High-back chair capable of lying flat

Abstract

The utility model relates to the technical field of chairs, and particularly discloses a high-back chair capable of lying flat, which comprises a support frame and a chair cover detachably mounted on the support frame, the support frame comprises a base, a rear support rod and a front support rod, the rear support rod is telescopically fixed at the rear end of the base, the front support rod is fixed at the front end of the base, and the chair cover is detachably mounted on the support frame. The base comprises a first connecting rod and second connecting rods which are arranged in the front-back direction of the base, the two ends of the first connecting rod are connected with the two second connecting rods respectively, and the first connecting rod is a telescopic rod and can stretch out and draw back in the front-back direction of the base. The rear supporting rod is matched with the chair cover to support the back of the human body, so that the chair can be used as a high-back chair, when the first connecting rod is kept in the stretching-out state and the rear supporting rod is kept in the contracting state, the overall length of the chair can be increased, meanwhile, the rear supporting rod and the chair cover can be matched to support the head of the human body, and the chair can be used as a flat deck chair.

Description

Technical Field

[0001] The utility model relates to the technical field of chairs, in particular to a high-back chair that can be reclined. Background Art

[0002] Chairs are a common piece of furniture in daily life, including various styles such as seats and recliners. With the improvement of living standards, people have higher and higher requirements for the comfort of chairs and the diversification of their functions. The existing chairs have relatively single functions. Generally, seats cannot lie flat or the length for lying flat is not enough, while recliners cannot be sat on upright.

[0003] In the prior art, such as conventional chairs, the backrest is at most rotatable to adjust its inclination. However, since the length of the backrest and the seat is not enough to allow a person to lie flat on it, the person can only lean back and cannot lie flat. Like a conventional reclining chair, it cannot provide support for the back and cannot meet the requirements of sitting or standing. Summary of the Invention

[0004] The present invention is made in consideration of the above-mentioned problems. The purpose of the utility model is to provide a high-back chair that can be reclined. When the base is extended and the rear support rod is retracted, the chair can be used as a reclining chair for lying flat; when the base is retracted and the rear support rod is extended, the chair can be used as a high-back chair.

[0005] To achieve the above-mentioned object, the present invention provides a reclining high-back chair, comprising a support frame and a chair cover detachably mounted on the support frame, wherein the support frame comprises a base, a rear support rod and a front support rod, wherein the front support rod is fixed to the front end of the base, and the rear support rod is retractable and fixed to the rear end of the base, and the two ends of the chair cover are respectively connected to the rear support rod and the front support rod;

[0006] The base includes two first connecting rods arranged along the front-to-back direction thereof and a second connecting rod located between the two first connecting rods. The two ends of the first connecting rod are respectively connected to the two second connecting rods. The first connecting rod is configured as a telescopic rod and can be telescoped along the front-to-back direction of the base.

[0007] According to the above-mentioned reclining high-back chair, the two front support rods are symmetrically arranged on both sides of the front end of the base, the two rear support rods are symmetrically arranged on both sides of the rear end of the base, and the height of the top of the rear support rod is higher than the height of the top of the front support rod.

[0008] According to the above-mentioned high-back chair that can be reclined, the rear support rod includes an upper rod body and a lower rod body, one end of the lower rod body is fixedly connected to the base, the lower end of the upper rod body is movably clamped in the lower rod body, and the upper end of the upper rod body is detachably connected to the chair cover.

[0009] According to the above-mentioned reclining high-back chair, the side wall of the lower rod body is provided with a plurality of first positioning holes arranged along its length direction, and the side wall of the upper rod body is provided with a first positioning block movable along its diameter direction, and the first positioning block can extend into the first positioning hole.

[0010] According to the above-mentioned reclining high-back chair, each of the first connecting rods includes two outer rods and an inner rod, the two outer rods are respectively connected to the ends of the two second connecting rods, and the two ends of the inner rod are respectively movably inserted into the two outer rods.

[0011] According to the above-mentioned reclining high-back chair, a plurality of second positioning holes arranged in a horizontal direction are provided on the side wall of the outer rod, and at least two second positioning blocks that can move along the diameter direction thereof are provided on the inner rod, and the two second positioning blocks are respectively located at both ends of the inner rod, and the two second positioning blocks can respectively extend into the two second positioning holes.

[0012] According to the above-mentioned reclining high-back chair, the base further includes a connecting head, the first connecting rod and the second connecting rod are connected through the connecting head, and the front support rod and the rear support rod are both connected to the base through the connecting head.

[0013] The above-mentioned reclining high-back chair further includes a footrest, wherein four of the footrests are respectively inserted into the bottoms of the four connectors of the base.

