CN201106313Y - Lock core - Google Patents

Abstract

The utility model relates to a lock plug which comprises a lock body, a lock plug, an outer shell, a pin tumbler, a spring, a cross lock plug groove and a lock tongue, wherein, the rear end part of the lock plug is provided with a foreign matter discharging through hole which is communicated with the cross lock plug groove, thereby discharging foreign matters inside the lock plug groove out of the lock body and prevent the lock plug from being jammed. The lock plug has simple and reasonable structure and safe and reliable application and is especially suitable for outdoor paper box, mail box, electric appliance cabinet or switch cabinet, etc. and greatly improves the safety and the reliability of the paper box, the mail box, the electric appliance cabinet and the switch cabinet, etc.; the lock plug also has low cost and is easy to be popularized.

Description

A kind of lock core

Technical field

The utility model relates to a kind of lock core, is meant a kind of upward employed anti-clogging lock core such as case, mailbox that is suitable for reporting especially.

Background technology

In daily life; Shi Changhui runs into the situation that the core key is stopped up by foreign matters such as toothpick, splint, mud, sand; in case stopping up lock just can't open; and present employed lock core; particularly the key rear end of cross lock core is sealing; foreign matter has only from the preceding end hook of key, and has brought very big trouble and worry to the user.

At present, some clogging-resistant locks that occur on the market, it adopts and bores a deep hole in the lock body, put a joint spring in the hole, the spring top is gone up with antifouling key bottom and is connected, and vertically insert in the lock core keyhole at antifouling key top, and antifouling key can eject foreign matter outside the lock body automatically by the elastic force of beneath spring.It requires the good springiness of spring, and it is high that the endurance life of spring material is wanted, and volume is big, complex structure, and processing technology requires high, if spring follows the string or spring fracture because of excessive fatigue, will cause and can't discharge foreign matter in the lock, and it is unreliable to use.Particularly use cross lock core more and more widely, lock core is easy to be stopped up by foreign matter, and foreign matter stops up this problem of lock core, will bring very big trouble to the user.

Summary of the invention

The utility model provides a kind of simple and reasonable for structure, easy to use, reliable in order to solve the weak point that above-mentioned prior art exists, and the foreign matter in the lock core groove can be discharged the outer anti-clogging lock core of lock body.

For achieving the above object, the utility model adopts following scheme: a kind of lock core, comprise lock body, lock core, shell, pellet shot from a slingshot, spring, cross lock core groove, dead bolt, and the rearward end of described lock core is provided with the rejection thing through hole that connects with the cross lock core groove.

The utility model further is set to: the tail end of described lock core is provided with the dead bolt detent mechanism that detachably cooperates with lock core.

Described dead bolt detent mechanism is provided with external screw thread for the lock core tail end, and dead bolt is fixed on the lock core tail end by nut.

The beneficial effects of the utility model are: the utility model is provided with the rejection thing through hole that connects with the cross lock core groove by the rearward end at lock core compared with prior art, the foreign matter in the lock core groove can be discharged the outer anti-clogging lock core of lock body.It is simple and reasonable for structure, and is safe and reliable, is particularly useful for being installed on outdoor newspaper case, mailbox, Electric Appliance Cabinet or the switchboard using, and has improved the security reliability of its use greatly, and the cost cheapness, is easy to promote.

Below in conjunction with embodiment and accompanying drawing the utility model is further specified.

Description of drawings

Fig. 1 is the utility model example structure schematic diagram.

The specific embodiment

As shown in Figure 1, the utility model embodiment adopts a kind of lock core to comprise lock body 1, lock core 2, shell 3, pellet shot from a slingshot 4, spring 5, cross lock core groove 6, dead bolt 8, the rearward end of lock core 2 is provided with the rejection thing through hole 7 that connects with cross lock core groove 6, the lock core tail end is provided with external screw thread 10, dead bolt 8 is fastened on the lock core tail end by nut 9, can certainly dead bolt 8 be fixed on the lock core tail end by the detent mechanism of alternate manner, one slot for example is set on the lock core tail end, dead bolt is fixed on lock core 2 tail ends by inserted sheet.

When the utility model was in blocking, rejection thing through hole 10 connected, and at this moment cross lock core groove 6 is stopped up by foreign matter, as long as insert this key or other club just can not unblanked foreign matter discharge in the groove and do not influence.

Claims (3)

1, a kind of lock core comprises lock body, lock core, shell, pellet shot from a slingshot, spring, cross lock core groove, dead bolt, it is characterized in that: the rearward end of described lock core is provided with the rejection thing through hole that connects with the cross lock core groove.

2, lock core according to claim 1 is characterized in that: the tail end of described lock core is provided with the dead bolt detent mechanism that detachably cooperates with lock core.

3, lock core according to claim 2 is characterized in that: described dead bolt detent mechanism is provided with external screw thread for the lock core tail end, and dead bolt is fixed on the lock core tail end by nut.

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