CN114321147A - Disc spring torsion supply mechanism - Google Patents

Abstract

The utility model provides a dish spring supplies turns round mechanism, including first base, first fixed block and the first retaining member of setting on first base, be formed with between first fixed block and the first base with left rotor arm matched with first arc slide and with right rotor arm matched with second arc slide, first retaining member passes a plurality of first dish springs of stacking and is connected first fixed block and first base. This first retaining member of this disclosure passes a plurality of first dish springs of stacking and is connected first fixed block and first base, make first fixed block elasticity press on left rotor arm and right rotor arm, can provide the moment of torsion etc. to the rotation of left rotor arm and right rotor arm, guarantee pivoted stability, reliability etc., the operational feeling, comfort level etc. are better, quantity or the pressurized degree of adjusting first dish spring etc. through increasing first dish spring, be convenient for adjust the size of moment of torsion, be convenient for be applied to the cell-phone better, various interior folding screen mobile terminal such as panel computer.

Description

Disc spring torsion supply mechanism

Technical Field

The present disclosure relates to flexible screen electronic devices, and more particularly, to a disc spring torsion mechanism for a foldable flexible screen mobile terminal.

Background

With the continuous progress of society and the rapid development of science and technology, electronic products are updated very rapidly, the use requirements of users on the electronic products are higher and higher, so that the functions of the electronic products are more and more diversified, and many new electronic products come up at the same time, for example, mobile terminals such as smart phones and tablet computers with flexible screens become current heat points and new trends. For a mobile terminal, the flexible screen is an ideal and emerging screen, the mobile terminal is folded when being carried, and is unfolded to obtain double display when being used, so that the requirement on large-screen display is met, and the sense of containing, maturity, stability and the like can be given to people. At present, for flexible screen mobile terminal, the problem that needs to be solved is how to design folding mechanism and support, fold etc. the flexible screen, reduces the damage of the flexible screen department of bending, improves stability, reliability, operational feeling, comfort level etc. that rotate folding, improves life, makes the flexible screen can be applied to mobile terminal better.

Disclosure of Invention

The purpose of this disclosure is to provide a dish spring supplies to turn round mechanism, can solve at least one in the above-mentioned technical problem, and the technical scheme of this disclosure is as follows:

the utility model provides a dish spring supplies to turn round mechanism, including first base, first fixed block and first retaining member of setting on first base, be formed with between first fixed block and the first base with left rotor arm matched with first arc slide and with right rotor arm matched with second arc slide, first retaining member passes a plurality of first dish springs of stacking to be connected first fixed block and first base, and can make first fixed block elasticity press on left rotor arm and right rotor arm in order to provide the moment of torsion to the rotation of left rotor arm and right rotor arm.

In some embodiments, the left rotating arm has a first arc-shaped sliding portion, the first arc-shaped sliding track includes first arc-shaped flanges respectively engaged with two side edges of the first arc-shaped sliding portion, and the two first arc-shaped flanges are respectively located above the two side edges of the first arc-shaped sliding portion.

In some embodiments, the right rotating arm has a second arc-shaped sliding portion, the second arc-shaped sliding way includes second arc-shaped flanges respectively matched with two side edges of the second arc-shaped sliding portion, and the two second arc-shaped flanges are respectively positioned above the two side edges of the second arc-shaped sliding portion.

In some embodiments, a first groove body matched with the first fixing block is arranged on the first base, and a first arc-shaped part respectively matched with the left rotating arm and the right rotating arm is arranged in the first groove body.

In some embodiments, the first locking member is a first screw passing through a plurality of stacked first disc springs to connect the first fixing block with the first base.

In some embodiments, a first screw hole connected with the first screw is formed in the first base, a first through hole matched with the first screw is formed in the first fixing block, the first through hole corresponds to the first screw hole, the first disc spring is located above the first through hole, and the diameter of the first disc spring is larger than that of the first through hole.

In some embodiments, the first fixing block is provided with a second groove body matched with the first disc spring, and the first through hole is located on the bottom surface of the second groove body.

In some embodiments, a first protrusion is disposed at the bottom of the first fixing block, a third groove body matched with the first protrusion is disposed on the first base, the first through hole is located on the first protrusion, and the first threaded hole is located on the bottom surface of the third groove body.

In some embodiments, a second protrusion is disposed on a bottom surface of the third slot, the first threaded hole is disposed on the second protrusion, and the second protrusion is capable of being inserted into the first through hole.

In some embodiments, first screws are provided at both sides of the left rotating arm and both sides of the right rotating arm, respectively.

The beneficial effects of this disclosure are: in the using process, the left rotating arm and the right rotating arm synchronously rotate in the opposite direction, so that the corresponding left casing and the right casing synchronously rotate in the opposite direction to realize the opening, the flattening and the inward folding closing of the flexible screen, and in the rotating process of the left rotating arm along the first arc-shaped slideway and the right rotating arm along the second arc-shaped slideway, as the first locking piece penetrates through a plurality of stacked first disc springs to connect the first fixing block with the first base, the first fixing block is elastically pressed on the left rotating arm and the right rotating arm, so that proper friction damping force can be provided for the rotation of the left rotating arm and the right rotating arm, namely, torque and the like can be provided for the rotation of the left rotating arm and the right rotating arm, the rotating stability, the reliability and the like are ensured, the operation feeling, the comfort level and the like are better, the torque can be conveniently adjusted by increasing the number of the first disc springs or adjusting the compression degree and the like of the first disc springs, the structure is simple, The product is stable and convenient to operate, the service life of the product is prolonged, the product can be better applied to various folded screen mobile terminals such as mobile phones and tablet computers, and the application and development of the product are expanded.

In addition, in the technical solutions of the present disclosure, the technical solutions can be implemented by adopting conventional means in the art, unless otherwise specified.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded view of a disc spring torsion mechanism according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram of a disc spring torsion supply mechanism according to an embodiment of the present disclosure.

Fig. 3 is a partial enlarged view at a in fig. 2 of an embodiment of the present disclosure.

Fig. 4 is a partial enlarged view at B in fig. 2 of an embodiment of the present disclosure.

Fig. 5 is a sectional view of a disc spring torsion supplying mechanism according to an embodiment of the present disclosure.

The reference numerals in the drawings indicate that the first base 1, the first groove 11, the first arc-shaped portion 111, the first threaded hole 12, the third groove 13, the second protrusion 14, the first locking member 2, the first screw 21, the first fixing block 3, the first arc-shaped slide 31, the first arc-shaped flange 311, the second arc-shaped slide 32, the second arc-shaped flange 321, the second groove 33, the first through hole 34, the first protrusion 35, the first limit support plate 36, the second limit support plate 37, the left rotating arm 4, the first arc-shaped sliding portion 41, the fourth groove 42, the right rotating arm 5, the second arc-shaped sliding portion 51, the fifth groove 52, and the first disc spring 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the disclosure and are not to be considered as limiting the disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "both ends", "both sides", "bottom", "top", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," "upper," "lower," "primary," "secondary," and the like are used for descriptive purposes only and may be used for purposes of simplicity in more clearly distinguishing between various components and not to indicate or imply relative importance.

In the description of the present disclosure, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are used in a broad sense and can be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected through the inside of two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

Referring to fig. 1-5, a disc spring torsion mechanism according to the present disclosure is schematically shown, which is mainly used for providing a proper torque for a folding rotation of a flexible screen mobile terminal. This dish spring supplies to turn round mechanism includes first base 1, first fixed block 3 and first retaining member 2, first fixed block 3 sets up on first base 1, first retaining member 2 passes first dish spring 6 and is connected first fixed block 3 and first base 1, first retaining member 2 can be one, also can be more than two along 3 length direction equipartitions of first fixed block, first dish spring 6 with 2 matched with of every first retaining member can be one, also can be a plurality of first dish springs 6 that stack in proper order and every first retaining member 2 cooperate. Be formed with between first fixed block 3 and the first base 1 with left rotor arm 4 matched with first arc slide 31 and with right rotor arm 5 matched with second arc slide 32, left rotor arm 4 can be followed first arc slide 31 and rotated, right rotor arm 5 can be followed second arc slide 32 and rotated, first retaining member 2 passes first dish spring 6 and is connected the back with first fixed block 3 with first base 1, the first dish spring 6 of compressed can act on first fixed block 3 for first fixed block 3 elasticity is pressed on left rotor arm 4 and right rotor arm 5.

