CN113573193A

CN113573193A - Hinge and earphone box

Info

Publication number: CN113573193A
Application number: CN202110823571.5A
Authority: CN
Inventors: 唐娜; 赵庆宏; 胡广
Original assignee: Luxshare Electronic Technology Kunshan Ltd
Current assignee: Luxshare Electronic Technology Kunshan Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-10-29
Anticipated expiration: 2041-07-21
Also published as: CN113573193B

Abstract

The invention relates to the technical field of hinges, and particularly discloses a hinge and an earphone box, wherein the hinge comprises a shaft part, a connecting rod, a crankshaft and a locking mechanism, the shaft part comprises a first shaft, a supporting part and a second shaft, the supporting part is fixed on the first shaft, the second shaft is rotationally connected to the supporting part, the first shaft and the second shaft are parallel and arranged at intervals, and the first shaft is fixed on a box body and rotationally connected with a box cover; the connecting rod is rotatably arranged on the second shaft, the connecting rod is also provided with a strip-shaped chute, the crankshaft is rotatably arranged in the chute in a penetrating way and is rotatably connected with the box cover, the crank can slide in the chute and simultaneously rotates relative to the connecting rod, the crankshaft can slide along the length direction of the chute and has a first position and a second position, and when the crankshaft is positioned at the first position, the box cover covers the box body; when the crankshaft is located at the second position, the box body is opened by the box cover, and the relative position of the connecting rod and the crankshaft can be locked by the locking mechanism, so that the position of the box cover is kept at the position where the box body is opened, and a better supporting effect is achieved.

Description

Hinge and earphone box

Technical Field

The invention relates to the technical field of earphone boxes, in particular to a hinge and an earphone box.

Background

Hinges are commonly used between two pivoting members to allow the two members to pivot relative to each other, for example, the hinge may be mounted between a door and a body, or between a lid and a body, etc.

Use and be applied to the earphone box as an example, disclose a wireless earphone receiver that charges in the earlier stage patent that application number is CN201822228828.9, it includes the cabin of charging, top cap to and connect the hinge subassembly of above-mentioned cabin and top cap of charging, the hinge subassembly is used for making and can rotate between cabin and the top cap of charging and connect, after the cabin of will charging is opened to the top cap, in order to make the position of top cap stable, still be provided with the torsional spring, two free ends of torsional spring act on respectively and charge cabin and top cap. But the degree of difficulty of torsional spring when the assembly is higher, and only give the top cap holding power through the torsional spring, stability is relatively poor.

The patent application number of CN201920126345.X discloses a wireless earphone charging storage box, which comprises a charging cabin, a top cover and a hinge plate for connecting the charging cabin and the top cover, wherein the upper end of the hinge plate is hinged on the inner wall of the top cover, the lower end of the hinge plate is hinged on the top of the battery cabin, and the top cover and the hinge plate rotate relatively in the process of opening the top cover; meanwhile, the hinge plate and the battery compartment rotate relatively, so that a certain gap is formed between the top cover and the charging compartment. The hinge adopts a double-shaft structure, so that a certain gap is formed between the top cover and the charging bin while the top cover and the charging bin are opened, but the requirement on assembly tolerance is high, and the condition of poor assembly is easy to occur.

Disclosure of Invention

The invention aims to: a hinge and an earphone case are provided, which can stably support two rotating parts when the two parts are opened, and which are easy to assemble and have low requirements for assembly tolerance.

In one aspect, the present invention provides a hinge for connecting a first component and a second component, the hinge comprising:

the shaft element comprises a first shaft, a supporting element fixed on the first shaft and a second shaft rotationally connected with the supporting element, the first shaft and the second shaft are parallel and arranged at intervals, and the first shaft is fixed on the first component and is used for rotationally connecting with the second component;

the connecting rod is rotatably arranged on the second shaft and is provided with a strip-shaped sliding groove;

the crankshaft is rotationally connected with the second component, the crankshaft is rotationally arranged in the sliding groove in a penetrating mode, the crankshaft can slide along the length direction of the sliding groove and has a first position and a second position, and when the crankshaft is located at the first position, the second component covers the first component; the second member opens the first member when the crankshaft is in the second position;

a locking mechanism capable of locking the relative positions of the connecting rod and the crankshaft when the crankshaft is in the second position.

As a preferable embodiment of the hinge, the slide groove has a first end and a second end located in a longitudinal direction thereof, and the crankshaft abuts against the first end when the crankshaft is located at the first position; the crankshaft abuts the second end when the crankshaft is in the second position.

