CN210989193U - Chair and chair frame thereof - Google Patents

Abstract

The utility model discloses a chair frame, including back of the chair frame, chair seat frame, two handrail frames, footing and first connecting piece, back of the chair frame and chair seat frame movable mounting are on handrail frame, back of the chair frame can be emptyd backward for chair seat frame, first connecting piece includes integrated into one piece or fixedly connected's first connecting portion and two second connecting portions, first connecting portion install on the footing, handrail frame installs on second connecting portion through two sets of link mechanism on left and right sides, link mechanism includes first connecting rod and second connecting rod; according to the technical scheme, the armrest frame, the first connecting rod, the second connecting rod and the first connecting piece form a four-bar mechanism or the armrest frame, the first connecting rod and the second connecting rod are fixedly connected into a whole and swing back and forth by taking the third installation position as a rotation center, so that an effect similar to swinging of a swing is generated, and a human body is more deeply relaxed.

Description

Chair and chair frame thereof

Technical Field

The utility model relates to the technical field of furniture, especially, relate to a chair and chair frame thereof.

Background

People are in indoor official working and outdoor leisure and recreation, and the leisure chaise longue is often used, can alleviate people's fatigue through the leisure chaise longue, and the leisure chaise longue on the current market mainly has two main categories:

first common leisure chaise longue in the office: the leisure chair is provided with universal wheels, can move anywhere in offices, is also provided with a liftable chair seat to adapt to people with different heights to sit, and is also provided with a chair back capable of inclining backwards, so that when the chair back inclines backwards, a deck chair is formed for people to rest for a short time when tired;

the rocking deck chair can be rocked through certain limb actions and the cooperation with the deck chair when people lie on the deck chair, so that a swing-like feeling is formed, and the deck chair can often enable people to be more deeply relaxed;

unfortunately, no leisure chair combining the two is available in the market.

Disclosure of Invention

In order to solve the above technical problem, the present invention provides a chair and a chair frame thereof, wherein a chair back in the chair can be inclined backwards to form a reclining chair, and a swing function can be realized.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a chair frame, includes back of the chair frame, chair seat frame, two handrail frame, footing and first connecting piece, two handrail frame distribute on chair seat frame both sides its characterized in that: chair back frame and chair seat frame movable mounting are on handrail frame, the chair back frame can be emptyd backward for the chair seat frame, first connecting piece includes integrated into one piece or fixed connection's first connecting portion and two second connecting portions, first connecting portion are installed on the footing, two second connecting portions distribute at first connecting portion both ends and upwards extend, two handrail frames are installed respectively on two second connecting portions through controlling two sets of link mechanism, link mechanism includes first connecting rod and second connecting rod, rotatable the installing on the second connecting portion of first connecting rod upper end and the lower extreme is installed on handrail frame, rotatable the installing on first connecting piece of second connecting rod upper end and the lower extreme is installed on handrail frame.

Preferably, the upper end of the first connecting rod is hinged to the second connecting part, the lower end of the first connecting rod is hinged to the armrest frame, the upper end of the second connecting rod is hinged to the second connecting part, the lower end of the second connecting rod is hinged to the armrest frame, and the hinged positions of the first connecting rod and the second connecting rod are different from those of the second connecting part.

Preferably, the upper end of the first connecting rod is hinged to the second connecting part, the lower end of the first connecting rod is fixedly connected with the armrest frame, the upper end of the second connecting rod is hinged to the second connecting part, the lower end of the second connecting rod is fixedly connected with the armrest frame, and the hinged positions of the first connecting rod and the second connecting rod are the same as those of the second connecting part.

Preferably, the handrail frame is further provided with a left first mounting plate and a right first mounting plate, and the first mounting plates are fixedly connected with the handrail frame or integrally formed.

Preferably, one end of the first connecting rod is hinged to the second connecting portion, the other end of the first connecting rod is hinged or fixedly connected to the first mounting plate, one end of the second connecting rod is hinged to the second connecting portion, and the other end of the second connecting rod is hinged or fixedly connected to the first mounting plate.

As preferred, still be equipped with about two second mounting panels, the rotatable installation of second mounting panel is on the second connecting portion, first connecting rod one end and second mounting panel fixed connection, the other end and handrail frame or first mounting panel fixed connection, second connecting rod one end second mounting panel fixed connection, the other end and handrail frame or first mounting panel fixed connection.

Preferably, the handle frame is provided with a limiting block, the limiting block is arranged on the second connecting portion, and when the handle frame swings, the handle frame or the first connecting rod or the second connecting rod can touch the limiting block.

Preferably, the second mounting plate is provided with a first arc-shaped groove, the second connecting portion is fixed with a first limiting column, and the first limiting column is inserted into the first arc-shaped groove to realize limiting matching.

Preferably, the chair back frame and the chair seat frame are movably arranged on the armrest frame through a left set of linkage mechanism and a right set of linkage mechanism which move synchronously, the linkage mechanism comprises a chair back fixing piece, a third connecting rod, a front chair seat fixing piece and a rear chair seat fixing piece, the rear part of the chair back fixing piece is fixedly connected with the chair back frame, the front part of the chair back fixing piece is hinged with the rear part of the armrest frame, the lower part of the chair back fixing piece is hinged with the rear chair seat fixing piece, and the rear chair seat fixing piece is fixed at the rear part; the upper end of the third connecting rod is hinged with the front part of the armrest frame, the lower end of the third connecting rod is hinged with the front seat fixing piece, and the front seat fixing piece is fixed at the front part of the chair seat frame;

the chair back fixing piece is hinged with the front part of the armrest frame;

the rear portion of handrail frame is fixed with the second limiting plate, has seted up the second arc wall on the second limiting plate, is fixed with the spacing post of second on the back of the chair mounting, and the spacing post of second inserts spacing cooperation is realized to the second arc wall.

Preferably, a lifting air rod is fixed on the upper part of the foot, and the first connecting part is fixedly installed at the top of the lifting air rod.

A chair comprising a chair frame as described above.

The technical effects of the utility model:

1) the four-bar mechanism is composed of the armrest frame, the first connecting rod, the second connecting rod and the second connecting part, the back of the chair frame and the chair seat frame are movably mounted on the armrest frame, when people sit on the chair, the back of the chair frame and the chair seat frame can be easily swung, the effect similar to swing is generated, and the human body can be deeply relaxed.

2) The chair back frame and the chair seat frame are movably mounted on the armrest frame, when people sit on the chair, the chair back frame and the chair seat frame can be easily swung, an effect similar to swing is generated, and a human body can be deeply relaxed.

3) The armrest frame, the chair seat frame, the chair back fixing piece and the third connecting rod form a four-connecting-rod mechanism, forward movement and upward lifting movement of the chair seat are realized by adjusting the forward and backward tilting rotation of the chair back through the linkage mechanism, so that the chair seat synchronously moves along with the chair seat in the tilting process of a user, the chair seat can always play a role in supporting the waist of a human body, the waist running situation is effectively avoided, and the health of the human body is facilitated; meanwhile, due to the synchronous movement of the seat and the chair back, the chair back always clings to the back of a human body and does not shift in the tilting process of a user, and the comfort is ensured.

4) The seat frame and the back frame are connected through the air rod, so that relative motion can be generated between the seat frame and the back frame only through the expansion and contraction of the air rod, and when people sit on the chair to swing, the seat frame and the back frame do not generate relative motion.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.

