CN203685839U - Worm wheel and worm transmission-type 360-degree double-shaft synchronous damping rotating shaft - Google Patents
Worm wheel and worm transmission-type 360-degree double-shaft synchronous damping rotating shaft Download PDFInfo
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- CN203685839U CN203685839U CN201420027229.XU CN201420027229U CN203685839U CN 203685839 U CN203685839 U CN 203685839U CN 201420027229 U CN201420027229 U CN 201420027229U CN 203685839 U CN203685839 U CN 203685839U
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 27
- 239000012634 fragment Substances 0.000 claims description 29
- 230000014759 maintenance of location Effects 0.000 claims description 6
- 230000006872 improvement Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
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- 238000000354 decomposition reaction Methods 0.000 description 2
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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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Abstract
The utility model discloses a worm wheel and worm transmission-type 360-degree double-shaft synchronous damping rotating shaft. The worm wheel and worm transmission-type 360-degree double-shaft synchronous damping rotating shaft comprises two shaft cores and at least two connecting plates, wherein the two shaft cores are respectively provided with a first worm and a second worm wheel or a first worm wheel and a second worm; each first worm or each second worm wheel fixedly sleeves the corresponding shaft core; the two connecting plates are positioned at the two ends of the two first worms or the two second worm wheels and sleeve the two shaft cores, so that the two shaft cores are spaced at a predetermined distance in the radial direction; the two shaft cores can be stopped in the axial direction and rotate freely in the circumferential direction relative to the two connecting plates; the first worm wheels or the second worms are positioned in an accommodating space defined by the two connecting plates and the two first worms or the two second worm wheels; the two opposite sides in the radial direction of the first worm wheels or the second worms are engaged with the two first worms or the two second worm wheels, respectively. According to the worm wheel and worm transmission-type 360-degree double-shaft synchronous damping rotating shaft, the functions of opening and closing by double-shaft synchronous 360-degree rotation and unlimited overturning can be realized; moreover, the connection at a rotation part can be perfect and smooth.
Description
Technical field
The utility model relates to a kind of Damping rotation shaft, specifically relates to a kind of Worm Wheel System formula 360 and spends Biaxial synchronous Damping rotation shaft.
Background technique
Damping rotation shaft is a kind of connecting element that mutual rotation can be provided, be mainly used between the parts and its matrix of rotation, at present, be widely used in various digital products and electronic equipment, such as notebook computer, can realize the folding function between body and the display screen of notebook computer by the rotation of Damping rotation shaft.At present, conventional rotating shaft is generally single shaft core, is located at the torsion unit on single shaft core by setting sleeve, realizes notebook computer 360 and spends folding and locating function.Also there are the folding and the locating function that realize notebook computer by twin shaft cored structure; But this twin shaft cored structure is when normally axle core rotates, another axle core blocking, it is closed that two rotating shafts are that order is opened, not perfect in operation, cannot accomplish synchronously.In order to realize synchronous rotation of 360 degree of twin shaft, also there is the double-axis hinge that adopts multiple Gear combination transmissions, the axis of multiple gears and the axis of twin shaft are in the same way, but this structure will design at least 4 gears conventionally, could arrive the function of the reverse smooth opening and closing of Biaxial synchronous, and because the gear using is more, limited the slimming development of the electronic equipments such as notebook, and installation and removal operation is comparatively loaded down with trivial details.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model proposes a kind of Worm Wheel System formula 360 and spend Biaxial synchronous Damping rotation shaft, utilize less Worm Wheel System, can realize Biaxial synchronous 360 and spend rotating folding and limitless turn over function, and can rotary part connect more perfect and smooth and easy.
The technical solution of the utility model is achieved in that
A kind of Worm Wheel System formula 360 is spent Biaxial synchronous Damping rotation shaft, comprise two axle cores and at least two connecting plates, on two described axle cores, a point appraise and select one is provided with first worm screw and second worm gear, corresponding two described the first worm screws, be provided with first worm gear, corresponding two described the second worm gears, are provided with second worm screw; While being respectively equipped with first worm screw on two described axle cores, each the first worm screw is fixed on corresponding axle core, wherein two connecting plates are positioned the two ends of two described the first worm screws, and be set on two described axle cores, make two described axle core spaced radial setpoint distances, and two described axle cores can axial retention circumferentially freely rotate relative to two described connecting plates; Described the first worm gear location is located in the containing space that two described connecting plates and two described the first worm screws surround, the radially relative both sides of described the first worm gear respectively with two described the first worm meshings; While being respectively equipped with second worm gear on two described axle cores, each the second worm gear is fixed on corresponding axle core, wherein two connecting plates are positioned the two ends of two described the second worm gears, and be set on two described axle cores, make two described axle core spaced radial setpoint distances, and two described axle cores can axial retention circumferentially freely rotate relative to two described connecting plates; Described the second worm screw location is located in the containing space that two described connecting plates and two described the second worm gears surround, and engage with two described the second worm gears respectively the both sides that described the second worm screw is radially relative.
As further improvement of the utility model, the axis of two described the first worm screws is mutually vertical with the axis of described the first worm gear.
As further improvement of the utility model, the structure that described the first worm gear location is located in the containing space that two described connecting plates and two described the first worm screws surround is: corresponding one of them connecting plate is provided with two fixed plates, two described fixed plate intervals are fixedly arranged on this connecting plate in a side of described the first worm gear, and described the first worm gear is fixedly arranged between two described the first fixed plates by rotating shaft.
As further improvement of the utility model, two described axle core one end are fixed with respectively fixed support, the other end of two described axle cores is arranged with the first pad, several butterfly shell fragments and the second pad successively, and two described connecting plates, described the first worm screw, the first pad, several butterfly shell fragments and the second pads are positioned on two axle cores by nut check.
As further improvement of the utility model, be provided with three described connecting plates, wherein two connecting plates are positioned the two ends of two described the first worm screws, and the 3rd connecting plate is located between butterfly shell fragment and described the second pad, and is provided with the 3rd pad between the 3rd connecting plate and described butterfly shell fragment.
As further improvement of the utility model, the axis of two described the second worm gears is mutually vertical with the axis of described the second worm screw.
As further improvement of the utility model, the structure that described the second worm screw location is located in the containing space that two described connecting plates and two described the second worm gears surround is: corresponding one of them connecting plate is provided with two fixed plates, two described the second fixed plate intervals are fixedly arranged on this connecting plate in a side for described the second worm screw, and described the second worm screw is fixedly arranged between two described the second fixed plates by rotating shaft.
As further improvement of the utility model, two described axle core one end are fixed with respectively fixed support, the other end of two described axle cores is arranged with the first pad, several butterfly shell fragments and the second pad successively, and two described connecting plates, described the second worm gear, the first pad, several butterfly shell fragments and the second pads are positioned on two axle cores by nut check.
As further improvement of the utility model, be provided with three described connecting plates, wherein two connecting plates are positioned the two ends of two described the second worm gears, and the 3rd connecting plate is located between butterfly shell fragment and described the second pad, and is provided with the 3rd pad between the 3rd connecting plate and described butterfly shell fragment.
The beneficial effects of the utility model are: the utility model provides a kind of Worm Wheel System formula 360 to spend Biaxial synchronous Damping rotation shaft, by at least two connecting plates, two independent axle cores are combined, connecting plate can have many groups, to keep the parallel stable of two independent axles.The containing space surrounding by two connecting plates and two the first worm screws or two the second worm gears carries out spacing to the first worm gear or the second worm screw, and the first worm gear or the second worm screw are positioned in this containing space, thereby can make the first worm gear or the second worm screw firmly stable between two the first worm screws or two the first worm gears.And in said structure, pass through the engagement driving between worm and worm wheel, can realize twin shaft Damping rotation shaft 360 degree freely overturns, to meet the different deformation form of the products such as notebook, and the drive connection between worm and worm wheel rotates when can meeting notebook LCD part and body portion, be synchronous backward folding, and can rotary part connect more perfect and smooth and easy.In addition, owing to having adopted the kind of drive of worm gear and worm screw, can avoid using more gear transmission, and not occupy thicker space, be conducive to the slimming development of the products such as notebook.As a kind of preferred implementation, the axis of two the first worm screws or two the second worm gears is mutually vertical with the axis of the first worm gear or the second worm screw.Preferably, corresponding one of them connecting plate is provided with two fixed plates, and two fixed plate intervals are fixedly arranged on this connecting plate in a side for the first worm gear or the second worm screw, and the first worm gear or the second worm screw are fixedly arranged between two fixed plates by rotating shaft.Like this, by the position-limiting action of two fixed plates, can realize the first worm gear or the stable function firmly of the second worm screw in the middle of making.Preferably, two axle core one end are fixed with respectively fixed support, for embedding in the parts and matrix that need to rotate, the other end of two axle cores is arranged with the first pad, several butterfly shell fragments and the second pad successively, and two connecting plate, the first worm screw or the second worm gear, the first pad, several butterfly shell fragments and the second pads are positioned on two axle cores by nut check.For torsion being provided and realizing the function of close-fitting location.In order to make twin shaft more steady, be provided with three connecting plates, wherein two connecting plates are positioned the two ends of two the first worm screws or the second worm gear, and the 3rd connecting plate is located between butterfly shell fragment and the second pad, and are provided with the 3rd pad between the 3rd connecting plate and butterfly shell fragment.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 decomposition texture schematic diagram;
Fig. 2 is the utility model embodiment 1 360 degree rotary state schematic diagram;
Fig. 3 is the utility model embodiment 2 decomposition texture schematic diagram;
Fig. 4 is the utility model embodiment 2 360 degree rotary state schematic diagram.
By reference to the accompanying drawings, make the following instructions:
1---axle core 2---connecting plate
3---worm screw 3 '---second worm gear
4---worm gear the 4 ' second worm screw
5---fixed plate 6---rotating shaft
7---fixed support 8---first pad
9---butterfly shell fragment 10---second pad
11---nut 12---the 3rd pad
Embodiment
As depicted in figs. 1 and 2, a kind of Worm Wheel System formula 360 is spent Biaxial synchronous Damping rotation shaft, comprises on two axle cores 1 and 2, two described axle cores of at least two connecting plates and is respectively equipped with first worm screw 3, corresponding two described the first worm screws, are provided with first worm gear 4; Each the first worm screw is fixed on corresponding axle core, wherein two connecting plates are positioned the two ends of two described the first worm screws, and be set on two described axle cores, make two described axle core spaced radial setpoint distances, and two described axle cores can axial retention circumferentially freely rotate relative to two described connecting plates; Described the first worm gear location is located in the containing space that two described connecting plates and two described the first worm screws surround, the radially relative both sides of described the first worm gear respectively with two described the first worm meshings.Like this, by least two connecting plates, two independent axle cores are combined, connecting plate can have many groups, to keep the parallel stable of two independent axles.The containing space surrounding by two connecting plates and two the first worm screws carries out spacing to the first worm gear, and the first worm gear is positioned in this containing space, thus can make the first worm gear between two the first worm screws stable live.And in said structure, pass through the engagement driving between worm and worm wheel, can realize twin shaft Damping rotation shaft 360 degree freely overturns, to meet the different deformation form of the products such as notebook, and the drive connection between worm and worm wheel rotates when can meeting notebook LCD part and body portion, be synchronous backward folding, and can rotary part connect more perfect and smooth and easy.In addition, owing to having adopted the kind of drive of worm gear and worm screw, can avoid using more gear transmission, and not occupy thicker space, be conducive to the slimming development of the products such as notebook.
Preferably, the axis of two described the first worm screws is mutually vertical with the axis of described the first worm gear.
Preferably, the structure that described the first worm gear location is located in the containing space that two described connecting plates and two described the first worm screws surround is: corresponding one of them connecting plate is provided with two fixed plates 5, two described fixed plate intervals are fixedly arranged on this connecting plate in a side of described the first worm gear, and described the first worm gear is fixedly arranged between two described the first fixed plates by rotating shaft 6.Like this, by the position-limiting action of two fixed plates, can realize the stable function firmly of the first worm gear in the middle of making.
Preferably, two described axle core one end are fixed with respectively fixed support 7, for embedding in the parts and matrix that need to rotate, the other end of two described axle cores is arranged with the first pad 8, several butterfly shell fragments 9 and the second pad 10 successively, two described connecting plates, described the first worm screw, the first pad, several butterfly shell fragments and the second pads pass through nut 11 locking and positioning on two axle cores, for torsion being provided and realizing the function of close-fitting location.
Preferably, be provided with three described connecting plates, wherein two connecting plates are positioned the two ends of two described the first worm screws, and the 3rd connecting plate is located between butterfly shell fragment and described the second pad, and is provided with the 3rd pad 12 between the 3rd connecting plate and described butterfly shell fragment.
As shown in Figure 3 and Figure 4, a kind of Worm Wheel System formula 360 is spent Biaxial synchronous Damping rotation shaft, comprises on two axle cores 1 and 2, two described axle cores of at least two connecting plates and is respectively equipped with second worm gear 3 ', corresponding two described the second worm gears, are provided with second worm screw 4 '; Each the second worm gear is fixed on corresponding axle core, wherein two connecting plates are positioned the two ends of two described the second worm gears, and be set on two described axle cores, make two described axle core spaced radial setpoint distances, and two described axle cores can axial retention circumferentially freely rotate relative to two described connecting plates; Described the second worm screw location is located in the containing space that two described connecting plates and two described the second worm gears surround, and engage with two described the second worm gears respectively the both sides that described the second worm screw is radially relative.Like this, by least two connecting plates, two independent axle cores are combined, connecting plate can have many groups, to keep the parallel stable of two independent axles.The containing space surrounding by two connecting plates and two the second worm gears carries out spacing to the second worm screw, and the second worm screw is positioned in this containing space, thus can make the second worm screw between two the first worm gears stable live.And in said structure, pass through the engagement driving between worm and worm wheel, can realize twin shaft Damping rotation shaft 360 degree freely overturns, to meet the different deformation form of the products such as notebook, and the drive connection between worm and worm wheel rotates when can meeting notebook LCD part and body portion, be synchronous backward folding, and can rotary part connect more perfect and smooth and easy.In addition, owing to having adopted the kind of drive of worm gear and worm screw, can avoid using more gear transmission, and not occupy thicker space, be conducive to the slimming development of the products such as notebook.
Preferably, the axis of two described the second worm gears is mutually vertical with the axis of described the second worm screw.
Preferably, the structure that described the second worm screw location is located in the containing space that two described connecting plates and two described the second worm gears surround is: corresponding one of them connecting plate is provided with two fixed plates 5, two described the second fixed plate intervals are fixedly arranged on this connecting plate in a side for described the second worm screw, and described the second worm screw is fixedly arranged between two described the second fixed plates by rotating shaft 6.Like this, by the position-limiting action of two fixed plates, can realize the stable function firmly of the second worm screw in the middle of making.
Preferably, two described axle core one end are fixed with respectively fixed support 7, for embedding in the parts and matrix that need to rotate, the other end of two described axle cores is arranged with successively the first pad 8, several butterfly shell fragments 9 and 10, two described connecting plates of the second pad, described the second worm gear, the first pad, several butterfly shell fragments and the second pad and passes through nut 11 locking and positioning on two axle cores.For torsion being provided and realizing the function of close-fitting location.
Preferably, be provided with three described connecting plates, wherein two connecting plates are positioned the two ends of two described the second worm gears, and the 3rd connecting plate is located between butterfly shell fragment and described the second pad, and is provided with the 3rd pad 12 between the 3rd connecting plate and described butterfly shell fragment.
In sum, the utility model connects together two axle cores by least two connecting plates, to keep the parallel stable of two independent axles.One, can realize freely overturning of 360 degree, to meet the different deformation form of the products such as notebook, they are two years old, by the cooperation of worm and worm wheel, utilize the transmission agency of worm gear and worm screw can realize the function that twin shaft rotates simultaneously, i.e. simultaneously reverse opening or closure, rotates meeting the product LCD such as notebook and components of system as directed when.Its three, when worm and worm wheel rotate simultaneously, for the worm gear in the middle of making or worm screw stable live, utilize two fixed plates and rotating shaft to realize and stablize worm gear or worm screw; Its four, use the product such as notebook of this Damping rotation shaft, what connect at rotary part is more perfect and smooth and easy.When concrete application, on two axle cores, be fixedly connected with two fixed supports, two fixed supports lock respectively in LCD and components of system as directed, two worm screws are separately fixed between two connecting plates on two axle cores, like this, while rotating a fixed support, can drive a worm screw to rotate, in the time that this worm screw is rotated, can drive middle worm gear to rotate, in the time that rotating, middle worm gear can drive another worm screw to rotate, and another worm screw can drive another fixed support to rotate while rotating, finally realize the function that between diaxon, 360 degree rotate simultaneously, referring to Fig. 1 and Fig. 2.Equally, on two axle cores, be fixedly connected with two fixed supports, two fixed supports lock respectively in LCD and components of system as directed, two worm gears are separately fixed between two connecting plates on two axle cores, like this, while rotating a fixed support, can drive a worm gear to rotate, in the time that this worm gear rotates, can drive middle worm screw to rotate, in the time that rotating, middle worm screw can drive another worm gear to rotate, and another worm gear can drive another fixed support to rotate while rotating, finally realize the function that between diaxon, 360 degree rotate simultaneously, referring to Fig. 3 and Fig. 4
Those skilled in the art is by carrying out modification or the change on various forms to above-described embodiment.But do not deviate from the situation of essence of the present utility model, within all dropping on protection domain of the present utility model.
Claims (9)
1. a Worm Wheel System formula 360 is spent Biaxial synchronous Damping rotation shaft, it is characterized in that: comprise two axle cores (1) and at least two connecting plates (2), on two described axle cores, a point appraise and select one is provided with first worm screw (3) and second worm gear (3 '), corresponding two described the first worm screws, be provided with first worm gear (4), corresponding two described the second worm gears, are provided with second worm screw (4 '); While being respectively equipped with first worm screw on two described axle cores, each the first worm screw is fixed on corresponding axle core, wherein two connecting plates are positioned the two ends of two described the first worm screws, and be set on two described axle cores, make two described axle core spaced radial setpoint distances, and two described axle cores can axial retention circumferentially freely rotate relative to two described connecting plates; Described the first worm gear location is located in the containing space that two described connecting plates and two described the first worm screws surround, the radially relative both sides of described the first worm gear respectively with two described the first worm meshings; While being respectively equipped with second worm gear on two described axle cores, each the second worm gear is fixed on corresponding axle core, wherein two connecting plates are positioned the two ends of two described the second worm gears, and be set on two described axle cores, make two described axle core spaced radial setpoint distances, and two described axle cores can axial retention circumferentially freely rotate relative to two described connecting plates; Described the second worm screw location is located in the containing space that two described connecting plates and two described the second worm gears surround, and engage with two described the second worm gears respectively the both sides that described the second worm screw is radially relative.
2. Worm Wheel System formula 360 according to claim 1 is spent Biaxial synchronous Damping rotation shaft, it is characterized in that: the axis of two described the first worm screws is mutually vertical with the axis of described the first worm gear.
3. Worm Wheel System formula 360 according to claim 2 is spent Biaxial synchronous Damping rotation shaft, it is characterized in that: the structure that described the first worm gear location is located in the containing space that two described connecting plates and two described the first worm screws surround is: corresponding one of them connecting plate is provided with two fixed plates (5), two described fixed plate intervals are fixedly arranged on this connecting plate in a side of described the first worm gear, and described the first worm gear is fixedly arranged between two described the first fixed plates by rotating shaft (6).
4. Worm Wheel System formula 360 according to claim 3 is spent Biaxial synchronous Damping rotation shaft, it is characterized in that: two described axle core one end are fixed with respectively fixed support (7), the other end of two described axle cores is arranged with the first pad (8), several butterfly shell fragments (9) and the second pad (10) successively, and two described connecting plates, described the first worm screw, the first pad, several butterfly shell fragments and the second pads pass through nut (11) locking and positioning on two axle cores.
5. Worm Wheel System formula 360 according to claim 4 is spent Biaxial synchronous Damping rotation shaft, it is characterized in that: be provided with three described connecting plates, wherein two connecting plates are positioned the two ends of two described the first worm screws, the 3rd connecting plate is located between butterfly shell fragment and described the second pad, and is provided with the 3rd pad (12) between the 3rd connecting plate and described butterfly shell fragment.
6. Worm Wheel System formula 360 according to claim 1 is spent Biaxial synchronous Damping rotation shaft, it is characterized in that: the axis of two described the second worm gears is mutually vertical with the axis of described the second worm screw.
7. Worm Wheel System formula 360 according to claim 6 is spent Biaxial synchronous Damping rotation shaft, it is characterized in that: the structure that described the second worm screw location is located in the containing space that two described connecting plates and two described the second worm gears surround is: corresponding one of them connecting plate is provided with two fixed plates (5), two described the second fixed plate intervals are fixedly arranged on this connecting plate in a side for described the second worm screw, and described the second worm screw is fixedly arranged between two described the second fixed plates by rotating shaft (6).
8. Worm Wheel System formula 360 according to claim 7 is spent Biaxial synchronous Damping rotation shaft, it is characterized in that: two described axle core one end are fixed with respectively fixed support (7), the other end of two described axle cores is arranged with the first pad (8), several butterfly shell fragments (9) and the second pad (10) successively, and two described connecting plates, described the second worm gear, the first pad, several butterfly shell fragments and the second pads pass through nut (11) locking and positioning on two axle cores.
9. Worm Wheel System formula 360 according to claim 8 is spent Biaxial synchronous Damping rotation shaft, it is characterized in that: be provided with three described connecting plates, wherein two connecting plates are positioned the two ends of two described the second worm gears, the 3rd connecting plate is located between butterfly shell fragment and described the second pad, and is provided with the 3rd pad (12) between the 3rd connecting plate and described butterfly shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027229.XU CN203685839U (en) | 2014-01-16 | 2014-01-16 | Worm wheel and worm transmission-type 360-degree double-shaft synchronous damping rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027229.XU CN203685839U (en) | 2014-01-16 | 2014-01-16 | Worm wheel and worm transmission-type 360-degree double-shaft synchronous damping rotating shaft |
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| Publication Number | Publication Date |
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| CN203685839U true CN203685839U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420027229.XU Expired - Lifetime CN203685839U (en) | 2014-01-16 | 2014-01-16 | Worm wheel and worm transmission-type 360-degree double-shaft synchronous damping rotating shaft |
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| CN (1) | CN203685839U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939457A (en) * | 2014-01-16 | 2014-07-23 | 昆山玮硕恒基电子科技有限公司 | Worm gear and worm driving type 360 DEG double-shaft synchronous damping rotating shaft |
| CN106094995A (en) * | 2016-06-22 | 2016-11-09 | 安捷资讯科技(苏州)有限公司 | A kind of 360 ° of screw rotating shafts |
| CN110703857A (en) * | 2019-09-26 | 2020-01-17 | 联想(北京)有限公司 | Rotating shaft and electronic equipment |
-
2014
- 2014-01-16 CN CN201420027229.XU patent/CN203685839U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939457A (en) * | 2014-01-16 | 2014-07-23 | 昆山玮硕恒基电子科技有限公司 | Worm gear and worm driving type 360 DEG double-shaft synchronous damping rotating shaft |
| CN106094995A (en) * | 2016-06-22 | 2016-11-09 | 安捷资讯科技(苏州)有限公司 | A kind of 360 ° of screw rotating shafts |
| CN110703857A (en) * | 2019-09-26 | 2020-01-17 | 联想(北京)有限公司 | Rotating shaft and electronic equipment |
| US11442509B2 (en) | 2019-09-26 | 2022-09-13 | Lenovo (Beijing) Co., Ltd. | Rotating shaft and electronic device |
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