CN205306471U

CN205306471U - Prevent falling chair

Info

Publication number: CN205306471U
Application number: CN201620080605.0U
Authority: CN
Inventors: 涂澜露; 涂培坤; 林秀明
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-27
Filing date: 2016-01-27
Publication date: 2016-06-15
Anticipated expiration: 2026-01-27

Abstract

The utility model relates to the field of furniture, concretely relates to has the chair of preventing falling the function for one kind. A prevent falling chair which characterized in that: include the chair body and prevent falling the chair foot, the chair body include seat, the back of the chair and chair foot, this chair foot support that seat, the back of the chair are located on the seat and with favour the seat setting, prevent fall the chair foot including connecting on the chair body and parallel arrangement's two spinal branch vaulting poles, locating the connecting rod between two bracing pieces, but two bracing piece one end free swing ground are connected in the back of the chair back, the other end and are dangled naturally, length weak point in the chair foot of this bracing piece. The utility model provides a prevent falling chair utilizes the pendulum principle, prevents falling the automatic swing of chair foot and stretch out and support the bottom surface when the chair slopes, prevent that the user from sitting to topple over backward when facing upward to the hypsokinesis on the chair, and assurance user's safety, its practicality is strong, has positive social effect and economic benefits.

Description

A kind of shatter-resistant chair

Technical field

This utility model belongs to field of furniture, is specifically related to a kind of chair with shatter-resistant function.

Background technology

Existing, chair is widely used in all kinds of environment, and when groups of people are sitting on chair, custom retreats and faces upward, therefore the example causing crank and topple over backward is not within minority, and especially students in middle and primary schools like hind wing on chair, when falling down, brain spoon lands, it is easy to cause cerebral concussion abnormally dangerous.

For solving this problem, in prior art, the shatter-resistant pupil chair as disclosed in publication number 102920200A, by arranging one group of triangular supports after the chair back and chair foot, reduce damage when toppling over backward, people caused to a certain extent, situation about toppling over backward can not be avoided; The chair of a kind of falling-resistant as disclosed in notification number 204393882U, by extending back one section at chair foot, make this kind of chair possess certain shatter-resistant performance, but this technical scheme is higher to the space requirement at chair rear portion so that its adaptability is subject to certain restrictions.

Utility model content

The purpose of this utility model is for the deficiencies in the prior art, it is provided that the shatter-resistant chair that a kind of simple in construction is easy to use.

This utility model adopts the following technical scheme that a kind of shatter-resistant chair of offer, it is characterized in that: include chair body and anti-falling chair foot, described chair body includes seat, the chair back and chair foot, this chair foot supports seat, the chair back is located on seat and arranges with favouring seat, described anti-falling chair foot includes two support bars being connected in chair body and being arranged in parallel, the connecting rod being located between two support bars, described two support bar one end are connected to the chair back back side, the other end swingablely and naturally dangle, this support bar be shorter in length than chair foot.

Further, described anti-falling chair foot also includes improved mat, and this improved mat is arranged at the bottom surface of support bar, and this improved mat end face is adhesive surface, bottom surface is matsurface.

Further, the support bar of described anti-falling chair foot is expansion link, and this expansion link is provided with retention mechanism.

Further, described retention mechanism is hands the turn of the screw.

Further, the described chair back is provided with the ear for connecting anti-falling chair foot.

From above-mentioned to description of the present utility model, compared with prior art, the shatter-resistant chair that this utility model provides utilizes pendulum principle, when chair tilts, anti-falling chair foot automatic swing stretches out and props up bottom surface, prevent user from toppling over backward when being sitting on chair reclining backward, ensureing the safety of user, it is practical, has positive social meaning and economic benefit.

Accompanying drawing explanation

Fig. 1 is the side view of a kind of shatter-resistant chair of this utility model.

Fig. 2 is the rearview of a kind of shatter-resistant chair of this utility model.

Fig. 3 is view during a kind of shatter-resistant chair reclining backward of this utility model.

Detailed description of the invention

Below in conjunction with the embodiment in accompanying drawing, this utility model one shatter-resistant chair is described in further detail.

The structure of this kind of shatter-resistant chair is referring to shown in Fig. 1-Fig. 3, including chair body 1 and anti-falling chair foot 2, described chair body includes seat 11, the chair back 12 and chair foot 13, this chair foot 13 supports seat 11, the chair back 12 is located on seat 11 and arranges with favouring seat 11, and the chair back 12 is provided with the ear 121 for connecting anti-falling chair foot 2;

Anti-falling chair foot 2 includes support bar 21, connecting rod 22, improved mat 23, two support bars 21 are connected in chair body and are arranged in parallel, connecting rod 22 is located between two support bars 21, support bar 21 is the expansion link with fastening structure, described fastening structure is hands the turn of the screw 211, support bar 21 is connected to the ear 121 of the chair back 12 by rotating shaft 212 and keeps what nature dangled this support bar 21 to be shorter in length than chair foot, improved mat 23 is arranged at the bottom surface of support bar 21, and this improved mat 23 end face is adhesive surface, bottom surface is matsurface.

During use, first pass through hands the turn of the screw 21 and regulate the maximum changing the reclining backward of shatter-resistant chair, be then sitting in and change on shatter-resistant chair. When user reclining backward, anti-falling chair foot 2 continues to keep pendency due to action of gravity, when reclining is to the maximum preset backward, and anti-falling chair foot 2 and earth surface, provide for this shatter-resistant chair and support, it is prevented that user is toppled over backward.

Above are only a detailed description of the invention of the present utility model, but of the present utility model relate to conception and be not limited thereto, all changes utilizing this design that this utility model carries out unsubstantiality, the behavior invading this utility model protection domain all should be belonged to.

Claims

1. a shatter-resistant chair, it is characterized in that: include chair body and anti-falling chair foot, described chair body includes seat, the chair back and chair foot, this chair foot supports seat, the chair back is located on seat and arranges with favouring seat, described anti-falling chair foot includes two support bars being connected in chair body and being arranged in parallel, the connecting rod being located between two support bars, described two support bar one end are connected to the chair back back side, the other end swingablely and naturally dangle, this support bar be shorter in length than chair foot.

2. a kind of shatter-resistant chair according to claim 1, it is characterised in that: described anti-falling chair foot also includes improved mat, and this improved mat is arranged at the bottom surface of support bar, and this improved mat end face is adhesive surface, bottom surface is matsurface.

3. a kind of shatter-resistant chair according to claim 1 and 2, it is characterised in that: the support bar of described anti-falling chair foot is expansion link, and this expansion link is provided with retention mechanism.

4. a kind of shatter-resistant chair according to claim 3, it is characterised in that: described retention mechanism is hands the turn of the screw.

5. a kind of shatter-resistant chair according to claim 1, it is characterised in that: the described chair back is provided with the ear for connecting anti-falling chair foot.