CN2646302Y - Lock core dust cap apparatus of lock - Google Patents

Abstract

The utility model relates a lock core dust cap apparatus and is particularly suitable for U-shaped locks or steel cable locks wherein a core hole and a lock body are not homocentric. The aim of the utility model is to solve the problem that the appearance of the lock body lack of harmony and is susceptible to fall off from the lock body, which exists in the lock core dust cap apparatus of the prior U-shaped lock or the steel cable lock. The utility model adopts the technical proposal as follows: the lock core dust cap apparatus comprises a cover plate arranged at the lock core hole of the shell of the lock body, the cover plate is in rotary connection with the shell of the lock body so as to become the end of the lock shell body; a hole, with the dimension corresponding to that of the lock core hole, is arranged on a position corresponding to that of the lock core hole on the cover plate. Compared with the prior lock core dust cap apparatus of the U-shaped lock or the steel cable lock, the utility model has the advantages that the utility model is in rotary connection with the lock body shell and is not susceptible to fall off from the lock body, thereby the appearance is more harmonious with firm mechanism, good water-and-dust-proof, performance, and convenient use.

Description

The lock core dust-proof cover device of lock

Affiliated technical field

The utility model relates to a kind of lock core dust-proof cover device of lock, and it is specially adapted to the U-shape lock or the steel cable lock of lock core hole and lock body decentraction, and it is arranged on lock body lock core hole place.

Background technology

Common U-shape lock that is used for bicycle or motorcycle or steel cable lock, lock body part is wrapped up by plastic casing, and the place is provided with dust-proof cover device at the plastic casing lock core hole, enters lock core to prevent dust, rainwater.The structure of dust-proof cover device has cover-lifting type, slide rail type and piston type etc. multiple.The shortcoming of cover-lifting type dust-proof cover device is: in use, it easily comes off; The shortcoming of slide rail type dust-proof cover device is: when lock was opened, it protruded in lock plastic casing periphery, easily be hooked to its thing, and outward appearance is inharmonious; The piston type dust-proof cover device is owing to be that the snare band is connected with plastic casing, and its shortcoming is: connecting band is easily broken, and causes to come off.

Summary of the invention

The utility model is the problem inharmonious with the lock body outward appearance, that easily come off from lock body that will solve existing U-shape lock or the existence of steel cable lock lock core dust-proof cover device technology.For addressing these problems, the utility model adopts following technical scheme: a kind of lock core dust-proof cover device of lock, comprise cover plate, cover plate is arranged on lock body shell lock core hole place, cover plate becomes to be rotatably connected with the lock body shell and becomes the end of lock body shell, on the cover board with the corresponding position of lock core hole a size and the corresponding hole of lock core hole is arranged.Like this, the utility model is applied on the U-shape lock or steel cable lock of lock core hole and lock body decentraction, rotation cover just can cover or expose lock core.Therefore, the utility model is compared with existing U-shape lock or steel cable lock lock core dust-proof cover device, it

Fig. 1 is the utility model (being applied to steel cable lock) structural representation.

Fig. 2 has used steel cable lock lock core hole of the present utility model to be exposed state diagram.

Fig. 3 has used steel cable lock lock core hole crested state diagram of the present utility model.

Introduce the utility model embodiment below in conjunction with accompanying drawing.

Be applied to the lock core dust-proof cover device of the utility model lock on the steel cable lock as shown in Figure 1, it comprises cover plate 1, cover plate 1 is rotatably connected for 2 one-tenth with the lock body shell, and become the end of lock body shell 2, on cover plate 1, a size and the corresponding hole 1-1 of lock core hole 2-1 are arranged with the corresponding position of lock core hole 2-1.Cover plate 1 inside wall is provided with grab 3, is provided with groove 4 on the lock body side wall of outer shell, and grab 3 matches with groove 4, and being rotatably connected between cover plate 1 and lock body shell 2 shapes becomes the hook groove and be connected.

As shown in Figure 2, used the steel cable lock of the lock core dust-proof cover device of the utility model lock, it is in lock core hole crested state.As shown in Figure 3, used the steel cable lock of the lock core dust-proof cover device of the utility model lock, it is in lock core hole and is exposed state.

Claims (2)

1. the lock core dust-proof cover device of a lock, comprise cover plate, cover plate is arranged on lock body shell lock core hole place, it is characterized in that: cover plate becomes to be rotatably connected with the lock body shell, and become the end of lock body shell, on the cover board a size and the corresponding hole of lock core hole are arranged with the corresponding position of lock core hole.

2. lock core dust-proof cover device according to claim 1 is characterized in that: the cover plate inside wall is provided with grab, is provided with groove on the lock body side wall of outer shell, and cover plate forms the hook groove with the lock body shell and is connected.

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