KR102640285B1 - A Chair with a Member Capable of Adjusting a Length - Google Patents

Abstract

The present invention relates to a chair having a length-adjustable member structure. The chair having a length-adjustable member structure includes an upper frame (11) that supports the upper part of the body; A lower frame (12) having a portion in contact with the ground; and a connecting frame 13 connecting the upper frame 11 and the lower frame 12. The upper frame 11 is made of a pair of backrest members extending while facing each other, and each backrest member is connected to the other. It consists of fixed backrest members 111a and 111b that are connected and have an adjustable extended length, and adjustable backrest members 112a and 112b that can adjust the length of the fixed backrest members 111a and 111b.

Description

A chair with a member capable of adjusting a length {A Chair with a Member Capable of Adjusting a Length}

The present invention relates to a chair with a length-adjustable member structure, and more specifically, to a chair with a length-adjustable member structure capable of adjusting the length or height of a backrest member or a contact member.

Chairs can be used for a variety of purposes, and various types of chairs for indoor or outdoor use are known in the art. Outdoor chairs are used for purposes such as camping, fishing or outdoor relaxation, and are characterized by a simple structure and portability. Camping, fishing, or similar outdoor chairs are made with a simple structure and are made to a certain size regardless of the body structure, so for example, they may not be suitable for a person's height or upper body structure. Utility model registration number 20-0324936 discloses a chair equipped with a height adjustment means. Additionally, utility model registration number 20-0365924 discloses a backrest for a chair with an adjustable height of the headrest. For example, in the case of an outdoor camping chair, the structure of the chair itself is simple, so it is advantageous to have a structure that allows simple height adjustment of the backrest or frame. However, the prior art does not disclose a height-adjustable chair having such a structure.

The present invention is intended to solve the problems of the prior art and has the following purposes.

Prior art 1: Utility model registration number 20-0324936 (Park Sang-gyu, announced on September 2, 2003) Chair equipped with height adjustment means Prior art 2: Utility model registration number 20-0365924 (Park Yong et al., announced on October 28, 2004) Backrest plate for a chair with adjustable headrest height

The purpose of the present invention is to provide a chair with a length-adjustable member structure in which the height of the backrest or support frame can be adjusted, thereby allowing the height of the member to be adjusted according to body condition or sitting habits during use.

According to a preferred embodiment of the present invention, a chair having a length-adjustable member structure includes an upper frame supporting the upper part of the body; a lower frame having a portion in contact with the ground; and a connecting frame connecting the upper frame and the lower frame, wherein the upper frame consists of a pair of backrest members extending while facing each other, and each backrest member is connected to each other and a fixed backrest member whose extension length is adjustable, and It consists of an adjustable backrest member whose length is adjustable with respect to the fixed backrest member.

According to another suitable embodiment of the present invention, it further includes a stopper module that limits relative movement of the pair of backrest members.

According to another suitable embodiment of the present invention, the adjustable backrest member is structured to be inserted into the fixed backrest member.

The chair structure of the length-adjustable member according to the present invention allows the chair structure to be adjusted to suit the body condition or sitting habits by adjusting the length of the member forming the backrest. The chair according to the present invention may be applied to, for example, a camping chair or a chair for similar purposes, but is not limited thereto.

Figure 1 shows an embodiment of a chair having a length-adjustable member structure according to the present invention.
Figure 2 shows an example of a length adjustment means applied to a chair according to the present invention.
Figure 3 shows another embodiment of the length adjustment means applied to the chair according to the present invention.
Figure 4 shows another embodiment of the length adjustment means applied to the chair according to the present invention.
Figure 5 shows an example of a structure in which the length of the seat is adjusted according to the length adjustment of the chair according to the present invention.

Below, the present invention will be described in detail with reference to the embodiments shown in the attached drawings, but the examples are for a clear understanding of the present invention and the present invention is not limited thereto. In the description below, components having the same reference numerals in different drawings have similar functions, so unless necessary for understanding the invention, the description will not be repeated, and well-known components will be briefly described or omitted, but the present invention It should not be understood as being excluded from the embodiments.

Figure 1 shows an embodiment of a chair having a length-adjustable member structure according to the present invention.

Referring to Figure 1, a chair having a length-adjustable member structure includes an upper frame 11 that supports the upper part of the body; A lower frame (12) having a portion in contact with the ground; and a connecting frame 13 connecting the upper frame 11 and the lower frame 12. The upper frame 11 is made of a pair of backrest members extending while facing each other, and each backrest member is connected to the other. It consists of fixed backrest members 111a and 111b that are connected and have an adjustable extended length, and adjustable backrest members 112a and 112b that can adjust the length of the fixed backrest members 111a and 111b.

The chair may include a plurality of linear members, and an upper frame 11, a lower frame 12, and a connecting frame 13 may be formed by the plurality of linear members. The upper frame 11 may include a pair of backrest members facing each other, and the backrest members may have a linearly extending linear member structure, and may have a length-adjustable structure. The seated person's back can be supported by the upper frame 11, and the backrest seat can be fixed by the backrest member as shown on the right side of FIG. 1. A pair of backrest members (111a, 111b, 112a, 112b) may be composed of a fixed backrest member (111a, 111b) and an adjustable backrest member (112a, 112b) whose length is adjustable with respect to the fixed backrest members (111a, 111b). . The fixed backrest members 111a and 111b may extend upward in parallel to face each other, for example, may extend upward while being inclined laterally outward and backward. Adjustable backrest members 112a and 112b may be coupled to each of the fixed backrest members 111a and 111b to enable length adjustment. For example, the fixed backrest members 111a, 111b and the adjustable backrest members 112a, 112b may be hollow structures with a circular, elliptical, or polygonal cross-section, and the fixed backrest members 111a, 111b may be an adjustable backrest member ( It can be inserted into the interior of 112a, 112b), and the insertion level can be adjusted to adjust the overall length of the backrest member. Alternatively, it may be inserted into the interior of the fixed backrest members 111a and 111b into the interior of the adjustable backrest members 112a and 112b. Optionally, a connector member may be coupled between the fixed backrest members 111a and 111b and the adjustable backrest members 112a and 112b. Additionally, the level at which the connector member, the fixed backrest members 111a, 111b, and the adjustable backrest members 112a, 112b are coupled can be adjusted to adjust the length of the entire backrest member. The length of the fixed backrest members 111a, 111b or the adjustable backrest members 112a, 112b may be adjusted in various ways, and the present invention is not limited thereby. The fixed backrest members 111a and 111b and the adjustable backrest members 112a and 112b may have various structures whose lengths are adjustable, thereby allowing the length of the backrest portion to be adjusted. The upper frame 11 may include various frames depending on the structure of the chair, and the present invention is not limited thereby.

The lower frame 12 may include a plurality of contact members 121 to 12L in contact with the ground, and each contact member 121 to 121L has one end in contact with the ground so that the entire frame forming the chair is supported. You can lose. A connecting frame 13 may be formed between the upper frame 11 and the lower frame 12, and the connecting frame 13 may include at least one connecting member 131 to 13N. The upper frame 11, lower frame 12, and connecting frame 13 may include various types of linear members or auxiliary members such as armrests, and such distinction should be understood for convenience of explanation. Referring to the embodiment shown on the right side of FIG. 1, a chair seat can be combined with a chair frame to complete a leisure or relaxation chair, such as a camping chair. The fixed backrest member 111 may be formed in a structure extending from the lower frame 12 to the upper frame 11, and the adjustable backrest member 112 may be coupled to the fixed backrest member 111 so that the length can be adjusted. there is. The length of the backrest height L1 can be adjusted by adjusting the length of the adjustable backrest member 112. Optionally, the chair may have a structure in which the floor height L2 is adjusted by adjusting the height of the lower frame member (for example, 121) forming the lower frame 12. The backrest height (L1) or floor height (L2) can be adjusted by adjusting the combined length between the two members that are connected to each other. Below, this method of controlling the bond length is explained in detail.

Figure 2 shows an example of a length adjustment means applied to a chair according to the present invention.

Referring to Figure 2, the fixed backrest member 111 and the adjustable backrest member 112 may be combined to allow length adjustment. In the description below, the fixed backrest member 111 and the adjustable backrest member 112 may be a fixed backrest member or an adjustable backrest member, or may be two members that can be combined with each other to form a support frame member. The fixed backrest member 111 and the adjustable backrest member 112 may have a hollow tube shape, and the adjustable backrest member 112 may be inserted into the fixed backrest member 111 at various lengths. Figure 2 (a) shows the fixed back member 111 and the adjustable back member 112 in a separated state, shows the internal structure and plane of Figure 2 (b), and Figure 2 (c) ) shows the state of being combined with each other. A receiving groove 23 may be formed in the fixed backrest member 111, and an induction gap 231 may be formed from the receiving groove 23 to one end of the fixed backrest member 111. An extension gap LG may be formed in the adjustable backrest member 112, and the extension gap LG may extend to various lengths along the longitudinal direction of the adjustable backrest member 112. A fixing tab 24 movable along the extension gap LG may be coupled to the adjustable backrest member 112, and the fixing tab 24 may be received and fixed in the receiving groove 23. The upper part of (b) of FIG. 2 shows a cross section along the longitudinal direction of the adjustable backrest member 112 and a cross section of the fixing tab 24, and the cross section of the fixing tab 24 is an extension of the adjustable backrest member 112. It shows a cross section in a direction perpendicular to the direction. A plurality of stopper blocks 25_1 to 25_K may be formed separated from each other along the longitudinal direction of the inner peripheral surface of the adjustable backrest member 112. The fixing tab 24 includes a tab leg 241 whose both ends can be positioned in the separation gap formed by the stopper blocks 25_1 to 25_K adjacent to each other; a tab head 242 protruding out of the adjustable backrest member 112; And it may include a connection neck 243 connecting the tab leg 241 and the tab head 242. Additionally, fixing protrusions 244a and 244b that are elastically coupled to both sides of the tab head 242 may be formed. Also, referring to the lower part of (b) of FIG. 2, the receiving groove 23 has an overall circular or oval shape and has an inwardly concave edge portion 234; A through hole 232 formed inside the edge portion 234; And it may include fixing holes 233a and 233b extending from the periphery of the through hole 232 toward the edge portion 234. The tab head 242 can be accommodated in the edge portion 234, and the fixing protrusions 244a and 244b can be fixed to the fixing holes 233a and 233b. Referring to (c) of FIG. 2, the adjustable backrest member 112 can be inserted into the fixed backrest member 111 at various lengths, and when inserted at a predetermined length, the fixing tab 24 extends the gap LG. and can be moved along the guidance gap 231. The fixing tab 24 can be moved along the extension gap LG when directed in the first direction, but has a stopper block (24) so that it cannot be moved due to the stopper blocks 25_1 to 25_K when directed in the second direction perpendicular to the first direction. 25_1 to 25_K) and a tab leg 241 may be formed. The fixed tab 24 is moved at a predetermined length and is accommodated in the receiving groove 23 so that it can be rotated to face the second direction, thereby forming a tab leg 241 between two adjacent stopper blocks 25_1 to 25_K. can be located. In this state, the fixing protrusions 244a and 244b may be coupled to the fixing holes 233a and 233b by elasticity, thereby fixing the fixing tab 24. As an alternative to this structure, the receiving groove 23 and the fixing tab 24 may be screwed together. Specifically, it functions as a nut on the inner circumferential surface of the receiving groove 23, and the fixing tab 24 can have a nut structure that can be screwed together. The receiving groove 23 or the fixing tab 24 may have various structures, and the present invention is not limited thereto.

Figure 3 shows another embodiment of the length adjustment means applied to the chair according to the present invention.

Referring to (a) of FIG. 3, a plurality of fastening holes 33_1 to 33_L may be formed in the fixed backrest member 111, and an adjustable backrest member having a structure that can be inserted into the fixed backrest member 111 ( 112), a plurality of location confirmation signs (34_1 to 34_K) may be formed. An elastic tab 35 may be formed on the adjustable backrest member 112, and the elastic tab 35 can be moved in the inner direction of the adjustable backrest member 112 to which pressure is applied, and is moved by elasticity when the pressure is removed. It may protrude outward from the adjustable backrest member 112. Additionally, the extended end portion of the elastic tab 35 may be hemispherical, thereby allowing the elastic tab 35 to be easily moved within the fixed backrest member 111. Referring to (b) of FIG. 3, the adjustable backrest member 112 can be inserted into the fixed backrest member, and when the adjustable backrest member 112 is inserted to a predetermined length, the elastic tab 35 is connected to the fastening hole 33_1. to 33_L). In this process, the positioning marks (34_1 to 34_K) are positioned at 90 degrees in the circumferential direction of the adjustable backrest member 112 with respect to the elastic tab 35, and may be formed at the same intervals as the fastening holes (33_1 to 33_L). . As a result, the position of the elastic tab 35 can be confirmed during the process of inserting the adjustable backrest member 112, and the fastening holes 33_1 to 33_L and the elastic tab 35 can be easily coupled. Referring to (c) of FIG. 3, the fixed backrest member 111 and the adjustable backrest member 112 may be coupled to each other by the pressure pad ring 37. Specifically, the pressure pad ring 37 may be coupled to the outer peripheral surface of the fixed backrest member 111, and the elastic pad ring 36 may be coupled to the outer peripheral surface of the adjustable backrest member 112. The adjustable backrest member 112 may have a structure that can be inserted into the interior of the fixed backrest member 111 while being movable relative to the elastic pad ring 36, and the elastic pad ring 36 can be inserted into the fixed backrest member 111. It may have a structure in which a portion can be inserted between the and the pressure pad ring 37. When the adjustable backrest member 112 is inserted into the fixed backrest member 111 by a predetermined length, the pressure pad ring 37 presses the elastic pad ring 36 to fix the adjustable backrest member 112. For example, the pressure pad ring 37 may apply pressure to the elastic pad ring 36 by screwing or other pressing methods, but the present invention is not limited thereto.

Figure 4 shows another embodiment of the length adjustment means applied to the chair according to the present invention.

Referring to Figure 4, the fixed backrest member 111 and the adjustable backrest member 112 may be coupled to each other by the hinge pressing means 45. Referring to (a) of FIG. 4, the tightening pad ring 43 may be coupled to the fixed backrest member 111, and the compression pad ring 44 may be coupled to the adjustable backrest member 112. A hinge pressing means 45 may be coupled to the tightening pad ring 43, and as shown in (b) of FIG. 4, the tightening pad ring 43 may be in the shape of a hollow cylinder with one part open, A hinge pressing means 45 may be coupled to one open portion. The hinge pressing means 45 includes a pair of connecting blocks 451 formed to face each other and connected to the tightening pad ring 43; Reference pin 454 coupled to connection block 451; A rotation pin 453 that adjusts the spacing of the connection blocks 451 around the reference pin 451; and a handle 452 that rotates the rotation pin 453. When the handle 452 is rotated, the rotation pin 543 is rotated and the pair of connection blocks 541 come into contact with each other, compressing the hinge pressing means 45 and thereby compressing the compression pad ring 44, thereby compressing the adjustable backrest member. (112) can be fixed at a designated position. The adjustable backrest member 112 may be inserted into the interior of the fixed backrest member 111, and the compression pad ring 44 may be inserted into the interior of the tightening pad ring 43. Referring to (c) of FIG. 4, the fixed backrest member 111 and the adjustable backrest member 112a may be connected to each other by a connecting tube 46, and hinge pressing means 45a are provided on both sides of the connecting tube 46. The tightening pad rings 43a and 43b combined with 45b) may be combined. In this structure, the connecting tube 46 may have a similar function to the compression pad ring 44.

Figure 5 shows an example of a structure in which the length of the seat is adjusted according to the length adjustment of the chair according to the present invention.

Referring to Figure 5, the seat 51 is coupled to the fixed backrest members 111a and 111b and the adjustable backrest members 112a and 112b to support the back of the seated person. When the lengths of the fixed backrest members 111a and 111b and the adjustable backrest members 112a and 112b are adjusted, the length of the seat 51 may change accordingly. For example, if the length between the fixed backrest members 111a and 111b and the adjustable backrest members 112a and 112b is reduced, a folded portion 53 and a folded line 52 may be formed in the middle portion of the seat 51. It is advantageous for this folded portion 53 to be formed at the rear portion of the sheet 51. In this way, at least a portion of the rear surface of the sheet 51 may be made of a material that has high elasticity along the height or length direction with respect to the front surface of the sheet 51 so that a folded portion is formed in the rear portion of the sheet 51. . Alternatively, at least a portion of the rear surface of the sheet 51 may be more easily bent than the front surface of the sheet 51 or may be made of a soft material. The sheet 51 may have various structures in which a folded portion 53 may be formed at the rear portion of the sheet 51 during the length adjustment process, but the present invention is not limited thereto.

Although the present invention has been described in detail above with reference to the presented embodiments, those skilled in the art will be able to make various variations and modifications without departing from the technical spirit of the present invention by referring to the presented embodiments. . The present invention is not limited by such variations and modifications, but is limited by the claims appended below.

11: upper frame 12: lower frame
13: Connection frame 111, 111a, 111b: Fixed backrest member
112, 112a, 112b: Adjustable backrest member 113a, 113b: Stopper module

Claims (3)

an upper frame (11) supporting the upper part of the body; A lower frame (12) having a portion in contact with the ground; And a chair consisting of a connecting frame (13) connecting the upper frame (11) and the lower frame (12),
The upper frame 11 is made up of a pair of backrest members extending while facing each other, and each backrest member is connected to each other and has a fixed backrest member 111 whose extension length can be adjusted and a length with respect to the fixed backrest member 111. It consists of an adjustable backrest member 112,
A tightening pad ring (43) coupled to each of the fixed backrest members (111); A compression pad ring 44 coupled to each of the adjustable backrest members 112; and a hinge pressing means 45 coupled to the tightening pad ring 43, wherein the tightening pad ring 43 is shaped like a hollow cylinder with one side open, and the hinge pressing means 45 is coupled to one open side. And the compression pad ring 44 is inserted into the interior of the tightening pad ring 43,
The hinge pressing means 45 includes a pair of connecting blocks 451 formed to face each other and connected to the tightening pad ring 43; A reference pin 454 coupled to a pair of connection blocks 451; A rotation pin 453 that adjusts the spacing of the connection blocks 451 around the reference pin 451; and a handle 452 that rotates the rotation pin 453. When the handle 452 is rotated, the rotation pin 543 is rotated so that the pair of connection blocks 541 come into contact with each other and the hinge pressing means 45 A chair with a length-adjustable member structure, characterized in that the compression pad ring 44 is compressed by compressing and the adjustable backrest members 112 are respectively fixed at predetermined positions. delete delete