Description of reference numerals: 1. a back of chair frame; 2. a chair seat frame; 3. a handrail frame; 4. footing; 5. a first connecting member; 51. a first connection portion; 52. a second connecting portion; 61. a first link; 62. a second link; 71. a chair back fixing piece; 72. a third link; 73. a front seat fixing member; 74. a rear seat fixing member; 75. a gas lever; 76. a second limiting plate; 41. lifting the air rod; 63. A first mounting plate; 64. a limiting block; 65. a second mounting plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1, 2 and 3, a chair frame includes a chair back frame 1, a chair seat frame 2, two armrest frames 3, feet 4 and a first connecting member 5, wherein the armrest frames 3 are distributed on two sides of the chair seat frame 2, the chair back frame 1 and the chair seat frame 2 are movably mounted on the two armrest frames 3, the chair back frame 1 can be tilted backwards relative to the chair seat frame 2, the first connecting member 5 includes a first connecting portion 51 and two second connecting portions 52 which are integrally formed or fixedly connected, the first connecting portion 51 is mounted on the feet 4, the two second connecting portions 52 are distributed on two ends of the first connecting portion 51 and extend upwards, the two armrest frames 3 are respectively mounted on the two second connecting portions 52 through a left and a right set of link mechanisms, the link mechanisms include a first link 61 and a second link 62, the upper end of the first link 61 is rotatably mounted on the second connecting portion 52, and the lower end of the first link 61 is mounted on the armrest frame 3, the upper end of the second connecting rod 62 is rotatably arranged on the first connecting piece 5, and the lower end is arranged on the handrail frame 3.

Specifically, the chair back frame 1 and the chair seat frame 2 are movably mounted on the armrest frame 3 through a left and a right two sets of linkage mechanisms which move synchronously, each linkage mechanism comprises a chair back fixing piece 71, a third connecting rod 72, a front chair seat fixing piece 73 and a rear chair seat fixing piece 74, the rear part of each chair back fixing piece 71 is fixedly connected with the chair back frame 1, the front part of each chair back fixing piece 71 is hinged with the rear part of the armrest frame 3, the lower part of each chair back fixing piece 71 is hinged with the rear chair seat fixing piece 74, and the rear chair seat fixing pieces 74 are fixed at the rear part of the chair seat; the upper end of the third connecting rod 72 is hinged with the front part of the armrest frame 3, the lower end of the third connecting rod 72 is hinged with a front seat fixing piece 73, and the front seat fixing piece 73 is fixed at the front part of the chair seat frame 2;

the chair back fixing piece is characterized by further comprising an air rod 75, wherein one end of the air rod 75 is hinged with the chair back fixing piece 71 or the chair back frame 1, and the other end of the air rod 75 is hinged with the front part of the armrest frame 3;

a second limiting plate 76 is fixed at the rear part of the armrest frame 3, a second arc-shaped groove is formed in the second limiting plate 76, a second limiting column is fixed on the chair back fixing piece 71, and the second limiting column is inserted into the second arc-shaped groove to achieve limiting matching.

Specifically, the lifting air rod 41 is fixed on the upper part of the foot 4, and the first connecting part 51 is fixedly installed on the top of the lifting air rod 41.

Example 1:

as shown in fig. 1, the first connecting member 5 includes a first connecting portion 51 and two second connecting portions 52, the first connecting portion 51 is fixedly mounted on the top of the lifting air rod 41, the upper end of the first connecting rod is hinged to the second connecting portion 52, the lower end of the first connecting rod is hinged to the armrest frame 3, the upper end of the second connecting rod is hinged to the second connecting portion 52, the lower end of the second connecting rod is hinged to the armrest frame 3, and the hinged positions of the first connecting rod and the second connecting rod to the second connecting portion 52 are different.

The lower end of the second connecting portion 52 is further fixedly connected with or integrally formed with a limiting block 64, when the armrest frame 3 swings, the armrest frame 3 can touch the limiting block 64, so that the swinging of the armrest frame 3 is limited.

Example 2:

as shown in fig. 2, the chair frame is further provided with a left first mounting plate 63 and a right first mounting plate 63, the first mounting plate 63 is fixedly connected with the armrest frame 3 or integrally formed, the first connecting piece 5 comprises a first connecting portion 51 and two second connecting portions 52 which are fixedly connected, the first connecting portion 51 is fixedly mounted at the top of the lifting air rod 41, the upper end of the first connecting rod is hinged to the second connecting portion 52, the lower end of the first connecting rod is hinged to the first mounting plate 63, the upper end of the second connecting rod is hinged to the second connecting portion 52, the lower end of the second connecting rod is hinged to the first mounting plate 63, and the hinged positions of the first connecting rod and the second connecting rod to the second connecting portion 52 are different.

The lower end of the first connecting part 51 is also fixedly connected with or integrally formed with a limiting block 64, and when the armrest frame 3 swings, the first mounting plate 63 can touch the limiting block 64, so that the swinging of the armrest frame 3 is limited.

Example 3:

fig. 3 a chair frame, two second mounting panels 65 about still being equipped with, first connecting piece 5 includes integrated into one piece's first connecting portion 51 and two second connecting portion 52, first connecting portion 51 fixed mounting is at the top of lift gas pole 41, second mounting panel 65 is articulated with second connecting portion 52, first connecting rod 61 upper end and second mounting panel 65 fixed connection, lower extreme end and handrail frame 3 fixed connection, second connecting rod 62 upper end second mounting panel 65 fixed connection, lower extreme and handrail frame 3 fixed connection. It should be noted that, in the embodiment of the present application, two left and right first mounting plates 63 may be further provided, the first mounting plates 63 are fixedly connected or integrally formed with the armrest frame 3, the upper end of the first connecting rod 61 is fixedly connected with the second mounting plate 65, the lower end of the first connecting rod is fixedly connected with the first mounting plate 63, the upper end of the second connecting rod 62 is fixedly connected with the second mounting plate 65, and the lower end of the second connecting rod is fixedly connected with the first mounting plate 63, so that the same swinging effect can be achieved.

Specifically, a first arc-shaped groove is formed in the second mounting plate 65, a first limiting column is fixed on the first connecting piece 5, and the first limiting column is inserted into the first arc-shaped groove to achieve limiting matching. It should be noted that in the embodiment of the present application, the limiting function can be achieved by providing the limiting block 64, for example, the limiting block 64 is disposed at the outer side of the second connecting portion 52, so that when the armrest frame 3 swings, the first connecting rod 61 or the second connecting rod 62 can touch the limiting block 64, thereby limiting the swing of the armrest frame 3.

Example 4:

the utility model provides a chair frame, first connecting rod upper end is direct articulated and lower extreme and handrail frame fixed connection with second connecting portion, second connecting rod upper end is direct articulated and lower extreme and handrail frame fixed connection with second connecting portion, the articulated position of first connecting rod and second connecting portion is the same.

Specifically, a limiting block is further arranged and arranged on the outer side of the second connecting portion 52, so that when the armrest frame swings, the first connecting rod or the second connecting rod can touch the limiting block, and the swinging of the armrest frame is limited.

A chair comprising a chair frame as described above.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a chair frame, includes back of the chair frame (1), seat frame (2), two handrail frame (3), footing (4) and first connecting piece (5), handrail frame (3) distribute on seat frame (2) both sides, its characterized in that: chair back frame (1) and chair seat frame (2) movable mounting are on two handrail frame (3), chair back frame (1) can be emptyd backward for chair seat frame (2), first connecting piece (5) include integrated into one piece or fixed connection's first connecting portion (51) and two second connecting portion (52), first connecting portion (51) are installed on footing (4), two second connecting portion (52) distribute at first connecting portion (51) both ends and upwards extend, two handrail frame (3) are installed respectively on two second connecting portion (52) through controlling two sets of link mechanism, link mechanism includes first connecting rod (61) and second connecting rod (62), rotatable the installing on second connecting portion (52) and the lower extreme is installed on handrail frame (3) in first connecting piece (5) in first connecting rod (61) upper end, rotatable the installing on handrail frame (3) and the lower extreme is installed on handrail frame (3).

2. A chair frame according to claim 1, characterized in that the first connecting rod (61) is hinged at its upper end to the second connecting portion (52) and at its lower end to the armrest frame (3), the second connecting rod (62) is hinged at its upper end to the second connecting portion (52) and at its lower end to the armrest frame (3), and the first connecting rod (61) and the second connecting rod (62) are hinged at different positions to the second connecting portion (52).

3. A chair frame according to claim 1, characterized in that the upper end of the first connecting rod (61) is hinged with the second connecting part (52) and the lower end is fixedly connected with the armrest frame (3), the upper end of the second connecting rod (62) is hinged with the second connecting part (52) and the lower end is fixedly connected with the armrest frame (3), and the hinged positions of the first connecting rod (61) and the second connecting rod (62) are the same as the hinged position of the second connecting part (52).

4. A chair frame according to claim 1, characterized in that, a left and a right first mounting plates (63) are provided, the first mounting plates (63) are fixedly connected with the armrest frame (3) or are integrally formed.

5. A chair frame according to claim 4, characterized in that the first connecting rod (61) is hinged to the second connecting portion (52) at one end and hinged or fixedly connected to the first mounting plate (63) at the other end, and the second connecting rod (62) is hinged to the second connecting portion (52) at one end and hinged or fixedly connected to the first mounting plate (63) at the other end.

6. The chair frame according to claim 1, characterized in that a left second mounting plate and a right second mounting plate (65) are further provided, the second mounting plates (65) are rotatably mounted on the second connecting portion (52), one end of the first connecting rod (61) is fixedly connected with the second mounting plate (65), the other end of the first connecting rod is fixedly connected with the armrest frame (3) or the first mounting plate (63), one end of the second connecting rod (62) is fixedly connected with the second mounting plate (65), and the other end of the second connecting rod is fixedly connected with the armrest frame (3) or the first mounting plate (63).

7. A chair frame according to claim 1, characterized in that a stop block (64) is provided, the stop block (64) is mounted on the second connecting portion (52), and the armrest frame (3) or the first connecting rod (61) or the second connecting rod (62) can touch the stop block (64) when the armrest frame (3) is swinging.

8. The chair frame according to claim 6, wherein the second mounting plate (65) is provided with a first arc-shaped groove, the second connecting portion (52) is fixed with a first limiting post, and the first limiting post is inserted into the first arc-shaped groove to realize limiting fit.

9. The chair frame according to claim 1, characterized in that the chair back frame (1) and the chair seat frame (2) are movably mounted on the armrest frame (3) through a left and a right sets of linkage mechanisms which move synchronously, the linkage mechanisms comprise a chair back fixing piece (71), a third connecting rod (72), a front chair seat fixing piece (73) and a rear chair seat fixing piece (74), the rear part of the chair back fixing piece (71) is fixedly connected with the chair back frame (1), the front part of the chair back fixing piece (71) is hinged with the rear part of the armrest frame (3), the lower part of the chair back fixing piece (71) is hinged with the rear chair seat fixing piece (74), and the rear chair seat fixing piece (74) is fixed at the rear part of the chair seat frame (2); the upper end of the third connecting rod (72) is hinged with the front part of the armrest frame (3), the lower end of the third connecting rod (72) is hinged with a front seat fixing piece (73), and the front seat fixing piece (73) is fixed at the front part of the chair seat frame (2);

the chair back fixing piece is characterized by further comprising an air rod (75), one end of the air rod (75) is hinged with the chair back fixing piece (71) or the chair back frame (1), and the other end of the air rod (75) is hinged with the front part of the armrest frame (3);

the rear portion of handrail frame (3) is fixed with second limiting plate (76), has seted up the second arc wall on second limiting plate (76), is fixed with the spacing post of second on back of the chair mounting (71), and the spacing post of second inserts spacing cooperation is realized to the second arc wall.

10. A chair comprising a frame according to any one of claims 1-9.

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