CN212995493U - Folding structure of folding chair - Google Patents
Folding structure of folding chair Download PDFInfo
- Publication number
- CN212995493U CN212995493U CN202021179890.4U CN202021179890U CN212995493U CN 212995493 U CN212995493 U CN 212995493U CN 202021179890 U CN202021179890 U CN 202021179890U CN 212995493 U CN212995493 U CN 212995493U
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- tube
- foot tube
- rear foot
- piece
- sliding
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Abstract
The utility model provides a folding structure of a folding chair, in particular to the field of folding chairs, which comprises a back foot tube, a front foot tube and a back tube for supporting, wherein the lower end of the back tube supports the ground, and the upper part of the back tube is used for leaning; the lower end of the front foot tube is rotationally connected with the lower end of the back tube, and the upper end of the front foot tube is rotationally connected with the back tube through the handrail tube; the lower end of the rear foot tube supports the ground, and the upper end of the rear foot tube is provided with a rotating piece; the lower end of the rotating piece is provided with a fixed groove connected with the rear foot tube; the upper end surface of the rotating part is provided with a clamping groove, and the middle part of the back tube is rotatably connected with the two sides of the clamping groove of the rotating part; the sliding piece is arranged on the rear foot tube and can slide on the rear foot tube in a reciprocating manner, and the upper end of the sliding piece and the rotating piece are blocked mutually; one end of the seat tube is bent upwards, and the end of the seat tube is rotationally connected with the side part of the sliding part; the other end of the seat pipe can move up and down. The utility model discloses can improve structural support's stability.
Description
Technical Field
The utility model belongs to the folding chair field, concretely relates to folding structure of folding chair.
Background
The folding chair is a portable chair with a folding function, is convenient to move and saves space. The device is commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places; however, the supporting stability of the folding structure of the existing folding chair still needs to be further improved; in view of the above disadvantages, there is a need for a folding structure of a foldable chair, which can improve the stability of the structural support.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a folding structure of folding chair can improve the stability of structural support.
The utility model provides a following technical scheme:
a folding structure of a folding chair comprises a rear foot tube, a front foot tube and a back tube which are used for supporting, wherein the lower end of the back tube supports the ground, and the upper part of the back tube is used for leaning; the lower end of the front foot tube is rotationally connected with the lower end of the back tube, and the upper end of the front foot tube is rotationally connected with the back tube through the handrail tube;
the lower end of the rear foot tube supports the ground, and the upper end of the rear foot tube is provided with a rotating piece; the lower end of the rotating piece is provided with a fixed groove connected with the rear foot tube;
the upper end surface of the rotating part is provided with a clamping groove, and the middle part of the back tube is rotatably connected with the two sides of the clamping groove of the rotating part;
the sliding piece is arranged on the rear foot tube and can slide on the rear foot tube in a reciprocating manner, and the upper end of the sliding piece and the rotating piece are blocked mutually; one end of the seat tube is bent upwards, and the end of the seat tube is rotationally connected with the side part of the sliding part; the other end of the seat pipe can move up and down.
Preferably, the rear foot tube is provided with a fixing piece and a connecting tube sliding piece, the fixing piece is fixed on the rear foot tube, and the connecting tube sliding piece can slide on the rear foot tube in a reciprocating manner; one end of the connecting pipe is hinged with the connecting pipe sliding part, and the other end of the connecting pipe is rotatably connected with the back pipe.
Preferably, the clamping groove of the rotating part is attached to the lower part of the back tube; the sliding part comprises a sliding sleeve, and the rear foot tube penetrates through the sliding sleeve; the lateral part of sliding sleeve is equipped with sits the pipe draw-in groove, sits the pipe and sits pipe draw-in groove lateral wall and rotate and be connected.
Preferably, the front foot tube is rotatably connected with the lower side of the handrail tube, and the side part of the handrail tube is rotatably connected with the side part of the back tube.
The utility model has the advantages that:
the utility model discloses sit the pipe and increase a bending, be connected with the slider, slider and back foot pipe slide in fold condition, and back foot pipe is connected and is connected with the back of the body pipe with rotating to this forms a slidable triangle-shaped. Compared with the traditional structure, the structure has the advantages that the stress is increased, and meanwhile, one more connecting structure is arranged, so that the whole product has more integrity. The danger that the front seat tube is easy to tip inwards due to connection of two points is avoided, and meanwhile, the parallelism of the handrail tube and the handrail connecting piece is kept constant, so that the fracture risk of the handrail connecting piece is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a view of the structure of the present invention;
FIG. 2 is a partial view of the present invention;
FIG. 3 is a structural view of the utility model after folding;
labeled as: 1. a front leg tube; 2. a rear foot tube; 3. a back tube; 4. a seat pipe; 5. a connecting pipe; 6. a slider; 7. a rotating member; 8. a handrail tube; 9. a fixing member; 10. the pipe slider is connected.
