CN209377135U - A kind of movable backrest office chair - Google Patents

Abstract

The utility model discloses a kind of movable backrest office chairs, including cushion of handling official business, first fixed block, jarring machine, second fixed block and inserted block, the first supporting leg is provided on the downside of the office cushion, side before and after the left end of office cushion is arranged in first fixed block, the fixture block is through the left end of office cushion, the jarring machine is arranged in backrest, the motion bar upper and lower ends, which run through, cross bar, reset spring is provided on the right side of the motion bar, the motion bar is connected by reset spring with massage head, the left side of backrest is arranged in second fixed block, the inserted block runs through the second fixed block and rotary shaft.The movable backrest office chair, jarring machine shake motion bar, and motion bar is slided on cross bar, motion bar drives massage head to be shaken by reset spring simultaneously, convenient for massaging people's back, avoids the time of having a rest long, feel uncomfortable.

Description

A kind of movable backrest office chair

Technical field

The utility model relates to novel office table separation, specially a kind of movable backrest office chair.

Background technique

With the development of the times, internet is universal, people be sitting on office chair more and more times against computer into Row work, when being seated, upper part of the body weight is pressed on lumbar vertebrae and psoas muscle people, is easy to be bent lumbar vertebra anterior arch, noon people When sleep, be mostly also to sleep on desk on all fours, most of office chair is not easy to adjustment backrest angle at present, Inconvenient people rest, and people lean against on chair, and the time has grown body just and will appear various uncomfortable feelings.

Utility model content

The purpose of this utility model is to provide a kind of movable backrest office chairs, to solve to propose in above-mentioned background technique Current most of office chair be not easy to adjustment backrest angle, it has not been convenient to people rest, and people lean against on chair, The problem of time has grown body just and will appear various uncomfortable feelings.

To achieve the above object, the utility model provides the following technical solutions: a kind of movable backrest office chair, including does Public cushion, the first fixed block, jarring machine, the second fixed block and inserted block are provided with first on the downside of the office cushion Support leg, and swingle is provided on the inside of the left end for cushion of handling official business, while swingle runs through the lower end of backrest, described first is fixed Side before and after the left end of office cushion is arranged in block, and fixture block is provided on the first fixed block, and the fixture block is through office chair The left end of pad, and one end of fixture block is arranged in card slot, while card slot is provided with side before and after the lower end of backrest, the jarring machine is set It sets in backrest, and is provided with motion bar on the right side of jarring machine, the motion bar upper and lower ends, which run through, cross bar, and cross bar Both ends are connected with backrest, reset spring are provided on the right side of the motion bar, and reset spring is arranged in backrest, described Motion bar is connected by reset spring with massage head, and massage head runs through the right side of backrest, and the second fixed block setting exists The left side of backrest, and rotary shaft is provided on the inside of the second fixed block, while rotary shaft runs through the upper end of the second supporting leg, it is described Inserted block runs through the second fixed block and rotary shaft.

Preferably, the equal length of the height of first supporting leg and the second supporting leg, and the first supporting leg and second Supporting leg about office cushion central axes be symmetrical arranged there are two.

Preferably, the backrest constitutes rotational structure by swingle and office cushion, and cushion of handling official business is in " recessed " Character form structure.

Preferably, the fixture block and card slot are to be connected together, and fixture block and card slot are provided with eight, while fixture block is the On one fixed block and card slot is being in angularly to be distributed by back.

Preferably, the motion bar is stretching structure by reset spring and massage head, and massage head by back in etc. Spacing distribution, while motion bar and cross bar constitute slide construction.

Preferably, the inserted block is to be connected together, and inserted block is in " ten " character form structure with rotary shaft.

Compared with prior art, the utility model has the beneficial effects that the movable backrest office chair,

(1) backrest is rotated, rotates backrest by swingle and office cushion, until backrest is adjusted to suitable Angle is then inserted into the first fixed block, and the side for making fixture block pass through office cushion enters card slot, and fixture block is engaged with card slot Connection, improves the stability of backrest, backrest is facilitated to adjust the angle；

(2) jarring machine shakes motion bar, and motion bar is slided on cross bar, while motion bar is by resetting bullet Spring drives massage head to be shaken, and convenient for massaging people's back, avoids the time of having a rest long, feels uncomfortable；

(3) backrest is rotated to level, rotates the second supporting leg, the second supporting leg by rotary shaft and the second fixed block into Row rotation, is mutually perpendicular to the second supporting leg with backrest, then inserted block is inserted into rotary shaft, and the second supporting leg is fixed, It avoids the second supporting leg from rotating, improves the stability of the second supporting leg, people is facilitated to rest.

