CN217400594U

CN217400594U - Lock for inward opening screen sash

Info

Publication number: CN217400594U
Application number: CN202123129379.0U
Authority: CN
Inventors: 杜阳宾; 贾焕利; 杜阳继; 李建; 潘庆旭
Original assignee: Shandong Zhenghua Construction Technology Co ltd
Current assignee: Shandong Zhenghua Construction Technology Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-09-09
Anticipated expiration: 2031-12-13

Abstract

The utility model provides an inner-opening screen sash lock, wherein a lock seat is arranged on a frame corresponding to the position of the lock; the lock is characterized in that the lock for the inward opening screen sash comprises a lock box, a lock tongue and a spring piece; a lock tongue is arranged in the lock box, two ends of the lock tongue respectively protrude out of the lock box, one end of the lock tongue is formed into a push button, and the other end of the lock tongue is formed into a lock point; spring piece mounting grooves are formed in two sides of the lock tongue, and spring pieces are mounted in the spring piece mounting grooves; and a spring leaf limiting groove is arranged at the corresponding position in the lock box. The lock tongue can slide up and down in the lock box and is fixed at the sliding end position by the spring piece. The utility model discloses a lock box structure installs in the section bar cavity, and surface and section bar face parallel and level, lock point are in the U type inslot that section bar itself has, and the installation is firm, uses smoothly, and the surface is neat, when the locking, has simultaneously and prevents taking off the function. The lock seat structure is matched with the fixed insert structure through the groove when being fixed, so that the connection is firm and the locking piece is never loosened.

Description

Lock for inward opening screen sash

Technical Field

The utility model belongs to the technical field of door and window five metals and accessory, specifically belong to interior division of screen window is with lock.

Background

In the prior art, the screen sash of a casement window is opened in various forms, which are roughly divided into the following forms:

(1) the rolling box type can be installed at the inner side and the outer side of the frame; the gauze has the hiding function. The defect is that only nylon gauze can be selected, and the function of preventing pickpocket is not provided;

(2) the built-in flat-open type window is fixedly installed between the internally-opened sash and the window frame, the third seal of the sash matched with the window frame can remove the sealing rubber strips due to the space occupied by the screen sash structure, and the sealing performance is greatly reduced.

(3) The external hanging inward opening type is characterized in that a screen frame with the same size is arranged at an opening of a sash of a window frame, the screen frame is an L-shaped end face, a screen sash is arranged in the screen frame, and a hinge is arranged to enable the screen sash to be arranged on the screen frame and to be horizontally opened inwards. The disadvantages are that: the screen sash and the screen frame are heavy in combination, and occupy space when being opened inwards, so that light transmission is influenced;

(4) the inward opening type window is arranged on an inner side window frame of the outward opening window, and the outward opening type window adopts an open hinge to enable the screen sash to rotate for 90 degrees for opening. The disadvantages are that: the hinge is exposed and not beautiful, the fixation is not firm, and the lock is not provided, and the anti-theft function is not provided.

In conclusion, the gauze fans used in the prior art have many defects, and still need to be developed by researchers in the field.

Disclosure of Invention

The invention provides a lock for an inward opening screen sash, which aims to achieve the purposes of safety, reliability and convenience in use.

The utility model provides an inner-opening screen sash lock, wherein a lock seat is arranged on a frame corresponding to the position of the lock; the lock is characterized in that the lock for the inward opening screen sash comprises a lock box, a lock tongue and a spring piece; a lock tongue is arranged in the lock box, two ends of the lock tongue respectively protrude out of the lock box, one end of the lock tongue is formed into a push button, and the other end of the lock tongue is formed into a lock point; spring piece mounting grooves are formed in two sides of the lock tongue, and spring pieces are mounted in the spring piece mounting grooves; and a spring leaf limiting groove is arranged at the corresponding position in the lock box.

The lock tongue can slide up and down in the lock box and is fixed at the sliding end position by the spring piece.

Furthermore, the lock box is divided into a left part and a right part, and the two parts are symmetrically arranged.

Furthermore, lock box two parts hookup location, both sides form the slide rail respectively around, are formed with the slide in the spring bolt, the slide cooperation is on the slide rail.

Furthermore, an arc-shaped elastic part is protruded in the middle of the spring piece.

Furthermore, the lock seat installation part is a cylinder with a groove, the cylinder is installed in the window frame in an extending mode, the fixed insert is installed on the installation part on the other side of the window frame, and the connection position is sealed and connected through the sealing piece.

Furthermore, the middle of the lock seat is provided with a notch, and the upper side and the lower side of the lock seat are provided with inner hooks.

Furthermore, the inner side of the inner hook is provided with a chamfer.

The utility model has the advantages that:

the utility model discloses a lock box structure installs in the section bar cavity, and surface and section bar face parallel and level, lock point are in the U type inslot that section bar itself has, and the installation is firm, uses smoothly, and the surface is neat, when the locking, has simultaneously and prevents taking off the function. The lock seat structure is matched with the fixed insert structure through the groove when being fixed, so that the connection is firm and the locking piece is never loosened.

When the screen window is used, the screen window is closed, the lock box is flush and close to the lock seat, the button is pushed, then the lock tongue slides downwards, at the moment, the L-shaped position of the lock tongue hooks the inner hook of the lock seat, and the spring piece acts to close and lock the screen window.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

FIG. 4 is a schematic view of the mounting structure of the middle lock seat of the present invention;

FIG. 5 is a schematic view of the structure of the middle lock seat of the present invention;

in the figure: the lock comprises a lock seat 1, a cylinder 1.1, a lock box 2, a spring piece limiting groove 2.1, a lock tongue 3, a push button 3.1, a lock point 3.2, a spring piece 4, a fixed insert 5 and a blocking piece 6.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments.

Referring to the attached drawings, the utility model provides an internal opening screen sash lock, wherein a lock seat 1 is arranged on a frame at the position corresponding to the lock; the lock is characterized in that the lock for the inward opening screen sash comprises a lock box 2, a lock tongue 3 and a spring leaf 4;

the lock box 2 is divided into a left part and a right part, and the two parts are symmetrically arranged.

A lock tongue 3 is arranged in the lock box 2, two ends of the lock tongue 3 respectively protrude out of the lock box 2, one end of the lock tongue is formed into a push button 3.1, the other end of the lock tongue is formed into a lock point 3.2, and the lock point 3.2 is L-shaped; when the locking point 3.2 is buckled on the lock seat 1, the locking is realized; spring piece mounting grooves are formed in two sides of the lock tongue 3, a spring piece 4 is mounted in each spring piece mounting groove, and an arc-shaped elastic part protrudes out of the middle of each spring piece 4; and a spring leaf limiting groove 2.1 is arranged at the corresponding position in the lock box 2.

The lock tongue 3 can slide up and down in the lock box 2 and is fixed at the sliding end position by the spring piece 4.

Two parts of the lock box 2 are connected, the front side and the rear side of the lock box are respectively formed into sliding rails, a sliding way is formed in the lock tongue 3, and the sliding way is matched on the sliding rails.

The installation part of the lock seat 1 is a cylinder 1.1 with a groove, the cylinder is installed in a window frame in an extending mode, the fixing insert 5 is installed on the installation part on the other side of the window frame, and the connection position is sealed and connected through the sealing piece 6. The lock seat 1 is provided with a notch in the middle and inner hooks at the upper and lower sides. The inner side of the inner hook is provided with a chamfer.

Claims

1. The inward-opening screen sash lock is characterized in that a lock seat is arranged on the frame at a position corresponding to the lock; the lock is characterized in that the lock for the inward opening screen sash comprises a lock box, a lock tongue and a spring piece; a lock tongue is arranged in the lock box, two ends of the lock tongue respectively protrude out of the lock box, one end of the lock tongue is formed into a push button, and the other end of the lock tongue is formed into a lock point; spring piece mounting grooves are formed in two sides of the lock tongue, and spring pieces are mounted in the spring piece mounting grooves; a spring leaf limiting groove is arranged at the corresponding position in the lock box,

2. The lock for inwardly opened screen sash according to claim 1, wherein the lock case is divided into a left part and a right part, and the two parts are symmetrically arranged.

3. The lock for inner sash according to claim 1, wherein the lock case is formed with slide rails at the front and rear sides at the connecting position of the two parts, and a slide rail is formed in the latch tongue and fitted to the slide rails.

4. The lock for inner sash according to claim 1, wherein an arc-shaped elastic portion is protruded in the middle of the spring plate.

5. The lock for inner opening screen sash according to claim 1, wherein the lock base mounting portion is a cylinder with a groove, and is installed in the window frame in an extending manner, and the fixing insert is installed on the mounting portion at the other side of the window frame, and the connecting position is blocked by the blocking member.

6. The lock for inward opening screen sash according to claim 1, wherein the lock base has a notch in the middle and inner hooks at the upper and lower sides.

7. The lock for inner sash window sash according to claim 6, wherein the inner hook is provided with a chamfer at an inner side thereof.