Chair having safety belts

Abstract

The present invention relates to a chair having safety belts, the chair comprising: a chair body having a seat plate, on which an occupant sits, and a backrest, which is coupled to the seat plate and supports the back of the occupant; and safety belts which are detachably connected to the backrest and worn on the upper body of the occupant, wherein the safety belts generate elastic force that presses the upper body of the occupant against the backrest and extends the waist of the occupant.

Description

chair with seat belt

[0001] The present invention relates to a chair having a seat belt.

[0002] In modern society, people spend more and more time sitting in chairs, which leads to an increase in the incidence of diseases that cause back pain, such as herniated discs.

[0003] To prevent and alleviate this type of back pain, the person sitting on the chair must maintain proper posture. This proper posture means keeping the back straight.

[0004] However, there is a problem that it is not easy for a person sitting to maintain the correct posture (e.g., with the back extended) for a long time.

[0005] The present invention has been made to solve the above-described problems, and the purpose of the present invention is to provide a chair having a seat belt, which allows the seated person to maintain a correct sitting posture for a long time, prevents the seated person from having back pain, and improves the seated person's back pain by forcibly extending the seated person's back through a seat belt provided on the chair body.

[0006] The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

[0007] A chair having a seat belt according to one embodiment of the present invention comprises: a chair body having a seat on which a seated person sits; a backrest coupled to the seat and supporting the back of the seated person; and a seat belt detachably coupled to the backrest, worn on the upper body of the seated person, and having an elastic force that brings the upper body of the seated person into close contact with the backrest and extends the waist of the seated person.

[0008] In addition, the seat belt may include a first seat belt including a first main belt coupled to one upper side of the backrest, a first auxiliary belt coupled to the other upper side of the backrest of the first main belt, and a first buckle portion that detachably couples the first main belt and the first auxiliary belt; and a second seat belt including a second main belt coupled to one lower side of the backrest, a second auxiliary belt coupled to the other upper side of the backrest of the second main belt, and a second buckle portion that detachably couples the second main belt and the second auxiliary belt.

[0009] In addition, the first main belt and the first auxiliary belt may be worn on the chest of the seated person to generate an elastic force that presses the chest of the seated person against the backrest, and the second main belt and the second auxiliary belt may be worn on the abdomen of the seated person to generate an elastic force that presses the abdomen of the seated person against the backrest.

[0010] Additionally, the first main belt and the first auxiliary belt may have a smaller elastic modulus than the second main belt and the second auxiliary belt.

[0011] In addition, the first buckle part may include a first female buckle provided on the first main belt; and a first male buckle provided on the first auxiliary belt and detachably coupled with the first female buckle, and the second buckle part may include a second female buckle provided on the second main belt; and a second male buckle provided on the second auxiliary belt and detachably coupled with the second female buckle.

[0012] In addition, the device may further include an adjustment unit that adjusts the length of the first main belt or the length of the first auxiliary belt, which is arranged in front of the backrest, so as to adjust the allowable range of movement of the chest of the seated person wearing the first main belt and the first auxiliary belt.

[0013] Other specific details of the present invention are included in the detailed description and drawings.

[0014] A chair having a seat belt according to one embodiment of the present invention has the effect of forcibly extending the waist of a seated person through a seat belt provided on the chair body, thereby enabling the seated person to maintain a correct sitting posture on the chair for a long time, preventing the seated person from suffering from back pain, and improving the back pain of the seated person.

[0015] The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

[0016] FIG. 1 is a perspective view showing a chair having a seat belt according to a first embodiment of the present invention.

[0017] Figure 2 is a front view showing a chair having a seat belt according to the first embodiment of the present invention.

[0018] Figure 3 is a perspective view showing a chair having a seat belt according to a second embodiment of the present invention.

[0019] Fig. 4 is an enlarged view showing an adjustment part of a seat having a seat belt according to a second embodiment of the present invention.

[0020] Figures 5 to 7 are enlarged views showing the operation process of the adjustment part of a seat having a seat belt according to the second embodiment of the present invention.

[0021] The advantages and features of the present invention, and the methods for achieving them, will become clearer with reference to the embodiments described in detail below together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various different forms. These embodiments are provided solely to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the present invention, and the present invention is defined solely by the scope of the claims.

[0022] The terminology used herein is for the purpose of describing embodiments only and is not intended to limit the present invention. In this specification, the singular also includes the plural unless specifically stated otherwise. As used herein, the terms "comprises" and / or "comprising" do not exclude the presence or addition of one or more other components in addition to the mentioned components. Like reference numerals refer to like components throughout the specification, and "and / or" includes each and any combination of one or more of the mentioned components. Although "first", "second", etc. are used to describe various components, these components are not limited by these terms. These terms are only used to distinguish one component from another. Therefore, it should be understood that a first component mentioned below may also be a second component within the technical spirit of the present invention.

[0023] Unless otherwise defined, all terms (including technical and scientific terms) used herein may be used in their common sense to those skilled in the art to which the present invention pertains. Furthermore, terms defined in commonly used dictionaries are not to be interpreted ideally or excessively unless explicitly and specifically defined otherwise.

[0024] Spatially relative terms such as "below," "beneath," "lower," "above," and "upper" can be used to easily describe the relationship between one component and other components as depicted in the drawings. Spatially relative terms should be understood to include different orientations of the components during use or operation in addition to the orientations depicted in the drawings. For example, if a component depicted in the drawings were flipped over, a component described as "below" or "beneath" another component could end up "above" the other component. Thus, the exemplary term "below" can include both the above and below orientations. Components can also be oriented in other directions, and thus spatially relative terms can be interpreted accordingly.

[0025] Before describing the present invention, in several embodiments, components having the same configuration will be described representatively in the first embodiment using the same reference numerals, and in other embodiments, configurations different from the first embodiment will be described.

[0026] Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings.

[0027] FIG. 1 is a perspective view showing a chair having a seat belt according to a first embodiment of the present invention, and FIG. 2 is a front view showing a chair having a seat belt according to a first embodiment of the present invention.

[0028] As illustrated in FIG. 1, a chair having a seat belt function according to the first embodiment of the present invention includes a chair body (100) and a seat belt (200).

[0029] The chair body (100) can be used for the purpose of seating a seated person. The chair body (100) can include a seat (110), a backrest (120), a pair of armrests (130), and a movable part (140). The seat (110) is coupled to the upper side of the movable part (140) and can serve to induce the buttocks of the seated person to sit. The backrest (120) is coupled vertically to the rear of the seat (110) and can serve to support the back of the seated person. For example, the backrest (120) can have a duo-back structure that supports both sides of the back of the seated person. A pair of armrests (130) can be coupled to the left and right sides of the seat (110), respectively, and can serve to support both arms of the seated person. The movable part (140) can include a post that supports the seat (110) and a plurality of wheels coupled to the post. For example, the post may have a height-adjustable structure, for example, a telescopic structure, but the present invention is not limited thereto.

[0030] The seat belt (200) serves to extend the waist of the seated person by pressing the upper body of the seated person against the backrest (120). Specifically, the seat belt (200) is detachably connected to the backrest (120) and is worn on the upper body of the seated person, thereby generating an elastic force that presses the upper body of the seated person against the backrest (120) and extends the waist of the seated person. The seat belt (200) may include a first seat belt (210) and a second seat belt (220).

[0031] The first safety belt (210) can be worn on the chest of a seated person and serve to press the chest of the seated person against the backrest (120). The first safety belt (210) can include a first main belt (211), a first auxiliary belt (212), a first buckle portion (213), and a pair of first belt clips (214).

[0032] The first main belt (211) can be coupled to one upper side of the backrest (120), and the first auxiliary belt (212) can be coupled to the other upper side of the backrest (120). The first main belt (211) and the first auxiliary belt (212) are detachably coupled to each other through the first buckle portion (213), are placed at the front of the backrest (120), and can be worn on the chest of a seated person. In addition, the first main belt (211) and the first auxiliary belt (212) are coupled to each other through the first buckle portion (213), and when worn on the chest of a seated person, an elastic force can be generated to press the chest of the seated person against the backrest (120). In other words, the first main belt (211) and the first auxiliary belt (212) can be worn on the chest of the seated person and generate elastic force to press the chest of the seated person against the backrest (120). The first main belt (211) and the first auxiliary belt (212) can include an elastic material, for example, neoprene, but the present invention is not limited thereto.

