TWI419664B - Foldable seat structure - Google Patents

Description

Seat composition

The invention provides a seat composition, which is mainly a package before the external sale of the chair tool after being processed and assembled, and can be conveniently folded into a relatively small volume to facilitate the finished product packaging of each chair, and The surrounding of the chair can be easily replaced and assembled by the consumer, so that the periphery of the chair is equipped with a motorized assembly.

According to the current chair manufacturer, the seat set body generally includes: a chair set, a pad, a seat back, and left and right side armrests, and the set of the chair set is also used. Add the necessary equipment (such as movable table tops, handrails, etc.) in order to facilitate consumers to make appropriate choices depending on their use.

This is a new type of case in which the inventor of the present invention filed an application and disclosed the number of the announcement No. 524083 on March 11, 1992, which is included in the front side of the seat. The section of the hollow sleeve is extended rearwardly to allow the rear side of the leg to be erected across the erected section, and the ferrule section of the front leg for erecting the shank is placed behind The side periphery is fixedly integrated with the backrest bracket, and at the same time, the rear side of the through-sleeve of the sleeve section is provided with a suitable section on both sides of the rod section, which can be fixed when the front and rear side legs are erected Appropriately, the corresponding paragraphs of the backrest brackets are smoothly buckled; so that the folding backrest brackets and the rear side legs can be folded outwards in the front and rear directions, and the backrest brackets are separated from each other. By arranging the corresponding two buckles of the rod section, it is possible to reduce the occupied space and facilitate the horizontal stacking of a plurality of seats.

And a new type of application filed by the relevant industry and published on July 11, 1992, the announcement number: 541909 "Seat structure that can be easily folded", which includes a tripod, a seat back, and a seat base. Composed, the tripod is composed of left and right legs and connecting rods, and the left and right legs are arranged obliquely, wherein the rear end is made with a larger spacing and the front end is gradually spaced apart, and Appropriately at the front end is consolidated by the connecting rod, and the rear of the tripod forms a space to fit the receiving portion of the front end; and on the two sides of the rear end of the tripod, a pivoting portion is provided for pivoting the seat; And fixing the seat back above the rear end of the tripod; providing a pivoting portion on the two sides of the rear end of the seat to be pivotally combined with the rear end of the tripod by the pivoting member; The seat can be pivoted by the pivoting portion and folded in parallel with the back of the seat, and the front end of the tripod of the other seat is placed into the receiving portion behind the stand to reduce the folding volume. Therefore, the legs of each seat are completely grounded to enhance the convenience and stability of the folding.

The two types of seats disclosed above are available in a desired state of convenience for struts or folding up and down when not in use, but such seats are required to be sold externally. The finished product packaging is still quite large due to the overall volume of the folded material after the complete folding, so that the seat is quite large in the packaging material, and it is impossible to stack the effective space during transportation, and the freight is also relatively relative. Higher.

The invention is based on the prior art that the existing seat before the sale of the finished product has too much material and is not conducive to the transportation stack for further improvement, so that the seat can be sold after the component is assembled. The packaging can be conveniently folded into a relatively small volume to facilitate the finished packaging of each chair, and the surrounding of the chair can be easily replaced and assembled by the consumer, so that the surrounding of the chair is equipped Can have a fairly maneuvering assembly trait.

The main purpose of the present invention is to include a front and a rear stand, a back frame, a back pad and a seat cushion for the foldable seat; wherein the preset height of the front stand is horizontal Across the section of the section, the two receiving portions are extended upwardly with a gap therebetween, and a notch is formed downwardly therebetween, and a lug penetrating through the hole is also formed at the same height of the left and right rod segments of the front leg. An abutting portion provided with a hole is formed between the portion and the adjacent lug, and the abutting portion of the rear leg is extended forwardly on the left and right sides so that the rear leg rests at A recessed sleeve can be inserted along the two receiving portions of the front leg, and the connecting portion is erected on the corresponding abutting portion, and the azimuth limit is applied by the screw, and the upper end of the rear leg is flanked by the respective segments Combined with a flexible bushing to allow the support rod section to be placed over the rear leg of the forefoot frame to be placed over the two lugs, and the borrowing is limited to one position: The upper ends of the left and right pole sections along the front leg are coupled with a back frame and azimuthally locked. In the front part of the back frame, a back pad can be combined; and at the upper end of the rear leg, the spacing is applied across the left and right sides of the bar to connect the unit so that one end of the connecting unit can be behind the seat cushion The part is made into a twist lock, and the other end is screwed with the pinning part interposed therebetween, and then the front end of the two pinning parts is fixed with the front part of the seat cushion; so that the seat made up is sold. In the previous packaging, the screw of the front and rear legs corresponding to the abutting portion and the connecting portion can be firstly removed, so that the rear leg of the combined seat cushion can be interlaced with the front leg of the backing pad. The folding allows the volume of the seat after folding to obtain a small footprint for the package.

A second object of the present invention is to form a seat on the side of the front leg of the forearm that is pivotally connected to the rear leg, at least one side of which can be erected with a handrail to match the shape of the table for azimuth bonding, and The forearm for erecting the handrail bar The outer periphery of the side lug is covered with a handrail cover in the form of a convex cover.

A third object of the present invention is to form a seat on the side of the front leg of the forearm that is pivotally connected to the rear leg, at least one side of which can be erected with a handrail bar to cooperate with the handrail plate of the required shape for azimuth bonding, and The forearm for erecting the handrail bar The outer periphery of the side lug is covered with a handrail cover in the form of a convex cover.

A fourth object of the present invention is to provide a roller or a cylinder for the components of the seat in the pivotal front and rear legs at the bottom end.

A fifth object of the present invention is to replace the air-backed mesh backing pad with the seat back frame that is coupled to the upper end of the front leg frame.

The seat composition of the present invention (such as the first and second figures) is such that the retractable seat (8) includes a front and rear legs (1, 2), a back frame (3), a back pad (4) and a seat cushion (5); wherein a front leg frame (1) spans at a predetermined height thereof (11) is extended upwardly from the two receiving portions (12), with a notch (121) formed downward therebetween, and a lug (13) extending through the hole (131) at the same height of the left and right rod segments of the forefoot (1), which is bounded by two The abutting portion (14) provided with the hole (141) extends rearwardly between the portion (12) and the adjacent lug (13), and the rod portion at the bottom end of the front leg frame (1) is sleeved. Into a flexible joint pipe section (15), to fit the branch (161) at one end of the roller (16) for tight insertion.

A rear stand (2), on the left and right sides of the straddle section (21) on the upper side thereof, extends forwardly from the engaging portion (22) so that the rear leg frame (2) is along the two legs along the front leg (1) The receiving portion (12) recesses the notch (121) to insert the energy and causes the engaging portion (22) to lie on the corresponding abutting portion (14) [such as the first and fourth figures], and applies the screw (23) Azimuth limitation, and at the upper end of the rear leg (2), the straddle section (21) is flanked by flexible bushings (24) to allow the support rod section (25) to be placed on the forefoot ( 1) The rear leg (2) between the receiving portions (12) is penetrated and slidably placed over the two lugs (13) by the upper cross section (21), and by the pin (26) The bearing section at the bottom end of the rear leg (2) is sleeved into a flexible connecting pipe section (15) to fit the branch (161) at one end of the roller (16). .

And at the upper end of the rear leg frame (2), the left and right sides of the rod segment (21) are covered at intervals to connect the unit (27), and the connecting unit (27) includes upper and lower clamping members (271, 272). And a lower end covering portion (273), wherein the top end of the upper clamping member (271) is formed with a groove (2711) to allow the end of the pinning portion (28) to be spanned [such as the fourth Figure], and the lower end of the cover member (273) can be corresponding to the upper clamping member (271) to cover the preset section of the rear leg (2) across the rod segment (21), and One end of the lower clamping member (272) is disposed in a higher orientation, which can be fitted to the rear portion of the seat cushion (5) and is rotated by the screw (51), and the other is The end [in this case, implemented by the front end] is disposed in a lower orientation and can be in contact with the pinning portion (28) spanning the groove (2711) of the upper clamping member (271) and the screw (51) The azimuth is locked, and the front ends of the two pinching portions (28) are fixed to the front portion of the seat cushion (5) by screws (51).

A chair back frame (3) extends a section of the pipe (31) downwardly from the left and right to allow the upper end of the left and right pole segments of the forefoot (1) to be properly tightly fitted and screwed (32) Azimuth locking, and a hollow area (33) is formed in the middle portion of the back frame (3), and the peripheral layer along the transparent area (33) is distributed with a plurality of hollows protruding only toward the front. The pipe section (34) allows the corresponding convex portion (41) formed by the rear portion of the back pad (4) to be cut and locked by the screw (32), and at the lower portion of the back frame (3). Both sides can be flattened by the cover (35).

In addition, the preset height of the inner layer of the front leg (1) and the outer layer of the rear leg (2) is a set of flexible mats (17) [such as the first, second and third figures] as the seat. The chair (8) can maintain a proper spacing between the front and rear legs (1, 2) when the stretched state is used or folded, without the friction of the pole segment, and avoiding the seat (8) being folded. The friction of adjacent segments occurs when they are displaced against each other.

The above-mentioned seat (8) consisting of the front and rear legs (1, 2), the back frame (3), the back pad (4), and the seat cushion (5) is used [as in the second, In the three-figure, the seat cushion (5) combined with the rear leg (2) can be displaced horizontally forward, and the back pad (4) connected to the front leg (1) can be slightly tilted backward. Comfortable to sit in.

For the seat (8) of this type, it is required to be stacked on each other when not in use [such as the fifth and sixth figures], which is a chair that only needs to be coupled to the two connecting units (27) of the rear leg (2). The pad (5) is erected upwards so that several seats (8) can be stacked one on top of the other.

The composition of the seat (8) of this type is implemented before being sold externally [as in the seventh and eighth figures], and the first and the rear legs (1, 2) are respectively screwed to the abutting portion (14) and The screw (23) of the connecting portion (22) is removed (such as the screw orientation of the sixth figure), so that the rear leg (2) of the seat cushion (4) can be coupled with the front foot of the back pad (4). The frame (1) is turned over for a large movement and is folded in a staggered manner (as shown in the seventh figure), so that the volume of the seat (8) after folding can obtain a small space for packaging, which is favorable for the space. transport.

The seat (8) of the pair may also be disposed in the front end of the pivoting front and rear legs (1, 2) at the bottom end of the roller (16) [as shown in the second figure]. After replacement, the column (18) is additionally used as a non-rolling type seat [as shown in the ninth figure].

In addition, the seat (8) of the pair may also be replaced by the back pad (4) [as shown in the second figure] which is originally joined to the front part of the front frame (3) of the front leg frame (1). Next, and separately combined with a breathable mesh back pad (4') [as shown in the tenth figure].

At least one side of the lug (13) on the front side frame (1) of the pair of seats (8) pivotally connected to the rear leg frame (2) is erectable with a handrail lever (61) [as shown in the eleventh figure] And by means of a screw (62), the azimuth lock is used to match the shape of the table (6) for orientation (such as the twelfth figure, the table is in a state of being pulled up), and the armrest bar is erected ( 61) Front foot frame (1) The outer periphery of the side lug (13) is covered with a handrail cover (19) in the form of a convex cover, and the side lug (13) of the handrail bar (61) is not covered. A handrail cover (19') in the form of a flat cover is provided.

The seat (8) is erected with a handrail lever (71) on at least one side of the front leg (1) of the front leg (1) pivotally connected to the rear leg (2) [as shown in the thirteenth figure] And azimuth locking by means of screws (72) to match the armrest plate (7) of the required form for orientation (as shown in Figure 14), and the forefoot frame (1) for erecting the handrail bar (71) The outer periphery of the side lug (13) is covered with a handrail cover (19) in the form of a convex cover, and the side lug (13) of the handrail bar (71) is covered with a handrail cover in the form of a flat cover ( 19').

The pair of seats (8) can be erected on both sides of the front leg (1) of the front leg (1) pivotally connected to the rear leg (2) with a handrail lever (71) [as shown in the fifteenth figure] And the azimuth lock is applied by the screw to match the armrest plate (7) of the required form, and the outer periphery of the lug on both sides of the front leg (1) of the armrest bar (71) is convexly convex. Cover arm cover (19).

[this invention]

(1). . . Forefoot

(11). . . Rod segment

(12). . . Undertaking department

(121). . . gap

(13). . . Lug

(131, 141). . . hole

(14). . . Abutment

(15). . . Link pipe segment

(16). . . Wheel

(161). . . Branch

(17). . . pad

(18). . . Cylinder

(19, 19'). . . Armrest cover

(2). . . Tripod

(twenty one). . . Across the pole

(twenty two). . . Connection

(23, 32, 51, 62, 72). . . Screw

(twenty four). . . bushing

(25). . . Support rod

(26). . . pin

(27). . . Link unit

(271). . . Upper clamping piece

(2711). . . Groove

(272). . . Lower clamping piece

(273). . . Overlay

(28). . . Restriction department

(3). . . Chair back frame

(31). . . Pipe section

(33). . . Clear area

(34). . . Hollow pipe section

(35). . . Cover

(4). . . Back cushion

(4'). . . Mesh back pad

(41). . . Convex

(5). . . Seat cushion

(6). . . desktop

(61, 71). . . Handrail

(7). . . Handrail board

(8). . . Seat

First: Schematic diagram of the disassembly of the seat of the present invention

Second picture: schematic view of the appearance of the seat assembly of the present invention

Third drawing: side view of the seat body of the present invention

The fourth picture: the detailed picture of the A part of the third picture

Fig. 5 is a side view showing a plurality of seats of the present invention stacked on each other

Figure 6: Detail of part B of the fifth picture

Figure 7: Schematic diagram of the seat of the present invention before being transported

Figure 8: Detail of the C part of the seventh picture

Ninth view: Schematic diagram of the implementation of the seat assembly of the present invention in the combination of the legs and the legs

Fig. 10 is a schematic view showing the implementation of the seat frame of the present invention combined with the mesh back pad in the seat back frame

Eleventh drawing: a schematic diagram of the implementation of the seat set body of the present invention combined with a single-sided table

Twelfth Figure: Schematic diagram of the present invention combined with a single side table of a seat

Thirteenth Figure: Schematic diagram of the implementation of the seat assembly of the present invention combined with a single-sided handrail

Figure 14: Side view of the seat assembly of the present invention combined with a single side armrest

Fifteenth Figure: Side view of the seat assembly of the present invention combined with double side armrests

(1). . . Forefoot

(11). . . Rod segment

(12). . . Undertaking department

(121). . . gap

(13). . . Lug

(131, 141). . . hole

(14). . . Abutment

(15). . . Link pipe segment

(16). . . Wheel

(161). . . Branch

(17). . . pad

(19'). . . Armrest cover

(2). . . Tripod

(twenty one). . . Across the pole

(twenty two). . . Connection

(23, 32, 51). . . Screw

(twenty four). . . bushing

(25). . . Support rod

(26). . . pin

(27). . . Link unit

(271). . . Upper clamping piece

(2711). . . Groove

(272). . . Lower clamping piece

(273). . . Overlay

(28). . . Restriction department

(3). . . Chair back frame

(31). . . Pipe section

(33). . . Clear area

(34). . . Hollow pipe section

(35). . . Cover

(4). . . Back cushion

(41). . . Convex

(5). . . Seat cushion

(8). . . Seat

Claims (5)

The utility model relates to a seat composition, which comprises a front and a rear leg frame, a back frame, a back pad and a seat cushion; and the preset height of the front leg frame extends across the pole section to extend upwards. The receiving portion is formed with a notch therebetween, and the lug penetrating through the hole is extended at the same height of the left and right rod segments of the front leg frame, and extends backwards between the two receiving portions and the adjacent lugs An abutting portion of the hole is provided; and the connecting portion of the rear leg is extended forwardly on the left and right sides so that the rear leg rests in a recess along the two receiving portions of the front leg The coupling portion can be erected on the corresponding abutment portion, and the azimuth limit is applied by the screw, and at the upper end of the rear leg frame, the two sides of the cross-bar segment are combined with a flexible bushing to allow the support rod segment The rear leg frame disposed between the receiving portions of the front leg frame can be traversed and smoothly erected at the two lug portions, and the borrowing pin is used for one position limitation: the upper ends of the left and right rod segments along the front leg frame are fitted with a chair The back frame is coupled and azimuthally locked, and the front part of the back frame can be combined The back pad; and the upper end of the rear leg frame is covered with a connecting unit across the left and right sides of the rod segment so that one end of the connecting unit can be rotated with the back portion of the seat cushion, and the other end is interspersed with The pinching part is used as a twist lock, and the front end of the two pinching parts is fixed with the front part of the seat cushion; the seat of the composition can be locked before and after the front for sale. The screws corresponding to the abutting portion and the connecting portion are removed, so that the rear leg frame combined with the seat cushion can be folded and folded with the front leg frame of the backing pad, so that the seat can be stacked after the folding. Get a small footprint that is good for packaging. The seat composition as described in claim 1 of the patent scope, wherein the seat of the composition At least one side of the lug on the side of the forearm pivotally connected with the rear leg can be erected with a handrail bar to match the shape of the table, and the outer leg of the side lug is provided on the forearm of the handrail bar. Cover the armrest cover in the form of a convex cover. The seat composition of claim 1, wherein the seat of the composition is erected with a handrail at least on one side of the front leg of the forearm pivotally connected with the rear legrest to match the handrail of the required form. The plate is combined with the abutment, and the outer periphery of the side lug of the handrail bar is covered with a handrail cover in the form of a convex cover. The seat composition of claim 1, wherein the seat portion of the seat in the pivotal front and rear legs at the bottom end is configured to be assembled with a roller or a cylinder. The seat composition of claim 1, wherein the seat of the composition is coupled to the front end of the front frame of the front leg and is replaceable and combined with a breathable mesh back pad.