CN218869827U - Folding chair - Google Patents
Folding chair Download PDFInfo
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- CN218869827U CN218869827U CN202223421266.2U CN202223421266U CN218869827U CN 218869827 U CN218869827 U CN 218869827U CN 202223421266 U CN202223421266 U CN 202223421266U CN 218869827 U CN218869827 U CN 218869827U
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- seat
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Abstract
A folding chair comprises a seat frame, a back frame, armrests, front foot rods, back foot rods, a U-shaped hinged frame, grooved rollers and a hinged frame plate, wherein the front foot rods and the back foot rods are hinged with the front part and the back part of the armrests respectively, and the back ends of the armrests are hinged with upright rods of the back frame; the closed end of the U-shaped hinged frame is hinged with the rear part of the side lever of the seat frame, and the hinged frame plate is hinged with the middle part of the rear foot lever; the lower end of the upright of the back frame is inserted into the U-shaped hinged frame, the idler wheel with the groove is arranged in one end of the two hinged frame plates, the dead axle passes through the hinged frame plates, the idler wheel with the groove, the U-shaped hinged frame and the lower end of the upright of the back frame, and the groove of the idler wheel with the groove is matched with the back foot bar; in a folded state, the seat frame is opposite to the back frame, the armrests, the back foot rods and the front foot rods are superposed, and the back foot rods are in supporting fit with the supporting surface. When the folding seat is converted from the unfolding use state to the folding state, the folding seat can be realized only by lifting the front cross rod of the seat frame upwards; when the folding state is converted to the unfolding state, the rear foot rods are supported with the ground, and the seat frame is directly converted.
Description
Technical Field
The utility model relates to a chair which can be disassembled and folded for leisure.
Background
At present, chinese patent 201820640545.2, a folding chair with handrails easy to carry, including folding support, seat cloth cover matched with folding support, elastic rope, handrails and storage bag, the folding support includes left front foot bar, right front foot bar, left back foot bar, right back foot bar, left front support bar, right front support bar, left back bar, right back bar, left handrail bar, right handrail bar, support cross bar, left seat support bar, right seat support bar and connection sleeve, all the parts of the body of rod are fixedly connected by elastic rope, four corners of the seat cloth cover are fixedly sleeved on the top ends of the left back bar, right back bar, left seat support bar and right seat support bar, and handrails are arranged between the left back bar and the left handrail bar and between the right back bar and the right handrail bar. There are problems in that: the parts need to be disassembled to be folded.
Chinese patent 201922210090.8, a folding chair, including chair cloth, chair cloth's bottom is provided with the stay tube, a plurality of round hole has been seted up on the surface of stay tube, the front side symmetry on stay tube surface is provided with preceding branch pipe, the rear side symmetry on stay tube surface is provided with the back branch pipe, the bottom on stay tube surface is provided with four supporting legs, preceding branch pipe, back branch pipe and supporting leg all peg graft with the round hole, the other end of preceding branch pipe and back branch pipe cup joints with chair cloth's four corners respectively. There are problems in that: the parts need to be disassembled, so that the folding can be realized, and the stability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the folding chair has the characteristics of convenient folding and unfolding conversion, stability and no shaking.
The utility model discloses a realize like this: a folding chair is characterized in that: it comprises a seat frame, a back frame with a lower opening, a handrail, a front foot rod, a back foot rod, a U-shaped hinged frame, a roller with a groove and a hinged frame plate,
the front foot rod and the rear foot rod are respectively hinged with the front part and the rear part of the handrail, and the rear end of the handrail is hinged with the upright rod of the back frame; the closed end of the U-shaped hinged frame is hinged with the rear part of the side lever of the seat frame, and the hinged frame plate is hinged with the middle part of the rear foot lever; the lower end of the upright of the back frame is inserted into the U-shaped hinged frame, the idler wheel with the groove is arranged in one end of the two hinged frame plates, the dead axle passes through the hinged frame plates, the idler wheel with the groove, the U-shaped hinged frame and the lower end of the upright of the back frame, and the groove of the idler wheel with the groove is matched with the back foot bar;
in a folded state, the seat frame is opposite to the back frame, the armrests, the back foot rods and the front foot rods are superposed, and the back foot rods are in supporting fit with the supporting surface.
The folding chair is characterized in that: also comprises a spacing shaft sleeve which is arranged on the outer side of the shell,
the spacing shafts are sleeved between the upright rods and the handrails and between the front foot rods and the side rods of the seat frame;
and a spacing shaft sleeve is arranged between the U-shaped hinged frame and the hinged frame plate.
The folding chair is characterized in that: the armrest has a lower opening and a rear opening,
the front foot rod and the rear foot rod extend out of the lower opening in a use state, and the rear foot rod is embedded with the rear opening in a folded state.
The folding chair is characterized in that: also comprises a front cross beam and a rear cross beam,
the two ends of the front beam are fixed with the front foot rods, and the rear beam is fixed with the rear foot rods.
The folding chair is characterized in that: the top cross rod of the back frame is in an arc shape with a lower opening;
the seat frame comprises a rear frame with a front opening and a front seat rod, and the front seat rod is arc-shaped;
the front seat rod and the top cross rod are matched.
The folding chair is characterized in that: the section of the rear frame is square;
the section of the upright of the back frame is square.
The folding chair is characterized in that: the cross sections of the front foot rod and the rear foot rod are square.
The utility model relates to a folding chair, when the folding chair is converted from the unfolding use state to the folding state, the folding chair can be realized only by lifting the front cross bar of the seat frame upwards; when the folding state is converted to the unfolding state, the rear foot rods are supported with the ground, and the seat frame is directly converted.
Drawings
Fig. 1 is one of perspective views of the present invention.
Fig. 2 is a second perspective view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a partial perspective sectional view of the present invention.
Fig. 5 is a partially enlarged view of fig. 4.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in figure 1, the folding chair comprises a seat frame 1, a back frame 2 with a lower opening, armrests 3, front foot rods 4, back foot rods 5, a U-shaped hinged frame 6, grooved rollers 7 and a hinged frame plate 8,
the front foot rod 4 and the rear foot rod 5 are respectively hinged with the front part and the rear part of the handrail 3, and the rear end of the handrail 3 is hinged with the upright rod 21 of the back frame 2; the closed end of the U-shaped hinged frame 6 is hinged with the rear part of the side lever 1A of the seat frame 1, and the hinged frame plate 8 is hinged with the middle part of the rear foot lever 5; the lower end of the upright post 21 of the back frame 2 is inserted into the U-shaped hinged frame 6, the roller 7 with the groove is arranged in one end of the two hinged frame plates 8, the dead axle passes through the upper end of the hinged frame plates 8, the roller 7 with the groove, the U-shaped hinged frame 6 and the lower end of the upright post 21 of the back frame 2, and the groove of the roller 7 with the groove is matched with the back foot bar 5;
in a folded state, the seat frame 1 is opposite to and attached to the back frame 2, and the top cross bar of the back frame 2 and the front seat bar of the seat frame 1 form a handle; the handrail 3, the rear foot rod 5 and the front foot rod 4 are superposed, and the rear foot rod 5 is in supporting fit with the supporting surface;
the armrest 3, the lower part of the upright 21, the rear foot bar 5 and the hinged frame plate 8 form a four-bar mechanism which can move freely and is stable in the unfolded use state.
Fig. 1 and 3 are views showing the usage state of the present invention, in the usage state, i.e. the expansion state, the rear foot bar 5 is matched with the supporting ground support, the front end of the seat frame 1 is lifted up, and the seat frame 1 rotates counterclockwise relative to the back frame 2; meanwhile, the armrest 3 rotates anticlockwise relative to the back frame 2, and the front foot rod and the back foot rod rotate relative to the armrest 3 and the seat frame until the seat frame 1 and the back frame 2 are attached, and the armrest 3, the back foot rod 5 and the front foot rod 4 are superposed; folding is realized;
when the folding state and the unfolding use state are switched, the rear foot rods 5 are supported with the ground, the seat frame 1 rotates clockwise relative to the back frame 2, the handrails rotate clockwise, and then the front foot rods are supported with the ground, so that the unfolding state is completed.
As shown in fig. 3, the hinge joint 41 between the front leg rod 4 and the armrest 3 is located below the horizontal line a where the hinge joint 51 between the rear leg rod 5 and the armrest 3 is located.
As a further improvement of the utility model: the armrest 3 has a lower opening and a rear opening,
the front leg bar 4 and the rear leg bar 5 are extended from the lower opening in the use state, and the rear leg bar 5 is fitted into the rear opening in the folded state.
As a further improvement of the utility model: also included is a spacer sleeve 9 which,
the spacing shaft sleeves 8 are arranged between the upright rod 21 and the handrail 3 and between the front foot rod 4 and the side rod 1A of the seat frame 1;
and a spacing shaft sleeve 9 is arranged between the U-shaped hinged frame 6 and the hinged frame plate 8, and the spacing shaft sleeve 9 is matched with the open end of the U-shaped hinged frame 6.
