CN210902217U

CN210902217U - Quick locking structure for pvc folding chair

Info

Publication number: CN210902217U
Application number: CN201921379160.6U
Authority: CN
Inventors: 陈树东
Original assignee: Jiangsu Xinjiamei Furniture Co ltd
Current assignee: Jiangsu Xinjiamei Furniture Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-07-03
Anticipated expiration: 2029-08-23

Abstract

The utility model relates to a technical field is made to furniture, specifically is a pvc folding chair is with quick dead lock structure, including the folding chair body, the folding chair body comprises first folding leg, second folding leg and seat, and the length of first folding leg is greater than the length of second folding leg, and just first folding leg and the folding leg of second all articulate on the side of seat, are equipped with the connecting piece between first folding leg and the folding leg of second, and the connecting piece is located the top of seat, and beneficial effect is: the utility model discloses be provided with the first body of rod and the second body of rod between first folding leg and the folding leg of second, when folding chair was packed up, the second body of rod inserted completely inside the first body of rod, the first body of rod then near on the folding leg of second, when folding chair expandes, the first body of rod and the second body of rod keep the horizontality, and the inserted bar inserts inside the slot, the total length of the first body of rod and the second body of rod is fixed, folding chair is locked and can't be packed up easily, user's use has been made things convenient for.

Description

Quick locking structure for pvc folding chair

Technical Field

The utility model relates to a furniture manufacturing technical field specifically is a pvc folding chair is with locking fast structure.

Background

PVC folding chairs are a common type of chair in daily life, and have a seat cushion and a backrest made of PVC material, which are not only light and durable, but also portable after being folded, thus being popular with users. Although the existing folding chair is convenient to unfold and fold, the existing folding chair generally has a defect of lacking a locking structure, when a user wants to directly move the unfolded chair, the user needs to use two hands to respectively hold the backrest and the seat of the chair at the same time, otherwise, the chair is folded unconsciously every time the user drags the chair, and unnecessary troubles are caused to the user. In addition, bearing structure is not abundant among the current folding chair, and the folding chair firmness after the expansion is also not good, even if on the level land, folding chair self also produces easily and rocks, for this reason, the utility model provides a pvc folding chair is with locking fast structure is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pvc folding chair is with locking fast structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a quick locking structure for a pvc folding chair comprises a folding chair body, wherein the folding chair body is composed of a first folding leg, a second folding leg and a seat, the length of the first folding leg is larger than that of the second folding leg, the first folding leg and the second folding leg are hinged on the side edge of the seat, a connecting piece is arranged between the first folding leg and the second folding leg and is positioned above the seat, the two ends of the connecting piece are respectively hinged on the first folding leg and the second folding leg, a second rod body is hinged on one side of the bottom of the first folding leg, a first rod body is hinged on one side of the bottom of the second folding leg, the first rod body and the second rod body are the same in height, the first rod body is of a hollow structure, an installation cavity is welded on the top end of the first rod body, the second rod body is inserted into the first rod body, and a slot is formed in one side of the top end of the second rod body, the utility model discloses a mounting cavity, including installation cavity, fixed disk, inserted bar, fixed disk and compression spring, the inside of installation cavity is equipped with the inserted bar, the inner of inserted bar runs through the first body of rod and imbeds in the slot, and the outside of inserted bar cup joints and is equipped with the fixed disk, and the top of inserted bar is equipped with the pull ring, fixed disk and inserted bar are integrated into one piece structure, and the top of fixed disk is equipped with compression spring, compression spring cup joints in the outside of inserted bar, and compression spring's upper and lower both ends respectively with the inside top of installation cavity and the.

Preferably, the top one side of the first body of rod is articulated to be equipped with and to rotate the piece, the mouth of drawing has been seted up in the outside of the folding leg of second, the inboard of rotating the piece is rotated and is connected the gyro wheel, and the gyro wheel embedding is in drawing the mouth.

Preferably, the first rod body is internally provided with an elastic rope, and two ends of the elastic rope are respectively and fixedly connected with the inner end of the first rod body and the inner end of the second rod body.

Preferably, the top of the first folding leg is provided with a backrest, the backrest is of a plate-shaped structure, and two sides of the backrest are fixedly connected with the two first folding legs at two sides of the seat respectively.

Preferably, the bottom of the first folding leg is provided with a first connecting rod, the bottom of the second folding leg is provided with a second connecting rod, and two ends of the first connecting rod and the second connecting rod are respectively welded and fixed on the two first folding legs at two sides of the seat.

