TWM490814U - Foldable chair - Google Patents

Description

Folding chair

The present invention relates to a folding chair, and more particularly to a folding chair in which the foot bar can stand upright and rest.

There are a wide variety of types and types of folding chairs. The folding chair disclosed in the new patent No. 451656 mainly comprises four foot bars that can stand upright toward the center, and one of which is mounted on the foot bars. Between the sets of cushions. The folding chair of this structure is widely loved by consumers because of its small volume after folding.

However, in view of the fact that the folding chair which can be erected and rested in the center of the foot is installed, the supporting effect on both sides of the cushion is relatively weak. If a seat rod is attached on both sides to support the seat of the cushion, although it can be improved The overall structural strength, but after folding, the seat rods will protrude upwards, which is not conducive to collection and handling. Therefore, in the case of adding a seat bar, the height of the folding chair after folding is not increased, and the type of the folding chair is designed to be improved.

The purpose of the present invention is to provide a folding chair that is stable in ride and does not increase the height of the component after it is folded.

The folding chair of the present invention can be in a deployed position and a folded position Inter-conversion, and includes two side frame units, and two transverse units that can be unfolded and retractably connected to the side frame units, each side frame unit includes a front foot bar, a rear foot bar, and a Expanding and retractingly connecting the front leg and the side leg of the rear leg, and a seat bar assembly having a guiding seat mounted on the rear leg and a mounting on the guiding seat a guiding structure, a seat rod guided by the guiding structure and slidable, and a seat rod pivot pivotally mounted on the side connecting assembly.

The folding chair of the present invention is designed such that the pivotal position of the seat bar of the seat bar assembly can also be replaced before and after, that is, the seat bar assembly has a guiding seat, a seat bar and a device mounted on the rear foot bar. A guiding structure for guiding the seat bar to slide on the side connecting component, and a seat pivot pivoting the seat bar to be pivotally mounted on the guiding seat.

The beneficial effect of the present invention is that the design of the seat bar assembly of the side frame units can reduce the protruding height of the seat bars of the side frame units when the folding chair position is in the folding position.

1‧‧‧Side frame unit

11‧‧‧ Rear foot

12‧‧‧Front foot

13‧‧‧Connected components

131‧‧‧ front bushing

132‧‧‧ front fixed sleeve

133‧‧‧ rear bushing

134‧‧‧ rear fixing sleeve

135‧‧‧ Side Link

136‧‧‧ side pivot

137‧‧‧ seated rod

14‧‧‧ seat rod assembly

140‧‧‧ Guide seat

141‧‧‧ Fixed Department

142‧‧‧ pivoting sleeve

143‧‧‧ seat rod

144‧‧‧ seat rod pivot

145‧‧‧Guide structure

146‧‧‧Guide

147‧‧‧ pivotal department

148‧‧‧ rudder

14A‧‧‧ Sidewall

14B‧‧‧ bottom wall

14C‧‧‧ bridge wall

14D‧‧‧Close hole

16‧‧‧Handrails

161‧‧‧Axis pivot

162‧‧‧Hands

163‧‧‧Card Department

164‧‧‧set card slot

165‧‧‧Clamp slot

2‧‧‧cross unit

21‧‧‧ feet

22‧‧‧cross link

23‧‧‧ transverse pivot

3‧‧‧ sets of mats

31‧‧‧The Department of Riding

32‧‧‧Relying department

33‧‧‧Connecting Department

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a perspective view of a first preferred embodiment of the present invention; FIG. A partial perspective view of one embodiment of the present invention mainly illustrates a partial structure of a seat bar assembly of the folding chair; FIG. 3 is another partial perspective view of the first preferred embodiment, mainly illustrating a front bushing of the folding chair and the seat The relative relationship of the rod assemblies; Figure 4 is a side elevational view of the first preferred embodiment, omitting the set of pads of the folding chair, the folded seat in the figure is in a deployed position; Figure 5 is a side view similar to Figure 4, in the figure The folding chair is in a folding position; FIG. 6 is a side view similar to FIG. 5, illustrating a second preferred embodiment of the folding chair of the present invention; FIG. 7 is a partial perspective view of the second preferred embodiment. FIG. 8 is a partial cross-sectional view showing the second preferred embodiment of the second preferred embodiment, illustrating a guiding structure of the folding chair; and FIG. 9 is a view similar to FIG. In the view, the folded seat is in the folded position.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1, 2 and 3, a first preferred embodiment of the present folding chair is convertible between a deployed position and a folded position, and includes: two left and right spaced side frame units 1, two front and rear settings And transversely connecting the transverse unit 2 of the side frame units 1 and a sleeve 3 fitted to the side frame units 1. Each of the side frame units 1 includes: an upright rear footrest 11, an upright footrest 12 having an upright length smaller than the rear footrest 11, and a side link assembly 13 that crosslinks the rear footrest 11 and the front footrest 12 A seat rod assembly 14 and an armrest 16.

