CN216626022U - Rotary connecting device and earphone box - Google Patents
Rotary connecting device and earphone box Download PDFInfo
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- CN216626022U CN216626022U CN202123429807.1U CN202123429807U CN216626022U CN 216626022 U CN216626022 U CN 216626022U CN 202123429807 U CN202123429807 U CN 202123429807U CN 216626022 U CN216626022 U CN 216626022U
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- elastic damping
- curved surface
- pushing block
- piece
- upper cover
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Abstract
The utility model relates to the technical field of earphone boxes and discloses a rotary connecting device and an earphone box. The damping sense of earphone box switching process has been realized to interference fit and deformation between utilization pushing block and the elastic damping piece to enable the earphone box to maintain open action under certain angle, saved the metal spring among the prior art, reduced design and manufacturing cost to a certain extent, compare in prior art in the damping scheme of adopting metal spring, more convenient equipment has promoted packaging efficiency, is favorable to the industrial automation equipment.
Description
Technical Field
The utility model relates to the technical field of earphone boxes, in particular to a rotary connecting device and an earphone box.
Background
Some earphone boxes can adopt damping structure on the existing market to damping function when realizing earphone box switching, on the one hand, promoted user's use and experienced, on the other hand also prevents to a certain extent that earphone box is often by the phenomenon of open by mistake.
In the prior art, to realize the damping function when the earphone box is opened and closed, a common method is to match a spring structure on a rotating shaft, for example, a patent with application number CN202010335286.4 and name "earphone box", which is a structure that a metal spring is arranged on a damper, so as to realize the damping function when the earphone box is opened and closed. The damping structure has the advantages of high material cost, short opening and closing service life, high assembly difficulty and no contribution to industrial automatic assembly.
Therefore, how to reduce the production cost of the earphone box as much as possible and reduce the assembly difficulty of the earphone box on the premise of realizing the damping function when the earphone box is opened and closed becomes a technical problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a rotary connection device and an earphone case to solve the above technical problems.
In order to achieve the purpose, the utility model adopts the following technical scheme:
in a first aspect, the present invention provides a rotatable connection comprising: the upper cover connecting piece is sleeved on the rotating shaft; the upper cover connecting piece can rotate around the rotating shaft or rotate along with the rotating shaft;
a pushing block is convexly arranged on one side of the upper cover connecting piece; and an elastic damping piece used for abutting against the pushing block to provide resistance for the movement of the pushing block is further arranged on the moving path of the pushing block.
Optionally, the rotary connecting device further comprises a deformation support;
at least one end of the deformation support is provided with the elastic damping piece; one end of the elastic damping piece extends towards the upper cover connecting piece;
and a damping curved surface for abutting against the pushing block is formed on one side of the elastic damping piece.
Optionally, two ends of the deformation support are respectively provided with the elastic damping piece; one side of the upper cover connecting piece is convexly provided with two pushing blocks at intervals;
the two elastic damping pieces are positioned between the two pushing blocks; the damping curved surface is positioned on the opposite sides of the two elastic damping parts.
Optionally, the elastic damping member is provided with a first deformation part and a second deformation part which are adjacent to each other in sequence from one end of the elastic damping member to the other end of the elastic damping member;
the width of the first deformation part is increased progressively and the width of the second deformation part is decreased progressively in the direction from one end to the other end thereof.
Optionally, a mounting bracket is further arranged between the deformation bracket and the upper cover connecting piece; the deformation bracket is fixedly arranged on the mounting bracket;
and the mounting bracket is provided with an accommodating through groove for accommodating the elastic damping piece at a position corresponding to the elastic damping piece.
Optionally, a cylindrical curved surface coaxial with the rotating shaft is formed on the upper cover connecting piece;
the pushing block is convexly arranged on one side of the cylindrical curved surface; the other side of the cylindrical curved surface extends outwards to form a box cover mounting part;
an avoiding curved surface is arranged at the edge of a notch at one end of the accommodating through groove; the avoidance curved surface comprises a first avoidance curved surface used for avoiding the cylindrical curved surface and a second avoidance curved surface used for avoiding the pushing block;
one end of the second avoiding curved surface extends into the accommodating through groove and forms a positioning step with the bottom wall of the accommodating through groove; the other end of the second avoiding curved surface extends into the edge of the notch of the accommodating through groove, and a limiting stop block is formed on the edge of the notch of the accommodating through groove in a concave mode;
the other end of the limit stop, the second deformation part and the elastic damping part are surrounded to form a limit groove.
Optionally, the rotary connecting device further comprises a fixing member for fixedly connecting the mounting bracket and the deformation bracket;
the deformation support is provided with a fixed connecting hole; a connecting through hole is formed in the mounting bracket corresponding to the position of the fixed connecting hole;
the fixing piece penetrates through the connecting through hole and is fixedly connected with the fixing connecting hole.
In a second aspect, the present invention further provides an earphone box, which includes a box body, a box cover openably connected to the box body, and the above-mentioned rotation connection device;
the other side of the upper cover connecting piece is fixedly connected with the box cover; the rotating shaft and the elastic damping piece are installed on the box body.
Optionally, the box cover has a set cover closing position;
when the box cover is in the cover closing position, one end of the elastic damping piece is not in contact with the pushing block, or one end of the elastic damping piece is in contact with the pushing block but the elastic damping piece is not deformed;
the pushing block moves along one side of the elastic damping member in the width direction during the opening or closing of the box cover.
Optionally, both ends of the rotating shaft are fixedly mounted on the box body, and the upper cover connecting piece can rotate around the rotating shaft.
The utility model has the beneficial effects that:
according to the earphone box, the damping sense of the opening and closing process of the earphone box is realized by utilizing the interference fit and the deformation between the pushing block and the elastic damping piece, the earphone box can maintain the opening action at a certain angle, a metal spring in the prior art is saved, and the design and manufacturing cost is reduced to a certain extent; simultaneously, compare the damping scheme that adopts metal spring among the prior art, this application is more convenient to be assembled, has promoted packaging efficiency, is favorable to the industrial automation equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a rotary connection device according to an embodiment of the present invention;
FIG. 2 is an exploded view of a rotary union device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a deformable bracket of a rotatable connection device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a mounting bracket of a swivel joint assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a rotary connecting device according to an embodiment of the present invention in a state where a box cover is completely opened.
In the figure:
10. a rotating shaft;
20. an upper cover connecting piece; 21. pushing the block; 22. a shaft mounting hole; 23. a cylindrical curved surface;
30. a fixing member;
40. mounting a bracket; 41. accommodating through grooves; 42. a connecting through hole; 411. a first avoidance curved surface; 412. a second avoidance curved surface; 413. a limit stop block; 414. positioning a step;
50. a deformation support; 51. an elastic damping member; 52. fixing the connecting hole; 511. a first deformation section; 512. a second deformed portion.
Detailed Description
In order to make the objects, features and advantages of the present invention more apparent and understandable, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
This embodiment provides an earphone box, including the box body and with the lid that the box body can be connected with opening and shutting, box body and lid adopt a rotation connecting device to realize that rotation between them is connected.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a rotary connection device according to an embodiment of the present invention; fig. 2 is an exploded view of a rotary joint according to an embodiment of the present invention.
The rotary connecting device comprises a rotating shaft 10 and an upper cover connecting piece 20 sleeved on the rotating shaft 10; a pushing block 21 is convexly arranged on one side of the upper cover connecting piece 20; the other side of the upper cover connecting piece 20 is fixedly connected with the box cover; the rotating shaft 10 and the elastic damping member 51 are mounted on the box body; wherein, the upper cover connecting piece 20 can rotate around the rotating shaft 10 or can rotate along with the rotating shaft 10;
in the rotating process of the upper cover connecting piece 20, the pushing block 21 rotates and moves around the axis of the rotating shaft 10; the rotary connection device is further provided with an elastic damping member 51 for abutting against the pushing block 21 on the moving path of the pushing block 21 to provide resistance to the movement of the pushing block 21.
In the implementation, the damping sense of the earphone box in the opening and closing process is realized by utilizing the interference fit and the deformation between the pushing block 21 and the elastic damping piece 51, the earphone box can maintain the opening action at a certain angle, the metal spring in the prior art is saved, and the manufacturing cost is reduced to a certain extent; meanwhile, the number of parts is less, the assembly is convenient, and the assembly efficiency is improved;
as a better implementation mode, the pushing block 21 and the elastic damping member 51 can be made of wear-resistant materials, and compared with the spring scheme in the prior art, the opening and closing life of the earphone box can be further prolonged.
Specifically, the rotary connecting device further comprises a deformation bracket 50;
at least one end of the deformation bracket 50 is provided with an arc-shaped elastic damping piece 51; one side of the elastic damping member 51 is formed with a damping curved surface for abutting against the pushing block 21.
For the purposes of illustration, the structure and principles of the present application will be further described below by way of example in connection with one specific embodiment.
