CN215110044U - Four-axis gear transmission mechanism - Google Patents
Four-axis gear transmission mechanism Download PDFInfo
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- CN215110044U CN215110044U CN202120942166.0U CN202120942166U CN215110044U CN 215110044 U CN215110044 U CN 215110044U CN 202120942166 U CN202120942166 U CN 202120942166U CN 215110044 U CN215110044 U CN 215110044U
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- rotating shaft
- rotating
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Abstract
The utility model relates to the technical field of hinge structures, in particular to a four-axis gear transmission mechanism, which comprises a fixed frame, wherein the fixed frame is rotationally provided with a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft, the first rotating shaft is in transmission connection with the third rotating shaft, and the second rotating shaft is in transmission connection with the fourth rotating shaft; the fixing frame is provided with four containing parts used for containing the four rotating shafts respectively and four fifth limiting parts used for stopping and limiting the four rotating shafts respectively, the containing parts are communicated with the fifth limiting parts, and the four rotating shafts are respectively provided with first limiting parts used for abutting against the fifth limiting parts to limit. The four-shaft gear transmission mechanism realizes the effect of increasing the torsion and solves the problem of insufficient torsion by arranging the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft; and through four fifth limiting parts, the fixing frame is more convenient to assemble with the four rotating shafts respectively, the assembling efficiency is obviously improved, and the cost is reduced.
Description
Technical Field
The utility model relates to a hinge structure technical field especially discloses a four-axis gear drive.
Background
At present, the internal space of the hinge structure in the prior art is limited, and the outer diameter of the rotating shaft is generally required to be less than 4.0mm, but under the condition that the outer diameter of the rotating shaft is limited, the problem that the rotating shaft cannot bear high torque due to insufficient strength is caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a simple structure, the production equipment is convenient, increases torsion and solves the not enough four-axis gear drive of problem of torsion effectively.
In order to achieve the above object, the present invention provides a four-axis gear transmission mechanism, which comprises a fixing frame, wherein the fixing frame is rotatably provided with a first rotation axis, a second rotation axis, a third rotation axis and a fourth rotation axis, the first rotation axis and the second rotation axis are arranged in a collinear manner and are located at the same side of the fixing frame, the first rotation axis is in transmission connection with the third rotation axis, the third rotation axis and the fourth rotation axis are arranged in a collinear manner and are located at the other side of the fixing frame, and the second rotation axis is in transmission connection with the fourth rotation axis; the fixing frame is provided with four containing parts used for containing the four rotating shafts respectively and four fifth limiting parts used for stopping and limiting the four rotating shafts respectively, the containing parts are communicated with the fifth limiting parts, the containing parts and the fifth limiting parts are multiple in number, and the four rotating shafts are provided with first limiting parts used for abutting against the fifth limiting parts to limit.
Furthermore, one end of the first rotating bracket is arranged on the first rotating shaft, one end of the second rotating bracket is arranged on the second rotating shaft, and the other end of the first rotating bracket and the other end of the second rotating bracket are both connected with an external base; one end of a third rotating support is arranged on the third rotating shaft, one end of a fourth rotating support is arranged on the fourth rotating shaft, and the other end of the third rotating support and the other end of the fourth rotating support are both connected with an external display screen; the first rotating bracket and the second rotating bracket which are positioned on the same side rotate to drive the first rotating shaft and the second rotating shaft to rotate; the third rotating bracket and the fourth rotating bracket on the other side rotate to drive the third rotating shaft and the fourth rotating shaft to rotate.
Furthermore, a first helical tooth portion is arranged on the first rotating shaft, a third helical tooth portion is arranged on the third rotating shaft, the first rotating shaft is in transmission connection with the third rotating shaft through a transmission mechanism, the transmission mechanism comprises a first idler wheel and a second idler wheel, the first idler wheel is in meshing transmission connection with the first helical tooth portion and the second idler wheel, and the second idler wheel is in meshing transmission connection with the first idler wheel and the third helical tooth portion.
Furthermore, the two ends of the first torsion pieces are respectively sleeved outside the first rotating shaft and the third rotating shaft, the number of the first torsion pieces is multiple, the multiple first torsion pieces are stacked together, and the multiple first torsion pieces are arranged in the length direction of the first rotating shaft and the length direction of the third rotating shaft.
Furthermore, a first elastic sheet assembly is arranged on the first rotating shaft away from the first oblique tooth part and comprises a plurality of first elastic sheets, the first elastic sheets are located between the two first stop blocks, a first adjusting nut is arranged at one end of the first stop block, the first adjusting nut is sleeved on the outer side of the first rotating shaft in a threaded mode, and the first adjusting nut is used for adjusting the compression amount of the first elastic sheets so as to adjust the torsion of the first rotating shaft.
Furthermore, a plurality of connecting plates are further arranged between the first rotating shaft and the third rotating shaft, the first connecting plate is located between the first elastic sheet assembly and the first rotating support, the second connecting plate is located between the first rotating support and the first torsion sheets, and the third connecting plate is located between the first oblique tooth part and the first torsion sheets.
The utility model has the advantages that: the four-shaft gear transmission mechanism realizes the effect of increasing the torsion by arranging the first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft, and the torsion borne by each rotating shaft of the four-shaft gear transmission mechanism is half of the torsion borne by each rotating shaft in the double-shaft transmission mechanism in the prior art, thereby solving the problem that the torsion cannot be increased due to insufficient outer diameter of the rotating shaft in the hinge structure in the prior art and effectively increasing the torsion; and this four-axis gear drive is provided with and is used for installing spacing fifth spacing portion to four rotation axes, and through fifth spacing portion, the mount is more convenient with the equipment between the four rotation axes respectively, obviously improves packaging efficiency, reduce cost.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic perspective view of the fixing frame of the present invention;
fig. 3 is a schematic perspective view of a connection relationship between the first rotating shaft and the third rotating shaft according to the present invention.
The reference numerals include:
1-first rotating shaft 11-first limiting part 12-first helical tooth part
13-first torsion bar 2-second rotation axis 3-third rotation axis
31-third helical toothing 4-fourth rotation axis 51-first rotation support
52-second rotating bracket 61-first idler gear 62-second idler gear
7-first elastic piece assembly 71-first elastic piece 72-first stop block
73-first adjusting nut 8-connecting plate 9-fixing frame
91-receiving portion 92-fifth limiting portion.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.
Please refer to fig. 1 to 3, the present invention discloses a four-axis gear transmission mechanism, including a fixing frame 9, a first rotation axis 1, a second rotation axis 2, a third rotation axis 3 and a fourth rotation axis 4 are rotatably disposed on the fixing frame 9, the first rotation axis 1 and the second rotation axis 2 are arranged in a collinear manner and are located at the same side of the fixing frame 9, the first rotation axis 1 is in transmission connection with the third rotation axis 3, the third rotation axis 3 and the fourth rotation axis 4 are arranged in a collinear manner and are located at the other side of the fixing frame 9, and the second rotation axis 2 is in transmission connection with the fourth rotation axis 4.
Preferably, the four rotation shafts are connected to the fixed frame 9, the torsion force borne by each rotation shaft in the four-shaft gear transmission mechanism is half of the torsion force borne by each rotation shaft in the dual-shaft transmission mechanism in the prior art, so that the problem that the torsion force cannot be increased due to insufficient outer diameter of the rotation shaft in the hinge structure in the prior art is solved, and most importantly, the four-shaft gear transmission mechanism can bear the torsion force of 4kgf.cm under the condition that the outer diameter of each rotation shaft is smaller than 4 mm.
The fixing frame 9 is provided with four accommodating portions 91 for accommodating the four rotating shafts respectively and four fifth limiting portions 92 for stopping and limiting the four rotating shafts respectively, the accommodating portions 91 are communicated with the fifth limiting portions 92, and the four rotating shafts are provided with first limiting portions 11 for abutting against and sticking to the fifth limiting portions 92 for limiting.
Specifically, the first limiting portion 11 of the first rotating shaft 1 abuts against and is attached to the first fifth limiting portion 92, so as to realize the fixed connection between the first rotating shaft 1 and the fixing frame 9; the second rotating shaft 2 is provided with a second first limiting part, and the second first limiting part is abutted and attached to a second fifth limiting part 92 so as to realize the fixed connection of the second rotating shaft 2 and the fixed frame 9; the third rotating shaft 3 is provided with a third first limiting part, and the third first limiting part is abutted and attached to a third fifth limiting part 92 so as to realize the fixed connection between the third rotating shaft 3 and the fixed frame 9; the fourth rotating shaft 4 is provided with a fourth first limiting part, and the fourth first limiting part is abutted and attached to the fourth fifth limiting part 92 so as to realize the fixed connection between the fourth rotating shaft 4 and the fixed frame 9.
Preferably, the four-axis gear transmission mechanism is provided with a plurality of fifth limiting parts 92 to realize the fixed connection between the fixed frame 9 and the first rotating shaft 1, the second rotating shaft 2, the third rotating shaft 3 and the fourth rotating shaft 4 respectively, so as to form a structure convenient for disassembly and assembly, facilitate the assembly or disassembly of the four-axis gear transmission mechanism by workers, obviously improve the assembly efficiency and reduce the cost.
The four-shaft gear transmission mechanism realizes the effect of increasing the torsion by arranging the first rotating shaft 1, the second rotating shaft 2, the third rotating shaft 3 and the fourth rotating shaft 4, and the torsion borne by each rotating shaft of the four-shaft gear transmission mechanism is half of the torsion borne by each rotating shaft in the double-shaft transmission mechanism in the prior art, thereby solving the problem that the torsion cannot be increased due to insufficient outer diameter of the rotating shaft in the hinge structure in the prior art and effectively increasing the torsion; and this four-axis gear drive is provided with and is used for installing spacing fifth spacing portion 92 to four rotation axes, and through fifth spacing portion 92, the equipment between mount 9 and the four rotation axes respectively is more convenient, obviously improves packaging efficiency, reduce cost.
In this embodiment, one end of the first rotating bracket 51 is installed on the first rotating shaft 1, one end of the second rotating bracket 52 is installed on the second rotating shaft 2, and the other end of the first rotating bracket 51 and the other end of the second rotating bracket 52 are both connected to an external base; one end of a third rotating support is arranged on the third rotating shaft 3, one end of a fourth rotating support is arranged on the fourth rotating shaft 4, and the other end of the third rotating support and the other end of the fourth rotating support are both connected with an external display screen; the first rotating bracket 51 and the second rotating bracket 52 which are positioned on the same side rotate to drive the first rotating shaft 1 and the second rotating shaft 2 to rotate; the third rotating bracket and the fourth rotating bracket on the other side rotate to drive the third rotating shaft 3 and the fourth rotating shaft 4 to rotate.
Preferably, the first rotating bracket 51 and the second rotating bracket 52 are both connected to the same external component, the same external component rotates to drive the first rotating bracket 51 and the second rotating bracket 52 to rotate so as to drive the first rotating shaft 1 and the second rotating shaft 2 to rotate, similarly, the third rotating bracket and the fourth rotating bracket are both connected to another external component, and the other external component rotates to drive the third rotating bracket and the fourth rotating bracket to rotate so as to drive the third rotating shaft 3 and the fourth rotating shaft 4 to rotate.
In this embodiment, the first rotating shaft 1 is provided with a first helical tooth portion 12, the third rotating shaft 3 is provided with a third helical tooth portion 31, the first rotating shaft 1 and the third rotating shaft 3 are in transmission connection through a transmission mechanism, the transmission mechanism includes a first idle wheel 61 and a second idle wheel 62, the first idle wheel 61 is in meshing transmission connection with the first helical tooth portion 12 and the second idle wheel 62, and the second idle wheel 62 is in meshing transmission connection with the first idle wheel 61 and the third helical tooth portion 31.