The side connecting members 13 of the side frame units 1 have a slidable The front sleeve 131 sleeved on the front foot rod 12, a front fixing sleeve 132 located below the front sleeve 131 and fixedly mounted on the front foot rod 12, and a slidably sleeved on the rear foot a rear sleeve 133 on the rod 11, a rear fixing sleeve 134 fixedly mounted on the rear foot rod 11, two side connecting rods 135 disposed at an intersection, and a plurality of rod ends respectively of the side connecting rods 135 The front bushing 131 and the rear fixing sleeve 134 are pivotally connected to the side pivot 136 between the rear bushing 133 and the front fixing sleeve 132. Wherein, the front sleeve 131 has a seat rod groove 137 with an opening facing upward and located inside the front foot rod 12.

In this embodiment, the seat rod assembly 14 has a guide seat 140 fixedly mounted on the rear foot rod 11 and projecting inwardly, a seat rod 143 located on the inner side of the front foot rod 12 and the rear foot rod 11, and a seat rod The seat rod 143 is pivotally mounted to the seat shaft pivot 144 on the front sleeve 131, and a guiding structure 145 is disposed on the guiding seat 140. The guiding seat 140 has a fixed ground. a fixing portion 141 mounted on the rear leg 11, and a pivot sleeve 142 pivotally mounted inside the fixing portion 141. In the embodiment, the guiding structure 145 is a closed annular sleeve hole. It is disposed on the pivot sleeve portion 142 and extends forward and backward. The guiding structure 145 can be a non-circular closed hole or a matching form of the chute and the plug, in addition to the annular closed hole form as disclosed in the embodiment.

The seat rod 143 has a guiding portion 146 passing through the guiding structure 145, a pivoting portion 147 for the seat rod pivot 144 to pass through and mounted on the front sleeve 131, and a position The pivoting portion 147 is forwardly supported by the rest portion 148 of the seat sleeve 131 of the front bushing 131. And the armrest 16 has a rotatable mounting on the rear foot 11 The shaft pivot portion 161, a handle portion 162 that is slidably disposed in front of the shaft pivot portion 161, and a sleeve portion 163 located in front of the handle portion 162, the shaft pivot portion 161 and the sleeve portion 163 Located on the opposite side of the hand rest 162, the card portion 163 has a card slot 164 and a clip slot 165.

Each of the transversely connected units 2 of the present embodiment includes two legs 21 respectively installed before the side frame units 1 and the bottom ends of the rear legs 12 and 11, two cross links 22 disposed at the intersections, and a plurality of respectively The two rod ends of the horizontal links 22 are pivotally disposed on one of the legs 21 and the transverse pivots 23 between one of the front and rear sleeves 131, 133. The bolster 3 includes a seat portion 31 supported between the seat bars 143 of the side frame units 1, a rest portion 32 supported between the rear foot bars 11 of the side frame units 1, and a connection. The seat portion 31 and the connecting portion 33 of the reclining portion 32.

Referring to Figures 2, 3 and 4, in the deployment position shown in Figures 1 and 4, the distance between the footrest 12 and the rear footrest 11 of the side frame unit 1 is the widest at this time. The top edge of the front leg 12 is caught in the sleeve groove 164 of the armrest 16. The seat bar 143 of the side frame unit 1 is inclined forward and backward, and the guiding portion 146 passes through the guiding structure 145. The pivoting portion 147 of the rod 143 is pivotally mounted on the front sleeve 131 by the seat pivot 144. The rest portion 148 of the seat rod 143 rests in the seat rod groove 137 of the front sleeve 131. .

Referring to Figures 1, 4 and 5, when the folding chair of the present embodiment is to be switched from the deployed position of Figure 4 to the folded position shown in Figure 5, the leading edge of the armrest 16 of the side frame unit 1 is first raised. Pulling the card portion 163 of the armrest 16 away from the top edge of the front leg 12, and then the side frame unit 1 The rest portion 148 of the seat rod 143 is pulled up, and the seat rod 143 can pivot about the seat rod pivot 144, and the rest portion 148 of the seat rod 143 also leaves the front sleeve 131. The seat rod rests on the groove 137. When the rest portions 148 of the seat bars 143 of the side frame units 1 are pivoted upwards, the front and rear foot bars 12 and 11 of the side frame units 1 will gradually abut each other, and finally folded as shown in FIG. 5 . In the illustrated state, at this time, the guiding portions 146 of the seat bars 143 of the side frame units 1 also slide downward. Since the hand rest portion 162 of the armrest 16 of the side frame unit 1 is pivotally coupled to the shaft pivot portion 161, the hand rest portion 162 of the armrest 16 can be placed beside the rear foot bar 11 or the rear side. When the rear foot 11 is caught in the clamping groove 165 of the locking portion 163 of the armrest 16, the armrest 16 of the side frame unit 1 can also be slidably coupled to the rear foot 11 without shaking.

Referring to Figures 6, 7, and 8, a second preferred embodiment of the present novel folding chair has a configuration similar to that of the first preferred embodiment, except that the seat lever 143 of the seat bar assembly 14 of the present embodiment has a pivoting portion 147 adjacent to the rear end, and a guiding portion 146 adjacent to the front portion, and the lever pivot 144 is a pivoting portion 147 passing through the seat rod 143 and the guiding seat 140, the seat rod assembly The guide structure 145 of the 14 is disposed on the front sleeve 131 and the guide portion 146 of the seat rod 143 is slid therein. In the preferred embodiment, the guiding structure 145 is located inside the front sleeve 131 and has two inner and outer parallel side walls 14A, one bottom wall 14B connected to the front and lower sides of the side walls 14A, and one connected to The bridging wall 14C of the rear side of the side wall 14A, and a sleeve hole 14D defined by the side wall 14A, the bottom wall 14B and the bridge wall 14C, the sleeve hole 14D is from the front upper side to the lower side extend.

When the folding chair is to be rotated from the deployed position of FIG. 6 to the folding position of FIG. 9 , the seat lever 143 of the seat bar assembly 14 will rotate with the seat lever pivot 144 as a fulcrum, and The guiding portion 146 of the seat rod 143 is also slipped by the limit of the sleeve hole 14D of the guiding structure 145 provided on the front sleeve 131. That is, the difference between the second preferred embodiment of the present invention and the first preferred embodiment is that the pivoting portion 147 of the seat rod 143 of the first preferred embodiment is disposed on the front sleeve adjacent to the front end of the folding chair. 131, and the pivoting portion 147 of the seat rod 143 of the second preferred embodiment is disposed on the guiding seat 140 adjacent to the rear end of the folding chair.

It can be seen from the above description that the folding chair of the present invention not only has a novel structure, but the design of the seat bar assembly 14 of the side frame unit 1 can improve the stability of the sleeve 3 after being erected, and avoid the position of the folding chair 1 When the folding position of the seat frame 143 of the side frame unit 1 is too high, the volume and height of the folding chair after folding are increased, so the present invention is indeed a novel and practical folding chair.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

1‧‧‧Side frame unit

11‧‧‧ Rear foot

12‧‧‧Front foot

13‧‧‧Connected components

131‧‧‧ front bushing

132‧‧‧ front fixed sleeve

133‧‧‧ rear bushing

134‧‧‧ rear fixing sleeve

135‧‧‧ Side Link

136‧‧‧ side pivot

14‧‧‧ seat rod assembly

140‧‧‧ Guide seat

143‧‧‧ seat rod

144‧‧‧ seat rod pivot

146‧‧‧Guide

147‧‧‧ pivotal department

148‧‧‧ rudder

16‧‧‧Handrails

161‧‧‧Axis pivot

162‧‧‧Hands

163‧‧‧Card Department

2‧‧‧cross unit

21‧‧‧ feet

22‧‧‧cross link

23‧‧‧ transverse pivot

3‧‧‧ sets of mats

31‧‧‧The Department of Riding

32‧‧‧Relying department

33‧‧‧Connecting Department

Claims (14)

A folding chair convertible between a deployed position and a collapsed position, and includes: two side frame units, each side frame unit including a front foot bar, a rear foot bar, and an expandable and collapsible a side connecting assembly connecting the front foot bar and the rear foot bar, and a seat bar assembly having a guiding seat mounted on the rear foot bar, a guiding structure disposed on the guiding seat, and a guiding structure a seat rod guided by the guiding structure and sliding, and a seat pivot pivoting the seat rod to the side joint assembly in a pivotable manner; and two transverse joint units, front and rear, and The side frame units are expandably and retractably connected. The folding chair according to claim 1, wherein the guide seat of the seat frame assembly of the side frame unit has a fixing portion fixedly mounted on the rear foot bar, and a pivotally mounted portion of the fixing portion The upper pivot sleeve is disposed on the pivot sleeve. The folding chair of claim 2, wherein each side connector of the side frame unit has a front bushing slidably fitted over the front leg, and a fixed mounting on the front leg a front fixing sleeve, a rear sleeve slidably sleeved on the rear foot rod, a rear fixing sleeve fixedly mounted on the rear foot rod, and two cross-arrangements and pivotally mounted on the front axle Between the sleeve and the rear sleeve, and a side link between the rear sleeve and the front sleeve, and the seat rod has a pivot pivoting in front of the seat rod a pivoting portion on the sleeve. The folding chair according to claim 3, wherein the front side of the side frame unit has a seat-side groove with an opening upward, and the seat bars further have a frame in front of the pivoting portion. Abutment; when the folding chair is in the deployed position, the rest portions of the seat bars are respectively seated in the seating grooves of the front bushings. The folding chair according to claim 4, wherein each of the transversely connected units includes two feet respectively mounted on the front or rear leg of the side frame unit, and two cross-links disposed at an intersection, and A plurality of transverse links are pivotally mounted on one of the legs and a transverse pivot between one of the front and rear bushings. The folding chair according to claim 1 or claim 5, wherein each of the side frame units further includes an armrest having a shaft pivot portion rotatably mounted on the rear foot rod, and a handrail a handle portion mounted on the pivot portion of the shaft, and a sleeve portion coupled to the handle portion and opposite to the pivot portion of the handle portion, the sleeve portion having a sleeve The card slot, when the folding chair position is in the deployed position, the top edge of the front leg of the side frame unit is caught in the card slot of the armrest. The folding chair according to claim 6, wherein the card portion of the armrest of the side frame unit further has a clamping slot, and when the folding chair position is in the folding position, the side frame unit is followed by the foot bar holder It is placed in the clip slot of the armrest. A folding chair as claimed in claim 1 or claim 5, wherein the After the side frame unit, the length of the foot bar is greater than the length of the front foot bar, and the folding chair further comprises a sleeve, the sleeve includes a seat portion supported between the seat bars of the side frame units, and a support portion The side frame unit is followed by a leaning portion between the foot bars, and a connecting portion connecting the seat portion and the leaning portion. A folding chair convertible between a deployed position and a collapsed position, and includes: two side frame units, each side frame unit including a front foot bar, a rear foot bar, and an expandable and collapsible a side link assembly connecting the front foot bar and the rear foot bar, and a seat bar assembly having a guide seat mounted on the rear foot bar, a seat bar, and a side mount assembly a guiding structure capable of guiding the seat bar to slide, and a seat pivot pivoting the seat bar to be pivotally mounted on the guiding seat; and two transverse connecting units, front and rear, and deployable And the side frame units are connected to the collapsed ground. The folding chair of claim 9, wherein the seat bar of the seat bar assembly has a pivoting portion adjacent to the rear and pivotally pivoted on the guiding seat by the lever, and a front adjacent A guide guided by the guiding structure. The folding chair according to claim 10, wherein each of the side frame units further includes an armrest having a shaft pivot portion rotatably mounted on the rear foot rod, and a swingable mounting portion a hand rest on the pivot and a combination with the hand And the sleeve portion of the pivot portion on the opposite side of the hand rest portion, the sleeve portion has a sleeve groove, and when the folding chair position is in the deployed position, the side frame unit is before the foot rod The top edge sleeve is stuck in the sleeve of the armrest. The folding chair according to claim 11, wherein the card portion of the armrest of the side frame unit further has a clamping slot, and when the folding chair position is in the folding position, the side frame unit is followed by the foot bar holder It is placed in the clip slot of the armrest. The folding chair of claim 12, wherein the length of the leg after the side frame unit is greater than the length of the front leg, and the folding chair further comprises a sleeve, the sleeve comprising a support on the sides a seat portion between the seat bars of the frame unit, an abutment portion between the foot bars supported by the side frame units, and a connecting portion connecting the seat portion and the abutment portion. The folding chair of claim 10, wherein each side connector of the side frame unit has a front bushing slidably sleeved on the front leg, and the guide structure of the seat bar assembly Provided on the inner side of the front sleeve, and having two inner and outer parallel side walls, a bottom wall connected between the front and lower sides of the side walls, a bridge wall connected between the upper and lower sides of the side walls, and a bridge wall The side wall, the bottom wall and the bridge wall are jointly defined by the sleeve hole, and the sleeve hole extends obliquely from the front upper side to the lower side.