KR101374570B1 - A office chair with massage function - Google Patents

Abstract

The present invention discloses a functional office chair that can massage a shoulder portion of a user. The functional office chair according to the present invention includes a pair of shoulder massage units installed in an arcuate portion of the backrest so as to move around the shoulder of the user, and a rotation unit for circularly exercising the massage units. The rotation unit includes a pair of forward and reverse drive motors respectively provided on the backrest, pinions respectively provided on the output shaft of the drive motor, and rack members and shoulder massage units respectively installed on the shoulder massage unit so as to mesh with the pinions. Characterized in that it comprises a rotating frame rotatably installed on the backrest to support each of the allowable. According to this constitutional feature, a user who is seated for a long time in a study or office chair can easily receive a massage on the shoulder area in a seated state as needed, and in particular, in response to the height of the shoulder of the sitting height according to the user's physical condition Since the setting position of the massage unit can be easily adjusted and used, it is possible to increase the learning efficiency or office efficiency, as well as increase the convenience of use.

Description

Functional chair {A OFFICE CHAIR WITH MASSAGE FUNCTION}

The present invention relates to a chair, and more particularly, to a functional chair capable of simultaneously or selectively massaging (MASSAGE) the user's shoulder and nape area of a study or office chair.

In general, the learning chair or office chair used for learning or office work is provided with a seat seat of the main body to support the weight when the user is seated, and a back seat provided at the rear to support the user's waist and back Equipped. Users who sit in such study chairs or office chairs are generally used for a long time, and thus complain of muscle stiffness and light pain caused by the accumulation of fatigue mainly in the waist, shoulder or nape of the user's body parts. Is occurring in multiple reflections.

In addition, when the use of a conventional learning chair or an office chair for a long time due to an environment in which the use of a personal computer is increasingly required in recent years, for example, a canine disability disorder called 'VISUAL DISPLAY TERMINAL' syndrome. It is well known that symptoms such as spinal curvature, lumbar spine injury, blood circulation disorder, and chronic fatigue are caused by unstable posture, as well as new functional disorders.

Therefore, in recent years, the release of functional chairs with various types of functions has been increasing for the purpose of alleviating or alleviating physical dysfunction symptoms that may occur frequently when using the conventional learning chair or office chair as described above. The trend is.

However, most of the functional chairs on the market so far have a massage function on a sofa-type chair such as an armchair, and the main functional chair is mainly difficult to use as a general study chair or an office chair. have.

On the other hand, for example, the examples of the 'office heating chair' and the 'backrest angle adjustable chair' disclosed in Korean Utility Model Publication No. 20-2010-00010424 and 10-0946664, respectively. As it is, the reality is that products that provide specific functions mainly for the user's back and waist area or are released for posture correction are mainly used to solve or relieve symptoms such as muscle stiffness and pain in the nape of the user's neck. It is difficult to expect the effect of letting.

Therefore, the present invention was created in view of the functional limitations of the conventional learning or office chair as described above to improve it, an object of the present invention is to provide a functional office chair that can massage the shoulder portion of the user To provide a, in particular to provide a functional office chair that can provide a massage function in response to the height difference of the shoulder in the sitting position according to the user's physical conditions.

In addition, another object of the present invention is to provide a functional office chair that can simultaneously or selectively massage the shoulder and nape of the user, to the difference in the height of the shoulder and / or nape in the sitting position according to the user's physical condition Correspondingly, to provide a functional office chair that can provide a massage function.

In order to achieve the above object, a functional office chair according to the present invention is a chair having a backrest in a rear of a seat seat, and a pair of arcuate movements installed on both sides of the backrest to move around the shoulder of the user. Shoulder massage unit; And a rotation unit for circularly exercising the pair of shoulder massage units, wherein the rotation unit includes: a pair of first forward and backward driving motors provided on the backrest; First pinions respectively provided on the output shafts of the first forward and reverse drive motors; First rack members respectively installed on the massage unit to engage with the first pinion; And a rotation frame rotatably installed on the backrest so as to allow each of the circular motions of the massage unit to be allowably supported.

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Functional office chair according to the present invention in order to achieve the above another object, in the chair having a backrest in the back of the seat seat, installed in an arcuate motion portion of the backrest to move around the shoulder of the user 1 A pair of shoulder massage units; A rotation unit for circularly exercising the pair of shoulder massage units; A neck massage unit positioned between the pair of shoulder massage units and installed on the backrest to move around the user's back head; And an elevating unit for elevating the neck massage unit.

According to the functional office chair according to the present invention having the above-described configuration, the elevating unit includes: a holder bracket provided with the backrest; A second forward and reverse drive motor embedded in the holder bracket; A second pinion provided on an output shaft of the second forward and reverse drive motor; And a second rack member installed on the holder bracket to support the neck massage unit and to move up and down in engagement with the second pinion.

On the other hand, the lifting unit, and the third forward and backward drive motor provided in the neck massage unit; A third pinion installed on an output shaft of the third forward and reverse drive motor; It may have a configuration including; rack member is installed on the backrest to engage the third pinion to allow movement of the neck massage unit.

According to one aspect of the invention, the shoulder massage unit and neck massage unit, respectively, the holder frame; A drive motor embedded in the holder frame; It is preferably configured to include a; a plurality of cam rollers provided on the output shaft of the drive motor.

The plurality of cam rollers may include a driving motor embedded in each of the holder frames of the shoulder massage unit and the neck massage unit; It is preferable that a larger diameter cam roller is disposed from both ends of the center of the output shaft of each drive motor, and the cam roller preferably has a coating layer having irregularities formed on a surface thereof.

According to the functional office chair according to the present invention, a user who is seated for a long time in a study or office chair may easily receive a massage on the shoulder and / or nape area in a seated state according to a necessity for alleviating fatigue accumulation or muscle stiffness. Therefore, learning efficiency and office work efficiency can be increased more.

In addition, according to the functional office chair according to the present invention, since the setting position of the massage unit can be used in response to the height of the sitting height according to the physical condition of the user, the convenience for use can be further increased.

1 is a perspective view schematically showing a functional office chair according to the present invention;
Figure 2 is a schematic diagram showing the main portion of the functional office chair according to the present invention shown,
3 is a schematic view showing an extract of the periodic rotation unit by rotating the shoulder massage unit of the functional office chair according to the present invention,
Figure 4 is a schematic view showing an extract of the shoulder massage unit of the functional office chair according to the present invention,
5 is a perspective view schematically showing a functional office chair according to another embodiment of the present invention;
Figure 6 is a perspective view schematically showing the main portion of the lifting unit for lifting the neck massage unit of FIG.

Hereinafter, with reference to the accompanying drawings will be described in detail a functional office chair according to the present invention. 1 and 2, the functional office chair 100 according to the present invention is to enable the circular motion to move around the shoulder of the user to the rim of the backrest 130 provided on the rear of the seat seat 120 And a pair of shoulder massage units 140 installed therein, and a rotation unit 150 for circularly exercising the shoulder massage units 140. Here, reference numeral 110 denotes a body for supporting the chair body. The leg portion 111 represents a support frame connected to the seat seat 120 to be supported by the leg portion 110. Reference numeral C denotes a control panel for operating the shoulder massage unit 140 and the rotation unit 150.

Referring to FIG. 3, the rotation unit 150 may include a holder bracket 151 installed on the backrest 130, a first forward / lower driving motor 153 built in the holder bracket 151, and A first pinion 154 provided on an output shaft of a first forward and reverse drive motor 153, a first rack member 155 provided on the shoulder massage unit 140 to engage the first pinion 154, and the shoulder It includes a rotation frame 156 installed in a hinge (h) structure rotatably on the back support 130 so as to allow each support of the circular motion of the massage unit 140.

According to one aspect of the present invention, the first rack member 155 is preferably formed in a gentle curved structure as illustrated in Figures 1 to 3 so that the rack forming surface is curved. The first rack member 155 having the curved structure guides the shoulder massage unit 140 to move on the arc of the arc. As a result, the shoulder massage unit 140 is moved along the shoulder line portion of the seated to be located at the corner portion of the backrest 130. At this time, by controlling the driving distance of the shoulder massage unit 140 by controlling the driving of the first forward and reverse drive motor 153, it is possible to adjust the setting position for the determination of the shoulder position or massage area according to the user's physical condition. .

Referring to FIG. 4, the shoulder massage unit 140 includes a holder frame 141, a third drive motor 142 installed on the holder frame 141, and an output shaft of the third drive motor 142 ( It is configured to include a plurality of cam rollers 144 installed on the 143 and the outer shell 145 is installed to surround the holder frame 141. Here, reference numeral 143a, which is not described, indicates a bearing supporter for supporting the output shaft end of the third drive motor 142 in a rotatable state.

According to the present invention, the holder frame 141 has a curved shape structure to complementarily fit to the shoulder portion of the human body to have a curved pillow shape as shown in Figures 1 and 2 to illustrate the appearance. It is formed to have, the outer shell (141b) to reduce the impact strength to feel a soft ductile touch to remove the feeling of rigid stiffness applied directly to the shoulder portion of the user when the cam roller 144 is rotated For example, it is possible to select and employ a variety of materials capable of flexible and elastic deformation, such as leather, rubber, fiber or synthetic resin.

The cam roller 144 has a coating layer 144a coated to form wave-shaped irregularities on the contact surface of the donut-type body, and the coating layer 144a is elastic, for example, leather, rubber, fiber, or synthetic resin. Flexible materials can be applied. As a result, when the coating layer 144a contacts the user's nape during rotation of the cam roller 144, it functions to provide a massage effect by excluding a feeling of rigid rigidity and making a soft, soft contact feeling.

According to another aspect of the present invention, the body of the cam roller 144 is not limited to the donut shape, although not shown in the drawings, for example, may be formed in a spherical shape such as a tire or wheel type, ball. It can be, and can be configured to have a coating layer formed with irregularities in each body.

According to one aspect of the invention, the cam roller 144 is preferably a roller that is gradually larger in diameter toward both ends from the center of the output shaft of the third drive motor 142. The cam roller arrangement structure is such that the holder frame 141 is formed in a curved shape to complementarily fit the nape of the human body, so that the cam rollers can be easily contacted at both ends of the nape of the user at both ends. It is intended for configuration.

In the functional office chair according to the present invention having the configuration as described above, the user operates the plurality of lifting level selection switches (not shown) provided in the control panel C, thereby driving the first forward and backward driving motor 153. By the shoulder massage unit 140 is rotated. At this time, the movement distance of the rack member 155 is determined by the rotation control of the first forward and reverse drive motor 153 according to the selected and operated switch, whereby the position of the shoulder massage unit 140 is the user's shoulder The site is selectively determined and set. Subsequently, the user operates a start button (not shown) for driving the shoulder massage unit 140 provided in the control panel C, so that the third driving motor 142 of the shoulder massage unit 140 is driven to cam. The roller 144 rotates to provide a function of massaging the shoulder of the user.

Figure 5 shows a functional office chair 200 according to another embodiment of the present invention, the functional office chair 200 according to this embodiment is a functional office of the present invention according to the embodiment of Figs. In the configuration of the chair 100, the neck massage unit 210 and the neck massage unit which is located between the pair of shoulder massage unit 140 and installed on the backrest 130 so as to move around the back of the user's back head, and the neck massage The lifting unit 220 for lifting the unit 210 is configured to further include. Here, the same reference numerals as the reference numerals of the drawings shown above indicate the same components, and detailed descriptions of the components will be omitted.

Referring to FIG. 6, the elevating unit 220 includes a holder bracket 221 installed on the backrest 130, a second forward and backward driving motor 223 built in the holder bracket 221, and The second pinion 224 supports the second pinion 224 installed on the output shaft of the second forward and reverse drive motor 223 and the neck massage unit (see 210 in FIG. 5) to enter and exit the holder bracket 221. And a second rack member 225 installed in engagement with the second rack member 225.

According to one aspect of the present invention, the holder bracket 221 has a guide holder (221a) for supporting to support the lifting movement in a state of receiving a portion of the second rack member 225.

In addition, the second rack member 225 has a slide portion 225a having a step at each side end thereof, and the slide portion 225a is provided at both sides of the guide hold 221a of the holder bracket 225. It is supported by the guide portion 221b in a slidable state and is installed to be capable of lifting and lowering.

Here, the end of the second pinion 224 is supported by a bearing supporter (not shown) bearing supporter as illustrated in FIG. 4; see 143a. Therefore, both ends of the pinion 224 are supported by the output shaft end of the second forward and reverse drive motor 223 and the bearing supporter (not shown), respectively, when the second rack member 225 is set to stop at a predetermined position after the lifting of the second rack member 225. Due to this structure, the second rack member 225 restrains the lowering due to its own weight. As a result, the second rack member 225 is positioned and set in a stable state.

According to one aspect of the present invention, although not shown in the drawings, the guide holder 221a of the holder bracket 221 may have a configuration in which a bearing member such as a rolling ball is installed on an inner wall. According to this configuration, the bearing member (not shown) installed on the inner wall of the guide hold 221a can guide the smooth sliding movement of the second rack member 225 to induce a stable lifting movement.

According to an embodiment of the present invention, as shown in the cross-section of the second rack member 225 and the planar shape of the guide holder 221a of the holder bracket 221, respectively, '凸' shape structure capable of complementary coupling It is formed to have. Such a shape structure is not intended to limit the present invention, and various sliding guide structures commonly known in the art may be employed to allow sliding of the second rack member 225.

According to another aspect of the invention, the second rack member 225 is preferably formed in a gentle curved structure so that the rack forming surface is curved. As described above, since the second rack member 225 having a smooth curved structure has a movement trajectory on the arc during the lifting movement, the neck massage unit 210 is provided with respect to the back of the backrest 130 according to the movement stroke (rising distance). Since the distance is different, the setting position can be adjusted according to the user's physical condition or the height of the sitting height.

100: chair body 110: seat seat
120: back 130: drive unit
140: shoulder massage unit 141: holder frame
142: third drive motor 143: bearing supporter
144: cam roller 145; coat
150: rotation unit 151: holder bracket
153: first forward and reverse drive motor 154: first pinion
155: first rack member 156: support frame

Claims (10)

A chair having a backrest at the back of a seat seat,
A pair of shoulder massage units 140 installed in an arcuate portion of the backrest so as to move around the shoulder of the user;
And a rotation unit 150 for circularly exercising the pair of shoulder massage units 140, respectively.
The rotation unit 150,
A pair of first forward and reverse drive motors 153 respectively provided on the backrest;
First and second pinions 154 respectively disposed on the output shafts of the first and second drive motors 153;
First rack members 155 respectively installed on the shoulder massage unit to be engaged with the first pinion 154; And
And a rotation frame rotatably installed on the backrest so as to allow each of the arcuate motions of the shoulder massage unit to be allowably supported. delete The method of claim 1,
A neck massage unit (210) positioned between the pair of shoulder massage units and installed on the backrest to move around the user's back head; Functional office chair further comprising; elevating unit (220) for elevating the neck massage unit. The method of claim 3, wherein the lifting unit 220,
A holder bracket 221 mounted to the backrest;
A second forward and reverse drive motor 223 embedded in the holder bracket 221;
A second pinion 224 mounted to an output shaft of the second forward and reverse drive motor 223;
And a second rack member 225 installed on the holder bracket 221 to support the neck massage unit 210 and to engage with the second pinion 224 to move up and down. . delete The method of claim 1,
The first rack member is a functional office chair, characterized in that formed to have a curved structure forming a curved rack forming surface. The method of claim 1, wherein the shoulder massage unit 140,
A holder frame 141;
A third drive motor 142 embedded in the holder frame 141;
A functional office chair, comprising; a plurality of cam rollers (144) installed on the output shaft of the third drive motor (142). delete The method of claim 7, wherein
The plurality of cam rollers is a functional office chair, characterized in that the cam roller having a larger diameter is disposed toward both ends from the center of the output shaft of the third drive motor. The method of claim 7, wherein
The plurality of cam rollers have a functional office chair, characterized in that it has a coating layer formed with irregularities on the surface.

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