CN222565419U - Staff chair with adjustable seat depth - Google Patents

Abstract

The utility model relates to the technical field of staff chairs, and discloses a staff chair with an adjustable seat depth, which solves the problem that the existing staff chair lacks a lumbar support structure in a state that a person sits straight, and after the staff keeps the same sitting posture for a long time, the lumbar muscles are in tension for a long time. The utility model provides a seat degree of depth adjustable staff's chair, which comprises a base, first electric putter and mounting panel, the mounting panel top is provided with the cushion subassembly, mounting panel external surface fixedly connected with first support frame, first support frame top fixedly connected with backplate, the inboard swing joint of backplate has the back cushion, the back cushion inboard is provided with the cushion subassembly, when people leaned back, contact with the cushion, first spring is in compressed state this moment, under the effect of first spring, the cushion is laminating people's waist at any time, good waist support is provided, help maintaining the natural curve of lumbar vertebra, reduce the waist discomfort and the tired that the long-time sitting arouses.

Description

Staff chair with adjustable seat depth

Technical Field

The utility model relates to the technical field of staff chairs, in particular to a staff chair with an adjustable seat depth.

Background

Staff chairs are a type of chair specifically designed for use in offices, also known as office chairs or office chairs. Such chairs are designed to provide comfort and support when sitting for extended periods of time to meet the comfort and ergonomic requirements required to perform work in an office environment.

However, the existing staff chairs lack of lumbar support structures in the state of sitting straight, and after staff keeps the same sitting posture and works for a long time, lumbar muscles are in tension for a long time, lumbar muscle strain is easy to cause, and symptoms such as lumbago and stiffness are presented.

Disclosure of utility model

The utility model aims to provide a staff chair with an adjustable seat depth, which adopts the device to work, so as to solve the problem that the existing staff chair lacks a lumbar support structure when people sit straight, and the staff can stay in tension state for a long time after keeping the same sitting posture for working for a long time.

The staff chair with the adjustable seat depth comprises a base, a first electric push rod fixedly connected to the top end of the base, and a mounting plate fixedly connected to the telescopic end of the first electric push rod, wherein a cushion component for adjusting the seat depth is arranged at the top end of the mounting plate;

The back cushion assembly comprises a fixing plate movably connected to the inner side of the back cushion, a fixing block fixedly connected to one end of the fixing plate, an inserting block slidably connected to the inner side of the fixing block, a locking bolt in threaded connection between the inserting block and the back plate, a first spring fixedly connected to the other end of the fixing block, and a back cushion fixedly connected to one end of the first spring, wherein the fixing block movably penetrates through the back plate and the back cushion.

Further, the cushion subassembly includes fixed connection at the cushion mount pad on mounting panel top, sets up the recess at cushion mount pad upper surface, and fixed connection is at the second electric putter of recess inner wall bottom, and fixed connection is at the cushion body of the flexible end of second electric putter to and fixed connection is at the second spring between cushion body and the recess inner wall bottom.

Further, the mounting panel surface fixedly connected with second support frame, second support frame top fixedly connected with handrail.

Further, first electric putter surface swing joint has the supporting shoe, and supporting shoe surface fixedly connected with third support frame, third support frame bottom fixedly connected with foot strap.

Further, the base surface fixedly connected with fourth support frame, fourth support frame bottom swing joint has the universal wheel.

Further, the back cushion is a member made of memory cotton.

Compared with the prior art, the utility model has the following beneficial effects:

The staff chair with the adjustable seat surface depth provided by the utility model is contacted with the back cushion when a person leans backwards, the first spring is in a compressed state, the back cushion is attached to the waist of the person at any time under the action of the first spring, good lumbar support is provided, the natural curve of lumbar is maintained, the discomfort and fatigue of the waist caused by sitting for a long time are reduced, and the problem that the existing staff chair lacks a lumbar support structure in a sitting state of the person, and the lumbar muscle is in a tension state for a long time after the staff keeps the same sitting state for a long time is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic view of a second support frame and a fourth support frame according to the present utility model;

FIG. 4 is a schematic view of a cushion assembly according to the present utility model;

FIG. 5 is a schematic view of a cushion assembly according to the second embodiment of the present utility model;

fig. 6 is a schematic view of the cushion assembly of the present utility model.

