Gravity back-chasing learning chair

Abstract

The utility model discloses a gravity back-chasing learning chair, which comprises a cushion support component, a back-chasing support component, a back-chasing support component and a back-chasing support component, and is characterized in that the cushion support component comprises a cushion lower support and a cushion upper support, and the cushion upper support can be mounted on the cushion lower support in a front-back moving manner; the back-chasing support assembly comprises a back-chasing support and a keel support, one end of the back-chasing support is rotatably connected with the lower cushion support and the upper cushion support through pin shafts, and the keel support is rotatably installed at the other end of the back-chasing support through a pin shaft; the keel assembly is mounted on the keel bracket; and the backrest assembly is mounted on the keel assembly. According to the gravity back-chasing learning chair disclosed by the utility model, the connecting structure of the backrest component is optimally designed, so that the number of parts is reduced, the product cost is reduced, the mounting steps are simplified, and the use experience of the product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of study chairs, and particularly relates to a gravity following backrest study chair. Background Art

[0002] With the continuous development of society, according to different application scenarios, seats are endowed with more and more functions. A study chair is a functional seat designed to meet the needs of students in the learning scenario.

[0003] In the existing study chairs, most of the backrests are directly fixedly connected to the seat cushion and can only be adjusted up and down together with the seat cushion, and cannot be adjusted back and forth. Although some study chairs have added the function of back-and-forth adjustment to the backrest, the connection structure of the backrest is too complex, the installation process is cumbersome, and it is not beautiful enough, seriously affecting the use experience.

[0004] In view of this, the present utility model is specifically proposed. Summary of the Utility Model

[0005] In order to solve the above technical problems, the present utility model provides a gravity following backrest study chair, which can realize the back-and-forth adjustment of the backrest, optimizes the design of the connection structure of the backrest, reduces the product cost, simplifies the installation steps, and improves the use experience of the product.

[0006] Specifically, the following technical solutions are adopted:

[0007] A gravity following backrest study chair, comprising:

[0008] A seat cushion support assembly, including a seat cushion lower support and a seat cushion upper support, and the seat cushion upper support is movably installed on the seat cushion lower support in the front-back direction;

[0009] A following backrest support assembly, including a following backrest support and a keel support, one end of the following backrest support is respectively rotatably connected to the seat cushion lower support and the seat cushion upper support through a pin shaft, and the keel support is rotatably installed at the other end of the following backrest support through a pin shaft;

[0010] A keel assembly, and the keel assembly is installed on the keel support;

[0011] A backrest assembly, and the backrest assembly is installed on the keel assembly.

[0012] As an optional implementation manner of the present utility model, a gravity following backrest study chair of the present utility model includes a decorative cover assembly, and the decorative cover assembly includes a following backrest upper decorative cover, and the following backrest upper decorative cover is fixedly installed on the seat cushion lower support to cover the connection position between the following backrest support and the seat cushion upper support.

[0013] As an alternative embodiment of the present utility model, a gravity backtracking learning chair of the present utility model, the decorative cover assembly includes a front decorative cover of the backtracking support and a rear decorative cover of the backtracking support. The front decorative cover of the backtracking support and the rear decorative cover of the backtracking support are fixedly connected to enclose a backtracking support chamber, and the backtracking support is disposed in the backtracking support chamber.

[0014] As an alternative embodiment of the present utility model, a gravity backtracking learning chair of the present utility model, the decorative cover assembly includes a lower decorative cover of the backtracking. The lower decorative cover of the backtracking is fixedly installed below the lower seat bracket to cover the lower part of the lower seat bracket.

[0015] As an alternative embodiment of the present utility model, a gravity backtracking learning chair of the present utility model, the decorative cover assembly includes a rear decorative cover of the backtracking. The rear decorative cover of the backtracking is installed on the rear decorative cover of the backtracking support.

[0016] As an alternative embodiment of the present utility model, a gravity backtracking learning chair of the present utility model, the keel assembly includes a keel, and the keel is fixedly installed on the keel bracket.

[0017] As an alternative embodiment of the present utility model, a gravity backtracking learning chair of the present utility model, the backrest assembly includes a backrest outer plate, a backrest inner plate, a backrest foam and a backrest connecting member. The backrest foam, the backrest inner plate and the backrest outer plate are fixedly connected in sequence. The backrest connecting member is fixed on the outer side wall of the backrest outer plate, and the backrest connecting member is fixedly connected with the keel.

[0018] As an alternative embodiment of the present utility model, a gravity backtracking learning chair of the present utility model, the keel has an installation opening for installing the backrest connecting member, and the keel assembly includes a keel decorative cover, and the keel decorative cover covers the installation opening.

[0019] As an alternative embodiment of the present utility model, a gravity backtracking learning chair of the present utility model includes a gas spring. The pressure cylinder of the gas spring is rotatably installed on the backtracking support through a pin shaft, and the piston rod of the gas spring is connected with the upper seat bracket.

[0020] As an alternative embodiment of the present utility model, a gravity backtracking learning chair of the present utility model includes a front seat connecting rod. One end of the front seat connecting rod is rotatably connected to the front end of the upper seat bracket, and the other end of the front seat connecting rod is rotatably connected to the front end of the lower seat bracket.

[0021] Compared with the prior art, the beneficial effects of the present utility model:

[0022] A gravity following backrest learning chair of the present utility model, the upper bracket of the seat cushion is movably installed on the lower bracket of the seat cushion in the front-back direction, and the seat cushion assembly is fixedly installed on the upper bracket of the seat cushion to achieve front-back movement; also, one end of the following backrest bracket is respectively rotatably connected to the lower bracket of the seat cushion and the upper bracket of the seat cushion through a pin shaft. In this way, when the upper bracket of the seat cushion moves back and forth, it drives the following backrest bracket to swing back and forth synchronously. The following backrest bracket drives the backrest assembly to move back and forth through the keel assembly, realizing the gravity following backrest function of the learning chair.

[0023] A gravity following backrest learning chair of the present utility model optimizes the connection structure of the backrest assembly, reduces the number of parts, lowers the product cost, simplifies the installation steps, and improves the product usage experience. Brief Description of the Drawings

[0024] Figure 1 Assembly of a gravity following backrest learning chair according to an embodiment of the present utility model Figure 1 ;

[0025] Figure 2 Assembly of a gravity following backrest learning chair according to an embodiment of the present utility model Figure 2 ;

[0026] Figure 3 Assembly of a gravity following backrest learning chair according to an embodiment of the present utility model Figure 3 ;

[0027] Figure 4 Assembly of a gravity following backrest learning chair according to an embodiment of the present utility model Figure 4 ;

[0028] Figure 5 Partial explosion of a gravity following backrest learning chair according to an embodiment of the present utility model Figure 1 ;

[0029] Figure 6 Partial explosion of a gravity following backrest learning chair according to an embodiment of the present utility model Figure 2 。 Detailed Description of the Embodiments

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0031] Accordingly, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the claimed present utility model, but merely represents some embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0032] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments may be combined with each other.

[0033] It should be noted that like reference numerals and letters denote like items in the following figures, and thus, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0034] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model. In addition, terms such as "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0035] See Figures 1 - 6 As shown, a gravity following backrest learning chair according to this embodiment includes:

[0036] A seat cushion support assembly, including a lower seat cushion support 1 and an upper seat cushion support 3, and the upper seat cushion support 3 is installed on the lower seat cushion support 1 so as to be movable back and forth;

[0037] A following backrest support assembly, including a following backrest support 4 and a keel support 5, one end of the following backrest support 4 is respectively rotatably connected to the lower seat cushion support 1 and the upper seat cushion support 3 through a pin shaft 6, and the keel support 5 is rotatably installed at the other end of the following backrest support 4 through a pin shaft;

[0038] A keel assembly, and the keel assembly is installed on the keel support 4;

[0039] A backrest assembly, and the backrest assembly is installed on the keel assembly.

[0040] A gravity following-back learning chair according to this embodiment, a seat cushion upper bracket 3 is movably installed on the seat cushion lower bracket 1 in the front-back direction. Fixing the seat cushion assembly on the seat cushion upper bracket 3 enables front-back movement. Also, since one end of the following-back bracket 4 is rotatably connected to the seat cushion lower bracket 1 and the seat cushion upper bracket 3 through a pin shaft 6 respectively, when the seat cushion upper bracket 3 moves back and forth, it drives the following-back bracket 4 to swing back and forth synchronously. The following-back bracket 4 drives the backrest assembly to move back and forth through the keel assembly, realizing the gravity following-back function of the learning chair.

