CN201123565Y - Seat stack structure - Google Patents

Abstract

The utility model provides a seat stack structure. The seat comprises a sitting part for sitting and a plurality of supporting parts; the sitting part and the supporting parts are connected; the supporting parts extend toward the bottom end of the sitting part, the bottom end of each supporting part is provided with a wheel part, the lengths of the supporting parts outside the wheel part form a supporting section; the wheel part is provided with an internal space toward the sitting part and an external space toward the outside of the sitting part; the wheel part comprises a connecting block and a wheel body, the connecting block is provided with a supporting groove toward the internal space, the supporting groove is corresponding to the supporting section; and the connecting block horizontally extends to the external space to assemble the wheel body which prevents the connecting block from being supported during the stacking and can freely rotate. The seat stack structure is not easy to cause the seat to tilt by external force, can avoid the destruction from the force, and can ensure that the seat keeps the state of perpendicular stack and can not tilt forward, so the stack can be high, thereby saving the space.

Description

The seat stack architecture

[technical field]

The utility model relates to a kind of seat, relates in particular to a kind of seat stack architecture.

[background technology]

Modern very general to the use of chair, the manufacturing technology of chair also is tending towards diversification, has at organization of human body Demand Design person, as Ergonomic side chair, massage armchair.Have at the functional need designer, as computer chair, folding chaise longue, maybe can repeatedly put seat etc.But general old-fashioned chair utilization seat portion combines with many microscler support portions, portion provides seat by seat, the support portion is used for supporting and on average sharing the load-carrying of seat portion transmission, if during mobile chair, this kind chair must be mentioned and move to and desire the place's of being located placement, if move number of times when frequent, then allow the people feel fatigue easily or not anti-, therefore occurred having roller so that the design of mobile chair.

Existing portable chair sees also U.S. Patent number D390712 number, and its body is to utilize a seat portion bottom to be connected with an end of a support bar, this support bar other end tool one supporting disk.Described supporting disk extends many microscler extension rods outward, and described extension rod one end articulates a wheel body.The load-carrying that said structure transmits seat portion can be passed to supporting disk by support bar, is evenly distributed to the wheel body of extension rod by supporting disk and is transmitted to ground, and reach the effect of mobile body through the rolling of wheel body.Another portable chair commonly used sees also U.S. Patent number 4057288, its body tool one seat portion, the described seat portion a plurality of support portions of bottom tool, the support portion is microscler and the one end articulates a wheel body, therefore can on average transmit the wheel body of load-carrying by this seat portion to the support portion, and reach the effect of mobile body via the rolling of wheel body, and its both sides, seat portion bottom are provided with cross bar, but thereby can provide support and storehouse by described cross bar.Another portable chair commonly used sees also the TaiWan, China patent announcement number M276524 number, a kind of armchair structure improvement includes first spike and second spike, one chair back, one back of the body bar, one pedestal, described first, the inboard, top of second spike is provided with storage tank, storage tank one side is provided with screw, stay tube and seat stay before described screw is sealed, and seat stay central authorities are provided with perforating, the central side of preceding stay tube is established screw and hole slot, the screw and back of the body bar one end screw of stay tube in the hole slot of stay tube and before sealed before entering the perforating of seat stay and back of the body bar one end and be embedded in for back of the body bar, and a back of the body bar and a cover bulk structure, and in preceding, the seat stay top is provided with screw with a sealed pedestal, and then makes first, second spike reaches the function of handrail.

Yet, though portable chair design more than commonly used has wheel body removable, but if when chair does not use, generally take in mode for the mode that adopts chair and change mutually to save the space, work as substrate by a chair, again with other chair lower end storehouse and bed hedgehopping in regular turn, but therefore the space that the chair of above-mentioned tool support bar can not Gong insert because of its lower end can't adopt the mode of storehouse it is taken in.

Though other two kinds of portable chair bottoms commonly used are crossed the space that can Gong insert by the support portion, but because its bottom, support portion is articulated with wheel body, therefore when storehouse, the chair that wheel body is easy to follow the below to work as substrate is replaced and is damaged each other, and wheel body is because of being a pivotable state, its structural strength is lower, so the wheel body pivot points is subjected to the gravity extruding when crooked, then its functions of pivoting possibly can't be used, and make chair can only toward crooked direction move or even can not move, even and seat portion bottom has cross bar to support usefulness as storehouse, but its cross bar excessive bed hedgehopping easily when making storehouse with the certain distance of seat portion tool, and the storehouse effect is restricted, and the portable chair of this kind need use cross bar to make manufacturing cost higher for storehouse, but the storehouse effect is bad, also can't reduce its space amount of accounting for naturally.

Extremely shown in Figure 10 as Fig. 8, this kind portable chair commonly used is when storehouse, the wheel body of top chair and the wheel body of below chair are because of replacing each other, and make the comparatively perk of the chair other end, and allow body present toward the sign that leans forward, then because of the storehouse center of gravity continues reach overturning takes place easily if continue storehouse, so its storehouse effect is very not good, it is limited not only to save Space, and the appearance that leans forward during the body storehouse allows the people produce sense of insecurity and the potential danger that overturning is arranged.

Above-mentioned various portable chair, because of the bottom is provided with wheel body, this wheel body will counteract when the chair storehouse is taken in, or make the chair can't storehouse, maybe will damage wheel body, or folded high effect limit to some extent.

[utility model content]

Technical problem to be solved in the utility model is to provide a kind of seat stack architecture, and it is difficult for collision when being easy to storehouse location and storehouse and damages.

For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of seat stack architecture is provided, and its seat comprises a seat portion and a plurality of support portion; Described seat portion is for falling to sitting, and described seat portion is connected with the support portion; Wherein, extend to seat portion bottom described support portion, and described support portion is provided with one in the bottom and takes turns portion, and described support portion forms one with the length beyond the wheel portion and supports only section; The described portion of taking turns establishes an inner space towards the direction of seat portion, and wheel portion part beyond seat portion is established a space outerpace; The described portion of wheel comprises a contiguous block and a wheel body, and the direction of described contiguous block in the inner space is provided with one and support ends groove, described support end groove with support end section corresponding; Described contiguous block extends laterally to when the space outerpace group is set up defences only storehouse and is replaced and wheel body free to rotate.

Compared with prior art, the seat of the utility model seat stack architecture is to form the up state of storehouse of taking advantage of a situation when storehouse, and this hour wheel portion support to end groove just with the only section corresponding engaging of supporting of its seat support portion down, thereby make the seat of top produce the effect that engages the location, and do not allow to be subject to the external force promotion and make seat turn over the seat of below; This fastening state can make wheel portion be arranged at contiguous block one bottom face and towards the wheel body at space outerpace place again, do not replace with any assembly of last push-down stack seat, and avoid the situation of stress destruction, and make seat can keep the state of vertical stack and do not lean forward, but therefore storehouse is very high and have more the function of saving the space.

[description of drawings]

Fig. 1 is the schematic perspective view of the utility model one preferred embodiment.

Fig. 2 is the enlarged diagram of middle wheel portion embodiment illustrated in fig. 1.

Fig. 3 is a cross-sectional schematic embodiment illustrated in fig. 1.

Fig. 4 is a use schematic diagram embodiment illustrated in fig. 1.

Fig. 5 is a use cross-sectional schematic embodiment illustrated in fig. 1.

Fig. 6 is the enlarged diagram that middle wheel portion embodiment illustrated in fig. 1 fastens state.

Fig. 7 is a seat storehouse schematic diagram embodiment illustrated in fig. 1.

Fig. 8 is the portable chair of using always.

Fig. 9 is another kind of portable chair commonly used.

Figure 10 is the enlarged diagram of the portable chair wheel portion that uses always.

[specific embodiment]

In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

Seeing also Fig. 1 to Fig. 3, is a preferred embodiment of the utility model seat stack architecture, and described seat comprises a seat portion 2 and a plurality of support portion 3.Described seat portion 2 is for sitting usefulness, its rectangular flat and depression slightly, the weight that can on average bear the user by seat portion 2, and its slightly tool depression attitude allow the user can be above more comfortable docile being sitting in.The described seat of vicinity portion 2 is provided with one by portion 21, and forming than the right angle angle with seat portion 2 by portion 21 is big L shaped shape.When therefore the user is seated in seat portion 2, its back just can cosily be resisted against by portion 21, and user's weight major part falls within the seat portion 2, therefore be center of gravity with seat portion 2 with leaning on portion 21 junctions, the user is resisted against the moment that the moment that caused by portion 21 produces in seat portion 2 less than the user, thereby the situation of unlikely generation overturning.Described seat portion 2 is connected with a handrail 22, therefore when the user falls to being seated at seat, arm can be held up and be against handrail 22 places, and can loosen health, and comply with to some extent about also can experiencing psychologically and wait upon and do not have the sensation of desiring to fall, and is more comfortable when making seat.

Described support portion 3 is arranged at the bottom surface of seat portion 2, it transmits user's weight that seat portion 2 is born for support is also average, and this support portion 3 is extended and is strip to seat portion 2 bottoms, can hold in the palm high seat portion 2 and when allowing the user be located, its knee slightly is parallel and sitting posture tool the most comfortable with seat portion 2.The end that extend to seat portion 2 bottoms described support portion 3 is pivoted and one takes turns portion 31, wheel portion 31 is an inner space to the direction of seat portion 2, and wheel portion 31 is a space outerpace to the direction of seat portion 2 with the external space, wheel portion 31 tools, one contiguous block 310, contiguous block 310 rectangular bulks, and contiguous block 310 is provided with one to ending groove 311 in also contiguous towards the inner space with 3 groups of places of establishing, support portion, described is circular-arc to ending groove 311, it is used for supporting the fastening position, and the described contiguous block 310 bottom face that 3 groups are established in relative support portion and extend and a wheel body 312 is set towards space outerpace, wheel body 312 can free turn, thereby can drive seat by wheel body 312 and move.The length of described support portion 3 beyond wheel portion 31 is established one and is supported only section 32, corresponding to the shape of ending groove 311 to ending section 32 with wheel portion 31, thereby support to end section 32 and end the effect that the location can be provided when groove 311 engage with supporting, in the present embodiment, support and end section 32 and be the skewed of cooperation resistance groove 311.And therefore described wheel body 312 and wheel portion 31 will produce skew for being pivoted when wheel body 312 pivots, thereby the drive seat moves toward the direction that wheel body 312 is offset.When the storehouse seat, because being positioned at wheel portion 31 tools, wheel body 312 supports a relative bottom portion of ending groove 311, and make wheel body 312 be positioned at the space outerpace place, therefore end groove 311 with when only section 32 engages when supporting, wheel body 312 will not replaced with any assembly of last push-down stack seat, to ensure the service life of wheel body 312.

Described seat is when using, see also Fig. 4 to Fig. 7, the mode of its storehouse is to utilize the bottom of a seat seat portion 2 to place in the seat portion 2 of another seat, this moment top seat by portion 21 also fold in the below seat by before the portion 21, therefore form the up state of storehouse of taking advantage of a situation; And when this stack states, the groove 311 that support to end of wheel portion 31 just ends section 32 corresponding engagings with supporting of its seat support portion 3 down, thereby the seat above making engages the effect of location with the seat generation of below, and does not allow to be subject to the external force promotion and make seat turn over.Wheel body 312 is arranged on support portion 3 and is pivoted towards the space outerpace place and with the contiguous block 310 of wheel portion 31 again, therefore when the storehouse seat, because being positioned at wheel portion 31 tools, wheel body 312 supports a relative bottom portion of ending groove 311, and make wheel body 312 be positioned at the space outerpace place, therefore end groove 311 with when only section 32 engages when supporting, wheel body 312 will not replaced with any assembly of last push-down stack seat, and avoid the situation of stress destruction, and make seat can keep the state of vertical stack and do not lean forward, but therefore storehouse is very high and have more the function of saving the space.

Can learn in the use situation by described seat, the wheel portion 31 of seat 3 one ends in the support portion is provided with to support towards the place, inner space ends groove 311, can end section 32 with supporting of being provided with of length beyond portion 31 be taken turns in support portion 3 and engage by support ending groove 311, thereby by the engaging function when making the seat storehouse, but strong fix seat up and down, and make it keep center of gravity state down, and be difficult for when being subjected to external force making seat turn over and cause danger, and, wheel body 312 supports a relative bottom portion of ending groove 311 because being positioned at wheel portion 31 tools, and make this wheel body 312 be positioned at the space outerpace place, therefore during the storehouse seat, wheel body 312 will not replaced with any assembly of last push-down stack seat, certainly can not damage yet, will produce skew when this wheel body 312 pivots again, thereby can drive the direction of seat towards wheel body 312 skews because of being collided.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (6)

1. seat stack architecture, described seat comprises a seat portion and a plurality of support portion; Described seat portion is for falling to sitting, and described seat portion is connected with the support portion; It is characterized in that: extend to seat portion bottom described support portion, and described support portion is provided with one in the bottom and takes turns portion, and described support portion forms one with the length beyond the wheel portion and supports only section; The described portion of taking turns establishes an inner space towards the direction of seat portion, and wheel portion part beyond seat portion is established a space outerpace; The described portion of wheel comprises a contiguous block and a wheel body, and the direction of described contiguous block in the inner space is provided with one and support ends groove, described support end groove with support end section corresponding; Described contiguous block extends laterally to when the space outerpace group is set up defences only storehouse and is replaced and wheel body free to rotate.

2. seat stack architecture as claimed in claim 1 is characterized in that: the described section of support ending is to cooperate to support and ends the skewed of groove.

3. seat stack architecture as claimed in claim 1 or 2 is characterized in that: described wheel body articulates the wheel portion that is rotatably provided in.

4. seat stack architecture as claimed in claim 1 or 2 is characterized in that: described seat portion is connected by a portion and a handrail with one.

5. seat stack architecture as claimed in claim 3 is characterized in that: described seat portion is connected by a portion and a handrail with one.

6. seat stack architecture as claimed in claim 1 or 2 is characterized in that: described seat portion is the recess of being convenient to seat.

Images