1, A base, 11, a fourth support frame, 111, universal wheels, 2, a first electric push rod, 3, a mounting plate, 4, a second support frame, 41, an armrest, 5, a first support frame, 51, a backboard, 511, a back pad, 6, a back pad assembly, 61, a fixing plate, 62, a fixing block, 63, an inserting block, 64, a locking bolt, 65, a first spring, 66, a back pad, 7, a support block, 71, a third support frame, 711, a foot strap, 8, a cushion assembly, 81, a mounting seat, 82, a groove, 83, a second electric push rod, 84, a cushion body, 85 and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1-2, an employee chair with adjustable depth of seat surface comprises a base 1, a first electric push rod 2 fixedly connected to the top end of the base 1, and a mounting plate 3 fixedly connected to the telescopic end of the first electric push rod 2, wherein a cushion component 8 for adjusting the depth of the seat surface is arranged on the top end of the mounting plate 3, a first support frame 5 is fixedly connected to the outer surface of the mounting plate 3, a backboard 51 is fixedly connected to the top end of the first support frame 5, a back cushion 511 is movably connected to the inner side of the backboard 51, and a cushion component 6 for improving the comfort of the back is arranged on the inner side of the back cushion 511.

The utility model is further described below with reference to examples.

Example 1:

Referring to fig. 1-6, the cushion assembly 6 includes a fixing plate 61 movably connected to the inner side of the back pad 511, a fixing block 62 fixedly connected to one end of the fixing plate 61, an insert block 63 slidably connected to the inner side of the fixing block 62, a locking bolt 64 screwed between the insert block 63 and the back pad 51, a first spring 65 fixedly connected to the other end of the fixing block 62, and a cushion 66 fixedly connected to one end of the first spring 65, wherein the fixing block 62 movably penetrates the back pad 51 and the back pad 511, the fixing block 62 penetrates the back pad 51 and the back pad 511 in an initial state, the insert block 63 is slidably connected to the inner side of the fixing block 62, and the insert block 63 is screwed to the back pad 51 through the locking bolt 64, so that the fixing plate 61 and the cushion 66 are fixed to the inner side of the back pad 511 under the action of the insert block 63, when a person leans backward, the cushion 66 contacts with the cushion 66, the first spring 65 is in a compressed state, the cushion 66 is attached to the waist of the person at any time, a good lumbar support is provided, a natural curve is helpful to be maintained, the waist discomfort caused by long-time is reduced, the waist discomfort and the cushion 62 needs to be removed, the insert block 63 needs to be separated from the back pad 51, and the back pad 66 needs to be separated from the fixing block 62, and the back pad 51 is removed.

The cushion assembly 8 includes the cushion mount pad 81 of fixed connection on mounting panel 3 top, set up the recess 82 at cushion mount pad 81 upper surface, the second electric putter 83 of fixed connection in recess 82 inner wall bottom, the cushion body 84 of fixed connection at the flexible end of second electric putter 83, and the second spring 85 of fixed connection between cushion body 84 and recess 82 inner wall bottom, the flexible cushion body 84 that drives of second electric putter 83 reciprocates, second spring 85 reciprocates along with cushion body 84 and stretches out and draws back this moment, the cushion body 84 reciprocates the degree of depth of the adjustment seat face of being convenient for, the user finds the most comfortable position of sitting according to own height, size and preference.

The mounting panel 3 surface fixedly connected with second support frame 4, second support frame 4 top fixedly connected with handrail 41, handrail 41 are convenient for provide extra support, help the user to keep balanced and stable when sitting down or rising, reduce the risk of unexpected falling down, and help promoting user's position of sitting comfort level and use experience.

The outer surface swing joint of first electric putter 2 has supporting shoe 7, and supporting shoe 7 surface fixedly connected with third support frame 71, and third support frame 71 bottom fixedly connected with foot strap 711, foot strap 711 are convenient for support both legs, let both legs obtain relaxing, reduce the uncomfortable sense of shank that the long-time sitting caused.

The outer surface fixedly connected with fourth support frame 11 of base 1, fourth support frame 11 bottom swing joint has universal wheel 111, and universal wheel 111 is convenient for let the chair freely slide subaerial, helps the user to easily adjust position of sitting or position, conveniently removes the position of needs, improves work efficiency.

The cushion 66 is a member made of a memory cotton material that has memory properties to provide personalized support according to the body shape and posture of the person, and generally has a soft and comfortable feel to provide durable comfort support for the person.

During the use, start first electric putter 2, first electric putter 2 flexible drive mounting panel 3 reciprocates, be convenient for adjust the height of whole chair, under the initial condition, fixed block 62 runs through backplate 51 and back cushion 511, insert 63 sliding connection is inside fixed block 62, and insert 63 passes through locking bolt 64 and backplate 51 threaded connection, consequently, fix fixed plate 61 and cushion 66 in the back cushion 511 inboard under insert 63 effect, when the people leaned on backward, contact with cushion 66, first spring 65 is in compression state this moment, under the effect of first spring 65, cushion 66 laminating people's waist at any time, provide good waist support, help to maintain the natural curve of lumbar vertebra, reduce long-time sitting and arouse waist discomfort and tired, when need take down cushion 66, shift out locking bolt 64, separate insert 63 and fixed block 62, be convenient for separate fixed block 62 and backplate 51 this moment, so as to cushion 66, start second electric putter 83 flexible drive cushion body 84 reciprocates, second spring 85 moves along with cushion body 84 reciprocates, the cushion body is down, the cushion body is moved down, the position is convenient for the position is adjusted to the comfort of sitting position is improved, help to the user's is easy to take down the sitting position is convenient for sitting position is easy to take down, the sitting position is easy to the user's is easy to take down, the sitting position is easy to the user is comfortable and is easy to get easy to sit down, the position is easy to get comfortable and is easy to get down.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The staff chair with the adjustable seat depth comprises a base (1), a first electric push rod (2) fixedly connected to the top end of the base (1), and a mounting plate (3) fixedly connected to the telescopic end of the first electric push rod (2), and is characterized in that a cushion component (8) for adjusting the seat depth is arranged on the top end of the mounting plate (3), a first support frame (5) is fixedly connected to the outer surface of the mounting plate (3), a backboard (51) is fixedly connected to the top end of the first support frame (5), a back cushion (511) is movably connected to the inner side of the backboard (51), and a back cushion component (6) for improving the comfort of the back is arranged on the inner side of the back cushion (511);

The back cushion assembly (6) comprises a fixing plate (61) movably connected to the inner side of the back cushion (511), a fixing block (62) fixedly connected to one end of the fixing plate (61), an inserting block (63) slidably connected to the inside of the fixing block (62), a locking bolt (64) in threaded connection between the inserting block (63) and the back plate (51), a first spring (65) fixedly connected to the other end of the fixing block (62), and a back cushion (66) fixedly connected to one end of the first spring (65), wherein the fixing block (62) movably penetrates through the back plate (51) and the back cushion (511).

2. The staff chair with the adjustable seat depth of claim 1, wherein the seat cushion assembly (8) comprises a seat cushion installation seat (81) fixedly connected to the top end of the installation plate (3), a groove (82) formed in the upper surface of the seat cushion installation seat (81), a second electric push rod (83) fixedly connected to the bottom end of the inner wall of the groove (82), a seat cushion body (84) fixedly connected to the telescopic end of the second electric push rod (83), and a second spring (85) fixedly connected between the seat cushion body (84) and the bottom end of the inner wall of the groove (82).

3. The staff chair with the adjustable seat depth according to claim 1, wherein the outer surface of the mounting plate (3) is fixedly connected with a second supporting frame (4), and the top end of the second supporting frame (4) is fixedly connected with a handrail (41).

4. The staff chair with the adjustable seat depth of claim 1 is characterized in that a supporting block (7) is movably connected to the outer surface of the first electric push rod (2), a third supporting frame (71) is fixedly connected to the outer surface of the supporting block (7), and a foot lapping plate (711) is fixedly connected to the bottom end of the third supporting frame (71).

5. The staff chair with the adjustable seat depth according to claim 1, wherein the outer surface of the base (1) is fixedly connected with a fourth supporting frame (11), and the bottom end of the fourth supporting frame (11) is movably connected with a universal wheel (111).

6. An employee chair with adjustable seat depth according to claim 1, wherein the back cushion (66) is a member made of memory cotton.