CN218279096U - Folding chair frame and folding chair thereof - Google Patents

Abstract

The utility model discloses a folding chair frame, which comprises a main supporting rod group, a front supporting rod group and a rear supporting rod group which are positioned at two sides; the utility model discloses a chair frame, including front and back bracing pieces, main bracing piece group, the back bracing piece group, the front and back bracing pieces group is rotatable respectively and installs and the front and back side of bracing piece group, and main bracing piece group is including crossing articulated first bracing piece and second bracing piece, and the mutual articulated position department of first bracing piece and second bracing piece is equipped with the locating part, and the locating part includes the sleeve, is equipped with the stopper on the sleeve, is equipped with spacing card hole on the stopper, the utility model discloses rational in infrastructure, folding and expansion of chair frame are easy and convenient to operate, portable to it is more laminated with the body curve, and the comfort level is high, and for example the upside of the first bracing piece after expanding can also laminate with the human back, uses as the back; the front rod with the arc-shaped section can be attached to the hip and the leg when a person puts down, so that the sitting comfort of the person can be improved; and through preceding bracing piece group, back bracing piece group and locating part that intercrossing is articulated, steadiness when can improving the expansion.

Description

A folding chair frame and its folding chair

technical field

The utility model relates to the technical field of daily necessities, in particular to a folding chair frame and a folding chair thereof.

Background technique

Folding chairs are portable and stackable, which are convenient to move and save space. They are loved by consumers, especially for outdoor leisure. But now some folding chairs are not stable enough, or do not conform to the curve of the human body, and the use comfort is not high.

Contents of the invention

Therefore, based on the above background, the utility model provides a folding chair frame and its folding chair. The folding and unfolding operations are simple and convenient, and it not only fits the body curve better, improves the comfort of use, but also has high stability.

The technical scheme provided by the utility model is:

A kind of folding chair frame, it comprises the main supporting rod group that is positioned at two sides, front supporting rod group, rear supporting rod group; Said front supporting rod group is rotatably installed on the front side of main supporting rod group, said rear The rod set is rotatably installed on the rear side of the main support rod set;

The main support rod group includes a cross-hinged first support rod and a second support rod, the first support rod and the second support rod are arc rods, and the first support rod and the second support rod rotate mutually Folding and unfolding, when the first support rod and the second support rod are in the unfolded state, the top end of the first support rod is above the top end of the second support rod;

A limiter is provided at the position where the first support rod and the second support rod are hinged to each other, the limiter includes a sleeve, the sleeve is provided with a limit block, and the limit block is provided with a limit card hole;

The sleeve is sleeved on the first support rod, and the second support rod is rotatably mounted on the sleeve through bolts. When the first support rod and the second support rod are in an unfolded state, the second support rod The rod cooperates with the limit card hole for card connection;

The lower ends of the first support rod and the second support rod are rotatably mounted on the foot kit;

The front support rod set includes 2 cross-hinged front rods, and the rear support rod set includes 2 cross-hinged rear rods.

To further describe the utility model, when the first support rod and the second support rod are in the unfolded state, the arc-shaped opening of the first support rod is obliquely upward, and the arc-shaped opening of the first support rod is obliquely downward.

To further describe the utility model, the upper end of the front rod is rotatably mounted on the front end of the second support rod on one side through the first connecting piece, and its lower end is rotatably mounted on the foot sleeve where the second support rod on the other side is located. superior.

To further describe the utility model, one end of the rear rod is rotatably mounted on the first support rod on one side through the second connecting piece, and the other end is rotatably mounted on the foot where the first support rod on the other side is located. on the kit.

To further describe the utility model, the length of the rear rod is greater than the length of the front rod.

To further describe the utility model, the first connecting piece includes a fixed plate and a mounting block, the mounting block is located under the fixing plate, and a mounting groove is provided on the mounting block, and the first connecting piece can be rotatably installed On the second support rod, the upper end of the front rod is rotatably installed in the installation groove.

To further describe the utility model, the front rod includes a straight rod section and an arc-shaped rod section, and the arc-shaped rod section is located above the intersecting hinge positions of the two front rods; when the chair frame is unfolded, the arc-shaped rod section The arc-shaped opening is obliquely upward.

The utility model also provides a folding chair, which comprises the above-mentioned folding chair frame.

To further describe the utility model, it also includes a chair cloth matched with the folding chair frame, the chair cloth includes a cloth body, and the four corners of the cloth body can be suitably provided with sleeves, which are located on the same side The sleeve on one side can be inserted into the first support rod, and the sleeve on the opposite side can be inserted into the second support rod.

The beneficial effects of adopting the above-mentioned technical scheme are as follows:

The utility model has a reasonable structure, the folding and unfolding of the chair frame is simple and convenient, and it is easy to carry, and it fits the curve of the body more closely and has a high degree of comfort. It can be used as a backrest; and the front rod with an arc-shaped rod section can fit the hips and legs of the human body when it is lowered, which can improve its comfort when sitting; and the cross-hinged front support rod group and rear support rod The group and its limiting parts can improve the stability when unfolding.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation one of embodiment 1 of the present utility model;

Fig. 2 is the structural representation two of embodiment 1 of the present utility model;

Fig. 3 is the structural representation three of the implementation 1 of the utility model;

Fig. 4 is a structural schematic diagram of a position limiting member of the present invention;

Fig. 5 is the structural representation of the front bar of the present utility model;

Fig. 6 is a reference schematic diagram of the folded use state of the utility model;

Fig. 7 is the structural representation of embodiment 2 of the present utility model;

Fig. 8 is a structural schematic diagram of the chair cloth of the present utility model;

In the figure: 1, the first support rod; 2, the second support rod; 3, the front rod; 31, the straight rod segment; 32, the arc rod segment 4, the rear rod; 5, the limit piece; 51, the sleeve; 52, limit block; 521, limit card hole; 6, foot kit; 7, first connector; 71, installation groove; 72, installation groove; 8, second connector; 9, chair cloth; 91, cloth Body; 92, pipe sleeve.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions. In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical" The orientation or positional relationship indicated by , "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific Orientation, construction and operation in a specific orientation, and therefore should not be construed as limiting the utility model.

In the description of the present utility model, "first feature" and "second feature" may include one or more of these features. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features.

Below in conjunction with accompanying drawing, the utility model is further described.

Embodiment 1: According to a kind of folding chair frame shown in Fig. 1 to Fig. 6, it comprises the main support rod group, the front support rod group, the rear support rod group on both sides; The front support rod group is rotatably installed On the front side of the main support rod set, the rear support rod set is rotatably mounted on the rear side of the main support rod set;

The main support rod group includes a cross-hinged first support rod 1 and a second support rod 2, the first support rod 1 and the second support rod 2 are arc rods, the first support rod 1 and the second support rod The two support rods 2 are mutually rotated to be folded and unfolded. When the first support rod 1 and the second support rod 2 are in the unfolded state, the top of the first support rod 1 is located above the top of the second support rod 2;

As shown in Fig. 4, a stopper 5 is provided at the position where the first support rod 1 and the second support rod 2 are hinged to each other, and the stopper 5 includes a sleeve 51 on which a stopper is provided. Block 52, the limit block 52 is provided with a limit card hole 521;

The sleeve 51 is sleeved on the first support rod 1, and the second support rod 2 is rotatably mounted on the sleeve 51 through bolts. When the first support rod 1 and the second support rod 2 are in the expanded state , the second support rod 2 cooperates with the limit card hole 521 to engage; the limit member can limit and lock the first support rod 1 and the second support rod 2 after deployment , can increase the stability of the chair frame after unfolding.

The lower ends of the first support rod 1 and the second support rod 2 are rotatably mounted on the foot kit 6;

The front support rod set includes two cross-hinged front rods 3 , and the rear support rod set includes two cross-hinged rear rods 4 . What needs to be explained here is that the front, back, left, and right in this embodiment refer to the orientation shown in FIG. 1 .

In practice, the first support rod 1, the second support rod, the front rod 3, and the rear rod 4 can be made of hollow steel pipes to reduce their weight.

As shown in Figure 2, when the first support rod 1 and the second support rod 2 are in the unfolded state, the arc-shaped opening of the first support rod 1 is obliquely upward, and the arc-shaped opening of the first support rod 2 is obliquely upward. Facing downward, the part above the first support rod fits the back of the human body during specific use, which can support the back of the person to a certain extent, play the role of the back of the chair, and increase the comfort of use.

The upper end of the front rod 3 is rotatably mounted on the front end of the second support rod 2 on one side through the first connecting piece 7 , and its lower end is rotatably mounted on the foot cover 6 where the second support rod 2 is located on the other side.

One end of the rear rod 4 is rotatably mounted on the first support rod 1 on one side through the second connecting piece 8, and the other end is rotatably mounted on the foot kit 6 where the first support rod 1 on the other side is located. . In this embodiment, the foot set can play the role of supporting the bottom surface and its connecting parts, which can facilitate the connection of various components. During specific implementation, the bottom surface of the foot set is provided with anti-slip lines to increase its anti-slip performance and stability.

The length of described back bar 4 is greater than the length of front bar 3, and the connection position of back bar and the first support bar is higher than the position that front bar is connected with the second support bar with this, described back bar can be used as for the first support bar The part of the back of the chair plays a supporting role, which can further improve its stability.

As shown in Figure 5, the first connecting piece 7 includes a fixing plate 72 and a mounting block, the mounting block is located below the fixing plate, and the mounting block is provided with a mounting groove 71, and the first connecting piece 7 can be Rotatingly installed on the second support bar 2, the upper end of the front bar 3 is rotatably installed in the installation groove 71, and through the first connecting piece, two front bars will not be separated from each other when they are folded and unfolded. The folding and unfolding operation of the chair frame caused by the collision of the second support rod is not smooth.

During specific implementation, the limiting member and the first connecting member are made of plastic material.

As shown in Figure 3, the chair frame is in the unfolded state. As shown in Figure 6, the chair frame is in the folded state. When unfolding, it is only necessary to control the two support rods on both sides to move away from the direction. In the folded state, It only needs to relatively move the upper ends of the first support rod and the second support rod, and the operation is simple and convenient.

Embodiment 2: According to a folding chair frame shown in Figures 1 to 7, the front bar 3 includes a straight bar section 31 and an arc-shaped bar section 32, and the arc-shaped bar section 32 is located between the two front bars 3. Above the cross hinge position; when the chair frame is unfolded, the arc-shaped opening of the arc-shaped rod section 32 faces obliquely upward.

Compared with Embodiment 1, the arc-shaped rod section of the front rod can be fitted with the hips and legs of a person, which is more in line with the curve of the human body and can further improve its comfort.

Embodiment 3: A folding chair, which includes the folding chair frame of Embodiment 2, and the chair cloth 9 matched with the folding chair frame. The chair cloth 9 includes a cloth body 91, and the four corners of the cloth body 91 can be adapted to A pipe sleeve 92 is provided on the ground, and the pipe sleeve 92 on the same side can penetrate into the first support rod 1 , and the pipe sleeve 92 on the opposite side can penetrate into the second support rod 2 .

As shown in Figure 8, the opening directions of the pipe sleeves adapted to the first support rod and the second support rod are opposite. The sleeve located under the cloth body is suitable for the second support rod with its opening facing upwards.

During specific implementation, the cloth body is made of elastic cloth.

During specific implementation, the folding chair can also include a matching backpack into which the folded chair frame can be placed, which is convenient for storage and carrying.

The utility model and its implementation have been described above. This description is not restrictive. What is shown in the drawings is only one implementation of the utility model, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a structural method and embodiment similar to the technical solution, it shall be protected by the utility model scope.

Claims (9)

1. A folding chair frame, characterized in that, It includes a main support rod group, a front support rod group and a rear support rod group located on both sides; the front support rod group is rotatably installed on the front side of the main support rod group, and the rear support rod group is rotatably installed on the rear side of the main strut set; The main support rod group includes a cross-hinged first support rod and a second support rod, the first support rod and the second support rod are arc rods, and the first support rod and the second support rod rotate mutually Folding and unfolding, when the first support rod and the second support rod are in the unfolded state, the top end of the first support rod is above the top end of the second support rod; A limiter is provided at the position where the first support rod and the second support rod are hinged to each other, the limiter includes a sleeve, the sleeve is provided with a limit block, and the limit block is provided with a limit card hole; The sleeve is sleeved on the first support rod, and the second support rod is rotatably mounted on the sleeve through bolts. When the first support rod and the second support rod are in an unfolded state, the second support rod The rod cooperates with the limit card hole for card connection; The lower ends of the first support rod and the second support rod are rotatably mounted on the foot kit; The front support rod set includes 2 cross-hinged front rods, and the rear support rod set includes 2 cross-hinged rear rods. 2. A folding chair frame according to claim 1, characterized in that, when the first support rod and the second support rod are in the unfolded state, the arc-shaped opening of the first support rod faces upwards obliquely, and the The arc-shaped opening of the first support rod faces downward obliquely. 3. A folding chair frame according to claim 1, wherein the upper end of the front rod is rotatably mounted on the front end of the second support rod on one side through the first connecting piece, and the lower end is rotatably Install it on the foot kit where the second support pole on the other side is located. 4. A folding chair frame according to claim 3, wherein one end of the rear rod is rotatably mounted on the first support rod on one side through the second connecting piece, and the other end is rotatable The installation on the other side is on the foot kit where the first support rod is located. 5. A folding chair frame according to claim 1, characterized in that the length of the rear rod is greater than the length of the front rod. 6. A folding chair frame according to claim 3, wherein the first connecting piece comprises a fixing plate and a mounting block, the mounting block is located below the fixing plate, and a mounting block is provided on the mounting block. The first connecting piece is rotatably installed on the second support rod, and the upper end of the front rod is rotatably installed in the installation groove. 7. A folding chair frame according to claim 1, wherein the front rod includes a straight rod segment and an arc-shaped rod segment, and the arc-shaped rod segment is located above the intersecting hinge positions of the two front rods ; When the chair frame is unfolded, the arc-shaped opening of the arc-shaped rod section faces upwards obliquely. 8. A folding chair, characterized in that it comprises the folding chair frame according to any one of claims 1-7. 9. A folding chair according to claim 8, characterized in that it also includes a chair cloth matched with the folding chair frame, the chair cloth includes a cloth body, and the four corners of the cloth body can respectively A pipe sleeve is provided on the ground, and the pipe sleeve on the same side can be inserted into the first support rod, and the pipe sleeve on the opposite side can be inserted into the second support rod.

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