CN214755648U - Charging box connecting shaft and charging box - Google Patents
Charging box connecting shaft and charging box Download PDFInfo
- Publication number
- CN214755648U CN214755648U CN202120923235.3U CN202120923235U CN214755648U CN 214755648 U CN214755648 U CN 214755648U CN 202120923235 U CN202120923235 U CN 202120923235U CN 214755648 U CN214755648 U CN 214755648U
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- connecting shaft
- shaft body
- strip
- charging box
- charging
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Abstract
The utility model relates to the technical field of charging boxes, in particular to a charging box connecting shaft and a charging box, wherein the charging box connecting shaft comprises a connecting shaft body and a strip-shaped bulge part, and the connecting shaft body is columnar; the plurality of strip-shaped convex parts are circumferentially arranged on the connecting shaft body at intervals; the extending direction of the strip-shaped protruding part is consistent with the extending direction of the connecting shaft body, and the length dimension of the strip-shaped protruding part is smaller than that of the connecting shaft body. The utility model discloses a setting of strip bellying reduces the downthehole face fit area of connecting axle body and charging seat, can effectively avoid the connecting hole of charging seat by the crowded problem that bursts, improves the yields of product, reduces the tolerance requirement of part, improves the interchangeability of part, reduces product cost.
Description
Technical Field
The utility model relates to a box technical field charges especially relates to a box connecting axle and the box that charges charge.
Background
Along with the rapid development of earphone technology, wireless earphones are more and more liked by people because the advantages of wearing convenience, not hindering human activities and the like are compared with traditional wired earphones. In use, the wireless headset requires a charging box to charge it.
In the prior art, the interference fit structure of the rotating shaft of the charging box mostly adopts surface-to-surface fit, that is, the circular surface of the steel shaft is matched with the inner surface of the connecting hole of the charging seat made of plastic materials.
This kind of structure is totally feasible in theory, but in the actual production process, because size precision management and control is relatively poor, often produces the too much condition of interference volume of steel axle and charging seat, leads to the connecting hole of charging seat to be crowded to explode by the steel axle and appear the crack in the installation, influences function and pleasing to the eye.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a box connecting axle and the box that charges charge to solve because the size precision management and control is relatively poor, produce the too much condition of interference volume of steel axle and charging seat, lead to the connecting hole of charging seat to be crowded to explode by the steel axle and appear the crack in the installation, and then influence the function of the box that charges and pleasing to the eye problem.
In order to achieve the purpose, the utility model adopts the following technical proposal:
in one aspect, the utility model provides a box connecting axle charges, this box connecting axle that charges includes:
the connecting shaft body is columnar;
the plurality of strip-shaped convex parts are circumferentially arranged on the connecting shaft body at intervals; the extending direction of the strip-shaped protruding portion is consistent with the extending direction of the connecting shaft body, and the length size of the strip-shaped protruding portion is smaller than that of the connecting shaft body.
As a preferred scheme of the connecting shaft of the charging box, at least one end of each of two ends of the strip-shaped protruding portion is provided with an inclined surface, and the inclined surfaces incline towards one end of the connecting shaft body along a direction close to the axis of the connecting shaft body.
As a preferred scheme of the connecting shaft of the charging box, chamfers are arranged at the joints of the two sides of the strip-shaped protruding part along the length direction and the connecting shaft body.
As a preferred scheme of the connecting shaft of the charging box, the connecting shaft body is a cylinder.
As a preferred scheme of the connecting shaft of the charging box, the strip-shaped protruding part and the connecting shaft body are integrally formed.
As a preferred scheme of the connecting shaft of the charging box, the strip-shaped convex parts are prepared through a fingerprint knurling process.
As a preferable scheme of the connecting shaft of the charging box, the connecting shaft body is made of steel.
As a preferable scheme of the charging box connecting shaft, the number of the strip-shaped convex parts is more than or equal to two.
As a preferable scheme of the connecting shaft of the charging box, the length of the strip-shaped protruding part is 1/3-1/2 of the length of the connecting shaft body, and the strip-shaped protruding part is located in the middle of the connecting shaft body.
On the other hand, the utility model provides a charging box, including charging seat, flip and in any one of the above-mentioned technical scheme the box connecting axle that charges, the connecting axle body is equipped with the part of strip bellying with the charging seat is pegged graft and interference fit, the connecting axle body is not equipped with the part of strip bellying with flip rotates to be connected.
