CN218500303U - Folding leg and folding chair and folding table using same - Google Patents

Abstract

The utility model discloses a folding leg and use folding chair and folding table of this folding leg, this folding leg include base, a plurality of articulate in this base around and be the supporting leg that the tilt state distributes, with the supporting leg articulated and the supporting leg is folded relatively and is the flexible bracing piece that the tilt state distributes, flexible bracing piece lower extreme is articulated with supporting leg middle part or well lower part, and this articulated position is as the stress point to increase the distance between all flexible bracing piece stress points. The utility model provides a folding leg moves down the articulated position of flexible bracing piece lower extreme and supporting leg to supporting leg middle part or well lower part, can disperse the holding power of flexible bracing piece like this, increases the distance between all flexible bracing piece stress points to this makes the folding leg can realize the stable stay when launching the support, and can avoid appearing rocking, shakiness, and then the phenomenon of falling down easily, lets the user can obtain better experience and feel, the order the utility model discloses extremely strong market competition has.

Description

Folding leg and folding chair and folding table using same

The technical field is as follows:

the utility model relates to the technical field of outdoor articles, in particular to a folding leg, a folding chair and a folding table using the folding leg.

Background art:

along with economic development now, the urban population alleviates operating pressure for satisfying the spirit demand of oneself, relaxs the mood, and more people select to go out of the house, enjoy outdoor life, for example angles, outdoor camping, party, consequently, people all can select easy folding chair and portable folding table to go out and carry out outdoor life.

The present inventor is continuously dedicated to research and develop the folding leg and the folding chair and folding table using the folding leg, and provide patent application, and obtain patent authorization, for example, the work utility model with chinese patent number ZL202122530056.6 discloses a folding leg and a folding table and a folding chair using the folding leg, the folding leg includes a main seat, a plurality of supporting legs hinged around the main seat and capable of being unfolded relatively to the main seat to form a support or capable of being folded downwards relatively to the main seat and a plurality of telescopic links hinged with the supporting legs and capable of being opened or folded relatively to the supporting legs, the supporting legs have a containing groove, and the telescopic links can be contained in the containing groove after being folded relatively to the supporting legs. The folding chair comprises the folding frame and chair cloth arranged at the upper end of the folding frame. The folding table comprises the folding frame and table cloth arranged at the upper end of the folding frame; the number of the supporting legs is four; the number of the telescopic rods is four, the lengths of the telescopic rods are the same, and four corners of the table cloth are fixedly connected with the upper ends of the four telescopic rods through connecting blocks respectively. Need not to increase extra mechanism location between the supporting legs of folding leg and the main seat, the part quantity is still less, and the structure is also simpler, and it is more convenient to fold, and wherein, this supporting legs has the storage tank, can accomodate in this storage tank after the relative supporting legs of this telescopic link is folding, and the telescopic link can retract to this makes the product volume after folding become littleer, and it is more convenient to carry.

In the process of further developing the folding leg and the folding chair, the inventor finds that the folding leg has the following problems: because the telescopic link lower extreme articulates in the supporting legs upper end to four supporting legs upper ends articulate in the less main seat periphery of volume again, thereby make four telescopic link lower extremes also concentrate relatively, can lead to the holding power of four telescopic links comparatively concentrated like this, and the user that the weight is heavier sits back on chair cloth, easily appears rocking, unstable phenomenon, and then falls down easily, influences the travelling comfort of product.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

the utility model aims to overcome the defects of the prior art and provide a folding leg, a folding chair and a folding table using the folding leg.

In order to solve the technical problem, the utility model discloses a following first technical scheme: the folding frame comprises a base, a plurality of supporting legs hinged around the base and distributed in an inclined state, and telescopic supporting rods hinged with the supporting legs and capable of being folded relative to the supporting legs and distributed in an inclined state, wherein the lower ends of the telescopic supporting rods are hinged with the middle part or the middle lower part of the supporting legs, and the hinged positions are used as stress points to increase the distance between the stress points of all the telescopic supporting rods.

Furthermore, in the above technical solution, the supporting leg has a receiving groove for receiving the foldable telescopic supporting rod, the upper end of the receiving groove extends to the middle part of the supporting leg, and the lower end of the receiving groove penetrates through the lower end surface of the supporting leg; the lower end of the telescopic supporting rod is hinged with the upper end of the accommodating groove.

