KR102405617B1 - Adjusting chair of the sheet for the people - Google Patents

Abstract

The present invention is a chair structure 1000, in which the seat cushion lower plate 200 with seat plate coupling protrusions 223a and 223b is connected to each other so that it can move forward and backward according to the body shape, and guide rail means are formed, and the seat plate 140 ) and the seat cushion lower plate 200 are fastened by a fixing means, and the fixing means is a bolt post 320 having a bolt head 310 formed in the seat plate coupling guide hole 230 and the seat cushion coupling hole 146. Fitted, the bolt post 320 is coupled to the eccentric cam 340 with a bolt coupling pin 330 to the pin hole 320a formed at the end of the bolt post 320, and the eccentric cam 340 is in the middle A seat cushion characterized in that a pin hole (not shown) is formed and a handle 350 is formed on one side is to provide a chair that can be adjusted according to the body type.

Description

Chair with seat cushion adjustable according to body type{Adjusting chair of the sheet for the people}

The present invention relates to a chair in which the seat cushion can be adjusted according to the body type, and more particularly, to a chair in which the seat cushion part can move forward and backward according to the body shape of the person, and the seat cushion can be adjusted according to the body shape.

Referring to the prior art, as shown in Korean Patent No. 10-1476622, as shown in FIG. 1, the integrated backing cell 10 can move in the A direction and the B direction with respect to the fixed lower frame 20, respectively. In addition, the vertical position and the front and rear positions of the backrest unit 11 and the armrest unit 12 can be simultaneously adjusted by this inclination movement.

For example, when the integrated backrest cell 10 moves in the A direction with respect to the lower frame 20, the backrest 11 is lowered and moved forward (that is, the user's buttocks can be supported on the seat plate) area becomes smaller), and at the same time the armrest 12 is lowered. Conversely, when the integrated backrest cell 10 moves in the B direction with respect to the lower frame 20, the backrest 11 moves rearward as it rises (that is, the area in which the user's buttocks can be supported on the seat plate is becomes larger), and at the same time the armrest 12 is also raised.

Accordingly, it is possible to provide the chair 1 having a simple and compact structure capable of simultaneously adjusting the positions of the backrest 11 and the armrest 12 .

In addition, as shown in FIGS. 2 to 3 , as a technique for moving the seat plate to fit the body type, in domestic utility model registration No. 20-0195547, the variable device 10 and the throttle plate 44 are fixed by the shaft 43 and Fixing parts 11 and 11a are formed on one side of the variable device 10 and the adjusting plate 44 to be fixed to the seat plate 35 .

And an angle adjuster 21 is attached to the adjustment plate 44 , and several stopper washers 15 are fixed to the variable device 10 by a washer fixing pin 13 .

In addition, an adjustment groove 23 is formed in the several stopper washers 15 so that a constant clearance is maintained between the stopper washer 15 and the stopper washer 15 when the fixing bolt 19 is inserted. inserted and assembled.

And a bracket 14 was attached to one side of the variable device 10, and a spring 18 was assembled so that the bolt 19 to which the stopper washer 15 was fixed could be inserted.

In addition, the fixing bolt 19 is fixed to the variable device 10 by being fastened by a bush 24 and a nut 20 , and an adjustment lever 12 is provided at the end of the bracket 14 by a fixing pin 22 . is fixed by In addition, a fixing groove 45 is formed in the variable device 10 so that the cylinder 33 can be assembled, and it is operated by an adjustment lever 34 , and an armrest fixing part 46 is formed on the bottom surface of the seat plate 35 . and the armrest 51 can be assembled.

A process operating according to an embodiment of the present invention configured as described above and its effect will be described as follows.

The variable device 10 constituted by the present invention and the seat plate 35 are integrally fixed by the fixing parts 11 and 11a formed on one side of the adjustment plate 44, and the user attaches the shaft 43 to the variable device 10. When the angle adjuster 21 of the adjusting plate 44 fixed to By doing so, the inclination of the seat plate 35 is firmly maintained.

