Folding mechanism and table and chair applying same

Abstract

The utility model discloses a folding mechanism and a table and a chair using the folding mechanism, the folding mechanism comprises a supporting seat, a first supporting rod and a second supporting rod, and is characterized in that the first supporting rod and the second supporting rod are hinged to form a cross rod; one end of the first supporting rod is hinged to the upper portion of the supporting base, and one end of the second supporting rod is connected with the lower portion of the supporting base in a matched mode. When the folding mechanism is unfolded or folded, the first supporting rod and the second supporting rod can rotate in the same direction relative to the supporting seat, the table and the chair comprise the folding mechanism, and after the folding mechanism is folded, the folding mechanism is small in overall occupied space and convenient to store, carry and transport.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of folding mechanism and the table, chair of application this folding mechanism. BACKGROUND

[0002] In recent years, outdoor activities have been more and more people like, weekends, holidays, can be with family, someone goes to the outdoor place camping, can well enjoy the time of holiday. When we go outdoor activities now, it is carrying some foldable chair and table, when unfolding, it can be normal, when not using, folding can be reduced, the space it occupies, whether it is sale or camping, it is convenient to carry and store. But in the existing folding mechanism, the rod is connected by a pin to realize the rotation of two rods, please refer to the structure of a folding table disclosed in Chinese patent No. 202221286602.4, which includes upper and lower support rods, and the corresponding upper and lower support rods are hinged together. When folding, because the upper and lower support rods are directly hinged with the two supports, the rotation direction of the upper and lower support rods is opposite when shrinking, because the effective length L (the distance from the hinge point to the end) of the support rod must be guaranteed to form a table and chair, so that the overlapping part of the two support rods is less after shrinking, and the overall length after folding is too long, which is basically the sum of the effective lengths of the two support rods, and occupies a very long space, which is not conducive to the overall storage, carrying and transportation. At the same time, the two supports need to be moved in the right direction, and a connecting rod is needed between the two supports, which increases the production steps and the use of parts, and the two supports are also prone to shaking, with poor structural stability. SUMMARY

[0003] To solve the above technical problems, the purpose of the utility model is to provide a kind of folding mechanism and the table, chair of application this folding mechanism.

[0004] The utility model realizes the following technical solutions:

[0005] A folding mechanism includes a support seat, a first support rod and a second support rod, the first support rod and the second support rod are hinged to form a cross rod, one end of the first support rod is hinged above the support seat, and one end of the second support rod is connected with the lower part of the support seat. When the folding mechanism is unfolded or folded, the first support rod and the second support rod can rotate in the same direction relative to the support seat.

[0006] In the utility model embodiment, one end of the second support rod is hinged with one end of the connecting rod, and the other end of the connecting rod can be hinged with the lower part of the support seat.

[0007] The utility model discloses an embodiment of the utility model, the second bracing bar includes the connecting piece of one end setting, the connecting piece is hinged with first bracing bar, is provided with the space of the connecting rod rotation in the connecting piece, is provided with the support surface in the space, the support surface can be contacted with the connecting rod and cooperates.

[0008] An embodiment of the utility model, the support surface is arc surface, the connecting rod is arc piece, when the folding mechanism is unfolded, the support surface can be connected with the outer arc edge of the connecting rod, when the folding mechanism is folded, the support surface can be connected with the inner arc edge of the connecting rod.

[0009] An embodiment of the utility model, the support seat is provided with the sliding slot under, one end of second bracing bar is provided with the pin shaft in the sliding slot.

[0010] An embodiment of the utility model, the first bracing bar includes the elbow piece and support piece of connecting, is provided with the slot of the second bracing bar plug-in in the elbow piece, the second bracing bar can be hinged with the elbow piece, one end of the elbow piece is hinged with the support seat top.

[0011] An embodiment of the utility model, when the folding mechanism is unfolded, the second bracing bar can be contacted in the upper end of support piece, when the folding mechanism is folded, the length direction of the second bracing bar rod can be adapted with support piece.