As a preferable aspect of the hinge, the locking mechanism includes an elastic member that is provided in the slide groove in a protruding manner, the elastic member is located between the first end and the second end, and when the crankshaft is located at the second position, the elastic member abuts against the crankshaft and can restrict the crankshaft from moving to the first position.

In a preferred embodiment of the hinge, when the crankshaft is located at the first position, the elastic member abuts against the crankshaft and can restrict the crankshaft from moving to the second position.

As a preferable technical solution of the hinge, the locking mechanism includes two elastic members protruding in the sliding groove, and the two elastic members are disposed opposite to each other in a width direction of the sliding groove.

As the preferable technical scheme of the hinge, the elastic piece is a metal elastic piece, or the elastic piece is made of a rubber material.

As a preferred technical solution of the hinge, the locking mechanism includes a first magnet embedded in the crankshaft and a second magnet embedded in the connecting rod, the second magnet is located at the second end, and when the crankshaft is located at the second position, the first magnet and the second magnet are attracted with each other and magnetically.

As the preferred technical scheme of hinge, the bent axle includes first pole, respectively with two second poles that the both ends of first pole are connected perpendicularly, and respectively with two third poles that the second pole is connected perpendicularly, first pole with the parallel and interval setting of third pole, first pole wear to locate the spout, two the third pole respectively with the second part rotates and is connected.

As the preferable technical scheme of the hinge, when the connecting rod is located at the first position, an included angle between the connecting rod and the second rod is an obtuse angle, and when the connecting rod is located at the second position, the connecting rod and the second rod are parallel.

On the other hand, the invention provides an earphone box, which comprises a first part, a second part and the hinge in any scheme, wherein the first part is a box body, the second part is a box cover, the box body is provided with a containing groove for containing an earphone, and the box body is provided with a charging assembly for charging the earphone.

The invention has the beneficial effects that:

the invention provides a hinge and an earphone box. The box cover comprises a box body and a box cover, wherein the box cover comprises a box body, a box cover and a shaft piece, the box body is provided with a box cover, the box cover is provided with a box body, and the box body is provided with a box cover; the connecting rod is rotatably arranged on the second shaft, the connecting rod is also provided with a strip-shaped chute, the crankshaft is rotatably arranged in the chute in a penetrating way and is rotatably connected with the box cover, the crank can slide in the chute and simultaneously rotates relative to the connecting rod, the crankshaft can slide along the length direction of the chute and has a first position and a second position, and when the crankshaft is positioned at the first position, the box cover covers the box body; when the crankshaft is positioned at the second position, the box body is opened by the box cover, and the relative position of the connecting rod and the crankshaft can be locked by the locking mechanism, so that the position of the box cover is kept at the position where the box body is opened, and a better supporting effect is achieved; compared with a torsion spring type structure in the prior art, the torsion spring type structure is easy to assemble; compare in the biaxial structure among the prior art, assembly tolerance requires lowerly, can guarantee the matching degree after box body and lid assembly.

Drawings

Fig. 1 is a schematic structural diagram of an earphone box according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of the earphone box when the connecting rod is located at the first position according to the embodiment of the present invention;

fig. 3 is a cross-sectional view of the earphone box when the connecting rod is located at the second position in the embodiment of the present invention;

fig. 4 is an enlarged view at a in fig. 3.

In the figure:

10. a box body; 101. a containing groove; 20. a box cover; 30. a hinge;

1. a shaft member; 11. a first shaft; 12. a support member; 13. a second shaft;

2. a connecting rod; 21. a chute;

3. a crankshaft; 31. a first lever; 32. a second lever; 33. a third lever;

4. an elastic member.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1, the present embodiment provides an earphone box, which includes a first component, a second component and a hinge 30, wherein the first component is a box body 10, the second component is a box cover 20, the box body 10 is provided with a containing groove 101 for containing an earphone, and the box body 10 is provided with a charging component for charging the earphone, and the earphone may be a TWS earphone. The case body 10 and the cap 20 are rotatably coupled by the hinge 30, and the hinge 30 can stably support the cap 20 when the case is opened by the cap 20.

As shown in fig. 2 to 4, the hinge 30 includes a shaft member 1, a connecting rod 2, a crankshaft 3, and a locking mechanism. The shaft element 1 comprises a first shaft 11, a support element 12 and a second shaft 13, the support element 12 is fixed on the first shaft 11, the second shaft 13 is rotatably connected with the support element 12, the first shaft 11 and the second shaft 13 are parallel and arranged at intervals, and the first shaft 11 is fixed on the box body 10 and is rotatably connected with the box cover 20; connecting rod 2 rotates and sets up in second shaft 13, and connecting rod 2 still is equipped with

rectangular shape spout

21, and 3 ground of bent axle wear to locate spout 21 and bent axle 3 rotate with lid 20 and be connected, and lid 20 can rotate through 11 relative box bodies 10 of primary shaft to open or close box body 10, at the relative box body 10 pivoted in-process of lid 20, lid 20 can drive bent axle 3 and connecting rod 2 synchronous motion. Specifically, as the box cover 20 rotates, the crank can slide in the sliding slot 21, and the crank also rotates relative to the connecting rod 2, the crankshaft 3 can slide along the length direction of the sliding slot 21 to have a first position and a second position, and when the crankshaft 3 is located at the first position, the box cover 20 covers the box body 10; when the crankshaft 3 is located at the second position, the box cover 20 opens the box body 10, and the locking mechanism can lock the relative positions of the connecting rod 2 and the crankshaft 3 so as to keep the position of the box cover 20 at the position where the box body 10 is opened, so that a better supporting effect is achieved; compared with a torsion spring type structure in the prior art, the torsion spring type structure is easy to assemble; compared with a double-shaft structure in the prior art, the assembling tolerance requirement is lower, and the matching degree of the assembled box body 10 and the assembled box cover 20 can be ensured.

It should be noted that the hinge 30 in the present embodiment is not limited to be applied to an earphone box, for example, the hinge 30 may also be applied to a cabinet or a box, and taking the case as an example, the first component may also be a box, and the second component is correspondingly a box door.

Alternatively, the slide groove 21 has a first end and a second end in a longitudinal direction thereof, wherein the longitudinal direction of the slide groove 21 is as shown by the ab direction in fig. 4, and when the crankshaft 3 is located at the first position, the crankshaft 3 abuts against the first end; when the crankshaft 3 is in said second position, the crankshaft 3 abuts the second end. Accordingly, the rotation angle of the cap 20 with respect to the case body 10 can be limited by the lengths of both ends of the slide groove 21.

Optionally, the locking mechanism includes an elastic member 4 protruding into the sliding slot 21, the elastic member 4 is located between the first end and the second end, and when the crankshaft 3 is located at the second position, the elastic member 4 abuts against the crankshaft 3 and can limit the crankshaft 3 from moving to the first position. Preferably, when the crankshaft 3 is located at the first position, the elastic member 4 abuts against the crankshaft 3 and can restrict the crankshaft 3 from moving to the second position. Thus, the first position and the second position of the crankshaft 3 can be simultaneously defined by the elastic member 4, and thus the relative position of the box cover 20 and the box body 10 can be maintained stable when the box body 10 is opened and closed by closing the cover. It will be appreciated that the locking mechanism maintains the locking of the relative positions of the connecting rod 2 and crankshaft 3 by virtue of a resilient force when the crankshaft 3 is in the second position, the resilient force being overcome by the crankshaft 3 and being able to move towards the first position when the external force imparted to the rotation of the cap 20 relative to the housing 10 exceeds a set threshold. Similarly, when the crankshaft 3 is located at the first position, the locking mechanism maintains the locking of the relative position of the connecting rod 2 and the crankshaft 3 by means of the elastic force, and when the external force given to the rotation of the box cover 20 relative to the box body 10 exceeds the set threshold, the crankshaft 3 can move to the second position by overcoming the elastic force.

Alternatively, the locking mechanism includes two elastic members 4 that are provided protruding inside the slide groove 21, wherein the width direction of the slide groove 21 is shown as the cd direction in fig. 4, and the two elastic members 4 are disposed opposite to each other in the width direction of the slide groove 21. Through setting up two elastic component 4, when bent axle 3 when two elastic component 4 of process, two elastic component 4 act on bent axle 3 simultaneously, can guarantee that bent axle 3 passes through between two parties, avoid bent axle 3 position to take place the incline. Preferably, the elastic member 4 is a metal elastic sheet, and has high wear resistance. Specifically, in this embodiment, the metal elastic sheet is V-shaped, and two free ends of the metal elastic sheet are connected to the connecting rod 2, and a tip end of the metal elastic sheet extends into the sliding groove 21. In other embodiments, the elastic member 4 may be made of rubber.

As an alternative thereto, the locking mechanism comprises a first magnet (not shown in the figures) embedded in the crankshaft 3, and a second magnet (not shown in the figures) embedded in the connecting rod 2, the second magnet being located at the second end, the first magnet and the second magnet being opposed and magnetically attracted when the crankshaft 3 is in the second position. Preferably, the locking mechanism further comprises a third magnet (not shown in the drawings) provided on the connecting rod 2, the first magnet and the second magnet being opposed and magnetically attracted when the crankshaft 3 is located at the first position. With this arrangement, it is also possible to lock the relative positions of the connecting rod 2 and the crankshaft 3 when the crankshaft 3 is located at the first position and the second position, respectively, so that the box cover 20 is held at the closed position and the open position.

Optionally, the crankshaft 3 includes a first rod 31, two second rods 32 respectively perpendicularly connected to two ends of the first rod 31, and a third rod 33 respectively perpendicularly connected to the two second rods 32, the first rod 31 and the third rod 33 are arranged in parallel and at an interval, the first rod 31 is inserted into the sliding slot 21, and the two third rods 33 are respectively rotatably connected to the box cover 20. The rotational stability of the crankshaft 3 can be ensured by the two third rods 33 being rotationally connected to the lid 20.

Alternatively, in the present embodiment, the angle between the connecting rod 2 and the second rod 32 is obtuse when the crankshaft 3 is in the first position, and the connecting rod 2 and the second rod 32 are parallel when the crankshaft 3 is in the second position. Preferably, the obtuse angle is 120 °, and in other embodiments, the obtuse angle can be set to other angles as needed.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A hinge for connecting a first member to a second member, the hinge comprising:

the shaft element (1) comprises a first shaft (11), a support element (12) fixed on the first shaft (11) and a second shaft (13) rotatably connected with the support element (12), the first shaft (11) and the second shaft (13) are arranged in parallel at intervals, and the first shaft (11) is fixed on the first component and is used for rotatably connecting with the second component;

the connecting rod (2) is rotatably arranged on the second shaft (13), and the connecting rod (2) is provided with a long strip-shaped sliding groove (21);

the crankshaft (3) is rotationally connected with the second component, the crankshaft (3) is rotationally arranged in the sliding groove (21) in a penetrating mode, the crankshaft (3) can slide along the length direction of the sliding groove (21) and has a first position and a second position, and when the crankshaft (3) is located at the first position, the second component covers the first component; the second part opens the first part when the crankshaft (3) is in the second position;

a locking mechanism capable of locking the relative position of the connecting rod (2) and the crankshaft (3) when the crankshaft (3) is in the second position.

2. The hinge according to claim 1, characterized in that said chute (21) has a first end and a second end in the length direction thereof, said crankshaft (3) abutting said first end when said crankshaft (3) is in said first position; when the crankshaft (3) is in the second position, the crankshaft (3) abuts the second end.

3. The hinge according to claim 2, characterized in that said locking means comprise an elastic element (4) projecting inside said sliding groove (21), said elastic element (4) being located between said first end and said second end, said elastic element (4) being in abutment with said crankshaft (3) and being able to limit the movement of said crankshaft (3) towards said first position when said crankshaft (3) is in said second position.

4. The hinge according to claim 3, characterized in that said elastic member (4) abuts against said crankshaft (3) and is able to limit the movement of said crankshaft (3) towards said second position when said crankshaft (3) is in said first position.

5. Hinge according to claim 3, characterized in that said locking means comprise two elastic elements (4) protruding inside said sliding groove (21), said two elastic elements (4) being arranged opposite each other in the width direction of said sliding groove (21).

6. The hinge according to claim 3, characterized in that the elastic element (4) is a metal dome or the elastic element (4) is made of rubber.

7. The hinge according to claim 2, characterized in that said locking means comprise a first magnet embedded in said crankshaft (3) and a second magnet embedded in said connecting rod (2), said second magnet being located at said second end, said first magnet and said second magnet being opposite and magnetically engaged when said crankshaft (3) is in said second position.

8. The hinge according to claim 1, characterized in that said crankshaft (3) comprises a first rod (31), two second rods (32) respectively connected perpendicularly to the two ends of said first rod (31), and a third rod (33) respectively connected perpendicularly to said two second rods (32), said first rod (31) and said third rod (33) being arranged parallel and spaced apart, said first rod (31) being inserted through said sliding slot (21), said two third rods (33) being respectively connected in rotation with said second part.

9. Hinge according to claim 8, characterized in that the angle between the link (2) and the second lever (32) is obtuse when the link (2) is in the first position, and in that the link (2) and the second lever (32) are parallel when the link (2) is in the second position.

10. Earphone box, characterized in that it comprises a first part, a second part and a hinge according to any of claims 1-8, the first part being a box body (10), the second part being a box cover (20), the box body (10) being provided with a receiving tank (101) for receiving an earphone, and the box body (10) being provided with a charging assembly for charging the earphone.