CN205654278U

CN205654278U - Wind spring mounting structure of ceiling curtain

Info

Publication number: CN205654278U
Application number: CN201620346745.8U
Authority: CN
Inventors: 王芳明
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-22
Filing date: 2016-04-22
Publication date: 2016-10-19
Anticipated expiration: 2026-04-22

Abstract

The utility model discloses a wind spring mounting structure of ceiling curtain, include wind spring installation axle, overlap and establish at the epaxial wind spring of wind spring installation, suit roller, the curtain cloth of book on the roller on the wind spring, wind spring installation axle divide into two sections or multinodal telescope tube structure, and two sections or multisection telescope tube divide into rotatable initiative and follower, the one end of wind spring is connected with the initiative portion of wind spring installation axle, and the other end is connected with the follower of wind spring installation axle. The utility model discloses to install the axle and divide into two sections or multinodal telescope tube structure when the wind spring contract, the initiative portion that can drive the installation axle contracts, has avoided the friction of wind spring with the installation axle, makes the wind spring evenly contract, avoids the wind spring to appear the situation of deformation or inefficacy easily.

Description

A kind of wind spring mounting structure of ceiling blind

Technical field

This utility model relates to a kind of ceiling blind, is specifically related to the wind spring mounting structure of a kind of ceiling blind.

Background technology

Ceiling blind is mainly used in the shading system in terms of skylight, can be divided into reeling type sunshade curtain, collapsible ceiling blind, the convertible ceiling blind of blade etc. according to operation logic.Reeling type sunshade curtain is widely used because taking up room little after rolling, the structure of reeling type sunshade curtain generally comprises installation axle, sheathed wind spring on the mounting shaft, the roller being sleeved on wind spring, volume cord on roller, when cord stretches, wind spring rotating shrinking provides tightening force for cord, cord is made to be in straight condition, when the length of cord stretching is the biggest, it is the biggest that wind spring shrinks the length needing to take, thus cause when the width of cord is less, and the length that stretches bigger time, the length of wind spring has exceeded the width of cord, thus wind spring cannot be result in and cannot install, therefore the tensile elongation of cord receives the restriction of width.Although having part manufacturer to use to be stretched in advance by wind spring, the pitch making wind spring two adjacent rings increases, thus increase the mode of the contracted length of wind spring to increase the active length of wind spring, but in practice, find when wind spring shrinks, owing to wind spring exists friction with installing axle surface, the length that wind spring two ends are shunk is different, and the rolling amplitude of the rolling end of wind spring is big, and the fixing end group of wind spring does not the most receive certificate, in use for some time, wind spring is easily deformed or lost efficacy.

Summary of the invention

In order to overcome the deficiencies in the prior art, this utility model provides a kind of rational in infrastructure, wind spring mounting structure of sky curtain.

This utility model solves its technical problem and be the technical scheme is that

A kind of wind spring mounting structure of ceiling blind, including wind spring, axle, the wind spring being set on wind spring installation axle, the roller being sleeved on wind spring, volume cord on roller are installed, described wind spring is installed axle and is divided into the extension sleeve structure of two joints or more piece, two joints or multi-joint telescoping sleeve are divided into rotatable initiative part and follower, the initiative part that axle is installed with wind spring in one end of described wind spring is connected, and the follower that the other end installs axle with wind spring is connected.

In this utility model, the internal diameter of initiative part sleeve is more than the internal diameter of follower sleeve.

In this utility model, described wind spring is positioned at the pitch of initiative part part and is positioned at the pitch of follower part more than wind spring.

In this utility model, the pitch of wind spring incrementally increases along follower to initiative part direction.

The beneficial effects of the utility model are: this utility model is divided into the extension sleeve structure of two joints or more piece when wind spring shrinks by installing axle, the initiative part installing axle can be driven to shrink, avoid wind spring and the friction installing axle, make the wind spring can be with uniform shrinkage, it is to avoid deformation or the situation lost efficacy easily occurs in wind spring.Further, described wind spring is positioned at the pitch of initiative part part and is positioned at the pitch of follower part more than wind spring, the wind spring of initiative part part shrinks wind spring very fast, follower part and shrinks slower, by the adjustment of pitch, guarantee wind spring uniform shrinkage, compared with traditional ceiling blind, under equal cord width, cord length of the present utility model can be longer by more than 30% than traditional.

Accompanying drawing explanation

With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings:

Fig. 1 is the structural representation of the present embodiment；

Fig. 2 is the A-A direction cutaway view Amplified image of Fig. 1.

Detailed description of the invention

Referring to figs. 1 through Fig. 2, the wind spring mounting structure of a kind of ceiling blind that the present embodiment is provided, including wind spring, axle 1 is installed, it is set in wind spring and the wind spring 2 on axle 1 is installed, the roller 3 being sleeved on wind spring 2, volume cord on roller 3, described wind spring is installed axle 1 and is divided into the extension sleeve structure of two joints, two joint extension sleeves are divided into rotatable initiative part 11 and follower 12, the initiative part 11 that axle 1 is installed with wind spring in one end of described wind spring 2 is connected, the follower 12 that the other end installs axle 1 with wind spring is connected, in the present embodiment, described follower 12 is fixed on curtain base and does not rotates, when pulling cord, cord drives roller 3 and initiative part 11 to rotate, so that wind spring 2 carries out accumulation of energy.Certainly, herein, one end of described wind spring 2 can be directly anchored on curtain base, and follower 12 can rotate with initiative part 11, has identical technique effect.

As preferred embodiment, the internal diameter of initiative part 11 sleeve is more than the internal diameter of follower 12 sleeve, and initiative part 11 is set on follower 12, and owing to initiative part 11 stress is relatively big, large diameter can effectively extend the service life of product.Further, described wind spring 2 is positioned at the pitch of initiative part 11 part and is positioned at the pitch of follower 12 part more than wind spring 2, and optimum mode is that the pitch of wind spring 2 incrementally increases along follower 12 to initiative part 11 direction.Due to the wind spring 2 of initiative part part shrink comparatively fast, the wind spring 2 of follower part shrinks relatively slow, by the adjustment of pitch, it is ensured that wind spring uniform shrinkage.

The foregoing is only preferred embodiments of the present utility model, as long as realizing within the technical scheme of this utility model purpose broadly falls into protection domain of the present utility model with essentially identical means.

Claims

1. the wind spring mounting structure of a ceiling blind, including wind spring, axle (1) is installed, it is set in wind spring and the wind spring (2) on axle (1) is installed, the roller (3) being sleeved on wind spring (2), volume cord on roller (3), it is characterized in that: described wind spring is installed axle (1) and is divided into the extension sleeve structure of two joints or more piece, two joints or multi-joint telescoping sleeve are divided into rotatable initiative part (11) and follower (12), the initiative part (11) that axle (1) is installed with wind spring in one end of described wind spring (2) is connected, the follower (12) that the other end installs axle (1) with wind spring is connected.

The wind spring mounting structure of a kind of ceiling blind the most according to claim 1, it is characterised in that: the internal diameter of initiative part (11) sleeve is more than the internal diameter of follower (12) sleeve.

The wind spring mounting structure of a kind of ceiling blind the most according to claim 1 and 2, it is characterised in that: described wind spring (2) is positioned at the pitch of initiative part (11) part and is positioned at the pitch of follower (12) part more than wind spring (2).

The wind spring mounting structure of a kind of ceiling blind the most according to claim 1 and 2, it is characterised in that: the pitch of wind spring (2) incrementally increases along follower (12) to initiative part (11) direction.