TW201417748A - Dual purpose chair for headrest and waist rest - Google Patents

Abstract

This invention relates to a dual purpose chair for headrest and waist rest. The chair is configured with a backrest part which is connected with a pad body. The backrest part comprises a chair back frame and a backrest disposed on the chair back frame. The backrest is cut open with at least one partition groove. The back of the pad body is configured with a support rod having two ends that are respectively provided with a first connection set and a second connection set, in which the first connection set is passed through the partition groove of the backrest to connect the back of the pad body, and the second connection set is connected to the chair back frame. With the support rod and the pad body to be stretched out of the partition groove of the backrest, the pad body is upwardly moved to an upper position to serve as a headrest for head. The pad body is downwardly moved to a lower position of the backrest part to serve as a waist rest for supporting waist. Thus, this invention uses a single pad body which can be selectively switched between a headrest function and a waist rest function.

Description

Headrest / lumbar dual-use chair

The invention relates to a technical field related to a chair such as an office chair, in particular to a chair body which can be selectively changed to a headrest/waist.

From the simple function of the chair, the progress of the chair to the more comfortable target is constantly derived from new functions and new structures. Especially for office workers who have been sitting in office chairs for a long time, in order to make the ride comfortable, they will put a lumbar support on the seat cushion of the office chair to support the waist, such as the new patent case of certificate No. M348544 "integrated elastic lumbar structure" (hereinafter: citation In the first case, the lumbar support is integrated with the chair, and a corresponding guide groove is formed on the inner end surface of the back frame, and an integral elastic lumbar support is interposed between the back frame and the back net. The elastic lumbar support can be moved up and down with a certain trajectory by using a guide block whose rear end surface is convex corresponding to the guide groove. However, the lumbar support of the previous case 1 is fixed on the chair, and the back pad of the chair can be tilted downwards so that the person can lie down and rest, and the lumbar support of the former case 1 will interfere and push up the lower back. It is difficult for the back of the human body to rest comfortably on the back cushion.

The inventors of the present invention have intensively studied and developed in view of the foregoing problems, and therefore the main object of the present invention is to provide a headrest/lumbar dual-purpose chair, which is mainly designed as a cushion structure, which can be moved to the back or waist position of the chair. It can be freely adjusted to the individual functions of the headrest or lumbar support depending on the support of the lumbar support or the support of the head. The two do not interfere with each other to meet the needs of the user.

In order to achieve the foregoing objects, the technical means utilized by the present invention is to provide a headrest/lumbar dual-purpose chair comprising: a chair comprising a back pad portion, the back pad portion including a chair Back frame, to a back pad, the back pad is disposed on the back frame, and the back pad is at least one slot defined by the top surface; a supportable pad body includes a support bar, the support bar includes two ends, Separating a first connecting group and a second connecting group, respectively, for the first connecting group to pass through the dividing slot to connect the pad body to the back surface of the back pad portion, the second adjustable angle can be generated in the displacement The connection group is connected to the suitable area of the seat back frame; by the support rod extending beyond the slot, the pad body is pulled up to link the support rod, so that the cushion body can be used for the head pillow The pad body is moved downward to link the support bar, so that the pad body is positioned on the lower side of the back pad portion for the waist support.

Therefore, according to the technical means of the present invention, the effects obtainable by the present invention are as follows:

1. The present invention provides a longitudinal slot in the back pad portion of the chair, and a support bar between the pad body and the back pad portion, the first link group at one end of the support bar is coupled to the pad body, and the second link at the other end is The group is connected to the back pad portion, so that the support rod and the pad body are exposed outside the back pad portion through the slot; therefore, as long as the pad body is pulled, the second link group can be driven to generate a displacement process on the support rod, thereby generating an angle adjustment and The positioning function causes the pad body to be displaced and positioned in the upward and downward directions of the back pad portion; therefore, when the pad body is moved up to the appropriate position, it is a headrest, and when the back pad portion is tilted down, the head can be comfortably rested. In the pad body, on the contrary, after the pad body is moved down and positioned, the pad body is supported by the user's waist pad, so the pad body of the invention can be used for the headrest/waist, so that the user can The two-way transformation adjustment of demand is quite practical.