The utility model has the advantages that:
the utility model provides a connecting shaft of a charging box, which comprises a connecting shaft body and a strip-shaped bulge, wherein the connecting shaft body is columnar; the plurality of strip-shaped convex parts are circumferentially arranged on the connecting shaft body at intervals; the extending direction of the strip-shaped protruding part is consistent with the extending direction of the connecting shaft body, and the length dimension of the strip-shaped protruding part is smaller than that of the connecting shaft body. The arrangement of the strip-shaped protruding parts can reduce the hole inner surface matching area of the connecting shaft body and the charging seat, effectively avoid the bursting problem of the connecting part of the charging seat, improve the product yield, reduce the tolerance requirement of parts, improve the interchange performance of the parts and reduce the product cost.
Drawings
Fig. 1 is a schematic structural view of a connecting shaft of a charging box according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the charging box in the embodiment of the present invention.
In the figure:
100. a charging seat; 200. a cover is turned;
1. a connecting shaft body;
11. a strip-shaped convex part; 111. a bevel; 112. and (6) chamfering.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning 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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1, the present embodiment provides a charging box connecting shaft, which includes a connecting shaft body 1 and a strip-shaped protruding portion 11, wherein the connecting shaft body 1 is in a cylindrical shape; the plurality of strip-shaped convex parts 11 are circumferentially arranged on the connecting shaft body 1 at intervals; the extending direction of the strip-shaped protruding part 11 is consistent with the extending direction of the connecting shaft body 1, and the length dimension of the strip-shaped protruding part 11 is smaller than that of the connecting shaft body 1.
In this embodiment, the setting of the strip-shaped protruding portion 11 reduces the hole inner surface matching area of the connecting shaft body 1 and the charging seat 100 made of plastic material, so that the problem of bursting at the joint of the charging seat 100 can be effectively avoided, the yield of products is improved, the tolerance requirement of parts is reduced, the interchanging performance of the parts is improved, and the product cost is reduced.
In this embodiment, preferably, at least one end of each of the two ends of the bar-shaped protrusion 11 is provided with an inclined surface 111, and the inclined surface 111 inclines toward one end of the connecting shaft body 1 along a direction close to the axis of the connecting shaft body 1. This setting makes it comparatively easy when connecting axle body 1 that will be equipped with strip bellying 11 department cooperates with charging seat 100, improves cooperation efficiency.
Preferably, both ends of the bar-shaped protrusion 11 are provided with inclined surfaces 111, and the two inclined surfaces 111 are inclined toward both ends of the connecting shaft body 1 respectively in a direction close to the axis of the connecting shaft body 1. This setting makes the both ends of connecting axle body 1 all can with the cooperation of charging seat 100, has further improved cooperation efficiency.
Optionally, the connecting portions of the two sides of the strip-shaped protruding portion 11 in the length direction and the connecting shaft body 1 are provided with chamfers 112. The above arrangement makes the bar-shaped protrusions 11 easy to manufacture and high in strength.
In an embodiment, optionally, the connecting shaft body 1 is a cylinder. Easily available materials and low cost. Further, both ends of the connecting shaft body 1 are rounded. The device has guiding function and is convenient to use.
Further, the strip-shaped protruding portion 11 and the connecting shaft body 1 are integrally formed. This setting has improved design and production efficiency.
Regarding the preparation of the stripe-shaped convex portion 11, in the present embodiment, optionally, the stripe-shaped convex portion 11 is prepared by a fingerprint knurling process.
Preferably, the connecting shaft body 1 is made of steel. The selection of the steel material makes the connecting shaft body 1 firm and durable, and the cost is lower.
In other embodiments, optionally, the connecting shaft body 1 has a prism structure, and in this case, the strip-shaped protruding portion 11 is disposed at each edge of the prism. The production is more convenient. In addition, the ridges of the prism may be used as the stripe-shaped projections 11. The ridges at both ends of the prism are cut off by a turning process. Simple structure and easy production.
Regarding the number of the bar-shaped protrusions 11, in the present embodiment, specifically, the number of the bar-shaped protrusions 11 is two or more. Preferably, the number of the bar-shaped protrusions 11 is 4. Of course, in other embodiments, the number of the bar-shaped protrusions 11 may also be 5, 6 or more, and as long as there is a gap between each of the bar-shaped protrusions 11, the risk of bursting at the connection portion of the charging stand 100 can be reduced.
