 6, characterized in that: the lock plate is provided with a V-shaped protrusion, and the transmission part is provided with a V-shaped groove. In the locked state, the protrusion The protrusion is embedded in the groove, and in the unlocked state, the protrusion moves out of the groove along the mutually matched inclined plane, so as to drive the transmission to move along the sliding direction perpendicular to the lock plate. 8. An internally tightened coded lock according to claim 7, characterized in that: the transmission part is provided with a relief groove, and the push-twist is provided with a limit column, and in the locked state, the limit column and the relief groove Staggered against the transmission part; in the unlocked state, the limit column aligns with the give way slot to make room for the push and twist displacement. 9. An internally tightened combination lock according to claim 8, characterized in that: there are two push-twists, and the two push-twists are respectively located on both sides of the transmission member. 10. An inner tension combination lock according to claim 8, characterized in that: the locking assembly also includes a key lock cylinder, the key lock cylinder is arranged on the top of the transmission part, after the key lock cylinder is inserted with the correct key , the key lock cylinder can be turned to drive the transmission part to move.