As a further improvement of the utility model: also included are a front cross member 101 and a rear cross member 102,
two ends of the front beam 101 are fixed with the front foot rods 4, and the rear beam 102 is fixed with the rear foot rods 5;
the folding chair is characterized by further comprising a fixing seat 103, wherein the fixing seat comprises a seat plate and an inserting pipe, the seat plate is fixed with the rear foot rod and the front foot rod, and two ends of the front cross beam 101 and two ends of the rear cross beam 102 are respectively inserted into the inserting pipe.
The top cross bar 22 of the back frame 2 is arc-shaped with a lower opening; the corner connecting piece 11 is connected with the end part of the top cross rod 22 and the end part of the upright rod 21;
the seat frame 1 comprises a rear frame 1B with a front opening, a front seat rod 1C and a front corner connecting piece 12, wherein the front seat rod 1C is arc-shaped; the rear frame 1B comprises a rear cross bar 1B1 and a side bar 1A and is integrally formed;
the front seat post 1C and the top rail 22 are adapted. The corner connecting piece 11 and the front corner connecting piece 12 have the same structure and specification; the section of the upright rod for manufacturing the back frame 2 is the same as that of the back frame 1B, and the top cross rod and the front seat plate are made of the same material.
The sections of a rear cross rod 1B1 and a side rod 1A of the rear frame 1B are square;
the section of the upright rod 21 of the back frame 2 is square;
the cross sections of the front foot rod 4 and the rear foot rod 5 are square.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A folding chair, which is characterized in that: it comprises a seat frame, a back frame with a lower opening, a handrail, a front foot rod, a back foot rod, a U-shaped hinged frame, a roller with a groove and a hinged frame plate,
the front foot rod and the rear foot rod are respectively hinged with the front part and the rear part of the handrail, and the rear end of the handrail is hinged with the upright rod of the back frame; the closed end of the U-shaped hinged frame is hinged with the rear part of the side lever of the seat frame, and the hinged frame plate is hinged with the middle part of the rear foot lever; the lower end of the upright of the back frame is inserted into the U-shaped hinged frame, the idler wheel with the groove is arranged in one end of the two hinged frame plates, the fixed shaft penetrates through the hinged frame plates, the idler wheel with the groove, the U-shaped hinged frame and the lower end of the upright of the back frame, and the groove of the idler wheel with the groove is matched with the back foot rod;
in the folded state, the seat frame is opposite to the back frame, the armrests, the back foot rods and the front foot rods are superposed, and the back foot rods are in supporting fit with the supporting surface.
2. A folding chair according to claim 1, characterised in that: the hinged position of the front foot rod and the armrest is positioned below the straight line of the hinged position of the rear foot rod and the armrest.
3. A folding chair according to claim 1, characterised in that: the armrest has a lower opening and a rear opening,
the front foot rod and the rear foot rod extend out of the lower opening in a use state, and the rear foot rod is embedded with the rear opening in a folded state.
4. A folding chair according to claim 1, characterised in that: also comprises a spacing shaft sleeve which is arranged on the outer side of the bearing,
the spacing shafts are sleeved between the upright rods and the handrails and between the front foot rods and the side rods of the seat frame;
and a spacing shaft sleeve is arranged between the U-shaped hinged frame and the hinged frame plate.
5. A folding chair according to claim 1, characterised in that: also comprises a front cross beam and a rear cross beam,
the two ends of the front beam are fixed with the front foot rods, and the rear beam is fixed with the rear foot rods.
6. A folding chair according to claim 1, 2, 3, 4 or 5, wherein: the top cross rod of the back frame is in an arc shape with a lower opening;
the seat frame comprises a rear frame with a front opening and a front seat rod, and the front seat rod is arc-shaped;
the front seat rod is matched with the top cross rod.
7. A folding chair according to claim 6, characterised in that: the section of the rear frame is square;
the section of the upright of the back frame is square.
8. A folding chair according to claim 7, characterised in that: the cross sections of the front foot rod and the rear foot rod are square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223421266.2U CN218869827U (en) | 2022-12-17 | 2022-12-17 | Folding chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223421266.2U CN218869827U (en) | 2022-12-17 | 2022-12-17 | Folding chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218869827U true CN218869827U (en) | 2023-04-18 |
Family
ID=85946210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223421266.2U Active CN218869827U (en) | 2022-12-17 | 2022-12-17 | Folding chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218869827U (en) |
-
2022
- 2022-12-17 CN CN202223421266.2U patent/CN218869827U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |