CN2134101Y - Angle adjuster of chair - Google Patents

Abstract

The utility model relates to an angle adjuster of a chair, which is arranged by matching between the arm rest of the chair and the top end of two foot racks to make the angle of the chair-back pivoted behind the back end of the arm rest adjustable. The utility model is characterized in that the top end of the two foot racks are provided with a pivot seat, and the bottom of the pivot seat is provided with a couple of pivot grooves arranged in parallel. When the upper end of the two foot racks respectively extend into the two pivot grooves to form overlaying shape, the pivot element passes through the pivot seat and the two foot racks to make the three parts pivoted into integration. In addition, an integrally forming salient on the top of the pivot seat is provided with a clamping part whose upper part is narrow and lower part is broad and which is clamped correspondingly with two columns of clamping teeth arranged at the bottom of both sides of the arm rest. When the arm rest moves front and back, the arm rest drives the chair-back pivoted at the back end to adjust the inclined angle.

Description

Angle adjuster of chair

The utility model relates to a kind of chair tool inclination angle adjusting device, particularly relates to a kind of facility, firm chair tool inclination angle adjusting device of structure assembled.

The comfort that general chair tool is stressed in design when being seating, therefore its primary demand should can be adjusted chair back angle of inclination when taking, and the structure of chair tool inclination angle adjustment in the past can be as shown in Figure 1, it is the arm rest of being located at the chair tool, this chair tool includes the seat support 91 and the chair back 92 that formation is pivoted, and cooperate pivot that bipod 93,94 is housed in seat support 91 bottoms, the chair back 92 is suitably highly located then to be pivoted mutually with a handrail 95 rear ends again, and above-mentioned chair tool inclination angle adjusting device, just be arranged between handrail 95 and bipod 93,94 tops, make the chair back 92 can do the adjustment at inclination angle.

Again as shown in Figure 2, be arranged at the inclination angle adjusting device between handrail 95 and bipod 93,94 tops, mainly be to be provided with pivot seat 96 on bipod 93,94 tops, these pivot seat 96 bottoms offer and form tunnel-shaped pivot groove 961, bipod 93,94 upper ends are then stretched the front and back ends that places pivot groove 961 respectively, are pivoted with rivet 962,963 riveted joints again; Other has a clamping block 97, and its lower end forms the opening shape and is cross-placed on outside, aforementioned pivot seat 96 upper end, and is pivoted with rivet 971 riveted joints; Handrail 95 bottom consecutive intervals are provided with row's latch 951 again, can be when mentioning handrail 95 front ends and make its whole forward and backward displacement action, be adjusted to the appropriate position, put down the front end that handrail 95 is raised again, just can fasten and be positioned at 951 of the adjacent in twos latches in handrail 95 bottoms by above-mentioned clamping block 97 correspondences; And because handrail 95 front and back actions can drive the chair back 92 that its rear end is pivoted, making the chair back 92 is that fulcrum is done the inclination of pivot pendulum with itself and seat support 91 pivot parts, reaches the effect of adjusting the chair back 92 inclinations angle by this.

Though generally speaking, above-mentioned chair tool inclination angle adjusting device roughly can reach the function of adjusting the chair back 92 angles of inclination, but because its pivot seat 96 is provided with three articulated sections, form pivot part with bipod 93,94 and clamping block 97 respectively, therefore assembling is comparatively numerous and diverse, and steadiness is relatively poor, causes pivot seat 96 damage of breaking easily, and the damage of latch 951 only by the latch 951 and clamping block 97 relative fixings of single-row setting, is also caused in the use easily in handrail 95 bottoms.

The chair tool inclination angle adjusting device that provides a kind of structure firm, easy to assembly is provided the purpose of this utility model.

The purpose of this utility model is realized by following technical scheme.

A kind of chair tool inclination angle adjusting device, it is to be equipped with between the handrail and bipod top of chair tool, make the chair back that is hubbed at armrest rear end can do the adjustment at inclination angle, it is characterized in that: the bipod top is provided with the pivot seat, pivot seat bottom offers a pair of pivot groove that is set up in parallel, bipod upper end is stretched respectively and is placed in this two pivots groove and form overlapping shape, passes the pivot seat with pivot connecting element with bipod three's pivot to be adorned one; In addition, pivot seat top is one-body molded to convex with fastening part wide at the top and narrow at the bottom, its with handrail in the set corresponding blocking of two row latches of two side bottoms.