Detailed Description
As shown in fig. 1 to 3, a folding structure of a folding chair comprises a rear leg tube 2, a front leg tube 1 and a back tube 3 for supporting, wherein the lower end of the back tube 3 supports the ground, and the upper part of the back tube 3 is used for leaning; the lower end of the front foot tube 1 is rotatably connected with the lower end of the back tube 3, and the upper end of the front foot tube 1 is rotatably connected with the back tube 3 through the handrail tube 8; the lower end of the rear foot tube 2 supports the ground, and the upper end of the rear foot tube 2 is provided with a rotating piece 7; the lower end of the rotating piece 7 is provided with a fixed groove which is connected with the rear foot tube 2; the upper end surface of the rotating part 7 is provided with a clamping groove, and the middle part of the back tube 3 is rotatably connected with two sides of the clamping groove of the rotating part 7; a sliding part 6 is arranged on the rear foot tube 2, the sliding part 6 can slide on the rear foot tube 2 in a reciprocating way, and the upper end of the sliding part 6 and the rotating part 7 are blocked mutually; one end of the seat tube is bent upwards, and the end of the seat tube 4 is rotationally connected with the side part of the sliding part 6; the other end of the seat pipe 4 can move up and down. The rear foot tube 2 is provided with a fixed part 9 and a connecting pipe sliding part 10, the fixed part 9 is fixed on the rear foot tube 2, and the connecting pipe sliding part 10 can slide on the rear foot tube 2 in a reciprocating manner; one end of the connecting pipe 5 is hinged with the connecting pipe sliding part 10, and the other end of the connecting pipe 5 is rotatably connected with the back pipe 3. The clamping groove of the rotating piece 7 is attached to the lower part of the back tube 3; the sliding part 6 comprises a sliding sleeve, and the rear foot tube 2 penetrates through the sliding sleeve; the lateral part of sliding sleeve is equipped with sits the pipe draw-in groove, sits pipe 4 and sits pipe draw-in groove lateral wall and rotate and be connected. The front foot tube 1 is rotatably connected with the lower side of the handrail tube 8, and the side part of the handrail tube 8 is rotatably connected with the side part of the back tube 3;
the utility model discloses a working method:
as shown in fig. 1 to 3, the seat tube 4 is additionally bent to connect with the sliding member 6, the sliding member 6 slides with the rear leg tube 2 in the folded state, and the rear leg tube 2 is connected with the rotating member 7 and with the back tube 3, thereby forming a slidable triangle. Compared with the prior structure, the structure has the advantages that the stress is increased, and meanwhile, one more connecting structure is arranged, so that the whole product has more integrity. The danger that the front seat tube is easy to tip inwards due to connection of two points is avoided, and meanwhile, the parallelism of the handrail tube 8 and the handrail connecting piece is kept constant, so that the fracture risk of the handrail connecting piece is reduced;
although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A folding structure of a folding chair is characterized in that: the multifunctional electric scooter comprises a rear foot tube, a front foot tube and a back tube which are used for supporting, wherein the lower end of the back tube supports the ground, and the upper part of the back tube is used for leaning; the lower end of the front foot tube is rotationally connected with the lower end of the back tube, and the upper end of the front foot tube is rotationally connected with the back tube through the handrail tube;
the lower end of the rear foot tube supports the ground, and the upper end of the rear foot tube is provided with a rotating piece; the lower end of the rotating piece is provided with a fixed groove connected with the rear foot tube;
the upper end surface of the rotating part is provided with a clamping groove, and the middle part of the back tube is rotatably connected with the two sides of the clamping groove of the rotating part;
the sliding piece is arranged on the rear foot tube and can slide on the rear foot tube in a reciprocating manner, and the upper end of the sliding piece and the rotating piece are blocked mutually; one end of the seat tube is bent upwards, and the end of the seat tube is rotationally connected with the side part of the sliding part; the other end of the seat pipe can move up and down.
2. The folding structure of a folding chair as claimed in claim 1, wherein: the rear foot tube is provided with a fixing piece and a connecting pipe sliding piece, the fixing piece is fixed on the rear foot tube, and the connecting pipe sliding piece can slide on the rear foot tube in a reciprocating manner; one end of the connecting pipe is hinged with the connecting pipe sliding part, and the other end of the connecting pipe is rotatably connected with the back pipe.
3. The folding structure of a folding chair as claimed in claim 2, wherein: the clamping groove of the rotating piece is attached to the lower part of the back tube; the sliding part comprises a sliding sleeve, and the rear foot tube penetrates through the sliding sleeve; the lateral part of sliding sleeve is equipped with sits the pipe draw-in groove, sits the pipe and sits pipe draw-in groove lateral wall and rotate and be connected.
4. The folding structure of a folding chair as claimed in claim 3, wherein: the front foot tube is rotatably connected with the lower side of the handrail tube, and the side part of the handrail tube is rotatably connected with the side part of the back tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021179890.4U CN212995493U (en) | 2020-06-23 | 2020-06-23 | Folding structure of folding chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021179890.4U CN212995493U (en) | 2020-06-23 | 2020-06-23 | Folding structure of folding chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212995493U true CN212995493U (en) | 2021-04-20 |
Family
ID=75497108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021179890.4U Active CN212995493U (en) | 2020-06-23 | 2020-06-23 | Folding structure of folding chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212995493U (en) |
-
2020
- 2020-06-23 CN CN202021179890.4U patent/CN212995493U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |