CN2681612Y - Chair with improved structure - Google Patents

Abstract

The utility model relates to a chair with improved structure, composed of a chair seat, a chair back and an adjusting device, which is equipped under a seat pad. The chair seat is composed of the seat pad and two holding frames, which are fixed on both sides of the seat pad. The chair is movably engaged between the holding frames, wherein, one end of both sides of the chair seat has a slant face, and an engine is equipped under the seat pad, and one end of both sides of the seat back is fixed on the slant face of the seat pad according to the engine. The adjusting device is composed of a track unit and a sliding panel, which is movably equipped in the track unit. One surface of the sliding panel is corresponded with the engine, and one end is fixed under the seat pad. Thereby, the chair can be adjusted to an angle suitable for a human body to sit by the back force of a sitter, so that the efficacy of comfortable sitting for the sitter can be realized.

Description

Structure improved chair tool

Technical field

The utility model relates to a kind of structure improved chair tool, refer to especially a kind of can be when taking, reach with the strength at user back and to adjust the chair tool in being fit to the angle that human body is taken, allow the user reach the comfortable effect of taking.

Background technology

The chair tool of general existing adjustable angle, it roughly is equipped with the tool fixed angle and is connected with one between a pair of foot rest the seat support and the chair back, this seat support leading edge is provided with that the declivity shape extends strides the pin frame, can stride on it for seating person's both feet, and each foot rest has one section base portion that can be butted on ground, and, all be provided with an armrest part in two support portion end faces again by two support portions that the base portion two ends up bend; Wherein, seat support and both sides, chair back junction are provided with a pair of cycloidal mechanism, and cycloidal mechanism includes each time:

One pendulum plate, its lower end and aforesaid seat support, chair back side set firmly one, and offer an axis hole and an arc groove in the upper end with nearly middle place, and this shaft hole sleeve is loaded on a support body that is installed on the above-mentioned armrest part, and making whole pendulum plate can be that axle is swung with the support body;

One clamping unit, the one end is provided with a knob, and in addition end passes earlier and is connected on the foot rest behind the fixed bar between two support portions, and the continuous arc groove both sides of passing and be located in the pendulum plate with the oscillator arc of restriction pendulum plate, and can be gripped pendulum plate location by screwing knob.

Though be somebody's turn to do " the chair tool of adjustable angle ", can for making the seat support and the chair back, axle do swing by support body to reach the angle of adjusting the chair tool, and utilize clamping unit to make adjusted seat support and chair back location, but because it is that this seat support and the chair back are made into one, and this chair tool there is no when adjusting angle and cooperates any buffer gear, therefore, when user's desire is done the adjustment of angle, this seat support and the chair back can be adjusted simultaneously, if user's undue force, this seat support and the chair back then can be toppled over suddenly simultaneously backward, and then cause danger; So it is required that general existing chair tool also can't realisticly use.

Summary of the invention

Main purpose of the present utility model is to overcome the deficiencies in the prior art and defective, a kind of structure improved chair tool is provided, can be when taking, reach with the strength at user back and to adjust the chair tool in being fit to the angle that human body is taken, allow the user reach the comfortable effect of taking.

In order to achieve the above object, the utility model provides a kind of structure improved chair tool, its by seat support, the activity with seat cushion and second-hand steady body be engaged in the chair back between second-hand steady body, and a guiding mechanism that is arranged at the seat cushion below constituted; And this hand steered support body is fixedly arranged on two sides of seat cushion respectively, and an ora terminalis of these seat cushion two sides has an inclined plane part respectively, and the below of this seat cushion is provided with a top supporting part; And this chair back activity is engaged between second-hand steady body, and pulls on the inclined plane part of this seat cushion in the corresponding respectively top of an end of these chair back two sides; And this guiding mechanism by a track groups, and a sliding panel that is movably set in the track groups constituted, this track groups is fixedly arranged between the second-hand steady body, and an end of sliding panel is fixedly arranged on the below of seat cushion, and the one side of this sliding panel is pulled with the corresponding top of top supporting part of seat cushion below; Thus, the user is taken on the seat cushion of this chair tool, and the chair back is imposed an external force, make the chair back promote the guiding mechanism of seat cushion below with the strength at its back, adjust the chair tool in being fit to the angle that human body is taken to reach, allow the user reach the comfortable effect of taking.

Description of drawings

Fig. 1 is a three-dimensional appearance schematic diagram of the present utility model;

Fig. 2 is a perspective exploded view of the present utility model;

Fig. 3 is the side view of the utility model seat cushion and guiding mechanism;

Fig. 4 is the rearview of the utility model guiding mechanism;

Fig. 5 is an operating state schematic diagram of the present utility model.

Symbol description among the figure

1 seat support, 11 seat cushions

111 inclined plane parts, 12 hand steered support bodys

121 side plates, 122 slotted holes

13 top supporting parts, 2 chair back

3 guiding mechanisms, 31 track groups

311 fixed parts, 312 fixed blocks

313 concave parts, 314 axostylus axostyles

315 baffle plates, 316 backstays

32 sliding panels

The specific embodiment

See also shown in Fig. 1～4, be the side view of three-dimensional appearance schematic diagram of the present utility model, perspective exploded view of the present utility model, the utility model seat cushion and guiding mechanism and the rearview of the utility model guiding mechanism.As shown in the figure, the utility model is a kind of structure improved chair tool, and it is made of a seat support 1, a chair back 2 and a guiding mechanism 3, can be when taking, strength with the user back reaches adjustment chair tool in being fit to the angle that human body is taken, and allows the user reach the comfortable effect of taking.

The above-mentioned seat support of carrying 1 by a seat cushion 11, and the hand steered support body 12 that is fixedly arranged on seat cushion 11 2 sides respectively constituted, and an ora terminalis of these seat cushion 11 2 sides has an inclined plane part 111 respectively, and the below of this seat cushion 11 is provided with a top supporting part 13, and this top supporting part 13 has an inclined plane, and have side plate 121 in the appropriate location of this hand steered support body 12, and the top of this side plate 121 has a slotted hole 122;

These chair back 2 activities are engaged between the above-mentioned second-hand steady body 12, and pull on the inclined plane part 111 of this seat cushion 11 in the corresponding respectively top of an ora terminalis of these chair back 2 two sides, and this chair back 2 is with second-hand steady body 12 movable engage of a pivot 21 with seat support 1, and two sides of this chair back 2 have part to be exposed in the slotted hole 122 of hand steered support body 12, so that this chair back 2 can not crush the user when the adjustment of seat angle;

This guiding mechanism 3 is arranged at seat cushion 11 belows of above-mentioned seat support 1, and this guiding mechanism 3 is by a track groups 31, and a sliding panel 32 that is movably set in the track groups 31 constitutes, the track groups 31 of this guiding mechanism 3 comprises: a fixed part 311, two are arranged at the fixed block 312 of fixed part 311 1 end faces respectively, and two the concave part 313 that is arranged at 312 of fixed blocks respectively constitute, and be equipped with an axostylus axostyle 314 on this two fixed block 312 and the concave part 313, can make this fixed part 3 11 be fixedly arranged on 12 of the second-hand steady bodies of seat support 1, and this sliding panel 32 is movably set between two concave parts 313, and an end of this sliding panel 32 is fixedly arranged on the below of seat cushion 11, and the one side of this sliding panel 32 is pulled with the top supporting part 13 corresponding tops of seat cushion 11 belows, in addition wherein a fixed block 312 and 313 of concave parts can be provided with a baffle plate 315 in this, and be equipped with an end on this fixed block 312 and push up the backstay 316 of pulling on baffle plate 312, and the other end of this backstay 316 exposes on the side plate 121 of proficiency steady body 12; So, constitute a brand-new structure improved chair tool by above-mentioned structure.

