CN218978406U

CN218978406U - Folding chair

Info

Publication number: CN218978406U
Application number: CN202223347698.3U
Authority: CN
Inventors: 贾情深
Original assignee: Yongkang Qingmu Industry And Trade Co ltd
Current assignee: Yongkang Qingmu Industry And Trade Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-09
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a folding chair, which comprises a folding chair main body, a first hinging rod, a second hinging rod, a first leg body and a second leg body, wherein the first hinging rod is connected with the first leg body; the middle ends of the first hinging rod and the second hinging rod are provided with a first hinging point, and a limiting body is arranged at the first hinging point; the left end of the first hinging rod and the right end of the second hinging rod are provided with second hinging points which are connected with the folding chair main body; the right end of the first hinging rod and the first leg body, and the left end of the second hinging rod and the second leg body are provided with a third hinging point. The folding effect can be realized through setting up first pin joint, second pin joint, third pin joint and guarantee folding chair main part below, limit the angle of opening of first pin joint pole and second pin joint pole and can also guarantee the fixed of its position simultaneously through setting up the spacing body, and it is portable on first leg body and second leg body to overlap through setting up the hinge, avoids appearing the problem of tong in the use, effectively reduces the possibility that causes the injury to the human body.

Description

Folding chair

Technical Field

The utility model relates to the field of folding, in particular to a folding chair.

Background

In order to save space and facilitate carrying, more and more people replace the traditional chairs used in the home with folding chairs for daily life.

A problem addressed in the prior art, such as in publication number CN204105355U, is that of folding chairs used at home or outdoors: the existing folding chair adopts an X-shaped hinge frame for folding, but the X-shaped hinge frame is fixedly hinged with the leg bodies of the chair, so that a supporting bar is required to be arranged, when the folding is required, the leg bodies on two sides are pushed to the middle, the X-shaped hinge frame is erected, meanwhile, the supporting bar is also erected and folded, the folding of the chair is realized, when the folding chair is required to be unfolded, the leg bodies on two sides are pulled to two sides, the X-shaped hinge frame is unfolded, meanwhile, the supporting bar is unfolded to support the upper ends of the X-shaped hinge frame, and the problem of clamping can occur in the use mode, so that the folding chair is harmful to human body.

Disclosure of Invention

The utility model provides a folding chair which uses another mode and mechanism to effectively solve the problems of the traditional folding chair.

The technical scheme adopted for solving the technical problems is as follows: the folding chair comprises a folding chair main body, and further comprises a first hinging rod, a second hinging rod, a first leg body and a second leg body, wherein the first hinging rod and the second hinging rod comprise a left end, a middle end and a right end; the middle ends of the first hinging rod and the second hinging rod are provided with a first hinging point, and a limiting body which is matched with the first hinging rod and the second hinging rod at the same time is arranged at the first hinging point and is used for limiting the maximum unfolding angle formed by the first hinging rod and the second hinging rod; the left end of the first hinging rod and the right end of the second hinging rod are provided with second hinging points which are connected with the folding chair main body; the right end of the first hinging rod and the first leg body, and the left end of the second hinging rod and the second leg body are provided with a third hinging point.

In the above technical scheme, further, the spacing body is arranged in between first articulated lever and the second articulated lever, the spacing body include main lamellar body and with vice lamellar body, vice lamellar body is provided with two sets of and is located the both ends of main lamellar body, simultaneously, two sets of vice lamellar body orientation respectively the fore-and-aft direction of main lamellar body respectively with first articulated lever and the cooperation of second articulated lever.

In the above technical scheme, further, the main sheet body is a symmetrical bending sheet body, and the formed included angle is the maximum angle that the first articulated rod and the second articulated rod are strutted.

In the above technical scheme, further, the auxiliary sheet body is in a bending shape, and limits the positions of the first hinging rod and the second hinging rod.

In the above technical scheme, further, the second pin joint department is provided with the articulated connection piece, be provided with connecting rod and handrail on the folding chair main part, on the folding chair main part handrail with the connecting rod with the left end of first pin joint pole all sets up on the articulated connection piece.

In the above technical scheme, further, the third hinge point is provided with a hinge sleeve, the hinge sleeves are all arranged on the first leg body and the second leg body, the right end of the first hinge rod and the left end of the second hinge rod are all hinged on the hinge sleeve, and the hinge sleeve can slide on the first leg body and the second leg body.

In the above technical scheme, further, the first leg body and the second leg body are U-shaped, and anti-slip pads are arranged at corners of the first leg body and the second leg body.

The folding chair comprises a folding chair main body, and further comprises a hinge rod formed by combining a first hinge rod and a second hinge rod, wherein the first leg body and the second leg body are combined to form a leg body, and the first hinge rod and the second hinge rod comprise a left end, a middle end and a right end; the middle ends of the first hinging rod and the second hinging rod are provided with a first hinging point, two limiting pieces which are arranged at intervals are arranged on the first hinging rod and the second hinging rod, the limiting pieces are arranged on two sides of the first hinging point and protrude out of the direction of the other hinging rod, and the limiting pieces are used for limiting the maximum unfolding angle formed by the first hinging rod and the second hinging rod; the left end of the first hinging rod and the right end of the second hinging rod are provided with second hinging points which are connected with the folding chair main body; the right end of the first hinging rod and the first leg body, and the left end of the second hinging rod and the second leg body are provided with a third hinging point.

The folding chair comprises a folding chair main body, and further comprises a hinge rod formed by combining a first hinge rod and a second hinge rod, wherein the first leg body and the second leg body are combined to form a leg body, and the first hinge rod and the second hinge rod comprise a left end, a middle end and a right end; the middle ends of the first hinging rod and the second hinging rod are provided with first hinging points, limiting pieces are arranged on the first hinging rod or the second hinging rod, and the limiting pieces are arranged on two sides of the left vertical central axis and the right vertical central axis of the hinging rod and protrude towards the other hinging rod to limit the maximum unfolding angle formed by the first hinging rod and the second hinging rod; the left end of the first hinging rod and the right end of the second hinging rod are provided with second hinging points which are connected with the folding chair main body; the right end of the first hinging rod and the first leg body, and the left end of the second hinging rod and the second leg body are provided with a third hinging point.

In the above technical scheme, further, the locating part is the locating pin, the locating pin is the cylindric that the tip is the hemisphere, two sets of the locating part is apart from the distance of first pin joint is unanimous.

The beneficial effects of the utility model are as follows: the folding effect can be realized through setting up first pin joint, second pin joint, third pin joint and guarantee folding chair main part below, limit the angle of opening of first pin joint pole and second pin joint pole and can also guarantee the fixed of its position simultaneously through setting up the spacing body, and it is portable on first leg body and second leg body to overlap through setting up the hinge, avoids appearing the problem of tong in the use, effectively reduces the possibility that causes the injury to the human body.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a perspective view of the present utility model in an expanded state.

Fig. 2 is a perspective view of the folded frame of the present utility model.

Fig. 3 is a perspective view of a retainer according to the present utility model.

Fig. 4 is a front view of the spacing body of the present utility model.

Fig. 5 is a perspective view of a first mounting means for the locating pin of the present utility model.

Fig. 6 is a perspective view of a second mounting means for the dowel of the present utility model.

Fig. 7 is a perspective view of a third mounting mode of the locating pin of the present utility model.

Fig. 8 is a perspective view of a fourth mounting mode of the locating pin of the present utility model.

In the figure, the first hinging rod, the second hinging rod, the first leg body, the second leg body, the left end, the middle end, the right end, the limiting body, the main sheet body, the auxiliary sheet body, the hinging connecting piece, the connecting rod, the supporting rod, the hinging sleeve, the anti-slip pad and the locating pin are respectively arranged in the specification, wherein the first hinging rod, the second hinging rod, the first leg body, the second leg body, the left end, the middle end, the right end, the limiting body, the main sheet body, the auxiliary sheet body, the hinging connecting piece, the connecting rod, the supporting rod, the hinging sleeve, the anti-slip pad and the locating pin are respectively arranged in the specification.

Detailed Description

Referring to fig. 1-8, a folding chair comprises a folding chair main body, and further comprises a first hinging rod 1, a second hinging rod 2, a first leg body 3 and a second leg body 4, wherein the first hinging rod 1 and the second hinging rod 2 comprise a left end 5, a middle end 6 and a right end 7; the middle ends 6 of the first hinging rod 1 and the second hinging rod 2 are provided with a first hinging point, and a limiting body 8 which is matched with the first hinging rod 1 and the second hinging rod 2 at the same time is arranged at the first hinging point; the left end 5 of the first hinging rod 1 and the right end 7 of the second hinging rod 2 are provided with a second hinging point which is connected with the folding chair main body; the right end 7 of the first hinge rod 1 and the first leg body 3, and the left end 5 of the second hinge rod 2 and the second leg body 4 are provided with a third hinge point.

