CN213550727U

CN213550727U - Seat angle adjusting device and seat

Info

Publication number: CN213550727U
Application number: CN202020871402.XU
Authority: CN
Inventors: 郑松; 李矛
Original assignee: Shenzhen Yourui Technology Co ltd
Current assignee: Shenzhen Yourui Technology Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-06-29
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a seat angle adjusting device and a seat, wherein, the seat angle adjusting device comprises a base, a connecting part, an elastic rubber cushion and a limiting mechanism, the base is arranged in a hollow way and is provided with a first inner connecting surface in an annular shape, and the base is used for connecting and supporting a seat surface of the seat; the connecting part is used for connecting a strut of a seat and the base, is annular and is provided with a second inner connecting surface and an outer connecting surface, and the second inner connecting surface is used for connecting the strut; the elastic rubber pad is annular and is embedded between the first inner connecting surface and the outer connecting surface in a manner of being matched with the first inner connecting surface and the outer connecting surface; the limiting mechanism is embedded in the elastic rubber mat so as to reduce the maximum deformation of the elastic rubber mat. The utility model discloses technical scheme can increase seat angle adjusting device's life.

Description

Seat angle adjusting device and seat

Technical Field

The utility model relates to a seat technical field, in particular to seat angle adjusting device and seat.

Background

The seat is a necessity for modern work and life, and for most people, the time of sitting on the seat every day occupies most of the day. However, the negative effects on the human body caused by long-time sitting are increasing, and particularly the negative effects on the human body are obvious when the human body is in the same sitting posture for a long time. In the case of being incapable of changing the fact that people need to sit for a long time, how to relieve or reduce the harm of the long time sitting on the human body becomes the direction of seat development. At present, office chairs basically have the functions of height and angle adjustment, so that people can change sitting postures and relieve the fatigue of long-time sitting in a single sitting posture. The methods for adjusting the height of the seat are simple and mature, but no good solution exists for adjusting the inclination angle of the seat under the condition of ensuring the service life of the seat and the convenience of adjustment.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a seat angle adjusting device and seat aims at solving the short problem of present seat angle adjusting device life.

In order to achieve the above object, the present invention provides a seat angle adjusting device, which comprises a base, a connecting portion, an elastic rubber pad and a limiting mechanism, wherein the base is hollow and has an annular first inner connecting surface, and the base is used for connecting and supporting a seat surface of a seat; the connecting part is used for connecting a strut of a seat and the base, is annular and is provided with a second inner connecting surface and an outer connecting surface, and the second inner connecting surface is used for connecting the strut; the elastic rubber pad is annular and is embedded between the first inner connecting surface and the outer connecting surface in a manner of being matched with the first inner connecting surface and the outer connecting surface; the limiting mechanism is embedded in the elastic rubber mat so as to reduce the maximum deformation of the elastic rubber mat.

Preferably, the limiting mechanism is arranged at the upper part of the elastic rubber mat.

Preferably, the limiting mechanism is annular, and the normal direction of the limiting mechanism is parallel to the normal direction of the elastic rubber mat.

Preferably, the limiting mechanism comprises a plurality of limiting blocks, and the limiting blocks are arranged on the elastic rubber mat in the same height.

Preferably, the peripheral surface of the upper part of the elastic rubber cushion is provided with a plurality of grooves which are arranged at the same height, and the limiting block is embedded in the grooves.

Preferably, the plurality of limiting protrusions are divided into left and right protrusions and front and rear protrusions, and the protruding height of the front and rear protrusions is smaller than that of the left and right protrusions; and/or the distance between the adjacent front and rear protrusions is larger than that between the adjacent left and right protrusions.

Preferably, the limiting mechanism and the elastic rubber pad are integrally formed.

Preferably, an annular groove is formed in the upper end face of the elastic rubber pad, and the limiting mechanism is embedded in the annular groove.

Preferably, the limiting blocks are uniformly distributed on the elastic rubber mat.

The utility model also provides a seat, the seat has angle adjusting device, the angle adjusting device includes a base, a connecting portion, an elastic rubber pad and a limiting mechanism, the base is hollow and has a ring-shaped first inner connecting surface, the base is used for connecting and supporting the seat surface of the seat; the connecting part is used for connecting a strut of a seat and the base, is annular and is provided with a second inner connecting surface and an outer connecting surface, and the second inner connecting surface is used for connecting the strut; the elastic rubber pad is annular and is embedded between the first inner connecting surface and the outer connecting surface in a manner of being matched with the first inner connecting surface and the outer connecting surface; the limiting mechanism is embedded in the elastic rubber mat so as to reduce the maximum deformation of the elastic rubber mat.