Preferably, the top end of the inserted bar is vertically upward and penetrates through the installation cavity, the pull ring is located on the outer side of the installation cavity, and the pull ring and the inserted bar are of an integrally formed structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the first rod body and the second rod body are arranged between the first folding leg and the second folding leg, when the folding chair is folded, the second rod body is completely inserted into the first rod body, the first rod body abuts against the second folding leg, when the folding chair is unfolded, the first rod body and the second rod body are kept in a horizontal state, the inserting rods are inserted into the inserting grooves, the total length of the first rod body and the second rod body is fixed, the folding chair is locked and cannot be easily folded, and the use of a user is facilitated;

2. the utility model discloses be provided with the first body of rod and the second body of rod in the bottom of folding chair and be used for supporting, because of the total length of the first body of rod and the second body of rod is fixed, and connects between the folding leg of the first body of rod and second and be equipped with the rotation piece, consequently compare traditional folding chair, bearing structure in the utility is more, and stability is also better.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of the present invention A;

fig. 3 is a schematic structural view of the first folding leg of the present invention.

In the figure: the folding chair comprises a folding chair body 1, a first folding leg 2, a second folding leg 3, a seat 4, a connecting piece 5, a backrest 6, a first rod body 7, a second rod body 8, a mounting cavity 9, an inserted rod 10, a slot 11, a fixed disk 12, a compression spring 13, a pull ring 14, an elastic rope 15, a rotating part 16 and a cut 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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. 1-3, the present invention provides a technical solution: the utility model provides a pvc folding chair is with locking structure fast, including folding chair body 1, folding chair body 1 is by first folding leg 2, second folding leg 3 and seat 4 are constituteed, the length of first folding leg 2 is greater than the length of second folding leg 3, and first folding leg 2 and the folding leg 3 of second all articulate on the side of seat 4, be equipped with connecting piece 5 between first folding leg 2 and the folding leg 3 of second, connecting piece 5 is located the top of seat 4, and the both ends of connecting piece 5 articulate respectively on first folding leg 2 and the folding leg 3 of second, the quantity of first folding leg 2 and second leg 3 is two, and two first folding legs 2 are located the both sides of seat 4 respectively, two folding legs 3 of second are located the both sides of seat 4 respectively.

A second rod body 8 is hinged on one side of the bottom of the first folding leg 2, a first rod body 7 is hinged on one side of the bottom of the second folding leg 3, the first rod body 7 and the second rod body 8 are identical in height, the first rod body 7 is of a hollow structure, an installation cavity 9 is welded on the top end of the first rod body 7, the second rod body 8 is inserted into the first rod body 7, a slot 11 is formed in one side of the top end of the second rod body 8, an insertion rod 10 is arranged inside the installation cavity 9, the inner end of the insertion rod 10 penetrates through the first rod body 7 and is embedded into the slot 11, a fixed disk 12 is sleeved on the outer side of the insertion rod 10, a pull ring 14 is arranged on the top end of the insertion rod 10, the fixed disk 12 and the insertion rod 10 are of an integrally formed structure, a compression spring 13 is arranged on the top end of the fixed disk, the compression spring 13 is sleeved on the outer side of the insertion rod 10, and the upper end and the lower end of the, when the folding chair is unfolded, the first rod 7 and the second rod 8 are kept horizontal, as shown in fig. 1, when the folding chair body 1 is folded, the second rod 8 is retracted into the first rod 7, the first rod 7 abuts against the second folding leg 3, the inner end of the inserted rod 10 is inserted into the slot 11 on the second rod 8, and therefore, the length of the first rod 7 and the second rod 8 is fixed.

Articulated being equipped with in top one side of the first body of rod 7 rotates piece 16, the cut 17 has been seted up in the outside of the folding leg 3 of second, the inboard of rotating piece 16 is rotated and is connected the gyro wheel, and the gyro wheel embedding is in cut 17, the gyro wheel can roll along cut 17, when folding chair body 1 expandes, the first body of rod 7, the folding leg 2 of second and rotate 16 whole constitution triangle-shaped form, when folding chair body 1 was packed up, the three laminated each other to be located same straight line.

The elastic rope 15 is arranged inside the first rod body 7, two ends of the elastic rope 15 are fixedly connected with the inner end of the first rod body 7 and the inner end of the second rod body 8 respectively, when the folding chair body 1 is unfolded, the elastic rope 15 is in a stretching state, and the elastic rope 15 has a tendency of pulling the second rod body 8 to contract towards the first rod body 7.

The top of the first folding leg 2 is provided with a backrest 6, the backrest 6 is of a plate-shaped structure, two sides of the backrest 6 are fixedly connected with the two first folding legs 2 on two sides of the seat 4 respectively, and the backrest 6 is made of PVC materials and has the effects of light weight and durability.