See also shown in Figure 5ly, be operating state schematic diagram of the present utility model.As shown in the figure, when the utility model when using, this user takes earlier on the seat cushion 11 of seat support 1, when person's desire to be used adjusts to the angle of this chair back 2 and seat support 1, the user only must impose an external force to this chair back 2 with the strength at its back, this chair back 2 is toppled in 12 summaries of second-hand steady body backward by pivot 21, and allow an ora terminalis of these chair back 1 two sides promote the inclined plane part 111 of this corresponding with it seat cushion 11, the affixed sliding panel 32 in this moment this end and seat cushion 11 belows is understood in the top supporting part 13 of the below that cooperates this seat cushion 11, and this sliding panel 32 is upwards slided in 313 summaries of two concave parts, and then drive this seat cushion 11 and slightly move up, when waiting the angle adjusted for the required angle of user, rotate the backstay 316 on this side plate 121 that exposes to proficiency steady body 12 again, pulled on baffle plate 315 in the one end top of this backstay 316, and make this baffle plate 315 be packed in this wherein concave part 313, make of the direction clamping of this concave part 313 toward sliding panel 32, and then sliding panel 32 is located by concave part 313 clampings, and allow the chair back 2 and seat support 1 be fixed in the required angle of user, allow the user reach the comfortable effect of taking.

And when user's desire is adjusted into original angle with this chair back 2 and seat support 1, only need rotate the backstay 316 on this side plate 121 that exposes to proficiency steady body 12, one end of this backstay 316 is left on baffle plate 315, make no longer this sliding panel 32 of clamping of this concave part 313, again this seat cushion 11 is imposed an external force afterwards, make this sliding panel 32 in 313 of two concave parts to lower slider, and the inclined plane part 111 that makes this seat cushion 1 promotes an ora terminalis of these chair back 2 two sides, make this chair back 2 homing forward, so, this chair back 2 and seat support 1 can be adjusted into original angle.

The above only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this; So all simple equivalent of doing according to the utility model claims scope and description change and modify, all should still belong in the scope that the utility model patent contains.

Claims (5)

1. a structure improved chair tool is characterized in that, comprising:

One seat support, this seat support by a seat cushion, and the hand steered support body that is fixedly arranged on seat cushion two sides respectively constituted, and an ora terminalis of these seat cushion two sides has an inclined plane part respectively, and the below of this seat cushion is provided with a top supporting part, and has side plate in the appropriate location of this hand steered support body;

One chair back, this chair back activity are engaged between the above-mentioned second-hand steady body, and pull on the inclined plane part of this seat cushion in the corresponding respectively top of an ora terminalis of these chair back two sides;

One guiding mechanism, this guiding mechanism is arranged at the seat cushion below of above-mentioned seat support, and this guiding mechanism by a track groups, and a sliding panel that is movably set in the track groups constituted, this track groups is fixedly arranged between the second-hand steady body, and an end of sliding panel is fixedly arranged on the below of seat cushion, and the one side of this sliding panel is pulled with the corresponding top of top supporting part of seat cushion below.

2. structure improved chair tool as claimed in claim 1, wherein, this top supporting part has an inclined plane.

3. structure improved chair tool as claimed in claim 1, wherein, this chair back engages with the second-hand steady body of seat support is movable with a pivot.

4. structure improved chair tool as claimed in claim 1, wherein, the track groups of this guiding mechanism comprises: a fixed part, two is arranged at the concave part that the fixed block and two of fixed part one end face is arranged at respectively between fixed block respectively and constitutes, and be equipped with an axostylus axostyle on this two fixed block and the concave part, this fixed part is fixedly arranged between the second-hand steady body of seat support, and this sliding panel is movably set between two concave parts.

5. structure improved chair tool as claimed in claim 4, wherein, this wherein can be provided with a baffle plate between a fixed block and concave part, and is equipped with pull backstay on baffle plate of end top on this fixed block, and the other end of this backstay exposes on the side plate of steady body on the other hand.

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