CN215271599U

CN215271599U - Adjustable single chair

Info

Publication number: CN215271599U
Application number: CN202121554465.3U
Authority: CN
Inventors: 徐科学; 陆志强; 钟智伟
Original assignee: Jiaxing Saide Furniture Co ltd
Current assignee: Jiaxing Saide Furniture Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-24
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses an adjustable single chair relates to chair technical field, aims at present chair elevation angle adjustment inconvenient problem, and its technical scheme main points are: the adjustable chair comprises a chair frame, a chair back and a telescopic air rod, wherein the middle-lower position of the chair back is hinged to the chair frame, an outer pipe of the air rod is hinged to the lower end of the chair back, the inner pipe end of the air rod is fixedly connected with a hinged frame, the hinged frame is hinged to the lower portion of the chair frame through a rotating shaft, an adjusting frame is rotatably connected onto the hinged frame and comprises an adjusting surface facing to an air core at the upper end of an inner pipe of the air rod, an adjusting block used for abutting against the air core is arranged on the adjusting surface, an inclined surface abutting against the air core is arranged on the adjusting block, and the adjusting block can be adjusted in a sliding mode along the adjusting surface and is used for adjusting the height abutting against the air core and the adjusting surface. The utility model discloses be convenient for adjust the angle of elevation of the back of the chair, improve the use convenience of chair.

Description

Adjustable single chair

Technical Field

The utility model relates to a chair technical field, more specifically say, it relates to an adjustable single chair.

Background

The chair is a daily-life furniture, and a movably adjustable structure is often adopted to increase the comfort of the chair. Most of the conventional chairs have the lifting adjusting function, a telescopic air rod is adopted for supporting, and the telescopic control of the air rod can be realized by pressing an air core on the air rod; compared with the lifting of a chair, the chair back adjusting function is relatively poor, the current adjusting chair usually adopts a hinged chair back to match with a supporting rod for adjustment, one end of the supporting rod is hinged with the chair back, and the other end of the supporting rod is switched to the position between the chair frame through different gears, so that the chair back elevation amplitude of the adjusting chair is controlled; however, due to the limitation of gears, the chair back can only be adjusted at a plurality of fixed angles, and the adjusting effect of the adjusting chair is limited to a certain extent.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjustable single chair for solving the problems, which is convenient for adjusting the elevation angle of the chair back and improves the use convenience of the chair.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an adjustable single chair, includes chair frame, the back of the chair and telescopic gas pole, the well lower position of the back of the chair is articulated with the chair frame, the outer tube of gas pole articulates in the lower extreme of the back of the chair, and the interior pipe tip fixedly connected with of gas pole articulates the frame, it articulates in the lower part of chair frame through the pivot to articulate the frame, it is connected with the alignment jig to rotate on the articulated frame, the alignment jig includes the orientation the regulating surface of gas core in gas pole inner tube upper end, be provided with on the regulating surface and be used for supporting the pressure the regulating block of gas core, set up the inclined plane that offsets with the gas core on the regulating block, the regulating block can follow regulating surface slide adjusting for adjust and support the height of pressing between gas core and regulating surface.

By adopting the technical scheme, the chair frame and the chair back are connected by adopting a hinged structure, and the inclination amplitude of the chair back is adjusted by the telescopic air rod at the lower end, so that the inclination angle can be conveniently adjusted and can be adjusted at will within the inclination amplitude range; the gas core of inner tube is pressed through adopting rotatable alignment jig to the flexible of control gas pole sets up slidable regulation's regulating block on the control surface of alignment jig, and combine offset between the inclined plane of slope on the regulating block and the gas core, can change the support between regulating block and gas core and the control surface through sliding and press the height, thereby can ensure that the regulating block can offset all the time with between the gas core, ensure to press stability and the sensitive degree of regulation to the gas core.

The utility model discloses further set up to, be close to the position fixedly connected with regulation seat of regulating block on the regulating surface, threaded connection has the bolt on the regulation seat, the one end of bolt is rotated and is connected in the regulating block to realize the axial restriction through the connection bulge loop on the bolt.

Through adopting above-mentioned technical scheme, connect the regulating block through the bolt, rotate the bolt through the screw thread, the bolt can realize flexible along adjusting the seat, and then drives the regulating block and remove between gas core and regulation face, keeps the inclined plane to offset with the gas core all the time to can be in the steady production press control to the gas core of regulating bracket rotation process, be convenient for adjust the gas pole.

The utility model discloses further set up to, one side of regulating block orientation regulation face is provided with two sliders, seted up on the regulation face with the spout of slider adaptation, the direction of spout with the direction of bolt is unanimous, slider sliding connection in the spout.

Through adopting above-mentioned technical scheme, through setting up the slider and the spout of mutual adaptation, can lead to the sliding adjustment of regulating block to improve the stability of regulating block, and can play the effect of auxiliary stay after the regulating block position is confirmed, reduce the atress of bolt, improve the stability of regulating block position control.

The utility model discloses further set up to, the slider runs through spout and fixedly connected with stopper.

Through adopting above-mentioned technical scheme, through setting up the stopper, stopper and regulating block are located the both ends position of slider respectively, carry on spacingly to the position of slider respectively from both sides to the interval of stopper and regulating block is a bit bigger than the thickness that this spout corresponds, can further keep the stability of regulating block.

The utility model discloses further set up as, the sphere form of the tip of gas core.

Through adopting above-mentioned technical scheme, the structure of sphere form can make the tip of gas core and the regulating block between the relatively stable support of pressing, at the alignment jig rotation in-process, the position of the counterbalance between the tip of regulating block and gas core will produce the change of certain angle, the structure of sphere form then can ensure that whole process of pressing is in relatively stable state all the time.

The utility model discloses further set up to, the alignment jig deviates from one side of gas core with the pivot offsets.

Through adopting above-mentioned technical scheme, restrict the position of alignment jig through the pivot, alignment jig one side receives the support of alignment jig and presses, and the opposite side receives the support that comes from the gas core and presses, can limit whole alignment jig and fixed position to can be through the position control of regulating block, the both sides that keep the alignment jig receive the pressure that supports of removal all the time, keep the stability of alignment jig, avoid producing and rock and send the noise of collision.

The utility model discloses further set up to, still include floodgate line and switch, the switch sets up in the lower part of chair frame, be connected through the floodgate line between switch and the alignment jig.

Through adopting above-mentioned technical scheme, control the rotation of alignment jig through the floodgate line, can be convenient for control the regulation to the gas pole with the switch installation and the optional position of opposite side.

The utility model discloses further set up to, the switch includes mount pad and spanner, the spanner articulates in the mount pad, the connecting block at floodgate line both ends set up respectively in the mount pad with the connection of alignment jig lower extreme is colluded, the spool of floodgate line is fixed in between articulated frame and the mount pad.

Through adopting above-mentioned technical scheme, the spool through the brake cable is as supporting, can stretch the brake cable through the spanner of switch to drive the alignment jig action, need not the direct control alignment jig, be convenient for adjust the alignment jig.

To sum up, the utility model discloses following beneficial effect has:

the air rod is adopted to adjust the hinged chair frame and the chair back, so that the stability of the chair back in the rotation adjusting process can be improved, and the adjusting and fixed angle position is increased; the movable adjusting block on the adjusting frame can keep the pressing stability and sensitivity between the adjusting frame and the gas core of the gas rod, and the position of the adjusting frame is limited by the rotating shaft, so that the stability of the adjusting frame can be kept, and the noise of collision caused by the shaking of the adjusting frame is reduced; can carry out remote control to the alignment jig through floodgate line and switch and adjust to be convenient for control the flexible of gas pole.

Drawings

FIG. 1 is a first perspective view of an adjustable single chair according to the present invention;

FIG. 2 is a second perspective view of an adjustable single chair according to the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a side view of an adjustable single chair according to the present invention;

fig. 5 is a schematic structural view of the hinge mechanism of the present invention;

FIG. 6 is an enlarged view of FIG. 5 at B;

fig. 7 is a schematic structural diagram of the switch of the present invention.

Reference numerals: 1. a chair frame; 2. a chair back; 201. a lower end; 3. a gas lever; 301. an outer tube; 302. an inner tube; 303. a gas core; 4. a switch; 401. a mounting seat; 402. a wrench; 5. a hinge mechanism; 500. a rotating shaft; 501. a hinged frame; 502. an adjusting bracket; 503. adjusting the surface; 504. a connecting hook; 505. an adjusting block; 506. a bevel; 507. an adjusting seat; 508. a bolt; 509. a connecting convex ring; 510. a chute; 511. a slider; 512. a limiting block; 6. a brake cable; 601. a conduit; 602. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, an adjustable single chair comprises a chair frame 1, a chair back 2 and a telescopic air rod 3, wherein the middle-lower position of the chair back 2 is hinged with the chair frame 1 to form a rotatable and adjustable structure; the outer pipe 301 of the air rod 3 is hinged to the lower end 201 of the chair back 2, the inner pipe 302 of the air rod 3 can stretch, and the air rod 3 can be adjusted by pressing the air core 303 at the end part of the inner pipe 302; the end part of the inner tube 302 of the air rod 3 is connected with the front side of the lower part of the chair frame 1 through a hinge mechanism 5; the hinge mechanism 5 is characterized in that a hinge frame 501 is taken as a main body, the hinge frame 501 is fixedly arranged on an inner pipe 302 of the air rod 3, the hinge frame 501 is hinged to the lower part of the chair frame 1 through a rotating shaft 500 to form a hinge, the elevation angle of the chair back 2 can be adjusted by adjusting the length of the air rod 3, and the angle can be adjusted at will within the range of the inclination amplitude;

an adjusting frame 502 is rotatably connected to the hinge frame 501, and the air core 303 of the air rod 3 can be controlled and adjusted through the adjusting frame 502; the adjusting frame 502 comprises an adjusting surface 503, the adjusting surface 503 faces the air core 303 at the upper end of the inner tube 302 of the air rod 3, an adjusting block 505 is arranged on the adjusting surface 503, the adjusting block 505 is pressed against the air core 303 specifically, the adjusting block 505 is in a wedge-shaped structure, and an inclined surface 506 which is abutted against the air core 303 is arranged on the adjusting block 505; the adjusting block 505 adopts a movable adjusting structure and can be adjusted in a sliding manner along the adjusting surface 503, and the height between the gas core 303 and the adjusting surface 503 is adjusted by adjusting the relative position between the wedge-shaped adjusting block 505 and the gas core 303; the position of the adjusting block 505 can be adjusted periodically during use, so that the adjusting block 505 is ensured to be arranged in contact with the air core 303, and the stability and the sensitivity of pressing and adjusting the air core 303 are ensured.

The position of regulating block 505 is controlled through bolt 508, the position fixedly connected with who is close to regulating block 505 on regulation face 503 adjusts seat 507, threaded connection bolt 508 on adjusting seat 507, the one end of bolt 508 rotates and connects in regulating block 505, and realize the axial restriction through the connection bulge loop 509 on the bolt 508, the other end exposes the downside position at regulation seat 507, conveniently twist bolt 508, rotate bolt 508 through the screw thread, bolt 508 can realize stretching and contracting along adjusting seat 507, and then drive regulating block 505 and remove between gas core 303 and regulation face 503, keep inclined plane 506 to offset with gas core 303 all the time.

In order to increase the adjustment stability of the adjusting block 505, two sliding blocks 511 are fixed on one side of the adjusting block 505 facing the adjusting surface 503, a sliding groove 510 matched with the sliding block 511 is formed in the adjusting surface 503, the direction of the sliding groove 510 is consistent with the direction of the bolt 508, the sliding block 511 can be adjusted in a sliding mode along the sliding groove 510, the sliding adjustment of the adjusting block 505 can be guided, the stability of the adjusting block 505 is improved, an auxiliary supporting function can be achieved after the position of the adjusting block 505 is determined, and the stress of the bolt 508 is reduced; a limit block 512 may be connected to one side of the sliding block 511 penetrating the sliding groove 510, and a distance between the limit block 512 and the adjusting block 505 is slightly larger than a thickness corresponding to the sliding groove 510, so as to maintain stability of the adjusting block 505 and keep the adjusting block 505 to slide smoothly.

In the rotation process of the adjusting bracket 502, the abutting position between the adjusting block 505 and the end of the gas core 303 is changed at a certain angle, while the traditional gas core 303 is in a cylindrical structure, a corner is formed between the end surface and the outer peripheral surface of the traditional gas core 303, the main abutting position is converted from the end surface to the corner in the adjusting process, and irregular abrasion is easily generated between abutting surfaces; the spherical structure of the end of the gas core 303 can make the end of the gas core 303 and the adjusting block 505 stably press and support relatively, and the spherical structure can ensure that the whole pressing process is always in a relatively stable state.