[0012] An embodiment of the utility model, the first bracing bar and second bracing bar are telescopic rods, and the other end of the first bracing bar is provided with an antiskid pad.

[0013] The utility model discloses still disclose:

[0014] A table comprising the folding mechanism.

[0015] The utility model discloses still disclose:

[0016] A chair comprising the folding mechanism.

[0017] The folding mechanism, the table and the chair have the following beneficial effects: the folding mechanism completely changes the existing folding mode, makes two bracing rods rotate in one direction when folding or unfolding, makes the overlapping part of the two bracing rods more, effectively reduces the height and width of the folded folding mechanism, reduces the space occupied after folding, increases the number of storage and transportation under the condition of the same volume, improves the efficiency of enterprises, reduces the space required for storage when used by consumers, facilitates transportation and storage, and facilitates carrying; only one support seat is used instead of two support seats, the stability of the overall structure is enhanced, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 is a schematic diagram of the prior art.

[0020] Figure 2 is a perspective view of the folding mechanism in the present application when unfolded.

[0021] Figure 3 is a schematic diagram of the folding mechanism in the present application when unfolded. Figure 1 .

[0022] Figure 4 is a schematic diagram of the folding mechanism in the present application when unfolded. Figure 2 .

[0023] Figure 5 is a schematic diagram of the folding mechanism in the present application when folded. Figure 1 .

[0024] Figure 6 is a schematic diagram of the folding mechanism in the present application when folded. Figure 2 .

[0025] Figure 7 is a perspective view of the folding mechanism in the present application when unfolded. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the following will describe the technical solutions in the embodiments of the present application clearly and completely with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the utility model, it is understood that the directions or positional relations indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are the directions or positional relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus cannot be understood as limiting the utility model.

[0028] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0029] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements or the interaction between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0031] With reference to the accompanying drawings, the folding mechanism comprises a support base 10, a first support rod 20 and a second support rod 30, only one support base is used, the first support rod is a support foot, and the second support rod is a support column, which are used for supporting a table board or a chair surface, wherein the distance between the two support rods relative to the support base is fixed, the first support rod and the second support rod are hinged to form a cross rod, or in other words, the two support rods are hinged at the end close to the support base; the first support rod is hinged at one end above the support base, and the other end of the first support rod can be supported on the bottom surface; and the second support rod is connected with the lower part of the support base at one end; when the folding mechanism is unfolded or folded, the first support rod and the second support rod can rotate relative to the support base in the same direction, and the rotating directions of the two support rods are opposite to those in the prior art, so that the two support rods can be overlapped after being folded, and with reference to the accompanying drawings, the second support rod can be a telescopic rod, the first support rod and the second support rod are overlapped after being folded, and the length of the second support rod after being folded is smaller than the length of the first support rod, so that the length of the folding mechanism after being folded is the length of the first support rod, the length after being folded is greatly reduced, and the folding mechanism is more suitable for carrying.

[0032] In the embodiment one of the utility model, the second support rod one end with connecting rod 40 one end hinge, the other end of connecting rod can with support base lower hinge, through the effect of connecting rod, make folding and unfolding, two support rods can swing to a direction relative to support base. The second support rod includes its one end setting connecting piece 31, the connecting piece with first support rod hinge, the connecting piece in setting has the space 32 for connecting rod rotation, the space in setting has support surface 33, the support surface can with connecting rod abutment cooperation. The support surface is arc surface, the connecting rod is arc piece, when the folding mechanism unfolds, the support surface can with the outer arc edge of connecting rod cooperation connection (abutment cooperation), when the folding mechanism folds, the support surface can with the inner arc edge of connecting rod cooperation connection (let place cooperation). The hinge point of connecting rod and support base is A, the hinge point of connecting rod and second support rod is B, the hinge point of second support rod and first support rod is C, when folding mechanism is folded, three hinge points form an acute angle, when unfolding, three hinge points will pass straight line and then rotate, make three hinge points form an angle greater than 180 ° (according to the motion track calculates), like this makes it over critical point, form a very good support effect, guarantee unfolding two support rods do not occur again rotation.

[0033] In the embodiment one of the utility model, the support base lower part is provided with the sliding slot 11, the second support rod one end is provided with the pin shaft 12 in the sliding slot, and it is similar with the embodiment one, through the movement, rotation cooperation of sliding slot and pin shaft, make two support rods rotate to a direction.

[0034] Preferably, the first supporting rod comprises a connecting elbow 21 (a component with an obtuse angle) and a supporting piece 22, which can be in a Z shape, the supporting piece can be parallel to one side of the elbow, the elbow is provided with a slot 23 for inserting the second supporting rod, the second supporting rod can be hinged to the elbow, one end of the elbow is hinged to the upper part of the supporting base, and the second supporting rod at the hinge point BC can be placed in the slot when being folded, so that the width after being folded is smaller.

[0035] In order to better carry, the first supporting rod and the second supporting rod are retractable rods, and the other end of the first supporting rod is provided with an anti-skid pad 24.

[0036] The utility model discloses still disclose a:

[0037] A table comprises the folding mechanism, wherein the other end of the second supporting rod supports a table board (not shown in the drawing), and the table is formed.

[0038] The utility model discloses still disclose a:

[0039] A chair comprises the folding mechanism, wherein two second supporting rods are short rods, two second supporting rods are long rods, and a canvas (not shown in the drawing) is connected between the four second supporting rods, so that a chair with a backrest is formed, or the four supporting rods can all be short rods, and a canvas or a seat board (not shown in the drawing) is connected between the four second supporting rods, so that a chair without a backrest is formed.

[0040] The above description shows and describes the preferred embodiments of the utility model, and as mentioned above, it should be understood that the utility model is not limited to the forms disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed by the above teaching or related technical or knowledge within the scope of the utility model concept described herein. The changes and variations made by the person skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the protection scope of the claims attached to the utility model.

Claims

1. A folding mechanism comprising a support base, a first strut and a second strut, characterised in that, The first support rod and the second support rod are hingedly connected to form a cross rod; one end of the first support rod is hingedly connected above the support base, and one end of the second support rod is connected with the support base below. When the folding mechanism is unfolded or folded, the first support rod and the second support rod can rotate in the same direction relative to the support base.

2. A folding mechanism according to claim 1, wherein One end of the second support rod is hingedly connected with one end of the connecting rod, and the other end of the connecting rod can be hingedly connected with the support base below.

3. A folding mechanism according to claim 2, wherein The second support rod comprises a connecting piece arranged at one end thereof, the connecting piece is hingedly connected with the first support rod, a space for the connecting rod to rotate is arranged in the connecting piece, a support surface is arranged in the space, and the support surface can be abuttingly connected with the connecting rod.

4. A folding mechanism according to claim 3, wherein The support surface is an arc surface, and the connecting rod is an arc-shaped piece; when the folding mechanism is unfolded, the support surface can be connected with the outer arc-shaped edge of the connecting rod, and when the folding mechanism is folded, the support surface can be connected with the inner arc-shaped edge of the connecting rod.

5. The folding mechanism of claim 1, wherein A sliding groove is arranged below the support base, and a pin shaft arranged at one end of the second support rod can be arranged in the sliding groove.

6. A folding mechanism according to any one of claims 1-5, characterized in that The first support rod comprises a bent piece and a support piece connected with each other, a slot for the second support rod to be inserted is arranged in the bent piece, the second support rod can be hingedly connected with the bent piece, and one end of the bent piece is hingedly connected above the support base.

7. A folding mechanism according to claim 6, wherein When the folding mechanism is unfolded, the second support rod can abut against the upper end of the support piece, and when the folding mechanism is folded, the second support rod can be adapted to the length direction of the support piece.

8. A folding mechanism according to claim 7, wherein The first support rod and the second support rod are retractable rods, and the other end of the first support rod is provided with an anti-skid pad.

9. A table, characterized in that The folding mechanism comprises the folding mechanism according to any one of claims 1-8.

10. A chair, characterized in that The folding mechanism comprises the folding mechanism according to any one of claims 1-8.

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