CN201630708U

CN201630708U - Office chair armrest backward turning device

Info

Publication number: CN201630708U
Application number: CN2010200033619U
Authority: CN
Inventors: 蔡轩进
Original assignee: Fuh Shyan Co Ltd
Current assignee: Fuh Shyan Co Ltd
Priority date: 2010-01-12
Filing date: 2010-01-12
Publication date: 2010-11-17
Anticipated expiration: 2020-01-12

Abstract

The utility model relates to an office chair armrest backward turning device, wherein the upper end of an armrest supporting frame is fixedly provided with a limiting assembly; after being fixed by the combination of a positioning assembly and the limiting assembly, the armrests are pivoted and fixed between the positioning assembly and the limiting assembly; simultaneously, the armrests are provided with elastic jacking beads which can be embedded into a plurality of positioning holes arranged at the preset positions of the limiting assembly, and then, except for the capability of carrying out swinging adjustment of the left preset angle and the right preset angle, the armrests also can do 180-degree backward rotation and positioning, thus leading the armrests not to generate collision with a desk top plate after turning backwards, and being capable of pushing the seating part and chair legs of the chair to the position beneath a desk.

Description

Rotary device behind the office chair handrail

Technical field

The utility model relates to the device design of changeing behind a kind of office chair handrail, it also allows handrail rotate backward and to locate except handrail can be done the swing adjustment of different angles, and then makes the position of taking of chair tool be received and lean in the desk.

Background technology

About on the known office chair if when being provided with handrail, this handrail is to adopt machine-made design mostly, but also some design is to make handrail do highly stretch the adjustment of falling, even can also do the control that moves forward and backward or swing, its purpose is nothing but to allow the people of different height statures, can allow occupant's hand can obtain the best and comfortable support by the adjustability effect of handrail.

, no matter where the height of armrests position is adjusted to, and all can take place against touching with desktop, causes the chair tool can't push folding and unfolding under the desktop, and then causes the obstruction of space operation and in disorder.

The utility model content

The purpose of this utility model provides rotary device behind a kind of office chair handrail, the handrail of this chair tool can be done the adjustment of rotation backward, the superjacent air space that allows the chair tool take the position does not hinder, and then allow chair be pushed the beneath folding and unfolding of desk, bump because of supporting of its handrail and desktop thereby overcome known chair tool, and can't push away the beneath problem of income desktop.

For achieving the above object, rotary device behind the office chair handrail that the utility model provides is provided with a handrail that can change pendulum in the upper end of a handrail bracing frame, wherein:

This handrail bracing frame, its upper end sets firmly a limit assembly, is convexly equipped with a hinge portion in the middle of this limit assembly, and predetermined different angles position, both sides respectively is concaved with the positioning component of several locating holes before and after this upper end, hinge portion locking one its bottom surface;

This handrail, the axle pivot at the book office corresponding to positioning component, is provided with the elasticity decorative pearl on top of an official cap that can embed the set arbitrary locating hole of positioning component on the hinge portion of limit assembly, between positioning component.

Behind the described office chair handrail in the rotary device, the bottom end face book office of this handrail convexes with the stop section, be provided with the space of circling round in the outer peripheral edges predetermined angular range of limit assembly, and respectively be formed with the stop section at the two ends in this space of circling round, simultaneously can unroll in the space of circling round in the stop section of handrail, and its stop section can be subjected to the block of stop section and spacing.

The beneficial effects of the utility model are, by above-mentioned novel so that when making handrail protract except the swing adjustment that can carry out left and right sides predetermined angular, handrail can be done the rotation location of 180 degree backward, after making that handrail turns round, making handrail can not take place to support with desktop again bumps, what allow the chair tool takes position and chair pin, can be pushed under the desktop after, make the activity in space more abundant and neat.

Description of drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a handrail decomposing schematic representation one of the present utility model.

Fig. 3 is a handrail decomposing schematic representation two of the present utility model.

Fig. 4 is a handrail side sectional view of the present utility model.

Fig. 5 is the local enlarged diagram in A place of Fig. 4.

