CN203207578U

CN203207578U - Seat regulating mechanism

Info

Publication number: CN203207578U
Application number: CN 201320173693
Authority: CN
Inventors: 王珍妮
Original assignee: SHANGHAI JIADU INTERNATIONAL TRADE Co Ltd
Current assignee: SHANGHAI JIADU INTERNATIONAL TRADE Co Ltd
Priority date: 2013-04-09
Filing date: 2013-04-09
Publication date: 2013-09-25
Anticipated expiration: 2023-04-09

Abstract

The utility model relates to a seat regulating mechanism, aiming to provide a novel seat regulating mechanism which is capable of overcoming defects in the prior art and preventing the hand gripping hazard, and also is simple in structure and low in cost. The seat regulating mechanism comprises a shell and a boot-shaped regulating arm, wherein the shell comprises a front wall, a rear wall and a pair of side walls; a bottom wall extends from the edge of one side wall to the other side wall; a narrow seam is formed in the bottom of the shell; the front wall, the rear wall, the side walls and the bottom wall form a longitudinal slide groove in the shell; the slide groove is internally provided with at least two positioning structures; one curve section of the regulating arm is inserted into the slide groove, and the other section of the regulating arm extends out of the slide groove from the narrow seam in the bottom of the shell and is connected with a seat part; the end part, which is inserted into the slide groove, of the regulating arm is provided with a spacing pin extending above the bottom wall radially; the side edge of one section, which is inserted into the slide groove, of the regulating arm is provided with a concave part matched with a positioning structure in the slide groove.

Description

The seat support guiding mechanism

Technical field

The utility model relates to a kind of adjusting device, specifically, relates to the seat support guiding mechanism of a kind of adjustable chair or foldable chair.

Background technology

The seat support guiding mechanism is used for adjustable chair or foldable chair, can reach the location of as required adjustable chair being carried out differing tilt angles, also can be used for foldable chair, makes it easy to fold.But the seat support guiding mechanism of prior art, its occlusion structure that is used for the location exposes in whole guiding mechanism outside, folding at chair, launch or adjust angle in the risk of tong easily takes place, cause the user to suffer pain even wound.

The utility model content

The purpose of this utility model provides a kind of novel seat support guiding mechanism, can effectively overcome the deficiencies in the prior art part, avoids taking place the tong risk, and the while is simple in structure, cost is lower.

The purpose of this utility model is achieved in that

A kind of seat support guiding mechanism comprises:

One housing, described housing comprises: an antetheca, a rear wall, the parallel pair of sidewalls that is provided with between described antetheca and the rear wall, one diapire extends to another sidewall from a sidewall edge wherein, form a narrow slit in the bottom of described housing, described antetheca, rear wall, sidewall and diapire form a longitudinal sliding slot in described enclosure interior, in described sliding tray, be provided with at least two location structures, top at described housing, the formation installed surface that stretches out along the two side respectively is used for described housing is fixed on seat support handrail lower surface; And

One boot-shaped is adjusted arm, one section of described adjustment brachiocylloosis is inserted in the sliding tray, another section stretches out outside the sliding tray from the narrow slit of housing bottom and is connected with seat member, one section the end that described adjustment arm inserts in the sliding tray is provided with a spacer pin, described spacer pin radially extends to the diapire top, one section the side that described adjustment arm inserts in the sliding tray is provided with a recess, the location structure coupling in described recess and the described sliding tray.

Wherein, described location structure is latch, is located between the two side; Described installed surface is provided with installing hole, and described adjustment arm stretches out a section of housing and is provided with installing hole.

Further, on the rear wall of described housing, be provided with an opening, extend to the narrow slit place of housing bottom, described opening communicates with sliding tray, and when the adjustment arm moved to the sliding tray rear end, the arm body of described adjustment arm can partly embed in the described opening.

Wherein, the width of described sliding tray is slightly larger than the thickness of described adjustment arm, and preferably, the thickness difference of the width of described sliding tray and described adjustment arm is less than 6 millimeters.

Further, from described sliding tray location structure L length place foremost, be provided with a stop member, described L length is that the recess of described adjustment arm is to the distance of spacer pin.

Further, the rear end at described sliding tray is provided with a stop member.

The utility model is owing to adopted technique scheme, compared with prior art have following beneficial effect: the utility model is adjusted the acting in conjunction of arm by housing and boot-shaped, not only can carry out the location of differing tilt angles as required to seat support, and owing to the adjustment arm is arranged in the interior sliding tray of housing, be in one under the condition of relative closure, tong danger can not take place; The utility model is simple in structure simultaneously, and cost is lower.

Description of drawings

By following embodiments of the invention and description taken together with the accompanying drawings, other advantage of the present invention and feature are shown, this embodiment provides with the form of example, but is not limited to this, wherein:

Fig. 1 is the cross-sectional view of an embodiment of the utility model seat support guiding mechanism;

Fig. 2 is mounting structure schematic diagram embodiment illustrated in fig. 1;

Fig. 3 is that the utility model seat support guiding mechanism is installed in the overall schematic on the chair;

Fig. 4 is the structural representation of the adjustment arm of the utility model seat support guiding mechanism;

Fig. 5 is the side structure schematic diagram of adjustment arm shown in Figure 4;

Fig. 6 is the cross-sectional view (seeing from the bottom up) of middle shell embodiment illustrated in fig. 1;

Fig. 7 is another cross-sectional view (seeing from top to bottom) of middle shell embodiment illustrated in fig. 1;

Fig. 8 is adjustment arm mobile status schematic diagram embodiment illustrated in fig. 1;

A kind of view when Fig. 9 moves to the rear end for adjustment arm embodiment illustrated in fig. 1;

Figure 10 is the housing cross-sectional view of second embodiment of the utility model seat support guiding mechanism.

The specific embodiment

Seat support guiding mechanism 2 as shown in Figure 1 comprises: a housing 21 and a boot-shaped are adjusted arm 22.Wherein, housing 21 comprises (in conjunction with Fig. 6, shown in Figure 7): an antetheca 211, a rear wall 212, the parallel pair of sidewalls 213,214 that is provided with between antetheca 211 and the rear wall 212, one diapire 215 extends to another sidewall 214 from the edge of a sidewall 213 wherein, form a narrow slit 23 in the bottom of housing 21, antetheca 211, rear wall 212, sidewall 213,214 and diapire 215 at the housing 21 inner longitudinal sliding slots 24 that form, in sliding tray 24, be provided with three location structures---not shown among latch 216(Fig. 6, Fig. 7), be located between the two side 213,214.At the top of housing 21,213,214 stretch out and form installed surface 210 along the two side respectively, installed surface 210 is provided with installing hole 25, as Fig. 2, shown in Figure 3, housing 21 is fixed on the lower surface place of seat support 1 handrail by installing hole 25.In conjunction with Fig. 4, shown in Figure 5, boot-shaped is adjusted in one section insertion sliding tray 24 of arm 22 bendings, another section stretches out outside the sliding tray 24 from the narrow slit 23 of housing 21 bottoms, which is provided with installing hole 25, be used for being connected with seat support 1 parts, one section the ends of adjusting in the arm 22 insertion sliding trays 24 are provided with a spacer pin 221, and spacer pin 221 radially extends to diapire 215 tops, one section the sides of adjusting in the arm 22 insertion sliding trays 24 are provided with a recess 222, latch 216 couplings in recess 222 and the sliding tray 24.

During use, can will adjust arm 22 and in sliding tray 24, slide according to the demand to the seat support angle of inclination, as shown in Figure 8, can realize conveniently angle adjustment.

As a more excellent embodiment of the present utility model, in the present embodiment, on the rear wall 212 of housing 21, be provided with an opening 26, extend to narrow slit 23 places of housing 21 bottoms, opening 26 communicates with sliding tray 24, and when adjustment arm 22 moved to the rear end of sliding tray 24, the arm body of adjusting arm 22 can partly embed (as shown in Figure 9) in the opening 26.Further, from sliding tray 24 location structure L length place foremost, be provided with a stop member 217, L length is to adjust the recess 222 of arm 22 to the distance of spacer pin 221; Further, the rear end at sliding tray 24 is provided with a stop member 218.

Wherein, the width of sliding tray 24 is slightly larger than the thickness of adjusting arm 22, and preferably, the thickness difference of the width of sliding tray 24 and adjustment arm 22 is less than 6 millimeters.

As shown in figure 10, structural representation for the housing 21 of another embodiment seat support guiding mechanism of the present utility model, its structure and a last embodiment are basic identical, difference is, in the present embodiment, location structure---latch 216 arrange more than three, but five, the seat support angle of inclination difference that every adjacent two latches 216 are regulated is littler than a last embodiment, and the user can have more selection.Certainly, the utility model seat support guiding mechanism also can be designed to the location structure of two, four, six or other quantity.

Claims

1. a seat support guiding mechanism is characterized in that, comprising:

2. seat support guiding mechanism as claimed in claim 1, it is characterized in that: described location structure is latch, is located between the two side.

3. seat support guiding mechanism as claimed in claim 1, it is characterized in that: on the rear wall of described housing, be provided with an opening, extend to the narrow slit place of housing bottom, described opening communicates with sliding tray, when the adjustment arm moved to the sliding tray rear end, the arm body of described adjustment arm can partly embed in the described opening.

4. seat support guiding mechanism as claimed in claim 1, it is characterized in that: the width of described sliding tray is slightly larger than the thickness of described adjustment arm.

5. seat support guiding mechanism as claimed in claim 4, it is characterized in that: the thickness difference of the width of described sliding tray and described adjustment arm is less than 6 millimeters.

6. seat support guiding mechanism as claimed in claim 1, it is characterized in that: from described sliding tray location structure L length place foremost, be provided with a stop member, described L length is that the recess of described adjustment arm is to the distance of spacer pin.

7. seat support guiding mechanism as claimed in claim 1, it is characterized in that: the rear end at described sliding tray is provided with a stop member.

8. seat support guiding mechanism as claimed in claim 1, it is characterized in that: described installed surface is provided with installing hole.

9. seat support guiding mechanism as claimed in claim 1 is characterized in that: described adjustment arm stretches out a section of housing and is provided with installing hole.