[0041] A gravity following-back learning chair according to this embodiment optimizes the connection structure of the backrest assembly, reduces the number of parts, lowers the product cost, simplifies the installation steps, and improves the product usage experience.

[0042] As an optional implementation manner of this embodiment, a gravity following-back learning chair according to this embodiment includes a decorative cover assembly. The decorative cover assembly includes a following-back upper decorative cover 8, and the following-back upper decorative cover 8 is fixedly installed on the seat cushion lower bracket 1 to cover the connection position between the following-back bracket 4 and the seat cushion upper bracket 3.

[0043] The following-back upper decorative cover 8 of this embodiment can cover the connection position between the following-back bracket 4 and the seat cushion upper bracket 3, avoiding potential safety hazards to children caused by the direct exposure of the movable connection position, and at the same time enhancing the overall aesthetics.

[0044] Furthermore, the decorative cover assembly of this embodiment includes a following-back front decorative cover 10 and a following-back rear decorative cover 9. The following-back front decorative cover 10 and the following-back rear decorative cover 9 are fixedly connected to enclose a following-back bracket chamber, and the following-back bracket 4 is arranged in the following-back bracket chamber, thereby realizing the surrounding and covering of the following-back bracket 4, avoiding the exposure of the following-back bracket 4, and enhancing the overall aesthetics.

[0045] Furthermore, the decorative cover assembly of this embodiment includes a following-back lower decorative cover 11, and the following-back lower decorative cover 11 is fixedly installed below the seat cushion lower bracket 1 to cover the lower part of the seat cushion lower bracket 1.

[0046] See Figure 4 As shown, the decorative cover assembly of this embodiment includes a following-back rear decorative cover 12, and the following-back rear decorative cover 12 is installed on the following-back rear decorative cover 9.

[0047] As an optional implementation manner of this embodiment, see Figure 5As shown in the figure, the keel assembly in this embodiment includes a keel 13, and the keel 13 is fixedly installed on the keel bracket 5. The backrest assembly in this embodiment is connected to the keel bracket 5 through the keel 13. Since the keel bracket 5 is rotatably installed on the chasing back bracket 4 through a pin shaft, the pitching adjustment of the backrest assembly can be realized, which can better fit the user's back.

[0048] As an alternative implementation of this embodiment, refer to Figure 5 As shown in the figure, the backrest assembly in this embodiment includes a backrest outer plate 16, a backrest inner plate 18, a backrest foam 17 and a backrest connecting piece 15. The backrest foam 17, the backrest inner plate 18 and the backrest outer plate 16 are fixedly connected in sequence. The backrest connecting piece 15 is fixed on the outer side wall of the backrest outer plate 16, and the backrest connecting piece 15 is fixedly connected to the keel 13.

[0049] Furthermore, the keel 13 in this embodiment has a mounting opening for installing the backrest connecting piece 15, and the keel assembly includes a keel decorative cover 14, and the keel decorative cover 14 covers the mounting opening.

[0050] A gravity chasing back learning chair in this embodiment includes a gas spring 7. The pressure cylinder of the gas spring 7 is rotatably installed on the chasing back bracket 4 through a pin shaft, and the piston rod of the gas spring 7 is connected to the seat upper bracket 3. By controlling the gas spring 7, the front-back movement adjustment of the seat upper bracket 3 and the locking after the front-back movement adjustment is in place can be realized.

[0051] As an alternative implementation of this embodiment, a gravity chasing back learning chair in this embodiment includes a seat front connecting rod. One end of the seat front connecting rod is rotatably connected to the front end of the seat upper bracket 3, and the other end of the seat front connecting rod is rotatably connected to the front end of the seat lower bracket 1.

[0052] As an alternative implementation of this embodiment, the seat bracket assembly in this embodiment includes a seat support 2. The seat support 2 is fixed on the seat upper bracket 3, and the seat assembly is fixedly installed on the seat support 2.