Advantage of the present utility model and good effect are very tangible.Because its bipod top at the chair tool is provided with the pivot seat, this pivot seat bottom offers a pair of pivot groove that is set up in parallel, bipod upper end can be stretched respectively and place in this two pivots groove and when forming overlapping shape, pass pivot seat and bipod with pivot connecting element, and the organic pivot of three is dressed up one; In addition owing to one-body moldedly at pivot seat top convex with fastening part wide at the top and narrow at the bottom, and can with handrail in the set corresponding blocking of two row latches of two side bottoms; Therefore can be by driving the chair back that its rear end was pivoted and reach the effect of adjusting the chair back inclination angle during action before and after the handrail, its structure is firm, easy to assembly, is one creative and have a design of practical function.

Relevant the utility model is for reaching above-mentioned purpose, and the technological means that is adopted is enumerated preferred embodiment now, and conjunction with figs. details are as follows:

Fig. 1 is the solid combination schematic diagram of chair tool skeleton in the past.

Fig. 2 is the perspective exploded view of chair tool inclination pin adjusting device in the past.

Fig. 3 is that the utility model embodiment chair tool inclination angle adjusting device cooperates the solid combination schematic diagram that is installed on the chair tool.

Fig. 4 is that the utility model embodiment chair tool inclination angle adjusting device cooperates the perspective exploded view that is installed on the chair tool.

Fig. 5 is the use schematic diagram of the utility model embodiment chair tool inclination angle adjusting device.

Please consult Fig. 3 earlier, the chair tool oblique angle adjusting device that the utility model embodiment is provided is to be equipped with between the handrail 2 and bipod 31,32 tops of chair tool equally, makes the chair back 5 can do the adjustment at inclination angle.

Please consult Fig. 4 again, this is arranged at the inclination angle adjusting device between the chair back 5 and bipod 31,32 tops, is to be provided with two row latches 22 in handrail 2 two bottom sides; And be provided with pivot seat 1 on bipod 31,32 tops, this pivot seat 1 bottom offers a pair of formation tunnel-shaped pivot groove 11,12 arranged side by side, bipod 31,32 upper ends are then stretched respectively and are placed in this two pivots groove 11,12, form an outer overlapping shape in, be a rivet with pivot connecting element 6(at this again) pass pivot seat 1 and bipod 31,32, and three member pivots dress is one; In addition, pivot seat 1 is one-body molded at the top to convex with one wide at the top and narrow at the bottomly and slightly be the fastening part 13 of " T " shape moulding, can be fastened with the latch 22 of above-mentioned handrail 2 bottom suitable positions.

Again as shown in Figure 5, so operation of whole chair tool inclination angle adjusting device, can be when mentioning handrail 2 front ends and doing displacement action, be adjusted to the appropriate position and put down the front end that handrail 2 is raised, just can make simultaneously corresponding the fastening in fastening part 13 two ends at above-mentioned pivot seat 1 top be arranged in 22 of two pairs of adjacent latches of handrail 2 bottoms two row latches 22; And drive the chair back 5 that its rear end was pivoted when moving by handrail 2 front and back, making the chair back 5 is that fulcrum pivot pendulum tilts with itself and seat support 4 pivot parts, reaches the effect at the chair back 5 its inclinations angle of adjustment by this.

By present embodiment as can be known, the set two pivot grooves 11,12 in pivot seat 1 bottom are and are set up in parallel, therefore only need just bipod 31,32 pivots to be set the position with a pivot connecting element 6, and pivot seat 1 is the one-body molded fastening part 13 that goes out to supply blocking to use on the top, so need not install other members in addition, this not only makes structure comparatively firmly can effectively prolong its service life, and it forms member and assembling process is more reduced the number of with convenient; In addition, because handrail 2 bottoms are provided with two row latches 22, during therefore with the fastening part 13 corresponding blockings of pivot seat 1, significantly reduce the load of each latch 22, so can promote its durability.

Claims (1)

1, a kind of chair tool inclination angle adjusting device, it is to be equipped with between the handrail and bipod top of chair tool, make the chair back that is hubbed at armrest rear end can do the adjustment at inclination angle, it is characterized in that: the bipod top is provided with the pivot seat, pivot seat bottom offers a pair of pivot groove that is set up in parallel, bipod upper end is stretched respectively and is placed in this two pivots groove and form overlapping shape, passes the pivot seat with pivot connecting element with bipod three's pivot to be adorned one; In addition, pivot seat top is one-body molded to convex with fastening part wide at the top and narrow at the bottom, its with handrail in the set corresponding blocking of two row latches of two side bottoms.

Images