CN215874014U - Outdoor multipurpose automatic folding chair - Google Patents
Outdoor multipurpose automatic folding chair Download PDFInfo
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- CN215874014U CN215874014U CN202121620721.4U CN202121620721U CN215874014U CN 215874014 U CN215874014 U CN 215874014U CN 202121620721 U CN202121620721 U CN 202121620721U CN 215874014 U CN215874014 U CN 215874014U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 24
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model discloses an outdoor multipurpose automatic folding chair which comprises a chair main body and a backrest, wherein the inner top surface of the chair main body is connected with a bottom plate through a plurality of telescopic loop bars, a plurality of adjustable support legs are arranged on the bottom plate, two first sliding blocks are slidably mounted on the upper surface of the bottom plate through first sliding rods, lifting support arms are respectively hinged on the upper surfaces of the two first sliding blocks, second sliding blocks are respectively hinged on the upper ends of the lifting support arms, second sliding rods are respectively and slidably connected onto the second sliding blocks, two ends of each second sliding rod are fixedly mounted on the inner top surface of the chair main body through second fixing plates, two-way lead screws are respectively and internally and threadedly connected into the second sliding blocks, two ends of each two-way lead screw are rotatably mounted on the second fixing plates, the end parts of the two-way lead screws are in transmission connection with worm gear worm pairs, and the end parts of the worms of the worm pairs are in transmission connection with driving motors. The folding chair is stable in structure, the height of the folding chair can be automatically adjusted conveniently, and the use experience of a user is improved.
Description
Technical Field
The utility model relates to the field of folding chairs, in particular to an outdoor multipurpose automatic folding chair.
Background
The folding chair is a portable chair with a folding function, is convenient to move and saves space. Originally used for military use, the training machine is commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places.
The current folding chair overall structure is unstable, and after the folding chair was opened, its overall structure changed easily, and highly can not adjust, and is comparatively inconvenient when outdoor use, has certain defect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an outdoor multipurpose automatic folding chair, which realizes the stable integral structure of the folding chair, can automatically adjust the height of the chair and is convenient to use outdoors.
In order to solve the technical problems, the utility model provides an outdoor multipurpose automatic folding chair, which comprises a chair main body and a backrest movably arranged on the left side of the upper surface of the chair main body, wherein an installation cavity is arranged in the chair main body, the inner top surface of the chair main body is connected with a bottom plate through a plurality of telescopic loop bars, a plurality of adjustable support legs are symmetrically arranged on the bottom plate, a plurality of first slide bars are fixedly arranged on the upper surface of the bottom plate through first fixing plates, first slide blocks are respectively and slidably connected on the outer walls of the left side and the right side of the first slide bars, lifting support arms are respectively and hingedly connected on the upper surfaces of the two first slide blocks, second slide blocks are respectively and slidably connected on the upper ends of the lifting support arms, two ends of each second slide bar are respectively and fixedly arranged on the inner top surface of the chair main body through second fixing plates, and bidirectional screw rods are respectively and threadedly connected in the second slide blocks, the two ends of the two-way screw rod are rotatably mounted on the second fixing plate, the end part of the two-way screw rod is in transmission connection with a worm-gear pair, the end part of a worm of the worm-gear pair is in transmission connection with a driving motor, and the driving motor is fixedly mounted on the inner top surface of the seat main body.
Furthermore, the two-way screw rod is provided with two threads which have the same thread pitch and opposite rotation directions and are symmetrically arranged on the outer walls of the left side and the right side.
Further, the fixed installation axle that is equipped with in back bottom, install the axle both ends and all rotate through the installation piece and install in seat main part upper surface, the fixed positioning gear that is equipped with of installation axle right-hand member, positioning gear is located inside the installation piece, the meshing is connected with the location rack on the positioning gear, the fixed surface is equipped with the regulation pole on the location rack, adjust the pole outer wall with installation piece upper wall runs through sliding connection, it is equipped with compression spring to adjust pole outer wall cover, compression spring is located inside the installation piece.
Further, all be equipped with the fixed block on the both sides outer wall around the seat main part, the fixed block upper surface all is equipped with the mounting hole.
Furthermore, cushion pads are arranged on the upper surface of the seat main body and the outer wall of the right side of the backrest.
Drawings
FIG. 1 is a schematic view of the overall structure of the outdoor multipurpose automatic folding chair of the utility model;
FIG. 2 is a top view of the external structure of the outdoor multipurpose automatic folding chair of the present invention;
FIG. 3 is a sectional view showing the internal structure of the main body of the outdoor multipurpose automatic folding chair according to the present invention;
fig. 4 is a schematic view of a backrest installation structure of the outdoor multipurpose automatic folding chair of the utility model.
Detailed Description
The outdoor utility automatic folding chair of the present invention will now be described in greater detail with reference to the schematic drawings, in which preferred embodiments of the utility model are shown, it being understood that one skilled in the art could modify the utility model herein described while still achieving the advantageous effects of the utility model. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the utility model.
The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides an outdoor multipurpose automatic folding chair, which includes a seat main body 1 and a backrest 2 movably mounted on the left side of the upper surface of the seat main body 1, wherein a mounting cavity is arranged inside the seat main body 1, the inner top surface of the seat main body 1 is connected to a bottom plate 4 through a plurality of telescopic rods 3, a plurality of adjustable support legs 5 are symmetrically arranged on the bottom plate 4, a plurality of first slide bars 7 are fixedly mounted on the upper surface of the bottom plate 4 through first fixing plates 6, first slide blocks 8 are slidably connected to the outer walls of the left and right sides of the first slide bars 7, lifting support arms 9 are respectively hinged to the upper surfaces of the two first slide blocks 8, as shown in fig. 3, second slide blocks 10 are respectively hinged to the upper ends of the lifting support arms 9, second slide bars 11 are respectively slidably connected to the second slide blocks 10, and both ends of the second slide bars 11 are fixedly mounted on the inner top surface of the seat main body 1 through second fixing plates 12, the inner part of the second sliding block 10 is in threaded connection with a bidirectional screw rod 13, two ends of the bidirectional screw rod 13 are rotatably mounted on the second fixing plate 12, the end part of the bidirectional screw rod 13 is in transmission connection with a worm-gear pair 14, the end part of a worm of the worm-gear pair 14 is in transmission connection with a driving motor 15, and the driving motor 15 is fixedly mounted on the inner top surface of the seat main body 1.
The worm gear and worm pair 14 comprises a worm gear fixedly mounted at the end part of the bidirectional screw rod 13, a worm is meshed and connected to the worm gear, the end part of the worm is in transmission connection with an output shaft of the driving motor 15, the driving motor 15 drives the worm to rotate, the worm drives the bidirectional screw rod 13 to rotate through the worm gear, the two second sliding blocks 10 drive the upper end of the lifting support arm 9 to move relatively by utilizing the screw rod principle, the distance between the upper end and the lower end of the lifting support arm 9 is changed, the height of the seat main body 1 is adjusted, and the position locking is realized after the height of the seat main body 1 is adjusted by utilizing the self-locking characteristic of the worm gear and worm transmission structure. The telescopic loop bar 3 comprises a fixed cylinder fixedly arranged on the inner top surface of the seat main body 1, a movable cylinder is connected in the fixed cylinder in a sliding manner, the lower end of the movable cylinder is fixedly connected with the upper surface of the bottom plate 4, and the bottom plate 4 is limited by matching the fixed cylinder with the movable cylinder, so that the bottom plate 4 is prevented from deviating; a rechargeable lithium battery is arranged in the seat body 1; the worm is kept away from driving motor 15 one end and is run through and extend to the seat main part 1 outside, and the worm is located seat main part 1 outside one end and is equipped with the crank, can be when the battery electric quantity is not enough, drive the worm through manual rocking the crank and rotate, drive seat main part 1 through transmission structure and realize altitude mixture control, for the weight that alleviates automatic folding chair, also can only take manual mode to fold, can reduce driving motor 15 and electronic component's such as rechargeable lithium cell weight.
The bidirectional screw rod 13 is provided with two threads with the same pitch and opposite rotation directions symmetrically on the outer walls of the left side and the right side. In this embodiment, when the driving motor 15 drives the bidirectional screw 13 to rotate, the second slider 10 drives the upper end of the lifting support arm 9 to move relatively by using the screw principle, so that the distance between the upper end and the lower end of the lifting support arm 9 changes, thereby adjusting the height of the seat body 1.
As shown in fig. 4, an installation shaft 16 is fixedly arranged at the bottom of the backrest 2, two ends of the installation shaft 16 are rotatably installed on the upper surface of the seat main body 1 through an installation block 17, a positioning gear 18 is fixedly arranged at the right end of the installation shaft 16, the positioning gear 18 is located inside the installation block 17, a positioning rack 19 is meshed and connected to the positioning gear 18, an adjusting rod 20 is fixedly arranged on the upper surface of the positioning rack 19, the outer wall of the adjusting rod 20 is in sliding connection with the upper wall of the installation block 17 in a penetrating manner, a compression spring 21 is sleeved on the outer wall of the adjusting rod 20, and the compression spring 21 is located inside the installation block 17. In the present embodiment, the positioning rack 19 moves downward under the action of the compression spring 21 and is engaged with the positioning gear 18, so that the mounting shaft 16 is locked to realize the positioning after the angle adjustment of the backrest 2.
The seat is characterized in that fixing blocks 22 are arranged on the outer walls of the front side and the rear side of the seat body 1, and mounting holes 23 are formed in the upper surfaces of the fixing blocks 22. In the present embodiment, the fixing block 22 and the mounting hole 23 are provided, and a mounting rod can be inserted into the mounting hole 23 to mount a sunshade or a rain-shade umbrella.
Cushion pads are arranged on the upper surface of the seat body 1 and the outer wall of the right side of the backrest 2. In this embodiment, a cushion pad is provided to improve the comfort of the user, and the cushion pad is a breathable material.
The following is a list of preferred embodiments of the outdoor multipurpose automatic folding chair to clearly illustrate the contents of the present invention, and it should be understood that the contents of the present invention are not limited to the following embodiments, and other modifications by conventional technical means of those skilled in the art are also within the scope of the idea of the present invention.
The embodiment of the utility model provides a using method of an outdoor multipurpose automatic folding chair, which comprises the following steps: firstly, a switch of a driving motor 15 is turned on, a worm is driven to rotate by the driving motor 15, the worm drives a bidirectional screw rod 13 to rotate by a worm wheel, the upper ends of two second sliding blocks 10 driving a lifting supporting arm 9 to move relatively by utilizing a screw rod principle, the distance between the upper end and the lower end of the lifting supporting arm 9 is changed, the height of a seat body 1 is adjusted, the position locking is realized after the height of the seat body 1 is adjusted by utilizing the self-locking characteristic of a worm and gear transmission structure, then an adjusting rod 20 is manually lifted upwards, the angle of a backrest 2 is adjusted at the same time, the adjusting rod 20 is loosened after the angle is adjusted to a proper angle, a positioning rack 19 moves downwards under the action of a compression spring 21 and is meshed with a positioning gear 18, so that an installation shaft 16 is locked, and the positioning after the angle of the backrest 2 is adjusted is realized.
In summary, the driving motor 15 drives the bidirectional screw rod 13 to rotate through the worm-gear pair 14, and by using the screw rod principle, the two second sliders 10 drive the upper ends of the lifting support arms 9 to move relatively, so that the distance between the upper end and the lower end of the lifting support arms 9 is changed, the height of the seat body 1 is adjusted, and by using the self-locking characteristic of the worm-gear transmission structure, the seat body 1 is locked after being adjusted in height, the angle of the backrest 2 is convenient to adjust, and the folding chair is high and stable in whole and convenient to use.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. An outdoor multipurpose automatic folding chair is characterized by comprising a chair main body and a backrest movably mounted on the left side of the upper surface of the chair main body, wherein an installation cavity is arranged in the chair main body, the inner top surface of the chair main body is connected with a bottom plate through a plurality of telescopic loop bars, a plurality of adjustable support legs are symmetrically arranged on the bottom plate, a plurality of first slide bars are fixedly mounted on the upper surface of the bottom plate through first fixing plates, first slide blocks are respectively and slidably connected on the outer walls of the left side and the right side of each first slide bar, lifting support arms are respectively and hingedly connected on the upper surfaces of the two first slide blocks, a second slide block is respectively and slidably connected on the upper ends of the lifting support arms, second slide bars are respectively and slidably connected on the second slide blocks, the two ends of each second slide bar are fixedly mounted on the inner top surface of the chair main body through second fixing plates, and bidirectional screw rods are respectively and threadedly connected in the second slide blocks, the two ends of the two-way screw rod are rotatably mounted on the second fixing plate, the end part of the two-way screw rod is in transmission connection with a worm-gear pair, the end part of a worm of the worm-gear pair is in transmission connection with a driving motor, and the driving motor is fixedly mounted on the inner top surface of the seat main body.
2. The outdoor multipurpose automatic folding chair as claimed in claim 1, wherein the bidirectional screw rod is provided with two threads with the same pitch and opposite turning directions symmetrically on the outer walls of the left and right sides.
3. The outdoor multipurpose automatic folding chair according to claim 1, wherein the bottom of the backrest is fixedly provided with an installation shaft, both ends of the installation shaft are rotatably installed on the upper surface of the seat body through installation blocks, the right end of the installation shaft is fixedly provided with a positioning gear, the positioning gear is located inside the installation blocks, the positioning gear is engaged and connected with a positioning rack, the upper surface of the positioning rack is fixedly provided with an adjusting rod, the outer wall of the adjusting rod is connected with the upper wall of the installation blocks in a penetrating and sliding manner, the outer wall of the adjusting rod is sleeved with a compression spring, and the compression spring is located inside the installation blocks.
4. The outdoor multipurpose automatic folding chair as claimed in claim 1, wherein the outer walls of the front and rear sides of the seat body are provided with fixing blocks, and the upper surfaces of the fixing blocks are provided with mounting holes.
5. The outdoor multipurpose automatic folding chair as claimed in claim 1, wherein said seat main body upper surface and said backrest right side outer wall are provided with cushions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121620721.4U CN215874014U (en) | 2021-07-16 | 2021-07-16 | Outdoor multipurpose automatic folding chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121620721.4U CN215874014U (en) | 2021-07-16 | 2021-07-16 | Outdoor multipurpose automatic folding chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215874014U true CN215874014U (en) | 2022-02-22 |
Family
ID=80343941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121620721.4U Active CN215874014U (en) | 2021-07-16 | 2021-07-16 | Outdoor multipurpose automatic folding chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215874014U (en) |
-
2021
- 2021-07-16 CN CN202121620721.4U patent/CN215874014U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An outdoor multi-purpose automatic folding chair Granted publication date: 20220222 Pledgee: Jiangsu Bank Co.,Ltd. Shanghai Minhang Branch Pledgor: Zican Technology (Shanghai) Co.,Ltd. Registration number: Y2024310000019 |