Further, in the above technical solution, a hinge portion is integrally formed in the middle of the upper end of the accommodating groove; the shaping of flexible bracing piece lower extreme has the pin joint groove, and this flexible bracing piece lower extreme is located articulated portion periphery through this pin joint groove cover to it is articulated through first screw cooperation nut.

Furthermore, in the above technical solution, the two outer sides of the middle portion of the support leg are respectively integrally formed with a first thickened portion and a second thickened portion, the first thickened portion is provided with a first counter bore penetrating through the accommodating groove from outside to inside, the outer side surface of the second thickened portion is further provided with a nut groove communicating with the accommodating groove, the hinged portion is provided with a first shaft hole penetrating through the two side surfaces, and a first screw penetrates through the first counter bore and extends out of the accommodating groove, and then penetrates through a second shaft hole at the lower end of the telescopic support rod and the first shaft hole of the hinged portion and is screwed with a nut embedded and fixed in the nut groove.

Furthermore, among the above-mentioned technical scheme, the supporting leg lower extreme shaping has the supporting legs that is vertical downward distribution, and the peripheral cover of this supporting legs is equipped with the supporting seat that can dismantle the change and be used for the increase with ground area of contact.

Furthermore, in the above technical scheme, the cross section of the supporting leg is shaped like a Chinese character ji, a first convex part and a second convex part are respectively formed on two sides of the upper end of the supporting seat, a first embedding groove is formed in the upper end of the first convex part, a second embedding groove is formed in the upper end of the second convex part, and the first embedding groove and the second embedding groove are respectively embedded in two sides of the lower end of the supporting leg and are further locked by a second screw and a third screw.

Furthermore, in the above technical solution, the support base is shaped as a small top and a large bottom, and the bottom surface thereof is a large-area contact plane.

Furthermore, in the above technical solution, the two sides of the supporting leg are integrally formed with a reinforcing rib protruding outwards.

In order to solve the technical problem, the utility model discloses a following second technical scheme: the folding chair comprises the folding frame and chair cloth arranged at the upper end of the folding frame; the number of the supporting legs is four; the number of the telescopic supporting rods is four, two of the telescopic supporting rods are long telescopic rods, the other two of the telescopic supporting rods are short telescopic rods, the chair cloth is bucket-shaped, and four corners of the chair cloth are fixedly connected with the upper ends of the four telescopic supporting rods respectively.

In order to solve the technical problem, the utility model discloses a following third kind technical scheme: the folding table comprises the folding frame and table cloth or a table plate arranged at the upper end of the folding frame; the number of the supporting legs is four; the number of the telescopic supporting rods is four, the length of the telescopic supporting rods is the same, and four corners of the table cloth or the table plate are fixedly connected with the upper ends of the four telescopic supporting rods through connecting blocks respectively.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model provides a folding leg moves down the articulated position of flexible bracing piece lower extreme and supporting leg to supporting leg middle part or well lower part, can disperse the holding power of flexible bracing piece like this, increases the distance between all flexible bracing piece stress points to this makes the folding leg can realize the stable stay when launching the support, and can avoid appearing rocking, shakiness, and then the phenomenon of falling down easily, lets the user can obtain better experience and feel, the order the utility model discloses extremely strong market competition has. In addition, with the articulated position of flexible bracing piece lower extreme and supporting leg move down to supporting leg middle part or well lower part to this interval that can increase flexible bracing piece upper end, so that can the bigger chair cloth of mounting area, the user sits back on the chair cloth, and this chair cloth can be better the protection user's buttock and back, can improve the travelling comfort, and can also improve the stability of support.

Description of the drawings:

fig. 1 is a perspective view of a folding leg of the present invention;

fig. 2 is a perspective view of another view of the folding leg of the present invention;

FIG. 3 is a perspective view of a support leg of the present invention;

FIG. 4 is an assembly view of the support leg and the telescopic support rod of the present invention;

FIG. 5 is an assembly view of the support leg and the telescopic support rod of the present invention from another perspective;

FIG. 6 is an exploded view of the support leg and the telescopic support rod of the present invention;

fig. 7 is a perspective view of the telescopic support rod of the present invention;

FIG. 8 is a perspective view of the middle folding chair of the present invention;

fig. 9 is a perspective view of another folding leg of the present invention;

