Computer chair adjusting linkage structure

Abstract

The application discloses a computer seat adjusting linkage structure, which comprises a base framework, an electric push rod, a seat cushion rear support, a seat cushion fixing plate, a sliding rail, a seat front connecting rod, a leg support connecting rod mechanism, a leg support framework and a connecting rod. The top of the base framework is fixed with the sliding rail, the lower end of the seat cushion rear support is slidably connected to the sliding rail, the fixed end of the electric push rod is hingedly connected to the base framework, the push rod end of the electric push rod is hingedly connected to the seat cushion rear support, the rear end of the seat cushion fixing plate is hingedly connected to the upper end of the seat cushion rear support, the lower end of the seat front connecting rod is hingedly connected to the base framework, the upper end of the seat front connecting rod is hingedly connected to the front end of the seat cushion fixing plate, one end of the connecting rod is hingedly connected to the seat front connecting rod, and the other end of the connecting rod is connected to the leg support framework through the leg support connecting rod mechanism. The computer seat adjusting linkage structure has the technical effects that: only one electric push rod is needed to realize the functions of seat cushion angle adjustment and leg support lifting; and the leg support can be conveniently changed into an independent electric adjustment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of office equipment, in particular to a computer chair adjusting linkage structure. BACKGROUND

[0002] With the continuous improvement of people's living standards and the rapid development of network technology, computers have become essential for people's life and office supplies. People now often use computers for office work, online, gaming, watching movies, listening to music, etc. When using a computer for a long time, the quality of the computer chair directly affects the user's health.

[0003] In the past, multiple motors were used to control the leg rest and seat cushion inclination, or manual adjustment of the leg rest and seat cushion inclination was used. Currently, computer chairs or so-called e-sports cockpits on the market provide two seat adjustment states: normal sitting position mode and zero gravity mode. However, they all use manual adjustment or multiple (more than two) motor adjustment to switch modes, which has a complex structure, high cost, and is inconvenient to maintain. SUMMARY

[0004] Therefore, the present application provides a computer chair adjusting linkage structure to solve the above problems in the prior art.

[0005] To achieve the above purpose, the present application provides the following technical solutions:

[0006] According to a first aspect of the present application, a computer chair adjusting linkage structure includes a base frame, an electric push rod, a seat cushion rear support, a seat cushion fixing plate, a slide rail, a seat front connecting rod, a leg rest connecting rod mechanism, a leg rest frame, and a connecting rod. The top of the base frame is fixed with the slide rail, the lower end of the seat cushion rear support is slidingly connected to the slide rail, the fixed end of the electric push rod is hinged to the base frame, the push rod end of the electric push rod is hinged to the seat cushion rear support, the rear end of the seat cushion fixing plate is hinged to the upper end of the seat cushion rear support, the lower end of the seat front connecting rod is hinged to the base frame, the upper end of the seat front connecting rod is hinged to the front end of the seat cushion fixing plate, one end of the connecting rod is hinged to the seat front connecting rod, and the other end of the connecting rod is connected to the leg rest frame through the leg rest connecting rod mechanism.

[0007] Further, the upper end of the seat front connecting rod is hinged to the middle part of the seat cushion fixing plate.

[0008] Further, the leg support linkage mechanism comprises a first linkage, a second linkage, a third linkage and a fourth linkage, one end of the first linkage is hinged to one end of the connecting rod away from the seat front linkage, the middle part of the first linkage is hinged to the side of the seat cushion fixing plate, the other end of the first linkage is hinged to one end of the third linkage, the other end of the third linkage is hinged to the leg support frame, one end of the second linkage is hinged to the side of the seat cushion fixing plate, the other end of the second linkage is hinged to one end of the fourth linkage, the other end of the fourth linkage is hinged to the leg support frame.

[0009] Further, the middle part of the second linkage is hinged to the middle part of the third linkage.

[0010] Further, the hinged position of the second linkage to the side of the seat cushion fixing plate is above the hinged position of the first linkage to the side of the seat cushion fixing plate.

[0011] Further, the slide rails are two, the lower end of the seat cushion rear support is slidably connected to the two slide rails, and the two slide rails are arranged in parallel.

[0012] Further, the electric push rod is arranged between the two slide rails, and the two slide rails are symmetrically arranged about the electric push rod.

[0013] Further, the seat front linkage, the connecting rod and the leg support linkage mechanism are two groups respectively, and one group of the seat front linkage, the connecting rod and the leg support linkage mechanism is arranged on each side of the seat cushion fixing plate.

[0014] Further, the length of the seat front linkage is greater than the length of the vertical support rod of the seat cushion rear support, and the top of the vertical support rod of the seat cushion rear support is hinged to the seat cushion fixing plate.

[0015] Further, a plurality of leveling feet are arranged at the lower end of the base frame.

[0016] The computer chair adjusting linkage structure has the following advantages: only one electric push rod is needed to realize the functions of seat cushion inclination angle adjustment and leg support lifting; and the leg support is convenient to change into an independent electric adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the provided drawings.

[0018] The structures, proportions, sizes, etc. shown in the specification are merely used to cooperate with the content disclosed in the specification for the understanding and reading of those skilled in the art, and do not have technical substantial meaning, and any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technical content.

[0019] Figure 1 A perspective view of a computer seat adjustment linkage structure is provided for some embodiments of the present application.

[0020] Figure 2 A perspective view of a computer seat adjustment linkage structure is provided for some embodiments of the present application.

[0021] Figure 3 A perspective view of a computer seat adjustment linkage structure is provided for some embodiments of the present application.

[0022] Figure 4 A perspective view of a computer seat adjustment linkage structure is provided for some embodiments of the present application.

[0023] Figure 5 A perspective view of a computer seat adjustment linkage structure is provided for some embodiments of the present application.

[0024] In the figure: 1, base skeleton, 2, electric push rod, 3, seat cushion rear support, 4, seat cushion fixing plate, 5, slide rail, 6, seat front connecting rod, 7, leg support connecting rod mechanism, 8, leg support skeleton, 9, connecting rod, 10, first connecting rod, 11, second connecting rod, 12, third connecting rod, 13, fourth connecting rod, 14, leveling foot. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described below by specific specific embodiments, those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] As Figures 1 to 5As shown in the first aspect of the present application, the computer seat adjusting linkage structure comprises a base frame 1, an electric push rod 2, a seat cushion rear support 3, a seat cushion fixing plate 4, a sliding rail 5, a seat front connecting rod 6, a leg support connecting rod mechanism 7, a leg support frame 8 and a connecting rod 9. The top of the base frame 1 is fixed with the sliding rail 5. The lower end of the seat cushion rear support 3 is slidingly connected to the sliding rail 5. The fixed end of the electric push rod 2 is hingedly connected to the base frame 1. The push rod end of the electric push rod 2 is hingedly connected to the seat cushion rear support 3. The rear end of the seat cushion fixing plate 4 is hingedly connected to the upper end of the seat cushion rear support 3. The lower end of the seat front connecting rod 6 is hingedly connected to the base frame 1. The upper end of the seat front connecting rod 6 is hingedly connected to the front end of the seat cushion fixing plate 4. One end of the connecting rod 9 is hingedly connected to the seat front connecting rod 6. The other end of the connecting rod 9 is connected to the leg support frame 8 through the leg support connecting rod mechanism 7.

[0027] In the above embodiment, it should be noted that the electric push rod 2 is a mature extension push rod driven by an electric motor in the prior art. In addition, the electric push rod 2 can be replaced by a hydraulic cylinder, an air cylinder and a nut screw pair structure. The seat cushion rear support 3 is located behind the seat cushion fixing plate 4. The seat front connecting rod 6 is located in front of the seat cushion fixing plate 4.

[0028] The adjusting principle of the present embodiment is as follows. When the base frame 1 is in the retracted state, the push rod of the electric push rod 2 is in the elongated state. The seat cushion rear support 3 is fixed to the push rod of the electric push rod 2. The lower end of the seat cushion rear support 3 is fixed to the moving part of the sliding rail 5. The upper end of the seat cushion rear support 3 is hingedly connected to the seat cushion fixing plate 4. One end of the seat front connecting rod 6 is hingedly connected to the seat cushion fixing plate 4. The other end of the seat front connecting rod 6 is hingedly connected to the base frame 1. When the push rod of the electric push rod 2 is retracted, the seat cushion rear support 3 is driven to rotate forward. The seat cushion rear support 3 drives the seat cushion fixing plate 4 to move upward and finally tilt. The seat cushion fixing plate 4 forms a certain angle with the horizontal plane. The seat front connecting rod 6 is driven by the seat cushion fixing plate 4 to rotate forward. The seat front connecting rod 6 drives the leg support connecting rod mechanism 7 to unfold, thereby achieving the extension of the leg support frame 8.

[0029] The above embodiment achieves the following technical effect. Through the computer seat adjusting linkage structure of the present embodiment, only one electric push rod is needed to realize the functions of seat cushion angle adjustment and leg support lifting. The leg support can be easily changed to independent electric adjustment.

[0030] Optionally, as shown in some embodiments, the upper end of the seat front connecting rod 6 is hingedly connected to the middle part of the seat cushion fixing plate 4. Figures 1 to 5

[0031] In the above optional embodiment, it should be noted that a connecting lug is arranged on the side of the seat cushion fixing plate 4. The upper end of the seat front connecting rod 6 is hingedly connected to the connecting lug on the side of the middle part of the seat cushion fixing plate 4.

[0032] ​The advantages of the above optional embodiments are: by setting the front connecting rod 6, it can not only support the seat cushion fixing plate 4, but also drive the seat cushion fixing plate 4 to flip up and unfold.

[0033] Optional, such as Figures 1 to 5 As shown, in some embodiments, the leg support linkage mechanism 7 includes a first link 10, a second link 11, a third link 12, and a fourth link 13. One end of the first link 10 is hinged to the end of the connecting rod 9 away from the front seat link 6. The middle part of the first link 10 is hinged to the side of the seat cushion fixing plate 4. The other end of the first link 10 is hinged to one end of the third link 12. The other end of the third link 12 is hinged to the leg support frame 8. One end of the second link 11 is hinged to the side of the seat cushion fixing plate 4. The other end of the second link 11 is hinged to one end of the fourth link 13. The other end of the fourth link 13 is hinged to the leg support frame 8.

[0034] In the above optional embodiments, it should be noted that the connecting rod 9, the first connecting rod 10 and the third connecting rod 12 form a Z-shaped bent hinge connecting rod structure, and the second connecting rod 11 and the fourth connecting rod 13 form a V-shaped hinge connecting rod structure.

[0035] The advantages of the above optional embodiments are as follows: by setting the leg support linkage mechanism 7 composed of the first link 10, the second link 11, the third link 12 and the fourth link 13, the combined action of the individual electric push rod 2 driving the seat cushion fixing plate 4 and the leg support frame 8 is realized, which greatly reduces the processing cost.

[0036] Optional, such as Figures 1 to 5 As shown, in some embodiments, the middle portion of the second link 11 is hinged to the middle portion of the third link 12.

[0037] In the above optional embodiments, it should be noted that the connection between the third link 12 and the second link 11 is slightly curved.

[0038] The advantages of the above optional embodiments are: by hinged between the middle part of the second link 11 and the middle part of the third link 12, the stability of the leg support linkage mechanism 7 in opening and closing actions is enhanced.

[0039] Optional, such as Figures 1 to 5 As shown, in some embodiments, the hinge point between the second link 11 and the side hinge point of the seat cushion fixing plate 4 is located diagonally above the hinge point between the first link 10 and the side hinge point of the seat cushion fixing plate 4.

[0040] In the above optional embodiments, it should be noted that during the deployment process, the second link 11 and the first link 10 always remain parallel to each other, and the third link 12 and the fourth link 13 always remain parallel to each other.

[0041] The beneficial effect of the above optional embodiments is that the stability of the leg support frame 8 when unfolded is enhanced by the above settings.

[0042] Optional, such as Figures 1 to 5 As shown, in some embodiments, there are two slide rails 5, and the lower end of the seat cushion rear support 3 is slidably connected to the two slide rails 5, and the two slide rails 5 are arranged parallel to each other.

[0043] In the above optional embodiments, it should be noted that the lower end of the seat cushion rear support 3 is slidably connected to the slide rail 5 by a slider.

[0044] The beneficial effect of the above optional embodiments is that by setting two slide rails 5, the stability of the seat cushion fixing plate 4 during flipping is enhanced.

[0045] Optional, such as Figures 1 to 5 As shown, in some embodiments, the electric actuator 2 is disposed between two slide rails 5, which are symmetrically arranged about the electric actuator 2.

[0046] In the above optional embodiments, it should be noted that the position of the electric actuator 2 can also be set according to actual needs.

[0047] The beneficial effects of the above optional embodiments are as follows: the above settings improve the working stability of the electric actuator 2 and make the force on the entire mechanism more uniform.

[0048] Optional, such as Figures 1 to 5 As shown, in some embodiments, the front seat link 6, the connecting rod 9, and the leg support link mechanism 7 are each in two sets, and a set of the front seat link 6, the connecting rod 9, and the leg support link mechanism 7 are respectively provided on both sides of the seat cushion fixing plate 4.

[0049] In the above optional embodiments, it should be noted that, in addition, the number of sets of the front seat linkage 6, connecting rod 9 and leg support linkage mechanism 7 can be set according to actual needs.

[0050] The advantages of the above optional embodiments are: by setting the above components into two groups, the stability of the overall device operation is enhanced and the service life of the adjustment structure is significantly improved.

