CN211288437U - Light and thin notebook computer rotating shaft - Google Patents
Light and thin notebook computer rotating shaft Download PDFInfo
- Publication number
- CN211288437U CN211288437U CN202020035827.7U CN202020035827U CN211288437U CN 211288437 U CN211288437 U CN 211288437U CN 202020035827 U CN202020035827 U CN 202020035827U CN 211288437 U CN211288437 U CN 211288437U
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- rotating shaft
- shaft cavity
- hanging table
- plane
- cavity
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1681—Details related solely to hinges
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Laser Beam Processing (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a light and thin notebook computer rotating shaft, which comprises a rotating shaft cavity and a catch, wherein the rotating shaft cavity is a hollow cylindrical cavity, an accommodating space is formed inside the rotating shaft cavity, two opposite inner wall surfaces of the rotating shaft cavity both extend inwards to form a hanging table, and the inner side surface of the hanging table is matched with the edge of the catch; the edge of the separation blade is connected with the inner side surface of the hanging table in a laser welding mode, and the separation blade is perpendicular to the inner wall surface of the rotating shaft cavity after being welded on the hanging table; the wall thickness of the rotating shaft cavity is 0.35-0.50mm, the thickness of the hanging table is consistent with that of the baffle plate, and the depth of the hanging table extending from the inner wall surface of the rotating shaft cavity is 0.45-0.55 mm. The utility model discloses can guarantee laser welding's effect, under the condition that does not influence the normal line functions such as walking in pivot chamber, improve the product yield, satisfy the frivolous development trend in pivot chamber.
Description
Technical Field
The utility model belongs to the technical field of computer pivot accessory, especially, relate to a notebook computer pivot.
Background
The existing portable devices are designed to be thin, small and light, and generally comprise a base composed of a main body and a keyboard, and an upper cover composed of a display screen and a cover body. When the portable computer is not used or is used, the upper cover is covered on the base, and when the portable computer is used, the upper cover needs to be lifted upwards to a proper angle, so that the portable computer is convenient to operate and use.
At present, aluminum alloy parts begin to appear on a rotating shaft part for connecting a display of a portable computer and a keyboard body, for example, in a rotating shaft shell disclosed in patent CN 201721773778.1-a rotating shaft shell of a portable computer, a baffle is directly welded on the inner wall of a cylindrical shell, but the rotating shaft shell is thinner and thinner as the current rotating shaft shell is required to be thinned, so that when the baffle is welded on the shell, the baffle is often damaged due to local high temperature, such as the shell at the welding position bulges and the like, and the yield is affected, and in order to eliminate bulges and the like, the rotating shaft shell is polished until the damage is eliminated, such problems as excessive polishing, rotating shaft shell deformation and the like are caused; if flaws exist after polishing, the surface is subjected to surface treatment and then is subjected to polishing and plating returning, so that the cost is increased. Or, in order to ensure the welding quality, the rotating shaft cavity can only be ensured to have enough wall thickness, so that the development requirement of the light and thin notebook computer can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a frivolous notebook computer pivot, can guarantee laser welding's effect, does not influence the pivot chamber and normally walks under the condition of functions such as line, improves the product yield, satisfies the frivolous development trend in pivot chamber.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model provides a light and thin notebook computer rotating shaft, which comprises a rotating shaft cavity and a separation blade, wherein the rotating shaft cavity is a hollow cylindrical cavity, an accommodating space is formed inside the rotating shaft cavity, two opposite inner wall surfaces of the rotating shaft cavity both extend inwards to form a hanging table, and the inner side surface of the hanging table is matched with the edge of the separation blade;
the edge of the baffle plate is connected with the inner side surface of the hanging table in a laser welding mode, and the baffle plate is perpendicular to the inner wall surface of the rotating shaft cavity after being welded on the hanging table;
the wall thickness of the rotating shaft cavity is 0.35-0.50mm, the thickness of the hanging table is consistent with that of the baffle plate, and the depth of the hanging table extending from the inner wall surface of the rotating shaft cavity is 0.45-0.55 mm.
In order to solve the technical problem, the utility model discloses a further technical scheme is: the separation blade is equipped with a big through-hole and two little through-holes, the aperture of big through-hole is greater than the space of little through-hole, big through-hole is located the intermediate position of separation blade.
The outer wall surface of the rotating shaft cavity comprises four arc surfaces and three planes, the four arc surfaces are a first arc surface, a second arc surface, a third arc surface and a fourth arc surface respectively, the three planes are a first plane, a second plane and a third plane respectively, the first arc surface, the first plane, the second arc surface, the second plane, the third arc surface, the third plane and the fourth arc surface are connected in sequence, and the first plane is opposite to the third plane.
Further, the hanging table is provided on an inner wall surface corresponding to the first plane and the third plane.
Further, the surface of the rotating shaft cavity is provided with an anodic oxidation layer.
Further, the rotating shaft cavity is an aluminum alloy or magnesium alloy cavity.
Furthermore, the thicknesses of the hanging table and the baffle sheet are both 1.0 +/-0.01 mm.
Further, the height of the rotating shaft is 7.43 +/-0.10 mm, the width of the rotating shaft is 14.66 +/-0.10 mm, and the length of the rotating shaft is 30.00 +/-0.10 mm.
The utility model has the advantages that:
the utility model comprises a rotating shaft cavity and a baffle plate, wherein the rotating shaft cavity is a hollow cylindrical cavity, a holding space is formed inside the rotating shaft cavity, two opposite inner wall surfaces of the rotating shaft cavity both extend inwards to form a hanging table, the edge of the baffle plate is connected with the inner side surface of the hanging table by laser welding, and the baffle plate is welded behind the hanging table and is vertical to the inner wall surface of the rotating shaft cavity; the utility model realizes the connection mode of the separation blade and the rotating shaft cavity by adopting the laser welding between the hanging platforms of the separation blade and the rotating shaft cavity, and avoids the direct welding between the separation blade and the rotating shaft cavity, so the wall thickness of the existing rotating shaft cavity can be as low as 0.4mm, under the condition that the previous separation blade needs to be directly welded with the cavity wall of the rotating shaft cavity, the wall thickness of the rotating shaft cavity at least needs 0.7mm, and under the condition that the wall thickness is 0.7mm, the reject ratio is higher; and adopt this kind of structural design, through the mode that needs the welded position to set up the platform of hanging in the pivot chamber, once through the welding of one side from the pivot chamber, once again from the opposite side welding in pivot chamber's mode, can guarantee laser welding's effect, under the condition that does not influence the normal line functions such as walking in pivot chamber, improve the product yield, satisfy the frivolous development trend in pivot chamber.
Furthermore, the surface of the rotating shaft cavity of the utility model can be covered with an anodic oxidation layer, thereby improving the performances of hardness, wear resistance or oxidation resistance and the like.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made of preferred embodiments of the present invention.
Drawings
Fig. 1 is a schematic view of the appearance structure of the present invention;
FIG. 2 is a schematic view of the exploded structure of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a front view of the present invention;
the rotary shaft comprises a rotary shaft cavity 1, a first cambered surface 11, a second cambered surface 12, a third cambered surface 13, a fourth cambered surface 14, a first plane 15, a second plane 16, a third plane 17, a baffle plate 2, a large through hole 21, a small through hole 22, a hanging table 3, the wall thickness D1 of the rotary shaft cavity, the depth D2 of the hanging table extending from the inner wall surface of the rotary shaft cavity, the thickness D3 of the hanging table and the baffle plate.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and the advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention. The present invention can also be implemented in other different ways, i.e. different modifications and changes can be made without departing from the scope of the present invention.
The same notebook computer comprises two rotating shafts, and the two rotating shafts are in mirror symmetry.
Example (b): as shown in fig. 1 to 4, the rotating shaft comprises a rotating shaft cavity 1 and a blocking piece 2, the rotating shaft cavity is a hollow cylindrical cavity, an accommodating space is formed inside the rotating shaft cavity, two opposite inner wall surfaces of the rotating shaft cavity extend inwards to form a hanging table 3, and the inner side surface of the hanging table is matched with the edge of the blocking piece;
the edge of the baffle plate is connected with the inner side surface of the hanging table in a laser welding mode, and the baffle plate is perpendicular to the inner wall surface of the rotating shaft cavity after being welded on the hanging table;
the wall thickness D1 of pivot chamber is 0.35-0.50mm, the thickness of hanging the platform (the thickness that indicates along the length direction in pivot chamber) is unanimous with the thickness of separation blade, the depth D2 that the platform extends from the internal wall face in pivot chamber is 0.45-0.55 mm. The accommodating space is used for wiring and the like.
The separation blade is equipped with a big through-hole 21 and two little through-holes 22, the aperture of big through-hole is greater than the space of little through-hole, big through-hole is located the intermediate position of separation blade.
The outer wall surface of the rotating shaft cavity comprises four arc surfaces and three planes, the four arc surfaces are a first arc surface 11, a second arc surface 12, a third arc surface 13 and a fourth arc surface 14 respectively, the three planes are a first plane 15, a second plane 16 and a third plane 17 respectively, the first arc surface, the first plane, the second arc surface, the second plane, the third arc surface, the third plane and the fourth arc surface are connected in sequence, and the first plane is opposite to the third plane.
The hanging table is arranged on the inner wall surface corresponding to the first plane and the third plane.
The surface of the rotating shaft cavity is provided with an anodic oxidation layer or other functional coatings and a plating layer.
The rotating shaft cavity is an aluminum alloy or magnesium alloy cavity. In this embodiment, the rotating shaft cavity is an Al6063 cavity.
In this embodiment, the thickness D3 of the hanging platform and the separation blade is 1.0 ± 0.01 mm.
The height H of the rotating shaft is 7.43 +/-0.10 mm, the width W of the rotating shaft is 14.66 +/-0.10 mm, and the length L of the rotating shaft is 30.00 +/-0.10 mm.
The processing procedure of the rotating shaft in the embodiment mainly comprises the following steps: extruding the section into a cavity, processing the end face of the cavity through CNC, punching a baffle plate at the same time, then performing laser welding on the baffle plate and a hanging table of a rotating shaft cavity, welding another surface after welding one surface, forming a laser welding area, namely between the hanging table and the edge of the baffle plate, polishing the outer wall surface of the rotating shaft cavity and electroplating a coating/or an oxide layer as shown in figure 3, and finally inspecting and packaging.
The utility model discloses a theory of operation and working process as follows:
the connecting mode of the separation blade and the rotating shaft cavity is realized by laser welding between the separation blade and a hanging table of the rotating shaft cavity, and direct welding between the separation blade and the rotating shaft cavity is avoided, so that the wall thickness of the existing rotating shaft cavity can be as low as 0.4mm, under the condition that the previous separation blade needs to be directly welded with the wall of the rotating shaft cavity, the wall thickness of the rotating shaft cavity is at least 0.7mm, and under the condition that the wall thickness is 0.7mm, the reject ratio is higher; and this embodiment adopts this kind of structural design, through the mode that needs the welded position to set up the string platform in the pivot chamber, once through the welding of one side from the pivot chamber, once again from the opposite side welding in pivot chamber's mode, can guarantee laser welding's effect, under the condition that does not influence the normal line functions such as walking in pivot chamber, improves the product yield, satisfies the frivolous development trend in pivot chamber.
The above is only the embodiment of the utility model discloses a not consequently the restriction the utility model discloses a patent range, all utilize the utility model discloses the equivalent structure that the specification was done, or direct or indirect application is in other relevant technical field, all the same reason is included the utility model discloses an in the patent protection scope.
Claims (8)
1. A thin notebook computer pivot which characterized in that: the rotating shaft comprises a rotating shaft cavity (1) and a blocking piece (2), the rotating shaft cavity is a hollow cylindrical cavity, an accommodating space is formed inside the rotating shaft cavity, two opposite inner wall surfaces of the rotating shaft cavity both extend inwards to form a hanging table (3), and the inner side surface of the hanging table is matched with the edge of the blocking piece;
the edge of the baffle plate is connected with the inner side surface of the hanging table in a laser welding mode, and the baffle plate is perpendicular to the inner wall surface of the rotating shaft cavity after being welded on the hanging table;
the wall thickness (D1) of the rotating shaft cavity is 0.35-0.50mm, the thickness of the hanging table is consistent with that of the baffle plate, and the depth (D2) of the hanging table extending from the inner wall surface of the rotating shaft cavity is 0.45-0.55 mm.
2. The thin and light notebook computer hinge according to claim 1, wherein: the separation blade is equipped with one big through-hole (21) and two little through-holes (22), the aperture of big through-hole is greater than the space of little through-hole, big through-hole is located the intermediate position of separation blade.
3. The thin and light notebook computer hinge according to claim 1, wherein: the outer wall surface of the rotating shaft cavity comprises four arc surfaces and three planes, the four arc surfaces are a first arc surface (11), a second arc surface (12), a third arc surface (13) and a fourth arc surface (14), the three planes are a first plane (15), a second plane (16) and a third plane (17), the first arc surface, the first plane, the second arc surface, the second plane, the third arc surface, the third plane and the fourth arc surface are connected in sequence, and the first plane is opposite to the third plane.
4. The thin and light notebook computer hinge according to claim 3, wherein: the hanging table is arranged on the inner wall surface corresponding to the first plane and the third plane.
5. The thin and light notebook computer hinge according to claim 1, wherein: the surface of the rotating shaft cavity is provided with an anodic oxidation layer.
6. The thin and light notebook computer hinge according to claim 1, wherein: the rotating shaft cavity is an aluminum alloy or magnesium alloy cavity.
7. The thin and light notebook computer hinge according to claim 1, wherein: the thickness (D3) of the hanging table and the baffle plate are both 1.0 +/-0.01 mm.
8. The thin and light notebook computer hinge according to claim 1, wherein: the height (H) of the rotating shaft is 7.43 +/-0.10 mm, the width (W) of the rotating shaft is 14.66 +/-0.10 mm, and the length (L) of the rotating shaft is 30.00 +/-0.10 mm.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020035827.7U CN211288437U (en) | 2020-01-08 | 2020-01-08 | Light and thin notebook computer rotating shaft |
| PCT/CN2020/085462 WO2021139032A1 (en) | 2020-01-08 | 2020-04-18 | Light and thin notebook computer rotary shaft |
| DE202020103490.1U DE202020103490U1 (en) | 2020-01-08 | 2020-04-18 | Folding axis of a light, thin notebook computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020035827.7U CN211288437U (en) | 2020-01-08 | 2020-01-08 | Light and thin notebook computer rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211288437U true CN211288437U (en) | 2020-08-18 |
Family
ID=72028957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020035827.7U Active CN211288437U (en) | 2020-01-08 | 2020-01-08 | Light and thin notebook computer rotating shaft |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN211288437U (en) |
| DE (1) | DE202020103490U1 (en) |
| WO (1) | WO2021139032A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931999A (en) * | 2017-11-30 | 2018-04-20 | 昆山慧智柏电子科技有限公司 | A kind of manufacturing process of notebook computer rotation shaft shell |
| CN107842550A (en) * | 2017-11-30 | 2018-03-27 | 昆山慧智柏电子科技有限公司 | A kind of notebook computer rotation shaft chamber and its manufacturing process |
| CN107885280A (en) * | 2017-12-19 | 2018-04-06 | 昆山慧智柏电子科技有限公司 | A kind of laptop computer rotating shaft shell and its manufacture method |
| CN209067653U (en) * | 2018-11-16 | 2019-07-05 | 昆山英思捷精密电子有限公司 | Notebook aluminium extruded shaft with a variety of fixed forms |
| CN209012249U (en) * | 2018-11-16 | 2019-06-21 | 昆山英思捷精密电子有限公司 | Convenient for the laptop rotating shaft of assembling |
| CN209471403U (en) * | 2019-05-05 | 2019-10-08 | 昆山英思捷精密电子有限公司 | Novel laptop post-receiving chamber |
-
2020
- 2020-01-08 CN CN202020035827.7U patent/CN211288437U/en active Active
- 2020-04-18 WO PCT/CN2020/085462 patent/WO2021139032A1/en active Application Filing
- 2020-04-18 DE DE202020103490.1U patent/DE202020103490U1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021139032A1 (en) | 2021-07-15 |
| DE202020103490U1 (en) | 2020-10-27 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |