CN2514079Y

CN2514079Y - Safety window lock

Info

Publication number: CN2514079Y
Application number: CN 01258193
Authority: CN
Inventors: 刘志刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-11-23
Filing date: 2001-11-23
Publication date: 2002-10-02
Anticipated expiration: 2011-11-23

Abstract

The utility model discloses a window lock with a safety device, which includes a lock seat fixed on a window frame, a gripe hinged on the lock seat and a safety device, and wherein, the safety device consists of a sliding block sliding in the chute of the gripe and a pressing spring installed between the rear part of the sliding block and the chute. The sliding block is connected with a sliding key outside the chute, and a stopping head arranged on the head of the sliding block matches the stopping block fixed on the lock seat and can block the rotation of the gripe on the lock seat. The utility model has the advantages of simple structure, convenient maintenance and reliable operation.

Description

The sash lock of band insurance

Technical field

The utility model relates to a kind of window element, especially a kind of sash lock that is installed in the band insurance on the aluminum window.

Background technology

Usually the sash lock that is installed on the aluminum window adopts lever construction and torsion spring to realize function, does not have safeties, is opened by sledge than being easier to, and safety is relatively poor.Also by by being fixed on lock on the window frame, being hinged on the sash lock that handle on the lock and safeties etc. are formed, its safeties complex structure, the higher and inconvenient maintenance of cost.

Summary of the invention

The purpose of this utility model is the sash lock for the band insurance that a kind of simple in structure, reliable operation is provided and is convenient to keep in repair.

Main technical schemes of the present utility model is: this sash lock comprises the lock that can be fixed on the window frame, is hinged on handle and safeties on the lock, these safeties are by the slide block that can slide in the chute of handle and be installed in slider tail and become with compression spring set between the chute, slide block links to each other with chute feather key outward, slider head has the retaining head, block on keeping off head and being fixed on lock cooperates, and can stop the rotation of handle on lock.

In the normal state, the compression spring heads on slide block, and the retaining head of slider head is cooperated with block on being fixed on lock, stops the rotation of handle on lock, and sash lock is in lockup state; If stir feather key, the pressure that makes slide block overcome the compression spring retreats, and the retaining head withdraws from the state that cooperates with block thereupon, the rotation that handle just can be on lock.Simple in structure, the reliable operation of the utility model.

Description of drawings

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

Fig. 1 is the structural representation of an embodiment of the utility model;

Fig. 2 is the A-A sectional view of Fig. 1.

The specific embodiment

As shown in Figure 1 and Figure 2, present embodiment comprises the lock 1 that can be fixed on the window frame, is hinged on handle 2 and safeties on the lock 1, it is characterized in that: safeties are made up of slide block 3 that can slide in the chute 21 of handle 2 and the compression spring 4 that is installed between slide block 3 afterbodys and the chute 21, slide block 3 links to each other with chute 21 feather key 5 outward, slide block 3 heads have retaining 31, retaining 31 cooperates with block 6 on being fixed on lock 1, can stop the rotation of handle 2 on lock 1.

Claims

1, a kind of sash lock with insurance, comprise the lock (1) that can be fixed on the window frame, be hinged on handle (2) and safeties on the lock (1), it is characterized in that: safeties by the slide block (3) that can in the chute (21) of handle (2), slide and be installed in slide block (3) afterbody and chute (21) between compression spring (4) form, slide block (3) links to each other with chute (21) feather key (5) outward, slide block (3) head has retaining head (31), retaining head (31) cooperates with block (6) on being fixed on lock (1), can stop the rotation of handle (2) on lock (1).