CN213786353U - Hard armchair - Google Patents
Hard armchair Download PDFInfo
- Publication number
- CN213786353U CN213786353U CN202022781450.2U CN202022781450U CN213786353U CN 213786353 U CN213786353 U CN 213786353U CN 202022781450 U CN202022781450 U CN 202022781450U CN 213786353 U CN213786353 U CN 213786353U
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- tube
- hinged
- seat
- supporting
- pipe
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- 230000008093 supporting effect Effects 0.000 claims abstract description 57
- 210000001364 upper extremity Anatomy 0.000 claims description 7
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/28—Folding chairs with flexible coverings for the seat or back elements
- A47C4/286—Folding chairs with flexible coverings for the seat or back elements foldable side to side and front to back, e.g. umbrella type
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Abstract
The utility model provides a hard armchair, which comprises a side frame, a front frame, a rear frame and an armrest component, wherein the side frame comprises a seat tube, a front foot tube and a rear foot tube, the rear end of the seat tube is assembled on the rear foot tube in a sliding way through a sliding connection seat, a positioning sleeve is fixed on the rear foot tube above the sliding connection seat, the upper end of the front foot tube is hinged at the middle position of the seat tube, the lower ends of the front foot tube and the rear foot tube are respectively used for landing and supporting, and the lower end of the front foot tube is provided with a limiting seat; the handrail component comprises a handrail tube and a handrail supporting tube; the rear end of the handrail tube is hinged with the upper end of the rear foot tube, the upper end of the handrail supporting tube is hinged with the front end of the handrail tube, the middle part of the handrail supporting tube is hinged with the front end of the seat tube, and the lower end of the handrail supporting tube is assembled on the front foot tube in a sliding way through a sliding sleeve; and under the expansion state, the sliding connection seat is upwards abutted against the positioning sleeve, and the sliding sleeve is downwards abutted against the limiting seat. The folding and unfolding mechanism has the characteristics of good support and simple structure, and realizes linkage folding or unfolding.
Description
Technical Field
The utility model relates to a seat field, concretely relates to collapsible seat, it is specific again, relate to a hard armchair that support nature is good.
Background
The seat is a daily seating appliance, and the seat is widely divided into a fixed seat and a foldable seat, and the foldable seat is convenient to store and transport and widely used outdoors, such as a beach chair and the like. In general, the foldable seat may also be provided with a structure for arm rests, such as a beach chair frame disclosed in application No. 200920138004, which provides a soft arm rest structure that supports the arm by cloth assembled on the chair frame, and the soft arm rest structure has poor arm support performance. In the prior art, a hard handrail structure is also provided, but the whole structure is more complex.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a hard armchair with hard armrest structure, which has the characteristics of good support and simple structure, and realizes linkage folding or unfolding.
In order to achieve the above purpose, the utility model provides a technical scheme as follows:
a hard armchair is of a foldable structure and comprises two oppositely arranged and foldable side frames, a foldable front frame connected to the front ends of the two side frames, a foldable rear frame connected to the rear ends of the two side frames and an armrest assembly arranged on the side frames, wherein each side frame comprises a seat tube, a front foot tube and a rear foot tube, the rear end of each seat tube is slidably assembled on the rear foot tube through a sliding connecting seat, a positioning sleeve is fixed on the rear foot tube above the sliding connecting seat, the upper end of each front foot tube is hinged to the middle of the corresponding seat tube, the lower ends of the front foot tube and the rear foot tube are respectively used for landing and supporting, and a limiting seat is arranged at the lower end of each front foot tube; the armrest component comprises an armrest pipe and an armrest supporting pipe; the rear end of the armrest tube is hinged to the upper end of the rear foot tube, the upper end of the armrest supporting tube is hinged to the front end of the armrest tube, the middle of the armrest supporting tube is hinged to the front end of the seat tube, and the lower end of the armrest supporting tube is assembled on the front foot tube in a sliding mode through a sliding sleeve; and under the expansion state, the sliding connection seat is upwards abutted against the positioning sleeve, and the sliding sleeve is downwards abutted against the limiting seat.
Furthermore, the lower ends of the front foot tube and the rear foot tube are respectively provided with a supporting foot seat, the supporting foot seats are used for landing and supporting through the supporting foot seats, and the supporting foot seats arranged at the lower ends of the front foot tubes are also used as limiting seats for abutting against the sliding sleeves.
Furthermore, hinged seats are fixed on the bottom surfaces of the rear end and the front end of the handrail tube, the upper end of the rear foot tube is hinged to the hinged seat at the rear end of the handrail tube, and the upper end of the handrail supporting tube is hinged to the hinged seat at the front end of the handrail tube.
