CN217002643U - Bevel gear rotating shaft mechanism of water-drop type folding screen - Google Patents
Bevel gear rotating shaft mechanism of water-drop type folding screen Download PDFInfo
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- CN217002643U CN217002643U CN202220541009.3U CN202220541009U CN217002643U CN 217002643 U CN217002643 U CN 217002643U CN 202220541009 U CN202220541009 U CN 202220541009U CN 217002643 U CN217002643 U CN 217002643U
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Abstract
The utility model discloses a bevel gear rotating shaft mechanism of a water drop type folding screen, which comprises an inner side shell, an outer side shell, a first support, a second support, a first cam, a second cam, a first concave wheel, a second concave wheel, a first straight gear, a second straight gear, a first rack, a second rack, a double-sided bevel gear, a first rotating shaft, a second rotating shaft, a first bevel gear and a second bevel gear, wherein the double-sided bevel gear is positioned between the first bevel gear and the second bevel gear and is meshed with the first bevel gear and the second bevel gear. This bevel gear pivot mechanism of folding screen of water droplet type can be according to demand adjustment folding angle, form water droplet type structure during the closure, provide more dodges the space, prevent the screen crease, it is better to realize the stability of action through the transmission of bevel gear, double-sided bevel gear drives with 45 tangent planes, the transmissibility has been improved, reduce the driven virtual position section of complete machine, regard as the driving medium for the helical gear, the assembling process is more convenient, adjust axle center position at will, no spatial limitation.
Description
Technical Field
The utility model relates to the technical field of rotating shaft mechanisms, in particular to a bevel gear rotating shaft mechanism of a water drop type folding screen.
Background
The used pivot mechanism on the folding screen electronic product of current all adopts the straight-teeth gear to realize rotating, when forming U type structure and water droplet type, the pivot inboard can not provide sufficient space of dodging, lead to the screen crease to appear, the use part is more, the structure is complicated, and the straight-teeth gear drive can not effectively conduct pivoted power, very big rotation virtual position section appears, more importantly the space limitation is poor, when adjustment axle center position, the thickness of casing has been influenced, relative position's deviation has still appeared easily, lead to the card to die or the friction abnormal sound.
SUMMERY OF THE UTILITY MODEL
One object of the present invention is: the utility model provides a water droplet type folding screen's awl tooth pivot mechanism for solve the problem that prior art exists.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a water droplet type folding screen's awl tooth pivot mechanism, includes inboard casing, outside casing, first support, second support, first cam, second cam, first concave wheel, second concave wheel, first spur gear, second spur gear, first rack, second rack, two-sided bevel gear, first axis of rotation, second axis of rotation, first bevel gear and second bevel gear, inboard casing lid is in on the casing of the outside, first rack with the second rack all slides on the casing of the inboard, the one end of first axis of rotation is rotated and is connected on the casing of the outside, the other one end of first axis of rotation passes in proper order first bevel gear, first cam, first concave wheel, first spur gear, the one end of second axis of rotation is rotated and is connected on the casing of the outside, the other one end of second axis of rotation passes in proper order second bevel gear, The second cam the second concave wheel the second straight gear, first rack with first straight gear engagement, the second rack with second straight gear engagement, first cam with first concave wheel joint, the second cam with second concave wheel joint, double bevel gear is in first bevel gear with between the second bevel gear and with first bevel gear with second bevel gear engagement.
As a preferable technical solution, a fixing member is installed inside an end portion of the outer case, the first rotating shaft penetrates the fixing member and then is connected to the second bracket, and the second rotating shaft penetrates the fixing member and then is connected to the first bracket.
As a preferable technical solution, a screw is mounted on the inner housing, and the screw is screwed on the outer housing.
As a preferable technical solution, a first spring is installed between the first spur gear and the first cam, and a second spring is installed between the second spur gear and the second cam.
As a preferred technical scheme, clamping springs are mounted at the end parts of the first spring and the second spring.
As a preferable technical solution, the connector further comprises a first connecting needle and a second connecting needle, the first connecting needle passes through the first bracket and is connected to the first rack, and the second connecting needle passes through the second bracket and is connected to the second rack.
As a preferred technical scheme, a first avoiding plate is installed on the first support, and a second avoiding plate is installed on the second support.
The utility model has the beneficial effects that: the utility model provides a water droplet type folding screen's awl tooth pivot mechanism, this water droplet type folding screen's awl tooth pivot mechanism can adjust folding angle according to the demand, form water droplet type structure during the closure, provide more dodge the space, prevent the screen crease, it is better to realize the stability of action through the transmission of awl tooth, double-sided bevel gear carries out the transmission with 45 tangent planes, the transmissibility has been improved, reduce complete machine driven virtual position section, as the driving medium for the helical gear, the assembling process is more convenient, under the thickness condition that does not influence the casing, adjust the axle center position at will, no spatial limitation.
Drawings
The utility model is explained in more detail below with reference to the figures and examples.
Fig. 1 is a partial structural schematic view of a bevel gear rotating shaft mechanism of a water drop type folding screen according to an embodiment;
fig. 2 is a schematic overall structure diagram of a bevel gear rotating shaft mechanism of a water drop type folding screen according to an embodiment;
fig. 3 is a schematic internal structural diagram of a bevel gear rotating shaft mechanism of a water drop type folding screen according to an embodiment.
In fig. 1 to 3:
1. an inner housing; 2. an outer housing; 3. a first bracket; 4. a second bracket; 5. a first cam; 6. a second cam; 7. a first concave wheel; 8. a second concave wheel; 9. a first straight gear; 10. a second spur gear; 11. a first rack; 12. a second rack; 13. a double-sided bevel gear; 14. a first rotating shaft; 15. a second rotating shaft; 16. a first bevel gear; 17. a second bevel gear; 18. a fixing member; 19. a screw; 20. a first spring; 21. a second spring; 22. a clamp spring; 23. a first connecting pin; 24. a second connecting pin; 25. a first avoidance plate; 26. a second avoidance plate.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 3, in this embodiment, a conical tooth rotating shaft mechanism of a water drop type folding screen includes an inner housing 1, an outer housing 2, a first bracket 3, a second bracket 4, a first cam 5, a second cam 6, a first concave wheel 7, a second concave wheel 8, a first straight gear 9, a second straight gear 10, a first rack 11, a second rack 12, a double-sided bevel gear 13, a first rotating shaft 14, a second rotating shaft 15, a first bevel gear 16 and a second bevel gear 17, wherein the inner housing 1 covers the outer housing 2, the first rack 11 and the second rack 12 both slide on the inner housing 1, one end of the first rotating shaft 14 is rotatably connected to the outer housing 2, the other end of the first rotating shaft 14 sequentially passes through the first bevel gear 16, the first cam 5, the first concave wheel 7 and the first straight gear 9, one end of the second rotating shaft 15 is rotatably connected to the outer shell 2, the other end of the second rotating shaft 15 sequentially penetrates through the second bevel gear 17, the second cam 6, the second concave wheel 8 and the second straight gear 10, the first rack 11 is meshed with the first straight gear 9, the second rack 12 is meshed with the second straight gear 10, the first cam 5 is connected with the first concave wheel 7 in a clamped mode, the second cam 6 is connected with the second concave wheel 8 in a clamped mode, and the double-sided bevel gear 13 is located between the first bevel gear 16 and the second bevel gear 17 and meshed with the first bevel gear 16 and the second bevel gear 17.
When the first support 3 and the second support 4 are bent around the outer shell 2, a close angle (0 °) can be formed, and a joint angle (90 °) can be adjusted according to the requirement by the angle, and meanwhile, the closed angle can be set to be automatically opened, automatically closed and kept still at a certain angle, and an open angle (180 °) can be formed to be matched with a fixed part by a rotating part, and the unfolded angle is not limited to 180 °, can be larger than 180 °, and can also be smaller than 180 °.
Specifically, the first rotating shaft 14 is clamped with the first concave wheel 7 and the first bevel gear 16, and is rotationally connected with the first cam 5; similarly, the second rotating shaft 15 is connected with the second concave wheel 8 and the second bevel gear 17 in a clamping manner, and is connected with the second cam 6 in a rotating manner.
When the first bracket 3 is bent upwards, the first rack 11 is pulled out, the first straight gear 9 connected with the first rack 11 rotates and drives the first rotating shaft 14 to rotate, the first concave wheel 7 and the first cam 5 are forced to change relative clamping position, the angle between the first bracket 3 and the outer shell 2 is changed, a fixed structure can also be formed, and when the first rotating shaft 14 rotates, power is transmitted to the second bevel gear 17 through the meshing between the first bevel gear 16 and the double-sided bevel gear 13, so that the second rotating shaft 15 rotates, and similarly, the second bracket 4 is also bent upwards, and the first bracket 3 and the second bracket 4 are bent synchronously.
In the installation, the first rotating shaft 14 having the first bevel gear 16 and the second rotating shaft 15 having the second bevel gear 17 are respectively inserted into both sides, and then the double-sided bevel gear 13 is directly inserted between the first rotating shaft 14 and the second rotating shaft 15, which is more convenient than the assembly using a bevel gear and a helical gear shaft.
More specifically, a fixing member 18 is installed inside an end portion of the outer case 2, the first rotating shaft 14 is connected to the second bracket 4 after passing through the fixing member 18, and the second rotating shaft 15 is connected to the first bracket 3 after passing through the fixing member 18.
And a screw 19 is arranged on the inner shell 1, and the screw 19 is in threaded connection with the outer shell 2.
In the assembly process, after the components for rotation are put into the outer case 2, the inner case 1 is attached to the outer case 2 by the screws 19, thereby protecting the corresponding internal structure.
A first spring 20 is installed between the first spur gear 9 and the first cam 5, and a second spring 21 is installed between the second spur gear 10 and the second cam 6.
Furthermore, the end of the first spring 20 and the end of the second spring 21 are both provided with a snap spring 22.
After the first concave wheel 7 and the second concave wheel 8 rotate, the first spring 20 and the second spring 21 are respectively used for controlling the resetting, and the positions of the first spring 20 and the second spring 21 are clamped by the clamp spring 22 in the installation process.
The bevel gear rotating shaft mechanism further comprises a first connecting needle 23 and a second connecting needle 24, wherein the first connecting needle 23 penetrates through the first bracket 3 and is connected to the first rack 11, and the second connecting needle 24 penetrates through the second bracket 4 and is connected to the second rack 12.
Install first dodge the board 25 on the first support 3, install the second on the second support 4 and dodge board 26, the one end of first dodge board 25 with first rack 11 is connected, the other end of first dodge board 25 articulates on the first support 3, the one end that the board 26 was dodged to the second with second rack 12 is connected, the other end that the board 26 was dodged to the second articulates on the second support 4, and the screen of electronic product is in first dodge board 25 with bend on the board 26 is dodged to the second, and when buckling, first dodge board 25 with the second dodges board 26 and forms the structure of water droplet type, has reserved the dodge space of lower extreme, and the upper end can lean on together again.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principle used, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a water droplet type folding screen's awl tooth pivot mechanism, a serial communication port, including inboard casing, outside casing, first support, second support, first cam, second cam, first concave wheel, second concave wheel, first spur gear, second spur gear, first rack, second rack, two-sided bevel gear, first axis of rotation, second axis of rotation, first bevel gear and second bevel gear, inboard casing lid is in on the casing of the outside, first rack with the second rack all slides on the inboard casing, the one end of first axis of rotation is rotated and is connected on the casing of the outside, the other one end of first axis of rotation passes in proper order first bevel gear, first cam, first concave wheel, first spur gear, the one end of second axis of rotation is rotated and is connected on the casing of the outside, the other one end of second axis of rotation passes in proper order second bevel gear, The second cam, the second concave wheel, the second straight-tooth gear, first rack with first straight-tooth gear meshing, the second rack with the second straight-tooth gear meshing, first cam with first concave wheel joint, the second cam with the second concave wheel joint, double-sided bevel gear is in first bevel gear with between the second bevel gear and with first bevel gear with second bevel gear meshing.
2. The bevel gear rotating shaft mechanism of a water drop type folding screen as claimed in claim 1, wherein a fixing member is installed inside an end portion of the outer housing, the first rotating shaft passes through the fixing member and then is connected to the second bracket, and the second rotating shaft passes through the fixing member and then is connected to the first bracket.
3. The bevel gear spindle mechanism of a water drop type folding screen as claimed in claim 1, wherein a screw is mounted on the inner housing, and the screw is screwed on the outer housing.
4. The bevel gear rotating shaft mechanism of a water drop type folding screen as claimed in claim 1, wherein a first spring is installed between the first spur gear and the first cam, and a second spring is installed between the second spur gear and the second cam.
5. The bevel gear rotating shaft mechanism of the water drop type folding screen as claimed in claim 4, wherein the ends of the first spring and the second spring are both provided with a snap spring.
6. The bevel gear rotating shaft mechanism of a water drop type folding screen as claimed in claim 1, further comprising a first connecting pin and a second connecting pin, wherein the first connecting pin passes through the first bracket and is connected to the first rack, and the second connecting pin passes through the second bracket and is connected to the second rack.
7. The bevel gear rotating shaft mechanism of a water drop type folding screen as claimed in claim 1, wherein a first avoiding plate is mounted on the first bracket, and a second avoiding plate is mounted on the second bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220541009.3U CN217002643U (en) | 2022-03-11 | 2022-03-11 | Bevel gear rotating shaft mechanism of water-drop type folding screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220541009.3U CN217002643U (en) | 2022-03-11 | 2022-03-11 | Bevel gear rotating shaft mechanism of water-drop type folding screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002643U true CN217002643U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220541009.3U Active CN217002643U (en) | 2022-03-11 | 2022-03-11 | Bevel gear rotating shaft mechanism of water-drop type folding screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002643U (en) |
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2022
- 2022-03-11 CN CN202220541009.3U patent/CN217002643U/en active Active
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