TWM552772U - Foldable chair - Google Patents

Description

Folding chair

This creation is about a folding chair.

In today's society, outdoor activities such as camping have prospered, and the market for outdoor products has been greatly expanded. Among them, chairs are indispensable for outdoor activities, and for the convenience of carrying and storage, outdoor activities often use folding chairs, in addition to outdoor activities, folding The chair can also be used as a temporary guest seat in the home for a wide range of uses.

For example, both the patents TW M506538 and TW M543628 disclose a typical folding chair with an X-shaped cross between the armrest and the leg, thereby folding the seat back and the seat surface. Although the structure is easy to operate, the volume is still large after folding. And the structural strength is insufficient.

Patent TW M501188 and TW M535027 disclose a folding chair of another structure, which connects the legs with more pivotal structures to achieve a smaller storage volume, which can improve the disadvantage of the above-mentioned folding chair storage volume is too large, but the structure The intensity is even less.

In addition, most of the conventional folding chairs are not as comfortable as ordinary chairs, and the structure is generally unstable, which is necessary for improvement.

The main purpose of this creation is to provide a folding chair that can be completely unwound and then rolled up to achieve a minimum storage volume, and has the advantages of comfort and structural stability.

In order to achieve the above object, the present invention provides a folding chair comprising a seat assembly, a seat back assembly, two support assemblies, a front crossbar, a rear crossbar, a front arc bar, a rear bar and an upper arc bar. .

The seat cover assembly includes a soft and deformable seat surface and two first brackets respectively disposed at opposite ends of the seat surface in parallel with each other; the seat back assembly includes a soft and deformable chair a second bracket, the second brackets are respectively disposed at opposite ends of the seat back in parallel with each other, and the second brackets are respectively pivotally connected to the two first brackets, so that the seat surface and the seat back are Each of the support assemblies includes an armrest, a front leg and a rear leg, and opposite ends of the armrest are respectively pivotally connected to a top end of the front leg and a middle portion of one of the second brackets, and a middle portion of the front leg Connecting to one of the first brackets, the top end of the rear leg is pivotally connected to an intermediate portion of the armrest; the front crossbar is detachably disposed between the two front legs, and the rear crossbar is detachably disposed on the two rear legs The front arc bar and the upper arc bar are respectively arc-shaped, and the opposite ends of the front arc bar are detachably pivoted to the ends of the two first brackets farther from the seat back assembly and can be opposite to the seat surface The assembly is free to rotate, and the opposite ends of the rear rod are detachably pivoted The two first brackets are farther away from the end of the front arc bar, and the opposite ends of the upper arc bar are respectively detachably pivoted to the ends of the second brackets farther away from the seat assembly to be freely opposite to the seat back assembly Rotating; wherein, when the seat back assembly and the seat assembly are pivoted from each other, the armrests, the front legs and the rear legs of each of the support assemblies are engaged with each other, and the front arc bar corresponds to the position of the upper arc bar.

In this way, the folding chair provided by the present invention has a very small storage volume, and the assembly and folding are extremely simple, and the structural strength and comfort are maintained.

The following is a description of possible implementations of the present invention by way of example only, and is not intended to limit the scope of the creation of the present invention.

Referring to FIGS. 1 through 6, the present invention provides a folding chair comprising a seat assembly 10, a seat back assembly 20, two support assemblies 30, a front crossbar 41, a rear crossbar 42 and an arc bar set.

The seat cover assembly 10 includes a soft and deformable seat surface 11 and two first brackets 12 respectively disposed at opposite ends of the seat surface 11 in parallel with each other; the seat back assembly 20 includes a a soft and deformable back 21 and two second brackets 22 are respectively disposed at opposite ends of the seat back 21 in parallel with each other, and the second brackets 22 and the first bracket 12 are respectively The support member 30 includes a handrail 31, a front leg 32 and a rear leg 33. The opposite ends of the armrest 31 are respectively pivotally connected to the front leg 32. And a middle portion of the second bracket 22, a middle portion of the front leg 32 is pivotally connected to one of the first brackets 12, and the top end of the rear leg 33 is pivotally connected to a middle portion of the armrest 31; The rod 41 is detachably disposed between the two front legs 32. The rear rail 42 is detachably disposed between the two rear legs 33. The arc rod group includes a front arc rod 51, a rear rod 52 and an upper arc a rod 53, the front arc rod 51, the rear rod 52 and the upper arc rod 53 are respectively arcuate (in other possible embodiments, the rear rod may also be The two ends of the front arbor 51 are detachably pivotally connected to the ends of the two first brackets 12 away from the seat back assembly 20 to be freely rotatable relative to the seat assembly 10, respectively. The opposite ends of the rear rod 52 are detachably pivoted to the ends of the two first brackets 12 away from the front arc rod 51. The opposite ends of the upper shaft rod 53 are detachably pivoted to the second and second portions respectively. The bracket 22 is freely rotatable relative to the seat back assembly 20 away from the end of the seat assembly 10; wherein, when the seat back assembly 20 and the seat assembly 10 are pivoted from each other, the armrests of each of the support assemblies 30 31. The front leg 32 and the rear leg 33 are folded together, and the front arc bar 51 corresponds to the upper arc bar 53 position.

In this embodiment, the seat surface 11 and the seat back 21 are respectively cloth surfaces. However, in other possible embodiments, the seat surface and the seat back may be other materials such as a plastic cushion, as long as The softness of the seat and the back of the chair can be rolled up.

In addition, the two first brackets 12 are respectively provided with a slot 121 and a hole 122 at an end thereof away from the seat back assembly 20, and a pivoting positioning member 123 is disposed beside the slot 121, and the front axle 51 is disposed. Each of the two ends has a pin member 511. The pin member 511 of one end of the front arc bar 51 is inserted into the hole 122, and the pin member 511 of the other end is inserted into the slot 121 and positioned by the positioning member 123. The two second brackets 22 are also provided with a slot 221 and a hole 222 at an end thereof away from the seat assembly 10, and a slot 221 is disposed adjacent to the slot 221 The pivoting positioning member 223 has a pin member 531 at each end of the upper arc bar 53. The pin member 531 of one end of the upper arc bar 53 is inserted into the hole 222, and the pin member 531 at the other end is inserted into the pin member 531. The slot 221 is positioned by the positioning member 223 and cannot be easily detached from the slot 221, whereby the front arc lever 51 and the upper arc lever 53 can be quickly and stably mounted to the first bracket 12 and the second bracket 221 The bracket 22 is maintained to be free to pivot.

The two ends of the second bracket 12 adjacent to the seat back assembly 20 respectively have a hook portion 125, and opposite ends of the rear rod 52 respectively have a pin member 521 and are respectively respectively engaged with the hook portion 521. 125, and since the rear rod 52 is used to prevent the user from sitting down, the seat surface 11 is deformed by weight, and is not mainly used for structural support. Therefore, the positioning members such as the front arc rod 51 and the upper arc rod 53 may not be provided. For positioning, it is only necessary to make the pivotal joint of the seat assembly 10 and the seat back assembly 20 not to be inwardly retracted by weight.

On the other hand, the front crossbar 41 includes a rod body 411 and two swing arms 412 respectively. The two swing arms 412 are respectively pivoted to the rod body 411 at a predetermined distance from opposite ends thereof, and the two front legs 32 are respectively The inner side surface is provided with a through hole 321 , and opposite ends of the rod body 411 are respectively inserted into the two through holes 321 , and the free ends of the two swing arms 412 are respectively detachably positioned to the two front legs 32 and located at the rod body 411 . The lower portion (for example, each of the swing arms has a hole for a protruding post on the front leg, wherein the protruding post is located on a front side of the front leg), and the rear cross bar 42 also includes a rod 421 And the two swing arms 422 are respectively pivoted to the rod body 421 at a predetermined distance from opposite ends thereof, and the two rear legs 33 are respectively provided with a through hole on the inner side thereof, and opposite ends of the rod body 421 Inserted in the two through holes, the free ends of the two swing arms 422 are respectively detachably positioned to the two rear legs 33 and located below the rod body 421 (for example, each of the swing arms has a hole for being sleeved on the rear foot) a stud on the upper side, wherein the stud is located on the side of the rear leg facing rearward, thereby ensuring The distance between the front leg 32 and rear leg 33, but also to avoid disintegration.

In addition, a stop member 124 is disposed on one side of the first bracket 12 adjacent to the back cover assembly 20, and the rear leg 33 is blocked by the stopper 124 and cannot be pivoted further backward. The stop member 124 can be a cylinder on the rear side of the rear leg 33. Preferably, the stop member 124 is pivotally connected to the rear leg 33.

In particular, the lower end of each of the armrests 31 has a relatively small width. The front legs 32 and the rear legs 33 are respectively provided with a long slot 322, 331 near the end of the armrest 31. When the support assembly 30 is pivoted, the The lower end of the armrest 31 is fitted into the two long grooves 322 and 331, so that the armrest 31 is more closely folded with the front leg 32 and the rear leg 33, and the storage thickness is further reduced, as shown in FIG.

In addition, a device such as a cup holder 60 can be detachably provided on the armrest 31 to facilitate the convenience of use.

In use, the front arc bar 51, the upper arc bar 53 and the rear bar 52 help to ensure the width between the two first brackets 12 or the two second brackets 22 to avoid deformation and disassembly, and because of its curved shape and freely pivotable Turning, when the user sits down and leans back, the front arc 51 and the upper arc 53 can slightly deform the seat surface 11 and the seat back 21 to fit the body curve and ergonomics, and the rear rod 52 further ensures The structure is firm and safe.

When the seat back assembly 20 and the seat assembly 10 are simply pivoted together, the front axle 51 and the upper axle 53 together form a handle for carrying by the user, as shown in FIG.

Most importantly, most of the components of the creation (including the support assembly 30, the front crossbar 41, the rear crossbar 42, and the arcuate set) can be removed and folded, and the remaining seat assembly 10 and backrest The assembly 20 can also be pivoted, and even since the seat surface 11 and the seat back 21 are made of a soft material, the seat assembly 10 and the seat back assembly 20 can be further rolled up and folded, and can also be rolled up. The removed parts are entangled together to achieve a very small storage volume, which is easy to carry and store.

In summary, the folding chair provided by the present invention has many advantages such as easy assembly and storage, comfort, firmness and light weight, and is particularly excellent in the safety measures for preventing deformation and disintegration of the folding chair, and is extremely advanced.

10‧‧‧Seat components
11‧‧‧ Chair
12‧‧‧First bracket
121‧‧‧ slotting
122‧‧‧ hole
123‧‧‧ Positioning parts
124‧‧‧stops
125‧‧‧Hook
20‧‧‧Backrest components
21‧‧‧Back of the chair
22‧‧‧second bracket
221‧‧‧ slotting
222‧‧‧ hole
223‧‧‧ positioning parts
30‧‧‧Support components
31‧‧‧Handrail
32‧‧‧Front foot
321‧‧‧ Perforation
322‧‧‧Long slot
33‧‧‧ hind feet
331‧‧‧Long slot
41‧‧‧front rail
411‧‧‧ rod body
412‧‧‧ swing arm
42‧‧‧ Rear rail
421‧‧‧ rod body
422‧‧‧ swing arm
51‧‧‧ front arc
511‧‧ ‧ sales
52‧‧‧ Rear rod
521‧‧ ‧ sales
53‧‧‧Upper pole
531‧‧ ‧ sales
60‧‧‧ cup holder

Figure 1 is a perspective view of the creation. Figure 2 is a perspective view of another angle of the present creation. Figure 3 is an exploded perspective view of the present creation. Figure 4 is a side view of the creation. Figure 5 is a side view of the creation of the creation. Figure 6 is a schematic diagram of the creation of the creation.

10‧‧‧Seat components

11‧‧‧ Chair

12‧‧‧First bracket

20‧‧‧Backrest components

21‧‧‧Back of the chair

22‧‧‧second bracket

30‧‧‧Support components

31‧‧‧Handrail

32‧‧‧Front foot

33‧‧‧ hind feet

41‧‧‧front rail

411‧‧‧ rod body

412‧‧‧ swing arm

42‧‧‧ Rear rail

51‧‧‧ front arc

52‧‧‧ Rear rod

53‧‧‧Upper pole

60‧‧‧ cup holder

Claims (10)

A folding chair comprising: a chair assembly comprising a soft and deformable seat and two first brackets, the two first brackets being respectively disposed in parallel with each other at opposite ends of the seat; a seat back assembly, The second bracket is respectively disposed at the opposite ends of the seat back in parallel with each other, and the second brackets are respectively pivotally connected to the two first brackets, so that the second brackets are respectively disposed in parallel with each other. The support surface and the back of the chair can be pivoted relative to each other; the support assembly includes a handrail, a front leg and a rear leg, and opposite ends of the armrest are respectively pivotally connected to the top end of the front leg and one of the second brackets a middle portion of the forefoot pivotally connected to one of the first brackets, the top end of the rear leg being pivotally connected to a middle portion of the armrest; a front crossbar and a rear crossbar, the front crossbar being detachable The ground rail is disposed between the two front legs, the rear crossbar is detachably disposed between the two rear legs; a front arc bar, a rear bar and an upper arc bar, wherein the front arc bar and the upper arc bar are arcs respectively The opposite ends of the front arc rod are detachably pivoted to the first two The bracket is freely rotatable relative to the seat assembly, and the opposite ends of the rear rod are respectively detachably pivoted to an end of the two first brackets farther away from the front axle, the upper arc The opposite ends of the rod are respectively detachably pivoted to the ends of the second brackets farther away from the seat assembly to be freely rotatable relative to the seat back assembly; wherein, when the seat back assembly and the seat assembly are pivoted to each other When lifting, the armrests, the front legs and the rear legs of each of the support assemblies are folded together, and the front arc bar corresponds to the position of the upper arc bar. The folding chair of claim 1, wherein the seat surface and the seat back are respectively cloth bodies. The folding chair of claim 1, wherein the two first brackets are respectively provided with a slot and a hole at an end thereof away from the seat back assembly, and a pivotable positioning member is disposed beside the slot. One end of the arc rod is inserted into the bore, and the other end is placed in the slot and is positioned by the positioning member and cannot be easily detached from the slot. The folding chair of claim 1, wherein the two second brackets are respectively provided with a slot and a hole at an end thereof away from the seat assembly, and a pivotable positioning member is disposed beside the slot. One end of the arc rod is inserted into the bore, and the other end is placed in the slot and is positioned by the positioning member and cannot be easily detached from the slot. The folding chair of claim 1, wherein the front crossbar comprises a rod body and a second swing arm, wherein the two swing arms are respectively pivoted to the rod body at a predetermined distance from opposite ends thereof, wherein the two front feet are respectively The inner side surface is provided with a through hole, and opposite ends of the rod body are respectively inserted into the two through holes, and the free ends of the two swing arms are respectively detachably positioned to the two front feet and located below the rod body. The folding chair of claim 1, wherein the rear crossbar comprises a rod body and a second swing arm, wherein the two swing arms are respectively pivoted to the rod body at a predetermined distance from opposite ends thereof, wherein the two rear legs are respectively The inner side surface is provided with a through hole, and opposite ends of the rod body are respectively inserted into the two through holes, and the free ends of the two swing arms are respectively detachably positioned to the two rear feet and located below the rod body. The folding chair according to any one of claims 1 to 6, wherein the two ends of the two first brackets are respectively provided with a hook portion near the back of the seat back assembly, and opposite ends of the rear rod are respectively hooked on the two hook portions. . The folding chair according to any one of the preceding claims, wherein the lower end of each of the armrests has a thinner width, and the front legs and the rear legs are respectively provided with a long slot near the end of the armrest, and the support assembly pivots The lower end of the armrest is embedded in the two long slots, so that the armrest is more closely folded with the forefoot and the rear foot. A folding chair according to any one of claims 1 to 6, wherein at least one of the handrails is detachably provided with a cup holder. The folding chair according to any one of claims 1 to 6, wherein each of the first brackets is provided with a stopper near an end surface of the seat back assembly, and the rear leg is blocked by the stopper and cannot be further moved. Rear pivoting.