The limit structure of the limit body 8 may be replaced by a limit member, which is a locating pin 14, in order that the locating pin 14 does not generate extrusion or collision when contacting the hinge rod, the end of the locating pin 14 is hemispherical and is cylindrical as a whole, specifically, in a first mode, two groups of locating pins 14 are arranged on the first hinge rod 1 and towards one side of the second hinge rod 2, meanwhile, the locating pins 14 are arranged on two sides of the first hinge point, in a second mode, two groups of locating pins 14 are arranged on the second hinge rod 2 and towards one side of the first hinge rod 1, the locating pins 14 are arranged on two sides of the first hinge point, in a third mode, one group of locating pins 14 respectively towards the second hinge rod 2 and the first hinge rod 1 are arranged on the first hinge rod 1 and the second hinge rod 2, the two sets of positioning pins 14 are arranged on two sides of the left vertical central axis and the right vertical central axis of the first hinge point and are symmetrical, the positioning pins 14 on the first hinge rod 1 are positioned at the upper end of the second hinge rod 2, the positioning pins 14 on the second hinge rod 2 are positioned at the upper end of the first hinge rod 1, a group of positioning pins 14 respectively facing the second hinge rod 2 and the first hinge rod 1 are also arranged on the first hinge rod 1 and the second hinge rod 2 in a fourth mode, the two sets of positioning pins 14 are arranged on two sides of the left vertical central axis and the right vertical central axis of the first hinge point and are symmetrical, the positioning pins 14 on the first hinge rod 1 are positioned at the lower end of the second hinge rod 2, the positioning pin 14 on the second hinge rod 2 is located at the lower end of the first hinge rod 1.

In addition, a fifth mode is provided, in order to enhance reliability, two sets of positioning pins 14 are provided on the first hinge rod 1 and the second hinge rod 2, and the mounting modes of the positioning pins 14 are a combination of the first mode and the second mode.

Wherein, in the middle end 6 of the first hinge rod 1 and the middle end 6 of the second hinge rod 2, and the center of the limiting body 8 is provided with a shaft hole, and a rotating shaft penetrating through the three shaft holes is provided to connect the three, and the limiting body 8 is arranged between the first hinge rod 1 and the second hinge rod 2.

The limiting body 8 comprises a main sheet body 81 and an auxiliary sheet body 82, the main sheet body 81 is in an inverted V shape and is in transition connection in the middle through an arc, so that an included angle is formed, the auxiliary sheet body 82 is arranged at two ends of the main sheet body 81 and is located at the upper end surface, two groups of auxiliary sheet bodies 82 are opposite in direction and respectively face the front and the rear of the main sheet body 81, the auxiliary sheet bodies 82 are bent to form grooves, the grooves comprise long edges and short edges, the long edges are perpendicular to the main sheet body 81, the short edges are perpendicular to the long edges, the short edges are parallel to the main sheet body 81, grooves formed by the auxiliary sheet bodies 82 are downward, and the first hinge rod 1 and the second hinge rod 2 are located below the auxiliary sheet body 82, and the maximum spreading angle between the first hinge rod 1 and the second hinge rod 2 is consistent with the included angle of the main sheet body 81.

The first hinge rod 1 and the second hinge rod 2 may be square tubes or round tubes, and the square tubes and the round tubes are limited in grooves formed by the auxiliary sheet 82.

The second hinge point is provided with the hinge connection piece 9 be provided with three tie points on the hinge connection piece 9 be provided with handrail 11 and connecting rod 10 on the folding chair main part, connecting rod 10 is fixed connection on the hinge connection piece 9, first hinge rod 1 left end 5 with right-hand member 7 of second hinge rod 2 is also fixed on the hinge connection piece 9, handrail 11 is in for rotating connection on the hinge connection piece 9, two be provided with rotatable back of the body pole on handrail 11, set up like this, can make folding chair main part wholly realizes folding.

The hinge sleeve 12 is arranged at the third hinge point, the hinge sleeve 12 is respectively sleeved on the first leg body 3 and the second leg body 4, the hinge sleeve 12 can slide up and down on the first leg body 3 and the second leg body 4, the first leg body 3 and the second leg body 4 are U-shaped, the hinge sleeve 12 can be ensured to be sleeved around, in order to prevent the sliding of the folding chair main body, the anti-slip pad 13 is arranged at the corner formed by the first leg body 3 and the second leg body 4, and the material is rubber.