In the state as described above, the stopper washer 15 firmly holds the variable device 10 and the control plate 44 while the play is eliminated by the action of the control lever 12 .

And in order to change the surface inclination of the seat plate 35 again, the user operates the adjustment lever 12 so that the stopper washer 15 has a gap and rotates the angle adjuster 21 attached to the adjustment plate 44. When the adjustment lever 12 is operated again in the state where the inclination of the seat plate 35 is adjusted, the stopper washer 15 has no play and the seat plate fixed to the variable device 10 has the desired inclination of the user. will be.

On the other hand, when the user wants to adjust the width of the armrest for a chair, the armrest 51 inserted into the insertion groove 50 formed on the lower surface of the seat plate is moved left and right so that it is fastened by the adjusting screw 48 . .

In addition, the cylinder 33 integrated with the chair leg 47 is inserted into the fixing groove 45 formed in the center of the variable device 10 , and the height of the cylinder 33 is adjusted by a lever on the upper side of the variable device 10 . The cylinder adjustment lever 34 fixed by the bracket 52 has a beveled portion to prevent the lever from shaking, and the lever presses the gas valve attached to the cylinder 33 so that the cylinder 33 can be operated up and down. it can be

As seen above, the variable device fixed to the seat plate of the chair and the adjusting plate are connected to the shaft and integrated to easily adjust the inclination of the seat plate as needed using a stopper washer and an adjustment lever. It is inserted and the adjusting screw is fastened so that it can be adjusted as needed, and the cylinder adjusting lever attached to the variable device can be used while operating the cylinder up and down.

In addition, the present inventor according to the prior registration utility model No. 20-0471212, the upper plate 200' of the chair seat plate has a through-part 210' coupled to the through-part 110' of the lower plate 100' in the central part. is formed, and an edge is formed on the edge of the through portion 210'.

At this time, the rim is formed in a structure that protrudes downward from the bottom of the upper plate 200 ′, so that when the lower plate 100 ′ and the upper plate 200 ′ are assembled and combined, the rim of the through hole 110 ′ of the lower plate 100 ′ and mutually will be tightly coupled.

In addition, a coupling part is formed on the outer edge of the upper plate 200' to be coupled with the lower plate 100', and the coupling part has a gap together with the coupling groove of the lower plate 100' so that the lumbar support can be fitted. There is formed a support accommodating groove in the form of a depression to form a

However, in the case of the conventional embodiment, when the body shape of a person does not fit, that is, when the arm height is adjusted low when the person tries to sit in a chair, the arm height is rather increased, and the posture is uncomfortable. In the case of the embodiment, it is good to have the seat plate before and after, but there is a problem in that the manufacturing cost is too high because the structure is complicated.

Republic of Korea Patent Publication No. 10-1476622 (2014.12.26. Announcement) Republic of Korea Registered Utility Model Publication No. 20-0195547 (announced on September 1, 2000) Republic of Korea Registered Utility Model Publication No. 20-0471212 (2014.2.20. Announcement)

Therefore, the present invention was developed to solve the above problems, and while applying the structure of the ventilation hole of the seat plate developed by the present inventor, the seat cushion can be adjusted according to the body type, but the chair back and the seat plate are integrated The purpose of this is to provide a chair in which the seating depth can be adjusted according to the body type of the seated person at any time by reducing the manufacturing cost by making the product and by separating the seat plate and the seat cushion part so that the seat cushion part can be adjusted back and forth easily.

And, an object of the present invention is to improve a structure that can freely adjust the length of the lower seat cushion even when a person is seated.

The present invention for achieving the above object is a chair structure 1000, which is formed of a seat plate integrated chair back 100 and a seat cushion lower plate 200, wherein the seat plate integrated chair back 100 is a chair back ( 110), the seat back side plate 130 is formed in the front, and the seat plate 140 is continuously formed at the lower part thereof. It is formed as a frame and the seat plate coupling guide hole 230 is formed therebetween, and the left seat guide rails 221a and 221b are formed on the left and right sides of the seat plate coupling guide hole 230, and the left seat guide rail 221a ) (221b) side by side in parallel from the bottom side of the seat plate coupling projections (223a, 223b) formed on the left and right side seat cushion lower plate 200 is linked so that it can move forward and backward according to the body shape, a guide rail means is formed, the seat plate (140) and the seat cushion lower plate 200 are fastened with tension in a state away from each other by a fixing means, and the fixing means is a bolt head 310 to the seat plate coupling guide hole 230 and the seat coupling hole 146. Insert the formed bolt post 320, wherein the bolt post 320 is coupled to the eccentric cam 340 with a bolt coupling pin 330 to the pin hole 320a formed at the end of the bolt post 320, the The eccentric cam 340 provides a chair with an adjustable seat cushion according to the body type, characterized in that a pin hole is formed in the middle and a handle 350 is formed on one side.

In addition, according to the present invention, the eccentric cam 340 has a handle 350 formed on one side so that when the eccentric cam 340 is rotated by 90 degrees, the seat plate 140 and the seat plate 140 and the The seat lower plate 200 is opened, and when the eccentric cam 340 is rotated 180 degrees or to the original position, the seat plate 140 and the seat lower plate 200 are separated by the bolt post 320. It is characterized by being in contact.

And, according to the present invention, the guide rail means has a “L”-shaped ring formed long on the front and back left and right sides of the seat plate 140, and a “L”-shaped ring formed on the lower seat plate 200 to face the “L”-shaped ring. It is characterized in that it consists of a ring.

Therefore, as described above, the present invention reduces the manufacturing cost by manufacturing the chair back and the seat plate integrally by one injection so that the seat cushion can be adjusted according to the body type, and only the seat seat plate and the seat cushion part are separated to make the seat cushion part By making this front-to-back adjustment easy, it is possible to provide a chair in which the seating depth can be adjusted according to the body type of the seated person at any time, so that it can fit the body shape of the seated person, thereby providing a comfortable feeling of comfort.

In addition, since the present invention has the effect of being able to freely adjust the length of the seat cushion lower plate even when a person is seated, there is an effect that children or students can easily adjust the length of the seat plate structure of the chair to suit the condition at any time.

1 is a side view of a first embodiment of the prior art;
2 and 3 are a perspective view and a schematic plan view of a second embodiment of the prior art;
4 is a perspective view of a third embodiment of the prior invention;
5 is a combined perspective view of the seat plate integrated chair back of the present invention;
6 is an exploded perspective view of the seat plate integrated chair back of the present invention;
7 is a perspective view showing the upper structure of the lower plate of the seat cushion of the present invention;
8 is a perspective view showing the lower structure of the seat cushion lower plate of the present invention;
9 is a combined perspective view showing the lower structure of the seat plate integrated chair back of the present invention;
Figure 10 is a frontal combined perspective view of the seat plate integrated chair back and the seat cushion lower plate of the present invention;
11 is a side view of the combined seat back of the seat plate and the lower seat of the seat cushion according to the present invention;
12 is a perspective view of the bottom surface of the seat plate-integrated chair back and the seat cushion lower plate of the present invention combined;
13 is a perspective view of another embodiment of the guide rail means corresponding to FIG. 6 of the present invention;
14 is a perspective view of another embodiment of the guide rail means corresponding to FIG. 8 of the present invention;
15 is a side cross-sectional view of another embodiment of the seat plate fastening adjustment bolt handle corresponding to FIG. 10 of the present invention;
Figure 16 is a side cross-sectional view of the seat cushion lower plate of Figure 15 of the present invention is fixed

Hereinafter, it will be described in detail through embodiments of the present invention.

At this time, the thickness of the lines or the size of components shown in the accompanying drawings for explaining the preferred embodiment of the present invention may be exaggerated or omitted for clarity and convenience of description, and according to the reference numerals in the drawings The given terms are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of the user or operator.

