CN220293309U

CN220293309U - Lumbar support device

Info

Publication number: CN220293309U
Application number: CN202321733709.3U
Authority: CN
Inventors: 王利军
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-01-05
Anticipated expiration: 2033-07-04

Abstract

The utility model discloses a lumbar support device which comprises a lumbar support body and a support seat, wherein the lumbar support body is fixedly arranged on the support seat, the support seat comprises a mounting table, an adjusting unit and a positioning unit, the mounting table is connected with the adjusting unit, the adjusting unit is fixedly connected with the positioning unit, and the lumbar support device is fixed on a seat through the positioning unit. A detachable positioning unit is arranged to fix the waist rest, support and protection of the waist of the hard chair are assisted, and the waist rest is convenient to detach and install; a multidirectional adjusting mechanism is arranged, and different orientation angles can be adjusted according to the use habit or sitting posture of a user; a length adjusting mechanism is arranged to adjust the distance between the waist pad and the backrest according to habit or sitting posture; one side of the waist and back support body, which is contacted with the human body, is fixed with the mounting table, and the waist and back support body can be adjusted and mounted according to people with different demands; simple structure and low cost, and can be quickly assembled and disassembled to assist the traditional backrest chair to realize the improvement of comfort.

Description

Lumbar support device

Technical Field

The utility model relates to the field of daily household, in particular to a seat auxiliary device, and specifically relates to a lumbar support device.

Background

The chair is originated from Wei jin period, and is named as a bed or a campstool, and is named as a chair with a backrest from Tang dynasty. Compared with the ergonomic chair, the traditional chair shape is used for making the atmosphere, but the backrest is formed by combining and splicing a plurality of strip-shaped or plate-shaped sectional materials due to the structural source, so that the backrest can not form support on the waist of a human body, and the phenomenon of ache and the like often occurs when people sit on the chair for a long time, thus being unfavorable for the health of the human body. In the prior art, the backrest and the human body are blocked in a way of placing and binding the sponge cushion, and the comfort level of the human body is increased by leaning on the flexible material, but because the cushion belongs to a fixed form, the waist and back are integrally designed, and a user cannot pertinently and individually adjust the supporting position and the angle of the supporting waist and back. In addition, the fixed lumbar support is designed according to ergonomics, but only one body type can be aimed at when the fixed lumbar support is designed, the targeted adjustment can not be carried out for users with different ages and young, the sitting postures of the users are positioned at the front and the back, the corresponding users can not be matched when the fixed lumbar support is used, such as making a guest and meeting, and the independent customization cost of the chair is high under the condition of matching the body shape of the user. A simple structure and a widely adaptable seat back structure are needed to assist the existing conventional back chairs.

Disclosure of Invention

The utility model provides a lumbar support device which aims at the defects in the prior art and comprises a lumbar support body and a support seat, wherein the lumbar support body is fixedly arranged on the support seat, the support seat comprises a mounting table, an adjusting unit and a positioning unit, the mounting table is connected with the adjusting unit, the adjusting unit is fixedly connected with the positioning unit, and the lumbar support device is fixed on a seat through the positioning unit.

Preferably, the bottom of the installation table is symmetrically and fixedly provided with a plurality of installation table supporting blocks, and the installation table is movably connected with the adjusting unit through the installation table supporting blocks.

Preferably, the adjusting unit comprises an adjusting frame, an adjusting frame connecting block is arranged at the top of the adjusting frame, a connecting hole is formed in the adjusting frame connecting block, the adjusting frame connecting block is rotationally connected between the supporting blocks of the mounting table, and the adjusting frame connecting block is tightly screwed and attached through a fastening mechanism.

Preferably, the bottom of the adjusting frame is symmetrically and fixedly provided with a plurality of adjusting frame supporting blocks, adjusting frame adjusting holes are correspondingly formed in the adjusting frame supporting blocks respectively, and the adjusting frame adjusting holes are through holes.

Preferably, the adjusting unit further comprises a telescopic rod and a telescopic cylinder, external threads are arranged at the bottom of the telescopic rod, the telescopic cylinder is hollow cylindrical, internal threads matched with the external threads of the telescopic rod are arranged in the telescopic cylinder, and the lower part of the telescopic rod is connected in a screwed mode to be arranged in the telescopic cylinder.

Preferably, the telescopic link top be provided with the telescopic link connecting block, the telescopic link connecting block be provided with the telescopic link connecting hole, the telescopic link connecting block insert between the alignment jig supporting shoe, the telescopic link connecting hole with both sides alignment jig adjusting hole coaxial rotation set up, screw up the laminating through fastening device.

Preferably, the bottom of the telescopic cylinder is fixedly arranged on the positioning unit, and a plurality of rib plates are arranged on the outer wall of the lower part of the telescopic cylinder.

Preferably, the positioning unit comprises a positioning seat and a positioning rear plate, wherein a plurality of positioning columns are arranged at the bottom of the positioning seat, and the positioning columns are provided with internal threads.

Preferably, the positioning back plate is provided with positioning holes, the positioning holes are respectively arranged corresponding to the positioning columns, the positioning holes are screwed and fixed in the positioning columns through positioning screws, the positioning holes are sleeved on the positioning screws, and a positioning space is formed between the positioning seat and the positioning back plate.

Preferably, the waist and back support body is columnar, one side of the waist and back support body is provided with a bulge, and the other side of the waist and back support body is provided with a mounting surface.

Compared with the prior art, the utility model has the beneficial effects that: a detachable positioning unit is arranged to fix the waist rest, support and protection of the waist of the hard chair are assisted, and the waist rest is conveniently detached and installed at a proper required position; a multidirectional adjusting mechanism is arranged, and different orientation angles can be adjusted according to the use habit or sitting posture of a user; a length adjusting mechanism is arranged to adjust the distance between the waist pad and the backrest according to habit or sitting posture; one side of the waist and back support body, which is contacted with the human body, is fixed with the mounting table, and the waist and back support body can be adjusted and mounted according to people with different demands; simple structure and low cost, and can be quickly assembled and disassembled to assist the traditional backrest chair to realize the improvement of comfort.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following discussion will discuss the embodiments or the drawings required in the description of the prior art, and it is obvious that the technical solutions described in connection with the drawings are only some embodiments of the present utility model, and that other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a lumbar support device of the present utility model.

Figure 2 is a schematic view of the lumbar support device of the present utility model in use.

Figure 3 is a schematic perspective view of the lumbar support device of the present utility model.

Figure 4 is a schematic view of the support base structure of the lumbar support device of the present utility model.

Figure 5 is a schematic cross-sectional view of the support base structure of the lumbar support device of the present utility model.

In the figure: 1-lumbar support body, 2-mount table, 21-mount table supporting block, 22-mount table adjusting hole, 3-adjusting frame, 31-adjusting frame supporting block, 32-adjusting frame adjusting hole, 4-telescopic rod, 41-telescopic cylinder, 42-rib plate, 5-locating seat, 51-locating column, 52-locating back plate and 53-locating hole.

Detailed Description

The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person of ordinary skill in the art without the need for inventive faculty, are within the scope of the utility model, based on the embodiments described in the present utility model.

An embodiment of the present utility model provides a lumbar support device, as shown in fig. 1 to 5, comprising a lumbar support body 1 and a support base. The waist and back support body 1 is columnar with a bulge on one side and is used for supporting and buffering against the waist and back of a user, and the bulge side of the waist and back support body 1 can be attached with soft cushions or massage cushions with different buffering effects according to requirements.

The supporting seat comprises a mounting table 2, an adjusting unit and a positioning seat 5. The top of the mounting table 2 is provided with a mounting plane, one side of the waist and back support body 1 is provided with a flat mounting surface, and the waist and back support body 1 is fixed on the mounting plane through the flat surface at the rear part. Two mounting table supporting blocks 21 are symmetrically and fixedly arranged at the bottom of the mounting table 2, the section of each mounting table supporting block 21 is of an inverted triangle shape, mounting table adjusting holes 22 are correspondingly formed in the two mounting table supporting blocks 21 respectively, and the mounting table adjusting holes 22 are through holes.

The adjusting unit comprises an adjusting frame 3, an adjusting frame connecting block is arranged at the top of the adjusting frame 3, the cross section of the adjusting frame connecting block is triangular, connecting holes are formed in the adjusting frame connecting block, and the connecting holes are through holes. In the connection state, the adjusting frame connecting block is inserted between the two mounting table supporting blocks 21, the connecting holes of the adjusting frame connecting block and the two supporting holes of the adjusting frame 3 on two sides are coaxially rotated, and the adjusting frame connecting block is screwed and attached through a bolt and nut mechanism so as to fix the relative rotation angle.

Two adjusting frame supporting blocks 31 are symmetrically and fixedly arranged at the bottom of the adjusting frame 3, and the section of each adjusting frame supporting block 31 is in an inverted triangle shape. The two adjusting frame supporting blocks 31 are respectively and correspondingly provided with adjusting frame adjusting holes 32. The adjusting hole 32 is a through hole.

The adjusting unit also comprises a telescopic rod 4 and a telescopic cylinder 41, wherein the telescopic rod 4 is cylindrical, a telescopic rod 4 connecting block is arranged at the top of the telescopic rod 4, the cross section of the telescopic rod 4 connecting block is triangular, and the telescopic rod 4 connecting block is provided with a telescopic rod 4 connecting hole. The connecting hole of the telescopic rod 4 is a through hole. Under the connected state, telescopic link 4 connecting block insert two between the adjustment frame supporting shoe 31, telescopic link 4 connecting hole and both sides adjustment frame adjustment hole 32 coaxial rotation set up, screw up the laminating through bolt and nut mechanism to fixed relative turned angle.

