CN211748214U

CN211748214U - Height-adjustable iron chair

Info

Publication number: CN211748214U
Application number: CN201821191960.0U
Authority: CN
Inventors: 邝志杰
Original assignee: Foshan Chuangtong Hardware Products Co ltd
Current assignee: Foshan Chuangtong Hardware Products Co ltd
Priority date: 2018-07-25
Filing date: 2018-07-25
Publication date: 2020-10-27
Anticipated expiration: 2028-07-25

Abstract

The utility model relates to a height-adjustable iron chair, including the chair foot with locate the seat on the chair foot, the chair foot is including being hollow structure's lower chair foot and nested chair foot of going up under among the chair foot, be equipped with the regulation hole down among chair foot and the last chair foot, the left and right sides bottom of seat all is equipped with the outside fixed plate and the inboard fixed plate that are parallel to each other and perpendicular to seat, the outside fixed plate is equipped with presses the board, the one end of pressing the board is passed the outside fixed plate and is fallen "U" word shape's regulation support and link to each other, the upper end of adjusting the support is equipped with the spring, the one end and the inboard fixed plate of spring link to each other, the lower extreme of adjusting the support is equipped with and adjusts hole size assorted bolt. The utility model discloses simple structure and simple to operate, the height of chair can be adjusted according to actual need.

Description

Height-adjustable iron chair

Technical Field

The utility model relates to the field of furniture, concretely relates to height-adjustable's iron chair.

Background

The common chair is made of stainless steel or aluminum alloy, has a simple structure, is light and durable, and is widely applied to daily life of people, such as restaurants, fast food restaurants, snack bars, bars and the like. However, the height of the common chair is fixed, and the common chair cannot be adjusted according to actual needs to meet the requirements of different occasions, so that inconvenience and trouble are easily brought to users with different heights and sizes and different ages.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to provide a height-adjustable iron chair to solve the problem that ordinary chair height is fixed, can't adjust according to actual need.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

height-adjustable iron chair, including the chair foot with locate the seat on the chair foot, the chair foot is including being hollow structure's lower chair foot and nested last chair foot under in the chair foot, be equipped with the regulation hole among lower chair foot and the last chair foot, the both sides bottom all is equipped with outside fixed plate and the inboard fixed plate that is parallel to each other and perpendicular to the seat, the outside fixed plate is equipped with the press board, the one end of press board is passed the outside fixed plate and is linked to each other with the regulation support that is "U" word shape, the upper end of adjusting the support is equipped with the spring, the one end of spring links to each other with the inboard fixed plate, the lower extreme of adjusting the support is equipped with and adjusts the bolt of hole size assorted.

Preferably, the number of the adjusting holes is three, and the adjusting holes are arranged in the lower chair leg and the upper chair leg from top to bottom at equal intervals.

Preferably, the number of the bolts is three and is arranged at the lower end of the adjusting bracket at equal intervals from top to bottom.

Preferably, the number of the springs is three and the springs are equally spaced at the upper end of the adjusting bracket.

Preferably, a backrest is arranged above the seat plate.

Due to the adoption of the technical scheme, compare with prior art, the utility model discloses a height-adjustable's iron chair has following beneficial effect:

the lower chair leg is in a hollow structure, and the upper chair leg is nested in the lower chair leg, so that the upper chair leg can move up and down in the lower chair leg. The lower chair leg and the upper chair leg are provided with adjusting holes, the lower end of the adjusting support is provided with a bolt matched with the size of the adjusting holes, the pressing plate is pressed inwards, the adjusting support moves towards the inner side of the seat plate, the bolt at the lower end of the adjusting support leaves the adjusting holes, and at the moment, the upper chair leg can move up and down. When the chair is adjusted to a proper height by moving the upper chair legs up and down, the pressing plate is loosened, the adjusting bracket moves towards the outer side under the action of the elastic force of the spring, and the bolt is inserted into the adjusting hole to fix the height of the chair.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structural relationship between the lower and upper legs of the present invention;

fig. 3 is a schematic view of the structural relationship among the middle adjusting bracket, the spring, the outer fixing plate, the inner fixing plate and the pressing plate of the present invention.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiment of the present invention, all other embodiments that a person skilled in the art can obtain without creative work all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the height-adjustable iron chair comprises chair legs 1 and a seat plate 2 arranged on the chair legs 1, wherein the chair legs 1 comprise lower chair legs 10 in a hollow structure and upper chair legs 11 nested in the lower chair legs 10, adjusting holes 12 are formed in the lower chair legs 10 and the upper chair legs 11, outer fixing plates 3 and inner fixing plates 4 which are parallel to each other and perpendicular to the seat plate 2 are arranged at the bottoms of the left side and the right side of the seat plate 2, pressing plates 5 are arranged on the outer fixing plates 3, one ends of the pressing plates 5 penetrate through the outer fixing plates 3 to be connected with an adjusting support 6 in an inverted 'U' -shaped shape, springs 7 are arranged at the upper ends of the adjusting support 6, one ends of the springs 7 are connected with the inner fixing plates 4, and bolts 8 matched with the adjusting holes 12 in size are arranged at the lower ends of the adjusting support 6.