Figure 5 is a combined perspective view of the seat plate integrated chair back of the present invention, Figure 6 is an exploded perspective view of the seat plate integrated chair back of the present invention, Figure 7 is a perspective view showing the upper structure of the seat cushion lower plate of the present invention, Figure 8 is A perspective view showing the lower structure of the seat cushion lower plate of the present invention, FIG. 9 is a combined perspective view showing the lower structure of the seat plate integrated chair back of the present invention, and FIG. It is a perspective view, Figure 11 is a side view of the combined seat plate integrated chair back and seat cushion lower plate of the present invention, Figure 12 is a bottom surface coupling perspective view of the seat plate integrated chair back and seat cushion lower plate of the present invention.

As shown in the drawings, the chair structure 1000 of the present invention is formed of a seat plate integrated chair back 100 and a seat cushion lower plate 200, and the seat plate integrated chair back 100 includes a chair back 110 and a chair. It is composed of a backrest attachment plate 120 , a chair back side plate 130 , and a seat plate 140 .

The chair back 110 is formed in a somewhat round shape on which a normal back can be leaned, and a chair back handle hole 111 is formed in the upper part so that a person can use it to move it, and the chair back 110 is mounted on the chair back 110. A chair back attachment plate 120 is attached, and a chair back handle hole 121 is formed to match the chair back handle hole 111 .

In addition, the chair back side plate 130 is formed in succession to the chair back 110, and the seat plate 140 is continuously formed integrally, and the seat lower plate 200 is located on the upper part of the seat plate 140 It is linked to move forward and backward according to the body shape. In the drawings, the outer cover is omitted.

The chair back side plate 130 is integral with the chair back 110, and armrest fastening grooves 132 are formed in the upper left and right sides to fasten the armrest support 134. It is formed by means such as a press fit. .

The seat plate 140 is integrally formed with the seat back side plate 130, and a seat plate through hole 141 for air is formed in the central part in the same direction as the ventilation hole 210 of the seat lower plate 200 to be described later. of the through hole to ventilate the buttocks, and to form long seat cushion guide holes 144a, 144b, 144c, and 144d on the front and rear left and right sides to form the seat plate fastening holes 222a, 222b of the lower seat cushion 200 to be described later. ) (222c) and (222d) and connected by bolts (hereinafter referred to as “guide rail means”), the seat cushion lower plate 200 is moved forward and backward to fit the body shape.

In addition, fastening holes 142a, 142b, 142c, and 142d of the seat plate 140 are formed on the front and rear left and right sides of the central part of the seat plate 140 to be combined with the chair legs, and the seat plate fastening adjustment bolts are located in the front center part. The seat cushion coupling hole 146 for inserting the seat plate fastening adjustment bolt 262 of the handle 260 is formed, and the seat plate coupling protrusion of the seat cushion lower plate 200 is parallel to the left and right of the seat cushion coupling hole 146. (223a) (223b) is coupled to the lower seat cushion plate 200 to stop the seat plate 140 is formed on the lower portion of the seat cushion coupling projections (148a, 148b).

Next, the seat cushion lower plate 200 will be described.

The seat cushion lower plate 200 has a ventilation vent 210 formed in the central part, and a reinforcing rib 220 is formed at the edge to reinforce the seat lower plate 200 itself, and the seat lower plate 200 is provided. Long seat plate fastening holes 222a, 222b, 222c, and 222d are formed in the front and rear left and right sides of the seat plate 140 by using the seat cushion guide holes 144a, 144b, 144c, 144d and bolts. It is connected and the seat cushion lower plate 200 is moved back and forth to fit the body shape.

And, in the front part of the seat cushion lower plate 200, a guide hole receiving part 240 is formed in a rectangular frame, and a seat plate coupling guide hole 230 is formed therebetween, and the seat board coupling guide hole 230 of the Left cushion guide rails 221a and 221b are formed on the left and right sides, and the seat plate coupling protrusions 223a and 223b of the lower seat seat 200 are formed at the lower part thereof, and the seat cushion of the lower seat seat plate 200 is formed with them. The coupling protrusions 148a and 148b are coupled to enable the seat cushion lower plate 200 to be adjusted.