In order to improve the stability of the adjusting bracket 502, one side of the adjusting bracket 502 departing from the gas core 303 can be abutted against the rotating shaft 500, and the other side of the adjusting bracket is abutted against the gas core 303, so that the whole adjusting bracket 502 can be limited and fixed in position, and the two sides of the adjusting bracket 502 can be kept to be always subjected to moving abutting force through the position adjustment of the adjusting block 505, so that the stability of the adjusting bracket 502 is kept, and the generation of noise caused by collision due to shaking is avoided.

Because the adjusting bracket 502 is positioned at the lower part of the chair and needs to be stooped to control, certain inconvenience is caused, and the brake cable 6 and the switch 4 can be additionally arranged to control the air rod 3; the switch 4 is arranged at the position where the lower edge of the chair frame 1 is convenient for hand touch, and the switch 4 is connected with the adjusting frame 502 through the brake cable 6, so that the air rod 3 is convenient to control and adjust; this switch 4 specifically includes mount pad 401 and spanner 402 two parts, spanner 402 articulates in mount pad 401, the connecting block 602 at floodgate line 6 both ends is fixed in mount pad 401 respectively with on the connection of alignment jig 502 lower extreme 201 colludes 504, the spool 601 of floodgate line 6 is fixed in between articulated frame 501 and the mount pad 401, the control of floodgate line 6 is similar to the brake control structure of bicycle, spool 601 through floodgate line 6 is as supporting, can stretch floodgate line 6 through switch 4's spanner 402 to drive alignment jig 502 action, need not direct control alignment jig 502, be convenient for adjust alignment jig 502.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an adjustable single chair, includes chair frame (1), the back of the chair (2) and telescopic gas pole (3), the well lower position of the back of the chair (2) is articulated with chair frame (1), outer tube (301) of gas pole (3) articulate in lower extreme (201) of the back of the chair (2), and inner tube (302) tip fixedly connected with hinge bracket (501) of gas pole (3), hinge bracket (501) articulate in the lower part of chair frame (1) through pivot (500), its characterized in that, it is connected with adjusting bracket (502) to rotate on hinge bracket (501), adjusting bracket (502) include the orientation regulating surface (503) of gas core (303) in gas pole (3) inner tube (302), be provided with on regulating surface (503) and be used for pressing regulating block (505) of gas core (303), set up on regulating block (505) inclined plane (506) that offsets with gas core (303), the adjusting block (505) can be adjusted in a sliding mode along the adjusting surface (503) and is used for adjusting the height between the gas core (303) and the adjusting surface (503).

2. An adjustable single chair as claimed in claim 1, wherein: the adjusting device is characterized in that an adjusting seat (507) is fixedly connected to the position, close to the adjusting block (505), of the adjusting surface (503), a bolt (508) is connected to the adjusting seat (507) in a threaded mode, one end of the bolt (508) is rotatably connected into the adjusting block (505), and axial limitation is achieved through a connecting convex ring (509) on the bolt (508).

3. An adjustable single chair as claimed in claim 2, wherein: one side of the adjusting block (505) facing the adjusting surface (503) is provided with two sliding blocks (511), the adjusting surface (503) is provided with a sliding groove (510) matched with the sliding blocks (511), the direction of the sliding groove (510) is consistent with that of the bolt (508), and the sliding blocks (511) are connected in the sliding groove (510) in a sliding manner.

4. An adjustable single chair as claimed in claim 3, wherein: the sliding block (511) penetrates through the sliding groove (510) and is fixedly connected with a limiting block (512).

5. An adjustable single chair as claimed in claim 2, wherein: one side of the adjusting frame (502) departing from the gas core (303) is propped against the rotating shaft (500).

6. An adjustable single chair as claimed in claim 1, wherein: the end of the gas core (303) is spherical.

7. An adjustable single chair as claimed in claim 1, wherein: still include floodgate line (6) and switch (4), switch (4) set up in the lower part of chair frame (1), connect through floodgate line (6) between switch (4) and alignment jig (502).

8. An adjustable single chair as claimed in claim 7, wherein: switch (4) include mount pad (401) and spanner (402), spanner (402) articulate in mount pad (401), connecting block (602) at floodgate line (6) both ends set up respectively in mount pad (401) with on connecting collude (504) of alignment jig (502) lower extreme (201), spool (601) of floodgate line (6) are fixed in between articulated frame (501) and mount pad (401).