CN214072581U - Chair - Google Patents

Abstract

The application discloses a seat, which comprises a base, a support and a seat surface arranged on the support; the support includes a plurality of struts connected to the base and capable of being pivotally gathered and deployed. The seat has simple structure, can be easily folded and unfolded, and is very convenient to use and carry.

Description

Chair

Technical Field

The application relates to the field of seating, in particular to a seat.

Background

In the prior art, the seats have various structures, and a plurality of seats have a folding function for convenient carrying. The folding structure of these seats among the prior art is more complicated, and pipe fitting and the link piece among the folding structure use more, and not only heavy bulky, folding expansion process is all comparatively hard moreover, and it is not very convenient to use.

Disclosure of Invention

In order to provide a seat of a novel structure, the application provides a seat.

In order to solve the technical problem, the technical scheme adopted by the application is as follows:

a seat comprises a base, a bracket and a seat surface arranged on the bracket;

the support comprises a plurality of supporting rods connected with the base, wherein any one supporting rod can be gathered and separated by the rest supporting rods in a pivoting mode.

Preferably, at least one of the plurality of joints between the seat and the bracket is detachable.

Preferably, a locking member is provided at least at one detachable connection between the seat and the bracket.

Preferably, the stent comprises a first front strut, a second front strut, a first rear strut and a second rear strut;

the first front supporting rod, the second front supporting rod and the second rear supporting rod are all pivoted with the base;

the first rear supporting rod is fixedly connected with the base;

the first front supporting rod, the second front supporting rod and the second rear supporting rod can be folded towards the first rear supporting rod in a pivoting mode and unfolded reversely.

Preferably, the base has a first space, a second space and a third space for the first front strut, the second front strut and the second rear strut to pivot, respectively;

the base further includes a positioning mechanism for restraining the first front support bar, the second front support bar, and the second rear support bar in the stowed position and the deployed position.

Preferably, one end of the first front supporting rod and the base are pivoted in the first space, the other end of the first front supporting rod is connected with the chair surface, and a first supporting part for supporting on the ground is arranged between the two ends of the first front supporting rod;

one end of the second front supporting rod and the base are pivoted in the second space, the other end of the second front supporting rod is connected with the chair surface, and a second supporting part used for supporting the ground is arranged between the two ends of the second front supporting rod;

one end of the first rear supporting rod is fixedly connected with the base, the other end of the first rear supporting rod is connected with the chair surface, and a third supporting part for supporting the first rear supporting rod on the ground is arranged between the two ends of the first rear supporting rod;

one end of the second rear supporting rod is pivoted with the base in the third space, one end of the second rear supporting rod is connected with the chair seat, and a fourth supporting portion used for supporting the seat on the ground is arranged between the two ends of the second rear supporting rod.

Preferably, the first front supporting rod comprises a first cross rod and a first vertical rod, one end of the first cross rod and the base are pivoted in the first space, the other end of the first cross rod is connected with the lower end of the first vertical rod or is of an integrated structure, and the upper end of the first vertical rod is connected with the chair surface;

the second front supporting rod comprises a second cross rod and a second vertical rod, one end of the second cross rod and the base are pivoted in the second space, the other end of the second cross rod is connected with the lower end of the second vertical rod or is of an integrated structure, and the upper end of the second vertical rod is connected with the chair surface;

the first rear supporting rod comprises a third cross rod and a third vertical rod, one end of the third cross rod is fixedly connected with the base, the other end of the third cross rod is connected with the lower end of the third vertical rod or is of an integrated structure, and the upper end of the third vertical rod is connected with the chair surface;

the rear second supporting rod comprises a fourth cross rod and a fourth vertical rod, one end of the fourth cross rod is pivoted with the base in the third space, the other end of the fourth cross rod is connected with the lower end of the fourth vertical rod or is of an integrated structure, and the upper end of the fourth vertical rod is connected with the chair surface.

Preferably, the upper ends of the third and fourth uprights are higher than the upper ends of the first and second uprights.

Preferably, the third vertical rod is divided into two or more sections which are detachably connected;

the fourth vertical rod comprises two or more sections which are detachably connected.

Preferably, when the bottom of the base is supported on a horizontal surface, at least one of the first support portion, the second support portion, the third support portion, and the fourth support portion is located above the horizontal surface.

Compared with the prior art, the application has the beneficial effects that: the seat has simple structure, can be easily folded and unfolded, and is very convenient to use and carry.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

FIG. 1 is a schematic perspective view of an embodiment of a seat of the present application after deployment;

FIG. 2 is a partial cross-sectional view of an embodiment of the seat of the present application as stowed;

FIG. 3 is a partial cross-sectional view of an embodiment of a seat of the present application;

FIG. 4 is a partial cross-sectional view of an embodiment of a seat of the present application as deployed;

FIG. 5 is a partial schematic structural view of an embodiment of a seat of the present application;

FIG. 6 is a schematic view of a semi-folded configuration of an embodiment of the seat of the present application;

FIG. 7 is a schematic structural view of an embodiment of the seat of the present application when stowed;

FIG. 8 is a partial schematic structural view of an embodiment of a seat of the present application when stowed;

figure 9 is a partial exploded view of an embodiment of the seat of the present application.

In the figure: 1. a base, 2, a support, 3, a chair seat, 4, a first pivot shaft, 5, a second pivot shaft, 6, a third pivot shaft, 7, an elastic rope, 101, a first cavity, 102, a second cavity, 103, a third cavity, 104, a first gathering limiting surface, 105, a first unfolding limiting surface, 106, a first gathering convex part, 107, a first unfolding convex part, 108, a second gathering limiting surface, 109, a second unfolding limiting surface, 1010, a second gathering convex part, 1011, a second unfolding convex part, 1012, a third gathering limiting surface, 1013, a third unfolding limiting surface, 1014, a third gathering convex part, 1015, a third unfolding convex part, 201, a first front support rod, 202, a second front support rod, 203, a first rear support rod, 204, a second rear support rod, 205, a first support part, 206, a second support part, 207, a third support part, 208, a fourth support part, 301, a backrest part, 302, a third support part, a second support part, a third support part, 208, a third support part, a fourth support, Seat, 303, sleeve, 304, connecting piece, 305, locking piece, 306, elastic bulge.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As shown in fig. 1-9, the present application provides an embodiment of a seat comprising a base 1, a support 2, and a seat surface 3 disposed on the support 2;

the stent 2 comprises a first front strut 201, a second front strut 202, a first rear strut 203 and a second rear strut 204, the base 1 having a first cavity 101, a second cavity 102 and a third cavity 103.

One end of the first front supporting rod 201 is pivoted with the base 1 through the first pivot shaft 4 in the first cavity 101, the other end of the first front supporting rod 201 transversely extends to form a first cross rod, and then is bent upwards and extends to form a first vertical rod, the bent part of the first front supporting rod 201 can be directly used as a first supporting part 205 supported on the ground, in this instance, in order to protect the first front supporting rod 201 and improve the stability of the seat, the bent part of the first front supporting rod 201 is provided with a foot pad as the first supporting part 205 supported on the ground.

One end of the second front supporting rod 202 is pivotally connected to the base 1 through a second pivot shaft 5 in the second cavity 102, and the first pivot shaft 4 is parallel to the second pivot shaft 5. The other end of the second front supporting rod 202 extends laterally to form a second cross rod, and then bends upward and extends to form a second vertical rod, the bent part of the second front supporting rod 202 can directly serve as a second supporting portion 206 supported on the ground, in this example, in order to protect the second front supporting rod 202 and improve the stability of the seat, a foot pad is disposed at the bent part of the second front supporting rod 202 to serve as the second supporting portion 206 supported on the ground.

One end of the first rear supporting rod 203 is inserted into one hole of the base 1 and is fixedly connected with the base 1, the other end of the first rear supporting rod 203 transversely extends to form a third cross rod, and then is bent upwards and extends to form a third vertical rod, the bent part of the first rear supporting rod 203 can be directly used as a third supporting part 207 which is supported on the ground, in this example, in order to protect the first rear supporting rod 203 and improve the stability of the seat, a foot pad is arranged at the bent part of the first rear supporting rod 203 and is used as the third supporting part 207 which is supported on the ground.

One end of the second rear supporting rod 204 is pivotally connected to the base 1 through a third pivot shaft 6 in the third cavity 103, and the first pivot shaft 4 is parallel to the third pivot shaft 6. The other end of the second rear strut 204 extends transversely to form a fourth cross bar, and then bends upwards and extends to form a fourth vertical strut, the bent part of the second rear strut 204 can directly serve as a fourth supporting part 208 supported on the ground, in this example, in order to protect the second rear strut 204 and improve the stability of the seat, the bent part of the first front strut 201 is provided with a foot pad as the fourth supporting part 208 supported on the ground.

The base 1 further comprises a positioning mechanism, the positioning mechanism comprises a first gathering limiting face 104 and a first unfolding limiting face 105, when the first cross rod rotates around the first pivot shaft 4 and approaches to the third cross rod, the first cross rod can be finally blocked by the first gathering limiting face 104, the first cross rod is located at the gathering position at the moment, in this instance, the first cross rod is a cylindrical rod, so the first gathering limiting face 104 is a cylindrical face attached to the first cross rod, a first gathering protruding portion 106 is further arranged near the first gathering limiting face 104, when the first cross rod approaches to the gathering position, the first cross rod needs to slightly force to cross the first gathering protruding portion 106, so that the first cross rod is blocked by the first gathering limiting face 104 and the first gathering protruding portion 106, the first cross rod cannot easily leave the gathering position, and stability of the support 2 during gathering is guaranteed. When the first cross rod rotates around the first pivot shaft 4 and is far away from the third cross rod, finally the first cross rod can be blocked by the first unfolding limiting surface 105, the first cross rod is located at the unfolding position at the moment, the first unfolding limiting surface 105 is a cylindrical surface attached to the first cross rod, a first unfolding protruding portion 107 is further arranged near the first unfolding limiting surface 105, when the first cross rod is close to the unfolding position, the first cross rod needs to slightly force to stride the first unfolding protruding portion 107, so that the first cross rod is clamped by the first unfolding limiting surface 105 and the first unfolding protruding portion 107, the first cross rod cannot easily leave the unfolding position, and the stability of the support 2 during unfolding is ensured. In this example, the first cross bar is substantially parallel to the third cross bar when in the stowed position and the angle of rotation of the first cross bar from the stowed position to the deployed position is substantially 90 °.

The positioning mechanism comprises a second gathering limiting face 108 and a second unfolding limiting face 109, when the second cross rod rotates around the second pivot shaft 5 and approaches to the third cross rod, the second cross rod can be finally blocked by the second gathering limiting face 108, and the second cross rod is located at the gathering position at the moment. When the second cross rod rotates around the second pivot shaft 5 and is far away from the third cross rod, finally the second cross rod can be blocked by the second unfolding limiting surface 109, the second cross rod is located at the unfolding position at the moment, the second unfolding limiting surface 109 is a cylindrical surface attached to the second cross rod, a second unfolding protruding portion 1011 is further arranged near the second unfolding limiting surface 109, when the second cross rod is close to the unfolding position, the second cross rod needs to slightly force to stride the second unfolding protruding portion 1011, so that the second cross rod is clamped by the second unfolding limiting surface 109 and the second unfolding protruding portion 1011, the second cross rod cannot easily leave the unfolding position, and the stability of the support 2 during unfolding is ensured. In this example, the second cross bar is substantially parallel to the third cross bar when in the stowed position and the first cross bar is rotated through an angle of substantially 180 ° from the stowed position to the deployed position.

The positioning mechanism comprises a third gathering limiting surface 1012 and a third unfolding limiting surface 1013, when the fourth cross rod rotates around the third pivot shaft 6 and approaches the third cross rod, the fourth cross rod can be finally blocked by the third gathering limiting surface 1012, and the fourth cross rod is located at the gathering position at the moment. When the fourth cross bar rotates around the third pivot shaft 6 and is far away from the third cross bar, finally the fourth cross bar is blocked by the third unfolding limiting surface 1013, the fourth cross bar is located at the unfolding position, the third unfolding limiting surface 1013 is a cylindrical surface fitted with the fourth cross bar, a third unfolding protrusion 1015 is further arranged near the third unfolding limiting surface 1013, when the fourth cross bar is close to the unfolding position, the fourth cross bar needs to slightly force to stride the third unfolding protrusion 1015, so that the fourth cross bar is clamped by the third unfolding limiting surface 1013 and the third unfolding protrusion 1015, the fourth cross bar cannot easily leave the unfolding position, and the stability of the support 2 during unfolding is ensured. In this example, the fourth cross bar is substantially parallel to the third cross bar when in the stowed position and the first cross bar is rotated through an angle of substantially 90 ° from the stowed position to the deployed position. When the first cross rod and the second cross rod are gathered, the rotating directions of the second cross rod and the fourth cross rod are consistent, and the rotating direction of the first cross rod is opposite to the rotating direction of the second cross rod and the fourth cross rod.

If the heights of the upper ends of the first upright, the second upright, the third upright and the fourth upright are approximately the same, the seat can only be sat on but cannot be leaned on, in this example, the lengths of the third upright and the fourth upright are greater than those of the first upright and the second upright, so that the upper ends of the third upright and the fourth upright are higher than those of the first upright and the second upright. The seat surface 3 comprises a backrest 301 and a seat 302 made of flexible materials, the lower side of the backrest 301 is connected with the rear side of the seat 302 into a whole, the upper side of the backrest 301 is fixedly connected with the upper ends of the third upright stanchion and the fourth upright stanchion, in this example, the upper side of the backrest 301 is provided with two sleeves 303, and the two sleeves 303 are respectively sleeved on the upper ends of the third upright stanchion and the fourth upright stanchion and fixed. The seat 302 is provided with two connectors 304 at the front side thereof, and the two connectors 304 are respectively sleeved on the upper ends of the first vertical rod and the second vertical rod. The connecting element 304 connected to the second upright is also provided with a locking element 305, and the upper end of the second upright is provided with an elastic projection 306 which cooperates with the locking element 305, the elastic projection 306 is inserted into the recess of the connecting element 304 when the connecting element 304 is fitted to the second upright, and the button pushes the elastic projection 306 out of the recess when the button on the locking element 305 is pressed, so that the connecting element 304 can be detached from the second upright. The upper end of the first vertical rod is fixedly connected with another connecting piece 304.

Because the length of third pole setting and fourth pole setting is longer, so in order to further reduce occupation space when folding up, in this example, the third stand divide into two sections of pegging graft each other, still connects through elastic cord 7 between two sections, when tearing open the third stand into two sections, elastic cord 7 can guarantee that two sections can not thoroughly break away from, conveniently carries. The fourth upright post is divided into two sections which are mutually spliced, the two sections are also connected through the elastic rope 7, and when the fourth upright post is split into the two sections, the elastic rope 7 can ensure that the two sections cannot be thoroughly separated, so that the fourth upright post is convenient to carry.

In this example, the four supports are in the same plane, and the bottom of the base 1 is below this plane, so that when the bottom of the base 1 is supported on a horizontal plane, there will be two supports above the horizontal plane, so that the user can swing the chair on this, improving the comfort of the chair.

The above description is only for the purpose of illustrating embodiments of the present invention and is not intended to limit the scope of the present invention, and all modifications, equivalents, and equivalent structures or equivalent processes that can be used directly or indirectly in other related fields of technology shall be encompassed by the present invention.

Claims (10)

1. A seat is characterized by comprising a base, a bracket and a seat surface arranged on the bracket;

the support comprises a plurality of supporting rods connected with the base, wherein any one supporting rod can be gathered and separated by the rest supporting rods in a pivoting mode.

2. The seat according to claim 1, wherein:

at least one of the joints of the seat and the bracket can be disassembled and assembled.

3. The seat according to claim 2, wherein:

the chair surface and the bracket are at least provided with a locking piece at one detachable connection part.

4. A seat according to any one of claims 1 to 3, wherein:

the bracket comprises a first front supporting rod, a second front supporting rod, a first rear supporting rod and a second rear supporting rod;

the first front supporting rod, the second front supporting rod and the second rear supporting rod are all pivoted with the base;

the first rear supporting rod is fixedly connected with the base;

the first front supporting rod, the second front supporting rod and the second rear supporting rod can be folded towards the first rear supporting rod in a pivoting mode and unfolded reversely.

5. The seat according to claim 4, wherein:

the base is provided with a first space, a second space and a third space which are respectively used for the pivoting of the first front supporting rod, the second front supporting rod and the second rear supporting rod;

the base further includes a positioning mechanism for restraining the first front support bar, the second front support bar, and the second rear support bar in the stowed position and the deployed position.

6. The seat according to claim 5, wherein:

one end of the first front supporting rod and the base are pivoted in the first space, the other end of the first front supporting rod is connected with the chair surface, and a first supporting part for supporting the first front supporting rod on the ground is arranged between the two ends of the first front supporting rod;

one end of the second front supporting rod and the base are pivoted in the second space, the other end of the second front supporting rod is connected with the chair surface, and a second supporting part used for supporting the ground is arranged between the two ends of the second front supporting rod;

one end of the first rear supporting rod is fixedly connected with the base, the other end of the first rear supporting rod is connected with the chair surface, and a third supporting part for supporting the first rear supporting rod on the ground is arranged between the two ends of the first rear supporting rod;

one end of the second rear supporting rod is pivoted with the base in the third space, one end of the second rear supporting rod is connected with the chair seat, and a fourth supporting portion used for supporting the seat on the ground is arranged between the two ends of the second rear supporting rod.

7. The seat according to claim 6, wherein:

the first front supporting rod comprises a first cross rod and a first vertical rod, one end of the first cross rod and the base are pivoted in the first space, the other end of the first cross rod is connected with the lower end of the first vertical rod or is of an integrated structure, and the upper end of the first vertical rod is connected with the chair surface;

the second front supporting rod comprises a second cross rod and a second vertical rod, one end of the second cross rod and the base are pivoted in the second space, the other end of the second cross rod is connected with the lower end of the second vertical rod or is of an integrated structure, and the upper end of the second vertical rod is connected with the chair surface;

the first rear supporting rod comprises a third cross rod and a third vertical rod, one end of the third cross rod is fixedly connected with the base, the other end of the third cross rod is connected with the lower end of the third vertical rod or is of an integrated structure, and the upper end of the third vertical rod is connected with the chair surface;

the rear second supporting rod comprises a fourth cross rod and a fourth vertical rod, one end of the fourth cross rod is pivoted with the base in the third space, the other end of the fourth cross rod is connected with the lower end of the fourth vertical rod or is of an integrated structure, and the upper end of the fourth vertical rod is connected with the chair surface.

8. The seat according to claim 7, wherein:

the upper ends of the third vertical rod and the fourth vertical rod are higher than the upper ends of the first vertical rod and the second vertical rod.

9. The seat according to claim 8, wherein:

the third upright stanchion is divided into two or more sections which are detachably connected;

the fourth vertical rod comprises two or more sections which are detachably connected.

10. The seat according to claim 9, wherein: when the bottom of the base is supported on a horizontal plane, at least one of the first support part, the second support part, the third support part and the fourth support part is positioned above the horizontal plane.

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