And, in the coupling of the seat cushion lower plate 200 and the seat plate 140, the seat plate fastening member 250 is formed as a bolt coupling rod 254 while forming a bolt coupling hole 252, and the bolt coupling hole 252. When the seat plate fastening adjustment bolt 262 formed on the seat plate fastening adjustment bolt handle 260 is fastened to the seat cushion lower plate 200, when the seat plate fastening adjustment bolt 262 is tightened, the seat plate 140 itself is elastically The seat cushion coupling protrusions 148a and 148b formed on the seat plate 140 and the seat plate engaging protrusions 223a and 223b of the lower seat seat plate 200 are coupled while being in close contact to stop the lower seat seat plate 200.

As a result, the seat plate fastening member 250 is moved back and forth within the range of the guide hole receiving part 240, so that the seat plate fastening adjustment bolt handle ( 260) of the seat plate fastening adjustment bolt 262 as a center to enable forward and backward movement.

In addition, a ventilation vent 210 is formed in the central portion of the seat cushion lower plate 200, and a vent support is formed in the middle, and a functional package (not shown) is inserted in the middle of the vent support. A functional packaging body coupling hole 213 is formed so that it can be used.

Therefore, the adjustment of the seat cushion lower plate 200 is normally performed by the elasticity of the plastic material of the seat seat lower plate 200 by the adjustment of the seat plate fastening adjustment bolt handle 260 so that it can be used according to the body type. ) and it is possible to move forward and backward in this state, and by tightening the seat plate fastening adjustment bolt handle 260, it is fixed according to the fastening of the upper and lower seat cushion lower plates 200 and the seat plate 140, thereby adjusting the width of the chair. and can be used comfortably according to the body type.

Next, another embodiment of the guide rail will be described.

13 is a perspective view of another embodiment corresponding to FIG. 6 of the present invention, and FIG. 14 is a perspective view of another embodiment corresponding to FIG. 8 of the present invention.

And, as another embodiment of the guide rail means, the seat plate 140 is replaced with a “L”-shaped ring instead of the long seat cushion guide holes 144a, 144b, 144c, and 144d on the left and right sides of the seat plate 140, and the left Instead of the seat plate fastening holes 222a, 222b, 222c, and 222d of the cushion lower plate 200, a “b”-shaped ring is substituted.

Therefore, instead of the seat cushion lower plate 200, a “L”-shaped ring is coupled to the “L”-shaped ring formed long on the front and rear left and right sides of the seat plate 140, so that the seated person can adjust it in the desired direction according to the guide rail. will be a chair.

Next, another embodiment of the seat plate fastening adjustment bolt handle for coupling and fixing the seat plate 140 and the seat cushion lower plate 200 will be described.

15 is a side cross-sectional view of another embodiment of the seat plate fastening adjustment bolt handle corresponding to FIG. 10 of the present invention;

Figure 16 is a side cross-sectional view of the seat cushion lower plate of Figure 15 of the present invention is fixed

As shown in FIG. 15 , the description of the same structure in the other embodiment will be omitted.

However, looking at the difference, it relates to the fixing means 300. The seat plate 140 and the seat lower plate 200 are structurally, as shown in FIG. 11, the seat plate 140 is formed in a round shape like the horizon, and the Since the lower part of the seat cushion 200 is horizontal, there are long seat plate fastening holes 222a, 222b, 222c, 222d on the front and rear left and right sides of the seat lower plate 200 coupled while guiding forward and backward in the middle. ) to form a seat cushion guide hole 144a, 144b, 144c, 144d and bolts 145a, 145b, 145c and 145d of the above-described seat plate 140 to form a lower seat plate 200 ) is fixed horizontally so as to be movable back and forth, the lower seat plate 140 and the lower seat cushion plate 200 are structurally somewhat apart, and they are made of plastic material and are formed of thin plates at the same time. There is tension so that a gap (gaps) occurs, so the upper and lower plates are usually separated.

In addition, the seat plate 140 has seat cushion coupling protrusions 148a and 148b formed side by side on the upper end of the front end, and in the middle there is a seat cushion coupling hole 146 for inserting a bolt post 320 to be described later. is formed

In addition, the seat cushion lower plate 200 has seat plate coupling protrusions 223a and 223b formed at the lower portion thereof, and a guide hole 230 is formed in the middle portion thereof to insert the bolt post 320 . , it has a structure that can guide it.

