CN214156770U - Connecting structure of folding chair - Google Patents

Abstract

The utility model discloses a connection structure of a folding chair, the chair frame comprises foot tubes, the foot tubes are respectively provided with a handrail tube and a seat cloth tube, the handrail tube is arranged above the seat cloth tube, one side above the handrail tube is provided with a backrest tube, the chair frame is also provided with a three-fork element and a backrest tube seat, the three-fork element is respectively provided with the foot tubes, the handrail tube and the seat cloth tube, the foot tubes, the handrail tube and the seat cloth tube are fixedly arranged through the three-fork element, so that the three parts do not influence the work each other, the installation is more stable, the folding is more convenient, the folding chair not only has short and small material, but also is convenient to assemble, the chair is comfortable to sit at leisure, can be folded and stored without a chair, has small volume and small occupation space, is convenient to store and place, is particularly convenient to transport and transport goods logistics, and is provided with handrail foam tubes on the handrails, not only improves the use comfort of the folding chair, but also is comfortable when sitting and convenient when being folded and taken away.

Description

Connecting structure of folding chair

Technical Field

The utility model belongs to the technical field of folding chair technique and specifically relates to a connection structure of folding chair is related to.

Background

The chair is a necessary living equipment in daily life, is generally applied to various families and office places, and is a plurality of foldable chairs on the market in order to prevent the chair from occupying more space when not used.

At present, for the convenience of carrying, the folding armchair for tourism, leisure use designs into folding structure basically, from the folding armchair structure analysis in current market, and handrail pipe all is connected on handrail regulation seat for the front end in its basic structure, and the rear end articulates on the back pipe, and such structure does not have a powerful strong point because handrail pipe below, and handrail pipe's support intensity is relatively poor, does not have any setting on the handrail pipe moreover, when just sitting, can't reach comfortablely, uses also inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

The utility model provides a connection structure of folding chair, includes the chair frame, its characterized in that, the chair frame is including foot pipe, handrail tube, back pipe and seat cloth pipe, install handrail tube and seat cloth pipe on the foot pipe respectively, handrail tube installs the top at the seat cloth pipe, install the back pipe on the top one side of handrail tube, install seat cloth on the seat cloth pipe, install back cloth on the back pipe, still be equipped with trident and back pipe seat on the chair frame, trident is including left trident and right trident, be erection joint with foot pipe, handrail tube and seat cloth pipe on the trident respectively, the back pipe seat cup joints on handrail tube, and installs on one side on the back pipe, be equipped with arc portion on the handrail tube, one of arc portion is served and is equipped with the installation through-hole, the through-hole has been seted up on the lower extreme of arc portion.

As a further aspect of the present invention: be equipped with on the trident spare of a left side and cup joint portion I, accept portion I and pin joint portion I, the one end extension of cup joint portion I is provided with round pin joint portion I, be equipped with accept portion I on one side of cup joint portion I and pin joint portion I, be equipped with cup joint portion II on the trident spare of the right side, accept portion II and pin joint portion II, the one of cup joint portion II is served and is extended and be provided with round pin joint portion II, be equipped with accept portion II on one side of cup joint portion II and pin joint portion II, round pin joint portion I and round pin joint portion II all are equipped with the recess, be equipped with the locking hole on the both ends of recess.

As a further aspect of the present invention: the utility model discloses a handle pipe, including cup joint portion I and cup joint portion II, the foot pipe has been closed to the installation cover on cup joint portion I and cup joint portion II, the one of seat stringing is served to the installation and is fixed with receiving portion I, the installation is fixed with receiving portion II on the other end of seat stringing, the erection joint has handrail tube on pin joint portion I and pin joint portion II, the one end on handrail tube is fixed with pin joint portion I, the installation is fixed with pin joint portion II on the other end of handrail tube, the cross-under has the rivet on through-hole and the locking hole, handrail tube passes through the fix with rivet on pin joint portion I and pin joint portion II.