The bottom of the first folding leg 2 is provided with a first connecting rod, the bottom of the second folding leg 3 is provided with a second connecting rod, the two ends of the first connecting rod and the second connecting rod are respectively welded and fixed on the two first folding legs 2 at the two sides of the seat 4, and the stability and the firmness of the folding chair body 1 can be enhanced by the first connecting rod and the second connecting rod.

The top end of the plunger 10 is vertically upward and penetrates through the installation cavity 9, the pull ring 14 is positioned outside the installation cavity 9, and the pull ring 14 and the plunger 10 are of an integrally formed structure.

The working principle is as follows: the utility model discloses in, be provided with first body of rod 7 and the second body of rod 8 in the bottom of folding chair body 1, when folding chair body 1 was packed up, the second body of rod 8 shrink is in the inside of first body of rod 7, and the laminating of 2 legs of folding of first body of rod 7 and second, when folding chair body 1 expandes, first body of rod 7 and the second body of rod 8 will keep the horizontality, and under compression spring 13's spring action, the inner of inserted bar 10 will insert in the slot 11 on the 8 tops of the second body of rod, a total length for fixing first body of rod 7 and the second body of rod 8, a folding chair body 1 for support and lock is died, prevent at the removal in-process, folding chair body 1 is packed up suddenly. Meanwhile, one side of the top end of the first rod body 7 is hinged with a rotating part 16, the outer end of the rotating part 16 is connected into the cut 17 through a roller in a sliding mode, the rotating part 16 is used for supporting, the stability of the first rod body 7 and the second rod body 8 can be enhanced, and meanwhile when the folding chair body 1 is folded, the rotating part 16 and the second folding leg 3 and the first rod body 7 are kept on the same straight line.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pvc folding chair is with locking structure fast, includes folding chair body (1), its characterized in that: the folding chair body (1) is composed of a first folding leg (2), a second folding leg (3) and a seat (4), the length of the first folding leg (2) is greater than that of the second folding leg (3), the first folding leg (2) and the second folding leg (3) are hinged on the side edge of the seat (4), a connecting piece (5) is arranged between the first folding leg (2) and the second folding leg (3), the connecting piece (5) is positioned above the seat (4), the two ends of the connecting piece (5) are respectively hinged on the first folding leg (2) and the second folding leg (3), one side of the bottom of the first folding leg (2) is hinged with a second rod body (8), one side of the bottom of the second folding leg (3) is hinged with a first rod body (7), the first rod body (7) and the second rod body (8) are the same in height, the first rod body (7) is of a hollow structure, the top end of the first rod body (7) is welded with an installation cavity (9), the second rod body (8) is inserted into the first rod body (7), and one side of the top end of the second rod body (8) is provided with a slot (11), an inserting rod (10) is arranged inside the mounting cavity (9), the inner end of the inserted link (10) penetrates through the first link body (7) and is embedded in the slot (11), a fixed disc (12) is sleeved on the outer side of the inserted bar (10), a pull ring (14) is arranged at the top end of the inserted bar (10), the fixed disc (12) and the inserted bar (10) are of an integrated structure, and the top end of the fixed disc is provided with a compression spring (13), the compression spring (13) is sleeved outside the inserted bar (10), and the upper end and the lower end of the compression spring (13) are respectively attached to the top end in the mounting cavity (9) and the upper surface of the fixed disc (12).

2. The quick locking structure for pvc folding chairs according to claim 1, wherein: the top one side of the first rod body (7) is hinged to be provided with a rotating part (16), the outer side of the second folding leg (3) is provided with a scribing opening (17), the inner side of the rotating part (16) is rotated to be connected with a roller, and the roller is embedded into the scribing opening (17).

3. The quick locking structure for pvc folding chairs according to claim 1, wherein: the inside of the first rod body (7) is provided with an elastic rope (15), and two ends of the elastic rope (15) are respectively fixedly connected with the inner end of the first rod body (7) and the inner end of the second rod body (8).

4. The quick locking structure for pvc folding chairs according to claim 1, wherein: the top of the first folding leg (2) is provided with a backrest (6), the backrest (6) is of a plate-shaped structure, and two sides of the backrest (6) are fixedly connected with the two first folding legs (2) on two sides of the seat (4) respectively.

5. The quick locking structure for pvc folding chairs according to claim 1, wherein: the folding chair is characterized in that a first connecting rod is arranged at the bottom of each first folding leg (2), a second connecting rod is arranged at the bottom of each second folding leg (3), and the two ends of each first connecting rod and the two ends of each second connecting rod are welded and fixed to the two first folding legs (2) on the two sides of the chair (4) respectively.

6. The quick locking structure for pvc folding chairs according to claim 1, wherein: the top end of the inserted bar (10) vertically upwards penetrates through the installation cavity (9), the pull ring (14) is located on the outer side of the installation cavity (9), and the pull ring (14) and the inserted bar (10) are of an integrally formed structure.