The utility model discloses technical scheme is through setting up the elastic rubber pad between base and connecting portion, and inlay the mode of establishing stop gear in the elastic rubber pad, under the prerequisite that guarantees that the elastic rubber pad has certain thickness, reduced the biggest deformation volume of elastic rubber pad, solved elastic rubber pad fragile and lead to the seat angle adjusting device life-span shorter.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the seat angle adjusting device of the present invention;

FIG. 2 is a schematic structural view of another embodiment of the seat angle adjusting device of the present invention;

fig. 3 is a schematic structural view of a housing of an embodiment of the seat angle adjusting device of the present invention;

fig. 4 is a schematic structural view of an elastic rubber cushion according to an embodiment of the seat angle adjusting device of the present invention;

fig. 5 is a schematic structural view of an elastic rubber cushion according to another embodiment of the seat angle adjusting device of the present invention;

fig. 6 is a schematic structural view of a connecting portion of an embodiment of the seat angle adjusting device of the present invention;

fig. 7 to 9 are schematic sectional views of the elastic rubber pad of the seat angle adjusting device of the present invention;

fig. 10 is a schematic structural view of a limiting mechanism according to an embodiment of the seat angle adjusting device of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Base seat	300	Elastic rubber cushion
101	First interconnect junction	301	Groove
				200	Connecting part	302	Annular groove
201	Second interconnect junction	400	Limiting mechanism
				202	Outer joint face	500	(Pillar)

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In order to increase the comfort of the chair and reduce the injury to human body caused by long-time sitting, the office chair usually adopts a height-adjustable design, and the height of the chair is adjusted and fixed according to the requirement. The seat with the backrest usually adopts the backrest with an elastic return device, and the inclination angle of the backrest is dynamically adjusted according to different stresses. The seat surface of the seat is usually in a fixed angle, and the seat surface is not adjustable in a horizontal plane, but in some cases, the angle of the seat surface also needs to be dynamically adjusted to better fit the stress surface when a person sits on the seat, so that the comfort of the seat is improved.

The utility model provides a seat angle adjusting device and a seat using the same, wherein, referring to fig. 1 to 9, the seat angle adjusting device comprises a base 100, a connecting part 200, an elastic rubber pad 300 and a limiting mechanism 400; the base 100 is hollow and has a ring-shaped first inner connecting surface 101, and the base 100 is used for connecting and supporting a seat surface of a seat; the connecting part 200 is used for connecting a pillar 500 of a seat with the base 100, the connecting part 200 is ring-shaped and has a second inner connecting surface 201 and an outer connecting surface 202, and the second inner connecting surface 201 is used for connecting the pillar 500; the elastic rubber pad 300 is annular and is fittingly embedded between the first inner connecting surface 101 and the outer connecting surface 202 with the first inner connecting surface 101 and the outer connecting surface 202; the limiting mechanism 400 is embedded in the elastic rubber mat 300 to reduce the maximum deformation of the elastic rubber mat 300.

The adjustment of the inclination angle of the seat surface is suitable for adopting a dynamic adjustment mode and needs to have an elastic recovery function. The utility model provides a seat angle adjusting device adopts elastic rubber cushion 300 as the part that provides elastic restoring force. When the same amount of force is applied, the greater the thickness of the elastic rubber pad 300, the greater the amount of deformation thereof, the greater the change in the angle of the seat surface, and the easier the adjustment of the angle of the seat surface.

The utility model provides a seat angle adjusting device is applicable to single-prop 500 seat, the pillar 500 of seat is connected to connecting portion 200, the seat face of seat is connected to base 100, sets up elastic rubber pad 300 between rigid base 100 and rigid connecting portion 200, and when the seat face received unbalanced top-down's power, the seat face can take place to deflect, and elastic rubber pad 300 can receive the pressure of side direction because of the deflection of seat face, therefore takes place elastic deformation to produce the elastic restoring force.

The elastic rubber pad 300 is preferably made of rubber and has a thickness of 5mm to 25 mm. After the elastic rubber mat 300 is deformed and restored for many times, especially after being deformed and restored for many times with a large deformation amount, the elastic deformation capability thereof becomes weak, so that the elastic rubber mat cannot be normally restored after being deformed. For delaying the reduction of elastic rubber mat 300 elastic deformation ability, increase its elastic deformation's number of times, prolong its life, the utility model discloses set up in the elastic rubber mat 300 stop gear 400, stop gear 400 inlays and locates in elastic rubber mat 300, when elastic rubber mat 300 takes place the deformation of side direction, stop gear 400 can be reduced guaranteeing the condition of elastic rubber mat 300 thickness the maximum deformation volume of elastic rubber mat 300 to reduce elastic rubber mat 300's damage, prolong its life.

