CN209817698U - Hinge device - Google Patents
Hinge device Download PDFInfo
- Publication number
- CN209817698U CN209817698U CN201920428876.4U CN201920428876U CN209817698U CN 209817698 U CN209817698 U CN 209817698U CN 201920428876 U CN201920428876 U CN 201920428876U CN 209817698 U CN209817698 U CN 209817698U
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- CN
- China
- Prior art keywords
- connecting piece
- rotating shaft
- seat
- hinge assembly
- lower rotating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a hinge device, which comprises a left hinge component and a right hinge component, wherein the left hinge component and the right hinge component are in mirror symmetry; the left hinge assembly comprises a wall connecting piece and a seat connecting piece, and the wall connecting piece is rotatably connected to the seat connecting piece through a connecting device; the connecting device comprises an upper rotating shaft and a lower rotating shaft, an arc-shaped limiting groove is formed in the wall connecting piece, one end of the lower rotating shaft is arranged in the limiting groove, and the upper rotating shaft is connected with the lower rotating shaft through a tension spring; the utility model can conveniently fold up the seat connecting piece through the arrangement of the connecting device, thereby increasing the space and facilitating the use of cleaning and ground; the arrangement of the tension spring can keep the seat connecting piece at a fixed position, so that the seat is prevented from shaking, and the use safety is improved; the arrangement of the sliding groove prevents the seat from falling due to the overweight of the passenger, and further increases the use safety.
Description
Technical Field
The utility model relates to a table chair technical field, concretely relates to hinge device.
Background
At present, dining tables and chairs in dining halls and restaurants are all fixed; this can cause two problems: one problem is that cleaning is very inconvenient in a fixed and large whole dining chair, many corners are difficult to treat, and long-time dust and garbage accumulation can cause the dining environment of dining halls and restaurants to be poor, so that the appetite of diners is influenced; another problem is that dining tables and chairs occupy a large space, and particularly when the dining tables and chairs are used on the ground, the carrying of the tables and chairs is troublesome.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a hinge device, simple structure, convenient to use can pack up the seat connecting piece to the space has been practiced thrift.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a hinge apparatus comprising a left hinge assembly and a right hinge assembly, the left hinge assembly being mirror symmetric to the right hinge assembly; the left hinge assembly comprises a wall connecting piece and a seat connecting piece, and the wall connecting piece is rotatably connected to the seat connecting piece through a connecting device; the connecting device comprises an upper rotating shaft and a lower rotating shaft, an arc-shaped limiting groove is formed in the wall connecting piece, one end of the lower rotating shaft is arranged in the limiting groove, and the upper rotating shaft is connected with the lower rotating shaft through a tension spring.
As a preferred technical solution of the present invention: the wall connecting piece is also provided with a sliding groove, the sliding groove comprises a positioning end and a holding end, and the positioning end extends to the holding end in a bending way; and a connecting rod fixed on the seat connecting piece is arranged in the sliding groove.
As a preferred technical solution of the present invention: a nut is arranged at the end part of the connecting rod; and a gasket sleeved on the connecting rod is arranged between the nut and the sliding groove.
As a preferred technical solution of the present invention: the nut is a nylon nut, and the gasket is a stainless steel gasket.
As a preferred technical solution of the present invention: the seat connecting piece is L-shaped and is provided with a plurality of mounting holes; the wall connecting piece is L-shaped and is provided with a connecting fixing hole.
As a preferred technical solution of the present invention: plastic gaskets are sleeved on the upper rotating shaft and the lower rotating shaft; the plastic gasket is positioned between the wall connecting piece and the seat connecting piece; and a plastic shell is arranged outside the connecting device and is movably connected with the wall connecting piece.
The utility model discloses following beneficial effect has:
1. through the arrangement of the connecting device, the seat connecting piece can be conveniently folded, so that the space is increased, and the use of sanitation and places is convenient to clean.
2. The arrangement of the tension spring can keep the seat connecting piece at a fixed position, so that the seat is prevented from shaking, and the use safety is improved; the arrangement of the sliding groove prevents the seat from falling due to the overweight of the passenger, and further increases the use safety.