[0033] The first buckle portion (213) can serve to detachably connect the first main belt (211) and the first auxiliary belt (212). The first buckle portion (213) can include a first female buckle (213b) and a first male buckle (213a).

[0034] The first female buckle (213b) may be provided on the first main belt (211), and the first male buckle (213a) may be provided on the first auxiliary belt (212) and may be detachably coupled to the first female buckle (213b). For example, a hook groove may be formed on the inside of the first female buckle (213b), and a hook may be formed on the first male buckle (213a) that is fixed to the hook groove of the first female buckle (213b).

[0035] A pair of first belt clips (214) may be provided on the first main belt (211) and the first auxiliary belt (212), respectively, to adjust the length of the first main belt (211) and the length of the first auxiliary belt (212) worn on the chest of the seated person. The first main belt (211) and the first auxiliary belt (212) may be inserted into the interior of the pair of first belt clips (214), respectively, and a ratchet projection for fixing the first main belt (211) and the first auxiliary belt (212) may be provided into the interior of the pair of first belt clips (214), respectively. Therefore, by adjusting the length of the first main belt (211) inserted into and fixed to the first belt clip (214), the length of the first main belt (211) worn on the chest of the seated person may be adjusted. In addition, the length of the first auxiliary belt (212) worn on the chest of the seated person can be adjusted by adjusting the length of the first auxiliary belt (212) inserted and fixed into the first belt clip (214).

[0036] The second safety belt (220) can be worn on the abdomen of the seated person and serve to press the abdomen of the seated person against the backrest (120). The second safety belt (220) can include a second main belt (221), a second auxiliary belt (222), a second buckle (223), and a pair of second belt clips (224).

[0037] The second main belt (221) can be coupled to one side of the lower portion of the backrest (120), and the second auxiliary belt (222) can be coupled to the other side of the lower portion of the backrest (120). The second main belt (221) and the second auxiliary belt (222) are detachably coupled to each other through the second buckle portion (223), are placed at the front of the backrest (120), and can be worn on the abdomen of a seated person. In addition, the second main belt (221) and the second auxiliary belt (222) are coupled to each other through the second buckle portion (223), and when worn on the abdomen of a seated person, an elastic force can be generated to press the abdomen of the seated person against the backrest (120). In other words, the second main belt (221) and the second auxiliary belt (222) can be worn on the abdomen of the seated person and generate elastic force to press the abdomen of the seated person against the backrest (120). The second main belt (221) and the second auxiliary belt (222) can include an elastic material, for example, neoprene, but the present invention is not limited thereto.

[0038] The second buckle part (223) can serve to detachably connect the second main belt (221) and the second auxiliary belt (222). The second buckle part (223) can include a second female buckle (223a) and a second male buckle (223b).

[0039] The second female buckle (223a) may be provided on the second main belt (221), and the second male buckle (223b) may be provided on the second auxiliary belt (222) and may be detachably coupled to the second female buckle (223a). For example, a hook groove may be formed on the inside of the second female buckle (223a), and a hook may be formed on the second male buckle (223b) that is fixed to the hook groove of the second female buckle (223a).

[0040] A pair of second belt clips (224) may be provided on the second main belt (221) and the second auxiliary belt (222), respectively, to adjust the length of the second main belt (221) worn on the chest of the seated person and the length of the second auxiliary belt (222). The second main belt (221) and the second auxiliary belt (222) may be inserted into the interior of the pair of second belt clips (224), respectively, and a ratchet projection for fixing the second main belt (221) and the second auxiliary belt (222) may be provided into the interior of the pair of second belt clips (224), respectively. Therefore, by adjusting the length of the second main belt (221) inserted into and fixed to the second belt clip (224), the length of the second main belt (221) worn on the abdomen of the seated person may be adjusted. In addition, the length of the second auxiliary belt (222) worn on the abdomen of the seated person can be adjusted by adjusting the length of the second auxiliary belt (222) inserted and fixed into the second belt clip (224).

[0041] For example, the first main belt (211) and the first auxiliary belt (212) may have lower elastic moduli than the second main belt (221) and the second auxiliary belt (222). At this time, the first main belt (211) and the first auxiliary belt (212) may have the same elastic modulus, and the second main belt (221) and the second auxiliary belt (222) may have the same elastic modulus. Therefore, the first main belt (211) and the first auxiliary belt (212) worn on the chest of the seated person can be relatively more easily stretched than the second main belt (221) and the second auxiliary belt (222) worn on the abdomen of the seated person, thereby allowing a predetermined range of movement of the chest of the seated person. Through this, the first main belt (211) and the first auxiliary belt (212) can provide convenience for movement of the chest of the seated person.

[0042] FIG. 3 is a perspective view showing a chair having a seat belt (200) according to a second embodiment of the present invention, FIG. 4 is an enlarged view showing an adjustment part (300) of a chair having a seat belt (200) according to a second embodiment of the present invention, and FIGS. 5 to 7 are enlarged views showing an operation process of an adjustment part (300) of a chair having a seat belt (200) according to a second embodiment of the present invention.

[0043] As shown in FIGS. 3 and 4, a chair having a seat belt (200) according to the second embodiment of the present invention may further include an adjustment part (300), unlike the first embodiment.

[0044] The adjustment unit (300) can adjust the length of the first main belt (211) positioned in front of the backrest (120) or the length of the first auxiliary belt (212) positioned in front of the backrest (120) so that the range of movement of the chest of the seated person wearing the first main belt (211) and the first auxiliary belt (212) can be adjusted. In this way, when the length of the first main belt (211) positioned in front of the backrest (120) or the length of the first auxiliary belt (212) positioned in front of the backrest (120) is adjusted, the range of movement of the chest of the seated person wearing the first main belt (211) and the first auxiliary belt (212) can also be adjusted.

[0045] Hereinafter, the driving principle by which the adjusting unit (300) adjusts the length of the first main belt (211) arranged in front of the backrest (120) will be described. Of course, the adjusting unit (300) can also adjust the length of the first auxiliary belt (212) arranged in front of the backrest (120) through the driving principle.

[0046] The control unit (300) may include a winding roll (310), a mounter (320), a screw shaft (330), a stopper (340), a spring (350), a moving nut (360), and a knob (370).

[0047] A winding roll (310) is provided on the backrest (120), so that the first main belt (211) can be wound or unwound.

[0048] For example, when the take-up roll (310) rotates in reverse, the first main belt (211) can be taken up on the take-up roll (310), and when the take-up roll (310) rotates in a forward direction, the first main belt (211) can be unwound from the take-up roll (310). As another example, when the first main belt (211) is taken up on the take-up roll (310), the take-up roll (310) can be rotated in reverse (see FIG. 5), and when the first main belt (211) is unwound from the take-up roll (310), the take-up roll (310) can be rotated in a forward direction. (See Fig. 6) Therefore, as the forward rotation range of the take-up roll (310) increases, the length at which the first main belt (211) can be unwound from the take-up roll (310) increases, and thus the length of the first main belt (211) arranged in front of the backrest (120) may increase. In addition, as the forward rotation range of the take-up roll (310) decreases, the length at which the first main belt (211) can be unwound from the take-up roll (310) decreases, and thus the length of the first main belt (211) arranged in front of the backrest (120) may decrease. Meanwhile, the forward rotation range of the take-up roll (310) may be adjusted by the screw shaft (330), the first stopper (340), the second stopper (340), the moving nut (360), and the knob (370) which will be described later.

[0049] For example, the winding roll (310) may have a hollow cylindrical shape, and a screw shaft (330), a stopper (340), a spring (350), and a moving nut (360) may be accommodated inside the winding roll (310).

[0050] The mounter (320) can be rotatably coupled to the winding roll (310) and can be coupled to the backrest (120). For example, the mounter (320) can have a larger diameter than the winding roll (310).

[0051] The screw shaft (330) can be inserted into the winding roll (310). A moving nut (360) to be described later can be screw-connected to the screw shaft (330), and the screw shaft (330) can be force-fitted to a stopper (340) to be described later.

[0052] The stopper (340) is coupled to the inside of the winding roll (310), and one side of the screw shaft (330) can be forcibly fitted.

[0053] The mainspring (350) connects the mounter (320) and the winding roll (310), and can generate elastic force to reversely rotate the winding roll (310). For example, the mainspring (350) has one end coupled to the mounter (320) and the other end coupled to the winding roll (310), and stores the force caused by the forward rotation of the winding roll (310), and when an external force is not applied to rotate the winding roll (310) forward or to stop the winding roll (310), the force can be released to reversely rotate the winding roll (310). In this way, when the winding roll (310) is reversely rotated by the mainspring (350), the length of the first main belt (211) arranged in front of the backrest (120) can be reduced as the first main belt (211) is wound around the winding roll (310). (See Figure 7)

[0054] The moving nut (360) is screw-connected to the screw shaft (330) and connected to the inner surface of the winding roll (310), and can move along the screw shaft (330) by the forward or reverse rotation of the winding roll (310). Here, the moving nut (360) can be moved in a direction closer to the stopper (340) by the forward rotation of the winding roll (310), and can be moved in a direction away from the stopper (340) by the reverse rotation of the winding roll (310). At this time, when the moving nut (360) moves along a movement path from the initial position of the screw shaft (330) to the position of the stopper (340) by the forward rotation of the winding roll (310), the additional direct movement of the moving nut (360) is blocked by the stopper (340), and the forward rotation of the winding roll (310) is also blocked. Therefore, the range of possible forward rotation of the winding roll (310) can be determined according to the length of the movement path of the moving nut (360) due to the forward rotation of the winding roll (310).

[0055] The knob (370) serves to adjust the length of the movement path of the moving nut (360). Specifically, the knob (370) is coupled to the screw shaft (330) and can adjust the initial position of the screw shaft (330) of the moving nut (360) by rotating the screw shaft (330) forward or backward. At this time, as the initial position of the screw shaft (330) of the moving nut (360) gets closer to the stopper (340), the length of the movement path of the moving nut (360) decreases, and thus the possible range of forward rotation of the winding roll (310) may also decrease. In addition, as the initial position of the moving nut (360) gets farther from the stopper (340), the length of the movement path of the moving nut (360) increases, and thus the possible range of forward rotation of the winding roll (310) may also increase.

[0056] While the embodiments of the present invention have been described above with reference to the attached drawings, those skilled in the art will appreciate that the present invention can be implemented in other specific forms without altering the technical concept or essential features thereof. Therefore, the embodiments described above should be understood to be illustrative in all respects and not restrictive.

Claims

1. A chair body having a seat on which a seated person sits and a backrest that is connected to the seat and supports the back of the seated person; and A chair having a seat belt, which includes a seat belt that is detachably connected to the backrest and is worn on the upper body of a seated person to bring the upper body of the seated person into close contact with the backrest, thereby generating an elastic force that extends the waist of the seated person.

2. In paragraph 1, The above seat belt, A first safety belt including a first main belt coupled to one upper side of the backrest, a first auxiliary belt coupled to the other upper side of the backrest of the first main belt, and a first buckle portion that detachably couples the first main belt and the first auxiliary belt; and A chair having a seat belt, comprising a second seat belt including a second main belt coupled to one side of the lower portion of the backrest, a second auxiliary belt coupled to the other side of the upper portion of the backrest of the second main belt, and a second buckle portion that detachably couples the second main belt and the second auxiliary belt.

3. In paragraph 2, The first main belt and the first auxiliary belt are worn on the chest of the seated person and generate elasticity to press the chest of the seated person against the backrest. A chair having a seat belt, wherein the second main belt and the second auxiliary belt are worn on the abdomen of the seated person and generate elasticity to press the abdomen of the seated person against the backrest.

4. In paragraph 2, A seat having a seat belt, wherein the first main belt and the first auxiliary belt have a lower elasticity coefficient than the second main belt and the second auxiliary belt.

5. In paragraph 2, The above first buckle part, A first female buckle provided on the first main belt; and It includes a first male buckle provided on the first auxiliary belt and detachably connected to the first female buckle, The above second buckle part, A second female buckle provided on the second main belt; and A chair having a seat belt, comprising a second male buckle provided on the second auxiliary belt and detachably connected to the second female buckle.

6. In paragraph 2, A chair having a waist belt function, further comprising an adjustment unit that adjusts the length of the first main belt or the length of the auxiliary belt, which is arranged in front of the backrest, so as to adjust the allowable range of movement of the chest of the seated person worn on the first main belt and the first auxiliary belt.

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