Books, tables and chairs are comfortable to sit on, and 9% people have chosen the wrong one!
There should be not only a place for children to study at home, but also a place for adults to study and work. I think everyone needs to know something about chairs and desks. Let's take a look!
With regard to the choice of desks, first of all, let's check the desks at home, which are probably useless! The easiest thing to choose wrong is the concave desk ~ ~ sit down and check the activity area of legs under the desk, the circled area in the picture below!
The problem with desks in many families is that the activity area is too narrow, so the desks bought are only suitable for children. When adults use it, their legs will be firmly stuck in the middle of the seat, and there is no room for movement at all.
the place where you put your legs is less than 5mm wide, which is very inconvenient for a 17cm person to use! ! ! Another is that the depth is too short. When people sit down, they must have eight legs. For example, as shown in the following figure:
Although adding a partition under the desk can facilitate storage, the partition affects the comfort, and people put their legs too deep when sitting down, which is a wrong desk design.
unexpectedly, there are so many things to pay attention to in a small desk selection.
here comes the question. If you work at home, you want to sit comfortably without pressure. What kind of desk and chair combination is the most suitable?
We answer this question from the perspective of ergonomics. Height determines the height of tables and chairs? There is some truth, but it is not very objective. Some people have short legs and short legs. But in real life, it is enough to determine the height of desks and chairs according to their height.
To know the most suitable combination of tables and chairs for you, the correct way is to determine the height of your chair first, and then determine the height of your desk by sitting posture.
the height of the seat
(1) the height of the chair surface = the height of the knees from the ground.
For adults, look at the following picture:
The height of an adult seat means sitting on the chair surface with feet just touching the ground. If you use it at home, you can choose a seat with adjustable height. Of course, people with short stature can adjust by foot pedal (foot pad).
For children, you can refer to the following table to make a choice:
This is a guiding table for the size selection of students' desks and chairs issued in China in 22. Very useful! In this way, do you know the most suitable seat height in an instant?
There is another thing to pay attention to when choosing a seat: the distance from the armrest to the arm should not be too small! ! In this way, we can stretch our arms freely when sitting. However, in order to avoid excessive strain of elbow joint hanging for a long time, it is recommended that you choose a chair with armrests.
in addition, spatial distance is also very important!
when matching seats with other furniture, pay special attention to the spacing! In particular, the space on the left and right sides of the seat and behind it should be at least 81 mm, so that it is convenient for us to move the chair and stand up and sit down effortlessly. The following figure is an error demonstration!
The correct way to open the seat is:
Pay attention to the height of the seat, the armrest spacing of the seat, and the reserved space between the seat and the furniture, and find a perfect seat, which is basically a piece of cake for you. Next, let's look at the height of the desk that matches the seat.
the height of the desk
how high is the desk to be used and comfortable? Different types of work correspond to different desk heights. Specific table parameters:
By comparison, it can be found that girls working at home are suitable for desks with a table height of about 7-74 mm.. I tried it, and it was really good. This height can make the upper body operate the posture most convenient.
after reading the above parameters, if you still think you won't choose, it doesn't matter, and I'll teach you a simple and rude formula.
assuming that your body proportion is normal, you can directly choose the desk and chair that suits you according to the following formula:
(1) chair height = height *27%+2
(2) desk height = height *43%+2
babies with short legs or legs can add or subtract 3 ~ from the height calculated above. After the adjustment, a suitable set of your desks and chairs was born!
width of desk top
After the height of desks and chairs is determined, we should not forget to grasp the desk area. Some people think that the wider the desk top, the better, but it is not.
what size desk top is the most practical?
regarding the size of the desktop area, look at the following figure:
caption: the number is the marked size, the number above is imperial feet, and the number below is metric centimeters. Let's look at the number below directly. The above picture shows that it is enough for a person with ordinary physique to have a desk top length of 119.4cm!
Many worktables on the market are 12mm, which is enough if the height is normal, because this is the limit range of effective movements of a normal height and weight hand.
width, if you don't stand up, 5.8cm is the effective action limit. If you add other things, you can widen it slightly.
With this option, you can get anything on the desktop without standing up. Now you know, the wider the desktop, the better ~ However, if you have too many things and want to increase the storage function, you can try to increase the desktop area.