CN215521599U - Pivot device for stretching screen distance - Google Patents
Pivot device for stretching screen distance Download PDFInfo
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- CN215521599U CN215521599U CN202120649874.5U CN202120649874U CN215521599U CN 215521599 U CN215521599 U CN 215521599U CN 202120649874 U CN202120649874 U CN 202120649874U CN 215521599 U CN215521599 U CN 215521599U
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Abstract
The utility model discloses a pivot device for stretching the distance between screens, which structurally adopts a symmetrical design and a 360-degree rotation design, and the distance between two screens is reduced within a range of 180 degrees; the device comprises a sliding chute base, a tension spring, a sliding bearing frame, a concave wheel limiting frame, a main gear, a wheel strip and a cam limiting frame; the utility model aims to provide a pivot device which adopts a multi-axis linkage design and a 360-degree turnover design, realizes linkage, has a compact structure, is convenient to use, realizes multi-angle opening and closing, can retract the distance between two screens within 180 degrees, and is used for stretching the distance between the screens.
Description
Technical Field
The utility model relates to the field of pivots, in particular to a pivot for stretching the distance of a screen.
Background
An electronic device such as a notebook computer is generally provided with a host system end base and a liquid crystal display screen end upper cover which can be opened, wherein the system end base and the display screen end upper cover are connected at opposite end parts by two groups of pivot connectors which are separately arranged, so that the liquid crystal display screen of the upper cover can be opened by taking the pivot connectors as action axes when in use, and an operation program for inputting instructions is carried out through a control area of the base system end; when not in use, the system end and the display screen end can be closed relatively in the opposite direction of the opening action.
The application has designed a pivot ware for stretching screen distance, adopts multiaxis linkage design and 360 degrees upset designs, realizes the interlock, and the structure is inseparable, and convenient to use realizes that the multi-angle opens and shuts, can contract the distance between two screens in 180 degrees.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pivot device which adopts a multi-axis linkage design and a 360-degree turnover design, realizes linkage, has a compact structure, is convenient to use, realizes multi-angle opening and closing, can retract the distance between two screens within 180 degrees, and is used for stretching the distance between the screens.
The technical scheme of the utility model is as follows: a pivot device for stretching the distance between screens structurally adopts a symmetrical design and a 360-degree rotating design, and the distance between two screens is reduced within 180 degrees; the device comprises a sliding chute base, a tension spring, a sliding bearing frame, a concave wheel limiting frame, a main gear, a wheel strip and a cam limiting frame; the sliding bearing frame is arranged on the sliding groove base through a plurality of screws, a gasket is arranged between the sliding bearing frame and the screws, a plurality of limiting columns are arranged on the sliding groove base, and the limiting columns penetrate through the sliding bearing frame and the main gear; the main gear is arranged on the sliding bearing frame through a limiting column, and the wheel strip is arranged on the sliding bearing frame; the concave wheel limiting frame is arranged on the sliding groove base and connected with the cam limiting frame, and the cam limiting frame is connected with the sliding groove base.
In order to further supplement the technical scheme, one end of the concave wheel limiting frame is in gear connection with one end of the main gear through gear design, and the other end of the main gear is connected with the rack gear.
In order to further complement the technical solution, the main gear moves on the sliding bearer through the limiting column.
In order to further supplement the technical scheme, the main gear drives the spokes to move when moving, so that the sliding bearing frame is driven to slide on the sliding groove base to move, and inward retraction is realized.
In order to further supplement the technical scheme, a tension spring is further arranged on the sliding groove base and stretches the concave wheel limiting frame to prevent the concave wheel limiting frame from loosening.
In order to further supplement the technical scheme, the cam limiting frame can be driven to move on the concave wheel limiting frame when the concave wheel limiting frame is rotated.
The multi-screen folding device has the advantages that the multi-axis linkage design and the 360-degree turnover design are adopted, linkage is realized, the structure is compact, the use is convenient, multi-angle folding and unfolding are realized, and the distance between the two screens can be retracted within 180 degrees.
Drawings
FIG. 1 is a schematic view of a pivot for stretching the screen distance;
fig. 2 is a schematic structural view of a cam limiting frame.
In figure 1, a chute base; 2. a tension spring; 3. a sliding bearing frame; 4. a concave wheel limiting frame; 5. a main gear; 6. a wheel strip; 7. a cam limiting frame; 8. a screw; 9. a gasket; 10. a limiting column.
