90-degree overturning self-locking rotating shaft mechanism for smart watch

Abstract

The 90-degree overturning self-locking rotating shaft mechanism comprises a concave wheel rotating seat, a connecting seat, a flat shaft and a clamping spring piece, the outer wall of the flat shaft is provided with two symmetrically-arranged flat shaft flat position planes, the clamping spring piece is arranged to be of a C-shaped annular structure, the two opposite groove walls of a flat shaft moving groove of the clamping spring piece are respectively provided with a clamping spring piece flat position plane, and the clamping spring piece flat position plane is provided with a clamping spring piece flat position plane. And the flat shaft can be inserted from the position of each side edge mounting hole of the concave wheel rotating seat and is arranged in the flat shaft movable groove of the corresponding clamp spring sheet, and the flat shaft can rotate relative to the clamp spring sheet. The clamping spring piece is simple in structure and reasonable in design, the clamping spring piece can be in interference fit with the flat shaft, torque is generated through elastic deformation of the clamping spring piece, a flat position is additionally arranged on the clamping spring piece, a flat position is also arranged on the flat shaft, when the flat shaft rotates to a preset position, a self-locking effect can be generated, and positioning is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of smart watches, and more specifically, to a 90° flip self-locking rotating shaft mechanism for a smart watch. Background Art

[0002] With the development of technology, smart watches can perform more and more functions. For example, in the past, they could only be used to tell time, but now they can also be connected to the Internet through smartphones or home networks to display incoming call information, Twitter and news feeds, weather information, etc. Therefore, users have higher and higher requirements for the function usage of smart watches.

[0003] Among them, the interior of existing smart watches generally has a rotating shaft mechanism (also known as a rotating mechanism or a flipping mechanism). For example, a detachable smart host structure and a smart watch with a patent application number of CN202310176695.8 have a flipping member including two rotating shafts, two coil spring shrapnel, and two flip rotating shafts. The two coil springs are respectively press-fitted on the corresponding rotating shafts to provide damping for the flipping of the host body, and its operation is convenient and easy to use. However, this flipping mechanism does not have a self-locking function when rotating 90° in the same space. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and provide a 90° flip self-locking rotating shaft mechanism for a smart watch, which can produce a self-locking effect and is convenient for positioning.

[0005] To achieve the above purpose, the utility model provides a 90° flip self-locking rotating shaft mechanism for a smart watch, including a cam rotating seat, a connecting seat, and a plurality of snap spring pieces. One end of the connecting seat is provided with a flat shaft, and the outer wall of the flat shaft is provided with two symmetrically arranged flat shaft flat position planes. The outer wall part of the flat shaft between the two flat shaft flat position planes is respectively set as an arc. The snap spring piece is set as a C-shaped ring structure. One side part of the outer wall of the snap spring piece is provided with a notch, and the other side part of the outer wall of the snap spring piece is provided with a protruding limiting convex body. The middle part of the snap spring piece is provided with a flat shaft moving groove communicated with the notch. The two opposite groove walls of the flat shaft moving groove of the snap spring piece are respectively provided with snap spring piece flat position planes located on both sides of the notch. One side or both sides of the cam rotating seat are respectively provided with side mounting holes and limiting grooves communicated with the side mounting holes. The snap spring pieces are arranged side by side in each side mounting hole of the cam rotating seat, and the limiting convex bodies of the snap spring pieces are clamped in the limiting grooves of the cam rotating seat. The flat shaft is inserted from the position of each side mounting hole of the cam rotating seat and placed in the flat shaft moving groove of the corresponding snap spring piece, and the flat shaft can rotate relative to the snap spring piece.

[0006] Preferably, the mechanism further includes an axis, a first spring, a spring cover and an anti - detachment gasket. One end of the axis can pass through the central through - hole of the cam rotating seat, the central through - holes of the first spring and the spring cover and be fixedly connected with the anti - detachment gasket. The spring cover covers the outside of the first spring.

[0007] Preferably, the mechanism further includes a cam cover seat, a first movable clamping block, a second movable clamping block, a second spring and a bottom cover plate. The first movable clamping block and the second movable clamping block are both installed inside the cam cover seat. The outer ends of the first movable clamping block and the second movable clamping block are respectively provided with clamping positions. The clamping positions of the first movable clamping block and the second movable clamping block can pass through the side through - holes of the cam cover seat and extend to the outside of the cam cover seat. The second spring is installed between the first movable clamping block and the second movable clamping block. The other end of the axis passes through the central through - hole of the cam cover seat and extends into the cam cover seat. The other end of the axis is inserted between the first movable clamping block and the second movable clamping block. The other end of the axis is provided with a first eccentric cam and a second eccentric cam connected in sequence. The bottom cover plate is installed at the bottom of the cam cover seat.

[0008] Preferably, the connecting seat is arranged in an L - shape and is provided with a connecting seat through - hole.

[0009] Preferably, the cam rotating seat is arranged in a concave - shaped structure.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] The structure of the present utility model is simple and reasonably designed. The circlip can interfere with and cooperate with the flat shaft, generate torque by the elastic deformation of the circlip, and the circlip increases the flat position. The flat shaft is also provided with a flat position. When the flat shaft rotates to a preset position, a self - locking effect can be generated, which is convenient for positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following - described drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0013] Figure 1 is a schematic structural diagram of a 90° flip self - locking rotating shaft mechanism for a smart watch provided by an embodiment of the present utility model;

[0014] Figure 2 is an exploded view of a 90° flip self - locking rotating shaft mechanism for a smart watch provided by an embodiment of the present utility model;

[0015] Figure 3 is a schematic structural view of the cam rotating seat provided by an embodiment of the present utility model;

[0016] Figure 4 is a schematic structural view of the axis provided by an embodiment of the present utility model;

[0017] Figure 5 is a schematic structural view of the connecting seat and the flat shaft provided by an embodiment of the present utility model;

[0018] Figure 6 is a schematic structural view of the snap spring piece provided by an embodiment of the present utility model;

[0019] Figure 7 is a state diagram of the flat shaft and the snap spring piece in the self-locking state 1 provided by an embodiment of the present utility model;

[0020] Figure 8 is a state diagram of the flat shaft and the snap spring piece in the self-locking state 2 provided by an embodiment of the present utility model;

[0021] Figure 9 is a state diagram of the flat shaft and the snap spring piece in the hovering state provided by an embodiment of the present utility model. Specific embodiments

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figure 1 and Figure 2 , an embodiment of the present utility model provides a 90° flip self-locking rotating shaft mechanism for a smart watch, including components such as a cam rotating seat 1, a connecting seat 2, a snap spring piece 3, a flat shaft 4, an axis 5, a first spring 6, a spring cover 7, an anti-detachment gasket 8, a cam cover seat 9, a first movable clamping block 13, a second movable clamping block 14, a second spring 15, and a bottom cover plate 16. Each component of this embodiment will be described in detail below with reference to the accompanying drawings.

[0024] As Figure 1 , Figure 2 and Figure 3 shown, the cam rotating seat 1 can be set in a concave-shaped structure, and side mounting holes 11 and limiting grooves 12 communicating with the side mounting holes 11 are respectively provided on both sides of the cam rotating seat 1.

[0025] AsFigure 1 and Figure 2 As shown, one end of the shaft center 5 can pass through the central through - hole of the cam rotating seat 1, the central through - holes of the first spring 6 and the spring cover 7 and is fixedly connected with the anti - detachment gasket 8. The spring cover 7 covers the outside of the first spring 6. The shaft center 5 can connect the cam cover seat 9, the cam rotating seat, the first spring 6 and the spring cover 7 in series, and is riveted in the post - process by the anti - detachment gasket 8 to achieve the anti - detachment function.

[0026] As Figure 1 and Figure 2 As shown, the first movable clamping block 13 and the second movable clamping block 14 are both movably installed inside the cam cover seat 9. The outer ends of the first movable clamping block 13 and the second movable clamping block 14 are respectively provided with clamping positions 131. The clamping positions 131 of the first movable clamping block 13 and the second movable clamping block 14 can pass through the side through - holes of the cam cover seat 9 and extend to the outside of the cam cover seat 9. The second spring 15 is installed between the first movable clamping block 13 and the second movable clamping block 14. The other end of the shaft center 5 passes through the central through - hole of the cam cover seat 9 and extends into the inside of the cam cover seat 9. The other end of the shaft center 5 is inserted between the first movable clamping block 13 and the second movable clamping block 14. The bottom cover plate 16 is installed at the bottom of the cam cover seat 9.

[0027] As Figure 4 As shown, the other end of the shaft center 5 is also provided with a first eccentric cam 51 and a second eccentric cam 52 connected in sequence. The eccentric directions of the first eccentric cam 51 and the second eccentric cam 52 are opposite. When the shaft center 5 rotates, the first eccentric cam 51 can abut against the inner end of the first movable clamping block 13, and the second eccentric cam 52 can abut against the inner end of the second movable clamping block 14, thereby restricting the first movable clamping block 13 and the second movable clamping block 14 from contracting inward for clamping. When the shaft center 5 continues to rotate 180 degrees, the first eccentric cam 51 can have a distance from the inner end of the first movable clamping block 13, and the second eccentric cam 52 can have a distance from the inner end of the second movable clamping block 14. At this time, the first movable clamping block 13 and the second movable clamping block 14 can contract inward for clamping.

[0028] As Figure 2 and Figure 5 As shown, the connecting seat 2 can preferably be set in an L - shape, and the connecting seat 2 is provided with a connecting seat through - hole 21. The flat shaft 4 is connected to one end of the connecting seat 2. The outer wall of the flat shaft 4 is provided with two symmetrically arranged flat shaft flat - position planes 41, and the outer wall parts of the flat shaft 4 between the two flat shaft flat - position planes 41 are respectively set in an arc shape.

[0029] As Figure 2 、 Figure 3 and Figure 6As shown, the circlip 3 can be set as a C-shaped ring structure. A notch 31 is formed in one side part of the outer wall of the circlip 3. A limiting convex body 32 protruding outwards is provided on the other side part of the outer wall of the circlip 3. A flat shaft moving groove 33 communicating with the notch 31 is provided in the middle of the circlip 3. Flat circlip planes 34 located on both sides of the notch 31 are respectively provided on two opposite groove walls of the flat shaft moving groove 33 of the circlip 3. The circlips 3 are arranged side by side in each side mounting hole 11 of the cam rotating seat 1, and the limiting convex bodies 32 of the circlips 3 are clamped in the limiting grooves 12 of the cam rotating seat 1.

[0030] During specific installation, the flat shaft 4 can be inserted from the position of each side mounting hole 11 of the cam rotating seat 1 and placed in the flat shaft moving groove 33 of the corresponding circlip 3, and the flat shaft 4 can rotate relative to the circlip 3.

[0031] During operation, the circlip 3 can interfere and cooperate with the flat shaft 4 to generate torque by the elastic deformation of the circlip 3. Since the circlip 3 has an increased flat position (i.e., the flat circlip plane 34), a flat position (i.e., the flat shaft flat plane 41) is also provided on the flat shaft 4. When the flat shaft 4 rotates to a position such as Figure 7 or Figure 8 , it can produce a self-locking effect. When the flat shaft 4 rotates to a position such as Figure 9 , it can produce a hovering effect. When the flat position of the flat shaft 4 coincides with the flat position of the circlip 3, the circlip 3 does not produce elastic deformation.

[0032] The above embodiments are the preferred embodiments of the present invention, but the embodiments of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention shall be equivalent replacement methods and are all included in the protection scope of the present invention.

Claims

1. A 90° flip self-locking rotating shaft mechanism for a smart watch, characterized in that: It includes a cam rotating seat, a connecting seat and several circlips. One end of the connecting seat is provided with a flat shaft. The outer wall of the flat shaft is provided with two symmetrically arranged flat shaft flat position planes, and the outer wall part of the flat shaft located between the two flat shaft flat position planes is respectively set as an arc. The circlip is set as a C-shaped ring structure. A notch is formed in one side part of the outer wall of the circlip, and a limiting convex body protruding outwards is provided on the other side part of the outer wall of the circlip. A flat shaft moving groove communicating with the notch is arranged in the middle of the circlip. Flat shaft flat position planes located on both sides of the notch are respectively arranged on two opposite groove walls of the flat shaft moving groove of the circlip. Side mounting holes and limiting grooves communicating with the side mounting holes are respectively arranged on one side or both sides of the cam rotating seat. The circlips are arranged side by side in each side mounting hole of the cam rotating seat, and the limiting convex bodies of the circlips are clamped in the limiting grooves of the cam rotating seat. The flat shaft is inserted from the position of each side mounting hole of the cam rotating seat and placed in the flat shaft moving groove of the corresponding circlip, and the flat shaft can rotate relative to the circlip.

2. The 90° flip self-locking rotating shaft mechanism for a smart watch according to claim 1, wherein: It further includes an axis, a first spring, a spring cover and an anti-drop gasket. One end of the axis can pass through the middle through hole of the cam rotating seat, the middle through hole of the first spring and the middle through hole of the spring cover and be fixedly connected with the anti-drop gasket, and the spring cover covers the outside of the first spring.

3. A 90° flip self-locking rotating shaft mechanism for a smart watch according to claim 2, characterized in that: It further includes a cam cover seat, a first movable clamping block, a second movable clamping block, a second spring and a bottom cover plate. The first movable clamping block and the second movable clamping block are both installed inside the cam cover seat. Clamping positions are respectively arranged at the outer ends of the first movable clamping block and the second movable clamping block. The clamping positions of the first movable clamping block and the second movable clamping block can both pass through the side through holes of the cam cover seat and extend to the outside of the cam cover seat. The second spring is installed between the first movable clamping block and the second movable clamping block. The other end of the axis passes through the central through hole of the cam cover seat and extends into the inside of the cam cover seat. The other end of the axis is inserted between the first movable clamping block and the second movable clamping block. The other end of the axis is provided with a first eccentric cam and a second eccentric cam connected in sequence. The bottom cover plate is installed at the bottom of the cam cover seat.

4. The 90° flip self-locking rotating shaft mechanism for a smart watch according to claim 1, wherein: The connecting seat is set as an L shape, and a connecting seat through hole is arranged on the connecting seat.

5. The 90° flip self-locking rotating shaft mechanism for a smart watch according to claim 1, wherein: The cam rotating seat is set as a concave-shaped structure.

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