The length of the bar-shaped protrusion 11 needs to be designed according to the depth of the hole of the charging stand 100, and in this embodiment, the length of the bar-shaped protrusion 11 is preferably 1/3-1/2 of the length of the connecting shaft body 1. Specifically, the length of the bar-shaped protrusion 11 is 1/2 of the length of the connecting shaft body 1, and is located in the middle of the connecting shaft body 1. Of course, in other embodiments, the bar-shaped protrusion 11 is disposed at one end of the connecting shaft body 1 connected to the charging stand 100.
As shown in fig. 2, the present embodiment further provides a charging box, which includes a charging seat 100, a flip cover 200 and a connecting shaft of the charging box in any one of the above technical solutions, wherein a portion of the connecting shaft body 1 provided with the strip-shaped protruding portion 11 is inserted into and interference-fitted with the charging seat 100 made of plastic material, and a portion of the connecting shaft body 1 not provided with the strip-shaped protruding portion 11 is rotatably connected with the flip cover 200.
Specifically, the charging base 100 is provided with two first connecting holes, the flip cover 200 is provided with two second connecting holes, the two first connecting holes and the two second connecting holes are in one-to-one correspondence, two connecting shaft bodies 1 are connected between the charging base 100 and the flip cover 200, and two ends of the connecting shaft body 1 are connected with the first connecting holes and the second connecting holes respectively.
It is obvious that the above embodiments of the present invention are only 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 (10)
1. A charging box connecting shaft, comprising:
the connecting shaft comprises a connecting shaft body (1), wherein the connecting shaft body (1) is columnar;
the strip-shaped protruding parts (11) are circumferentially arranged on the connecting shaft body (1) at intervals; the extending direction of the strip-shaped protruding portion (11) is consistent with the extending direction of the connecting shaft body (1), and the length dimension of the strip-shaped protruding portion (11) is smaller than that of the connecting shaft body (1).
2. The connecting shaft for a charging box according to claim 1, wherein at least one end of each of the two ends of the strip-shaped protrusion (11) is provided with an inclined surface (111), and the inclined surface (111) is inclined toward one end of the connecting shaft body (1) in a direction close to the axial center of the connecting shaft body (1).
3. The connecting shaft for a charging box according to claim 1, wherein the connecting part of the connecting shaft body (1) and both sides of the strip-shaped protruding part (11) along the length direction are provided with chamfers (112).
4. A charging box connecting shaft according to any one of claims 1 to 3, wherein the connecting shaft body (1) is cylindrical.
5. The connecting shaft for a charging box according to claim 4, wherein the bar-shaped protrusion (11) is integrally formed with the connecting shaft body (1).
6. Connecting shaft for a charging box according to claim 5, characterized in that said strip-shaped protrusions (11) are made by means of a fingerprint knurling process.
7. Charging box connecting shaft according to claim 1, characterized in that the connecting shaft body (1) is made of steel.
8. A charging box connecting shaft according to claim 1, wherein the number of the strip-shaped protrusions (11) is two or more.
9. The connecting shaft of a charging box according to claim 1, wherein the length of the bar-shaped protrusion (11) is 1/3-1/2 of the length of the connecting shaft body (1), and is located at the middle position of the connecting shaft body (1).
10. The charging box is characterized by comprising a charging seat (100), a turnover cover (200) and the connecting shaft of the charging box as claimed in any one of claims 1 to 9, wherein the part of the connecting shaft body (1) provided with the strip-shaped protruding part (11) is inserted into the charging seat (100) and is in interference fit with the charging seat, and the part of the connecting shaft body (1) not provided with the strip-shaped protruding part (11) is rotationally connected with the turnover cover (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120923235.3U CN214755648U (en) | 2021-04-30 | 2021-04-30 | Charging box connecting shaft and charging box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120923235.3U CN214755648U (en) | 2021-04-30 | 2021-04-30 | Charging box connecting shaft and charging box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214755648U true CN214755648U (en) | 2021-11-16 |
Family
ID=78615630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120923235.3U Active CN214755648U (en) | 2021-04-30 | 2021-04-30 | Charging box connecting shaft and charging box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214755648U (en) |
-
2021
- 2021-04-30 CN CN202120923235.3U patent/CN214755648U/en active Active
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