As a further aspect of the present invention: the cotton pipe of handrail bubble is installed on the handrail pipe, the cotton pipe of handrail bubble goes up the registrate one deck handrail cloth, handrail cloth is single layer cloth, be equipped with easily tearing the strip on the handrail cloth, handrail cloth registrates on the cotton pipe of handrail bubble through easily tearing the strip.

As a further aspect of the present invention: the back tube seat is provided with an installation part, the tail end of the installation part extends to be provided with a connecting part, the connecting part is provided with an arc-shaped groove, and two ends of the arc-shaped groove are provided with fixing holes.

As a further aspect of the present invention: the back tube seat is characterized in that the arc-shaped groove and the arc-shaped part on the back tube seat are installed in a matched mode, rivets are connected to the fixing holes and the installation through holes in a penetrating mode, the back tube seat is installed and fixed on the handrail tube through the rivets, and the back tube is installed on the installation portion of the handrail tube in a matched mode.

As a further aspect of the present invention: the number of the foot tubes is 2, and the foot tubes are fixedly arranged through rivets.

As a further aspect of the present invention: the seat cloth and the backrest cloth are both double-layer cloth.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a fixed foot pipe is installed to trident spare, handrail pipe and seat stringing, make do not influence work each other between the three, it is more firm to install, it is folding more convenient, not only the folding chair material is short and small, very save material, and be convenient for assemble, it is more firm, it is comfortable just to sit in leisure, when not using the chair, can the split accomodate, not only small, occupation space is few, also be convenient for the collection place, it is particularly convenient at the in-process of commodity circulation transportation and transport, the cotton pipe of handrail bubble has been set up on handrail pipe simultaneously, not only improve the use travelling comfort of folding chair, it is comfortable when just sitting, it is also convenient when folding taking away, the cotton pipe of handrail bubble goes up the registrate and has dismantled handrail cloth, it is more convenient to use, also conveniently take.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the handrail tube of the present invention;

FIG. 3 is a schematic structural view of the back tube seat of the present invention;

fig. 4 is a schematic structural view of the left yoke of the present invention;

fig. 5 is a schematic structural view of the right trident of the present invention.

In the figure: 1-a chair frame; 2-a pin tube; 3-handrail tube; 31-an arc; 32-mounting a through hole; 33-handrail foam tube; 34-armrest cloth; 4-a back tube; 5-arranging pipes; 6-seat cloth; 7-backrest cloth; 8-a spider; 9-back tube seat; 91-a mounting portion; 92-a connecting portion; 93-arc groove; 94-fixing holes; 10-left trident; 101-a socket joint part I; 102-a receiving part I; 103-pin joint I; 11-right trident; 111-socket joint part II; 112-receiving part II; 113-pin joint II; 12-a groove; 13-locking hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in the embodiment of the utility model, a connection structure of folding chair, including chair frame 1, chair frame 1 is including foot pipe 2, handrail tube 3, back pipe 4 and seat cloth pipe 5, installs handrail tube 3 and seat cloth pipe 5 on the foot pipe 2 respectively, and the quantity of foot pipe 2 is 2, through rivet installation fixed between the foot pipe 2, handrail tube 3 installs in the top of seat cloth pipe 5, installs back pipe 4 on top one side of handrail tube 3, installs seat cloth 6 on the seat cloth pipe 5, installs back cloth 7 on the back pipe 4, and seat cloth 6 and back cloth 7 are double-layer cloth, through adopting double-layer cloth to set up, and is more safe firm, and does not increase folding chair's whole volume, still is equipped with trident 8 and back pipe seat 9 on the chair frame 1, and trident 8 is including left trident 10 and right trident 11, is connected with respectively on trident 8, Handrail tube 3 and seat cloth pipe 5, back of the body tube seat 9 cup joints on handrail tube 3, and installs on one side on the back of the body tube 4, is equipped with arc portion 31 on handrail tube 3, and one of arc portion 31 is served and is equipped with installation through-hole 32, has seted up the through-hole on the lower extreme of arc portion 31.

Install the cotton pipe of handrail bubble 33 on handrail pipe 3, the registrate has one deck handrail cloth 34 on the cotton pipe of handrail bubble 33, and handrail cloth 34 is single layer cloth, is equipped with easily tearing the strip on handrail cloth 34, handrail cloth 34 registrates on the cotton pipe of handrail bubble 33 through easily tearing the strip, through having set up the cotton pipe of handrail bubble 33 on handrail 3, improves folding chair's use travelling comfort, and is comfortable when just sitting, and is also convenient when folding taking away, and the registrate has dismantled handrail cloth 34 on the cotton pipe of handrail bubble 33 simultaneously, and it is more convenient to use, also conveniently takes.

Be equipped with on left trident 10 and cup joint portion I101, portion I102 and pin joint portion I103 cup joint the one end extension of portion I101 and be provided with pin joint portion I103, be equipped with portion I102 on one side of portion I101 and pin joint portion I103 cup joints, be equipped with portion II 111 of cup joint on the right side trident 11, portion II 112 and pin joint portion II 113, the one of portion II 111 of cup joint extends and is provided with pin joint portion II 113, be equipped with portion II 112 on one side of portion II 111 of cup joint and pin joint portion II 113, pin joint portion I103 and pin joint portion II 113 all are equipped with recess 12, be equipped with locking hole 13 on the both ends of recess 12.

The foot tube 2 is sleeved and jointed on the sleeving part I101 and the sleeving part II 111, one end of the seat cloth tube 5 is fixedly provided with a bearing part I102, the other end of the seat cloth tube 5 is fixedly provided with a bearing part II 112, the pin joint part I103 and the pin joint part II 113 are fixedly provided with the handrail tube 3, one end of the handrail tube 3 is fixedly provided with a pin joint part I103, the other end of the handrail tube 3 is fixedly provided with a pin joint part II 113, the through hole and the locking hole 13 are connected with rivets in a penetrating manner, and the handrail tube 3 is fixed on the pin joint part I103 and the pin joint part II 113 through rivets.

When the equipment, through rivet erection fixation between the foot pipe 2, install four trident spares 8 on foot pipe 2, the erection joint has foot pipe 2 on muff coupling portion I101 and the II 111 of muff coupling portion, the erection joint has handrail pipe 3 on pin coupling portion I103 and the II 113 of pin coupling portion simultaneously, the installation block has supporting portion I102 and supporting portion II 112 on the both ends of seat stringing 5, install fixed foot pipe 2 through trident spare 8, handrail pipe 3 and seat stringing 5, make do not influence work each other between the three, the installation is more firm, it is more convenient to fold.

Be equipped with installation department 91 on back of the body tube 9, the extension is provided with connecting portion 92 on the end of installation department 91, is equipped with arc recess 93 on the connecting portion 92, is equipped with fixed orifices 94 on the both ends of arc recess 93, and arc recess 93 and arc portion 31 on the back of the body tube 9 match the installation mutually, the cross-under has the rivet on fixed orifices 94 and the installation through-hole 32, back of the body tube 9 passes through rivet installation to be fixed on handrail pipe 3, back of the body tube 4 is installed in the cooperation on the installation department 91 on handrail pipe 3.

The utility model discloses an adopted trident 8 to connect foot pipe 2, handrail pipe 3 and seat cloth pipe 5, not only the folding chair materials is short and small, very save material, and the equipment of being convenient for, it is comfortable just to sit in the leisure, when not needing the chair, can the split accomodate, not only small, occupation space is few, also be convenient for collect and place, it is particularly convenient at the in-process of commodity circulation transportation and transport, set up handrail bubble cotton pipe 33 on the handrail simultaneously, improve folding chair's use travelling comfort, it is comfortable just when sitting, it is also convenient when folding to take away, handrail bubble is gone up the registrate and is had the handrail cloth of dismantling, it is more convenient to use, also conveniently take.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. A connecting structure of a folding chair comprises a chair frame (1) and is characterized in that the chair frame (1) comprises foot tubes (2), handrail tubes (3), a backrest tube (4) and a seat cloth tube (5), the foot tubes (2) are respectively provided with the handrail tubes (3) and the seat cloth tube (5), the handrail tubes (3) are arranged above the seat cloth tube (5), the backrest tube (4) is arranged on one side of the upper part of the handrail tubes (3), the seat cloth tube (5) is provided with the seat cloth (6), the backrest cloth tube (4) is provided with the backrest cloth (7), the chair frame (1) is further provided with a three-fork piece (8) and a backrest tube seat (9), the three-fork piece (8) comprises a left three-fork piece (10) and a right three-fork piece (11), the three-fork piece (8) is respectively provided with the foot tubes (2), the handrail tubes (3) and the seat cloth tube (5), back tube seat (9) cup joint on handrail pipe (3), and install on one side back pipe (4), be equipped with arc portion (31) on handrail pipe (3), one of arc portion (31) is served and is equipped with installation through-hole (32), the through-hole has been seted up on the lower extreme of arc portion (31).

2. The connecting structure of a folding chair as claimed in claim 1, wherein the left forked member (10) is provided with a socket part I (101), a socket part I (102) and a pin joint part I (103), one end of the sleeve joint part I (101) extends to form a pin joint part I (103), one side of the sleeve joint part I (101) and one side of the pin joint part I (103) are provided with a bearing part I (102), the right Y-piece (11) is provided with a sleeve joint part II (111), a bearing part II (112) and a pin joint part II (113), one end of the sleeve joint part II (111) extends to form a pin joint part II (113), a bearing part II (112) is arranged on one side of the sleeve joint part II (111) and the pin joint part II (113), pin joint portion I (103) and pin joint portion II (113) all are equipped with recess (12), be equipped with locking hole (13) on the both ends of recess (12).

3. The connecting structure of the folding chair as claimed in claim 2, wherein the foot tubes (2) are installed and sleeved on the sleeving part I (101) and the sleeving part II (111), the bearing part I (102) is installed and fixed on one end of the seat cloth tube (5), the bearing part II (112) is installed and fixed on the other end of the seat cloth tube (5), the handrail tube (3) is installed and connected on the pinning part I (103) and the pinning part II (113), the pinning part I (103) is installed and fixed on one end of the handrail tube (3), the pinning part II (113) is installed and fixed on the other end of the handrail tube (3), the rivets are connected on the through hole and the locking hole (13) in a penetrating manner, and the handrail tube (3) is fixed on the pinning part I (103) and the pinning part II (113) through the rivets.

4. The connecting structure of the folding chair as claimed in claim 1, wherein the handrail tube (3) is provided with a handrail foam tube (33), the handrail foam tube (33) is sleeved with a layer of handrail cloth (34), the handrail cloth (34) is a single-layer cloth, the handrail cloth (34) is provided with an easily-torn strip, and the handrail cloth (34) is sleeved on the handrail foam tube (33) through the easily-torn strip.

5. The connecting structure of a folding chair as claimed in claim 1, wherein the back tube base (9) is provided with a mounting portion (91), the end of the mounting portion (91) extends to form a connecting portion (92), the connecting portion (92) is provided with an arc-shaped groove (93), and both ends of the arc-shaped groove (93) are provided with fixing holes (94).

6. The connecting structure of a folding chair as claimed in claim 5, wherein the arc-shaped groove (93) of the back tube base (9) is matched with the arc-shaped part (31) and is installed, the fixing hole (94) and the installation through hole (32) are connected with rivets in a penetrating manner, the back tube base (9) is fixed on the handrail tube (3) through the rivet installation, and the backrest tube (4) is installed on the installation part (91) of the handrail tube (3) in a matching manner.

7. The connecting structure of a folding chair as claimed in claim 1, wherein the number of the leg tubes (2) is 2, and the leg tubes (2) are fixed by rivets.

8. The coupling structure of a folding chair as claimed in claim 1, wherein the seat cloth (6) and the back cloth (7) are both double-layered cloths.

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