The working process of the utility model comprises the following steps: the initial state is the expansion state, and at this moment first articulated lever 1 and second articulated lever 2 imbeds in the recess that vice lamellar body 82 formed and keep laminating, the contained angle that first articulated lever 1 and second articulated lever 2 formed is biggest, is horizontal fork type structure, articulated cover 12 be in the upper position on first leg body 3 and second leg body 4, when folding, through will first articulated lever 1 and second articulated lever 2 inwards squeeze, first articulated lever 1 and second articulated lever 2 follow from vice lamellar body 82 breaks away from, changes vertical fork type structure from horizontal fork type structure, at this moment articulated cover 12 follow the upper position of first leg body 3 and second leg body 4 is followed first leg body 3 and second leg body 4 direction downwardly moving.

When the positioning pins 14 are used for limiting, the first hinge rod and the second hinge rod are contacted through the two groups of the positioning pins 14, so that the first hinge rod and the second hinge rod form a maximum or minimum included angle which is used for corresponding to an unfolding state and a folding state respectively.

The foregoing is merely one embodiment of the present utility model and is not intended to limit the utility model in any way, and simple modifications, equivalent variations or modifications can be made without departing from the technical solution of the present utility model, all falling within the scope of the utility model.

Claims

1. The folding chair comprises a folding chair main body and is characterized by further comprising a hinge rod formed by combining a first hinge rod and a second hinge rod, wherein the first leg body and the second leg body are combined into a leg body, and the first hinge rod and the second hinge rod comprise a left end, a middle end and a right end;

the middle ends of the first hinging rod and the second hinging rod are provided with a first hinging point, and a limiting body which is matched with the first hinging rod and the second hinging rod at the same time is arranged at the first hinging point and is used for limiting the maximum unfolding angle formed by the first hinging rod and the second hinging rod;

the left end of the first hinging rod and the right end of the second hinging rod are provided with second hinging points which are connected with the folding chair main body;

the right end of the first hinging rod and the first leg body, and the left end of the second hinging rod and the second leg body are provided with a third hinging point.

2. The folding chair as in claim 1, wherein the limiting body is disposed between the first hinge rod and the second hinge rod, the limiting body comprises a main body and auxiliary body, the auxiliary body is provided with two groups and is located at two ends of the main body, and simultaneously, the two groups of auxiliary body respectively face to the front-back direction of the main body and respectively match with the first hinge rod and the second hinge rod.

3. The folding chair as in claim 2, wherein the main body is a symmetrical bent body, and the included angle is the maximum angle that the first hinge rod and the second hinge rod are spread apart.

4. The folding chair as in claim 2, wherein the sub-sheet is bent to limit the positions of the first hinge lever and the second hinge lever.

5. The folding chair as in claim 1, wherein the second hinge point is provided with a hinge connection piece, the folding chair body is provided with a connecting rod and a supporting rod, and the supporting rod and the left ends of the connecting rod and the first hinge rod on the folding chair body are both arranged on the hinge connection piece.

6. The folding chair as in claim 1, wherein the third hinge point is provided with hinge sleeves, the hinge sleeves are provided on the first leg body and the second leg body, the right end of the first hinge rod and the left end of the second hinge rod are hinged on the hinge sleeves, and the hinge sleeves are slidable on the first leg body and the second leg body.

7. The folding chair as in claim 1, wherein the first leg and the second leg are U-shaped, and wherein anti-slip pads are provided at corners of the first leg and the second leg.

8. The folding chair comprises a folding chair main body and is characterized by further comprising a hinge rod formed by combining a first hinge rod and a second hinge rod, wherein the first leg body and the second leg body are combined into a leg body, and the first hinge rod and the second hinge rod comprise a left end, a middle end and a right end;

the middle ends of the first hinging rod and the second hinging rod are provided with a first hinging point, two limiting pieces which are arranged at intervals are arranged on the first hinging rod and the second hinging rod, the limiting pieces are arranged on two sides of the first hinging point and protrude out of the direction of the other hinging rod, and the limiting pieces are used for limiting the maximum unfolding angle formed by the first hinging rod and the second hinging rod;

9. The folding chair comprises a folding chair main body and is characterized by further comprising a hinge rod formed by combining a first hinge rod and a second hinge rod, wherein the first leg body and the second leg body are combined into a leg body, and the first hinge rod and the second hinge rod comprise a left end, a middle end and a right end;

the middle ends of the first hinging rod and the second hinging rod are provided with first hinging points, limiting pieces are arranged on the first hinging rod or the second hinging rod, and the limiting pieces are arranged on two sides of the left vertical central axis and the right vertical central axis of the hinging rod and protrude towards the other hinging rod to limit the maximum unfolding angle formed by the first hinging rod and the second hinging rod;

10. A folding chair according to claim 8 or 9, wherein the limiting members are positioning pins, the positioning pins are cylindrical with hemispherical ends, and the distance between the two groups of limiting members and the first hinge point is consistent.