[0014] The present invention has the following beneficial effects: the rear support rod and the first connecting rod of the base are both configured as retractable rods, so when the first connecting rod is extended, the overall length of the chair can be increased. At this time, if the rear support rod is in a retracted state, the entire chair can be used as a reclining chair, and when the first connecting rod is in a retracted state and the rear support rod is in an extended state, the extended rear support rod can be used as a high backrest, so the entire chair can be used as a high back chair, and the use state of the chair can be switched by extending and retracting the rear support rod and the first connecting rod, thereby realizing the diversification of the chair functions and meeting the needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the embodiment;

[0016] Figure 2 This is a bottom structural diagram of the support frame and the tripod assembly of the embodiment;

[0017] Figure 3 It is a schematic diagram of the base structure of an embodiment.

[0018] In the picture:

[0019] 1. Support frame; 11. Base; 111. First connecting rod; 111a. Outer rod; 111b. Inner rod; 111c. Second positioning block; 112. Second connecting rod; 113. Connector; 12. Rear support rod; 121. Upper rod; 121a. First positioning block; 122. Lower rod; 122a. First positioning hole; 13. Front support rod;

[0020] 2. Chair covers;

[0021] 3. Tripod. DETAILED DESCRIPTION

[0022] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0023] like Figure 1-3 As shown, a reclining high-back chair comprises a support frame 1 and a seat cover 2. The seat cover 2 is detachably mounted on the support frame 1. The support frame 1 is extended and retracted to drive the seat cover 2 to move, thereby switching the use state of the high-back chair.

[0024] Specifically, the support frame 1 includes a base 11, a rear support rod 12 and a front support rod 13, wherein the rear support rod 12 is telescopically fixed to the rear end of the base 11, and the front support rod 13 is fixed to the front end of the base 11. The front and rear ends of the seat cover 2 are respectively connected to the rear support rod 12 and the front support rod 13. The base 11 includes two first connecting rods 111 arranged along the front and rear directions thereof and a second connecting rod 112 located between the two first connecting rods 111. The two ends of the first connecting rod 111 are respectively connected to the two second connecting rods 112, which together form a rectangular base 11, wherein the first connecting rod 111 is set as a telescopic rod and can be moved along the When the base 11 is extended and retracted in the front-to-back direction, when the first connecting rod 111 remains in a retracted state and the rear support rod 12 remains in an extended state, the rear support rod 12 cooperates with the seat cover 2 to provide support for the back of the human body, so the chair can be used as a high-back chair; when the first connecting rod 111 remains in an extended state and the rear support rod 12 remains in a retracted state, the overall length of the chair can be increased, and at the same time, the rear support rod 12 and the seat cover 2 can cooperate to provide support for the human head, and the chair can be used as a reclining chair. By switching the telescopic state of the first connecting rod 111 and the rear support rod 12, the use state of the chair can be switched to meet the different needs of users.

[0025] In this embodiment, there are two front support rods 13 and two rear support rods 12. The two front support rods 13 are symmetrically arranged on both sides of the front end of the base 11, and the two rear support rods 12 are symmetrically arranged on both sides of the rear end of the base 11, that is, distributed at the four corners of the base 11, so as to support the chair cover 2 to facilitate the user to lie down or sit. The top height of the two rear support rods 12 is higher than the top height of the two front support rods 13. When it is used as a high-back chair, the rear support rods 12 extend upward to provide support for the human back. When it is used as a reclining chair, the rear support rods 12 are retracted. At this time, in order to provide support for the human head, the height of the rear support rods 12 should be higher than the height of the front support rods 13, and there is no need to carry an extra pillow.

[0026] Specifically, the rear support rod 12 includes an upper rod body 121 and a lower rod body 122. One end of the lower rod body 122 is fixedly connected to the base 11, and the lower end of the upper rod body 121 is movably clamped in the lower rod body 122. The upper end of the upper rod body 121 is detachably connected to the seat cover 2, that is, the upper rod body 121 can move up and down in the lower rod body 122, thereby realizing its extension and contraction, and synchronously driving the seat cover 2 to move up and down. In order to achieve the positioning of its up and down movement height, the side wall of the lower rod body 122 is provided with a plurality of first Positioning hole 122a, a first positioning block 121a that can move along its diameter direction is provided on the side wall of the upper rod body 121, and the first positioning block 121a can be extended into the first positioning hole 122a. After the upper rod body 121 is extended to a preset height, its first positioning block 121a extends into one of the first positioning holes 122a to achieve its positioning. When unlocking, you only need to press the first positioning block 121a to disengage it from the first positioning hole 122a. This means that the preset height adjustment can be achieved to meet the needs of people of different heights.

[0027] Specifically, each first connecting rod 111 includes two outer rods 111a and an inner rod 111b. The two outer rods 111a are respectively connected to the ends of the two second connecting rods 112. The two ends of the inner rod 111b are movably inserted into the two outer rods 111a. The side wall of the outer rod 111a is provided with a plurality of second positioning holes arranged in the horizontal direction. The inner rod 111b is provided with at least two second positioning blocks 111c that can move along its diameter direction. The two second positioning blocks 111c are respectively located at the two ends of the inner rod 111b. And the two second positioning blocks 111c can be respectively extended into the two second positioning holes, that is, when one end of the inner rod 111b is fixed, the connection between one outer rod 111a and the inner rod 111b can be adjusted first. Before adjustment, the second positioning block 111c can be pressed to disengage it from the second positioning hole. After the adjustment is completed, the second positioning block 111c is released to allow it to enter the other second positioning hole to achieve a fixed connection. After one outer rod 111a is adjusted, the second outer rod 111a can be adjusted.

[0028] In order to realize the connection between each rod body, the base 11 also includes a connecting head 113. The first connecting rod 111 and the second connecting rod 112 are connected through the connecting head 113, and the front support rod 13 and the rear support rod 12 are both connected to the base 11 through the connecting head 113. In this embodiment, the connecting head 113 is provided with a first interface, a second interface, a third interface and a fourth interface, wherein the first interface and the second interface are arranged in a horizontal direction and are perpendicular to each other, and one end of the first connecting rod 111 and the second connecting rod 112 can be inserted into the first interface and the second interface respectively, and the third interface is tilted upward, and the front support rod 13 and the rear support rod 12 are both inserted into the third interface.

[0029] In order to provide support for the base 11, a tripod 3 is also included. The four tripods 3 are respectively inserted into the bottom of the four connecting heads 113 of the base 11, that is, the tripod 3 can be inserted into the fourth downward interface of the connecting head 113. The tripod 3 is used to provide support for the base 11 to increase its height to meet the requirements of the chair.

[0030] The technical solution of the present invention has been described in detail above with reference to the accompanying drawings, and the embodiments described are intended to help understand the concept of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention may make various modifications or additions to the described specific embodiments, or adopt similar methods to replace them, without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0031] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] In addition, terms such as "first," "second," and "an" in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0033] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0034] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

Claims

1. A reclining high-back chair, characterized in that: The invention comprises a support frame and a seat cover detachably mounted on the support frame, wherein the support frame comprises a base, a rear support rod and a front support rod, wherein the front support rod is fixed to the front end of the base, and the rear support rod is retractable and fixed to the rear end of the base, and the two ends of the seat cover are respectively connected to the rear support rod and the front support rod; The base includes two first connecting rods arranged along the front-to-back direction thereof and a second connecting rod located between the two first connecting rods. The two ends of the first connecting rod are respectively connected to the two second connecting rods. The first connecting rod is configured as a telescopic rod and can be telescoped along the front-to-back direction of the base.

2. A reclining high-back chair according to claim 1, characterized in that: The two front support rods are symmetrically arranged on both sides of the front end of the base, and the two rear support rods are symmetrically arranged on both sides of the rear end of the base, and the height of the top of the rear support rod is higher than the height of the top of the front support rod.

3. A reclining high-back chair according to claim 1 or 2, characterized in that: The rear support rod includes an upper rod body and a lower rod body, one end of the lower rod body is fixedly connected to the base, the lower end of the upper rod body is movably clamped in the lower rod body, and the upper end of the upper rod body is detachably connected to the seat cover.

4. A reclining high-back chair according to claim 3, characterized in that: The side wall of the lower rod body is provided with a plurality of first positioning holes arranged along the length direction thereof, and the side wall of the upper rod body is provided with a first positioning block movable along the diameter direction thereof, and the first positioning block can extend into the first positioning hole.

5. The reclining high-back chair according to claim 1, characterized in that: Each of the first connecting rods includes two outer rods and an inner rod. The two outer rods are respectively connected to the ends of the two second connecting rods, and the two ends of the inner rod are respectively movably inserted into the two outer rods.

6. The reclining high-back chair according to claim 5, characterized in that: The side wall of the outer rod is provided with a plurality of second positioning holes arranged in a horizontal direction, and the inner rod is provided with at least two second positioning blocks that can move along its diameter direction, the two second positioning blocks are respectively located at both ends of the inner rod, and the two second positioning blocks can respectively extend into the two second positioning holes.

7. The reclining high-back chair according to claim 1, characterized in that: The base further includes a connecting head, through which the first connecting rod and the second connecting rod are connected, and the front support rod and the rear support rod are both connected to the base through the connecting head.

8. The reclining high-back chair according to claim 7, characterized in that: It also includes four tripods, which are respectively inserted into the bottoms of the four connecting heads of the base.

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