TWM596886U - Continuous radial shaft - Google Patents

Abstract

This creation relates to a continuous radial rotation shaft, which at least includes a first end mandrel, a second end mandrel and at least one intermediate shaft group parallel to each other, wherein the intermediate shaft group has a first shaft that is parallel to prevent relative rotation A central mandrel and a second central mandrel, a transmission mechanism and a bridge are respectively arranged between the adjacent first end mandrel and the first central mandrel and the adjacent second end mandrel and the second central mandrel Group, so that each mandrel can be synchronously connected through the transmission mechanism, and the bridge group is provided with a bridge spring group at both ends of the transmission mechanism, so that the bridge spring group can generate axial friction and resistance against the two ends of the transmission mechanism. The adjacent mandrels can be opened and closed at any angle, thereby, it can be applied to electronic devices that require more angle changes and folding options.

Description

Continuous radial shaft

This creation belongs to the technical field of the rotating shaft of an electronic device, specifically refers to a continuous radial rotating shaft, which can provide the electronic device with a continuous radial change angle, which can be adjusted between a plane and a specific curvature.

Press, the rotating shaft is necessary to connect the main parts of the product, which is used to withstand bending moments and torques in the rotating work, especially in notebook computers and folding tablet computers, so that the display screen and the main body All need to use a rotating shaft to achieve opening and closing. In recent years, the development of electronic components has become more and more miniaturized, and the development of flexible organic light-emitting diode displays (OLED) has made the display further have the characteristics of light weight, flexibility, flexibility and impact resistance, and The smart phone has gradually developed a folding type. Since the rotating shafts for electronic parts are usually used on parallel double mandrels, several connecting springs are used to provide friction and resistance when rotating, so that the folding smart phone can be combined in the longitudinal or horizontal manner in the middle section The display is folded together, and it can be opened and closed at any angle.

However, this design restricts the development of foldable smartphones, and its bending flexibility is limited. It only produces the folding function of two opposite surfaces, and cannot make the display screen produce a curved screen effect, such as on a flat surface and a curved surface. It allows the user to adjust the curvature of the curved surface according to the needs, which affects the user's viewing effect, and cannot meet the palm curve of the user when holding it, which makes it unable to effectively hold and cause the problem of accidental slipping.

In other words, the hinges used to fold the existing electronic devices can only provide the folding of the two sides. Not only can they not provide the curved surface change of the display screen, but there is a lot of room for improvement. This is also the subject of this creation.

The reason is that the creator is in-depth discussion of the problems faced by the existing shaft, and through years of research and development and manufacturing experience in related industries, through continuous efforts to improve and trial work, finally successfully developed a continuous radial shaft In order to overcome the inconvenience and trouble caused by the fact that the existing rotating shaft cannot have more angle changes.

Therefore, the main purpose of this creation is to provide a continuous radial shaft, so that you can choose to change the angle in different parts, so that its curve changes more diversified.

In addition, the second main purpose of this creation is to provide a continuous radial shaft, which can provide electronic devices with more angle change options to meet the user's requirements for different curves such as display screens.

Based on this, the main purpose of this creation is to achieve the aforementioned objectives and effects through the following technical means: at least a first end mandrel, a second end mandrel, and at least one intermediate shaft group parallel to each other are included. The intermediate shaft group has a first central mandrel and a second central mandrel that are parallel to each other and do not rotate relative to each other, the adjacent first end mandrel and first central mandrel and the adjacent second end mandrel and second A transmission mechanism and a bridge group are respectively arranged between the core shafts, so that each of the core shafts can be synchronously connected through the transmission mechanism, and the bridge group is provided with a bridge spring group at both ends of the transmission mechanism, so that the bridge spring group Axial frictional force and pressing force can be generated at both ends of the transmission mechanism, so that each adjacent mandrel can achieve opening and closing effects at any angle.

In this way, through the specific implementation of the above technical means, the creation can use the design of the bridge group and the transmission mechanism between the first and second end mandrels and the intermediate shaft group, and cooperate with the bridge spring group between the bridge groups, so that The rotating shaft can be selected to change the angle in different parts according to requirements, so that its curve change is more diversified, and the bridging spring group can use the characteristics of axial friction and pressing force on the transmission mechanism to make the rotating shaft The opening and closing effect that can be obtained and limited to any angle can be provided to electronic devices that need more angle changes and folding options to meet their needs, thereby increasing the added value of the product and improving its economic efficiency. .

In order to further achieve the above technical objectives and achieve the above technical effects, the present utility model is specifically realized by the following technical solutions:

Further, the first and second end mandrels and the first and second middle mandrels of the intermediate shaft group are respectively formed with a buckle groove at each end, which can be used to buckle a fastener to limit the bridge group And transmission mechanism.

Further, a positioning group is provided between the first and second middle mandrels of the intermediate shaft group, and the positioning group is provided with a positioning plate at each end of the first and second middle mandrels, and each of the positioning plates is respectively Non-circular positioning holes for the first and second central mandrels are formed, and positioning portions corresponding to the positioning holes are formed on the first and second central mandrels to make the first and second central mandrels No relative rotation and keep parallel.

Further, the bridging spring group of the bridging group is formed by superimposing a plurality of dish springs of opposite shapes, and the two ends of each bridging spring group are formed with shaft grooves corresponding to adjacent mandrels on both sides for Generate axial elastic force that can compress the transmission mechanism.

Further, the bridging spring group of the bridging group is formed by a plurality of dish springs of corresponding shapes overlapping each other, and two ends of the bridging spring group are respectively formed with corresponding first and second end cores on two sides The shaft and the first and second core shafts penetrate the shaft groove of the pivot, so that each of the bridging spring sets can be separately arranged at both ends of the transmission mechanism, so as to generate axial friction and pressing force.

Further, the bridge group is provided with a bridge plate on the outside of the bridge spring group different from the transmission mechanism, and two ends of each bridge plate are respectively formed with adjacent first and second end mandrels and first, Second, the mandrel passes through the pivot hole.

Further, the bridge group is provided with bushes of different widths at both ends of the first and second end mandrels according to the assembled gap, so as to overcome the assembled gap.

Further, the continuous radial shaft has two or more sets of intermediate shafts, and the first and second core shafts are located on the free sides of the first and last groups of intermediate shafts, and A bridge group and a transmission mechanism are also provided between adjacent intermediate shaft groups for connection, so that adjacent intermediate shaft groups can also be linked through the transmission mechanism.

Further, there is a structure capable of limiting the relative rotation range between the bridge groups, which is respectively provided with a stopper on the intermediate shaft group, and at least one limit protrusion of the relative stopper is formed on the bridge group , In order to limit the rotation range of the first and second end mandrels relative to the intermediate shaft group.

Further, the transmission mechanism includes an active helical gear provided on the first and second end mandrels and the adjacent first and second middle mandrels, and on the first and second end mandrels and the adjacent first, A driven helical gear meshed with the driving helical gears on both sides is arranged between the two central mandrels, so that each of the first and second mandrels and the first and second central mandrels of the adjacent intermediate shaft group can be subjected to the driving helical The gear interacts with the driven helical gear.

Further, the axis of the driven helical gear of the transmission mechanism is perpendicular to the axis of the driving helical gears on both sides, and the two ends of the driven helical gear are pivotally arranged on a spanning core shaft at the first and second ends, respectively On the bracket between the adjacent first and second mandrels.

Further, the driving helical gears of the transmission mechanism are integrally formed on the first and second end mandrels and the first and second middle mandrels, respectively.

In order to enable your reviewer to further understand the composition, characteristics and other purposes of this creation, the following are the preferred embodiments of this creation, and the detailed descriptions in conjunction with the drawings are as follows, while allowing those familiar with the technical field to implement them.

This creation is a continuous radial shaft. The accompanying drawings illustrate the specific embodiment of this creation and its components. All references to front and rear, left and right, top and bottom, upper and lower, and horizontal and vertical references, It is only for the convenience of description, not to limit this creation, nor to limit its components to any position or spatial direction. The dimensions specified in the drawings and specifications can be changed according to the design and requirements of the specific embodiments of the creation without departing from the scope of the patent application of the creation.

For the detailed structure of the continuous radial shaft of this creation, please refer to Figure 1, which consists of a first end mandrel (11), a second end mandrel (12), and at least one intermediate shaft group (20 ), at least two bridge groups (30) and at least two transmission mechanisms (50), so that the first and second core shafts (11, 12) can pass through the transmission mechanism between the adjacent intermediate shaft group (20) ( 50) To interlock with each other and change the angle separately, and can achieve the effect of opening and closing at any angle.

For the detailed structure of the preferred embodiment of this creation, please refer further to those disclosed in Figs. 1 and 2. The above-mentioned first and second end mandrels (11, 12) are located on two of the intermediate shaft groups (20). Side and parallel to each other, and two ends of the first and second end mandrels (11, 12) are further formed with a buckle groove (112, 122), and the first and second end mandrels (11, 12) The buckle grooves (112, 122) at both ends can be used to buckle a fastener (115, 125) to limit the bridging group (30) and the bridging group (30) on the first and second end mandrels (11, 12) and Transmission mechanism (50).

The above-mentioned intermediate shaft group (20) has two first core shafts (21) parallel to the first and second end core shafts (11, 12) on both sides and a second core shaft (22). A buckle groove (212, 222) is further formed at both ends of the first and second middle mandrels (21, 22), and the buckle grooves (212, 222) A fastener (215, 225) can be buckled separately to limit the bridging group (30) and the transmission mechanism (50) on the first and second mandrels (21, 22), moreover A positioning group (25) is provided between the first and second middle mandrels (21, 22) of the intermediate shaft group (20), so that the first and second middle mandrels (21, 22) can be kept parallel, and the positioning The group (25) is provided with a positioning plate (26) at both ends of the first and second central mandrels (21, 22), and each positioning plate (26) respectively has the first and second central mandrels (21) , 22) Non-circular positioning holes (261), and the first and second mandrels (21, 22) are formed with positioning portions (211, 221) corresponding to the positioning holes (261), The first and second mandrel shafts (21, 22) are not rotated and kept parallel.

In addition, the above-mentioned transmission mechanism (50) is divided between the first and second end mandrels (11, 12) and the first and second middle mandrels (21, 22) of the adjacent intermediate shaft group (20) for The intermediate shaft group (20) can be connected with the adjacent first and second end mandrels (11, 12), and each transmission mechanism (50) is connected to the first and second end mandrels (11, 12) and The middle sections of the adjacent first and second central mandrels (21, 22) respectively have a corresponding driving helical gear (51, 52), and each of the driving helical gears (51, 52) and the first and second end mandrels (11, 12) and the first and second middle mandrels (21, 22) can be an integral structure or a separate structure, and the transmission mechanism (50) is on the adjacent first end mandrel (11) A bracket (55) is arranged across the first central mandrel (21) and the second end mandrel (12) and the second central mandrel (22), and the upper and lower edges of the bracket (55) respectively project The opposite projecting piece (56) is provided with a driven helical gear (58) whose axis is perpendicular to the axis of the adjacent driving helical gear (51, 52) between the upper and lower projecting pieces (56), and The driven helical gear (58) of each transmission mechanism (50) can mesh with the driving helical gears (51, 52) adjacent to both sides, and each of the first and second end mandrels (11, 12) can penetrate The transmission mechanism (50) interlocks with the first and second core shafts (21, 22) of the adjacent intermediate shaft group (20) [as shown in Figures 3, 4 (A) and 4 (B)].

In addition, the above-mentioned bridging group (30) is arranged between the first and second end mandrels (11, 12) and the adjacent intermediate shaft group (20) and the two are parallel to each other, and each of the bridging group (30) 30) It is composed of two bridging spring groups (31) and two bridging plates (33). Each bridging spring group (31) is composed of a plurality of dish-shaped reeds (310) corresponding to a corresponding shape, and each A shaft groove (32) is formed at two ends of the bridging spring set (31) respectively corresponding to the adjacent first and second end mandrels (11, 12) and the first and second middle mandrels (21, 22). , So that each of the bridging spring sets (31) can be set at the two ends of the driving helical gears (51, 52) of the transmission mechanism (50) to push the transmission mechanism (50) relative to each other to produce an axial direction The frictional force and the pressing force make each of the first and second end mandrels (11, 12) can achieve the effect of opening and closing at any angle with the adjacent intermediate shaft group (20), and each of the bridge plates (33) is The different outer sides of the bridging spring group (31) are divided, and two ends of each bridging plate (33) are respectively formed with adjacent first and second end mandrels (11, 12) and first and second middle mandrels (21, 22) through the pivot shaft hole (34), so that each of the first and second end mandrels (11, 12) can be relative to the first and second middle mandrels (21, 22), each of the bridging group (30) is provided with a bushing (35) of different width at the two ends of the first and second end mandrels (11, 12) according to the gap after assembly, so as to overcome the gap after assembly To ensure the smoothness of its rotation. According to some examples, each intermediate shaft group (20) and the bridge group (30) have a structure capable of limiting the relative rotation range, which is provided with a block on the positioning plate (26) of the intermediate shaft group (20) A block (28), and at least one limiting protrusion (38) opposite to the stopper (28) is formed around the shaft hole (34) of the bridge plate (33) of the bridge group (30) for limiting the first, The rotation range of the two-end mandrel (11, 12).

In this way, a continuous radial shaft with a variety of curve changes and effective shortening of the folded volume is formed.

When this work is actually used, it is shown in Figures 1, 3 and 4 (A), 4 (B). It can be used with the intermediate shaft group (20) as the positioning point. When the first and second end mandrels (11, 12) are toggled, the first and second middle mandrels (21, 12) are received by the first and second end mandrels (11, 12) and the adjacent intermediate shaft group (20) 22) The action of the transmission mechanism (50) enables the driving helical gear (51) on the first and second end mandrels (11, 12) to be synchronized with the driven helical gear (58) and the meshing driven helical gear (58) and The driving helical gears (52) of the adjacent first and second middle mandrels (21, 22), so that the first and second end mandrels (11, 12) can change their included angle with respect to the intermediate shaft group (20), For example, as shown in Figure 3, Figure 4(A), and Figure 4(B), the two ends of the rotating shaft are changed from horizontal to approximately reverse, with an angle of about 30 degrees each. When applied to the display screen, it can produce a better viewing surface, or it is convenient for you to grasp . At the same time, at both ends of the transmission mechanism (50) between the first and second ends of the rotating shaft (11, 12) and the intermediate shaft group (20), a bridging spring group (31) of a bridging group (30) is provided for Both ends push the transmission mechanism (50) relatively, so that the transmission mechanism (50) can generate axial friction and pressing force, so that each of the first and second end mandrels (11, 12) and the adjacent middle The opening and closing effect can be obtained between the axis groups (20) and is limited to any angle.

Furthermore, according to some embodiments, as shown in FIG. 5, the continuous radial shaft of the present invention may have two or more sets of intermediate shaft groups (20), the aforementioned first and second end mandrels (11, 12) Located on the free side of the first group and the last group of intermediate shaft groups (20), and between the adjacent intermediate shaft groups (20), there are also a bridging group (30) and a transmission mechanism ( 50) For connection, the assembly method is set on the first and second core shafts (11, 12) and the first and second cores of the intermediate shaft group (20) with the aforementioned bridge group (30) and transmission mechanism (50) The shafts (21, 22) are the same, so that the adjacent intermediate shaft group (20) can be linked through the transmission mechanism (50).

It can be seen from the above description that the design of the continuous radial rotation shaft in this creation uses the design of the bridge group (30) and the transmission mechanism (50) between the first and second end mandrels (11, 12) and the intermediate shaft group (20) , And cooperate with the bridging spring group (31) between the bridging group (30), so that the rotating shaft can choose to change the angle in different parts according to the demand, so that the curve change is more diversified, and the bridging spring group (31 ) It can produce axial frictional force and resistance force to the transmission mechanism (50), so that the rotating shaft can obtain the opening and closing effect at any angle, which can provide more angle changes and Fold the selected electronic device to meet its needs.

In summary, it can be understood that this creation is a new creation with excellent creativity. In addition to effectively solving the problems faced by the learners, the efficiency is greatly improved, and the same or similar product creations have not been seen in the same technical field. Or public use, and at the same time have the improvement of efficacy, so this creation has met the requirements of the "novelty" and "progressiveness" of the new type of patent, but the application for the new type of patent is submitted in accordance with the law.

11: first end mandrel

112: Buckle

115: Fastener

12: second end mandrel

122: Buckle

125: fastener

20: intermediate shaft group

21: The first mandrel

211: Positioning Department

212: Buckle

215: Fastener

22: The second mandrel

221: Positioning Department

222: Buckle

225: Fastener

25: Positioning group

26: Positioning plate

261: Positioning hole

28: Stop

30: Bridge group

31: Bridge spring set

310: dish-shaped reed

32: shaft groove

33: Bridge plate

34: Shaft hole

35: Bush

38: limit bump

50: Transmission mechanism

51: Active helical gear

52: Active helical gear

55: bracket

56: stretch

58: driven helical gear

Figure 1: A schematic view of the appearance of a preferred embodiment of the continuous radial shaft of the present creation.

Figure 2: A three-dimensional exploded schematic view of the preferred embodiment of the continuous radial shaft of the author, to illustrate the appearance and relative relationship of its main components.

Fig. 3: A side cross-sectional view of the preferred embodiment of the continuous radial shaft of the author in Fig. 1 at 3-3.

Fig. 4: A schematic view of the use state of the preferred embodiment of the continuous radial shaft of the present invention after the curvature adjustment, in which (A) is a perspective view and (B) is a cross-sectional view.

Fig. 5: A schematic perspective view of another preferred embodiment of the continuous radial shaft of the present invention.

11: first end mandrel

12: second end mandrel

20: intermediate shaft group

21: The first mandrel

22: The second mandrel

25: Positioning group

26: Positioning plate

30: Bridge group

31: Bridge spring set

33: Bridge plate

35: Bush

50: Transmission mechanism

51: Active helical gear

52: Active helical gear

55: bracket

58: driven helical gear

Claims (12)

A continuous radial shaft, characterized in that it includes at least a first end mandrel parallel to each other, a second end mandrel and at least one intermediate shaft group, wherein the intermediate shaft group has a first parallel to prevent relative rotation A central mandrel and a second central mandrel, a transmission mechanism and a bridge are respectively arranged between the adjacent first end mandrel and the first central mandrel and the adjacent second end mandrel and the second central mandrel Group, so that each mandrel can be synchronously connected through the transmission mechanism, and the bridge group is provided with a bridge spring group at both ends of the transmission mechanism, so that the bridge spring group can generate axial friction force relative to the two ends of the transmission mechanism And the pressing force makes each adjacent mandrel open and close at any angle. The continuous radial shaft as described in item 1 of the patent application scope, wherein the first and second end mandrels and the first and second middle mandrels of the intermediate shaft group are further formed with a buckle groove at both ends, for A buckle is separately set to limit the bridge group and the transmission mechanism. The continuous radial shaft as described in item 1 of the patent application scope, wherein a positioning group is provided between the first and second middle mandrels of the intermediate shaft group, and the positioning group is located between the first and second middle mandrels A positioning plate is provided at each end, and each of the positioning plates respectively has non-circular positioning holes for the first and second mandrels to pass through, and corresponding positioning holes are formed on the first and second mandrels The positioning portion of the first and second mandrel shafts does not cause relative rotation and remains parallel. The continuous radial shaft as described in item 1 of the patent application scope, wherein the bridging spring group of the bridging group is formed by superimposing a plurality of dish springs of opposite shapes, and the bridging spring groups are formed with corresponding ends at both ends The axial grooves of the adjacent mandrels on both sides are used to generate axial elastic force that can compress the transmission mechanism. The continuous radial shaft as described in item 1 of the patent application scope, wherein the bridging spring group of the bridging group is formed by a plurality of dish-shaped reeds of corresponding shapes overlapping each other, and each end of the bridging spring group is formed respectively There is a shaft groove through which the first and second end mandrels and the first and second middle mandrels pass through on the corresponding two sides, so that each of the bridging spring sets can be divided at both ends of the transmission mechanism to generate axial friction And tightness. The continuous radial shaft as described in item 1 of the patent application scope, wherein the bridge group is provided with a bridge plate on the outside of the bridge spring group different from the transmission mechanism, and two ends of each of the bridge plate form a phase supply The shaft hole adjacent to the first and second end mandrels and the first and second middle mandrels pivots. The continuous radial shaft as described in item 1 of the patent application scope, wherein the bridging group is provided with bushes of different widths at both ends of the first and second end mandrels according to the assembled gap, so as to overcome the assembly Of the gap. The continuous radial shaft as described in item 1 of the patent application scope, wherein the continuous radial shaft has two or more intermediate shaft groups, and the first and second end mandrels are divided into the first group And the free side of the last group of intermediate shaft groups, and a bridge group and a transmission mechanism are also provided between adjacent intermediate shaft groups for connection, so that adjacent intermediate shaft groups can also be linked through the transmission mechanism. The continuous radial shaft as described in any one of the items 1 to 8 of the patent application scope, wherein the bridge group has a structure that can limit the relative rotation range, which is provided with a stopper on the intermediate shaft group, Moreover, at least one limiting protrusion of the opposite stopper is formed on the bridge group, so as to limit the rotation range of the first and second end mandrels relative to the intermediate shaft group. The continuous radial shaft as described in any one of items 1 to 8 of the patent application scope, wherein the transmission mechanism includes an active device provided on the first and second end mandrels and the adjacent first and second middle mandrels A helical gear, and a driven helical gear meshed with the active helical gears on both sides is provided between the first and second end mandrels and the adjacent first and second middle mandrels, so that each of the first and second end mandrels and The first and second core shafts of the adjacent intermediate shaft groups can be interlocked by the driving helical gear and the driven helical gear. The continuous radial shaft as described in item 10 of the patent application scope, wherein the axis of the driven helical gear of the transmission mechanism is perpendicular to the axis of the driving helical gear on both sides, and the driven helical gear is pivoted at both ends On a bracket spanning between the first and second end mandrels and the adjacent first and second middle mandrels. The continuous radial shaft as described in item 10 of the patent application scope, wherein the driving helical gears of the transmission mechanism are integrally formed on the first and second end mandrels and the first and second middle mandrels, respectively.

Images