CN210124468U

CN210124468U - Seat adjustment mechanism and seat thereof

Info

Publication number: CN210124468U
Application number: CN201922502504.4U
Authority: CN
Inventors: 朱正根
Original assignee: Foshan City Sitting Furniture Co Ltd
Current assignee: Foshan City Sitting Furniture Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-03-06
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a seat adjustment mechanism and seat thereof, wherein seat adjustment mechanism includes that drive mechanism, first torsional spring and be used for the locking portion of inclining angle, drive mechanism first torsional spring with the locking portion sets up on the epitheca on seat chassis, the locking portion inserts in the locking position that epitheca and inferior valve constitute, the one end of first torsional spring is connected drive mechanism, the other end is connected the locking portion, the spring center of first torsional spring is passed by the fixed column of epitheca, through the pulling drive mechanism can with the locking portion is followed locking position loosens. The utility model discloses inside shifting the chair chassis with the adjustment mechanism that inclines of seat, the user can loosen the sticking department through pulling drive mechanism and adjust the angle of inclining by oneself, because inside adjustment mechanism was in the seat base, consequently need not set up outstanding mechanism in the chassis, had optimized the space of seat and had occupy, can reduce the use of material simultaneously.

Description

Seat adjustment mechanism and seat thereof

Technical Field

The utility model relates to a seat accessory, in particular to seat adjustment mechanism and seat thereof.

Background

The present adjustable chair's adjusting mechanism that inclines is based on return spring under the chassis, and return spring has occupied certain volume under the chassis, consequently uses and touches the foot easily to accessory material volume is great, and relative cost is also higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a seat adjustment mechanism and seat thereof, imply adjustment mechanism in seat chassis, liberate the space of seat below, corresponding accessory cost can reduce.

According to the embodiment of the utility model provides a seat adjustment mechanism in the first aspect, including drive mechanism, first torsional spring and the sticking department that is used for locking the angle of heeling, drive mechanism first torsional spring with the sticking department sets up on the epitheca on seat chassis, the sticking department inserts in a locking position that epitheca and inferior valve constitute, the one end of first torsional spring is connected drive mechanism, the other end is connected the sticking department, the spring center of first torsional spring is passed by the fixed column of epitheca, through the pulling drive mechanism can with the sticking department is followed locking position unclamping.

The seat adjusting mechanism at least has the following beneficial effects: the adjusting mechanism for the inclination and the elevation of the seat is transferred to the inside of the seat chassis, a user pulls the traction mechanism to release the locking part, and the seat is inclined backwards by means of the weight of the user.

According to the embodiment of the utility model provides a first aspect a seat adjustment mechanism, drive mechanism includes flexible stay cord, fixing base and sliding seat, the fixing base cover is on the sliding seat and fixes on the inferior valve, the one end of sliding seat is connected flexible stay cord, the other end is connected first torsional spring, through the pulling flexible stay cord can pull the sliding seat is in remove in the fixing base.

According to the embodiment of the utility model provides a first aspect a seat adjustment mechanism, drive mechanism still includes rope threading mouth and return spring, the rope threading mouth sets up by the sliding seat, the rope threading mouth with set up between the sliding seat return spring, flexible stay cord follows the sliding seat begins to pass in proper order return spring and rope threading mouth.

According to the embodiment of the present invention, the seat adjusting mechanism of the first aspect, the traction mechanism and the locking portion form a right angle distribution therebetween.

According to the embodiment of the utility model provides an aspect said in the second aspect an use as above arbitrary seat adjustment mechanism's seat, include seat adjustment mechanism, constitute the epitheca and the inferior valve on seat chassis, seat adjustment mechanism sets up on the epitheca, be provided with the second torsional spring in the space that epitheca and inferior valve constitute, two tip of second torsional spring are supported respectively and are pushed against epitheca and inferior valve, make the epitheca can by the second torsional spring changes the angle of heeling, the edge of epitheca and inferior valve constitutes a locking position, the locking portion can insert the locking position is fixed the angle of heeling of epitheca.

According to the utility model discloses an embodiment second aspect a seat, still including the support column that can adjust the height, the support column penetrates from the below the inferior valve.

According to the embodiment of the utility model provides a second aspect a seat, still including being used for adjusting the height adjustment mechanism, lift adjustment mechanism sets up on the inferior valve, lift adjustment mechanism includes the moving part, the one end pivot of moving part is connected on the inferior valve, the other end is connected with the operation rope as the free end, the middle part orientation of moving part the lifting button of support column, through the pulling the operation rope can with the moving part pushes down the messenger the moving part supports and presses on the lifting button of support column.

According to the embodiment of the second aspect of the present invention, the operation cord passes through the lower case and is drawn out from the upper case.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a three-dimensional structure according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a side view structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the lower case and the interior thereof according to the embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In the embodiment of the present invention, the description of the upper and lower parts is based on the reference coordinate in the drawings, and other top views and perspective views refer to the coordinate system.

Referring to fig. 1 to 3, a first aspect of embodiments of the present invention relates to a seat adjusting mechanism including a traction mechanism 100, a first torsion spring 200, and a locking portion 300 for locking a reclining angle, the traction mechanism 100, the first torsion spring 200, and the locking portion 300 being disposed on an upper case 400 of a seat chassis, the locking portion 300 being inserted into a locking position formed by the upper case 400 and a lower case 500, one end of the first torsion spring 200 being connected to the traction mechanism 100, the other end being connected to the locking portion 300, a spring center of the first torsion spring 200 being passed through by a fixing post of the upper case 400, and the locking portion 300 being releasable from the locking position by pulling the traction mechanism 100.

In the embodiment of the present invention, the chassis is divided into two parts by the upper case 400 and the lower case 500, wherein the upper case 400 is used to carry each component, the lower case 500 supports the upper case 400 from below, the traction mechanism 100 and the locking portion 300 are arranged in a right angle, a rectangular boss 410 is arranged adjacent to the traction mechanism 100 and the locking portion 300, a soft pad or the like is generally arranged above the rectangular boss 410, so as to shield the traction mechanism 100 and the locking portion 300, and the first torsion spring 200 is arranged between the traction mechanism 100 and the locking portion 300 in a distributed manner.

Referring to fig. 3, it can be understood that there is only one locking position in the embodiment of the present invention, that is, the seat does not have any reclining angle position, and at this time, since the locking part 300 is inserted between the upper case 400 and the lower case 500, the user cannot recline by his/her own weight; the locking position of the present application is composed of a first locking member 420 in the upper case 400 and a second locking member 520 in the lower case 500, the first locking member 420 is fixedly connected to the upper case 400 and attached to the outer edge of the rectangular boss 410, a part of the side wall of the rectangular boss 410 is hollowed out to be used as a backward tilting space, the second locking member 520 is the edge part of the lower case and faces to the inner edge of the rectangular boss 410, and thus, the first locking member 420 and the second locking member 520 form a staggered engagement structure; under the locking position, the locking part 300 is clamped between the first locking part 420 and the second locking part 520, the backward tilting cannot be performed at the moment, after the locking part 300 is drawn out through the traction mechanism 100, the first locking part 420 and the second locking part 520 are not blocked, so that the malposition engagement can be realized, namely, the first locking part 420 of the upper shell 400 is pressed downwards (the lower shell 500 is not moved), the backward tilting is realized, the locking part 300 moves along with the upper shell 400, the traction mechanism 100 is released, the locking part 300 is abutted against the lower shell 500 and cannot be locked, a user can freely adjust the backward tilting angle by means of the weight, the upper shell 400 is automatically reset to the locking position only when the user does not lean backwards any more, the locking part 300 is inserted into the locking position and is automatically locked, namely, the automatic; for example, when a user sleeps in the afternoon, the user needs to manually lock the backward-leaning position after the backward leaning is completed by a common seat, the user needs to unlock the seat once after the afternoon sleeping, the operation is troublesome, the user can maintain the backward leaning by the body weight of the user, the seat can automatically recover after the afternoon sleeping, manual adjustment is not needed, and the operation is simplified.

The traction mechanism 100 includes a flexible rope 110, a fixing seat 120 and a sliding seat 130, the fixing seat 120 is sleeved on the sliding seat 130 and fixed on the lower shell 500, one end of the sliding seat 130 is connected with the flexible rope 110, the other end of the sliding seat 130 is connected with the first torsion spring 200, and the sliding seat 130 can be drawn to move in the fixing seat 120 by pulling the flexible rope 110.

In order to connect the sliding seat 130 to one end of the first torsion spring 200, a hole is formed through the sliding seat 130, and the end of the first torsion spring 200 is bent upward and penetrates into the hole of the sliding seat 130.

The traction mechanism 100 further comprises a rope threading opening 140 and a return spring 150, the rope threading opening 140 is arranged beside the sliding seat 130, the return spring 150 is arranged between the rope threading opening 140 and the sliding seat 130, and the flexible pulling rope 110 sequentially passes through the return spring 150 and the rope threading opening 140 from the sliding seat 130. The rope passing opening 140 can guide the position of the flexible rope 110, so as to prevent the flexible rope 110 from being separated when a user pulls the flexible rope 110 in any direction, and the return spring 150 can return the sliding seat 130 after the user releases the flexible rope 110, so as to restore the initial state of the first torsion spring 200, and since the initial state of the first torsion spring 200 is restored, the acting force of the first torsion spring 200 on the locking part 300 disappears, and the locking part 300 is rebounded and inserted to lock the tilting angle.

Referring to fig. 4, a second aspect of the embodiments of the present invention relates to a seat using the seat adjusting mechanism, including the seat adjusting mechanism, an upper shell 400 and a lower shell 500 constituting a seat chassis, the seat adjusting mechanism is disposed on the upper shell 400, a second torsion spring 600 is disposed in a space formed by the upper shell 400 and the lower shell 500, two ends of the second torsion spring 600 respectively abut against the upper shell 400 and the lower shell 500, so that the upper shell 400 can be changed in tilting angle by the second torsion spring 600, the edges of the upper shell 400 and the lower shell 500 constitute a locking position, and the locking portion 300 can be inserted into the locking position to fix the tilting angle of the upper shell 400.

In order to reset the tilting angle, the second torsion spring 600 is disposed between the upper case 400 and the lower case 500, the upper case 400 and the lower case 500 co-extrude both ends of the second torsion spring 600, and since the lower case 500 is stationary, the upper case 400 is supported by the second torsion spring 600, so that the upper case 400 can be reset by the second torsion spring 600 without the extrusion of the housing. In this embodiment, in order to balance the chassis, the number of the second torsion springs 600 is two, and the two torsion springs are arranged side by side in the left-right direction, and in order to enable the second torsion springs 600 to accurately abut against the top shell 400 and the bottom shell 500, the upper shell 400 and the bottom shell 500 are both provided with the accommodating portion 510 at corresponding positions, the accommodating portion 510 is a circular arc groove body, the end portion of the second torsion spring 600 abuts against and is pressed in the accommodating portion 510, and since the two sides of the accommodating portion 510 are higher, the end portion of the second torsion spring 600 can be.

In some embodiments, a support column 700 capable of adjusting the height is further included, and the support column 700 penetrates into the lower case 500 from below.

Based on the above embodiment, the lifting adjusting mechanism 800 is further included, the lifting adjusting mechanism 800 is disposed on the lower shell 500, the lifting adjusting mechanism 800 includes a movable element 810, one end of the movable element 810 is connected to the lower shell 500 through a rotating shaft, the other end of the movable element 810 is connected to an operation rope 820 as a free end, the middle portion of the movable element 810 faces the lifting button 710 of the support column 700, and the movable element 810 can be pressed down to enable the movable element 810 to be pressed against the lifting button 710 of the support column 700 by pulling the operation rope 820.

In this embodiment, the supporting column 700 can lift the seat, the lifting button 710 is disposed at the bottom of the supporting column 700, the supporting column 700 automatically lifts when the lifting button 710 is pressed, and the height is automatically locked when the lifting button 710 is released, so that the moving part 810 is adopted to replace a human hand to press the lifting button 710, and because the pulling is converted into the pressing, the implementation manner is more, and only one implementation manner is given in this embodiment: the operation rope 820 is led out from the lower case 500 through the upper case 400 after passing down one cylinder, when the operation rope 820 is pulled upwards, the direction of the operation rope 820 is changed by the cylinder, the free end of the movable member 810 is pulled downwards by the operation rope 820, and the movable member 810 becomes a downward pressing motion because the other end of the movable member 810 is fixed by the rotating shaft, so that the lifting button 710 is pressed.

The embodiment of the utility model provides a transfer the chair chassis with the adjusting mechanism that inclines of seat inside, the user can loosen sticking department 300 through pulling drive mechanism 100, relies on self weight to lean back, because inside adjustment mechanism was in the seat base, consequently need not set up outstanding mechanism in the chassis, has optimized the space of seat and has taken, can reduce the use of material simultaneously.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims

1. A seat adjustment mechanism characterized in that: the traction mechanism (100), the first torsion spring (200) and the locking portion (300) used for locking the tilting angle are arranged on an upper shell (400) of a seat chassis, the locking portion (300) is inserted into a locking position formed by the upper shell (400) and a lower shell (500), one end of the first torsion spring (200) is connected with the traction mechanism (100), the other end of the first torsion spring is connected with the locking portion (300), the spring center of the first torsion spring (200) is penetrated by a fixing column of the upper shell (400), and the locking portion (300) can be loosened from the locking position by pulling the traction mechanism (100).

2. A seat adjustment mechanism as set forth in claim 1 wherein: traction mechanism (100) is including flexible stay cord (110), fixing base (120) and sliding seat (130), fixing base (120) cover is on sliding seat (130) and fixes on inferior valve (500), the one end of sliding seat (130) is connected flexible stay cord (110), and the other end is connected first torsional spring (200), through the pulling flexible stay cord (110) can pull sliding seat (130) are in remove in fixing base (120).

3. A seat adjustment mechanism as set forth in claim 2 wherein: traction mechanism (100) still includes rope passing mouth (140) and return spring (150), rope passing mouth (140) set up by slide holder (130), rope passing mouth (140) with set up between slide holder (130) return spring (150), flexible stay cord (110) follow slide holder (130) begin to pass in proper order return spring (150) and rope passing mouth (140).

4. A seat adjustment mechanism as set forth in claim 1 wherein: the traction mechanism (100) and the locking part (300) form a right-angle distribution.

5. A seat to which the seat adjusting mechanism according to any one of claims 1 to 4 is applied, characterized in that: include seat adjustment mechanism, constitute upper casing (400) and inferior valve (500) on the seat chassis, seat adjustment mechanism sets up on upper casing (400), be provided with second torsional spring (600) in the space that upper casing (400) and inferior valve (500) constitute, two tip of second torsional spring (600) support respectively and prop up upper casing (400) and inferior valve (500), make upper casing (400) can by second torsional spring (600) change the angle of heeling, the edge of upper casing (400) and inferior valve (500) constitutes a locking position, locking portion (300) can insert the locking position is fixed the angle of heeling of upper casing (400).

6. A seat according to claim 5, wherein: also comprises a supporting column (700) with adjustable height, wherein the supporting column (700) penetrates into the lower shell (500) from the lower part.

7. A seat according to claim 6, wherein: still including being used for adjusting height lift adjustment mechanism (800), lift adjustment mechanism (800) sets up on inferior valve (500), lift adjustment mechanism (800) are including moving part (810), the one end pivot of moving part (810) is connected on inferior valve (500), and the other end is connected with operation rope (820) as the free end, the middle part orientation of moving part (810) lift button (710) of support column (700), through the pulling operation rope (820) can with moving part (810) pushes down the messenger moving part (810) support and press on lift button (710) of support column (700).

8. A seat according to claim 7, wherein: the operating cord (820) is led out from the lower case (500) through the upper case (400).