[0053] The specific assembly process of a gravity chasing back learning chair in this embodiment is as follows:

[0054] First step, first assemble the seat upper bracket 3, the seat front connecting rod, and the keel bracket 5 through the pin shaft 6;

[0055] Then assemble the chasing back bracket 4 and the gas spring 7 through the pin shaft 6. After the assembly is completed, perform the assembly of the bracket assembly.

[0056] Second step, install the assembled sub-assemblies on the seat lower bracket 1 and perform the pin shaft 6 assembly.

[0057] Step 3: Fix the decorative cover 8 on the backrest to the installed frame with screws.

[0058] Step 4: Install the decorative cover 9 on the back of the backrest support.

[0059] Step 5: Install the decorative cover 10 on the front of the backrest support.

[0060] Step 6: Install the decorative cover 11 at the bottom of the backrest and the decorative cover 12 at the back of the backrest, and the assembly of the support is completed.

[0061] Step 7: Install the backrest assembly on the assembled support assembly.

[0062] The above embodiments are only used to illustrate the present invention rather than to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above respective embodiments, the present invention is not limited to the above specific embodiments. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and their improvements that do not depart from the spirit and scope of the present invention are covered by the scope of the claims of the present invention.

Claims

1. A gravity back-training study chair, characterized in that: include: A seat cushion bracket assembly, comprising a seat cushion lower bracket and a seat cushion upper bracket, wherein the seat cushion upper bracket is mounted on the seat cushion lower bracket so as to be movable forward and backward; The back-chasing bracket assembly includes a back-chasing bracket and a keel bracket, one end of the back-chasing bracket is rotatably connected to the seat cushion lower bracket and the seat cushion upper bracket through a pin shaft, and the keel bracket is rotatably installed on the other end of the back-chasing bracket through a pin shaft; A keel assembly, wherein the keel assembly is mounted on the keel bracket; A backrest assembly is installed on the keel assembly.

2. A gravity back-training study chair according to claim 1, characterized in that: It comprises a decorative cover assembly, wherein the decorative cover assembly comprises an upper decorative cover for the rear seat, and the upper decorative cover for the rear seat is fixedly mounted on the lower support of the seat cushion, covering the connection position between the rear support and the upper support of the seat cushion.

3. A gravity back-training study chair according to claim 2, characterized in that: The decorative cover assembly comprises a front decorative cover for a chasing back bracket and a rear decorative cover for a chasing back bracket, the front decorative cover for a chasing back bracket and the rear decorative cover for a chasing back bracket are fixedly connected to enclose a chasing back bracket chamber, and the chasing back bracket is arranged in the chasing back bracket chamber.

4. The gravity back-tracking study chair according to claim 3, characterized in that: The decorative cover assembly comprises a rear lower decorative cover, and the rear lower decorative cover is fixedly installed below the seat cushion lower bracket to cover the lower part of the seat cushion lower bracket.

5. The gravity back-training study chair according to claim 3, characterized in that: The decorative cover assembly comprises a rear decorative cover, and the rear decorative cover is mounted on the rear decorative cover of the rear support.

6. The gravity back-tracking study chair according to claim 1, characterized in that: The keel assembly comprises a keel, and the keel is fixedly mounted on the keel bracket.

7. The gravity back-training study chair according to claim 6, characterized in that: The backrest assembly includes a backrest outer panel, a backrest inner panel, a backrest foam and a backrest connector. The backrest foam, the backrest inner panel and the backrest outer panel are fixedly connected in sequence. The backrest connector is fixed on the outer side wall of the backrest outer panel, and the backrest connector is fixedly connected to the keel.

8. The gravity back-training study chair according to claim 7, characterized in that: The keel is provided with an installation opening for installing the backrest connector, and the keel assembly includes a keel decorative cover, and the keel decorative cover covers the installation opening.

9. The gravity back-tracking study chair according to claim 1, characterized in that: It comprises a gas spring, a pressure cylinder of which is rotatably mounted on the back support via a pin shaft, and a piston rod of the gas spring is connected to the seat cushion upper support.

10. The gravity back-training study chair according to claim 1, characterized in that: It comprises a seat cushion front connecting rod, one end of which is rotatably connected to the front end of the seat cushion upper bracket, and the other end of which is rotatably connected to the front end of the seat cushion lower bracket.

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