Here, the bolt head 320 is formed with a bolt head 310 and inserted into the guide hole 230, and then inserted into the seat cushion coupling hole 146 of the seat plate 140 under it, and then the bolt The eccentric cam 340 is coupled with the bolt coupling pin 330 to the pin hole 320a formed at the end of the post 320 .

And, the end of the bolt coupling pin 330 is formed in two strands to accommodate the eccentric cam 340 so that the eccentric cam 340 can be safely rotated.

The eccentric cam 340 has a pin hole (not shown) formed in the middle, and a handle 350 is formed on one side to rotate the eccentric cam 340 by 90 degrees as shown in FIG. 320), the seat plate 140 and the lower seat cushion plate 200 are opened, so that the seat lower plate 200 can be moved forward and backward, and the eccentric cam 340 is rotated 180 degrees as shown in FIG. Alternatively, when rotating to the original position, the seat plate 140 and the seat lower plate 200 are brought into contact with the bolt holder 320, and eventually the seat seat coupling protrusions 48a and 48b and the seat plate engaging protrusions 223a. (223b) is coupled to stop the movement, the seat plate is fixed and does not move.

In the above, preferred embodiments of the present invention have been illustrated and described, but the present invention is not limited to the above-described embodiments, and is generally used in the field to which the present invention pertains without departing from the gist of the present invention as claimed in the claims. Anyone with the knowledge of can make various modifications, of course, such changes will be within the scope of the claims.

100: seat plate integrated chair back 110: chair back
120: chair back attachment plate 130: chair back side plate
140: seat plate 200: seat cushion lower plate
210: ventilation vent 220: reinforcing rib
230: seat plate combination guide hole 240: guide hole receiving part
250: seat plate fastening member 260: seat plate fastening adjustment bolt handle
320: bolt holding 330: bolt coupling pin
340: eccentric cam 350: handle

Claims (3)

As the chair structure 1000, it is formed of a seat back plate integrated chair back 100 and a seat cushion lower plate 200,
The seat plate integrated chair back 100 is connected to the chair back 110, the chair back side plate 130 is formed in front, and the seat plate 140 is continuously formed in the lower part thereof,
In the upper part of the seat plate 140, the guide hole receiving part 240 is formed in a rectangular frame in the front part, and the seat plate coupling guide hole 230 is formed therein, and also to the left and right of the seat board coupling guide hole 230. Left seat guide rails 221a and 221b are formed, and seat plate coupling protrusions 223a and 223b are formed on the left and right side in parallel from the bottom of the left seat guide rails 221a and 221b. A guide rail means is formed so that it can be moved forward and backward according to the body shape in connection with this, and the seat plate 140 and the seat cushion lower plate 200 are fastened with tension by a fixing means in a state away from each other,
The fixing means inserts a bolt post 320 having a bolt head 310 into the seat plate coupling guide hole 230 and the seat cushion coupling hole 146, and the bolt post 320 is the bolt post 320. The eccentric cam 340 is coupled with the bolt coupling pin 330 to the pin hole 320a formed at the end of the eccentric cam 340, the pin hole is formed in the middle, and the handle 350 is formed on one side. A chair with an adjustable seat cushion according to the body type.
The method of claim 1,
When the eccentric cam 340 has a handle 350 formed on one side to rotate the eccentric cam 340 by 90 degrees, the seat plate 140 and the seat cushion lower plate 200 by the bolt support 320. is widened, and when the eccentric cam 340 is rotated 180 degrees or to the original position, the seat plate 140 and the seat lower plate 200 are brought into contact by the bolt post 320, characterized in that The seat cushion can be adjusted according to the body type.
3. The method of claim 1 or 2,
The guide rail means is characterized in that it consists of a “L”-shaped ring formed long on the left and right sides of the front and rear of the seat plate 140, and a “L”-shaped ring formed on the seat lower plate 200 opposite to the “L”-shaped ring. The seat cushion can be adjusted according to the body type.

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