Furthermore, the front frame is an X-shaped and foldable front cross pipe, the upper end of the front cross pipe is hinged to the front end positions of the seat pipes of the two side frames respectively, and the lower end of the front cross pipe is hinged to the lower end positions of the front foot pipes of the two side frames respectively.
Furthermore, a fixed seat is fixedly sleeved at the front end of the seat tube, and the middle part of the armrest supporting tube and the upper end of the front cross tube are hinged to the fixed seat.
Furthermore, the side frame further comprises a backrest pipe, the lower end of the backrest pipe is hinged to the middle of the seat pipe, and the middle of the backrest pipe is hinged to the upper end of the rear foot pipe.
Furthermore, the rear frame is an X-shaped and foldable rear cross pipe, the upper end of the rear cross pipe is hinged to the upper end positions of the backrest pipes of the two side frames respectively, and the lower end of the rear cross pipe is hinged to the lower end positions of the rear foot pipes of the two side frames respectively.
Furthermore, a foldable limiting part is connected between the two branch pipes of the rear cross pipe, and in an unfolding state, the limiting part is in a stretching state so as to limit the states of the two branch pipes of the rear cross pipe.
Furthermore, the limiting part comprises a first supporting rod and a second supporting rod, the first end of the first supporting rod is hinged to one of the branch pipes of the rear cross pipe, the first end of the second supporting rod is hinged to the other branch pipe of the rear cross pipe, and the second end of the first supporting rod is hinged to the second end of the second supporting rod.
Furthermore, a limiting baffle plate extends from the first support rod, and when the limiting part is in a stretching state, the limiting baffle plate abuts against the upper position of the second support rod.
Through the utility model provides a technical scheme has following beneficial effect:
under the expansion state, the sliding connection seat upwards butts on the locating sleeve, realizes the fixed of seat pipe, and fixed firm, the sliding sleeve is down the butt on spacing seat, realizes the fixed of handrail pipe for the handrail supports stably. The folding and unfolding mechanism has the characteristics of good support performance and simple connection of the whole structure, and realizes linkage folding or unfolding.
Drawings
FIG. 1 is a schematic structural view of a hard armchair in an embodiment in a deployed state;
FIG. 2 is a schematic structural view of the hard armchair in the embodiment in the folding or unfolding process;
fig. 3 is a schematic structural view of the hard armchair after being folded in the embodiment.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 3, the hard armchair provided in this embodiment is a foldable hard armchair, which includes two side frames 10 (i.e. two left and right side frames 10) that are oppositely arranged and foldable, a front frame 20 that is connected to the front ends of the two side frames 10 and is foldable, a rear frame 30 that is connected to the rear ends of the two side frames 10 and is foldable, and an armrest assembly that is disposed on the side frames 10, wherein the side frames 10 include a seat tube 11, a front leg tube 12, and a rear leg tube 13, the rear end of the seat tube 11 is slidably assembled on the rear leg tube 13 through a sliding connection seat 132, specifically, the sliding connection seat 132 is slidably sleeved on the rear leg tube 13, and the rear end of the seat tube 11 is hinged on the sliding connection seat 132. The rear leg 13 is fixed with a positioning sleeve 131 at a position above the sliding connection seat 132 for limiting the sliding range of the sliding connection seat 132, i.e. the sliding connection seat 132 is limited to slide at a position below the positioning sleeve 131. The upper end of the front foot tube 12 is hinged to the middle position of the seat tube 11, the lower ends of the front foot tube 12 and the rear foot tube 13 are respectively used for landing and supporting, and the lower end position of the front foot tube 12 is provided with a limiting seat 41.
The armrest assembly comprises an armrest tube 51 and an armrest support tube 52; the rear end of the handrail tube 51 is hinged to the upper end of the rear foot tube 13, the upper end of the handrail support tube 52 is hinged to the front end of the handrail tube 51, the middle of the handrail support tube is hinged to the front end of the seat tube 11, the lower end of the handrail support tube is slidably assembled on the front foot tube 12 through a sliding sleeve 121, specifically, the sliding sleeve 121 is slidably sleeved on the front foot tube 12, and the lower end of the handrail support tube 52 is hinged to the sliding sleeve 121.
In the unfolded state (as shown in fig. 1), the sliding connection seat 132 is abutted upwards against the positioning sleeve 131 to fix the seat tube 11, and the fixing is firm, and meanwhile, the sliding sleeve 121 is abutted downwards against the limiting seat 41 to fix the handrail tube, so that the handrail support is stable. The folding or unfolding mechanism has the characteristics of good support performance and simple connection of the whole structure, realizes linkage folding or unfolding, and has the folding or unfolding process as shown in figure 2 and the structure after folding as shown in figure 3.
Furthermore, in this embodiment, the lower ends of the front leg tube 12 and the rear leg tube 13 are both equipped with the supporting leg base 40, and the supporting leg base 40 is used for supporting the ground, so that the supporting effect is good. Meanwhile, the supporting leg base 40 assembled at the lower end of the front foot tube 12 also serves as the limiting base 41 for abutting against the sliding sleeve 121, and a component for abutting against the sliding sleeve 121 does not need to be additionally arranged, so that the structure is simplified.
Further, in this embodiment, the rear end and the bottom surface of the front end of the handrail tube 51 are fixed with hinge seats 511, the upper end of the rear leg tube 13 is hinged to the hinge seat 511 at the rear end of the handrail tube 51, and the upper end of the handrail support tube 52 is hinged to the hinge seat 511 at the front end of the handrail tube 51. Thus, the upper surface of the handrail tube 51 for supporting the arm can be well kept flat, and the hinged connection is convenient. Of course, in other embodiments, this is not limiting.
Furthermore, in this embodiment, the front frame 20 is an X-shaped foldable front cross pipe, the upper ends of the front cross pipes 20 are hinged to the front ends of the seat pipes 11 of the two side frames 10, and the lower ends of the front cross pipes 20 are hinged to the lower ends of the front leg pipes 12 of the two side frames 10, so that the structure is simple.
More specifically, the lower end of the front cross pipe 20 is hinged to the supporting foot seat 40 at the lower end of the front foot pipe 12, so that the front foot pipe 12 is hinged, the structure connection is simple, and the operation is convenient. Of course, in other embodiments, the structure of the front frame is not limited thereto.
Still further, the fixed cover in front position of seat pipe 11 has been connected fixing base 111, the middle part of handrail stay tube 52 and the upper end of front cross pipe 20 all articulate on fixing base 111, and fixing base 111 is as an intermediate junction spare, is convenient for satisfy the connection between each part, and change the maintenance swift, with low costs, if the hookup location has the damage, directly change fixing base 111 can, need not to change seat pipe 11.
More specifically, in the embodiment, the middle part of the handrail supporting tube 52 is hinged to the outer side of the fixing seat 111, and the upper end of the front cross tube 20 is hinged to the inner side of the fixing seat 111, so that the layout is reasonable and the mutual influence is avoided. Of course, in other embodiments, the intermediate connection structure of the fixing base 111 may not be needed.
Further, in this embodiment, the side frame 10 further includes a backrest tube 14, a lower end of the backrest tube 14 is hinged to a middle position of the seat tube 11, and a middle portion of the backrest tube 14 is hinged to an upper end position of the rear foot tube 13, so as to implement a backrest. Specifically, the middle portion of the backrest tube 14 is hinged to the back leg tube 13 by being hinged to a hinge seat 511 at the rear end of the armrest tube 51, which is easy to operate, but may be hinged directly to the back leg tube 13 in other embodiments.
Still further, the rear frame 30 is an X-shaped foldable rear cross tube, the upper ends of the rear cross tubes 30 are respectively hinged to the upper ends of the backrest tubes 14 of the two side frames 10, and the lower ends of the rear cross tubes 30 are respectively hinged to the lower ends of the rear foot tubes 13 of the two side frames 10.
Specifically, the lower end of the rear cross pipe 30 is hinged to the supporting foot seat 40 at the lower end of the rear foot pipe 13, so that the rear cross pipe is hinged to the rear foot pipe 13, the structural connection is simple, and the operation is convenient. Meanwhile, the positioning seat 141 is sleeved at the upper end of the backrest tube 14, and the upper end of the rear cross tube 30 is hinged to the positioning seat 141 through a hinge 142, so that the backrest tube 14 is hinged, and the backrest tube is simple in structure, convenient to operate, convenient to replace or maintain and the like. Of course, in other embodiments, the structure of the front frame is not limited thereto.
More specifically, a foldable limiting member is further connected between the two branch pipes of the rear cross pipe 30, and in the unfolded state, the limiting member is in a stretched state, so as to limit the states of the two branch pipes of the rear cross pipe 30. So, can realize that the back is firm through strutting the hinge when the chair expandes, can not inwards extrude or continue outside expansion, further guarantee stability and comfort level.
More specifically, the limiting member includes a first supporting rod 31 and a second supporting rod 32, a first end of the first supporting rod 31 is hinged to one of the branch pipes of the back cross pipe 30, a first end of the second supporting rod 32 is hinged to the other branch pipe of the back cross pipe 30, and a second end of the first supporting rod 31 is hinged to a second end of the second supporting rod 32, so that the structure is simple.
