TWM613669U - Portable folding chair - Google Patents

Abstract

This creative department provides a portable folding chair, which basically includes two vertical side frames, a folding linkage frame group, two armrest frames, two chair back support rods and a flexible fabric; each vertical side frame includes upper and lower rods The foldable linkage frame is connected between the two vertical side frames. The two armrests are pivoted on the two vertical side frames. When the two armrests are folded, they form a middle back part. , The two seat back support rods are connected to the top of the two armrests, the two sides of the seat part of the flexible fabric are positioned on the rods above the two vertical side frames, and the two sides of the chair back are set on the two backs Support rod; its main feature is that the middle of the chair back of the flexible fabric is combined with a handle part, and the handle part is located at the middle back part when the portable folding chair is in a folded state for the user to lift.

Description

Portable folding chair

This creation relates to a kind of folding chair, especially to the revealer of the innovative structure of a portable folding chair.

The folding chair referred to in this creation mainly refers to a light and casual type whose chair structure is composed of a foldable frame and flexible chair cover fabrics (such as waterproof cloth, mesh cloth, etc.). The type is currently widely seen in the outdoor camping supplies market. It is favored by related consumers due to its compact size after storage and convenient carrying and transportation.

As for the folding method of the folding chair, the design and development of various manufacturers are also different. For example, some are folded into a bundle, some are folded into a flat shape, and whether folded into a bundle or flat shape, the current industry Usually a carrying bag is provided for the user to hold the folding chair after being folded, and is convenient for carrying and carrying. However, this method still finds some problems in practical application experience. For example, usually carrying the bag The size of the folding chair will be made to exactly match the volume of the folding chair. Therefore, when the user wants to put the folding chair into the bag, the folding chair is often faced with obstacles and time-consuming problems due to the incomplete folding state of the folding chair. , And once the carrying bag is damaged or lost, the folding chair will be inconvenient to carry; therefore, how to develop a structure of folding chair that is more convenient for carrying and carrying is indeed worthy of continued attention from the relevant industry Important technical issues for research and development.

Therefore, how to develop an innovative structure with more ideal and practicality in response to the problems of the above-mentioned conventional portable folding chair structure is what users expect, and it is also the goal and direction for the relevant industry to strive for breakthroughs in research and development; In view of this, the creator has been engaged in the manufacturing, development and design of related products for many years. Aiming at the above goals, after detailed design and careful evaluation, he finally has a practical creation.

The main purpose of this creation is to provide a portable folding chair. The technical problem it wants to solve is to make innovation breakthroughs with the goal of developing a new type of folding chair with more ideal practicality.

Based on the foregoing objective, the present invention provides a portable folding chair, which basically includes two vertical side frames, a folding linkage frame group, two armrests, two chair back support rods, and a flexible fabric; The side frames all include an upper rod part, a lower rod part and two vertical rod parts. The folding linkage frame group is connected between the two vertical side frames in an elbow movable state. The folding linkage frame group and the two vertical side frames are optional Folded into a flat structure, the two armrests are pivoted on the poles above the two vertical side frames in a state that can be folded to the left and right respectively, and when the two armrests are in the folded state, they form a middle back. The two seat back support rods are connected to the top of the two armrest frames in a forwardly foldable state. The flexible fabric includes a seat part and a seat back. The corresponding sets of the two sides of the seat part are positioned in two vertical directions On the rods above the side frame, the two sides of the chair back are positioned on the two back support rods corresponding to the sets; and the middle of the chair back of the flexible fabric is combined with a handle part, and the handle part is integrally formed in the portable folding chair When folded, it is exactly on the middle back.

With this innovative structure and technical features, this creation compares with the prior art. Through the shape feature that the handle part is located at the middle spine when the portable folding chair as a whole is folded, it can be more conducive to the supply. The user lifts and carries the portable folding chair to achieve more convenient and practical progress; and when the handle part is used in the upright state of the back of the chair, a hooking part can be formed behind the back of the chair to provide hanging The added value and function of other objects.

Another purpose of this creation is another technical feature that each V-shaped folding frame is provided with a soft sheath near the end of each pivot, so that when the V-shaped folding frame is folded, it can prevent the V-shaped folding frame from being folded. The advantages and practical improvement of the strong collision, noise and abrasion phenomenon of the two sections of the folded frame in a folded and leaning state.

Another purpose of this creation is to use another technical feature of the buckle positioning component between the two sides of the chair back of the flexible fabric to strengthen the positioning of the chair back, two armrests and two chair backs at the same time. The advantages and practical advancement of the support rod in the folded state.

Please refer to Figures 1 to 8, which are the preferred embodiments of the creative portable folding chair. However, these embodiments are for illustrative purposes only and are not limited by this structure in the patent application.

The portable folding chair basically includes two vertical side frames 10, a folding linkage frame group 20, two armrest frames 30, two backrest support rods 40, and a flexible fabric 50; wherein each of the vertical side frames 10 Each includes an upper rod portion 11, a lower rod portion 12, and two vertical rod portions 13. The foldable linkage frame group 20 is connected between the two vertical side frames 10 in an elbow movable state, and the foldable linkage frame group 20 is connected to the The two vertical side frames 10 can be selectively folded into a flat structure (as shown in FIG. 6), and the two armrest frames 30 are pivoted on the two vertical side frames 10 in a state that they can be folded toward the left and right, respectively. When the upper rod portion 11 and the two armrest frames 30 are in a folded state, a middle back portion 31 is formed oppositely, and the two seat back support rods 40 are connected to the two armrest frames 30 in a forwardly foldable state. At the top, the flexible fabric 50 includes a seat portion 51 and a seat back 52. The two sides of the seat portion 51 correspond to the sets located on the upper rod portion 11 of the two vertical side frames 10, and the seat back 52 is two The side corresponding sets are positioned on the two backrest support rods 40; and the flexible fabric 50 is further combined with a handle 60 at the middle of the back 52 of the chair, and the handle 60 is attached to the portable folding chair When the whole is in a folded state, it is exactly located at the middle back part 31, so as to facilitate the user to carry the portable folding chair.

As shown in FIG. 1, in this example, the folding linkage frame group 20 includes two V-shaped folding frames 21 and two connecting positioning frames 22, wherein each of the V-shaped folding frames 21 has an elbow portion 213 and two pivot ends. 215. The two pivot sleeve ends 215 are pivotally connected to the upper rod portion 11 corresponding to each of the vertical side frames 10 to form each of the V-shaped folding frames 21 in a state that can be elbow moved by force, and the two connecting positioning frames 22 Articulated through two movable joints 221, each of the connecting positioning frames 22 has a plurality of pivoting sections 223, and each of the pivoting sections 223 is combined with a corresponding vertical rod portion of the vertical side frame 10 through a sliding pivot seat 23. 13. The sliding pivoting seat 23 is shown in FIG. 2 and has a vertical sleeve 231 and a horizontal through hole 232 that are separated from each other. The vertical sleeve 231 is slidably disposed on the vertical rod portion 13 so as to be liftable In the displacement state, each of the pivoting sections 223 is pivoted to the corresponding horizontal frame hole 232 through a rivet 224, and the outer side of the vertical sleeve 231 corresponds to the pivoting position of the rivet 224 to form a riveting avoidance hole 233; and each The corresponding V-shaped folding frame 21 and the connecting positioning frame 22 have two cross stacking parts 24 arranged in pairs at intervals, and each of the cross stacking parts 24 is pinned with a shaft bolt 25 to form a pivot point. And pivot linkage point.

As shown in FIG. 1, in this example, the portable folding chair further includes a foldable table 70. The inner side of the foldable table 70 is pivotally connected to the corresponding vertical side frame 10 through two upper linkage arms 71. The upper rod portion 11 and the outer side of the foldable table 70 are pivotally connected to the sliding pivot seat 23 slidably provided on the corresponding vertical rod 13 through two lower linkage arms 72 to form the foldable table The outer side of 70 follows the descent of the sliding pivot seat 23 and swings down and collapses (refer to FIG. 4 and FIG. 5).

As shown in FIG. 3, in this example, the foldable table plate 70 also has a mounting hole 73 for the card assembly to position a combined cup holder 74. In this embodiment, the detachable type of the combined cup holder 74 is mainly used to achieve the advantage of being more convenient for the user to remove and clean (or damage and replace).

As shown in Figure 1, in this example, each of the V-shaped folding frames 21 is provided with a soft sheath 217 (which can be made of rubber, sponge or other similar materials) adjacent to each pivot end 215. The advantage of this embodiment is that when the V-shaped folding frame 21 is folded, as shown in Figs. 5 to 7, it can prevent the two frame sections of the V-shaped folding frame 21 from being folded and leaning strongly. Collision, noise and abrasion phenomena.

As shown in Figures 1 and 2, in this example, the predetermined height position of each vertical rod portion 13 of each vertical side frame 10 is further set to a limit seat 14 for stopping the corresponding sliding type The pivoting seat 23 allows the upward displacement stroke of each pivoting section of the two connecting positioning frames 22 to be limited.

Wherein, the handle component 60 is composed of a woven belt, and its two ends are combined and fixed to the seat back 52 by sewing; because the seat back 52 is usually made of cloth material, the handle component 60 adopts a woven belt car. The seam type should be a reasonable method in terms of the current process technology of the relevant industry. However, the handle component 60 in this creation does not exclude the type made of leather or plastic materials.

As shown in FIG. 9, in this example, a buckle positioning component 80 is also provided between the two sides of the chair back 52 of the flexible fabric 50, and the buckle positioning component 80 is used to strengthen the positioning of the chair back 52, The folded state of the two armrest frames 30 and the two seat back support rods 40; the purpose of adding the buckle positioning assembly 80 in this embodiment is mainly for consideration: although the two armrest frames 30 are folded downward, it is generally normal In terms of the situation, even if the handle 60 is forced to lift up, the two armrest 30 will not be pulled upwards, but the two armrest 30 is not fixed after all. Assume that the user folds the two armrest 30 The action is not in place. When the handle 60 is forced to lift up, the second armrest 30 may be pulled upwards and return to the upward swing angle. Therefore, the buckle positioning assembly 80 can be used at this time. It exerts the effect of firmly positioning the armrest frame 30 in the folded state.

With the above-mentioned structural composition and technical features, when the portable folding chair disclosed in this creation is to be folded in actual use, please refer to the changes shown in Figure 4 to Figure 7 in order (Note: These drawings are deliberately shifted). In addition to the present state of the flexible fabric 50 for a clear view of the skeleton part of the portable folding chair), the user must first apply force to make the connecting positioning frame 22 of the foldable linkage frame set 20 appear to be in a zigzag state, so as to release its alignment The supporting and positioning state of the distance between the vertical side frames 10, so that the two vertical side frames 10 can be relatively close together as shown by arrow L1 in Figure 5, and then as shown by arrow L2 in Figure 6, the two The seat back support rod 40 is folded forward to be folded on the two armrest frames 30 respectively. Finally, as shown by arrow L3 in Fig. 7, the two armrest frames 30 are folded towards the left and right respectively and folded on the two armrest frames respectively. Two vertical side frames 10 outside, the folding of the portable folding chair is now completed. If this state is viewed with the complete appearance of the flexible fabric 50 as shown in Fig. 8, the handle part 60 just protrudes Above the middle back part 31 formed in the middle of the chair back 52, in this state, the user can directly hold the handle part 60 with his hands, and can easily carry the portable folding chair. The handle part 60 In addition to providing a hand-holding function, as shown in FIG. 1, when the back 52 of the chair is used in an unfolded upright state, the lower end of the handle 60 and the back 52 of the seat are sewn together to form a hooking part at the same time. , And can provide additional functions to hang other objects (such as umbrellas, water bottles or plastic bags, etc.).

10: Vertical side frame 11: Upper pole 12: Lower pole 13: Upright 14: limit seat 20: Folding linkage frame group 21: V-shaped folding frame 213: Elbow 215: Pivot end 217: Soft sheath 22: Connect the positioning frame 221: Movable Joints 223: Pivot Section 224: Rivet 23: Sliding pivot seat 231: Vertical sleeve 232: Horizontal through hole 233: Riveting Cooperation Industry Avoidance Hole 24: Cross stacking part 25: Axle bolt 30: armrest frame 31: Middle back part 40: Chair back support rod 50: Flexible fabric 51: Chair seat 52: Chair back 60: handle parts 70: Foldable table 71: Upper Linkage Arm 72: Lower Linkage Arm 73: mounting hole 74: combined cup holder 80: buckle positioning component

Figure 1 is a combined perspective view of a preferred embodiment of the creation. Fig. 2 is a vertical sectional view of the position marked 2 in Fig. 1; Figure 3 is an exploded perspective view of the foldable table top and the combined cup holder of the preferred embodiment of the creation Figure. Figure 4 is the first schematic diagram of the folding and changing state of the frame of the portable folding chair created. Figure 5 is the second schematic diagram of the folding state of the frame of the created portable folding chair. Figure 6 is the third schematic diagram of the folding and changing state of the frame of the portable folding chair created. Figure 7 is the fourth schematic diagram of the folding and changing state of the frame of the portable folding chair created. Figure 8 is a complete three-dimensional appearance view of the created portable folding chair in its folded state. Figure 9 is the creation of the flexible fabric chair with buckle positioning components between the two sides of the back Variation example diagram.

10: Vertical side frame

11: Upper pole

12: Lower pole

13: Upright

14: limit seat

20: Folding linkage frame group

23: Sliding pivot seat

30: armrest frame

31: Middle back part

40: Chair back support rod

50: Flexible fabric

52: Chair back

60: handle parts

70: Foldable table

71: Upper Linkage Arm

72: Lower Linkage Arm

Claims (8)

A portable folding chair basically includes two vertical side frames, a folding linkage frame group, two armrest frames, two chair back support rods and a flexible fabric; wherein each vertical side frame includes an upper rod part , A lower rod part and two vertical rod parts, the foldable linkage frame group is connected between the two vertical side frames in an elbow movable state, the foldable linkage frame group and the two vertical side frames can be selectively folded into one A flat structure, the two armrests are pivoted on the upper rods of the two vertical side frames in a state that can be folded toward the left and right, respectively, and when the two armrests are in a folded state, they form a middle back relative to each other The two seat back support rods are connected to the top of the two armrests in a forwardly foldable state. The flexible fabric includes a seat part and a seat back. The two sides of the seat part are positioned corresponding to the set On the upper rod portion of the two vertical side frames, the two side corresponding sets of the chair back are positioned on the two chair back support rods; and the flexible fabric is further combined with a handle part at the middle of the chair back, In addition, when the portable folding chair is in a folded state as a whole, the handle component is exactly located at the middle back portion, so as to facilitate the user to carry the portable folding chair. The portable folding chair according to claim 1, wherein the folding linkage frame set includes two V-shaped folding frames and two connecting positioning frames, wherein each of the V-shaped folding frames has an elbow part and two pivot ends, the The two pivot sleeve ends are pivotally connected to the upper rod corresponding to each of the vertical side frames to constitute each of the V-shaped folding frames to be in a state of elbow movement under force. The two connecting positioning frames are hinged through two movable joints, each The connecting positioning frame has a plurality of pivoting sections, each of the pivoting sections is respectively combined with the vertical rod part of the corresponding vertical side frame through a sliding pivot seat, and the sliding pivot seat has a vertical direction that is separated from each other. The cylinder sleeve and a horizontal frame hole, the vertical cylinder sleeve is slidably arranged on the vertical rod part in a lifting displacement state, each of the pivoting sections is pivoted to the corresponding horizontal frame hole through a rivet, the vertical cylinder sleeve A rivet joint avoidance hole is formed on the outer side corresponding to the rivet pivot; and each corresponding V-shaped folding frame and the connecting positioning frame have two cross-stacking positions arranged in pairs at intervals, and each cross-folding The leaning parts are respectively set up with a shaft bolt to form a rotation fulcrum and a pivotal linkage point. The portable folding chair according to claim 2, wherein the portable folding chair further includes a foldable table plate, and the inner side of the foldable table plate is pivotally connected to one of the corresponding vertical side frames through two upper linkage arms The upper pole portion, the outer side of the foldable table top is pivotally connected to the sliding pivot seat slidably provided on the corresponding vertical pole portion through two lower link arms, forming the outer side of the foldable table top to follow the sliding The lowering of the hinged seat assumes a downward swing and folded state. The portable folding chair according to claim 3, wherein the foldable table plate further has a mounting hole for the card set to position a combined cup holder. The portable folding chair according to claim 2, wherein each of the V-shaped folding frames is provided with a soft sheath adjacent to each pivot end. The portable folding chair according to claim 2, wherein the predetermined height position of each vertical rod portion of each of the vertical side frames is set to a limit seat for stopping the corresponding sliding pivot seat , So that the upward displacement stroke of each pivotal section of the two connecting positioning frames is limited. The portable folding chair according to claim 1, wherein the handle part is composed of a woven belt, and its two ends are combined and fixed to the back of the chair by sewing. The portable folding chair according to claim 1, wherein a buckle positioning component is provided between the two sides of the chair back of the flexible fabric, and the buckle positioning component is used to strengthen the positioning of the chair back and the two at the same time. The folded state of the armrest frame and the two chair back support rods.

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