Drawings
FIG. 1 is a front view of a left hinge assembly of the present invention;
fig. 2 is a top view of the left hinge assembly of the present invention;
fig. 3 is a schematic view of the overall structure of the left hinge assembly of the present invention;
fig. 4 is a left side view of the left hinge assembly of the present invention;
FIG. 5 is a front view of the right hinge assembly of the present invention;
fig. 6 is a top view of the right hinge assembly of the present invention;
fig. 7 is a schematic view of the overall structure of the right hinge assembly of the present invention;
fig. 8 is a left side view of the right hinge assembly of the present invention;
in fig. 1-8, 1, a left hinge assembly, 2, a right hinge assembly, 3, a wall connector, 4, a seat connector, 5, an upper rotating shaft, 6, a lower rotating shaft, 7, a limiting groove, 8, a tension spring, 9, a sliding groove, 10, a positioning end, 11, a holding end, 12, a connecting rod, 13, a nut, 14, a gasket, 15, a mounting hole, 16, a fixing hole, 17, a plastic shell, 18 and a plastic gasket.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 8, an embodiment of the present invention provides a hinge device, including a left hinge assembly 1 and a right hinge assembly 2, where the left hinge assembly 1 and the right hinge assembly 2 are mirror images; the left hinge assembly 1 comprises a wall connecting piece 3 and a seat connecting piece 4, the seat connecting piece 4 is L-shaped and is provided with a plurality of mounting holes 15, the mounting holes 15 can be threaded holes, a cushion is fixed on the seat connecting piece 4 through screws, and two ends of the cushion are fixed on the seat connecting pieces 4 of the left hinge assembly and the right hinge assembly, so that the function of the seat can be realized; the wall connecting piece 3 is L-shaped, one surface of the wall connecting piece is provided with a connecting fixing hole 16, and the fixing hole 16 is used for fixing the wall connecting piece 3 on a wall or other supporting surfaces; the wall connecting piece 3 is rotatably connected to the seat connecting piece 4 through a connecting device, the connecting device comprises an upper rotating shaft 5 and a lower rotating shaft 6, and plastic gaskets 18 are sleeved on the upper rotating shaft 5 and the lower rotating shaft 6; the plastic gasket 18 is positioned between the wall connecting piece 3 and the seat connecting piece 4, the other surface of the wall connecting piece 3 is provided with an arc-shaped limiting groove 7, and the radian of the limiting groove 7 is consistent with that of the motion curve of the seat connecting piece 4; one end of the lower rotating shaft 6 is arranged in a limiting groove 7, the upper rotating shaft 5 is connected with the lower rotating shaft 6 through a tension spring 8, when the seat is used, if the seat is to be folded, the cushion is pressed downwards, the seat connecting piece 4 of the left hinge assembly 1 and the seat connecting piece 4 of the right hinge assembly 2 rotate downwards along the upper rotating shaft 5, the lower rotating shaft 6 rotates along the limiting groove 7, when the seat reaches a position, the seat connecting piece 4 can be fixed by pulling the upper rotating shaft 5 and the lower rotating shaft 6 through the tension spring 8, and when the seat is lifted, the movement of the seat connecting piece 4 is opposite to the folded movement; the plastic shell 17 is arranged outside the connecting device, the plastic shell 17 is movably connected with the wall connecting piece 3, namely the plastic shell 17 can be clamped or the plastic shell 17 is arranged on the wall connecting piece 3 in a screw fixing mode, so that the appearance is attractive, and the tension spring 8 is prevented from accidentally injuring people.
When the seat is used, in order to prevent the seat connecting piece 4 from moving downwards due to the excessive weight of the seat and hurting the seat, a sliding groove 9 is further arranged on the wall connecting piece 3, the sliding groove 9 comprises a positioning end 10 bent downwards in the horizontal direction and a vertical retaining end 11, and the positioning end 10 extends to the retaining end 11 in a bent way; a connecting rod 12 fixed on the seat connecting piece 4 is arranged in the sliding groove 9, and a nut 13 is arranged at the end part of the connecting rod 12; a gasket 14 sleeved on the connecting rod 12 is arranged between the nut 13 and the sliding chute, the nut 13 is a nylon nut 13, and the gasket 14 is a stainless steel gasket 14; when the seat is seated, the link 12 is caught in the positioning end 10 to prevent the downward movement of the seat link 4, and when the seat is stowed, the link 12 is caught in the holding end 11 to prevent the upward movement of the seat.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A hinge device characterized by: the hinge comprises a left hinge assembly and a right hinge assembly, wherein the left hinge assembly and the right hinge assembly are in mirror symmetry; the left hinge assembly comprises a wall connecting piece and a seat connecting piece, and the wall connecting piece is rotatably connected to the seat connecting piece through a connecting device; the connecting device comprises an upper rotating shaft and a lower rotating shaft, an arc-shaped limiting groove is formed in the wall connecting piece, one end of the lower rotating shaft is arranged in the limiting groove, and the upper rotating shaft is connected with the lower rotating shaft through a tension spring.
2. A hinge assembly according to claim 1, wherein: the wall connecting piece is also provided with a sliding groove, the sliding groove comprises a positioning end and a holding end, and the positioning end extends to the holding end in a bending way; and a connecting rod fixed on the seat connecting piece is arranged in the sliding groove.
3. A hinge assembly according to claim 2, wherein: a nut is arranged at the end part of the connecting rod; and a gasket sleeved on the connecting rod is arranged between the nut and the sliding groove.
4. A hinge assembly according to claim 3, wherein: the nut is a nylon nut, and the gasket is a stainless steel gasket.
5. A hinge assembly according to claim 1, wherein: the seat connecting piece is L-shaped and is provided with a plurality of mounting holes; the wall connecting piece is L-shaped and is provided with a connecting fixing hole.
6. A hinge assembly according to any one of claims 1 to 5, wherein: plastic gaskets are sleeved on the upper rotating shaft and the lower rotating shaft; the plastic gasket is positioned between the wall connecting piece and the seat connecting piece; and a plastic shell is arranged outside the connecting device and is movably connected with the wall connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428876.4U CN209817698U (en) | 2019-04-01 | 2019-04-01 | Hinge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428876.4U CN209817698U (en) | 2019-04-01 | 2019-04-01 | Hinge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209817698U true CN209817698U (en) | 2019-12-20 |
Family
ID=68878192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920428876.4U Active CN209817698U (en) | 2019-04-01 | 2019-04-01 | Hinge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209817698U (en) |
-
2019
- 2019-04-01 CN CN201920428876.4U patent/CN209817698U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |