CN215304362U

CN215304362U - Waist rest device

Info

Publication number: CN215304362U
Application number: CN202120666060.2U
Authority: CN
Inventors: 刘洋; 程军
Original assignee: UE Furniture Co Ltd
Current assignee: UE Furniture Co Ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-12-28
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a lumbar support device, which comprises a back support piece and a lumbar support piece connected to the back support piece, wherein the lumbar support piece is U-shaped and comprises a support cross rod and support arms positioned on the left side and the right side of the support cross rod; the upper end of each supporting arm is provided with a connecting section extending backwards, a fixing piece is arranged at the corresponding position of the back support piece, and the connecting sections and the fixing pieces are connected and fixed through screws; the waist support piece has elasticity, and back support piece is installed back on back support piece, and waist support piece is the front arch and chooses empty gesture, all has the interval between support horizontal pole and the back support piece, between support arm and the back support piece. The waist support piece and the back support piece are conveniently and quickly connected and are fixed through two points; the structure is simple, and the whole body is simple and beautiful after connection; moreover, a gap exists between the waist support piece and the back support piece, so that the waist support piece can be elastically deformed in the front-back direction, and the use comfort is improved.

Description

Waist rest device

Technical Field

The utility model relates to the field of seats, in particular to a waist rest device.

Background

Most of office chairs with waist rests sold in the market at present are realized by assembling a plurality of independent parts, so that relatively speaking, the office chairs have a plurality of product parts, higher cost and more complex structure, parts are easy to lose or leak, and the assembly is inconvenient; not meeting the current simple aesthetic requirements.

Therefore, it is highly desirable to design a lumbar support device that has a simple structure, a quick connection, and a simple and beautiful appearance after connection.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a lumbar support device with a more simplified structure; the waist support piece and the back support piece are connected by screws, only two points need to be fixed, the connection is convenient and quick, and the whole body is simple and attractive after the connection; after the connection, a space is reserved between the waist support piece and the back support piece, so that the waist support piece is in a suspended state, and the appearance is beautified; and the waist support piece can carry out elastic deformation in the front-back direction, so that the use comfort is improved.

The technical scheme of the utility model is realized as follows:

a waist support device comprises a back support piece and a waist support piece connected to the back support piece, wherein the waist support piece is U-shaped and comprises a support cross rod and support arms positioned on the left side and the right side of the support cross rod; the upper end of each supporting arm is provided with a connecting section extending backwards, a fixing piece is arranged at the corresponding position of the back support piece, and the connecting sections and the fixing pieces are connected and fixed through screws; the waist support piece has elasticity, and back support piece is installed back on back support piece, and waist support piece is the front arch and chooses empty gesture, all has the interval between support horizontal pole and the back support piece, between support arm and the back support piece. The waist support piece and the back support piece are conveniently and quickly connected and are fixed through two points; the structure is simple, the connection is in a suspended state, and the whole structure is simple and beautiful; moreover, a gap exists between the waist support piece and the back support piece, so that the waist support piece can be elastically deformed in the front-back direction, and the use comfort is improved.

Preferably, the connecting segments are provided with connecting holes penetrating through the connecting segments in the front and back direction, and the front end surface of the fixing piece is correspondingly provided with an internal threaded hole. And the connection is fast and stable by adopting screw connection.

Preferably, the fixing piece is a cylinder which is arranged on the back support piece and protrudes forwards, and a slotted hole which is coaxial with the connecting hole and has a diameter larger than that of the connecting hole is arranged at one end of the connecting section connected with the fixing piece; the fixing piece penetrates through the slotted hole. The fixing piece is a cylinder and is arranged in the slotted hole in a penetrating way, so that the strength of the connecting part can be increased; and the second way is that the connecting hole is aligned with the hole position of the internal thread hole.

Preferably, the supporting arm is an arc-shaped body protruding forwards, and the corresponding part of the back support is matched with the contour of the supporting arm. The structure of the waist back of the human body is similar, so that the supporting performance of the waist support is better.

Preferably, the support cross bar, the support arms and the connecting sections are integrally formed. The processing and forming are more convenient.

Preferably, the supporting cross rod and the supporting arm are made of elastic engineering plastics. The waist support has good elasticity and low cost.

Preferably, the back support is provided with longitudinal reinforcing ribs along the upper and lower sides of the fixing member. The structural strength of reinforcing mounting further improves the steadiness of junction.

Preferably, the lumbar support member is covered with a flexible cover made of leather, cloth cover or mesh. The connecting trace between the waist support and the back support can be further covered, so that the whole integrity is better.

The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:

the upper ends of the supporting arms at the left side and the right side of the waist support are provided with connecting sections, and the back support is correspondingly provided with a fixing part, so that the waist support and the back support can be quickly connected through screws, the waist support and the back support can be installed only by fixing two points, and the waist support and the back support are convenient to install and disassemble; the waist support piece is elastic and has a gap with the back support piece after being connected, so that the waist support piece is in a suspended state; the structure is more simple and beautiful; in the use for waist leans on support piece can be to going up elastic deformation in the front and back, and self-adaptation user's developments position of sitting accords with human engineering.

In addition, when in connection, the fixing piece is arranged in the slotted hole of the connecting section in a penetrating way; reinforcing ribs are arranged on the upper side and the lower side of the fixing piece; the structure strength of the joint of the waist support and the back support can be ensured, and the structure is simplified and the stability of the structure is guaranteed.

Drawings

FIG. 1 is a schematic perspective view of a lumbar support mounted on a back support in an embodiment of the present invention;

FIG. 2 is a perspective view of an embodiment of the utility model with the lumbar support and the back support unconnected;

FIG. 3 is a side view of the lumbar support and back support after they are connected in an embodiment of the present invention;

FIG. 4 is a side cross-sectional view of the lumbar support and back support coupled in accordance with an embodiment of the present invention;

figure 5 is a side view of a lumbar support in a further embodiment of the present invention;

figure 6 is a schematic perspective view of a lumbar support in an embodiment of the present invention;

figure 7 is a schematic perspective view of another angle of the lumbar support in an embodiment of the present invention;

FIG. 8 is a perspective view of a back support according to an embodiment of the present invention;

figure 9 is a schematic perspective view of the lumbar support wrapped with a flexible cover according to an embodiment of the present invention.

The figures are numbered: a back support 1; a lumbar support 2; a support rail 3; a support arm 4; a connecting segment 5; a fixing member 6; a connecting hole 7; an internally threaded bore 8; a slot 9; a reinforcing rib 10; a flexible cover 11.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more than one unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific embodiment of the utility model is as follows:

as shown in fig. 1 to 9, the present invention provides a lumbar support device, which includes a back support 1 and a lumbar support 2 connected to the back support 1; the waist support part 2 is U-shaped, and the waist support part 2 comprises a support cross rod 3 and support arms 4 positioned at the left side and the right side of the support cross rod 3; wherein, the upper end of the single supporting arm 4 is provided with a connecting section 5, and the corresponding position of the back supporting piece 2 is provided with a fixing piece 6; the connecting section 5 and the fixing piece 6 are connected and fixed by screws, so that the waist support piece 2 and the back support piece 1 are conveniently and quickly connected, and the connection is simple and attractive; the waist support piece 2 is elastic, after the waist support piece 2 is installed on the back support piece 1, the waist support piece 2 is in a front arch hollow state, and intervals are arranged between the support cross rod 3 and the back support piece 1 and between the support arm 4 and the back support piece 1; make waist support piece 2 be in "unsettled" state, and waist support piece 2 can carry out elastic deformation in front and back direction, improve and use the travelling comfort.

As shown in fig. 2-7, the support cross bar 3, the support arms 4 and the connecting sections 5 are integrally formed, so that the lumbar support 2 is more convenient to process and manufacture and has lower cost; and support horizontal pole 3 and support arm 4 all adopt elastic engineering plastics to make for waist leans on support piece 2 to have better elasticity, and when the user used, waist leans on support piece 2 can elastic deformation with the dynamic position of sitting of self-adaptation adjustment user.

As shown in fig. 3-5, the supporting arm 4 is an arc-shaped body protruding forwards and matches with the configuration of the human lumbar back, so that the lumbar support 2 has good support performance; and as shown in fig. 3, the corresponding part of the back support 1 is matched with the contour of the supporting arm 4, so that the integrity of the back support 1 and the lumbar support 2 is better and the appearance is more attractive.

As shown in fig. 2 and 4-8, the connecting section 5 is formed by extending the upper end of the supporting arm 4 backwards, and a connecting hole 7 penetrating through the connecting section 5 from front to back is arranged; the fixing pieces 6 are arranged on two sides of the back support piece 1 in a mirror image mode, the fixing pieces 6 are cylinders which are arranged on the back support piece 1 and protrude forwards, and the front end face of each fixing piece 6 is correspondingly provided with an internal threaded hole 8, so that the connecting segments 5 and the fixing pieces 6 can be connected and fixed through screws. In addition, a slotted hole 9 which is coaxial with the connecting hole 7 and has a diameter larger than that of the connecting hole 7 is arranged at the rear end of the connecting section 5, and the fixing piece 6 can just penetrate through the slotted hole 9; then when the lumbar support 1 and the back support 1 are installed, the lumbar support 1 and the back support 1 are butted front and back, the front end of the fixing piece 6 is arranged in the slot hole 9 in a penetrating way, at the moment, the connecting hole 7 is aligned with the hole position of the internal thread hole 8, and then a screw is directly penetrated through the connecting hole 7 and is connected to the internal thread hole 8 in a threaded way; the waist support piece 2 and the back support piece 1 are connected conveniently and quickly, and the structure is simple and reliable by fixing two points at the upper end. In addition, back support piece 1 on, still be equipped with fore-and-aft strengthening rib 10 along the upper and lower both sides of mounting 6, can increase the structural strength of mounting 6, improve the steadiness of waist back support piece 2 and back support piece 1 junction.

As shown in fig. 1-4, the above-mentioned connecting structure is adopted, so that the lumbar support 2 can be quickly and conveniently connected to the back support 1; as shown in fig. 4, after the lumbar support 2 is mounted on the back support 1, a gap exists between the support arm 4 and the back support 1, and a gap also exists between the support cross bar 3 and the back support 1; it then appears that the lumbar support 2 is in a "suspended" state, which is a design that has two main benefits: firstly, the whole looks simple in structure and more concise and beautiful in integral shape, and the aesthetic requirements of the current young people are met; secondly, the lumbar support part 2 has elasticity, so that the lumbar support part 2 can be stressed to deform in the front and rear directions in the using process, the dynamic sitting posture of a user is self-adapted, and the lumbar support part accords with human engineering; and as shown in fig. 9, finally, the lumbar support 2 is wrapped with a flexible cover 11, and the flexible cover 11 is an elastic cloth cover; the flexible cover 11 can further hide the trace of the connection between the lumbar support 2 and the back support 1, resulting in better overall integrity.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. A lumbar support device characterized by: the waist support piece is U-shaped and comprises a support cross rod and support arms positioned at the left side and the right side of the support cross rod; the upper end of each supporting arm is provided with a connecting section extending backwards, a fixing piece is arranged at the corresponding position of the back support piece, and the connecting sections and the fixing pieces are connected and fixed through screws; the waist support piece has elasticity, and back support piece is installed back on back support piece, and waist support piece is the front arch and chooses empty gesture, all has the interval between support horizontal pole and the back support piece, between support arm and the back support piece.

2. The lumbar support device of claim 1, wherein: the connecting segments are provided with connecting holes which penetrate through the connecting segments from front to back, and the front end surface of the fixing piece is correspondingly provided with an internal threaded hole.

3. The lumbar support device of claim 2, wherein: the fixing piece is a cylinder which is arranged on the back support piece and protrudes forwards, and a slotted hole which is coaxial with the connecting hole and has a diameter larger than that of the connecting hole is arranged at one end of the connecting section connected with the fixing piece; the fixing piece penetrates through the slotted hole.

4. The lumbar support device of claim 1, wherein: the supporting arm is an arc-shaped body protruding forwards, and the corresponding part of the back supporting piece is matched with the contour of the supporting arm.

5. The lumbar support device of claim 1, wherein: the supporting cross rod, the supporting arms and the connecting sections are integrally formed.

6. The lumbar support device of claim 1, wherein: the supporting cross rods and the supporting arms are made of elastic engineering plastics.

7. The lumbar support device of claim 3, wherein: and longitudinal reinforcing ribs are arranged on the back supporting piece along the upper side and the lower side of the fixing piece.

8. The lumbar support device of claim 1, wherein: the waist support piece is coated with a flexible cover which is made of leather, cloth covers or mesh cloth.