CN208988164U - A kind of office chair can messaging backs - Google Patents

Abstract

The utility model discloses a kind of office chair can messaging backs, including backrest, the back side of the backrest is fixedly connected with driving mechanism, the intracavitary of the backrest is fixedly installed with crawler type massage mechanism, the driving mechanism includes driving box, the driving box is fixedly connected on the back side of backrest, driving the intracavitary of box is fixedly installed with drive motor, the crawler type massage mechanism includes two bearing blocks one, two bearing blocks one are fixedly mounted on the front in backrest at the top of it, the opposite face of two bearing blocks one is rotatably connected to driving shaft, there are two bearing blocks two for front fixed installation in the backrest in the middle part of it, the opposite face of two bearing blocks two is rotatably connected to driven shaft.The office chair can messaging backs achieve the effect that sufficiently to massage by the cooperation of above-mentioned dependency structure, solve the problems, such as to propose in background technique, the effect used is more preferable.

Description

A kind of office chair can messaging backs

Technical field

The utility model relates to can messaging backs technical field, specially a kind of office chair can messaging backs.

Background technique

Office chair is indispensable office accommodation for the working people often to bend over one's desk working in office, existing The office chair of technology is generally made of chair leg frame, seat cushion, backrest, handrail, and office chair can be convenient to by being equipped in the lower part of chair leg frame Mobile idler wheel, attaching has the elevating lever that can make office chair height change between chair leg frame and seat cushion, in order to make to bend over one's desk working Office worker can sit, by comfortable, and seat cushion and backrest are made of epidermis, plate core, Sponge mostly, and plate core plays a supportive role, Epidermis is coated on plate core completely, and Sponge is sandwiched between epidermis and plate core, and seat cushion and backrest are in one for human body seating Face, Sponge are thicker.Although this kind of office chair has certain comfort level, for often in the upper of office when sitting, leaning on For race, class, this prolonged sitting posture, it is easy to generate fatigue, influence the health of office clan；On the other hand also make It obtains office efficiency to substantially reduce, influences the process of office work；In order to solve fatigue phenomenon brought by this long-time sitting posture, There have been massage armchairs, such as Chinese patent CN2645523 to disclose a kind of electric office chair for massage later, it includes chair leg Frame, seat cushion, backrest, handrail, chair leg frame lower part, which is equipped with, can be convenient to the mobile idler wheel of office chair, attaching between chair leg frame and seat cushion Kneading can be installed with by back with human waist and back opposite position to the lifting device that be adjusted of office chair height by having Massage machine is installed with vibration masseur, kneading massager when with human body sitting posture in the seat cushion of leg opposite position It is driven with vibration masseur by a circuit device, the circuit device is in backrest or seat cushion, and circuit device is by that can fill Electric cell powers include that be equipped with can be to the charging circuit that rechargeable battery charges in circuit device.But since this is done Public chair well can not sufficiently massage the back of user, and the effect used is bad.

Utility model content

The purpose of this utility model is to provide a kind of office chair can messaging backs, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of office chair can messaging backs, including Backrest, the back side of the backrest are fixedly connected with driving mechanism, and the intracavitary of the backrest is fixedly installed with crawler type massage mechanism.

The driving mechanism includes driving box, and the driving box is fixedly connected on the back side of backrest, drives the intracavitary solid of box Dingan County is equipped with drive motor.

The crawler type massage mechanism includes two bearing blocks one, and two bearing blocks one are fixedly mounted on close in backrest Front at the top of it, the opposite face of two bearing blocks one are rotatably connected to driving shaft, the front in the backrest in the middle part of it Be fixedly mounted there are two bearing block two, the opposite face of two bearing blocks two is rotatably connected to driven shaft, the driving shaft with it is driven The outer surface of axis is sequentially connected with conveyer belt, and the outer surface of the conveyer belt is fixedly connected with massage bumps, the driving shaft The upper outer surface close to its both ends is solid to be sequentially connected with the both ends for turning drive motor output shaft, close to its bottom in the backrest Front is fixedly mounted there are two bearing block three, and the opposite face of two bearing blocks three is rotatably connected to fixing axle, the fixing axle Middle part is fixedly connected with fast pulley, and the two sides of the fast pulley are fixedly connected to fixed plate, and the opposite face of two fixed plates turns It is dynamic to be connected with massage bar, it leans on the outer surface on the outer surface and driven shaft of two close end close to its both ends to be driven in the fixing axle and connects It connects, the front of the backrest is respectively arranged with the soft band of the first massage and the second soft band of massage from top to bottom.

Preferably, the massage bumps are spherical in semicircle.

Preferably, the quantity of the massage bumps is no less than ten, each massage bumps along the outer surface of conveyer belt according to Minor tick arrangement.

Preferably, the quantity of the massage bar is three, and three massage bars are to fix the center of circle of wheel side circle as center ring Shape array.

Preferably, the two sides of the backrest are respectively arranged with the first restraining and the second restraining from top to bottom.

Compared with prior art, the utility model has the advantage that as follows:

1, the utility model passes through drive motor, bearing block one, driving shaft, bearing block two, driven shaft, conveyer belt and massage The cooperation of convex block drives driving shaft rotation, due to the transmission effect of driving shaft and driven shaft, makes when operating drive motor Conveyer belt drives massage bumps to move back and forth, and action process is mobile shaped like crawler belt and then fills to the back of user Divide massage, improves the effect of massage.

2, the utility model passes through the cooperation of bearing block three, fixing axle, fast pulley, fixed plate and massage bar, makes driven shaft Fixing axle rotation is driven while rotation, and then massage bar is made to move in a circle around fixing axle, simultaneously because user gives Pressure effect, massage bar itself also moves in a circle around rotating fulcrum, achievees the effect that massage buttocks, simultaneously because first The cooperation for massaging soft band, the second soft band of massage, keeps the effect of massage more obvious, by the cooperation of above-mentioned dependency structure, reaches The effect sufficiently massaged solves the problems, such as to propose in background technique, and the effect used is more preferable.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that the utility model leans on posterior view；

Fig. 2 is the structural schematic diagram of the partial sectional view of the utility model backrest front view；

Fig. 3 is structural schematic diagram of the utility model by the partial sectional view of posterior view；

Fig. 4 is the structural schematic diagram that the utility model drives box top view；

Fig. 5 is that the utility model first massages soft band and the second soft structural schematic diagram with front view of massage.

In figure: 1- backrest, 2- driving mechanism, 3- crawler type massage mechanism, 4- drive box, 5- drive motor, 6- bearing block One, 7- driving shaft, 8- bearing block two, 9- driven shaft, 10- conveyer belt, 11- massage bumps, 12- bearing block three, 13- fixing axle, 14- fast pulley, 15- fixed plate, 16- massage bar, 17- first massage soft band, 18- second and massage soft band.

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.

Please refer to Fig. 1 and Fig. 2, the utility model provides a kind of technical solution: a kind of office chair can messaging backs, including Backrest 1, the back side of backrest 1 are fixedly connected with driving mechanism 2, and the intracavitary of backrest 1 is fixedly installed with crawler type massage mechanism 3.

3 and Fig. 4 are please referred to, driving mechanism 2 includes driving box 4, and driving box 4 is fixedly connected on the back side of backrest 1, drives box 4 intracavitary is fixedly installed with drive motor 5, and the motor model that drive motor 5 uses is is YDS slowspeed machine, by external power supply It is powered.

2, Fig. 3 and Fig. 5 is please referred to, crawler type massage mechanism 3 includes two bearing blocks 1, and two bearing blocks 1 are fixed Front at the top of it is mounted in backrest 1, and the opposite face of two bearing blocks 1 is rotatably connected to driving shaft 7, in backrest 1 Front in the middle part of it is fixedly mounted there are two bearing block 28, and the opposite face of two bearing blocks 28 is rotatably connected to driven shaft 9, driving shaft 7 and the outer surface of driven shaft 9 are sequentially connected with conveyer belt 10, and the outer surface of conveyer belt 10 is fixedly connected with massage Convex block 11, massage bumps 11 are spherical in semicircle, and can preferably massage back prevents massage bumps 11 from causing back containing corner angle Damage, the quantity of massage bumps 11 are no less than ten, and each massage bumps 11 are along the outer surface of the conveyer belt 10 successively row of interval Column, the cooperation of multiple massage bumps 11 can be improved the effect of massage, drive admittedly with turn on driving shaft 7 close to the outer surface at its both ends The both ends of dynamic 5 output shaft of motor are sequentially connected, and the front in backrest 1 close to its bottom is fixedly mounted there are two bearing block 3 12, The opposite face of two bearing blocks 3 12 is rotatably connected to fixing axle 13, and the middle part of fixing axle 13 is fixedly connected with fast pulley 14, Gu The two sides of fixed wheel 14 are fixedly connected to fixed plate 15, and the opposite face of two fixed plates 15 is rotatably connected to massage bar 16, massage The quantity of stick 16 is three, and three massage bars 16 improve massage effect using the center of circle of 14 side of fast pulley circle as center annular array Fruit, the outer surface in fixing axle 13 on the outer surface of two close end and driven shaft 9 close to its both ends are sequentially connected, and backrest 1 is just Face is respectively arranged with the soft band 17 of the first massage and the second soft band 18 of massage from top to bottom, is pressed using the first soft band 17 of massage with second The soft band 18 that rubs can make the effect of the jack-up of massage bar 16 and massage bumps 11 more obvious, and the two sides of backrest 1 are from top to bottom It is respectively arranged with the first restraining and the second restraining, the work of constraint can be played using the first restraining and the second restraining With, prevent massage when, user due to by the jack-up of massage bar 16 and massage bumps 11 act on by office chair It slides.

Working principle: the office chair can messaging backs in use, first connect drive motor 5 power supply line, drive motor 5 Running drives driving shaft 7 to rotate, and due to the transmission effect of driving shaft 7 and driven shaft 9, makes conveyer belt 10 that massage bumps 11 be driven to do It moves back and forth, action process is mobile shaped like crawler belt and then is sufficiently massaged the back of user, what driven shaft 9 rotated It drives fixing axle 13 to rotate simultaneously, and then massage bar 16 is made to move in a circle around fixing axle 13, simultaneously because user gives Pressure effect, massage bar 16 itself also moves in a circle around rotating fulcrum, achievees the effect that massage buttocks.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of office chair can messaging backs, including backrest (1), it is characterised in that: the back side of the backrest (1) is fixedly connected Have driving mechanism (2), the intracavitary of the backrest (1) is fixedly installed with crawler type massage mechanism (3)；

The driving mechanism (2) includes driving box (4), and driving box (4) is fixedly connected on the back side of backrest (1), drives box (4) intracavitary is fixedly installed with drive motor (5)；

The crawler type massage mechanism (3) includes two bearing blocks one (6), and two bearing blocks one (6) are fixedly mounted on backrest (1) front at the top of it, the opposite face of two bearing blocks one (6) are rotatably connected to driving shaft (7), the backrest (1) The interior front in the middle part of it is fixedly mounted there are two bearing block two (8), and the opposite face of two bearing blocks two (8) is rotatably connected to Driven shaft (9), the driving shaft (7) and the outer surface of driven shaft (9) are sequentially connected with conveyer belt (10), the conveyer belt (10) outer surface is fixedly connected with massage bumps (11), and the outer surface on the driving shaft (7) close to its both ends is solid and turns to drive The both ends of dynamic motor (5) output shaft are sequentially connected, and there are two bearings for the front fixed installation in the backrest (1) close to its bottom Three (12) of seat, the opposite face of two bearing blocks three (12) are rotatably connected to fixing axle (13), and the middle part of the fixing axle (13) is solid Surely it is connected with fast pulley (14), the two sides of the fast pulley (14) are fixedly connected to fixed plate (15), two fixed plates (15) Opposite face be rotatably connected to massage bar (16), on the fixing axle (13) by two close end outer surface and driven shaft (9) on lean on The outer surface transmission connection at its nearly both ends, the front of the backrest (1) are respectively arranged with the soft band of the first massage (17) from top to bottom With the second soft band (18) of massage.

2. a kind of office chair according to claim 1 can messaging backs, it is characterised in that: the massage bumps (11) are in Semicircle is spherical.

3. a kind of office chair according to claim 1 can messaging backs, it is characterised in that: the massage bumps (11) Quantity is no less than ten, and outer surface of each massage bumps (11) along conveyer belt (10) is sequentially arranged at intervals.

4. a kind of office chair according to claim 1 can messaging backs, it is characterised in that: the number of the massage bar (16) Amount is three, and three massage bars (16) are using the center of circle of fast pulley (14) side circle as center annular array.

5. a kind of office chair according to claim 1 can messaging backs, it is characterised in that: the two sides of the backrest (1) It is respectively arranged with the first restraining and the second restraining from top to bottom.