Fig. 6 is the schematic top plan view of the utility model handrail angle swinging.

Fig. 7 is the postrotational backward schematic diagram of the utility model handrail.

Fig. 8 is the local enlarged diagram in B place of Fig. 7.

1 handrail bracing frame among the figure, 2 handrails, 20 axis holes, 21 stop sections, 22 potholes, 3 limit assemblies, 31 hinge portions, 32 spaces of circling round, 33,34 stop sections, 4 positioning components, 40 locating holes, 5 springs, 6 decorative pearls on top of an official cap.

The specific embodiment

The technical solution of the utility model is: make the upper end of handrail bracing frame set firmly a limit assembly, and make handrail by combining of certain hyte part and limit assembly fixing after, allow handrail be fixed between positioning component and the limit assembly by pivot, handrail is provided with the elasticity decorative pearl on top of an official cap that can embed several set locating holes of limit assembly book office simultaneously.

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

See also Fig. 1 to shown in Figure 5, chair tool of the present utility model both sides respectively are provided with handrail bracing frame 1, and the handrail 2 that is provided with on by handrail lid 23 is set at the upper end of each handrail bracing frame 1, and the top end of this handrail bracing frame 1 sets firmly a limit assembly 3, and the centre of this limit assembly 3 is convexly equipped with a hinge portion 31, and make again in the outer peripheral edges predetermined angular range of limit assembly 3 and be provided with the space 32 of circling round, respectively be formed with

stop section

33,34 at the two ends in this space 32 of circling round simultaneously; In addition, the book office of the outside a little of the junction of this handrail 2 and handrail bracing frame 1, be convexly equipped with the stop section 21 that to stretch in this circles round space 32, and an axis hole 20 that can supply hinge portion 31 to pass through is established in the centre of junction, and lock together with certain hyte part 4 after making this hinge portion 31 pass through axis hole 20, and make handrail 2 between limit assembly 3 and positioning component 4, and then to make handrail 2 can be the motion that fulcrum is done rotation with hinge portion 31.

Again, the predetermined diverse location place of the front side, bottom surface of above-mentioned positioning component 4 and rear side respectively is concaved with locating hole 40, establish a pothole 22 on the positioning component 4 pairing handrails 2 simultaneously, and the spring 5 and the decorative pearl on top of an official cap 6 in this pothole 22, have been installed with in regular turn, enable upwards thrusting action by 5 pairs of decorative pearls on top of an official cap 6 of spring, the decorative pearl on top of an official cap 6 can flexibly be embedded in arbitrary locating hole 40, and then allow handrail 2 can rotation be located during to predetermined angle.

Please cooperate shown in Figure 6 again, under this handrail 2 protracts the normal state that uses, can inwardly or outwards swing, the decorative pearl on top of an official cap 6 can be embedded in the different locating hole 40, make handrail 2 be inside or outside deflected condition, and when handrail 2 was inwardly swung the location, its stop section 21 also just in time abutted to 33 places, stop section of limit assembly 3, continued inside rotation to prevent handrail 2; In addition, if handrail 2 is outwards done the rotation of 180 degree, its stop section 21 is except 34 places, stop section that also can be resisted against limit assembly 3, the decorative pearl on top of an official cap 6 can be embedded in the locating hole 40 of positioning component 4 rear sides, and then as Fig. 7, shown in Figure 8, after promptly allowing handrail 2 rotate backwards, the space that makes chair tool front side take the top, position can be vacated, and then allow take position and chair pin can be pushed into desktop under, make activity space to increase, and make the space neatly and not more in disorder.

Claims

1. rotary device behind the office chair handrail is provided with a handrail that can change pendulum in the upper end of a handrail bracing frame, it is characterized in that:

2. rotary device behind the office chair handrail according to claim 1, it is characterized in that: the bottom end face book office of this handrail convexes with the stop section, be provided with the space of circling round in the outer peripheral edges predetermined angular range of limit assembly, and respectively be formed with the stop section at the two ends in this space of circling round, simultaneously can unroll in the space of circling round in the stop section of handrail, and its stop section can be subjected to the block of stop section and spacing.