The lower leg 10 is hollow and the upper leg 11 is nested in the lower leg 10, so that the upper leg 11 can move up and down in the lower leg 10. The lower chair leg 10 and the upper chair leg 11 are provided with adjusting holes 12, the lower end of the adjusting bracket 6 is provided with a bolt 8 matched with the size of the adjusting hole 12, the pressing plate 5 is pressed inwards, the adjusting bracket 6 moves towards the inner side of the seat plate 2, the bolt 8 at the lower end of the adjusting bracket can leave the adjusting hole 12, and at the moment, the upper chair leg 11 can move up and down. When the chair is adjusted to a proper height by moving the upper legs 11 up and down, the pressing plate 5 is released, and the adjusting bracket 6 is moved in an outward direction by the elastic force of the spring 7, so that the latch 8 is inserted into the adjusting hole 12, thereby fixing the height of the chair.

The springs 7 may be provided in three or more numbers and at equal intervals at the upper end of the adjusting bracket 6, one end of the spring 7 is connected to the adjusting bracket 6, and the other end is connected to the inner fixing plate 4. In the process of installing the spring 7, it should be ensured that the two ends of the adjusting bracket 6 are stressed in a balanced manner when the pressing plate 5 is pressed, so as to avoid the bolt 8 from being clamped on the adjusting hole 12 due to unbalanced stress at the two ends of the adjusting bracket 6.

The number of the pins 8 and the adjusting holes 12 can be set to three or more, and the number of the pins 8 should be smaller than the number of the adjusting holes 12, so as to ensure that the pins 8 can be inserted into the adjusting holes 12. In order to ensure that the bolts 8 can be inserted into the adjusting holes 12 accurately and firmly, the bolts 8 and the adjusting holes 12 can be arranged at equal intervals, and the intervals between the bolts 8 are equal to the intervals between the adjusting holes 12.

In addition, the plug 8 and the adjustment hole 12 can be selected to have a cylindrical shape, but during the manufacturing process, it is necessary to ensure that the diameter of the plug 8 is smaller than that of the adjustment hole.

Further, a backrest 9 may be installed above the seat plate 2.

The above all be the utility model discloses a preferred embodiment, the utility model discloses a protection scope does not confine above-mentioned embodiment to, the all belong to the utility model discloses other technical scheme under the thinking all belong to the utility model discloses a protection scope. It should be noted that various modifications and decorations made by those skilled in the art without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims

1. Height-adjustable's iron chair includes the chair foot and locates the seat on the chair foot, its characterized in that: the chair leg comprises a lower chair leg with a hollow structure and an upper chair leg embedded in the lower chair leg, wherein adjusting holes are formed in the lower chair leg and the upper chair leg, an outer side fixing plate and an inner side fixing plate which are parallel to each other and perpendicular to the seat plate are arranged at the bottoms of the left side and the right side of the seat plate, a pressing plate is arranged on the outer side fixing plate, one end of the pressing plate penetrates through the outer side fixing plate to be connected with an adjusting support in an inverted U shape, a spring is arranged at the upper end of the adjusting support, one end of the spring is connected with the inner side fixing plate, a bolt matched with the adjusting hole in size is arranged at the lower end of the adjusting support, the bolt and the adjusting holes are arranged at equal intervals, the interval of the bolt is equal to the interval of the adjusting holes, and the diameter of the bolt is smaller than the.

2. The height adjustable couch according to claim 1, wherein: the number of the adjusting holes is three, and the adjusting holes are arranged in the lower chair leg and the upper chair leg from top to bottom at equal intervals.

3. The height adjustable couch according to claim 2, wherein: the quantity of bolt is three and from top to bottom locate equidistantly the lower extreme of adjusting the support.

4. The height adjustable couch according to claim 3, wherein: the number of the springs is three and the springs are arranged at the upper end of the adjusting bracket at equal intervals.

5. The height adjustable iron chair according to claim 4, wherein: a backrest is arranged on the seat plate.