CN217218541U - Adjustable Lumbar Pillow & Office Chair - Google Patents

Abstract

The utility model discloses an adjustable waist pillow pad, which comprises a main body, a waist pillow pad, a supporting side back plate, bases and a rotating rod, wherein the waist pillow pad is arranged at the opening at the front end of the main body, the supporting side back plate is arranged at one side of the back side of the waist pillow pad, the supporting side back plate is provided with two bases in a rotating way, the two bases are arranged on the rotating rod, when the rotating rod rotates, at least one base moves on the rotating rod, so that the supporting side back plate is bent to jack up one side of the waist pillow pad to form the support of the waist; the middle support back plate is arranged at the center of the back side of the waist pillow pad; the back plate in the support is arranged on the telescopic sleeve, the adjusting screw rod is arranged in the telescopic sleeve, the adjusting screw rod is rotated, the back plate in the support moves towards the waist pillow by rotating the adjusting screw rod, and the middle part of the waist pillow is jacked up to form the support for the waist.

Description

Adjustable Lumbar Pillow & Office Chair

technical field

The utility model relates to the technical field of office chairs, in particular to an adjustable lumbar pillow pad and an office chair.

Background technique

The lumbar spine is under the greatest pressure during sedentary work, so the existing office chairs use a lumbar support to support the lumbar spine to reduce the pressure on the spine. Most of the existing office chairs in the market use a fixed lumbar support, which has poor functionality and comfort. disadvantages.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the present utility model proposes an adjustable lumbar pillow, which can provide users with choices of different supporting strengths by adjusting the lumbar pillow.

The utility model also proposes an office chair with the above-mentioned adjustable lumbar pillow.

According to an embodiment of the first aspect of the present invention, an adjustable lumbar pillow is characterized in that it includes a main body, a lumbar pillow, a supporting side backboard, a base, and a rotating rod, and a lumbar pillow is installed at the front opening of the main body. The back side of the lumbar pillow cushion is provided with the support side back plate, the support side back plate is rotatably mounted with two bases, and the two bases are mounted on the rotating rod; the The rotating rod is threadedly connected with the first base, and the rotating rod is rotatably mounted on the second base; when the rotating rod rotates, the first base moves in the direction of the second base Moving, the support side backboard is bent to push up the lumbar pillow to form a lumbar support.

According to some embodiments of the present invention, it further includes a support middle back plate, the support middle back plate is installed in the center of the back side of the lumbar pillow; the support middle back plate is installed on a telescopic sleeve, the telescopic sleeve An adjusting screw is installed in the barrel, and the adjusting screw is rotated to move the middle support plate to the direction of the lumbar pillow, and the middle of the lumbar pillow is pushed up to form a support for the waist.

According to the embodiment of the second aspect of the present invention, an adjustable lumbar pillow is characterized in that it includes a main body, a lumbar pillow, a supporting side backboard, a base, and a rotating rod, and the front opening of the main body is provided with a lumbar pillow The back side of the lumbar pillow cushion is provided with the support side back plate, the support side back plate is rotatably mounted with two bases, and the two bases are mounted on the rotating rod; the The rotating rod is provided with two thread segments, the two thread segments are respectively connected with the two bases, and the thread directions of the two thread segments are opposite; when the rotating rod rotates, the two bases Opposite movement, the supporting side backboard is bent, and the lumbar pillow is pushed up to form a lumbar support.

According to some embodiments of the present invention, it further includes a support middle back plate, the support middle back plate is installed in the center of the back side of the lumbar pillow; the support middle back plate is installed on a telescopic sleeve, the telescopic sleeve An adjusting screw is installed in the barrel, and the adjusting screw is rotated to move the middle support plate to the direction of the lumbar pillow, and the middle of the lumbar pillow is pushed up to form a support for the waist.

According to the third aspect of the present invention, an office chair includes a chair back body and a lumbar pillow, the lumbar pillow is slidably mounted on the chair back body, and the lumbar pillow adopts the first embodiment. The adjustable lumbar pillow according to the present invention or an adjustable lumbar pillow according to the second aspect embodiment, the supporting side backboard adopts two pieces and is located on the left side and the right side of the back side of the lumbar pillow respectively. The middle backboard is located between the two supporting side backboards.