Preferably, the internal space of the general hinge chain structure is limited, and therefore, the transmission connection area between the first rotating shaft 1 and the third rotating shaft 3 is in the shape of helical teeth, and such an arrangement can effectively solve the problem of space limitation to meet the requirements of use scenarios.
Similarly, the second rotating shaft 2 and the fourth rotating shaft 4 are in transmission connection through a third idler wheel and a fourth idler wheel, a second helical tooth portion is arranged on the second rotating shaft 2, a fourth helical tooth portion is arranged on the fourth rotating shaft 4, the third idler wheel is in meshing transmission connection with the third helical tooth portion and the fourth idler wheel, and the fourth idler wheel is in meshing transmission connection with the third idler wheel and the fourth helical tooth portion.
It should be noted that the structures of the four rotating shafts, i.e., the first rotating shaft 1, the second rotating shaft 2, the third rotating shaft 3, and the fourth rotating shaft 4, are substantially the same, and will not be described herein again.
In this embodiment, two ends of the first torsion bar 13 are respectively sleeved outside the first rotating shaft 1 and the third rotating shaft 3, the number of the first torsion bar 13 is plural, the plural first torsion bars 13 are stacked together, and the plural first torsion bars 13 are arranged in the length direction of the first rotating shaft 1 and the length direction of the third rotating shaft 3.
In this embodiment, a first elastic piece assembly 7 is disposed on the first rotating shaft 1 away from the first helical tooth portion 12, the first elastic piece assembly 7 includes a plurality of first elastic pieces 71, specifically, the plurality of first elastic pieces 71 are tightly stacked and assembled together to form a torsion area, and a rotation torsion is provided to the first rotating shaft 1 at one end, wherein the plurality of first elastic pieces 71 are used as a main torsion source, the plurality of first elastic pieces 71 are located between two first stoppers 72, a first adjusting nut 73 is disposed at one end of the first stopper 72, the first adjusting nut 73 is screwed and sleeved on an outer side of the first rotating shaft 1, and the first adjusting nut 73 is used for a compression amount of the plurality of first elastic pieces 71 to adjust the torsion of the first rotating shaft 1.
Specifically, the first adjusting nut 73 is screwed on one end of the first rotating shaft 1 to press the first elastic piece 71, and in actual use, the first adjusting nut 73 may be screwed to a designated or desired torque level by a tool such as a wrench.
Specifically, the first rotating bracket 51 rotates to drive the first rotating shaft 1 to rotate, the first rotating shaft 1 and the first torsion sheet 13 generate friction, and then the torsion of the plurality of first elastic sheets 71 in the torsion area is controlled by the first adjusting nut 73, so as to increase the torsion, and meet the requirements of the use scene.
In this embodiment, a plurality of connection plates 8 are further disposed between the first rotating shaft 1 and the third rotating shaft 3, a first one of the connection plates 8 is located between the first elastic sheet assembly 7 and the first rotating bracket 51, a second one of the connection plates 8 is located between the first rotating bracket 51 and the plurality of first torsion pieces 13, and a third one of the connection plates 8 is located between the first helical tooth portion 12 and the plurality of first torsion pieces 13. Specifically, the plurality of connecting plates 8 are fitted around the first rotating shaft 1 and the third rotating shaft 3, respectively, and the plurality of connecting plates 8 are provided to separate the other members located on the first rotating shaft 1 and the third rotating shaft 3.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides a four-axis gear drive, is including mount (9), its characterized in that: the fixing frame (9) is rotatably provided with a first rotating shaft (1), a second rotating shaft (2), a third rotating shaft (3) and a fourth rotating shaft (4), the first rotating shaft (1) and the second rotating shaft (2) are arranged in a collinear manner and are positioned on the same side of the fixing frame (9), the first rotating shaft (1) is in transmission connection with the third rotating shaft (3), the third rotating shaft (3) and the fourth rotating shaft (4) are arranged in a collinear manner and are positioned on the other side of the fixing frame (9), and the second rotating shaft (2) is in transmission connection with the fourth rotating shaft (4); the fixing frame (9) is provided with four accommodating parts (91) used for accommodating the four rotating shafts respectively and four fifth limiting parts (92) used for stopping and limiting the four rotating shafts respectively, the accommodating parts (91) are communicated with the fifth limiting parts (92), and the four rotating shafts are provided with first limiting parts (11) used for abutting against the fifth limiting parts (92) to limit.
2. The four-axis gear transmission mechanism according to claim 1, wherein: one end of the first rotating bracket (51) is arranged on the first rotating shaft (1), one end of the second rotating bracket (52) is arranged on the second rotating shaft (2), and the other end of the first rotating bracket (51) and the other end of the second rotating bracket (52) are both connected with an external base; one end of a third rotating support is arranged on the third rotating shaft (3), one end of a fourth rotating support is arranged on the fourth rotating shaft (4), and the other end of the third rotating support and the other end of the fourth rotating support are connected with an external display screen; the first rotating bracket (51) and the second rotating bracket (52) which are positioned on the same side rotate to drive the first rotating shaft (1) and the second rotating shaft (2) to rotate; the third rotating bracket and the fourth rotating bracket positioned on the other side rotate to drive the third rotating shaft (3) and the fourth rotating shaft (4) to rotate.
3. The four-axis gear transmission mechanism according to claim 2, wherein: the first rotating shaft (1) is provided with a first helical tooth portion (12), the third rotating shaft (3) is provided with a third helical tooth portion (31), the first rotating shaft (1) and the third rotating shaft (3) are in transmission connection through a transmission mechanism, the transmission mechanism comprises a first idle wheel (61) and a second idle wheel (62), the first idle wheel (61) is in meshing transmission connection with the first helical tooth portion (12) and the second idle wheel (62), and the second idle wheel (62) is in meshing transmission connection with the first idle wheel (61) and the third helical tooth portion (31).
4. The four-axis gear transmission mechanism according to claim 3, wherein: the two ends of the first torsion pieces (13) are respectively sleeved on the outer side of the first rotating shaft (1) and the outer side of the third rotating shaft (3), the number of the first torsion pieces (13) is multiple, the first torsion pieces (13) are stacked together, and the first torsion pieces (13) are arranged in the length direction of the first rotating shaft (1) and the length direction of the third rotating shaft (3).
5. The four-axis gear transmission mechanism according to claim 4, wherein: a first elastic sheet assembly (7) is arranged on the first rotating shaft (1) far away from the first inclined tooth part (12), the first elastic sheet assembly (7) comprises a plurality of first elastic sheets (71), and the first elastic sheets (71) are positioned between the two first stop blocks (72); one end of the first stop block (72) is provided with a first adjusting nut (73), the first adjusting nut (73) is in threaded connection with the outer side of the first rotating shaft (1) in a sleeved mode, and the first adjusting nut (73) is used for adjusting the compression amount of the first elastic sheets (71) so as to adjust the torsion of the first rotating shaft (1).
6. The four-axis gear transmission mechanism according to claim 5, wherein: a plurality of connecting plates (8) are further arranged between the first rotating shaft (1) and the third rotating shaft (3), the first connecting plate (8) is located between the first elastic sheet assembly (7) and the first rotating support (51), the second connecting plate (8) is located between the first rotating support (51) and the first torsion sheets (13), and the third connecting plate (8) is located between the first oblique tooth part (12) and the first torsion sheets (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120942166.0U CN215110044U (en) | 2021-04-30 | 2021-04-30 | Four-axis gear transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120942166.0U CN215110044U (en) | 2021-04-30 | 2021-04-30 | Four-axis gear transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215110044U true CN215110044U (en) | 2021-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120942166.0U Active CN215110044U (en) | 2021-04-30 | 2021-04-30 | Four-axis gear transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215110044U (en) |
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2021
- 2021-04-30 CN CN202120942166.0U patent/CN215110044U/en active Active
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