Multi-point supporting modular seat backrest and seat

Abstract

The utility model provides a multi-point support modularization seat backrest and seat, including support subassembly, a plurality of independent modules and a plurality of spine support rod, the bottom end of support subassembly is connected with the cushion of seat, a plurality of independent modules are provided on the support subassembly, and the number of independent modules is adjustable; the spine supporting rods penetrate through the independent modules, and the length of the spine supporting rods penetrating out of the independent modules is adjustable. A user can freely set a back support and customize the seat according to the physical condition of the user, so that the comfort is improved, and the body harm caused by bad sitting postures is reduced. The back support is changed from the traditional two-point dorsal muscle support to the spine and two-side dorsal muscle three-point support, the support better conforms to the human body structure, and the existing sitting posture problem can be better solved especially for specific user groups with cervical vertebra or lumbar vertebra deformation.

Description

Technical Field

[0001] This utility model relates to the field of ergonomic chair equipment technology, and in particular to a multi-point support modular chair back and seat. Background Technology

[0002] The spine is the backbone of the human body, bearing the weight of the head and torso. Incorrect posture and overexertion can cause spinal problems, hence the development of ergonomic chairs to better support the spine. However, existing ergonomic chairs have the following drawbacks:

[0003] 1. Adaptability and personalization issues. The support adjustment of ergonomic chairs on the market mainly focuses on the strength of lumbar support, seat cushion and headrest height, ignoring the obvious differences in back support positions corresponding to different user body shapes. Users cannot reasonably adjust the seat support according to their own body shape. For example, there are obvious differences in back and lumbar support positions between people who are 155cm and 185cm tall, but current products on the market cannot meet the differentiated needs of customers.

[0004] 2. Defects in the design of the back support curve. In a normal sitting position, the back is supported by the spine and back muscles. Currently, ergonomic chairs on the market do not consider the support curve of the spine. The back support of chairs on the market is only on the muscles on both sides of the back. When a person sits normally, their back is mostly curled up, and the spine cannot be in a normal curvature. Prolonged sitting can lead to lesions of the lumbar and cervical spinal curves.

[0005] 3. Design flaws in seat headrests. Currently, seat headrests are all of the same style, all shaped like pillows, without truly considering the curves of the cervical spine and head. Whether the neck or the back of the head is in contact with the headrest for a long time, it will cause neck discomfort. Utility Model Content

[0006] In view of the shortcomings of the prior art described above, the technical problem to be solved by this utility model is to provide a multi-point support modular seat back and seat, so as to solve the defects of the existing ergonomic chairs.

[0007] To achieve the above objectives, this utility model provides a multi-point support modular seat backrest, applied to a seat; it includes a support component, several independent modules, and several spinal support rods. The bottom end of the support component is connected to the seat cushion of the seat. Several independent modules are arranged on the support component, and the number of independent modules is adjustable. Several spinal support rods pass through the independent modules, and the length of the spinal support rods extending out of the independent modules is adjustable.

[0008] Preferably, the independent module has a main support through hole and a secondary support through hole extending through it in the vertical direction; the independent module has a support rod connection hole in the front-back direction; and the front or rear face of the independent module also has several independent module fixing holes.

[0009] Preferably, the support assembly includes a main support member and a secondary support member, wherein the main support through hole is sleeved on the outer periphery of the main support member, and the secondary support member passes through the secondary support through hole.

[0010] Preferably, it also includes a headrest, the bottom end of the main support member is connected to the seat cushion or seat back support plate, and the top end of the secondary support member is connected to the headrest; a number of independent modules are sleeved on the main support member through the main support through hole; the secondary support member passes through the secondary support through hole in the independent module, and the headrest abuts against the top surface of the top independent module.

[0011] Preferably, the spinal support rod includes a rod cap, a rod body, and a spinal support head. The rod cap and the spinal support head are respectively disposed at both ends of the rod body. The rod body is connected to an independent module through a support rod connection hole. The rod cap is used to adjust the length of the rod body extending out of the independent module.

[0012] Preferably, the support rod connection hole is a threaded hole, the rod body has threads, and the spinal support head is detachably connected to the rod body; the fitting length of the rod body in the support rod connection hole is adjusted by the rod cap.

[0013] Preferably, it also includes a cervical spine support rod; the cervical spine support rod includes a rod cap, a rod body, and a cervical spine support head, the rod cap and the cervical spine support head are respectively disposed at both ends of the rod body, the rod body is connected to the independent module through the support rod connection hole, and the rod cap is used to adjust the length of the rod body extending out of the independent module.

[0014] Preferably, the device further includes several support pad assemblies, which are mounted on the independent module and used to support the back and waist. Each support pad assembly includes a support pad crossbar, a support frame, and a cushioning pad. There are two support frames, which are located at both ends of the support pad crossbar, and the cushioning pad is mounted on the support frame. The support pad crossbar has several crossbar fixing holes, and the support pad crossbar is connected to the independent module through the crossbar fixing holes, the independent module fixing holes, and fasteners between them.

[0015] Preferably, the support frame has a plurality of limiting holes, and the support pad crossbar has a crossbar connecting hole, the crossbar connecting hole being aligned with the limiting holes, and the two being connected by a fastener.

[0016] To achieve the above or other objectives, this utility model also discloses a seat, including the aforementioned multi-point support modular seat back, as well as a seat cushion and support legs, wherein the seat cushion, support legs, and multi-point support modular seat back are fixedly connected.

[0017] As described above, the multi-point support modular seat back and seat involved in this utility model have the following beneficial effects:

[0018] 1. Users can freely adjust the back support according to their own physical condition to customize the chair, thereby improving comfort and reducing the physical harm caused by poor posture.

[0019] 2. The back support has been changed from the traditional two-point back muscle support to three-point support for the spine and the back muscles on both sides. The support is more in line with the human body structure, especially for specific user groups who already have cervical or lumbar spine deformities, which can better help improve their existing sitting posture problems.

[0020] 3. For the most common cervical spine problems, the back and headrest structures are designed to better conform to the user's physiological curves, reducing the burden on the spine. Attached Figure Description

[0021] Figure 1 This is a first-view spatial diagram of the multi-point support modular seat back of this utility model;

[0022] Figure 2 This is a second-view spatial diagram of the multi-point support modular seat back of this utility model;

[0023] Figure 3 This is a side view of the modular seat backrest with multi-point support according to this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Support Components; 101. Main Support Component; 102. Secondary Support Component; 2. Independent Module; 201. Main Support Through Hole; 202. Secondary Support Through Hole; 203. Support Rod Connection Hole; 204. Independent Module Fixing Hole; 3. Spinal Support Rod; 301. Rod Cap; 302. Rod Body; 303. Spinal Support Head; 4. Headrest; 5. Cervical Support Rod; 501. Cervical Support Head; 6. Support Pad Assembly; 601. Support Pad Crossbar; 6010. Crossbar Connection Hole; 6011. Crossbar Fixing Hole; 602. Support Frame; 6020. Limiting Hole; 603. Buffer Pad. Detailed Implementation

[0026] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification.

[0027] It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and to facilitate understanding. They are not intended to limit the scope of this invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this invention, should still fall within the scope of the technical content disclosed herein. Furthermore, terms such as "upper," "lower," "left," "right," and "middle" used in this specification are merely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0028] This utility model provides a multi-point support modular seat back. For ease of description, the length direction of the independent module 2 is defined as the left-right direction, the width direction as the front-back direction, and the height direction as the up-down direction. Figure 1 Establish a spatial rectangular coordinate system, with the positive and negative directions of the X-axis being the right and left directions, the positive and negative directions of the Y-axis being the front and back directions, and the positive and negative directions of the Z-axis being the up and down directions.

[0029] like Figures 1-3 As shown, this utility model provides a multi-point support modular seat back (hereinafter referred to as seat back) for use in a seat; it includes a support component 1, several independent modules 2, and several spinal support rods 3. The bottom end of the support component 1 is connected to the seat cushion of the seat. Several independent modules 2 are set on the support component 1, and the number of independent modules 2 is adjustable. Several spinal support rods 3 are inserted through the independent modules 2, and the length of the spinal support rods 3 extending out of the independent modules 2 is adjustable.

[0030] This utility model relates to a multi-point support modular seat back, in which several independent modules 2 are mounted on a support component 1, and the number of independent modules 2 is adjustable, allowing users to freely adjust the number of independent modules 2 according to their height. The length of the spinal support rod 3 extending out of the independent modules 2 is also adjustable, allowing users to freely adjust the length of the spinal support rod 3 extending out of the independent modules 2 according to their spinal curve. This allows for customized seating, improving comfort and effectively reducing the physical harm caused by poor posture.

[0031] Preferred, such as Figures 1-3 As shown, the independent module 2 has a main support through hole 201 and a secondary support through hole 202 extending through the vertical direction; the independent module 2 has a support rod connection hole 203 extending in the front-back direction; and the independent module 2 also has several independent module fixing holes 204 on its front or rear face.

[0032] Preferred, such as Figures 1-3 As shown, the support assembly 1 includes a main support member 101 and a secondary support member 102. The main support through hole 201 is sleeved on the outer periphery of the main support member 101, and the secondary support member 102 passes through the secondary support through hole 202.

[0033] Furthermore, such as Figures 1-3 As shown, the seat back also includes a headrest 4. The bottom end of the main support member 101 is fixedly connected to the seat cushion or seat back support plate, and the top end of the secondary support member 102 is fixedly connected to the headrest 4. Several independent modules 2 are fitted onto the main support member 101 through the main support through hole 201. The secondary support member 102 passes through the secondary support through hole 202 into the independent modules 2, and the headrest 4 abuts against the top surface of the top independent module 2. Furthermore, an angle adjustment structure can be provided between the headrest 4 and the secondary support member 102 to adjust the front and rear tilt angle of the headrest, thereby improving head comfort.

[0034] Furthermore, such as Figures 1-2 As shown, in this embodiment, there are two main support members 101, two secondary support members 102, two main support through holes 201, and two secondary support through holes 202. The two main support through holes 201 are located on the rear side of the independent module 2, and the two secondary support through holes 202 are located on the front side of the independent module 2. In this embodiment, the main support through holes 201 and secondary support through holes 202 are not symmetrical about the centerline of the independent module 2. For example, the distance between the center of the secondary support through hole 202 and the front end face of the independent module 2 is 'a'; the distance between the center of the main support through hole 201 and the rear end face of the independent module 2 is 'b', therefore a ≠ b.

[0035] The lengths of the main support 101, the secondary support 102, and the height of the independent module 2 are all determined according to the actual situation. An example of the connection method between the main support 101, the secondary support 102, and the independent module 2 is as follows: For example, there are 13 independent modules 2 in total. The length of the main support 101 can penetrate 10 independent modules 2, and the length of the secondary support 102 can penetrate 5 independent modules 2. That is, from bottom to top, 10 independent modules 2 are penetrated by the main support 101, and from top to bottom, 5 independent modules 2 are penetrated by the secondary support 102. In other words, there are two independent modules 2 that are penetrated by both the main support 101 and the secondary support 102, thus enabling the installation of several independent modules 2.

[0036] Preferred, such as Figures 1-3 As shown, the spinal support rod 3 includes a rod cap 301, a rod body 302, and a spinal support head 303. The rod cap 301 is located at the rear end of the rod body 302, and the spinal support head 303 is located at the front end of the rod body 302. The rod body 302 is connected to the independent module 2 through the support rod connection hole 203. The rod cap 301 is used to adjust the length of the rod body 302 extending out of the independent module 2.

[0037] Furthermore, in this embodiment, the support rod connection hole 203 is a threaded hole, and the rod body 302 is provided with threads. The spinal support head 303 is detachably connected to the rod body 302. The fitting length of the rod body 302 in the support rod connection hole 203 is adjusted by the rod cap 301.

[0038] Preferred, such as Figures 1-3 As shown, the seat back also includes a cervical spine support rod 5; the cervical spine support rod 5 includes a rod cap 301, a rod body 302, and a cervical spine support head 501. The rod cap 301 is located at the rear end of the rod body 302, and the cervical spine support head 501 is located at the front end of the rod body 302. The rod body 302 is connected to the independent module 2 through the support rod connection hole 203. The rod cap 301 is used to adjust the length of the rod body 302 extending out of the independent module 2.

[0039] In this embodiment, the cervical support rod 5 and the spinal support rod 3 have the same cap 301 and rod body 302. The outer circumferential surface of the cap 301 is provided with a knob thread, or the rear end of the cap 301 is provided with a rotating groove. The spinal support head 303 and the cervical support head 501 are made of the same elastic material. The difference between the spinal support head 303 and the cervical support head 501 is that there is one spinal support head 303 on the rod body 302, while there are two cervical support heads 501 on the rod body 302.

[0040] Preferred, such as Figures 1-3 As shown, the seat back also includes several support pad assemblies 6, which are mounted on the independent module 2 and used to support the back and waist. In this embodiment, there are two sets of support pad assemblies 6, which are respectively mounted on two independent modules 2. These two sets of support pad assemblies 6 are used to support the user's waist and back.

[0041] Furthermore, such as Figure 1 , Figure 2 As shown, the support pad assembly 6 includes a support pad crossbar 601, a support frame 602, and a buffer pad 603. There are two support frames 602, which are located at both ends of the support pad crossbar 601. The buffer pad 603 is located on the support frame 602. The support pad crossbar 601 has several crossbar fixing holes 6011. The support pad crossbar 601 is connected to the independent module 2 through the crossbar fixing holes 6011, the independent module fixing holes 204, and the fasteners between them.

[0042] Furthermore, in this embodiment, the thickness of the support pad crossbar 601 is the difference between a and b. When the support pad crossbar 601 is installed on the independent module 2, the support pad crossbar 601 is exactly on the same vertical plane as the independent module 2 in the vertical direction.

[0043] Four independent module fixing holes 204 are provided on the rear end face of the independent module 2, and are located around the support rod connecting holes 203. Four crossbar fixing holes 6011 are also provided, with a crossbar through hole at the center of each hole. The independent module fixing holes 204 and crossbar fixing holes 6011 correspond one-to-one, and the support rod connecting holes 203 are aligned with the crossbar through holes. In other embodiments, the number of holes can be adjusted according to actual conditions.

[0044] The cushioning pad 603 is made of elastic material, and the front end face of the support frame 602 is an inwardly inclined surface, which effectively improves the wrapping effect of the cushioning pad 603 on the support frame 602.

[0045] Preferred, such as Figure 2 As shown, the support frame 602 has several limiting holes 6020, and the support pad crossbar 601 has a crossbar connecting hole 6010. The crossbar connecting hole 6010 is aligned with the limiting holes 6020, and the two are connected by a fastener. The user can align the crossbar connecting hole 6010 with different limiting holes 6020 to adjust the distance between the two support frames 602, thus accommodating users of different body types. In this embodiment, the fastener can be a bolt, a positioning pin, a buckle, etc. Alternatively, in other embodiments, the position adjustment of the support frame 602 on the support pad crossbar 601 can also be achieved through other structures, such as guide rails and sliders, racks and pinions, etc.

[0046] To achieve the above or other objectives, this utility model also discloses a seat, including the aforementioned multi-point support modular seat back, as well as a seat cushion and support legs, wherein the seat cushion, support legs, and multi-point support modular seat back are fixedly connected.

[0047] The multi-point support modular seat back and seat involved in this utility model work on the following principle:

[0048] First, the user selects an appropriate number of independent modules 2 based on their height and places them onto the main support 101. The height of the two independent modules 2 containing the support pad assembly 6 should be at the user's waist and back, while the height of the independent module 2 containing the cervical spine support rod 5 should be at the user's cervical spine. Then, the secondary support 102 is inserted into the independent modules 2. The rear ends of the two independent modules 2 containing the support pad assembly 6 should be installed on the front side; that is, the main support 101 should pass through the secondary support through holes 202 in the two independent modules 2, and the secondary support 102 should pass through the main support through holes 201 in the two independent modules 2. Using the formula a > b, the support pad crossbar 601 is precisely positioned between the two independent modules 2 in the vertical direction, thus preventing vertical offset of the support pad crossbar 601.

[0049] Secondly, the user selects the appropriate limiting hole 6020 according to their own body shape, aligns the appropriate limiting hole 6020 with the crossbar connecting hole 6010, and uses a fastener to connect, thereby adjusting the spacing between the support frames 602.

[0050] Finally, the user adjusts the depth of the spinal support rod 3 and cervical support rod 5 in the independent module 2 according to their own spinal curvature, so that the spinal support rod 3 and cervical support rod 5 can support the user's spine and cervical spine.

[0051] This utility model relates to a multi-point support modular chair back and seat, which allows users to freely set the support for their back and waist according to their own body conditions (height, body type). The support pad component 6 can be adjusted in both longitudinal height and lateral width, thus customizing the seat to improve comfort and reduce the physical harm caused by poor posture. In particular, it can better help improve the existing posture problems of specific user groups who already have cervical or lumbar spine deformities.

[0052] In summary, this utility model effectively overcomes the various shortcomings of the prior art and has high industrial application value.

[0053] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A multi-point support modular seat back, applied to a seat; characterized in that: The application relates to a seat support assembly, which comprises a support assembly (1), a plurality of independent modules (2) and a plurality of spine support rods (3), the bottom end of the support assembly (1) is connected with a seat cushion, the plurality of independent modules (2) are arranged on the support assembly (1), and the number of the independent modules (2) can be adjusted; the plurality of spine support rods (3) are arranged on the independent modules (2), and the length of the spine support rods (3) penetrating the independent modules (2) can be adjusted.

2. The multi-point support modular seat back of claim 1, wherein: A main support through hole (201) and a vice support through hole (202) are arranged in the independent module (2) and penetrate the independent module (2) in the up-down direction; a support rod connecting hole (203) is arranged in the independent module (2) and penetrates the independent module (2) in the front-rear direction; a plurality of independent module fixing holes (204) are arranged on the front end face or the rear end face of the independent module (2).

3. The multi-point support modular seat back of claim 2, wherein: The support assembly (1) comprises a main support piece (101) and a vice support piece (102), the main support through hole (201) is sleeved on the outer periphery of the main support piece (101), and the vice support piece (102) penetrates the vice support through hole (202).

4. The multi-point support modular seat back of claim 3, wherein: The application further comprises a headrest (4), the bottom end of the main support piece (101) is connected with a seat cushion or a seat back support plate, the top end of the vice support piece (102) is connected with the headrest (4), the plurality of independent modules (2) are sleeved on the main support piece (101) through the main support through hole (201), the vice support piece (102) penetrates the independent module (2) through the vice support through hole (202), and the headrest (4) abuts against the top face of the top independent module (2).

5. The multi-point support modular seat back of claim 2, wherein: The spine support rod (3) comprises a rod cap (301), a rod body (302) and a spine support head (303), the rod cap (301) and the spine support head (303) are arranged at the two ends of the rod body (302) respectively, the rod body (302) is connected with the independent module (2) through the support rod connecting hole (203), and the rod cap (301) is used for adjusting the length of the rod body (302) penetrating the independent module (2).

6. The multi-point support modular seat back of claim 5, wherein: The support rod connecting hole (203) is a threaded hole, a screw thread is arranged on the rod body (302), the spine support head (303) is detachably connected with the rod body (302), and the length of the rod body (302) in the support rod connecting hole (203) is adjusted through the rod cap (301).

7. The multi-point support modular seat back of claim 2, wherein: The application further comprises a cervical vertebra support rod (5), the cervical vertebra support rod (5) comprises a rod cap (301), a rod body (302) and a cervical vertebra support head (501), the rod cap (301) and the cervical vertebra support head (501) are arranged at the two ends of the rod body (302) respectively, the rod body (302) is connected with the independent module (2) through the support rod connecting hole (203), and the rod cap (301) is used for adjusting the length of the rod body (302) penetrating the independent module (2).

8. The multi-point support modular seat back of claim 2, wherein: Also include several support pad assemblies (6), the support pad assemblies (6) are arranged on independent module (2), for supporting back and waist;The support pad assembly (6) includes support pad cross bar (601), support frame (602), and buffer pad (603), the number of support frame (602) is two, two support frames (602) are arranged at the both ends of support pad cross bar (601), and the buffer pad (603) is arranged on the support frame (602);A plurality of cross bar fixing holes (6011) are formed in the support pad cross bar (601), and the support pad cross bar (601) is connected with the independent module (2) through the cross bar fixing hole (6011), the independent module fixing hole (204) and the fastening member therebetween.

9. The multi-point support modular seat back of claim 8, wherein: A plurality of limiting holes (6020) are formed in the support frame (602), a cross bar connecting hole (6010) is formed in the support pad cross bar (601), the cross bar connecting hole (6010) is aligned with the limiting hole (6020), and the two are connected through the fastening member.

10. A seat, characterized by: The multi-point support modular seat back of any one of claims 1-9, further comprising a seat cushion and a leg, the seat cushion, the leg, and the multi-point support modular seat back are fixedly connected.

Images