CN211313777U - Piano long hinge - Google Patents
Piano long hinge Download PDFInfo
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- CN211313777U CN211313777U CN201922215578.XU CN201922215578U CN211313777U CN 211313777 U CN211313777 U CN 211313777U CN 201922215578 U CN201922215578 U CN 201922215578U CN 211313777 U CN211313777 U CN 211313777U
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- hinge
- hinge shaft
- flanging
- top cover
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Abstract
The utility model discloses a long piano hinge, which comprises a first hinge plate (3) arranged on a front top cover (1), a second hinge plate (4) arranged on a rear top cover (2) and a hinge shaft (5); the other side of the first hinge piece (3) is provided with a first flanging (3.1) along the length direction, and the first flanging (3.1) is embedded in a first groove (1.1) on the side surface of the front top cover (1); a second flanging (4.1) is arranged on the other side of the second hinge piece (4) along the length direction, the second flanging (4.1) is embedded in a second groove (2.1) on the side surface of the rear top cover (2), and the first hinge piece (3) is fixedly connected with the front top cover (1) through bolts; the second hinge piece (4) is fixedly connected with the rear top cover (2) through bolts. This piano long hinge makes two hinge pieces and front and back top cap have location structure, makes the top cap equipment of front and back more convenient, efficient, the precision is high.
Description
Technical Field
The utility model relates to a piano spare part technical field specifically says a long hinge of piano.
Background
The piano long hinge is used for connecting the front top cover and the rear top cover, so that the front top cover and the rear top cover can be rotatably connected. Current piano long hinges are generally made of two pieces of hinge plate. During installation, the two hinge pieces are fixed on the front top cover and the rear top cover respectively, then fixed by bolts, and finally connected and fixed by the hinge shaft. Because two hinge pieces do not have a positioning structure, the front and the rear top covers are very difficult to install, can only be accurately fixed through a special external positioning device, and are finally assembled, so that the production and the assembly of manufacturers are inconvenient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a make two hinge pieces have location structure with the front and back top cap, make the long hinge of piano that the front and back top cap equipment is more convenient, efficient, the precision is high.
The technical scheme of the utility model is that a long piano hinge with the following structure is provided, which comprises a first hinge plate arranged on the front top cover, a second hinge plate arranged on the rear top cover and a hinge shaft; the hinge plate comprises a first hinge plate, a second hinge plate and a hinge shaft, wherein a plurality of first hinge shaft sleeves are distributed at intervals along one side edge of the length of the first hinge plate, an interval is formed between every two adjacent first hinge shaft sleeves, a plurality of second hinge shaft sleeves are distributed at intervals along one side edge of the length of the second hinge plate, an interval is formed between every two adjacent second hinge shaft sleeves, one side of the first hinge plate, which is provided with the first hinge shaft sleeves, is embedded with one side of the second hinge plate, which is provided with the second hinge shaft sleeves, in sequence, the first hinge shaft sleeves and the second hinge shaft sleeves are distributed at intervals, and the hinge shaft sequentially penetrates through the first hinge shaft sleeves and the; the method is characterized in that: the other side of the first hinge piece is provided with a first flanging along the length direction, and the first flanging is embedded in a first groove in the side surface of the front top cover; a second flanging is arranged on the other side of the second hinge piece along the length direction, the second flanging is embedded in a second groove in the side face of the rear top cover, and the first hinge piece is fixedly connected with the front top cover through a bolt; and the second hinge plate is fixedly connected with the rear top cover through bolts.
The first flanging is perpendicular to the first hinge piece body, and the second flanging is perpendicular to the second hinge piece body.
The first flanging is tightly matched with the first groove, and the second flanging is tightly matched with the second groove.
The head of the hinge shaft is a bolt connected into a whole, a screw rod of the bolt is screwed in a threaded hole of a first second hinge shaft sleeve of the second hinge plate, a first gasket is arranged between the head of the bolt and the end face of the second hinge shaft sleeve, and the first gasket is sleeved outside the screw rod of the bolt.
An end cover is arranged at the tail part of the hinge shaft, a rod of the end cover is tightly embedded into a through hole of the last first hinge shaft sleeve of the first hinge plate, and a distance is arranged between the inner end of the rod of the end cover and the end surface of the hinge shaft.
And a second gasket is arranged between the head of the end cover and the end surface of the first hinge shaft sleeve, and the second gasket is sleeved on the rod of the end cover.
After the structure more than adopting, the utility model has the advantages of it is following: the other side of the first hinge piece is provided with a first flanging along the length direction, and the first flanging is embedded in a first groove in the side surface of the front top cover; the opposite side of second hinge piece is equipped with the second turn-ups along length direction, the embedding of second turn-ups is in the second recess of the side of back top cap, and the hinge piece is fixed a position through the turn-ups when installing the top cap promptly, reuse bolt fastening to make accurate the installing of hinge piece after the top cap, then carry out the equipment of front and back top cap, make front and back top cap equipment more convenient, efficient, the precision is high.
As an improvement, the first flanging is perpendicular to the first hinge piece body, the second flanging is perpendicular to the second hinge piece body, and the flanging can be conveniently inserted into the groove.
As an improvement, the head of the hinge shaft is a bolt connected into a whole, a screw rod of the bolt is screwed in a threaded hole of a first second hinge shaft sleeve of the second hinge plate, a first gasket is arranged between the head of the bolt and the end face of the second hinge shaft sleeve, and the first gasket is sleeved outside the screw rod of the bolt, so that the connection strength of the hinge shaft is improved, and looseness is avoided.
As an improvement, an end cover is arranged at the tail part of the hinge shaft, a rod of the end cover is tightly embedded into a through hole of the last first hinge shaft sleeve of the first hinge plate, and a distance is arranged between the inner end of the rod of the end cover and the end surface of the hinge shaft.
As an improvement, a second gasket is arranged between the head of the end cover and the end face of the first hinge shaft sleeve, and the second gasket is sleeved on the rod of the end cover.
Drawings
Fig. 1 is an explosion diagram of the long hinge of piano of the present invention.
Fig. 2 is a schematic view of the piano long hinge of the present invention.
Fig. 3 is a schematic transverse section of the piano long hinge of the present invention.
Fig. 4 is a longitudinal section schematic view of the piano long hinge of the present invention.
Shown in the figure:
1. the hinge comprises a front top cover, 1.1, a first groove, 2, a rear top cover, 2.1, a second groove, 3, a first hinge sheet, 3.1, a first hinge shaft sleeve, 3.2, a first flanging, 4, a second hinge sheet, 4.1, a first hinge shaft sleeve, 4.2, a second flanging, 5, a hinge shaft, 6, a bolt, 7, a first gasket, 8, an end cover, 9 and a second gasket.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-4, the long hinge for piano of the present invention comprises a first hinge plate 3 mounted on the front top cover 1, a second hinge plate 4 mounted on the rear top cover 2, and a hinge shaft 5.
The first hinge piece 3 is equipped with a plurality of interval distribution's first hinge axle sleeve 3.1 along a side of length, is the interval between two adjacent first hinge axle sleeves 3.1, second hinge piece 4 is equipped with a plurality of interval distribution's second hinge axle sleeve 4.1 along a side of length, is the interval between two adjacent second hinge axle sleeves 4.1.
The first hinge plate 3 is provided with a first hinge shaft sleeve 3.1, one side of the first hinge plate is embedded with one side of the second hinge plate 4 provided with a second hinge shaft sleeve 4.1, the first hinge shaft sleeve 3.1 and the second hinge shaft sleeve 4.1 are sequentially distributed at intervals, and the hinge shaft 5 sequentially penetrates through the first hinge shaft sleeve 3.1 and the second hinge plate 4 from one end.
The other side of the first hinge piece 3 is provided with a first flanging 3.2 along the length direction, the first flanging 3.2 is vertical to the body of the first hinge piece 3, and the first flanging 3.2 is embedded in a first groove 1.1 on the side surface of the front top cover 1; the first flanging 3.2 is tightly matched with the first groove 1.1.
And a second flanging 4.2 is arranged on the other side of the second hinge piece 4 along the length direction, and the second flanging 4.2 is vertical to the body of the second hinge piece 4. The second flanging 4.2 is embedded in the second groove 2.1 on the side surface of the rear top cover 2, and the second flanging 4.2 is tightly matched with the second groove 2.1.
The first hinge piece 3 is fixedly connected with the front top cover 1 through bolts; the second hinge plate 4 is fixedly connected with the rear top cover 2 through bolts. Along the length of the hinge plate, each hinge plate is fastened to the top cover with how many bolts.
The head of the hinge shaft 5 is a bolt 6 which is connected into a whole, a screw rod of the bolt 6 is screwed in a threaded hole of a first second hinge shaft sleeve 4.1 of the second hinge plate 4, a first gasket 7 is arranged between the head of the bolt 6 and the end surface of the second hinge shaft sleeve 4.1, and the first gasket 7 is sleeved outside the screw rod of the bolt 6.
An end cover 8 is arranged at the tail part of the hinge shaft 5, a rod of the end cover 8 is tightly embedded into a through hole of the last first hinge shaft sleeve 3.1 of the first hinge plate 3, and a distance is arranged between the inner end of the rod of the end cover 8 and the end surface of the hinge shaft 5.
A second gasket 9 is arranged between the head of the end cover 8 and the end face of the first hinge shaft sleeve 3.1, and the second gasket 9 is sleeved on the rod of the end cover 8.
When the hinge is installed, the first hinge piece 3 is fixed on the front top cover 1, the first flanging 3.2 is embedded into the front top cover 1 during assembly, and then the first flanging is screwed and fixed by a plurality of bolts. The second hinge plate 4 is fixed to the front top cover 2, and the second flange 2.1 is embedded into the rear top cover 2 and then is screwed and fixed by a plurality of bolts during assembly. Then, the hinge pieces on the front top cover 1 and the rear top cover 2 are respectively aligned and meshed, then the hinge shaft 5 respectively penetrates through all the first hinge shaft sleeves 3.1 and all the second hinge shaft sleeves 4.1 from one end, and then the two ends are locked.
Claims (6)
1. A long hinge for a piano comprises a first hinge plate (3) arranged on a front top cover (1), a second hinge plate (4) arranged on a rear top cover (2) and a hinge shaft (5); the hinge plate comprises a first hinge piece (3), a second hinge piece (4) and a third hinge piece (4), wherein a plurality of first hinge shaft sleeves (3.1) are arranged at intervals along one side edge of the length of the first hinge piece (3), a distance is reserved between every two adjacent first hinge shaft sleeves (3.1), a plurality of second hinge shaft sleeves (4.1) are arranged at intervals along one side edge of the length of the second hinge piece (4), a distance is reserved between every two adjacent second hinge shaft sleeves (4.1), one side, provided with the first hinge shaft sleeves (3.1), of the first hinge piece (3) is embedded with one side, provided with the second hinge shaft sleeves (4.1), of the second hinge piece (4), the first hinge shaft sleeves (3.1) and the second hinge shaft sleeves (4.1) are sequentially distributed at intervals, and hinge shafts (5) sequentially penetrate through the first hinge shaft sleeves (3.1) and the second hinge pieces (4; the method is characterized in that: the other side of the first hinge piece (3) is provided with a first flanging (3.1) along the length direction, and the first flanging (3.1) is embedded in a first groove (1.1) on the side surface of the front top cover (1); a second flanging (4.1) is arranged on the other side of the second hinge piece (4) along the length direction, the second flanging (4.1) is embedded in a second groove (2.1) on the side surface of the rear top cover (2), and the first hinge piece (3) is fixedly connected with the front top cover (1) through bolts; the second hinge piece (4) is fixedly connected with the rear top cover (2) through bolts.
2. A piano long hinge according to claim 1, wherein: the first flanging (3.1) is perpendicular to the body of the first hinge piece (3), and the second flanging (4.1) is perpendicular to the body of the second hinge piece (4).
3. A piano long hinge according to claim 1, wherein: the first flanging (3.1) is tightly matched with the first groove (1.1), and the second flanging (4.1) is tightly matched with the second groove (2.1).
4. A piano long hinge according to claim 1, wherein: the head of the hinge shaft (5) is a bolt (6) which is connected into a whole, a screw rod of the bolt (6) is screwed in a threaded hole of a first second hinge shaft sleeve (4.1) of the second hinge sheet (4), a first gasket (7) is arranged between the head of the bolt (6) and the end face of the second hinge shaft sleeve (4.1), and the first gasket (7) is sleeved outside the screw rod of the bolt (6).
5. A piano long hinge according to claim 1, wherein: an end cover (8) is arranged at the tail part of the hinge shaft (5), a rod of the end cover (8) is tightly embedded into a through hole of the last first hinge shaft sleeve (3.1) of the first hinge plate (3), and a distance is arranged between the inner end of the rod of the end cover (8) and the end surface of the hinge shaft (5).
6. A piano long hinge according to claim 5, wherein: and a second gasket (9) is arranged between the head of the end cover (8) and the end face of the first hinge shaft sleeve (3.1), and the second gasket (9) is sleeved on the rod of the end cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922215578.XU CN211313777U (en) | 2019-12-11 | 2019-12-11 | Piano long hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922215578.XU CN211313777U (en) | 2019-12-11 | 2019-12-11 | Piano long hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211313777U true CN211313777U (en) | 2020-08-21 |
Family
ID=72082490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922215578.XU Active CN211313777U (en) | 2019-12-11 | 2019-12-11 | Piano long hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211313777U (en) |
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2019
- 2019-12-11 CN CN201922215578.XU patent/CN211313777U/en active Active
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