Detailed Description
The utility model is described in detail below with reference to the accompanying drawings, and as shown in fig. 1, the technical solution of the utility model is as follows: a pivot device for stretching the distance between screens structurally adopts a symmetrical design and a 360-degree rotating design, and the distance between two screens is reduced within 180 degrees; the device comprises a chute base 1, a tension spring 2, a sliding bearing frame 3, a concave wheel limiting frame 4, a main gear 5, a wheel strip 6 and a cam limiting frame 7; the sliding bearing frame 3 is arranged on the sliding chute base 1 through a plurality of screws 8, a gasket 9 is arranged between the sliding bearing frame 3 and the screws 8, a plurality of limiting columns 10 are arranged on the sliding chute base 1, and the limiting columns penetrate through the sliding bearing frame 3 and the main gear 5; the main gear 5 is arranged on the sliding bearing frame 3 through a limiting column 10, and the main gear 5 moves on the sliding bearing frame 3 through the limiting column 10.
The wheel strip 6 is arranged on the sliding bearing frame 3; the concave wheel limiting frame 4 is arranged on the sliding groove base 1, the concave wheel limiting frame 4 is connected with the cam limiting frame 7, and the cam limiting frame 7 is connected with the sliding groove base 1. One end of the concave wheel limiting frame 4 is in gear connection with one end of a main gear 5 through gear design, and the other end of the main gear 5 is in gear connection with a wheel strip 6. The sliding groove base 1 is further provided with a tension spring 2, and the tension spring 2 is used for stretching the concave wheel limiting frame 4 to prevent the concave wheel limiting frame from loosening.
The working principle is as follows: when the motion is not transmitted, the sliding bearing frame 3 is at the end position of 0 degree; turning over 360 degrees, and returning to the 0-degree position between the sliding bearing frames 3. As shown in fig. 1, the angle between the sliding bearing frames 3 is 180 degrees, when the concave wheel spacing frame 4 is rotated, the cam spacing frame 7 is driven to move on the concave wheel spacing frame 4, and when the concave wheel spacing frame 4 drives the main gear 5 to move, the spoke 6 is driven to move, so that the sliding bearing frame 3 is driven to slide on the chute base 1, and the inward retraction is realized. As shown in figure 2, the cam limiting frame 7 is a spiral linkage mechanism, and the transmission between the motion of the concave wheel limiting frame 4 and the motion of the main gear 5 enables the bilaterally symmetrical sides to be linked.
The utility model has the key points that the multi-axis linkage design and the 360-degree turnover design are adopted, the linkage is realized, the structure is compact, the use is convenient, the multi-angle opening and closing is realized, and the distance between the two screens can be retracted within 180 degrees.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (6)
1. A pivot device for stretching the distance between screens is characterized in that the pivot device structurally adopts a symmetrical design and a 360-degree rotating design, and the distance between two screens is reduced within 180 degrees; the device comprises a chute base (1), a tension spring (2), a sliding bearing frame (3), a concave wheel limiting frame (4), a main gear (5), a wheel strip (6) and a cam limiting frame (7); the sliding bearing frame (3) is arranged on the sliding chute base (1) through a plurality of screws (8), a gasket (9) is arranged between the sliding bearing frame (3) and the screws (8), a plurality of limiting columns (10) are arranged on the sliding chute base (1), and the limiting columns (10) penetrate through the sliding bearing frame (3) and the main gear (5); the main gear (5) is arranged on the sliding bearing frame (3) through a limiting column (10), and the wheel strip (6) is arranged on the sliding bearing frame (3); the concave wheel limiting frame (4) is arranged on the sliding groove base (1), the concave wheel limiting frame (4) is connected with the cam limiting frame (7), and the cam limiting frame (7) is connected with the sliding groove base (1).
2. A pivot device for stretching the screen distance according to claim 1, wherein one end of the concave wheel spacing frame (4) is geared with one end of the main gear (5) by a gear design, and the other end of the main gear (5) is geared with the wheel bar (6).
3. A pivot for stretching the screen distance according to claim 1, characterized in that the main gear (5) is moved on the slide bearer (3) by means of a limit post (10).
4. A pivot device for stretching the distance between screens according to claim 1, wherein the main gear (5) displaces to drive the rack (6) to move and thereby drive the sliding carriage (3) to move on the chute base (1) to retract.
5. The pivot device for stretching the distance between the screens according to claim 1, wherein the chute base (1) is further provided with a tension spring (2), and the tension spring (2) stretches the concave wheel limiting frame (4) to prevent the concave wheel limiting frame from loosening.
6. A pivot device for stretching the distance between screens as claimed in claim 1, wherein the cam limiting bracket (7) is displaced on the cam limiting bracket (4) when the cam limiting bracket (4) is rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120649874.5U CN215521599U (en) | 2021-03-29 | 2021-03-29 | Pivot device for stretching screen distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120649874.5U CN215521599U (en) | 2021-03-29 | 2021-03-29 | Pivot device for stretching screen distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521599U true CN215521599U (en) | 2022-01-14 |
Family
ID=79801125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120649874.5U Active CN215521599U (en) | 2021-03-29 | 2021-03-29 | Pivot device for stretching screen distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521599U (en) |
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2021
- 2021-03-29 CN CN202120649874.5U patent/CN215521599U/en active Active
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