In the use process, the left rotating arm 4 is connected with the corresponding left casing, the right rotating arm 5 is connected with the corresponding right casing, the corresponding flexible screen is respectively connected with the left casing and the right casing, and the left rotating arm 4 and the right rotating arm 5 synchronously rotate in the opposite direction, so that the corresponding left casing and the right casing synchronously rotate in the opposite direction, and the flexible screen is opened, flattened and folded inwards to be closed. In the process that the left rotating arm 4 rotates along the first arc-shaped slideway 31 and the right rotating arm 5 rotates along the second arc-shaped slideway 32, the first fixing block 3 is connected with the first base 1 by the first locking piece 2 penetrating through the first disc springs 6 which are stacked, so that the first fixing block 3 is elastically pressed on the left rotating arm 4 and the right rotating arm 5, thereby providing proper friction damping force for the rotation of the left rotating arm 4 and the right rotating arm 5, namely, torque and the like can be provided for the rotation of the left rotating arm 4 and the right rotating arm 5, the rotating stability, the reliability and the like are ensured, the operation feeling, the comfort level and the like are better, and the torque can be conveniently adjusted by increasing the number of the first disc springs 6 or adjusting the compression degree and the like of the first disc springs 6.

The left rotating arm 4 has a first arc-shaped sliding portion 41, the first arc-shaped sliding way 31 includes first arc-shaped flanges 311 respectively matched with two side edges of the first arc-shaped sliding portion 41, the two first arc-shaped flanges 311 are respectively located above two side edges of the first arc-shaped sliding portion 41, an avoidance interval matched with the first arc-shaped sliding portion 41 is arranged between the two first arc-shaped flanges 311, the first fixed block 3 elastically presses the first arc-shaped sliding portion 41 close to the left rotating arm 4 through the two first arc-shaped flanges 311, and the first arc-shaped sliding portion 41 rotates along the two first arc-shaped flanges 311, which is more stable and reliable. The left rotating arm 4 and the right rotating arm 5 have substantially the same structure, and in the same way, the right rotating arm 5 has a second arc-shaped sliding portion 51, the second arc-shaped slideway 32 includes second arc-shaped flanges 321 respectively matched with two side edges of the second arc-shaped sliding portion 51, the two second arc-shaped flanges 321 are respectively located above two side edges of the second arc-shaped sliding portion 51, an avoiding section matched with the second arc-shaped sliding portion 51 is arranged between the two second arc-shaped flanges 321, the first fixing block 3 is elastically pressed against the second arc-shaped sliding portion 51 of the right rotating arm 5 through the two second arc-shaped flanges 321, and the second arc-shaped sliding portion 51 rotates along the two second arc-shaped flanges 321.

The first fixing block 3 is further provided with a first limiting supporting plate 36 and a second limiting supporting plate 37, the first limiting supporting plate 36 is located between the two first arc flanges 311, the first limiting supporting plate 36 is located below the first arc sliding portion 41, a fourth groove body 42 matched with the first limiting supporting plate 36 is arranged on the outer side of the first arc sliding portion 41, the second limiting supporting plate 37 is located between the two second arc flanges 321, the second limiting supporting plate 37 is located below the second arc sliding portion 51, and a fifth groove body 52 matched with the second limiting supporting plate 37 is arranged on the outer side of the second arc sliding portion 51. When the left rotating arm 4 and the right rotating arm 5 rotate synchronously and reversely to beat outwards for flattening, the fourth groove 42 on the rotating arm 4 is matched with the first limiting support plate 36 for limiting, the fifth groove 52 on the right rotating arm 5 is matched with the second limiting support plate 37 for limiting, and the fixing device is more stable and reliable, and the first limiting support plate 36 and the second limiting support plate 37 can also enhance the structural strength of the first fixing block 3 and the like.

The first base 1 is provided with a first groove body 11 matched with a first fixing block 3, first arc-shaped parts 111 respectively matched with a left rotating arm 4 and a right rotating arm 5 are arranged in the first groove body 11, the first fixing block 3 is arranged in the first groove body 11, the two first arc-shaped parts 111 are respectively matched with the left rotating arm 4 and the right rotating arm 5 correspondingly, a first arc-shaped sliding part 41 of the left rotating arm 4 rotates along one first arc-shaped part 111 and the two first arc-shaped flanges 311, a second arc-shaped sliding part 51 of the right rotating arm 5 rotates along the other first arc-shaped part 111 and the two second arc-shaped flanges 321, the structure is more compact, the size is smaller, the movement is more stable and reliable, and the operation is more convenient.

The first locking member 2 is a first screw 21, the first screw 21 penetrates through a plurality of stacked first disc springs 6 to connect the first fixing block 3 with the first base 1, and the operation is convenient. First base 1 is provided with first screw hole 12 connected with first screw 21, be provided with first through-hole 34 with first screw 21 matched with on the first fixed block 3, first through-hole 34 corresponds with first screw hole 12, first dish spring 6 is located the top of first through-hole 34, the diameter of first dish spring 6 is greater than the diameter of first through-hole 34, a plurality of first dish springs 6 stack together in proper order usually, first screw 21 passes the hole of each first dish spring 6 and first through-hole 34 after, again with first screw hole 12 on first base 1 connected, the first dish spring 6 of the top cooperatees with the head of first screw 21, the first dish spring 6 of the below presses on first fixed block 3, moreover, the steam generator is simple in structure, it is very convenient to adjust the operation such as the regulation.

The two sides of the left rotating arm 4 and the two sides of the right rotating arm 5 are respectively provided with the first screws 21, so that the stress is more uniform, and the structure is more stable and reliable.

The first fixing block 3 is further provided with a second groove body 33 matched with the first disc spring 6, the first through hole 34 is located in the bottom face of the second groove body 33, and the first disc spring 6 is located in the second groove body 33, so that the structure is more compact and stable, and the size is smaller.

The bottom of first fixed block 3 still is provided with first lug 35, be provided with on the first base 1 with first lug 35 matched with third cell body 13, first through-hole 34 is located first lug 35, first screw hole 12 is located the bottom surface of third cell body 13, first lug 35 is located third cell body 13, when the degree of compression of adjusting first dish spring 6 through first screw 21, first lug 35 can be followed third cell body 13 and slided from top to bottom, the structure is compacter, firm, the volume is littleer.

The bottom surface of the third groove body 13 is further provided with a second bump 14, the first threaded hole 12 is formed in the second bump 14, the second bump 14 can be inserted into the first through hole 34, when the compression degree of the first disc spring 6 is adjusted through the first screw 21, the first bump 35 can slide up and down along the third groove body 13, and the second bump 14 slides up and down along the first through hole 34 relatively, so that the structure is more compact and stable, and the volume is smaller.

Compared with the prior art, the advantage of this disclosure has: the left rotating arm 4 and the right rotating arm 5 synchronously rotate in opposite directions, so that the corresponding left casing and the right casing synchronously rotate in opposite directions to realize the unfolding and folding-in closing of the flexible screen, in the process that the left rotating arm 4 rotates along the first arc-shaped slideway 31 and the right rotating arm 5 rotates along the second arc-shaped slideway 32, as the first locking piece 2 passes through the stacked first disc spring 6 to connect the first fixed block 3 with the first base 1, the first fixed block 3 is elastically pressed on the left rotating arm 4 and the right rotating arm 5, thereby providing proper friction damping force for the rotation of the left rotating arm 4 and the right rotating arm 5, namely providing torque and the like for the rotation of the left rotating arm 4 and the right rotating arm 5, ensuring the stability, reliability and the like of rotation, ensuring better operation feeling, comfort and the like, and being convenient for adjusting the torque by increasing the number of the first disc springs 6 or adjusting the degree of the first disc springs 6 under pressure, the structure is simple, compact and stable, the size is small, the operation is very convenient, the service life of the product is prolonged, the device is convenient to be better applied to various inward-folding screen mobile terminals such as mobile phones and tablet computers, and the application and development of the product are expanded.

The foregoing is directed to embodiments of the present disclosure, which are provided for illustration only and not for limitation, and it is understood that modifications and substitutions may be made by those skilled in the art without departing from the spirit of the disclosure and all such modifications and substitutions are to be considered within the scope of the appended claims. In this case all the details may be replaced with equivalent elements, and the materials, shapes and dimensions may be any.

Claims (10)

1. Dish spring confession turns round mechanism, its characterized in that includes first base (1), sets up first fixed block (3) and first retaining member (2) on first base (1), first fixed block (3) with be formed with between first base (1) with left rotor arm (4) matched with first arc slide (31) and with right rotor arm (5) matched with second arc slide (32), first retaining member (2) pass a plurality of first dish springs (6) of stacking will first fixed block (3) with first base (1) is connected, and can make first fixed block (3) elasticity press in left rotor arm (4) with right rotor arm (5) are gone up in order to be right rotor arm (4) with the rotation of right rotor arm (5) provides the moment of torsion.

2. The disc spring torsion supplying mechanism according to claim 1, wherein the left rotating arm (4) has a first arc-shaped sliding portion (41), the first arc-shaped sliding path (31) includes first arc-shaped flanges (311) respectively engaged with two side edges of the first arc-shaped sliding portion (41), and two first arc-shaped flanges (311) are respectively located above two side edges of the first arc-shaped sliding portion (41).

3. The torsion mechanism according to claim 2, wherein the right rotary arm (5) has a second arc-shaped sliding portion (51), the second arc-shaped sliding way (32) comprises second arc-shaped flanges (321) respectively engaged with two side edges of the second arc-shaped sliding portion (51), and two of the second arc-shaped flanges (321) are respectively located above two side edges of the second arc-shaped sliding portion (51).

4. The disc spring torsion supply mechanism according to claim 3, wherein a first groove (11) matched with the first fixing block (3) is formed in the first base (1), and first arc-shaped portions (111) respectively matched with the left rotating arm (4) and the right rotating arm (5) are formed in the first groove (11).

5. Disc spring torsion mechanism according to any of the claims 1 to 4, wherein the first locking member (2) is a first screw (21), and the first screw (21) connects the first fixing block (3) with the first base (1) through several stacked first disc springs (6).

6. The disc spring torsion supplying mechanism according to claim 5, wherein a first threaded hole (12) connected with the first screw (21) is formed in the first base (1), a first through hole (34) matched with the first screw (21) is formed in the first fixing block (3), the first through hole (34) corresponds to the first threaded hole (12), the first disc spring (6) is located above the first through hole (34), and the diameter of the first disc spring (6) is larger than that of the first through hole (34).

7. The disc spring torsion supplying mechanism according to claim 6, wherein a second groove (33) matched with the first disc spring (6) is formed in the first fixing block (3), and the first through hole (34) is located on the bottom surface of the second groove (33).

8. The torsion mechanism is characterized in that a first protrusion (35) is arranged at the bottom of the first fixing block (3), a third groove (13) matched with the first protrusion (35) is arranged on the first base (1), the first through hole (34) is located on the first protrusion (35), and the first threaded hole (12) is located on the bottom surface of the third groove (13).

9. The disc spring torsion supplying mechanism according to claim 8, wherein a second protrusion (14) is provided on a bottom surface of the third groove (13), the first threaded hole (12) is provided on the second protrusion (14), and the second protrusion (14) can be inserted into the first through hole (34).

10. Disc spring torsion mechanism according to claim 9, wherein the first screws (21) are provided on both sides of the left turning arm (4) and both sides of the right turning arm (5), respectively.

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