TWM608250U - armchair - Google Patents

Abstract

An armchair, comprising: a back board; a structure connected with the back board, the seat structure has a concave curved surface on one side of the adjacent back board; at least two first supporting parts connected with the seat structure; The two supporting parts are connected to the seat structure and each have a second contact part and a second inner recess. The second inner recess is in the shape of "ㄩ" and has a second included angle between 90 degrees and 170 degrees, One end of the second inner recess is a closed end, the second contact part is located at the closed end, and the other end of the second inner recess is an open end; at least two armrests are connected to the seat structure and the back plate; among them, when two armrests When the chairs are stacked up and down, the second support part of the upper armchair will be inserted into the second inner concave part of the lower armchair by entering through the open end.

Description

armchair

This case is about an armchair, especially an armchair with a stable overlapping state.

Some armchairs on the market (such as outdoor chairs, lounge chairs, rattan chairs, etc.) are placed by consumers in the courtyard for rest, or by the catering industry for outdoor use. For the sake of leisure or comfort during riding, it usually has a large seat surface, or has an ergonomic backrest, or is provided with an armrest area that rests on the forearm.

Compared with benches, office chairs, bar chairs, etc., this type of chair has the characteristics of being more stable or relatively bulky. However, the larger body size will lead to the problem of space occupation. Therefore, the market has also provided some methods for stacking each other and facilitating storage for the aforementioned seats.

Figures 1 to 2 are a schematic diagram of the conventional armchair and a schematic diagram of the stacked state. As shown in Figure 1, there is a hollow area under the two sides of the armrest of the armchair, and there is a gap between the front feet and the rear feet under the two sides of the armrest of the armchair.

As shown in Figure 2, when the user folds this conventional armchair, the rear legs of the upper armchair will pass through the hollow area under the armrests on both sides and be located between the front legs and the rear legs. The upper armchair The rear legs of the armchair abut against the front of the rear legs of the lower armchair, and the front legs of the upper armchair are against the front of the front legs of the lower armchair. As more armchairs overlap each other, the center of gravity of these overlapping armchairs shifts forward, forming a form that is easy to fall.

In addition, there is no structure that restricts each other between the two armchairs. The upper armchair and the lower armchair are easy to slide, especially for armchairs with a smooth surface or a smooth curved surface, or the friction coefficient is small. For armchairs made of the same material, this sliding problem is even more serious.

Some manufacturers will try to design additional limit elements in armchairs and armchair supports, but this will increase the overall volume and shift the center of gravity more seriously.

Therefore, how to provide an armchair that can have a more stable stacking state and will not fall over due to the excessive shift of the center of gravity is indeed an important issue.

In view of the above problems, this case provides an armchair, including: a back plate; a structure connected to the back plate, the seat structure has a concave curved surface on one side of the adjacent back plate; at least two first support parts, and the seat The structure is connected; at least two second support portions, connected to the seat structure, each have a second contact portion and a second inner recessed portion, the second inner recessed portion is "ㄩ" shaped with a second included angle, the second included angle between Between 90 degrees and 170 degrees, one end of the second inner recess is a closed end, the second contact part is located at the closed end, and the other end of the second inner recess is an open end; at least two armrests, seat structure and back plate Connected; wherein, when two armchairs described in this paragraph are stacked on top of each other, one of the second support parts of the armchair described in this paragraph will enter through the open end and be embedded in the other one described in this paragraph The second inner recess of the armchair.

In one embodiment, each of the first supporting parts has a first contact part, and a first reinforcing rib is arranged between the first supporting parts.

In an embodiment, the back plate, the seat structure, the first supporting parts, the second supporting parts, and the armrests are integrally formed.

In one embodiment, the armrests are connected to the back plate diametrically to form a first arc surface, and the first arc surface does not have any corners.

In one embodiment, the first supporting portion has a first inner concave portion, the first inner concave portion is in the shape of "ㄑ" and has a first included angle, and the first included angle is between 1 degree and 120 degrees.

In an embodiment, each of the armrests has a groove on the side facing the seat structure.

In one embodiment, the handrail has an arc-shaped curved surface facing the other handrail, and the smallest radius of curvature of the arc-shaped curved surface is between 10 cm and 30 cm.

In one embodiment, when the armchairs are stacked on top of each other, the distance between one of the armchairs described in this item and the other of the armchairs described in this item is not more than 3 cm.

In summary, this case provides an armchair. When stacked up and down, the second support part of the upper armchair is inserted into the second inner recess of the lower armchair, so that the upper armchair will be restricted in the front and rear directions, thereby providing A more stable stacking state.

At the same time, with the aforementioned stacking state, the overall center of gravity can be prevented from being excessively shifted, and the problems caused by the seat tipping under the stack can be avoided.

Finally, the concave curved surface of the seat structure, the first curved surface connecting the armrests and the back panel, is ergonomic, and it also improves the comfort of the armchair.

Hereinafter, the armchair of the preferred embodiment of the present invention will be described with reference to related drawings, and the same elements will be described with the same reference signs.

It should be noted that all directional terms (for example: up, down, left, right, front, back, etc.) in the embodiments of this case are only used to explain a specific state (as shown in the attached drawings) If the relative positional relationship between the various components, movement conditions, etc., if a specific state changes, the directional terms will also change accordingly.

As shown in FIG. 3, the armchair 9 includes: a back plate 1, a base structure 2, at least two first supporting parts 3, at least two second supporting parts 4, and at least two armrests 5.

The seat structure 2 is a part for the user to sit on. It is connected with the back plate 1. The user has to lean his back against the back plate 1. The seat structure 2 has a concave curved surface 21 on the side adjacent to the back plate 1. The concave curved surface 21 emphasizes ergonomics, allowing the user to naturally tilt backward when riding, so that the spine fits on the back plate 1, and has a relaxed and comfortable support. In addition, the concave curved surface 21 is set to make It is not easy for the user to slip off the armchair 9.

Both the first support part 3 and the second support part 4 are connected to the seat structure 2. In this embodiment, the first support part 3 is used as the front leg of the armchair 9 and the second support part 4 is used as the armchair 9 Back foot. In other embodiments, the two structures may be replaced, and this case is not limited to this.

In this embodiment, each of the first supporting parts 3 has a first contact part 31, and the first contact part 31 is when the armchair 9 is placed upright on a plane (meaning the position where the armchair 9 is placed, in the figure) Not shown), the actual contact and support part of the armchair 9 with the plane. In some embodiments, the first contact portion 31 is thickened to enhance the strength of the bottom structure; in some embodiments, the first contact portion 31 is widened to increase the contact area between the armchair 9 and the plane, thereby Strengthen and stabilize the support of the armchair 9.

In addition, there is a first reinforcing rib 32 between the first supporting parts 3 on both sides of the armchair 9. The first reinforcing rib 32 also connects the front edge of the seat structure 2 and is arranged to strengthen the support strength during riding. In some embodiments, the width of the first reinforcing rib 32 may be greater than the width of the first contact portion 31.

As shown in FIG. 3, in some implementations, the armchair 9 has two or more first support parts 3, preferably two first support parts 3. The first supporting portion 3 further has a first inner concave portion 33. The first inner concave portion 33 is in the shape of "ㄑ" and has a first included angle 34 between 1 degree and 120 degrees. In some embodiments, the angle between the angle bisector of the "ㄑ" shape of the two first support parts 3 on the left side and the right side of the armchair 9 is between 120 degrees and 45 degrees, preferably between 95 degrees and Between 85 degrees, it is better to be perpendicular to each other. In some embodiments, an end of the first inner recess 33 away from the seat structure 2 is connected to the first contact portion 31. In other embodiments, the armchair 9 may have more than two first supporting parts 3.

As shown in FIGS. 3 to 4, in some embodiments, the armchair 9 has two or more second supporting parts 4, preferably two second supporting parts 4. The second supporting portion 4 each has a second contact portion 41 and a second concave portion 43. If the perspective view of FIG. 3 is viewed from above, it can be seen that the second concave portion 43 is approximately in the shape of "ㄩ", which has an intervening A second included angle 44 between 85 degrees and 170 degrees, preferably the second included angle 44 is between 90 degrees and 160 degrees. One end of the second inner concave portion 43 is a closed end 431, and the other end of the second inner concave portion 43 is an open end 432.

The second contact portion 41 is located at the closed end 431, which has the same or similar function as the aforementioned first contact portion 31, by adding a flat surface (meaning the position where the armchair 9 is placed, not shown in the figure) The contact area enhances the stability and support of the armchair 9.

The end connecting the second inner recess 43 and the seat structure 2 is an open end 432, and the distance between the open ends 432 on both sides of the armchair 9 is smaller than the width of the front edge of the seat structure 2 (as shown in FIG. 3). In short, the seat structure 2 has a recessed portion 22 on the side connected to the second supporting portion 4 (that is, the side close to the back plate 1) relative to the front edge, so that the seat structure 2 has a similar pattern in the top view. The main difference between the shape of "convex" and the shape of "convex" is that the upper left and upper right corners of the "convex" character further have the rear side of the second inner recess 43 (ie side wall 434). Regarding the structure of the second inner recess 43 As mentioned above, if the perspective view of FIG. 3 is viewed from the top, it can be seen that the second inner concave portion 43 is approximately in the shape of "ㄩ".

As shown in FIGS. 3 to 4, the armrests 5 on both sides of the armchair 9 are connected to the back plate 1 and the seat structure 2, and the armrests 5 and the back plate 1 are radially connected to form a first arc surface 51. Among them, the first arc surface 51 does not have any corners. In this embodiment, the first curved surface 51 emphasizes ergonomics, which is different from the connection relationship between the armrest 5 and the back plate 1 of some chairs (for example, the conventional armchair in Figure 1, the armrest and the back plate are connected in a straight line) , The first curved surface 51 is closer to the angle of the user's elbow flexion when riding, which will better improve the user's comfort when leaning against the forearm.

Furthermore, each handrail 5 has an arc-shaped curved surface 52 in the direction toward the other side of the handrail 5 (that is, the direction in which the handrails 5 on both sides face each other), and the minimum radius of curvature of the curved curved surface 52 is limited to 10 cm. To 30 cm. When the user's forearm is against the armrest 5, he will not feel uncomfortable due to sharp or abrupt bending corners.

In addition, each side of the armrest 5 facing the seat structure 2 has a groove 53. The groove 53 extends outward and downward along the armrest 5, and the user can hold the groove 53 to move the armchair 9.

In this embodiment, the back plate 1, the seat structure 2, the first supporting portion 3, the second supporting portion 4, and the armrest 5 are integrally formed.

In other embodiments, the various parts of the armchair 9, such as the back plate 1, the seat structure 2, the first support portion 3, the second support portion 4, and the armrest 5, may optionally be separate elements, or at least the foregoing The two are integrally formed components.

Figure 5 is a schematic diagram of two armchairs 9, 9'being stacked up and down in an embodiment of the present invention. As shown in Figure 5, when the two armchairs 9, 9'are joined up and down, the second support part 4 of one of the armchairs 9 (meaning the upper armchair 9) will enter through the open end 432'. Embedded in the second inner recess 43' of the other armchair 9'(meaning the armchair 9'below).

As mentioned above, with the indented portion 22' of the seat structure 2', the second support portion 4 of the upper armchair 9 can smoothly pass through the seat structure 2'of the lower armchair 9', and then directly connects to the open end 432' , Embedded in the second inner recess 43' of the armchair 9'below.

The two side walls 433, 434 of the second inner recess 43 gradually extend away from each other from the closed end 431 to the open end 432 (meaning that the two side walls 433, 434 gradually expand upward from the bottom of the armchair 9), As a result, the second inner concave portion 43 resembles a funnel cross-sectional shape with a wide upper portion and a narrow lower portion. It should be noted that the degree of expansion of the two side walls 433, 434 needs to be selected appropriately, because once the degree of expansion is too large, the supporting force of the second support part 4 will be reduced; once the degree of expansion is too small, it will also hinder the upper armrest. The second support part 4 of the chair 9 is embedded. Preferably, when the two armchairs 9, 9'are stacked up and down, the distance between one armchair 9 and the other armchair 9'(that is, the vertical distance between the upper and lower chairs) is not more than 3 cm.

It is worth mentioning that the second support part 4 is provided with the second inner recessed part 43, so that the upper armchair 9 can be restricted in the front and rear direction when the upper armchair 9 is stacked, which will improve the conventional folding of some armchairs. In the state, the upper armchair 9 will move back and forth caused by problems (for example: if the user is not careful when folding, or the armchair 9, 9'is impacted or pulled in the folded state, it is easy to be caused by excessive center of gravity. The ground shifted and dumped).

In addition, it is also worth mentioning that when the conventional armchair 8 is folded, the upper chair and the lower chair will be at least one foot thicker in the front-to-back direction (as shown in Figure 2), but in comparison, As shown in FIG. 5, when the present case is stacked, the upper chair and the lower chair are only slightly different from each other in the front-rear direction by the thickness of one side wall 433, 434 of the second inner recess 43. The thickness of the side walls 433, 434 will be significantly smaller than the thickness of the entire chair leg. As a result, the overall forward shift of the center of gravity will be greatly improved, especially when more chairs need to be stacked, and the excessive shift of the center of gravity will be improved. The situation is even more pronounced.

In summary, this case provides an armchair. When stacked up and down, the second support part of the upper armchair is inserted into the second inner recess of the lower armchair, so that the upper armchair will be restricted in the front and rear directions, thereby providing A more stable stacking state.

At the same time, with the aforementioned stacking state, the overall center of gravity can be prevented from being excessively shifted, and the problems caused by the seat tipping under the stack can be avoided.

Finally, the concave curved surface of the seat structure, the first curved surface connecting the armrests and the back panel, is ergonomic, and it also improves the comfort of the armchair.

The above description is only illustrative, and not restrictive. Any equivalent modifications or changes made to it without departing from the spirit and scope of this case shall be included in the scope of the attached patent application.

1, 1’: Backplane 2. 2’: Block structure 21: sunken surface 22, 22’: Indentation 3. 3’: First Support Department 31, 31’: The first contact 32: The first reinforcement rib 33, 33’: The first inner recess 34, 34’: the first angle 4. 4’: The second support department 41, 41’: second contact part 43, 43’: the second inner recess 431, 431’: closed end 432, 432’: open end 433, 433’, 434, 434’: sidewall 44: second angle 5, 5’: Handrail 51, 51’: the first arc 52, 52’: curved surface 53, 53’: Groove 8, 8’: customary armchair 81, 81’: back panel 82, 82’: Block structure 83, 83’: Front feet 84, 84’: Rear feet 85: hollow area 9, 9’: armchair

Figure 1 is a three-dimensional schematic diagram of a conventional armchair. Figure 2 is a schematic diagram of the stacking of conventional armchairs. Fig. 3 is a three-dimensional schematic diagram of an embodiment of the present invention. Figure 4 is a schematic side view of an embodiment of the present invention. Figure 5 is a schematic view of the overlay of an embodiment of the present invention.

1: backplane

2: Block structure

21: sunken surface

22: Indentation

3: The first support department

31: The first contact

32: The first reinforcement rib

33: The first inner concave part

34: The first angle

4: The second support department

41: second contact

43: second inner recess

431: closed end

432: open end

433, 434: Sidewall

44: second angle

5: Handrail

51: The first arc

52: curved surface

53: Groove

9: armchair

Claims (8)

An armchair containing: A backplane A structure connected with the back plate, and the seat structure has a concave curved surface on one side adjacent to the back plate; At least two first support parts connected with the seat structure; At least two second supporting parts are connected to the seat structure. Each of the second supporting parts has a second contact part and a second inner concave part. The second inner concave part is in the shape of "ㄩ" and has a second included angle, The second included angle is between 90 degrees and 170 degrees, one end of the second inner concave portion is a closed end, the second contact portion is located at the closed end, and the other end of the second inner concave portion is an open end; At least two armrests connected with the seat structure and the back plate; Wherein, when two armchairs described in this paragraph are stacked on top of each other, the second support part of one of the armchairs described in this paragraph will enter through the open end and be embedded in the armrest described in this paragraph. The second inner recess of the chair. The armchair according to claim 1, wherein each of the first supporting parts has a first contact part, and there is a first reinforcing rib between the first supporting parts. The armchair according to claim 1, wherein the back plate, the seat structure, the first supporting parts, the second supporting parts and the armrests are integrally formed. The armchair according to claim 1, wherein the armrests are diametrically connected with the back plate to form a first arc, and the first arc does not have any corners. The armchair according to claim 1, wherein the first support portion has a first inner recess, the first inner recess is in the shape of "ㄑ" and has a first included angle, and the first included angle is between 1 degree and 120 degrees between. The armchair according to claim 1, wherein each side of the armrests facing the seat structure has a groove. The armchair according to claim 1, wherein the armrest has an arc-shaped curved surface facing the other armrest, and the minimum radius of curvature of the arc-shaped curved surface is between 10 cm and 30 cm. The armchair described in claim 1, wherein when two armchairs described in this subsection are stacked on top of each other, the distance between one of the armchairs described in this subparagraph and the other armchair described in this subparagraph is not greater than 3 cm.

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