The place that the deformation volume is the biggest for elastic rubber mat 300 when the seat face angle changes is its upper end and lower extreme, consequently, in the utility model discloses, stop gear 400 sets up in elastic rubber mat 300's upper portion or lower part, just stop gear 400 is the metalwork.

In one embodiment, the limiting mechanism 400 is circular, and the normal direction of the limiting mechanism 400 is parallel to the normal direction of the elastic rubber pad 300. The annular limiting mechanism 400 may be embedded in the inner side surface, the outer side surface or the inside of the elastic rubber mat 300. When the limiting mechanism 400 is embedded in the inner side surface or the outer side surface of the elastic rubber mat 300, the inner side surface or the outer side surface of the elastic rubber mat 300 is provided with a corresponding groove 301, and when the limiting mechanism 400 is arranged in the elastic rubber mat 300, the limiting mechanism 400 and the elastic rubber mat 300 are integrally formed. In other embodiments, the limiting mechanism 400 may further include a plurality of mutually independent limiting blocks, and the limiting blocks are equally and uniformly distributed on the elastic rubber mat 300, so that the limiting functions of the limiting mechanism 400 on the seat surface in all directions are the same.

The limiting function of the limiting mechanism 400 on all directions of the seat does not always need to be the same, in another preferred embodiment, as shown in fig. 10, the limiting mechanism 400 comprises a plurality of dentations which are divided into four areas, namely a front area, a rear area, a left area and a right area, wherein the protruding height d of the dentations in the front area and the rear area is₁Less than the protruding height d of the dentate projections in the left and right regions₂In the present embodiment, the maximum inclination angle of the seat in the front-rear direction is greater than the maximum inclination angle in the left-right direction, and the seat surface is more easily inclined in the front-rear direction. In order to achieve the same object, the present invention provides another embodiment, wherein the distance between the protrusions in the adjacent front and rear regions is larger than the distance between the protrusions in the adjacent left and right regions.

In addition, the limiting mechanism 400 may also be disposed on the upper end surface or the lower end surface of the elastic rubber mat 300, and correspondingly, an annular groove 302 for the limiting mechanism 400 to be embedded is disposed on the upper end surface or the lower end surface of the elastic rubber mat 300.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A seat angle adjusting apparatus, comprising:

the base is used for connecting and supporting the seat surface of the seat; the base is arranged in a hollow mode and is provided with a first annular inner connecting surface;

a connecting portion for connecting a pillar of a seat and the base; the connecting part is annular and is provided with a second inner connecting surface and an outer connecting surface, and the second inner connecting surface is used for connecting the supporting column;

the elastic rubber cushion is annular and is embedded between the first inner connecting surface and the outer connecting surface in a manner of being matched with the first inner connecting surface and the outer connecting surface;

and the limiting mechanism is embedded in the elastic rubber mat so as to reduce the maximum deformation of the elastic rubber mat.

2. The seat angle adjusting apparatus of claim 1, wherein the limiting mechanism is provided at an upper portion of the elastic rubber pad.

3. The seat angle adjusting apparatus of claim 2, wherein the limiting mechanism is circular and a normal direction of the limiting mechanism is parallel to a normal direction of the elastic rubber pad.

4. The seat angle adjusting apparatus of claim 2, wherein the limiting mechanism comprises a plurality of limiting blocks, and the limiting blocks are arranged at equal heights on the elastic rubber mat.

5. The seat angle adjusting apparatus of claim 4, wherein the outer peripheral surface of the upper portion of the elastic rubber cushion is provided with a plurality of grooves arranged at equal heights, and the limiting block is embedded in the grooves.

6. The seat angle adjusting apparatus of claim 5, wherein a plurality of the stoppers are uniformly disposed on the elastic rubber pad.

7. The seat angle adjusting apparatus of claim 5, wherein the plurality of stopper protrusions are divided into left and right protrusions and front and rear protrusions, and a protrusion height of the front and rear protrusions is smaller than a protrusion height of the left and right protrusions; and/or the distance between the adjacent front and rear protrusions is larger than that between the adjacent left and right protrusions.

8. The seat angle adjusting apparatus of claim 1, wherein the limiting mechanism is integrally formed with the elastic rubber pad.

9. The seat angle adjusting device of claim 1, wherein an annular groove is formed on the upper end surface of the elastic rubber pad, and the limiting mechanism is embedded in the annular groove.

10. A seat comprising a seat angle adjusting device as claimed in any one of claims 1 to 9.