More specifically, a limiting baffle 311 extends from the first support rod 31, and when the limiting member is in a stretching state, the limiting baffle 311 abuts against the position above the second support rod 32, so that the first support rod 31 and the second support rod 32 can be well limited to be in a stretching linear state, inward extrusion of the rear cross pipe 30 is better limited, and the structure is stable. When folding is required, the seat can be folded normally only by pulling upward at the hinged position of the first support rod 31 and the second support rod 32 to provide the stopper with a tendency of folding upward.
Of course, in other embodiments, the structure of the position limiting element is not limited thereto.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a hard armchair, is beta structure, includes two opposite settings and folding side bearer, connects in the front end of two side bearers and folding front truck, connects in the rear end of two side bearers and folding after-poppet and set up the handrail subassembly on the side bearer, its characterized in that: the side frame comprises a seat tube, a front leg tube and a rear leg tube, the rear end of the seat tube is slidably assembled on the rear leg tube through a sliding connecting seat, a positioning sleeve is fixed at the position above the sliding connecting seat of the rear leg tube, the upper end of the front leg tube is hinged to the middle position of the seat tube, the lower ends of the front leg tube and the rear leg tube are respectively used for landing and supporting, and a limiting seat is arranged at the lower end of the front leg tube; the armrest component comprises an armrest pipe and an armrest supporting pipe; the rear end of the armrest tube is hinged to the upper end of the rear foot tube, the upper end of the armrest supporting tube is hinged to the front end of the armrest tube, the middle of the armrest supporting tube is hinged to the front end of the seat tube, and the lower end of the armrest supporting tube is assembled on the front foot tube in a sliding mode through a sliding sleeve; and under the expansion state, the sliding connection seat is upwards abutted against the positioning sleeve, and the sliding sleeve is downwards abutted against the limiting seat.
2. The hard armchair of claim 1, wherein: the lower ends of the front foot tube and the rear foot tube are respectively provided with a supporting foot seat, the supporting foot seats are used for supporting the ground through the supporting foot seats, and the supporting foot seats arranged at the lower ends of the front foot tubes are also used as limiting seats used for abutting against the sliding sleeves.
3. The hard armchair of claim 1, wherein: hinged seats are fixed on the bottom surfaces of the rear end and the front end of the handrail tube, the upper end of the rear foot tube is hinged to the hinged seat at the rear end of the handrail tube, and the upper end of the handrail supporting tube is hinged to the hinged seat at the front end of the handrail tube.
4. The hard armchair of claim 1, wherein: the front frame is an X-shaped and foldable front cross pipe, the upper end of the front cross pipe is hinged to the front end positions of the seat pipes of the two side frames respectively, and the lower end of the front cross pipe is hinged to the lower end positions of the front foot pipes of the two side frames respectively.
5. The hard armchair of claim 4, wherein: the front end position of the seat pipe is fixedly sleeved with a fixed seat, and the middle part of the armrest supporting pipe and the upper end of the front cross pipe are hinged to the fixed seat.
6. The hard armchair of claim 1, wherein: the side frame further comprises a backrest pipe, the lower end of the backrest pipe is hinged to the middle of the seat pipe, and the middle of the backrest pipe is hinged to the upper end of the rear foot pipe.
7. The hard armchair of claim 6, wherein: the rear frame is an X-shaped and foldable rear cross pipe, the upper end of the rear cross pipe is hinged to the upper end positions of the backrest pipes of the two side frames respectively, and the lower end of the rear cross pipe is hinged to the lower end positions of the rear foot pipes of the two side frames respectively.
8. The hard armchair of claim 7, wherein: and a foldable limiting part is connected between the two branch pipes of the back cross pipe, and in an unfolding state, the limiting part is in a stretching state so as to limit the states of the two branch pipes of the back cross pipe.
9. The hard armchair of claim 8, wherein: the limiting part comprises a first supporting rod and a second supporting rod, the first end of the first supporting rod is hinged to one of the branch pipes of the rear cross pipe, the first end of the second supporting rod is hinged to the other branch pipe of the rear cross pipe, and the second end of the first supporting rod is hinged to the second end of the second supporting rod.
10. The hard armchair of claim 9, wherein: a limiting baffle extends from the first support rod, and when the limiting part is in a stretching state, the limiting baffle abuts against the upper position of the second support rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022781450.2U CN213786353U (en) | 2020-11-26 | 2020-11-26 | Hard armchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022781450.2U CN213786353U (en) | 2020-11-26 | 2020-11-26 | Hard armchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213786353U true CN213786353U (en) | 2021-07-27 |
Family
ID=76940197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022781450.2U Active CN213786353U (en) | 2020-11-26 | 2020-11-26 | Hard armchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213786353U (en) |
-
2020
- 2020-11-26 CN CN202022781450.2U patent/CN213786353U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |