Seat

Abstract

The utility model discloses a seat, which comprises a seat cushion and a seat cushion, a backrest; the connecting mechanism comprises a seat cushion connecting piece, a connecting shaft and a backrest connecting piece, the seat cushion connecting piece is connected to the seat cushion, the connecting shaft is connected to the seat cushion connecting piece, the connecting shaft is connected with at least one stopping piece, and the backrest connecting piece is connected to the backrest and can rotate relative to the connecting shaft so that the backrest can have a first position and a second position; when the backrest is located at the first position, the backrest connecting piece is stopped by the stopping piece; when the backrest is located at the second position, the backrest is attached to the seat cushion. The connecting mechanism is formed by assembling the seat cushion connecting piece, the connecting shaft and the backrest connecting piece, the seat cushion connecting piece, the connecting shaft and the backrest connecting piece are convenient to machine, the connecting mechanism is simple in installation structure, small in size and low in cost, the seat cushion connecting piece can be conveniently connected to the seat cushion, and the backrest connecting piece can be conveniently connected to the backrest; the production efficiency and the production quality are improved, and meanwhile, the formed seat is light and convenient to carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field especially relates to a seat. BACKGROUND

[0002] The seat is a kind of seat, it has extensive use.For avoiding seat to occupy storage space, there also appears the seat that can be stored, but the foldable part of existing seat is mostly formed by machining, and processing is complicated and the processing cost is high;Secondly, the folding part formed by machining is inconvenient to install when being installed with seat cushion and backrest due to its clumsiness, and the seat formed is large and cumbersome in space occupation and is not convenient to carry. SUMMARY

[0003] In view of the prior art, the utility model aims at providing a seat.

[0004] In order to achieve the above-mentioned purpose, the technical scheme provided by an embodiment of the utility model is as follows:

[0005] A seat, comprising:

[0006] a seat cushion;

[0007] a backrest;

[0008] a connecting mechanism, comprising a seat cushion connecting piece, a connecting shaft and a backrest connecting piece, the seat cushion connecting piece is connected to the seat cushion, the connecting shaft is connected to the seat cushion connecting piece, the connecting shaft is connected with at least one stop piece, the backrest connecting piece is connected to the backrest and can rotate relative to the connecting shaft so that the backrest has a first position and a second position, when the backrest is located at the first position, the backrest connecting piece is stopped by the stop piece;When the backrest is located at the second position, the backrest is attached to the seat cushion.

[0009] As a further improvement of the utility model, the seat cushion connecting piece comprises a seat cushion connecting part, at least one first hinged part connected to the seat cushion connecting part, the seat cushion connecting part is connected to the seat cushion, the backrest connecting piece comprises a backrest connecting part, at least one second hinged part connected to the backrest connecting part, the backrest connecting part is connected to the backrest, the second hinged part and the first hinged part are hollow inside, the second hinged part and the first hinged part are arranged adjacent to each other, and the connecting shaft extends into the first hinged part and the second hinged part.

[0010] As a further improvement of the utility model, at least one limiting shaft is connected between the connecting shaft and the seat cushion connecting piece, one end of the limiting shaft is inserted into the connecting shaft and is connected with the connecting shaft, the other end of the limiting shaft is located in the first hinged part, the second hinged part is provided with a through slot, the through slot is communicated with the inside of the second hinged part, the stopper comprises a stop shaft, one end of the stop shaft is inserted into the connecting shaft and is connected with the connecting shaft, the other end of the stop shaft protrudes out of the connecting shaft and can be clamped with the through slot to stop the second hinged part.

[0011] As a further improvement of the utility model, the connecting shaft is hollow, at least one first mounting hole group and at least one second mounting hole group are arranged in the connecting shaft, the first mounting hole group comprises a first through hole and a first threaded hole arranged correspondingly with the first through hole, and the second mounting hole group comprises a second through hole and a second threaded hole arranged correspondingly with the second through hole.

[0012] As a further improvement of the utility model, the stop shaft is arranged upwardly and obliquely.

[0013] As a further improvement of the utility model, a first gasket is arranged between the first hinged part and the second hinged part.

[0014] As a further improvement of the utility model, the seat cushion connecting part is in L shape.

[0015] As a further improvement of the utility model, the number of the first hinged parts is three, and the number of the second hinged parts is two.

