CN2212628Y

CN2212628Y - Anti-colliding box for door lock catch

Info

Publication number: CN2212628Y
Application number: CN 94224347
Authority: CN
Inventors: 谢思成
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-07-24
Filing date: 1994-07-24
Publication date: 1995-11-15
Anticipated expiration: 2004-07-24

Abstract

The utility model relates to a novel lock catch box for a door, which can bear strong collision, and a wooden doorframe is free from damage. Small holes which penetrate through the inside and the outside of a door are drilled on the wooden doorframe. Penetrating screws pass through the holes. The indoor lock catch box and an outdoor cover plate are fixed by screw caps to enable the utility model to form a whole with the doorframe.

Description

Anti-colliding box for door lock catch

The utility model relates to a kind of door latch box device, can make door lock stand any collision and can not lose efficacy.

Existing various door lock after door is subjected to powerful the collision, all can break with the wooden doorframe of button box junction, causes door lock to lose efficacy, and the theft one's share of expenses for a joint undertaking can be seized the opportunity and enter the room.

The purpose of this utility model provides a kind of novel door lock button box, and it is connected with wooden doorframe with screw and nut, can resist the collision of any brute force, guarantees that doorframe can not damage, and has improved the safety of door lock greatly.

The purpose of this utility model is achieved in that and is drilled with on wooden doorframe wearing the inside and outside aperture of door, pass in the hole wearing screw, with screw and nut indoor button box and outdoor cover plate are fixed, just with doorframe, button box and cover plate by to wearing screw and nut is connected as a single entity.

Owing to adopted such scheme, advantage is when door is subjected to powerful the collision, act on impact force on the button box by nut, evenly pass on the whole doorframe, avoided wooden doorframe partial fracture to occur, reached and guarantee the purpose that door lock can not lose efficacy wearing screw and cover plate.

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is the principle schematic of being seen by button box dead bolt opening direction.

Fig. 2 is the schematic diagram of a kind of embodiment.

Fig. 3 is the A-A section of Fig. 2.

Fig. 4 is the B-B section of Fig. 3.

Among the figure 1, wooden doorframe

2, indoor

3, outdoor

4, button box

5, the dead bolt opening on the button box

6, cover plate

7, screw

8, nut

9, cover plate loam cake

10, cover plate base plate

11, button box lid

12, button box seat

13, the groove on the cover plate base plate

Fig. 1 is a basic principle schematic of the present utility model.

A kind of embodiment such as Fig. 2, Fig. 3 and shown in Figure 4, cover plate is made up of cover plate loam cake (9) and cover plate base plate (10), the cover plate loam cake does not have perforate above (9), have groove (13) on the cover plate base plate (10), the head of screw (7) can stretch in the groove (13), screw (7) passes the aperture on the doorframe, its other end is fastenedly connected with nut (8) and button box seat (12), with button box lid (11) button box seat (12) is covered then, available screw or other modes are connected between button box lid (11) and the button box seat (12).

Also available in addition basic principle of the present utility model is designed other embodiments different with Fig. 4.

Claims

A kind of anti-collision door latch box is made up of cover plate, screw, nut and button box, it is characterized in that: be fixed with the screw perpendicular to the cover plate face on outdoor cover plate, screw is by being fastenedly connected with nut being through at aperture on the wooden doorframe and indoor button box.