As an alternative embodiment, both ends of the rotating shaft 10 are fixedly installed on the box body, and the upper cover connecting piece 20 can rotate around the rotating shaft 10;
both ends of the deformation bracket 50 are provided with an elastic damping part 51; one side of the upper cover connecting piece 20 is convexly provided with two pushing blocks 21 at intervals; in the present embodiment, one side of the upper cover link 20 can be understood as the lower side of the upper cover link 20 in the state shown in fig. 1;
one end of the elastic damping piece 51 extends towards the upper cover connecting piece 20 and extends between the two pushing blocks 21; the damping curved surface is located on the opposite side of the two elastic damping members 51. The opposing sides are the width-directional sides of the elastic damper 51, and refer to the left side surface of the elastic damper 51 located on the left side of fig. 1 and the right side surface of the elastic damper 51 located on the right side of fig. 1 in the state shown in fig. 1.
In this embodiment, the rotating connecting device shown in fig. 1 is in a closed state, and at this time, the box cover is in a closed position;
when the box cover is in the cover closing position, one end of the elastic damping piece 51 is arranged close to the pushing block 21, or one end of the elastic damping piece 51 is close to the pushing block 21 but the elastic damping piece 51 is not deformed;
in the opening or closing process of the box cover, the pushing block 21 moves along the damping curved surface, the elastic damping piece 51 deforms, and the frictional resistance related to the deformation quantity is fed back to the pushing block 21 through the damping curved surface, so that the damping function of the earphone box in the opening and closing process is realized.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a deformable bracket 50 of a rotary connection device according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a mounting bracket 40 of a rotary connection device according to an embodiment of the present invention.
Specifically, the elastic damping member 51 is provided with a first deformation portion 511 and a second deformation portion 512 which are adjacent to each other in sequence from one end thereof toward the other end thereof;
the width of the first deformation part 511 increases gradually and the width of the second deformation part 512 decreases gradually in the direction from one end to the other end, and a paraboloid-like damping curved surface is formed on one side of the elastic damping member 51; in this embodiment, the width direction is a direction parallel to the axis of the rotating shaft 10.
Specifically, a mounting bracket 40 is further arranged between the deformation bracket 50 and the upper cover connecting piece 20; the deformation bracket 50 is fixedly arranged on the mounting bracket 40;
the mounting bracket 40 is provided with an accommodating through groove 41 corresponding to the elastic damping member 51 for accommodating the elastic damping member 51.
More specifically, the upper cover connecting member 20 is formed with a cylindrical curved surface 23 coaxial with the rotating shaft 10;
the pushing block 21 is convexly arranged on one side of the cylindrical curved surface 23; the other side of the cylindrical curved surface 23 extends outwards to form a box cover mounting part; in this embodiment, the other side of the cylindrical curved surface 23 can be referred to as the upper side of the cylindrical curved surface 23 in fig. 2;
an avoiding curved surface is arranged at the edge of a notch at one end of the accommodating through groove 41; the avoidance curved surface comprises a first avoidance curved surface 411 for avoiding the cylindrical curved surface 23 and a second avoidance curved surface 412 for avoiding the pushing block 21; as shown in fig. 2, two first avoidance curved surfaces 411 are adjacent to each other and located between two second avoidance curved surfaces 412;
one end of the second avoiding curved surface 412 extends into the accommodating through groove 41, and a positioning step 414 for positioning the installation position of the pushing block 21 during assembly is formed on the wall of the groove bottom of the accommodating through groove 41; the other end of the second avoiding curved surface 412 extends into the edge of the notch of the accommodating through groove 41, and a limit stop 413 is concavely formed on the edge of the notch of the accommodating through groove 41;
the limit stop 413, the second deforming part 512 and the other end of the elastic damping element 51 are surrounded to form a limit groove.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a rotating connection device according to an embodiment of the present invention in a state that a box cover is completely opened. Fig. 5 has a portion of the outer structure cut away for ease of illustration.
When the box cover is opened to the maximum angle allowing opening, namely the box cover is in a completely opened state, the pushing block 21 is clamped in the limiting groove, the box cover cannot be further opened, the box cover can only rotate to the set angle, and meanwhile the box cover cannot shake in the state.
Specifically, referring to fig. 2, the mounting bracket 40 and the deformation bracket 50 are fixedly connected by a fixing member 30;
the deformation bracket 50 is provided with a fixed connecting hole 52; the mounting bracket 40 is provided with a connecting through hole 42 corresponding to the position of the fixing connecting hole 52;
the fixing member 30 passes through the coupling through-hole 42 and is fixedly coupled to the fixing coupling hole 52.
In this embodiment, the fixing member 30 is a screw, the fixing connection hole 52 is a threaded hole matched with the screw, and the fixing member 30 is threadedly connected to the fixing connection hole 52.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on 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 referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A swivel connection apparatus, comprising: the device comprises a rotating shaft (10) and an upper cover connecting piece (20) sleeved on the rotating shaft (10); the upper cover connecting piece (20) can rotate around the rotating shaft (10) or can rotate along with the rotating shaft (10);
a pushing block (21) is convexly arranged on one side of the upper cover connecting piece (20); and an elastic damping piece (51) used for abutting against the pushing block (21) to provide resistance for the movement of the pushing block (21) is further arranged on the moving path of the pushing block (21).
