Cushion adjusting mechanism of gravity back-chasing learning chair

Abstract

The utility model discloses a seat cushion adjusting mechanism of a gravity back-chasing learning chair, which comprises a seat cushion support assembly, a seat cushion adjusting assembly and a seat cushion adjusting assembly, the seat cushion support assembly comprises a seat cushion lower support and a seat cushion upper support, and the seat cushion upper support is mounted on the seat cushion lower support in a front-back moving manner; a piston rod of the gas spring is connected with the cushion upper bracket; the cushion assembly is mounted on the cushion upper bracket; the gas spring wrench switch assembly is installed on the cushion assembly, and a pull wire of the gas spring is connected with the gas spring wrench switch assembly; by operating the gas spring wrench switch assembly, the pull wire of the gas spring is pulled to adjust the front-back movement of the cushion assembly. The gas spring wrench switch assembly is installed on the cushion assembly, a user can operate the gas spring wrench switch assembly more conveniently, and the gas spring wrench switch assembly meets the use requirement and meets the national standard requirement.

Description

Technical Field

[0001] The utility model relates to the technical field of study chairs, and particularly relates to a seat cushion adjusting mechanism of a gravity following-back 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 existing study chairs, most seat cushions are directly fixedly connected to the lifting cylinder, and can only be adjusted up and down, and cannot be adjusted back and forth. Although some seat cushions of study chairs have added the function of front-back adjustment, the connection structure of the seat cushion is too complex, the installation process is cumbersome, and it is not beautiful enough. In addition, the switch for front-back movement adjustment of the seat cushion is an up-down pressing structure, and the installation position of the switch is not convenient for operation, seriously affecting the use experience.

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

[0005] In order to solve the above technical problems, the present utility model provides a seat cushion adjusting mechanism of a gravity following-back study chair, which redesigned the structure and switch mode of the seat cushion assembly, making it more convenient for users to operate.

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

[0007] A seat cushion adjusting mechanism of a gravity following-back study chair, comprising:

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

[0009] A gas spring, the piston rod of which is connected to the upper seat cushion support;

[0010] A seat cushion assembly, installed on the upper seat cushion support;

[0011] A gas spring wrench switch assembly, installed on the seat cushion assembly, and the cable of the gas spring is connected to the gas spring wrench switch assembly;

[0012] By operating the gas spring wrench switch assembly, the cable of the gas spring is pulled to adjust the front-back movement of the seat cushion assembly.

[0013] As an optional implementation manner of the present utility model, the seat cushion assembly includes a seat cushion base, the seat cushion base is fixedly installed on the upper seat cushion support, and a first installation groove is provided on the outer wall of the bottom of the seat cushion base, and the gas spring wrench switch assembly is installed in the first installation groove.

[0014] As an alternative embodiment of the present utility model, a second installation groove is provided on the outer wall of the bottom of the cushion base, and the upper bracket of the cushion is fixedly installed in the second installation groove. A wire passing hole for the wire of the gas spring to pass through is provided on the partition wall between the first installation groove and the second installation groove.

[0015] As an alternative embodiment of the present utility model, a cushion adjustment mechanism of a gravity chasing back learning chair of the present utility model includes a chasing back lower decorative cover, and the chasing back lower decorative cover is fixedly installed below the lower bracket of the cushion, covering the lower part of the lower bracket of the cushion; the upper end of the chasing back lower decorative cover is located in the second installation groove.

[0016] As an alternative embodiment of the present utility model, the gas spring wrench switch assembly includes a wrench base and a wrench. The wrench has a wrench head and a wrench tail. The wrench head is rotatably installed on the wrench base up and down, and the wire of the gas spring is connected to the wrench head.

[0017] As an alternative embodiment of the present utility model, the head of the wrench head has a wire clamping groove, and the wire of the gas spring is fixed in the wire clamping groove.

[0018] As an alternative embodiment of the present utility model, the wrench tail is in a flat plate structure.

[0019] As an alternative embodiment of the present utility model, the gas spring wrench switch assembly includes a wrench decorative cover, and the wrench base is fixedly connected to the wrench decorative cover.

[0020] As an alternative embodiment of the present utility model, the wrench decorative cover is fixedly installed in the first installation groove by fastening screws.

[0021] As an alternative embodiment of the present utility model, a cushion adjustment mechanism of a gravity chasing back learning chair of the present utility model includes:

[0022] A chasing back support assembly, including a chasing back support and a keel support. One end of the chasing back support is respectively rotatably connected to the lower bracket of the cushion and the upper bracket of the cushion through a pin shaft, and the keel support is rotatably installed at the other end of the chasing back support through a pin shaft;

[0023] A keel assembly, and the keel assembly is installed on the keel support;

[0024] A backrest assembly, and the backrest assembly is installed on the keel assembly.

[0025] Compared with the prior art, the beneficial effects of the present utility model:

[0026] The seat cushion adjusting mechanism of a gravity following backrest study chair of the present utility model controls the piston rod of a gas spring to drive the front and back movement of the seat cushion upper bracket through a gas spring wrench switch assembly, so as to realize the front and back movement adjustment of the seat cushion assembly and the position locking after the front and back adjustment of the seat cushion assembly is in place.

[0027] The gas spring wrench switch assembly of the present utility model is installed on the seat cushion assembly, which is more convenient for users to operate, meets the use requirements and conforms to the national standard requirements. Description of the Drawings

[0028] Figure 1 Schematic diagram of the three-dimensional structure (front) of the seat cushion adjusting mechanism of a gravity following backrest study chair in an embodiment of the present utility model;

[0029] Figure 2 Schematic diagram of the three-dimensional structure (back) of the seat cushion adjusting mechanism of a gravity following backrest study chair in an embodiment of the present utility model;

[0030] Figure 3 Partial explosion of the seat cushion adjusting mechanism of a gravity following backrest study chair in an embodiment of the present utility model Figure 1 ;

[0031] Figure 4 Partial explosion of the seat cushion adjusting mechanism of a gravity following backrest study chair in an embodiment of the present utility model Figure 2 。 Detailed Description of the Preferred Embodiments

[0032] In order 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.

[0033] Therefore, 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 of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0034] 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.

[0035] It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0036] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" 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 therefore should not be construed as a limitation to the present utility model. In addition, terms such as "first" and "second" are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0037] See Figures 1-4 As shown, a seat cushion adjusting mechanism of a gravity following back learning chair in this embodiment includes:

[0038] A seat cushion support assembly 100, including a seat cushion lower support (not shown) and a seat cushion upper support 102, and the seat cushion upper support 102 is movably installed on the seat cushion lower support in the front-back direction;

[0039] A gas spring, and the piston rod of the gas spring is connected to the seat cushion upper support 102;

[0040] A seat cushion assembly 200, which is installed on the seat cushion upper support 102;

[0041] A gas spring wrench switch assembly 400, which is installed on the seat cushion assembly 200, and the cable of the gas spring is connected to the gas spring wrench switch assembly 400;

[0042] By operating the gas spring wrench switch assembly 400, the cable of the gas spring is pulled to adjust the front-back movement of the seat cushion assembly 200.

[0043] A seat cushion adjusting mechanism of a gravity following back learning chair in this embodiment controls the piston rod of the gas spring to drive the seat cushion upper support 102 to move back and forth through the gas spring wrench switch assembly 400, so as to realize the front-back movement adjustment of the seat cushion assembly 200 and the position locking after the front-back adjustment of the seat cushion assembly 200 is in place.

[0044] The gas spring wrench switch assembly 400 in this embodiment is installed on the seat cushion assembly 200, which is more convenient for users to operate, meets the use requirements and complies with the national standard requirements.

[0045] As an optional implementation manner of this embodiment, see Figure 2As shown, the seat cushion assembly described in this embodiment includes a seat cushion base 201, and the seat cushion base 201 is fixedly installed on the seat cushion upper bracket 102. A first installation groove 204 is provided on the bottom outer wall of the seat cushion base 201, and the gas spring wrench switch assembly 400 is installed in the first installation groove 204. In this embodiment, by providing the first installation groove 204 on the seat cushion base 201, the installation of the gas spring wrench switch assembly 400 is realized, so that after the gas spring wrench switch assembly 400 is installed on the seat cushion base 201, it can be better integrated, avoiding direct external leakage and causing potential safety hazards to children, and having stronger integrity and more aesthetics.

[0046] Furthermore, a second installation groove 203 is provided on the bottom outer wall of the seat cushion base 201 described in this embodiment, and the seat cushion upper bracket 102 is fixedly installed in the second installation groove 203. A wire passing hole 205 for the wire of the gas spring to pass through is provided on the partition wall between the first installation groove 204 and the second installation groove 203, which can make it more convenient for the wire of the gas spring to be routed and connected to the gas spring wrench switch assembly 400.

[0047] As an alternative implementation of this embodiment, the seat cushion adjustment mechanism of a gravity chasing back learning chair in this embodiment includes a chasing back lower decorative cover 101, and the chasing back lower decorative cover 101 is fixedly installed below the seat cushion lower bracket, covering the lower part of the seat cushion lower bracket; the upper end of the chasing back lower decorative cover 101 is located in the second installation groove 203. In this way, the chasing back lower decorative cover 101 cooperates with the second installation groove 203 to ensure the integrity of the product appearance and more aesthetics.

[0048] See Figure 3 and Figure 4 As shown, the gas spring wrench switch assembly 400 described in this embodiment includes a wrench base 402 and a wrench 403. The wrench 403 has a wrench head and a wrench tail. The wrench head is rotatably installed on the wrench base 402 up and down, and the wire of the gas spring is connected to the wrench head. In this way, by pulling the wrench 403 up and down, the wire of the gas spring can be pulled, thereby realizing the control of the gas spring. Furthermore, a wire slot is provided on the head of the wrench head described in this embodiment, and the wire of the gas spring is fixed in the wire slot.

[0049] In order to facilitate the user to operate the wrench 403, the wrench tail in this embodiment has a flat plate structure.

[0050] Furthermore, the gas spring wrench switch assembly described in this embodiment includes a wrench decorative cover 404, and the wrench base 402 is fixedly connected to the wrench decorative cover 404.

[0051] The wrench decorative cover 404 in this embodiment is fixedly installed in the first installation groove 204 through fastening screws.

[0052] As an alternative implementation of this embodiment, a seat cushion adjustment mechanism of a gravity following backrest learning chair in this embodiment includes:

[0053] A following backrest support assembly 300, including a following backrest and a keel support. One end of the following backrest 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 through a pin shaft;

[0054] A keel assembly, and the keel assembly is installed on the keel support;

[0055] A backrest assembly, and the backrest assembly is installed on the keel assembly.

[0056] In a gravity following backrest learning chair of this embodiment, the seat cushion upper support is installed on the seat cushion lower support so as to be movable back and forth. Fixing the seat cushion assembly 200 on the seat cushion upper support 102 can achieve back-and-forth movement; and since one end of the following backrest is respectively rotatably connected to the seat cushion lower support and the seat cushion upper support through a pin shaft 6, when the seat cushion upper support 102 moves back and forth, it drives the following backrest to swing back and forth synchronously. The following backrest drives the backrest assembly to move back and forth through the keel assembly, realizing the gravity following backrest function of the learning chair.

[0057] The installation process of the seat cushion adjustment mechanism of a gravity following backrest learning chair in this embodiment is as follows:

[0058] First step, first assemble the cable of the gas spring and the wrench 403 together, then assemble the wrench base 402 on the wrench 403, install the wrench decorative cover 404 on the wrench base 402, and the wrench switch assembly 400 is installed.

[0059] Second step, install the seat cushion assembly 200 on the seat cushion support assembly 100 and tighten it with 4 screws, then lock the wrench switch assembly 400 on the seat cushion assembly 200 with four self-tapping screws, and the seat cushion adjustment mechanism is installed.

[0060] The seat cushion assembly 200 in this embodiment includes a seat cushion foam 202 fixedly installed on the seat cushion base 201.

[0061] The above embodiments are only used to illustrate the present invention rather than limit the technical solutions described by 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 invention are covered by the scope of the claims of the present invention.

Claims

1. A seat cushion adjustment mechanism for a gravity back-supporting learning 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; A gas spring, the piston rod of which is connected to the seat cushion upper bracket; A seat cushion assembly, mounted on the seat cushion upper bracket; A gas spring wrench switch assembly is installed on the seat cushion assembly, and the pull wire of the gas spring is connected to the gas spring wrench switch assembly; The front and rear movement of the seat cushion assembly can be adjusted by operating the gas spring wrench switch assembly and pulling the pull wire of the gas spring.

2. The seat cushion adjustment mechanism of a gravity back-training learning chair according to claim 1, characterized in that: The seat cushion assembly comprises a seat cushion base, the seat cushion base is fixedly mounted on the seat cushion upper bracket, a first mounting groove is provided on the bottom outer wall of the seat cushion base, and the gas spring wrench switch assembly is mounted in the first mounting groove.

3. The seat cushion adjustment mechanism of a gravity back-training learning chair according to claim 2, characterized in that: A second mounting groove is provided on the bottom outer wall of the cushion base, and the cushion upper bracket is fixedly installed in the second mounting groove. A wiring hole for the pull wire of the gas spring to pass through is provided on the partition wall between the first mounting groove and the second mounting groove.

4. The seat cushion adjustment mechanism of a gravity back-training learning chair according to claim 3, characterized in that: It comprises a rear tailgate lower decorative cover, which is fixedly mounted below the seat cushion lower bracket to cover the lower part of the seat cushion lower bracket; the upper end of the rear tailgate lower decorative cover is located in the second mounting groove.

5. The seat cushion adjustment mechanism of a gravity back-training learning chair according to claim 2, characterized in that: The gas spring wrench switch assembly comprises a wrench base and a wrench, wherein the wrench has a wrench head and a wrench tail, the wrench head can be mounted on the wrench base in an upside-down manner, and the pull wire of the gas spring is connected to the wrench head.

6. The seat cushion adjustment mechanism of a gravity back-training learning chair according to claim 5, characterized in that: The head of the wrench head is provided with a wire drawing slot, and the wire drawing of the gas spring is fixed in the wire drawing slot.

7. The seat cushion adjustment mechanism of a gravity back-training learning chair according to claim 5, characterized in that: The tail of the wrench is in a flat plate structure.

8. The seat cushion adjustment mechanism of a gravity back-training learning chair according to claim 5, characterized in that: The gas spring wrench switch assembly comprises a wrench decorative cover, and the wrench base is fixedly connected to the wrench decorative cover.

9. The seat cushion adjustment mechanism of a gravity back-training learning chair according to claim 8, characterized in that: The wrench decorative cover is fixedly installed in the first installation groove by fastening screws.

10. The seat cushion adjustment mechanism of a gravity back-training learning chair according to claim 1, characterized in that: include: 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.

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