According to some embodiments of the present invention, the lumbar pillow is mounted on a sliding back plate, and the sliding back plate is provided with a sliding groove in the longitudinal direction, and a sliding block is slidably installed in the sliding groove, and the sliding block is connected to the sliding block. The seat back body is connected.

According to some embodiments of the present invention, the sliding back plate is provided with a plurality of gear positions along the longitudinal direction, the gear positions are provided with a gear block, and the gear block is mounted on the seat back on the subject.

According to some embodiments of the present invention, the telescopic sleeve includes an outer sleeve and an inner sleeve, the adjusting screw and the inner sleeve are sequentially installed in the outer sleeve, and the inner sleeve is connected to the outer sleeve. The adjusting screw is threadedly connected, and the bottom end of the adjusting screw protrudes from the outer sleeve; the top of the inner sleeve is connected with a support rib, and the support rib is connected with the support middle back plate, and the rotation of the The adjusting screw makes the inner sleeve telescopically move in the outer sleeve.

According to some embodiments of the present invention, a spring is installed between the outer sleeve and the inner sleeve.

According to some embodiments of the present invention, two rotating rods are used, and the opposite ends of the two rotating rods are respectively equipped with driven bevel teeth, and both of the driven bevel teeth are engaged with the driving umbrella On the tooth, the center of the active bevel tooth passes through the telescopic sleeve.

According to some embodiments of the present invention, two supporting side backboards are used, and they are located on the left and right sides of the back side of the lumbar pillow, respectively; the rotating rods are two, and the two rotating rods are The opposite ends of the rod are respectively provided with driven bevel teeth, two of the driven bevel teeth are meshed with the active bevel teeth, and an adjustment rod is mounted on the active bevel teeth.

The utility model at least has the following beneficial effects:

1. Two bases are installed on the back plate of the support side, and the two bases are installed on the rotating rod. When the rotating rod rotates, at least one base moves on the rotating rod, so that the back plate of the supporting side is bent and the lumbar pillow is cushioned. Side push ups form waist support.

2. By turning the adjusting screw, the support middle back plate is moved toward the lumbar cushion, and the middle of the lumbar cushion is raised to form the support for the waist.

Additional aspects and advantages of the invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

Fig. 1 is the use state schematic diagram of the embodiment of the present utility model;

FIG. 2 is a schematic diagram of a combined state of a seat back main body and a sliding back panel according to an embodiment of the present invention;

3 is a schematic diagram of a rising state of a sliding back plate according to an embodiment of the present invention;

4 is a schematic diagram of an exploded state of a lumbar pillow according to an embodiment of the present utility model;

5 is a schematic side view of a lumbar pillow according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of the linkage state of the rotating rod and the telescopic sleeve according to the embodiment of the present invention.

FIG. 7 is an exploded schematic diagram of the linkage state of the rotating rod and the telescopic sleeve according to the embodiment of the present invention.

FIG. 8 is a schematic diagram 1 of an adjustment method of the support side back panel according to the embodiment of the present invention;

FIG. 9 is a schematic diagram of a first schematic diagram of a supporting side back panel adjustment method according to an embodiment of the present invention; FIG. 2 ;

FIG. 10 is a schematic diagram of a second mode of adjusting the support side back panel according to the embodiment of the present invention.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but should not be construed as a limitation of the present invention.

1, an adjustable lumbar pillow includes a main body 100, a lumbar pillow 200, a supporting side back plate 300, a base 400, and a rotating rod 500. The front opening of the main body 100 is provided with a lumbar pillow 200, a lumbar pillow. The back side of the pad 200 is provided with a support side back plate 300 , the support side back plate 300 is rotatably mounted with two bases 400 , and the two bases 400 are mounted on the rotating rod 500 .

Referring to Figures 8 and 9, the first adjustment method of the support side backplane: the rotating rod 500 is threadedly connected to the first base 400, and the rotating rod 500 is rotatably mounted on the second base 400; when the rotating rod 500 rotates, the first The first base 400 moves toward the second base 400 , and the second base 400 keeps the position fixed, so that the supporting side back plate 300 is bent and the lumbar pillow 200 is lifted up to form a support for the waist.

Referring to FIG. 10 , the second adjustment method of the support side back plate: the rotating rod 500 is provided with two threaded sections 510, the two threaded sections 510 are respectively threaded with the two bases 400, and the thread directions of the two threaded sections 510 are opposite. ; When the rotating rod 500 rotates, the two bases 400 move oppositely, so that the supporting side back plate 300 is bent and the lumbar cushion 200 is lifted up to form a support for the waist.

In the above two embodiments, the supporting side backboard 300 is made of two pieces, which are located on the left and right sides of the back side of the lumbar pillow 200, respectively, and a supporting middle backboard 600 is installed between the two supporting side backboards 300. Further, Improve the support for the waist; the supporting middle back plate 600 is installed on the telescopic sleeve 700, and the telescopic sleeve 700 is equipped with an adjusting screw 800, and the adjusting screw 800 is rotated to move the supporting middle back plate 600 to the direction of the waist pillow 200, and the waist The middle of the pillow pad 200 is lifted up to form a support for the waist.

1 and 4, an office chair includes a seat back body 900 and a lumbar pillow 1000. The lumbar pillow 1000 is slidably mounted on the seat back body 900 up and down, and the lumbar pillow 1000 adopts the first embodiment of the An adjustable lumbar pillow pad or an adjustable lumbar pillow pad according to the two aspects of the embodiment, the supporting side back plate 300 is made of two pieces and is located on the left and right sides of the back side of the lumbar pillow pad 200 respectively, and supports the middle back plate 600 It is located between the two supporting side backboards 300 .

Referring to FIGS. 2 and 3 , in order to enable the lumbar pillow 1000 to be adjusted up and down, the lumbar pillow 1000 is mounted on the sliding back plate 1100 , and the sliding back plate 1100 is provided with a sliding groove 1110 along the longitudinal direction, and the sliding groove 1110 is slidably equipped with The slider 1120 is connected to the seat back body 900 .

In order to fix the height position of the lumbar pillow, a plurality of gear positions 1130 are opened in the longitudinal direction of the sliding back plate 1100. The gear positions 1130 are provided with a gear block 1140, and the gear block 1140 is installed on the seat back. Main body 900 on.

Referring to 6 and 7, the telescopic sleeve 700 includes an outer sleeve 710 and an inner sleeve 720. The adjustment screw 800 and the inner sleeve 720 are sequentially installed in the outer sleeve 710, and the inner sleeve 720 is threadedly connected with the adjustment screw 800. The bottom end of the adjusting screw 800 protrudes from the outer sleeve 710; the top of the inner sleeve 720 is connected with a support rib 740, which is connected to the supporting middle back plate 600, and the adjusting screw 800 is rotated to make the inner sleeve 720 in the outer sleeve 710 The inner telescopic movement; the spring 730 is installed between the outer sleeve 710 and the inner sleeve 720 .

Two rotating rods 500 are used. The opposite ends of the two rotating rods 500 are respectively equipped with driven bevel teeth 530. The two driven bevel teeth 530 are both engaged with the active bevel teeth 520. Pass through the outer sleeve 710 in the telescopic sleeve 700 .

In actual use, a large adjustment knob and a small adjustment knob installed in the large adjustment knob can be used. The large adjustment knob is connected to the active bevel tooth 520, and the small adjustment knob is connected to the adjustment screw 800, so that the active adjustment knob can be rotated by rotating the large adjustment knob. When the bevel tooth 520 rotates, the adjusting screw 800 can also be rotated by rotating the small adjusting knob.

The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the art, the present utility model can also be used without departing from the purpose of the present utility model. make various changes.

Claims (10)

1. An adjustable lumbar pillow, characterized in that it comprises a main body (100), a lumbar pillow (200), a supporting side back plate (300), a base (400), and a rotating rod (500), and the main body ( The front opening of 100) is provided with a lumbar pillow (200), the back side of the lumbar pillow (200) is provided with the support side back plate (300), and the support side back plate (300) rotates Two of the bases (400) are installed, and the two bases (400) are mounted on the rotating rod (500); the rotating rod (500) is threadedly connected to the first base (400), The rotating rod (500) is rotatably mounted on the second base (400); when the rotating rod (500) rotates, the first base (400) moves toward the second base (400). ) to move the supporting side backboard (300) to bend the lumbar pillow (200) to support the waist. 2 . The adjustable lumbar pillow according to claim 1 , further comprising a supporting middle back plate ( 600 ), the supporting middle back plate ( 600 ) being mounted on the lumbar pillow ( 200 ). 3 . The center of the back side; the supporting middle back plate (600) is mounted on a telescopic sleeve (700), and an adjusting screw (800) is installed in the telescopic sleeve (700), and the adjusting screw (800) is rotated to make The middle support plate (600) moves in the direction of the lumbar pillow (200), and lifts the middle of the lumbar pillow (200) to form a support for the waist. 3. An adjustable lumbar pillow, characterized in that it comprises a main body (100), a lumbar pillow (200), a supporting side back plate (300), a base (400), and a rotating rod (500), and the main body ( The front opening of 100) is provided with a lumbar pillow (200), the back side of the lumbar pillow (200) is provided with the support side back plate (300), and the support side back plate (300) rotates Two bases (400) are installed, and the two bases (400) are installed on the rotating rod (500); the rotating rod (500) is provided with two threaded sections (510), two The threaded segments (510) are respectively threadedly connected with the two bases (400), and the thread directions of the two threaded segments (510) are opposite; when the rotating rod (500) rotates, the two bases (400) move in opposite directions to bend the support side backboard (300) to push up the lumbar pillow (200) to support the waist. The adjustable lumbar pillow according to claim 3, characterized in that it further comprises a supporting middle back plate (600), and the supporting middle back plate (600) is mounted on the lumbar pillow (200) The center of the back side; the supporting middle back plate (600) is mounted on a telescopic sleeve (700), and an adjusting screw (800) is installed in the telescopic sleeve (700), and the adjusting screw (800) is rotated to make The middle support plate (600) moves in the direction of the lumbar pillow (200), and lifts the middle of the lumbar pillow (200) to form a support for the waist. 5. An office chair, characterized in that it comprises a chair back main body (900) and a lumbar pillow (1000), the lumbar pillow (1000) being slidably mounted on the chair back main body (900), the The lumbar pillow (1000) adopts an adjustable lumbar pillow according to claim 2 or 4, and the supporting side backboard (300) adopts two pieces, which are respectively located on the left side of the back side of the lumbar pillow (200). On the side and the right side, the supporting middle backboard (600) is located between the two supporting side backboards (300). 6. The office chair according to claim 5, wherein the lumbar pillow (1000) is mounted on a sliding backboard (1100), and the sliding backboard (1100) is provided with a chute along the longitudinal direction (1110), a slider (1120) is slidably installed in the chute (1110), and the slider (1120) is connected with the seat back main body (900). 7 . The office chair according to claim 6 , wherein the sliding back plate ( 1100 ) is provided with a plurality of gear positions ( 1130 ) in the longitudinal direction, and the gear positions ( 1130 ) are internally installed. 8 . There is a blocking block (1140), and the blocking block (1140) is mounted on the seat back main body (900). 8 . The office chair according to claim 5 , wherein the telescopic sleeve ( 700 ) comprises an outer sleeve ( 710 ) and an inner sleeve ( 720 ), and the outer sleeve ( 710 ) has an inner The adjusting screw (800) and the inner sleeve (720) are sequentially loaded, the inner sleeve (720) is threadedly connected with the adjusting screw (800), and the bottom end of the adjusting screw (800) extends out of the outer sleeve (710); the top of the inner sleeve (720) is connected with a support rib (740), the support rib (740) is connected with the support middle back plate (600), and the rotating The adjusting screw (800) enables the inner sleeve (720) to telescopically move in the outer sleeve (710). 9 . The office chair according to claim 8 , wherein a spring ( 730 ) is installed between the outer sleeve ( 710 ) and the inner sleeve ( 720 ). 10 . 10 . The office chair according to claim 5 , wherein two rotating rods ( 500 ) are used, and the opposite ends of the two rotating rods ( 500 ) are respectively equipped with driven bevel teeth. 11 . (530), the two driven bevel teeth (530) are both engaged with the driving bevel teeth (520), and the center of the driving bevel teeth (520) passes through the telescopic sleeve (700).

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