2. A rotary joint assembly according to claim 1, further comprising a deformable bracket (50);
at least one end of the deformation bracket (50) is provided with the elastic damping piece (51); one end of the elastic damping piece (51) extends towards the direction of the upper cover connecting piece (20);
one side of the elastic damping piece (51) is provided with a damping curved surface for abutting against the pushing block (21).
3. A rotary joint assembly according to claim 2, wherein said deformable support (50) is provided with said elastic damping member (51) at each end thereof; one side of the upper cover connecting piece (20) is convexly provided with two pushing blocks (21) at intervals;
the two elastic damping parts (51) are positioned between the two pushing blocks (21); the damping curved surface is positioned on the opposite sides of the two elastic damping parts (51).
4. A rotary joint apparatus according to claim 3, wherein the elastic damping member (51) is provided with a first deforming part (511) and a second deforming part (512) adjacent to each other in this order from one end thereof toward the other end thereof;
the width of the first deformation part (511) increases in the direction from one end thereof to the other end thereof, and the width of the second deformation part (512) decreases.
5. A rotary joint assembly according to claim 4, wherein a mounting bracket (40) is further provided between the deformation bracket (50) and the upper cover connection member (20); the deformation bracket (50) is fixedly arranged on the mounting bracket (40);
and an accommodating through groove (41) for accommodating the elastic damping piece (51) is formed in the mounting bracket (40) corresponding to the position of the elastic damping piece (51).
6. A rotary joint assembly according to claim 5, wherein said upper cover connecting member (20) is formed with a cylindrical curved surface (23) coaxial with said rotary shaft (10);
the pushing block (21) is convexly arranged on one side of the cylindrical curved surface (23); the other side of the cylindrical curved surface (23) extends outwards to form a box cover mounting part;
an avoiding curved surface is arranged at the edge of a notch at one end of the accommodating through groove (41); the avoidance curved surface comprises a first avoidance curved surface (411) used for avoiding the cylindrical curved surface (23) and a second avoidance curved surface (412) used for avoiding the pushing block (21);
one end of the second avoidance curved surface (412) extends into the accommodating through groove (41), and a positioning step (414) is formed between the second avoidance curved surface and the bottom wall of the accommodating through groove (41); the other end of the second avoiding curved surface (412) extends into the edge of the notch of the accommodating through groove (41), and a limiting stop block (413) is formed on the edge of the notch of the accommodating through groove (41) in a concave mode;
the other ends of the limit stop (413), the second deformation part (512) and the elastic damping piece (51) are encircled to form a limit groove.
7. A rotary joint assembly according to claim 5, further comprising a fixing member (30) for fixedly connecting said mounting bracket (40) and said deformation bracket (50);
the deformation support (50) is provided with a fixed connecting hole (52); a connecting through hole (42) is formed in the mounting bracket (40) at a position corresponding to the fixed connecting hole (52);
the fixing piece (30) penetrates through the connecting through hole (42) and is fixedly connected with the fixing connecting hole (52).
8. An earphone box, comprising a box body and a box cover connected with the box body in an openable and closable manner, characterized by further comprising a rotary connecting device as claimed in any one of claims 1-7;
the other side of the upper cover connecting piece (20) is fixedly connected with the box cover; the rotating shaft (10) and the elastic damping piece (51) are arranged on the box body.
9. The earphone box of claim 8, wherein the box cover has a predetermined closing position;
when the box cover is in the cover closing position, one end of the elastic damping piece (51) is not in contact with the pushing block (21), or one end of the elastic damping piece (51) is in contact with the pushing block (21) but the elastic damping piece (51) is not deformed;
the pushing block (21) moves along one side of the width direction of the elastic damping member (51) during the opening or closing of the box cover.
10. Earphone box according to claim 8, wherein both ends of the rotation shaft (10) are fixedly mounted on the box body, and the upper cover connection member (20) can rotate around the rotation shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123429807.1U CN216626022U (en) | 2021-12-31 | 2021-12-31 | Rotary connecting device and earphone box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123429807.1U CN216626022U (en) | 2021-12-31 | 2021-12-31 | Rotary connecting device and earphone box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216626022U true CN216626022U (en) | 2022-05-27 |
Family
ID=81686491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123429807.1U Active CN216626022U (en) | 2021-12-31 | 2021-12-31 | Rotary connecting device and earphone box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216626022U (en) |
-
2021
- 2021-12-31 CN CN202123429807.1U patent/CN216626022U/en active Active
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