Detailed description of the invention

Fig. 1 is that the utility model faces the schematic diagram of the section structure；

Fig. 2 is the utility model side elevational cross-section structural schematic diagram；

Fig. 3 is enlarged structure schematic diagram at A in the utility model Fig. 2；

Fig. 4 is enlarged structure schematic diagram at B in the utility model Fig. 2.

In figure: 1, cushion of handling official business, the 2, first supporting leg, 3, swingle, 4, backrest, the 5, first fixed block, 6, fixture block, 7, Card slot, 8, jarring machine, 9, motion bar, 10, cross bar, 11, reset spring, 12, massage head, the 13, second fixed block, 14, rotary shaft, 15, the second supporting leg, 16, inserted block.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

If occurring electric elements etc. in this article, it is electrically connected with extraneous main controller and 220V alternating current, and master control Device can play the conventionally known equipment of control for computer etc., if while occurring motor, water pump, dehvery pump and jarring machine in text Deng then it is existing known device.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of movable backrest office chair, including office Cushion 1, the first supporting leg 2, swingle 3, backrest 4, the first fixed block 5, fixture block 6, card slot 7, jarring machine 8, motion bar 9, cross Bar 10, reset spring 11, massage head 12, the second fixed block 13, rotary shaft 14, the second supporting leg 15 and inserted block 16, chair of handling official business The downside of pad 1 is provided with the first supporting leg 2, and is provided with swingle 3 on the inside of the left end for cushion 1 of handling official business, while swingle 3 passes through The lower end of backrest 4 is worn, side before and after the left end of office cushion 1 is arranged in the first fixed block 5, and is provided on the first fixed block 5 Fixture block 6, fixture block 6 is through the left end of office cushion 1, and one end of fixture block 6 is arranged in card slot 7, while card slot 7 is provided with and leans on Side before and after the lower end of back 4, jarring machine 8 is arranged in backrest 4, and the right side of jarring machine 8 is provided with motion bar 9, about 9 motion bar Both ends, which are run through, cross bar 10, and the both ends of cross bar 10 are connected with backrest 4, and the right side of motion bar 9 is provided with reset spring 11, and reset spring 11 is arranged in backrest 4, motion bar 9 is connected by reset spring 11 with massage head 12, and massage head 12 Through the right side of backrest 4, the left side of backrest 4 is arranged in the second fixed block 13, and the inside of the second fixed block 13 is provided with rotation Axis 14, while rotary shaft 14 runs through the upper end of the second supporting leg 15, inserted block 16 runs through the second fixed block 13 and rotary shaft 14.

The height of first supporting leg 2 of this example and the equal length of the second supporting leg 15, and the first supporting leg 2 and second Support leg 15 about office cushion 1 central axes be symmetrical arranged there are two, the second supporting leg 15 pass through rotary shaft 14 and second Fixed block 13 is rotated, until the second supporting leg 15 is mutually perpendicular to backrest 4, convenient for being supported to backrest 4.

Backrest 4 constitutes rotational structure by swingle 3 and office cushion 1, and cushion 1 of handling official business is in concave knot Structure, backrest 4 are rotated by swingle 3 and office cushion 1, convenient for changing the angle of backrest 4 and cushion 1 of handling official business.

Fixture block 6 is to be connected together, and fixture block 6 and card slot 7 are provided with eight, while fixture block 6 is fixed first with card slot 7 On block 5 and card slot 7 is in angularly to be distributed on backrest 4, is inserted into the first fixed block 5, engages fixture block 6 with card slot 7, mention The high stability of backrest 4.

Motion bar 9 is stretching structure by reset spring 11 and massage head 12, and massage head 12 on backrest 4 equally Distribution, while motion bar 9 and cross bar 10 constitute slide construction, motion bar 9 drives massage head 12 to be shaken by reset spring 11 It is dynamic, convenient for massaging people's back.

Inserted block 16 is to be connected together, and inserted block 16 is in " ten " character form structure, is inserted into inserted block 16, makes inserted block 16 with rotary shaft 14 Engaged with rotary shaft 14, improves the stability of the second supporting leg 15.

Working principle: it when using the movable backrest office chair, when people's longevity of service needs to carry out rest, takes Inserted block 16 out are rotated further by the second supporting leg 15, and the second supporting leg 15 is rotated by rotary shaft 14 with the second fixed block 13, directly It is mutually perpendicular to the second supporting leg 15 with backrest 4, is inserted into inserted block 16, engages inserted block 16 with rotary shaft 14, improve Then the stability of second supporting leg 15 further takes out the first fixed block 5, make backrest 4 by swingle 3 and office cushion 1 into Row rotation, until backrest 4 is parallel to each other with office cushion 1, the second supporting leg 15 is supported backrest 4, improves backrest 4 Stability, be inserted into the first fixed block 5, engage fixture block 6 with card slot 7, backrest 4 is fixed, powers on, opens Dynamic jarring machine 8, jarring machine 8 drive motion bar 9 to be shaken, and motion bar 9 is moved on cross bar 10, while motion bar 9 is logical Crossing reset spring 11 drives massage head 12 to be shaken, and massages massage head 12 to people's back, improves relaxing for people Suitable sense, has used and has closed jarring machine 8, and the content being not described in detail in this specification belongs to known in professional and technical personnel in the field The prior art.

Term " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only for ease of description The utility model simplifies description, rather than indicates or imply signified device or element and must have a particular orientation, be spy Fixed orientation construction and operation, thus should not be understood as the limitation that content is protected to the utility model.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of movable backrest office chair, including office cushion (1), the first fixed block (5), jarring machine (8), the second fixation Block (13) and inserted block (16), it is characterised in that: be provided with the first supporting leg (2), and handle official business on the downside of the office cushion (1) It is provided with swingle (3) on the inside of the left end of cushion (1), while swingle (3) runs through the lower end of backrest (4), described first is solid Determine block (5) setting side before and after the left end of office cushion (1), and is provided with fixture block (6), the card on the first fixed block (5) Block (6) is through the left end of office cushion (1), and one end setting of fixture block (6) is interior in card slot (7), while card slot (7) is provided with Side before and after the lower end of backrest (4), jarring machine (8) setting are provided with activity on the right side of jarring machine (8) in backrest (4) Bar (9), motion bar (9) upper and lower ends, which run through, to be had cross bar (10), and the both ends of cross bar (10) are connected with backrest (4) It connects, is provided with reset spring (11) on the right side of the motion bar (9), and reset spring (11) setting is interior in backrest (4), the work Lever (9) is connected by reset spring (11) with massage head (12), and massage head (12) runs through the right side of backrest (4), described Second fixed block (13) is arranged in the left side of backrest (4), and rotary shaft (14) are provided on the inside of the second fixed block (13), simultaneously Rotary shaft (14) runs through the upper end of the second supporting leg (15), and the inserted block (16) runs through the second fixed block (13) and rotary shaft (14).

2. a kind of movable backrest office chair according to claim 1, it is characterised in that: first supporting leg (2) The equal length of height and the second supporting leg (15), and the first supporting leg (2) and the second supporting leg (15) are about office chair There are two the central axes of pad (1) are symmetrical arranged.

3. a kind of movable backrest office chair according to claim 1, it is characterised in that: the backrest (4) passes through rotation Bar (3) and office cushion (1) constitute rotational structure, and handle official business cushion (1) in concave structure.

4. a kind of movable backrest office chair according to claim 1, it is characterised in that: the fixture block (6) and card slot (7) To be connected together, and fixture block (6) and card slot (7) are provided with eight, while fixture block (6) is on the first fixed block (5) and card slot It (7) is in angularly to be distributed on backrest (4).

5. a kind of movable backrest office chair according to claim 1, it is characterised in that: the motion bar (9) passes through multiple Position spring (11) and massage head (12) is stretching structure, and massage head (12) is equally distributed on backrest (4), while activity Bar (9) and cross bar (10) constitute slide construction.

6. a kind of movable backrest office chair according to claim 1, it is characterised in that: the inserted block (16) and rotary shaft (14) to be connected together, and inserted block (16) is in " ten " character form structure.