[0051] Optional, such as Figures 1 to 5 As shown, in some embodiments, the front seat link 6, the connecting rod 9, and the leg support link mechanism 7 are each in two sets, and a set of the front seat link 6, the connecting rod 9, and the leg support link mechanism 7 are respectively provided on both sides of the seat cushion fixing plate 4.

[0052] In the above optional embodiments, it should be noted that the number of sets of the front seat link 6, the connecting rod 9, and the leg support link mechanism 7 can also be set according to actual needs.

[0053] The optional embodiment has the beneficial effect that the whole device is stable and runs more smoothly by setting the front seat connecting rod 6, the connecting rod 9 and the leg supporting connecting rod mechanism 7 into two groups.

[0054] Optionally, as shown in some embodiments, the base frame 1 is further provided with a plurality of leveling feet 14. Figures 1 to 5

[0055] In the optional embodiment, it is necessary to note that when the height of the base frame 1 needs to be adjusted, the leveling feet 14 are used.

[0056] The optional embodiment has the beneficial effect that the adjustable base frame 1 is achieved by setting the plurality of leveling feet 14.

[0057] Although the present application has been described in detail with general description and specific embodiments, some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the present application are within the scope of the present application.

[0058] The terms such as "up", "down", "left", "right", "middle" and the like cited in the specification are only for the convenience of clear description, and are not used to limit the scope of the present application. The change or adjustment of the relative relationship is also considered as the implementation of the present application without substantial change of the technical content.​

Claims

1. A computer chair adjustment linkage structure, characterized by, The utility model provides a kind of electric recliner, including base skeleton (1), electric push rod (2), cushion rear support (3), cushion fixed plate (4), slide rail (5), sit front connecting rod (6), leg support connecting rod mechanism (7), leg support skeleton (8) and connecting rod (9), the top of the base skeleton (1) is fixed with the slide rail (5), the lower end of the cushion rear support (3) is slidably connected on the slide rail (5), the fixed end of the electric push rod (2) is hinged on the base skeleton (1), the push rod end of the electric push rod (2) is hinged on the cushion rear support (3), the rear end of the cushion fixed plate (4) is hinged with the upper end of the cushion rear support (3), the lower end of the sit front connecting rod (6) is hinged with the base skeleton (1), the upper end of the sit front connecting rod (6) is hinged with the middle part of the cushion fixed plate (4), one end of the connecting rod (9) is hinged with the sit front connecting rod (6), the other end of the connecting rod (9) is connected with the leg support skeleton (8) by the leg support connecting rod mechanism (7);The leg support connecting rod mechanism (7) includes first connecting rod (10), second connecting rod (11), third connecting rod (12) and fourth connecting rod (13), one end of the first connecting rod (10) is hinged with one end of the connecting rod (9) away from the sit front connecting rod (6), the middle part of the first connecting rod (10) is hinged on the side of the cushion fixed plate (4), the other end of the first connecting rod (10) is hinged with one end of the third connecting rod (12), the other end of the third connecting rod (12) is hinged with the leg support skeleton (8), one end of the second connecting rod (11) is hinged with the side of the cushion fixed plate (4), the other end of the second connecting rod (11) is hinged with one end of the fourth connecting rod (13), the other end of the fourth connecting rod (13) is hinged with the leg support skeleton (8), the middle part of the second connecting rod (11) is hinged with the middle part of the third connecting rod (12);The hinged place of the second connecting rod (11) and the side of the cushion fixed plate (4) is located obliquely above the hinged place of the first connecting rod (10) and the side of the cushion fixed plate (4); The slide rail (5) is two, the lower end of the cushion rear support (3) is slidably connected on two the slide rail (5), two the slide rail (5) is arranged mutually parallel. The electric push rod (2) is arranged between two the slide rail (5), and two the slide rail (5) is arranged symmetrically about the electric push rod (2).

2. The computer chair adjustment linkage structure of claim 1, wherein The sit front connecting rod (6), the connecting rod (9) and the leg support connecting rod mechanism (7) are two groups respectively, and one side of the cushion fixed plate (4) is provided with a group of the sit front connecting rod (6), the connecting rod (9) and the leg support connecting rod mechanism (7) respectively.

3. The computer chair adjustment linkage of claim 1, wherein: The length of the sit front connecting rod (6) is greater than the length of the vertical support rod of the cushion rear support (3), and the top of the vertical support rod of the cushion rear support (3) is hinged on the cushion fixed plate (4).

4. The computer chair adjustment linkage of claim 1, wherein: Still include a plurality of leveling foot (14), the lower end of the base skeleton (1) is provided with a plurality of the leveling foot (14).

5. The computer chair adjustment linkage of claim 1, wherein: ​

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