[0016] As a further improvement of the utility model, the outer ends of the two first hinged parts located on the outside are sequentially provided with a second gasket and a fastener, the fastener abuts against the second gasket and is locked in the end part of the connecting shaft.

[0017] As a further improvement of the utility model, the fastener is externally provided with a shielding piece.

[0018] The utility model has the advantages of:

[0019] (1) the connecting mechanism of the utility model is assembled by a seat cushion connecting piece, a connecting shaft and a backrest connecting piece, the seat cushion connecting piece, the connecting shaft and the backrest connecting piece are convenient to process, the connecting mechanism has simple installation structure, small size and low cost, can conveniently connect the seat cushion connecting piece to the seat cushion and the backrest connecting piece to the backrest, improves production efficiency and production quality, and makes the formed seat light and portable.

[0020] (2) The first gusset is arranged between the first hinge part and the second hinge part, and the first gusset is arranged to facilitate forming a certain resistance when the second hinge part of the backrest connecting piece rotates around the connecting shaft, so that the backrest connecting piece cannot drive the backrest to cover the seat cushion without resistance, noise is avoided, the service life of the seat cushion and the backrest is improved, safety is ensured, friction between the adjacent first hinge part and the second hinge part is prevented, abnormal sound is avoided, wear is prevented, and the service life of the first hinge part and the second hinge part is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 It is a perspective view of the preferred embodiment of the present application;

[0023] Figure 2 It is another perspective view of the preferred embodiment of the present application;

[0024] Figure 3 It is a structural schematic view of the connecting mechanism of the preferred embodiment of the present application;

[0025] Figure 4 It is another perspective view of the connecting mechanism of the preferred embodiment of the present application;

[0026] Figure 5 It is a top view of Figure 3 ;

[0027] Figure 6 It is an A-A sectional view of Figure 5 ;

[0028] Figure 7 It is a structural schematic view of the connecting mechanism of the preferred embodiment of the present application;

[0029] Figure 8 It is a structural schematic view of the backrest connecting piece of the preferred embodiment of the present application;

[0030] Figure 9 It is a structural schematic view of the connecting shaft of the preferred embodiment of the present application;

[0031] In the figure: 1, seat cushion, 2, backrest, 21, notch, 3, connecting mechanism, 4, seat cushion connecting piece, 41, seat cushion connecting part, 42, first hinge part, 5, connecting shaft, 51, stop shaft, 52, first through hole, 53, first threaded hole, 54, second through hole, 55, second threaded hole, 6, backrest connecting piece, 61, backrest connecting part, 62, second hinge part, 621, through slot, 7, limiting shaft, 81, first gasket, 82, second gasket, 83, fastener, 84, shielding piece. DETAILED DESCRIPTION

[0032] In order to make the personnel in the technical field better understand the technical scheme in the utility model, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor should belong to the protection scope of the utility model.

[0033] Please refer to Figure 1 、 Figure 2 、 Figure 7 The seat cushion connecting piece 4 is connected to the seat cushion 1, the connecting shaft 5 is connected to the seat cushion connecting piece 4, the connecting shaft 5 is connected with at least one stop piece, the backrest connecting piece 6 is connected to the backrest 2 and can rotate relative to the connecting shaft 5 so that the backrest 2 has a first position and a second position, when the backrest 2 is located at the first position, the backrest connecting piece 6 is stopped by the stop piece; when the backrest 2 is located at the second position, the backrest 2 is attached to the seat cushion 1.

[0034] The connecting mechanism 3 of the embodiment is assembled by the seat cushion connecting piece 4, the connecting shaft 5 and the backrest connecting piece 6, the seat cushion connecting piece 4, the connecting shaft 5 and the backrest connecting piece 6 are convenient to process, the connecting mechanism 3 has simple installation structure, small size and low cost, not only can conveniently connect the seat cushion connecting piece 4 to the seat cushion 1 and connect the backrest connecting piece 6 to the backrest 2, improve the production efficiency and production quality, but also make the formed seat light and convenient to carry.

[0035] Please refer to Figures 3-7The seat cushion connecting piece 4 comprises a seat cushion connecting portion 41 and at least one first hinge portion 42 connected to the seat cushion connecting portion 41, and the seat cushion connecting portion 41 is connected to the seat cushion 1. The backrest connecting piece 6 comprises a backrest connecting portion 61 and at least one second hinge portion 62 connected to the backrest connecting portion 61, and the backrest connecting portion 61 is connected to the backrest 2. The second hinge portion 62 and the first hinge portion 42 are both internally hollow, and the second hinge portion 62 is arranged adjacent to the first hinge portion 42. The connecting shaft 5 extends into the first hinge portion 42 and the second hinge portion 62. The first hinge portion 42 is connected to the connecting shaft 5 as a whole, and the second hinge portion 62 can rotate around the connecting shaft 5. Preferably, the first hinge portion 42 and the second hinge portion 62 are both hollow cylindrical.

[0036] In the present embodiment, at least one limiting shaft 7 is connected between the connecting shaft 5 and the seat cushion connecting piece 4. One end of the limiting shaft 7 is arranged in the connecting shaft 5 and connected to the connecting shaft 5, and the other end of the limiting shaft 7 is arranged in the first hinge portion 42. One end of the limiting shaft 7 is connected to the connecting shaft 5 as a whole, and the other end of the limiting shaft 7 is limited in the first hinge portion 42, so that the connecting shaft 5 and the first hinge portion 42 are integrated, avoiding rotation of the connecting shaft 5. Please refer to Figure 4 、 Figure 8 The second hinge portion 62 is provided with a through slot 621, and the through slot 621 is connected to the inside of the second hinge portion 621. The stopper comprises a stopper shaft 51, one end of the stopper shaft 51 is arranged in the connecting shaft 5 and connected to the connecting shaft 5, and the other end of the stopper shaft 51 protrudes out of the connecting shaft 5 and can be clamped with the through slot 621 to stop the second hinge portion 62. The through slot 621 is arranged, on one hand, when the backrest 2 is folded to the seat cushion 1, the second hinge portion 621 will not interfere with the stopper shaft 51, on the other hand, the stopper shaft 51 can extend into the through slot 621 and form a clamping with the through slot 621, so that the backrest connecting piece 6 is stopped after being rotated to a certain angle to realize the fixation of the position of the backrest 2.

[0037] In order to better connect the connecting shaft 5 and the first hinge portion 621 as a whole through the limiting shaft 7, and better realize the stable connection of the stopper shaft 51 and the connecting shaft 5, please refer to Figure 8 、 Figure 9Preferably, the connecting shaft 5 is hollow inside, and the connecting shaft 5 is provided with at least one first mounting hole group and at least one second mounting hole group. The first mounting hole group comprises a first through hole 52 and a first threaded hole 53 arranged correspondingly to the first through hole 52. The second mounting hole group comprises a second through hole 54 and a second threaded hole 55 arranged correspondingly to the second through hole 54. One end of the limiting shaft 7 is screwed into the first threaded hole 53 through the first through hole 52 to achieve the threaded fastening connection between the limiting shaft 7 and the connecting shaft 5. One end of the stop shaft 51 is screwed into the second threaded hole 55 through the second through hole 54 to achieve the threaded fastening connection between the stop shaft 51 and the connecting shaft 5. It can be understood that, in order to facilitate processing and installation, the first mounting hole group and the second mounting hole group are preferably the same in structure, and the limiting shaft 7 and the stop shaft 51 are also the same in structure.

[0038] In order to facilitate the smoothness of the rotation of the backrest 2 and to have a suitable angle between the backrest 2 and the seat cushion 1, the through groove 621 preferably extends along the circumference of the second hinge part 62, and the stop shaft 51 is arranged obliquely upward.

[0039] Please refer to Figure 3 A first gasket 81 is arranged between the first hinge part 42 and the second hinge part 62. The arrangement of the first gasket 81 facilitates the formation of a certain resistance when the second hinge part 62 of the backrest connecting piece 6 rotates around the connecting shaft 5, which can avoid the backrest connecting piece 6 driving the backrest 2 to cover the seat cushion 1 without resistance, avoid noise, improve the service life of the seat cushion 1 and the backrest 2, and ensure safety. At the same time, it can prevent friction between adjacent first hinge parts 42 and second hinge parts 62, avoid abnormal noise, prevent wear and tear, and improve the service life of the first hinge part 42 and the second hinge part 62.

[0040] Preferably, the seat cushion connecting part 41 is L-shaped, which is convenient for connecting with the first hinge part 42 and the seat cushion 1 respectively.

[0041] In the present embodiment, the number of first hinge parts 42 is three, and the number of second hinge parts 62 is two. In the present embodiment, the two first hinge parts 42 located on the outside are the same in structure, and the length of the first hinge part 42 located in the middle is greater than that of the first hinge parts 42 located on the outside, but it is not limited to this way. The three first hinge parts 42 can also be arranged to have the same structure, or it can also be understood that the number of first hinge parts 42 and second hinge parts 62 can also be adjusted as needed, such as arranging the first hinge parts 42 and the second hinge parts 62 to have the same number of two or three, or arranging the first hinge parts 42 to be four and the second hinge parts 62 to be three, etc., which are not limited herein.

[0042] In order to further improve the stability of the connection between the connecting shaft 5 and the seat cushion connecting piece 4, preferably, the outer ends of the two first hinged parts 42 are sequentially provided with a second gasket 82 and a fastener 83, the fastener 83 abuts against the second gasket 82 and is locked in the end of the connecting shaft 5. The fastener 82 is stably connected with the connecting shaft 5, while the abrasion of the first hinged part 42 can be avoided.

[0043] In order to avoid the influence of the external environment on the fastener 83 and improve the aesthetic appearance, preferably, each fastener 83 is externally provided with a shielding piece 84. The fastener 83 is threadedly connected with the end of the connecting shaft 5. The shielding piece 84 can be a shielding cap, which is sleeved outside the fastener 83. The fastener 83 can be a screw, a bolt or the like.

[0044] Preferably, the end of the backrest 2 away from the connecting mechanism 3 is provided with a notch 21, which facilitates the hand to stretch into the notch 21 to operate the backrest 2, for opening the backrest 2, moving the backrest 2 to another place, or storing the backrest 2 against the seat cushion 1.

[0045] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0046] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A seat, characterized in that, The utility model relates to a chair, which comprises: a seat cushion; a backrest; a connecting mechanism, which comprises a seat cushion connecting piece connected to the seat cushion, a connecting shaft connected to the seat cushion connecting piece, at least one stopper connected to the connecting shaft, and a backrest connecting piece connected to the backrest and capable of rotating relative to the connecting shaft so that the backrest has a first position and a second position, wherein the backrest connecting piece is stopped by the stopper when the backrest is in the first position, and the backrest is attached to the seat cushion when the backrest is in the second position.

2. A seat according to claim 1, wherein The seat cushion connecting piece comprises a seat cushion connecting part connected to the seat cushion and at least one first hinge part connected to the seat cushion connecting part, and the backrest connecting piece comprises a backrest connecting part connected to the backrest and at least one second hinge part connected to the backrest connecting part, wherein the second hinge part and the first hinge part are both hollow inside, the second hinge part is arranged adjacent to the first hinge part, and the connecting shaft extends into the first hinge part and the second hinge part.

3. A seat according to claim 2, wherein At least one limiting shaft is connected between the connecting shaft and the seat cushion connecting piece, one end of the limiting shaft is arranged in the connecting shaft and connected to the connecting shaft, the other end of the limiting shaft is arranged in the first hinge part, the second hinge part is provided with a through slot, the through slot is connected to the inside of the second hinge part, and the stopper comprises a stopper shaft, one end of the stopper shaft is arranged in the connecting shaft and connected to the connecting shaft, the other end of the stopper shaft protrudes out of the connecting shaft and can be clamped with the through slot to stop the second hinge part.

4. A seat according to claim 3, wherein The connecting shaft is hollow inside, at least one first mounting hole group and at least one second mounting hole group are arranged in the connecting shaft, the first mounting hole group comprises a first through hole and a first threaded hole arranged corresponding to the first through hole, and the second mounting hole group comprises a second through hole and a second threaded hole arranged corresponding to the second through hole.

5. A seat according to claim 4, wherein The through slot extends along the circumference of the second hinge part, and the stopper shaft is arranged obliquely upward.

6. A seat as claimed in claim 2, wherein A first gasket is arranged between the first hinge part and the second hinge part.

7. A seat as claimed in claim 2, wherein The seat cushion connecting part is in L shape.

8. A seat according to any one of claims 2 to 7, wherein The number of the first hinge parts is three, and the number of the second hinge parts is two.

9. A seat according to claim 8, wherein The outer ends of the two first hinge parts on the outside are sequentially provided with a second gasket and a fastener, the fastener abuts against the second gasket and is locked in the end part of the connecting shaft.

10. A seat according to claim 9, wherein An occlusion piece is arranged outside each fastener.

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