The bottom of the telescopic rod 4 is provided with external threads. The telescopic cylinder 41 is hollow cylindrical, and an internal thread matched with the external thread of the telescopic rod 4 is arranged in the telescopic cylinder 41. The lower part of the telescopic rod 4 is arranged in the telescopic cylinder 41 in a screwing way. Four triangular rib plates 42 are arranged on the outer wall of the lower portion of the telescopic cylinder 41 and used for reinforcing the outer wall strength of the telescopic cylinder 41. The bottom of the rib plate 42 is fixed on the positioning seat 5.

The positioning seat 5 is perpendicular to the bottom of the telescopic cylinder 41, two groups of symmetrical positioning columns 51 are arranged at the bottom of the positioning seat 5, and the positioning columns 51 are provided with internal threads. The bottom of the positioning seat 5 is sleeved with a positioning rear plate 52. The positioning back plate 52 is provided with positioning holes 53, and the positioning holes 53 are respectively arranged corresponding to the positioning columns 51. The positioning bolts are screwed and fixed in the positioning columns 51, the positioning holes 53 are sleeved on the positioning bolts, and a positioning space is formed between the positioning seat 5 and the positioning rear plate 52.

In the use state, the positioning seat 5 is correspondingly attached to the backrest of the chair on the backrest of the chair, the positioning back plate 52 is buckled on the positioning seat 5, the positioning seat 5 and the positioning seat 5 are buckled through screwing, and at the moment, the whole supporting device is clamped and fixed on the backrest. The distance between the waist and back support body 1 and the backrest is adjusted by screwing the telescopic rod 4. The direction of the waist and back support body 1 is adjusted by unscrewing the bolt and nut mechanism to adjust the direction of the mounting table 2 and the adjusting frame 3.

The support device can be removed by unscrewing the screws and unloading the positioning back plate 52.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the utility model is indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Lumbar support device, its characterized in that: the waist support device comprises a waist back support body (1) and a support seat, wherein the waist back support body (1) is fixedly arranged on the support seat, the support seat comprises an installation table (2), an adjusting unit and a positioning unit, the installation table (2) is connected with the adjusting unit, the adjusting unit is fixedly connected with the positioning unit, and the waist support device is fixed on a seat through the positioning unit.

2. The lumbar support device of claim 1, wherein: a plurality of mounting table supporting blocks (21) are symmetrically and fixedly arranged at the bottom of the mounting table (2), and the mounting table (2) is movably connected with the adjusting unit through the mounting table supporting blocks (21).

3. The lumbar support device of claim 1, wherein: the adjusting unit comprises an adjusting frame (3), an adjusting frame connecting block is arranged at the top of the adjusting frame (3), a connecting hole is formed in the adjusting frame connecting block, the adjusting frame connecting block is rotatably connected between the mounting table supporting blocks (21), and the adjusting frame connecting block is tightly screwed and attached through a fastening mechanism.

4. A lumbar support device according to claim 3, wherein: the bottom of the adjusting frame (3) is symmetrically and fixedly provided with a plurality of adjusting frame supporting blocks (31), adjusting frame adjusting holes (32) are correspondingly formed in the adjusting frame supporting blocks (31) respectively, and the adjusting frame adjusting holes (32) are through holes.

5. The lumbar support device of claim 1, wherein: the adjusting unit also comprises a telescopic rod (4) and a telescopic cylinder (41), wherein external threads are arranged at the bottom of the telescopic rod (4), the telescopic cylinder (41) is hollow cylindrical, internal threads matched with the external threads of the telescopic rod (4) are arranged in the telescopic cylinder (41), and the lower part of the telescopic rod (4) is connected with the telescopic cylinder (41) in a rotating mode.

6. The lumbar support device of claim 5, wherein: the telescopic rod (4) top be provided with telescopic rod (4) connecting block, telescopic rod (4) connecting block be provided with telescopic rod (4) connecting hole, telescopic rod (4) connecting block insert between adjustment frame supporting shoe (31), telescopic rod (4) connecting hole and both sides adjustment frame adjustment hole (32) coaxial rotation set up, screw up the laminating through fastening mechanism.

7. The lumbar support device of claim 5, wherein: the bottom of the telescopic cylinder (41) is fixedly arranged on the positioning unit, and a plurality of rib plates (42) are arranged on the outer wall of the lower part of the telescopic cylinder (41).

8. The lumbar support device of claim 1, wherein: the positioning unit comprises a positioning seat (5) and a positioning rear plate (52), a plurality of positioning columns (51) are arranged at the bottom of the positioning seat (5), and the positioning columns (51) are provided with internal threads.

9. The lumbar support device of claim 8, wherein: the locating back plate (52) is provided with locating holes (53), the locating holes (53) are respectively arranged corresponding to the locating columns (51), the locating holes (53) are screwed and fixed in the locating columns (51) through locating screws, the locating holes (53) are sleeved on the locating screws, and locating spaces are formed between the locating seats (5) and the locating back plate (52).

10. The lumbar support device of claim 1, wherein: the waist and back support body (1) is columnar, one side of the waist and back support body (1) is provided with a bulge, and the other side of the waist and back support body is provided with a mounting surface.