2. The single pad body of the present invention can be up-and-down-changing position, so that there is no interference problem in the state of use of the headrest/waist. That is to say, when it is applied to the headrest state, there is no other component blocking interference at the waist position, which allows the user's head to rest on the cushion body with ease and comfort, and is convenient and flexible to enhance the comfort of the chair.

The present invention relates to a headrest/lumbar dual-purpose chair. As shown in Figures 1 and 2, the chair (10) basically comprises a seat cushion portion (11) and a back cushion portion (12). A pad body (30) that can be moved up and down is disposed on the back pad portion (12), and functions as a dual function of the headrest or the waistrest.

Referring to FIGS. 1 and 2, the back pad portion (12) includes a back frame (20) and a back pad (21). The back frame (20) has an L-shaped rigid body on the side. The horizontal plane is fixed to the bottom side of the seat cushion portion (11) (as shown in Fig. 4), and the back cushion (21) is fixed to the longitudinal surface of the seat back frame (20), and the back cushion (21) is in the corresponding chair. A longitudinal groove-shaped slot (24) is left in the middle of the back frame (20), so the back pad (21) as shown in the second figure is a two-piece combination, and the first pad (211), If the second pads (212) are adjacent to each other and fixed to the seat back frame (20), the slot (24) is located between the first and second pads (211) (212), and if it is the seventh figure As shown, the back pad (23) is in the form of a single block, and at the intermediate position of the back pad (23), a suitable length, grooved slot (24) is cut longitudinally downward from the top surface; The U-shaped elastic piece (26) is disposed on the seat back frame (20). The two free ends of the U-shaped elastic piece (26) are a first side (261) and a second side (262), respectively, and the first side (261) is fixed to On the seat back frame (20), the opening faces the left and right sides, and the second side (262) is the back surface of the back pad (21), so that the back pad (21) and the back frame (20) are U. The type of shrapnel (26) allows the occupant's back to be slightly elastic and comfortable to lean on.

The pad body (30) is in the form of a pad for supporting the head pad or the waist, and further comprises a support rod (31) for the slot (24) for connecting the support rod (31) to the seat back The frame (20) and the pad body (30); wherein the support bar (31) comprises two ends, respectively disposed with a first connecting group (32) and a second connecting group (33), wherein the first connecting group (32) is The utility model comprises a terminal (34) which is a transverse tube and a pivot piece (35). The hinge piece (35) has a meandering shape, and the two free sides are side wings (351), thereby being placed at the end (34). Between the two wings (351), the side wings (351) and the end (34) are locked with bolts, so that the support rod (31) can be pivoted in the pivot piece (35), and the first connecting group (32) is disposed on the pad. The body (30) is higher than half the height position of the pad body (30); and the second connecting group (33) is a folding piece (37) including a fixing piece (38) and an adjustable section, wherein The folding joint (37) has two ends, and the two ends are respectively connected to the other end of the support rod (31) different from the end (34), and the fixing piece (38) is fixed to the middle section of the seat back frame (20). And corresponding to the vertical range of the slot (24), whereby the second joint group (33) connects the cushion body (30) and the seat back frame (20) by using the folding joint (37), so that the cushion body (30) can be A plurality of angle adjustments and positioning are generated along the upper and lower sides; thereby, as shown in FIGS. 1 and 3, the second joint group (33) of the support rod (31) is coupled to the seat back frame (20), and the support rod (31) is extended. In addition to the groove (24), the first joining group (32) for the support rod (31) is coupled to the back surface of the mat body (30) to constitute the present invention.

Referring to Figures 1, 2 and 3, when the pad body (30) of the present invention is used as a headrest, the pad body (30) is directly pulled to cause the pad body (30) to be driven by its power. The folding joint (37) of the two joining group (33) is adjusted from the bottom to the top, and the adjusting displacement is generated along the dividing groove (24) until the cushion body (30) is located at the upper side of the seat back frame (20), and the cushion body is stopped. 30), the pad body (30) can be maintained at the angle state, allowing the user to sit on the seat cushion portion (11), the head pillow resting on the cushion body (30), and the back resting on the back cushion (21) on.

Referring to Figures 1, 4, and 5, when the cushion body (30) of the present invention is used as a lumbar support, the cushion body (30) is directly pulled to make the cushion body (30) with its power. The folding joint (37) of the second joint group (33) is adjusted downward from the top to the bottom and along the branching groove (24) until the cushion body (30) is located at the lower side of the seat back frame (20) for the waist position to stop. By pulling the pad body (30), the pad body (30) can maintain the angle state, allowing the user to sit on the seat cushion portion (11), and the waist portion is supported on the pad body (30) surface, and the user can view the need. Loosen the bolt to adjust the first joint group (32) hinge (35) Relative to the angle of the end (34), the angle of the pad (30) corresponding to the support bar (31) can be fine-tuned to a comfortable state suitable for support.

6 is a description of the first figure, the back frame (20) is provided with a U-shaped elastic piece (26), and the U-shaped elastic piece (26) is used to provide appropriate elasticity for the user to sit on the seat cushion portion (11). The back is elastic against the back cushion (21) to relieve shock absorption.

Further, as shown in Fig. 8, it is to be understood that the present invention can also be applied to the structure of the sofa (50), and the back pad (51) of the sofa (50) grows in accordance with the long width of the sofa (50), so that the mat body is fitted ( 60) It is also possible to increase the width, so that two slots (52) are left on the back pad (51), and the pad body (60) faces the back pad (51), which is also corresponding to the two-way slot (52). There are two support rods (31), so that each support rod (31) is matched with a slot (52), and the rest of the support rods (31) cooperate with the first and second joint groups (32) (33) as the first structure As shown in the figure, when the pad body (60) is pulled upward, the support bar (31) is moved to move over the back pad (51) to form a headrest function, and vice versa, the pad body (60) is pulled down. That is, the support rod (31) is moved to the lower side of the back pad (51) to form a lumbar support, so the present invention is also applicable to the sofa (50), not limited to the office chair.

The above embodiments are merely illustrative of the technology of the present invention and its effects, and are not intended to limit the present invention. Any person skilled in the art can modify and change the above embodiments without departing from the technical spirit and spirit of the present invention. Therefore, the scope of protection of the present invention should be as listed in the patent application scope mentioned later. .

(10) ‧ ‧ chairs

(11)‧‧‧Cushion Department

(12) ‧‧‧Back pad

(20)‧‧‧Back frame

(21) (23) ‧ ‧ back cushion

(211)‧‧‧First pad

(212)‧‧‧second pad

(24) (52) ‧‧ ‧ slots

(26)‧‧‧U-shaped shrapnel

(261) ‧‧‧ first side

(262)‧‧‧ second side

(30) ‧‧‧ cushion

(31)‧‧‧Support rods

(32)‧‧‧ First Link Group

(33) ‧‧‧Second Link Group

(34) ‧ ‧ ‧ end

(35) ‧‧ ‧ pivot

(351) ‧ ‧ flank

(37)‧‧‧Folding joints

(38) ‧‧‧Fixed tablets

(50)‧‧‧ Sofa

(51)‧‧‧Back cushion

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an exploded perspective view of a preferred embodiment of the present invention.

Figure 2 is a perspective view of the preferred embodiment of the present invention adjusted to a headrest state.

Figure 3 is a side elevational view of the preferred embodiment of the present invention adjusted to a headrest state.

Figure 4 is a perspective view of the preferred embodiment of the present invention adjusted to a lumbar state.

Figure 5 is a side elevational view of the preferred embodiment of the present invention adjusted to the lumbar state.

Figure 6 is a top plan view of a preferred embodiment of the present invention.

Figure 7 is a perspective view of another form of the backing pad of the preferred embodiment of the present invention.

Figure 8 is a perspective view showing the pad body of the preferred embodiment of the present invention disposed on a sofa.

(10) ‧ ‧ chairs

(11)‧‧‧Cushion Department

(20)‧‧‧Back frame

(21)‧‧‧ Back pad

(211)‧‧‧First pad

(212)‧‧‧second pad

(26)‧‧‧U-shaped shrapnel

(261) ‧‧‧ first side

(262)‧‧‧ second side

(30) ‧‧‧ cushion

(31)‧‧‧Support rods

(32)‧‧‧ First Link Group

(33) ‧‧‧Second Link Group

(34) ‧ ‧ ‧ end

(35) ‧‧ ‧ pivot

(351) ‧ ‧ flank

(37)‧‧‧Folding joints

(38) ‧‧‧Fixed tablets

Claims (7)

A headrest/lumbar dual-purpose chair comprising: a chair comprising a back pad portion, the back pad portion comprising a back frame, at least one back pad, the back pad being disposed on the back frame The back pad is at least one slot formed by the top surface; a supportable pad body includes a support bar, the support bar includes two ends, and a first link group and a second link group are respectively disposed. Passing the first connecting group through the dividing slot to connect the pad body to the back surface of the back pad portion, and the second connecting group capable of adjusting the angle during the displacement is connected to the suitable area of the back frame; The support rod is extended beyond the slot, and the pad body is pulled up to link the support rod, so that the pad body can be used for the head pillow, and the pad body is pulled downward to link the support rod, so that the support rod can be The pad body is located on the underside of the back pad portion for the waist support. The headrest/lumbar dual-purpose chair according to claim 1, wherein the backrest of the backrest portion has an L-shaped hard sheet on the side, and the horizontal plane is fixed on the bottom side of the chair, and the back cushion is The two-piece combination includes the first and second pads adjacent to each other and fixed to the seat back frame, and the dividing groove is a space between the first and second pads. The headrest/lumbar dual-purpose chair according to claim 1, wherein the backrest of the backrest portion has an L-shaped hard sheet on the side, and the horizontal plane is fixed on the bottom side of the chair, and the back cushion is In the form of a single piece, in the middle of the back pad, a groove-shaped slot is cut longitudinally downward from the top surface. The headrest/lumbar dual-purpose chair according to claim 1, wherein the back frame is provided with a plurality of U-shaped elastic pieces, and the two free ends of the U-shaped elastic piece are a first side and a second side, respectively. One side is fixed to the back frame, the opening is directed to the left and right sides, the second side is fixed to the back of the back pad, and a U-shaped elastic piece is disposed between the back pad and the back frame. The headrest/lumbar dual-purpose chair as described in claim 1 The first connecting group of the supporting rod comprises a terminal end of a transverse tube and a pivoting piece, wherein the two free sides of the pivoting piece are side wings, whereby the end is placed between the two wings, and the bolt is locked. Flank and end. The headrest/lumbar dual-purpose chair according to claim 5, wherein the first connecting group of the supporting rod is disposed at a position of the cushion body, which is higher than a half height position of the cushion body. The headrest/lumbar dual-purpose chair according to claim 1, wherein the second connecting group of the supporting rod comprises a fixing piece and an adjustable segment type folding joint, wherein the folding joint has two ends The two ends are respectively connected to one end of the support rod, and the fixing piece is fixed to the middle section of the seat back frame and corresponding to the longitudinal range of the slot, so that the folding joint can be used to make the cushion body can be adjusted at multiple angles up and down. Positioning.