FIG. 10 is a perspective view of a first foldable table of the present invention;

fig. 11 is a perspective view of a second foldable table of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1-7, the folding leg 100 includes a base 1, a plurality of supporting legs 2 hinged around the base 1 and distributed in an inclined state, and a telescopic supporting rod 3 hinged with the supporting legs 2 and foldable relative to the supporting legs 2 and distributed in an inclined state; when using, outwards open supporting leg 2 relative base 1 in order to support base 1 to open and extend the relative supporting leg 2 of telescopic support rod 3 in order to realize supporting, when need not using, with telescopic support rod 3 withdrawal and relative supporting leg 2 receipts fold, in order to reduce the volume, so that carry and collection, it is very convenient to use.

For solving four telescopic link holding power comparatively concentrated as folding leg among the background art, easily appear rocking, unstable phenomenon, and then the problem of falling down easily, the utility model discloses following improvement has been made: the utility model discloses will 3 lower extremes of flexible bracing piece are articulated with supporting leg 2 middle part or well lower part, and this articulated position is as the stress point to increase the distance between 3 stress points of all flexible bracing pieces. That is to say, this 3 lower extremes of flexible bracing piece and supporting leg 2's articulated position move down to supporting leg 2 middle part or well lower part, can disperse flexible bracing piece 3's holding power like this, increase the distance between 3 stress points of all flexible bracing pieces to this makes folding leg 100 can realize the outrigger when expansion supports, and can avoid appearing rocking, shakiness, and then the phenomenon of falling down easily, lets the user can obtain better experience, the order the utility model discloses extremely strong market competition has. In addition, with 3 lower extremes of flexible bracing piece and the articulated position of supporting leg 2 move down to supporting leg 2 middle part or well lower part to this interval that can increase the 3 upper ends of flexible bracing piece, so that can the bigger chair cloth of mounting area, the user sits back on the chair cloth, and this chair cloth can be better protection user's buttock and back can improve the travelling comfort, and can also improve the stability of support.

The supporting leg 2 is provided with a storage groove 21 for storing the folding telescopic supporting rod 3, the upper end of the storage groove 21 extends to the middle part of the supporting leg 2, and the lower end of the storage groove 21 penetrates through the lower end face of the supporting leg 2; the lower end of the telescopic supporting rod 3 is hinged with the upper end of the accommodating groove 21. Specifically, a hinge portion 22 is integrally formed in the middle of the upper end of the receiving groove 21; the shaping of 3 lower extremes of flexible bracing piece has pin joint groove 31, and articulated portion 22 periphery is located through this pin joint groove 31 cover to 3 lower extremes of flexible bracing piece to it is articulated through first screw 23 cooperation nut 24, owing to increased pin joint groove 31 and articulated portion 22's design, can strengthen hinge structure's intensity like this, improve assembly structure's stability, and can strengthen this folding leg 100's support ability, avoid appearing rocking, shakiness, and then the phenomenon of falling easily.

More specifically, a first thickened portion 25 and a second thickened portion 26 are integrally formed on both outer sides of the middle portion of the support leg 2, the first thickened portion 25 is provided with a first counter bore 251 penetrating through the accommodating groove 21 from the outside to the inside, a nut groove 261 communicating with the accommodating groove 21 is further provided on the outer side surface of the second thickened portion 26, the hinge portion 22 is provided with a first shaft hole 221 penetrating through both side surfaces, and the first screw 23 passes through the first counter bore 251 and extends out of the accommodating groove 21, and passes through the second shaft hole 32 at the lower end of the telescopic support rod 3 and the first shaft hole 221 of the hinge portion 22 and then is screwed with a nut 24 embedded and fixed in the nut groove 261. Owing to add first thickening portion 25 and second thickening portion 26, can strengthen the structural strength of supporting leg 2 and the assembly of flexible bracing piece 3, improve assembly structure's stability, make flexible bracing piece 3 and supporting leg 2 form stable articulated, prevent bad phenomena such as unexpected fracture.

In addition, the supporting legs 27 that are vertical downward distribution are formed at the lower ends of the supporting legs 2, and the supporting seat 4 that can be disassembled for replacement and is used for increasing the contact area with the ground is sleeved on the periphery of the supporting legs 27. The utility model provides a supporting leg 2 adopts vertical supporting legs 27 covers of distributing downwards to establish supporting seat 4 and be used for with the ground contact, it can form better support, and this supporting seat 4 has the area of increase and ground contact, can strengthen the support ability of folding leg 100 like this greatly, avoids appearing rocking, shakiness, and then the phenomenon of falling easily. Moreover, the supporting base 4 can be detached and replaced relative to the supporting leg 27, so that the supporting base 4 can be replaced after being damaged, and the service life of the utility model is prolonged.

Furthermore, the supporting seat 4 is shaped as a small top and a large bottom, and the bottom surface of the supporting seat is a large-area contact plane, so that the supporting capability of the folding frame 100 is further enhanced, and the phenomena of shaking, instability and easy falling are avoided.

The cross section of the supporting leg 27 is shaped like a Chinese character 'ji', a first convex part 41 and a second convex part 42 are respectively formed on two sides of the upper end of the supporting seat 4, a first embedding groove 411 is formed in the upper end of the first convex part 41, a second embedding groove 421 is formed in the upper end of the second convex part 42, the first embedding groove 411 and the second embedding groove 421 are respectively embedded in two sides of the lower end of the supporting leg 27 and are locked by a second screw 43 and a third screw 44, and the assembling structure is stable.

The equal integrated into one piece in supporting leg 2 both sides has the protruding enhancement protruding muscle 28 of stretching outward, increases supporting leg 2's structural strength through strengthening protruding muscle 28, and then improves the holding power.

To sum up, the utility model provides a 3 lower extremes of bracing piece that will stretch out and draw back 100 and the articulated position of supporting leg 2 move down to supporting leg 2 middle part or well lower part, can disperse the holding power of bracing piece 3 that stretches out and draws back like this, increase the distance between 3 stress points of all flexible bracing pieces to this makes folding leg 100 can realize the outrigger when expansion supports, and can avoid appearing rocking, shakiness, and then the phenomenon of falling down easily, lets the user can obtain better experience and feels, the order the utility model discloses extremely strong market competition has. In addition, the hinged position of the lower end of the telescopic supporting rod 3 and the supporting leg 2 is moved downwards to the middle part or the middle lower part of the supporting leg 2, so that the distance between the upper ends of the telescopic supporting rod 3 can be increased, the chair cloth with larger installation area can be installed, after a user sits on the chair cloth, the hip and the back of the user can be better protected by the chair cloth, the comfort can be improved, and the supporting stability can be improved.

Referring to fig. 8, a folding chair using the folding leg 100 includes the folding leg 100 and a chair cloth 5 disposed on an upper end of the folding leg 100; the number of the supporting legs 2 is four; the number of the telescopic supporting rods 3 is four, two of the telescopic supporting rods are long telescopic rods, the other two telescopic supporting rods are short telescopic rods, the chair cloth 5 is bucket-shaped, and four corners of the chair cloth 5 are fixedly connected with the upper ends of the four telescopic supporting rods 3 respectively. The folding chair is simple in structure, can be folded quickly by the folding frame 100, is convenient to fold, and is small in size and convenient to carry after being folded. In addition, the hinged position of the lower end of the telescopic supporting rod 3 and the supporting leg 2 is moved downwards to the middle part or the middle lower part of the supporting leg 2, so that the folding frame 100 can realize stable support, the phenomena of shaking and instability are avoided, and then the phenomenon of falling easily can be avoided, the distance between the upper ends of the telescopic supporting rod 3 can be increased, and the chair cloth 5 with a larger installation area can be installed.

Referring to fig. 9-11, a folding table using the folding leg 100 includes the folding leg 100 and a table cloth 6 or a table top 7 disposed at an upper end of the folding leg 100; the number of the supporting legs 2 is four; the number of the telescopic supporting rods 3 is four, the length of the telescopic supporting rods is the same, and the four corners of the table cloth 6 or the table plate 7 are fixedly connected with the upper ends of the four telescopic supporting rods 3 through connecting blocks 8 respectively. The folding table is simple in structure, can be folded quickly through the folding frame 100, is convenient to fold, and is small in size and convenient to carry after being folded. In addition, the hinged position of the lower end of the telescopic supporting rod 3 and the supporting leg 2 is moved downwards to the middle or the middle lower part of the supporting leg 2, so that the folding frame 100 can realize stable support, and the phenomena of shaking, instability and easy falling are avoided.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. The folding leg, it includes base (1), a plurality of articulate supporting leg (2) that are the tilt state and distribute around this base (1), with supporting leg (2) articulated and supporting leg (2) are folded relatively and are telescopic support pole (3) that the tilt state distributes, its characterized in that:

the lower ends of the telescopic supporting rods (3) are hinged with the middle or lower part of the supporting legs (2), and the hinged positions are used as stress points to increase the distance between the stress points of all the telescopic supporting rods (3).

2. The folding leg of claim 1, wherein: the supporting leg (2) is provided with a storage groove (21) for storing the folding telescopic supporting rod (3), the upper end of the storage groove (21) extends to the middle part of the supporting leg (2), and the lower end of the storage groove (21) penetrates through the lower end face of the supporting leg (2); the lower end of the telescopic supporting rod (3) is hinged with the upper end of the containing groove (21).

3. The folding leg of claim 2, wherein: a hinge part (22) is integrally formed in the middle of the upper end of the accommodating groove (21); the lower end of the telescopic supporting rod (3) is provided with a pivoting groove (31) in a molding mode, the lower end of the telescopic supporting rod (3) is sleeved on the periphery of the hinging part (22) through the pivoting groove (31) and is hinged through a first screw (23) and a nut (24).

4. The folding leg of claim 3, wherein: the supporting leg is characterized in that a first thickened portion (25) and a second thickened portion (26) are integrally formed on two outer sides of the middle portion of the supporting leg (2), a first counter bore (251) penetrating through the accommodating groove (21) is formed in the first thickened portion (25) from outside to inside, a nut groove (261) communicating with the accommodating groove (21) is further formed in the outer side face of the second thickened portion (26), a first shaft hole (221) penetrating through two side faces is formed in the hinge portion (22), a first screw (23) penetrates through the first counter bore (251) to extend out of the accommodating groove (21), penetrates through a second shaft hole (32) in the lower end of the telescopic supporting rod (3) and the first shaft hole (221) of the hinge portion (22), and then is fixed with a nut (24) embedded and fixed in the nut groove (261) in a spiral mode.

5. The folding leg of claim 1, wherein: supporting legs (2) lower extreme shaping has supporting legs (27) that are vertical downward distribution, and this supporting legs (27) periphery cover is equipped with can dismantle the change and be used for increase and ground area of contact's supporting seat (4).

6. The folding leg of claim 5, wherein: the cross section of the supporting leg (27) is in a shape like a Chinese character 'ji', a first convex part (41) and a second convex part (42) are respectively formed on two sides of the upper end of the supporting base (4), a first embedding groove (411) is formed in the upper end of the first convex part (41), a second embedding groove (421) is formed in the upper end of the second convex part (42), the first embedding groove (411) and the second embedding groove (421) are respectively embedded in two sides of the lower end of the supporting leg (27), and the supporting leg is further locked through a second screw (43) and a third screw (44).

7. The folding leg of claim 5, wherein: the supporting seat (4) is in a shape of a small top and a big bottom, and the bottom surface of the supporting seat is a large-area contact plane.

8. The folding leg of claim 5, wherein: reinforcing convex ribs (28) which protrude outwards are integrally formed on two sides of the supporting leg (2).

9. Folding chair, its characterized in that: comprising a folding leg (100) according to any one of claims 1 to 8 and a chair cloth (5) arranged at the upper end of the folding leg (100); the number of the supporting legs (2) is four; the number of the telescopic supporting rods (3) is four, two of the telescopic supporting rods are long telescopic rods, the other two telescopic supporting rods are short telescopic rods, the chair cloth (5) is bucket-shaped, and four corners of the chair cloth (5) are fixedly connected with the upper ends of the four telescopic supporting rods (3) respectively.

10. Folding table, its characterized in that: comprising a folding leg (100) according to any one of claims 1 to 8 and a piece of table cloth (6) or a table top (7) arranged at the upper end of the folding leg (100); the number of the supporting legs (2) is four; the number of the telescopic supporting rods (3) is four, the length of the telescopic supporting rods is the same, and the four corners of the table cloth (6) or the table plate (7) are fixedly connected with the upper ends of the four telescopic supporting rods (3) through connecting blocks (8) respectively.

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