CN220873898U - Wire rod subassembly and expansion dock - Google Patents

Abstract

The application provides a wire component and a docking station, and relates to the technical field of electronic equipment. According to the application, the strain relief structure is arranged on the wire rod of the wire rod assembly and comprises the first bulge and the second bulge which are arranged along the axial direction of the wire rod, the first bulge is arranged in the accommodating cavity, the first bulge and the second bulge are arranged at intervals, the second bulge is in butt joint with the outer surface of the shell to limit, then the clamping piece is arranged in a gap between the first bulge and the second bulge, the first side surface of the clamping piece is in butt joint with the first bulge to limit, and the second side surface of the clamping piece is in butt joint with the inner surface of the shell to limit, so that the strain relief structure is in butt joint with the outer surface and the inner surface of the shell in the axial direction of the wire rod at the same time, no additional clamping seat or screw for fixing is arranged in the shell, more inner space of the shell is avoided, the cost is lower, and the assembly efficiency can be improved.

Description

Wire rod subassembly and expansion dock

Technical Field

The application relates to the technical field of electronic equipment, in particular to a wire component and a docking station.

Background

The external wires of the existing products (such as a docking station or a power strip) are basically clamped by a strain relief structure (STRAIN RELIEF, namely an SR) on the wires and matched with other clamping seats, and the clamping seats are locked by screws and the strain relief structure so as to prevent the wires from loosening. However, the existing fixing method needs to be fixed through additional parts and screws, occupies more space and is high in cost.

Disclosure of utility model

The application provides a wire component and a docking station, and aims to solve the technical problems that the existing wire needs to be fixed by additional parts and screws to enable a strain relief structure to occupy more space and be high in cost.

In one aspect, the present application provides a wire assembly for fixed connection with a housing, an inner surface of the housing enclosing to form a receiving cavity, an outer surface of the housing having a through hole communicating with the receiving cavity, the wire assembly comprising:

A wire, a portion of which passes through the through hole and is located in the accommodating cavity;

A strain relief structure disposed on the wire, the strain relief structure including a first protrusion and a second protrusion disposed along an axial direction of the wire; the first bulge is positioned in the accommodating cavity, the first bulge and the second bulge are arranged at intervals, and the second bulge is in abutting connection with the outer surface of the shell for limiting;

The clamping piece is arranged in the gap between the first bulge and the second bulge, the first side face of the clamping piece is in butt joint limit with the first bulge, and the second side face of the clamping piece is in butt joint limit with the inner surface of the shell.

In one possible implementation manner of the application, the first side surface of the clamping piece is further provided with a protruding part, and the protruding part is in abutting connection with the first protruding part for limiting;

and/or, the clamping piece is an elastic piece.

In one possible implementation manner of the application, the clamping piece comprises a clamping body with a clamping cavity, the shape of the clamping cavity is matched with that of the wire rod, and the clamping body is provided with an opening which is communicated with the clamping cavity and is used for the wire rod to pass through; the width of the opening is smaller than the outer diameter of the wire.

In one possible implementation manner of the present application, the clamping body includes a first end face and a second end face located at two ends of the opening; the first end face is parallel to the second end face;

And/or, the clamping piece further comprises two drawing parts connected with the clamping body, and the two drawing parts are respectively positioned at two ends of the opening.

In one possible implementation manner of the present application, the clamping body includes a first end face and a second end face located at two ends of the opening; the boss extends from the first end face to the second end face along the first side face of the clamping piece.

In a possible implementation manner of the present application, the strain relief structure further includes a third protrusion, where the third protrusion is disposed on a side of the second protrusion facing the first protrusion, and the third protrusion is adapted to the through hole.

In one possible implementation manner of the present application, the strain relief structure further includes a fool-proof protrusion disposed on the third protrusion, and a fool-proof hole adapted to the fool-proof protrusion is disposed on an outer surface of the housing, and the fool-proof hole is communicated with the through hole.

In one possible implementation manner of the present application, the outer surface of the first protrusion includes two cambered surfaces that are oppositely disposed, and at least one flat surface that connects the two cambered surfaces;

And/or the shell is provided with an abutting protrusion extending towards the through hole, and the second protrusion is in abutting limit with the abutting protrusion.

In one possible implementation of the application, the outer surface of the housing comprises a first outer surface of the abutment projection and a second outer surface remote from the abutment projection;

a side surface of the second protrusion remote from the second protrusion is flush with the second outer surface.

The second aspect of the application provides a docking station, which comprises a shell and the wire component.

According to the application, the strain relief structure is arranged on the wire rod of the wire rod assembly and comprises the first bulge and the second bulge which are arranged along the axial direction of the wire rod, the first bulge is arranged in the accommodating cavity, the first bulge and the second bulge are arranged at intervals, the second bulge is in butt joint with the outer surface of the shell to limit, then the clamping piece is arranged in a gap between the first bulge and the second bulge, the first side surface of the clamping piece is in butt joint with the first bulge to limit, and the second side surface of the clamping piece is in butt joint with the inner surface of the shell to limit, so that the strain relief structure is in butt joint with the outer surface and the inner surface of the shell in the axial direction of the wire rod at the same time, no additional clamping seat or screw for fixing is arranged in the shell, more inner space of the shell is avoided, the cost is lower, and the assembly efficiency can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of one embodiment of a docking station provided by an embodiment of the present application;

FIG. 2 is a first exploded schematic view of one embodiment of a docking station provided by an embodiment of the present application;

FIG. 3 is a schematic view of a strain relief structure of one embodiment of a docking station provided by embodiments of the present application;

FIG. 4 is a second exploded view of one embodiment of a docking station provided by embodiments of the present application;

FIG. 5 is a schematic view of a clip of one embodiment of a docking station provided by embodiments of the present application;

FIG. 6 is a first cross-sectional schematic view of one embodiment of a docking station provided by an embodiment of the present application;

FIG. 7 is a schematic illustration of a housing, strain relief structure, and clip mating with one embodiment of a docking station provided by embodiments of the present application;

fig. 8 is a second cross-sectional schematic view of one embodiment of a docking station provided by an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present utility model may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the utility model with unnecessary detail. Thus, the present utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

The embodiment of the application provides a wire component which can be applied to wire connecting structures such as a docking station and a power strip, and is described below by taking the docking station as an example.

Referring to fig. 1 to 8, an embodiment of the present application provides a docking station, which includes a housing 1, a wire 2, a strain relief structure 3, and a clamping member 4.

Wherein, the inner surface of the shell 1 is enclosed to form a containing cavity 11, and the outer surface of the shell 1 is provided with a through hole 12 communicated with the containing cavity 11; a portion of the wire 2 is located in the accommodation chamber 11 through the through hole 12.

Wherein the strain relief structure 3 is provided on the wire 2, the strain relief structure 3 comprising a first protrusion 31, a third protrusion 32 and a second protrusion 33 provided along the axial direction of the wire 2; the first protrusion 31 is located in the accommodating cavity 11, the second protrusion 33 and the third protrusion 32 are located in the through hole 12, the first protrusion 31 and the third protrusion 32 are arranged at intervals, and the second protrusion 33 is located at one side of the third protrusion 32 away from the first protrusion 31 and is in abutting limit with the outer surface of the shell 1.

The clamping piece 4 is disposed in a gap between the first protrusion 31 and the third protrusion 32, a first side surface of the clamping piece 4 is in contact with a surface of the first protrusion 31 facing the third protrusion 32, and a second side surface of the clamping piece 4 is in contact with an inner surface of the housing 1.

It should be noted that, according to the application, the second protrusion 33 on the strain relief structure 3 is in abutting limit with the outer surface of the housing 1, and then the first side surface of the clamping piece 4 is in abutting limit with the first protrusion 31, and the second side surface of the clamping piece 4 is in abutting limit with the inner surface of the housing 1, so that the strain relief structure 3 is in abutting limit with the outer surface and the inner surface of the housing 1 at the same time in the axial direction of the wire rod 2, the strain relief structure 3 and the housing 1 can be fastened, the wire rod 2 is further fixed, no additional clamping seat or screw for fixing is required to be arranged in the housing 1, more inner space of the housing 1 is prevented from being occupied, the cost is low, and the assembly efficiency can be improved.

In some embodiments, referring to fig. 2, the housing 1 includes an upper case and a lower case connected to each other, and the upper case may be a rectangular parallelepiped-like case having a bottom case and four side cases disposed around the periphery of the bottom case, through which the receiving chamber 11 is surrounded, and through holes 12 are disposed in one of the side cases. The lower case may be a plate-shaped case and is connected to four side cases to close the receiving chamber 11. Of course, in other embodiments, the upper shell and the lower shell may have other shapes, for example, the upper shell and the lower shell may each be a connectable U-shaped shell, and the present application is not limited herein.

In some embodiments, the docking station further has a circuit board disposed in the accommodating cavity 11 and a plurality of expansion ports connected to the circuit board, and the wire 2 extending into the accommodating cavity 11 may be connected to the circuit board, and the circuit board has a signal conversion circuit and a power circuit, so that the plurality of expansion ports respectively charge the ports, USB (universal serial bus) ports, HDMI (high definition multimedia interface) ports, and the like, and can provide a mobile device with a rich expansion function. Furthermore, the end of the wire 2 located outside the housing 1 may be connected to a plug-in port, such as a USB port, which may have a fool-proof effect, being inserted into the mobile device only from one direction, in order to be connected to the mobile device.

In some embodiments, the clamping member 4 has elasticity, for example, the clamping member 4 may be a clamp spring or other elastic component, when the clamping member 4 is disposed in the gap between the first protrusion 31 and the third protrusion 32, the first protrusion 31 and the housing 1 have a pressing action on the clamping member 4, so that the elastic force of the clamping member 4 acts on the first protrusion 31 and the housing 1 to further improve the fastening effect between the strain relief structure 3 and the housing 1.

In addition, the clamping member 4 may be made of metal, such as steel, copper or other metal materials, so as to improve the strength of the clamping member 4.

In some embodiments, referring to fig. 3 and 7, the distance between the first protrusion 31 of the strain relief structure 3 and the inner surface of the housing 1 is smaller than the thickness of the clamping member 4, so as to ensure that the first protrusion 31 and the housing 1 can press the clamping member 4, and further improve the fastening effect between the strain relief structure 3 and the housing 1.

In some embodiments, referring to fig. 5 and 7, the first side surface of the clamping member 4 is further provided with a protrusion 5, and the protrusion 5 abuts against the first protrusion 31 to limit. When the clamping piece 4 is arranged in the gap between the first bulge 31 and the third bulge 32, the bulge 5 on the clamping piece 4 is abutted to limit the first bulge 31, so that the first bulge 31 receives larger acting force in the axial direction of the wire 2, and the fastening effect between the strain relief structure 3 and the shell 1 is further improved. Of course, in other embodiments, the protruding portion 5 may be provided on both the first side and the second side of the fastening member 4, or only the protruding portion 5 may be provided on the second side of the fastening member 4, so long as the fastening effect between the strain relief structure 3 and the housing 1 can be further improved.

In some embodiments, referring to fig. 5, 7 and 8, the clamping member 4 includes a clamping body 42 having a clamping cavity 41, the clamping cavity 41 is shaped to fit the shape of the wire 2, the clamping body 42 has an opening 43 communicating with the clamping cavity 41 and used for the wire 2 to pass through, and the width of the opening 43 is smaller than the outer diameter of the wire 2. When the clamping piece 4 is arranged in the gap between the first bulge 31 and the third bulge 32, the clamping piece 4 is sleeved on the wire rod 2, the shape of the clamping cavity 41 is matched with the shape of the wire rod 2, for example, the cross section of the clamping cavity 41 and the cross section of the wire rod 2 are round, the stability of the clamping piece 4 sleeved on the wire rod 2 can be improved, the width of the opening 43 of the clamping body 42 is smaller than the outer diameter of the wire rod 2, the wire rod 2 can be limited in the clamping cavity 41 after passing through the opening 43, the clamping body 42 and the wire rod 2 are prevented from falling off, and the connection stability of the clamping piece 4 is improved.

In some embodiments, referring to fig. 5, the clamping body 42 includes a first end surface 421 and a second end surface 422 at two ends of the opening 43, the first end surface 421 is parallel to the second end surface 422, so that the opening 43 is a rectangular opening 43, and the wire 2 is easy to pass through the opening 43 smoothly.

In some embodiments, referring to fig. 5 and 7, the clamping body 42 includes a first end surface 421 and a second end surface 422 at two ends of the opening 43, and the protrusion 5 extends from the first end surface 421 to the second end surface 422 along the first side surface of the clamping member 4. That is, the protruding portion 5 substantially covers the first side surface of the clamping member 4, and by increasing the protruding portion 5, the contact area between the protruding portion 5 and the first protrusion 31 of the strain relief structure 3 can be increased, so as to further improve the abutting limiting effect of the clamping member 4 and the strain relief structure 3, and further improve the fastening effect between the strain relief structure 3 and the housing 1.

In some embodiments, referring to fig. 5, the clamping member 4 further includes two pulling portions 44 connected to the clamping body 42, the two pulling portions 44 are respectively located at two ends of the opening 43, and the clamping member 4 can be removed from the wire 2 by pulling the two pulling portions 44 to enlarge the opening 43, so as to release the fastening between the strain relief structure 3 and the housing 1, so as to improve the disassembly efficiency.

In some embodiments, the two drawing portions 44 are provided with detaching holes, so that the two drawing portions 44 can be pulled apart by inserting a tool into the detaching holes, thereby further improving the detaching efficiency.

In some embodiments, referring to fig. 2 and 3, the strain relief structure 3 further includes a fool-proof protrusion 34 disposed on the third protrusion 32, and the outer surface of the housing 1 is provided with a fool-proof hole 13 adapted to the fool-proof protrusion 34, where the fool-proof hole 13 communicates with the through hole 12. During assembly, the third protrusion 32 can be located in the through hole 12 and the first protrusion 31 is located in the accommodating cavity 11 only when the fool-proof protrusion 34 extends into the fool-proof hole 13, otherwise, the fool-proof protrusion 34 can interfere with the housing 1, so that the strain relief structure 3 can extend into the accommodating cavity 11 only in one direction to be matched with the clamping piece 4, the front side and the back side of the wire 2 are ensured to be arranged in one direction all the time, and fool-proof on the front side and the back side of the wire 2 is realized. And, when fool-proof boss 34 stretches into fool-proof hole 13, fool-proof hole 13 is spacing to fool-proof boss 34 butt, can prevent wire rod 2 from taking place the rotation.

In some embodiments, referring to fig. 3, the outer surface (i.e., the circumferential surface) of the first protrusion 31 includes two cambered surfaces 311 disposed opposite to each other, and at least one flat surface 312 connecting the two cambered surfaces 311. Specifically, the first protrusion 31 is generally circular, and a flat surface 312 is respectively disposed on the left and right sides of the first protrusion 31, which can reduce the size of the first protrusion 31 in the radial section, and is beneficial to increasing the size of the first protrusion 31 in the axial direction under the condition of the same material, so as to improve the rigidity of the first protrusion 31 and the structural stability of the docking station.

Further, the structure of the second protrusion 33 is the same as or the same as that of the first protrusion 31, that is, a flat surface is disposed on each of the left and right sides of the second protrusion 33, and one end of the through hole 12 close to the accommodating cavity is the same as the shape of the second protrusion 33. This embodiment is advantageous for preventing the wire 2 from rotating in the through hole by providing the second protrusion 33 and the through hole 12 with the matched flat surface, and for further improving the stability of the docking station.

In some embodiments, referring to fig. 3 and 7, the second protrusion 33 and the third protrusion 32 are generally circular. Specifically, the first protrusion 31, the second protrusion 33, and the third protrusion 32 are concentric circles integrally formed on the wire 2. The radius of the second protrusion is greater than the radii of the first protrusion and the third protrusion. The casing 1 has an abutting protrusion 14 extending towards the through hole 12, that is, the through hole 12 is a stepped hole, the protrusion 14 corresponds to a small hole section of the through hole 12, one side of the protrusion 14 away from the first protrusion 31 corresponds to a large hole section of the through hole 12, the third protrusion 32 is located in the small hole section of the through hole 12, the second protrusion 33 is located in the large hole section of the through hole 12, and the second protrusion 33 abuts against and limits one side of the abutting protrusion 14 away from the first protrusion 31. By providing the abutment projection 14 extending toward the through hole 12 on the housing 1, the first step surface can be formed at the abutment projection 14, the diameter of the second projection 33 is larger than that of the third projection 32, the second projection 33 and the third projection 32 can be formed into the second step surface, the abutment limit between the second projection 33 and the abutment projection 14 is achieved, and the first step surface and the second step surface are mutually matched, so that the abutment limit effect between the strain relief structure 3 and the outer surface of the housing 1 is improved.

In some embodiments, referring to fig. 3 and 7, the outer surface of the housing 1 includes a first outer surface 141 abutting the protrusion 14, and a second outer surface 142 away from the abutting protrusion 14, and a side surface of the second protrusion 33 away from the third protrusion 32 is flush with the second outer surface 142, that is, the second protrusion 33 is also located in the through hole 12, and the housing 1 is flush with the strain relief structure 3 as viewed from the outer surface of the housing 1, so as to improve the aesthetic appearance.

In the foregoing embodiments, the descriptions of the embodiments are focused on, and the portions of one embodiment that are not described in detail in the foregoing embodiments may be referred to in the foregoing detailed description of other embodiments, which are not described herein again.

While the basic concepts have been described above, it will be apparent to those skilled in the art that the foregoing detailed disclosure is by way of example only and is not intended to be limiting. Although not explicitly described herein, various modifications, improvements and adaptations of the application may occur to one skilled in the art. Such modifications, improvements, and modifications are intended to be suggested within the present disclosure, and therefore, such modifications, improvements, and adaptations are intended to be within the spirit and scope of the exemplary embodiments of the present disclosure.

Meanwhile, the present application uses specific words to describe embodiments of the present application. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the application. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the application may be combined as suitable.

Similarly, it should be noted that in order to simplify the description of the present disclosure and thereby aid in understanding one or more inventive embodiments, various features are sometimes grouped together in a single embodiment, figure, or description thereof. This method of disclosure does not imply that the subject utility model requires more features than are set forth in the claims. Indeed, less than all of the features of a single embodiment disclosed above.

Each patent, patent application publication, and other material, such as articles, books, specifications, publications, documents, etc., cited herein is hereby incorporated by reference in its entirety except for any application history file that is inconsistent or otherwise conflict with the present disclosure, which places the broadest scope of the claims in this application (whether presently or after it is attached to this application). It is noted that the description, definition, and/or use of the term in the appended claims controls the description, definition, and/or use of the term in this application if the description, definition, and/or use of the term in the appended claims does not conform to or conflict with the present disclosure.

The above describes in detail a wire assembly and a docking station provided by the embodiments of the present utility model, and specific examples are applied herein to illustrate the principles and embodiments of the present utility model, and the description of the above embodiments is only for helping to understand the method and core ideas of the present utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present utility model, the present description should not be construed as limiting the present utility model.

Claims (10)

1. A wire assembly for with shell fixed connection, the internal surface of shell encloses and closes and form and hold the chamber, the surface of shell have with hold the through-hole that the chamber communicates, its characterized in that, the wire assembly includes:

A wire, a portion of which passes through the through hole and is located in the accommodating cavity;

A strain relief structure disposed on the wire, the strain relief structure including a first protrusion and a second protrusion disposed along an axial direction of the wire; the first bulge is positioned in the accommodating cavity, the first bulge and the second bulge are arranged at intervals, and the second bulge is in abutting connection with the outer surface of the shell for limiting;

The clamping piece is arranged in the gap between the first bulge and the second bulge, the first side face of the clamping piece is in butt joint limit with the first bulge, and the second side face of the clamping piece is in butt joint limit with the inner surface of the shell.

2. The wire assembly of claim 1, wherein the first side of the clip further comprises a boss, the boss being limited by abutment with the first boss;

and/or, the clamping piece is an elastic piece.

3. The wire assembly of claim 2, wherein the clamping member comprises a clamping body having a clamping cavity, the clamping cavity being shaped to fit the shape of the wire, the clamping body having an opening therein in communication with the clamping cavity for the wire to pass through; the width of the opening is smaller than the outer diameter of the wire.

4. The wire assembly of claim 3, wherein the clamping body includes a first end face and a second end face at opposite ends of the opening; the first end face is parallel to the second end face;

And/or, the clamping piece further comprises two drawing parts connected with the clamping body, and the two drawing parts are respectively positioned at two ends of the opening.

5. The wire assembly of claim 3, wherein the clamping body includes a first end face and a second end face at opposite ends of the opening; the boss extends from the first end face to the second end face along the first side face of the clamping piece.

6. The wire assembly of any one of claims 1-5, wherein the strain relief structure further comprises a third protrusion disposed on a side of the second protrusion facing the first protrusion, the third protrusion being adapted to the through-hole.

7. The wire assembly of claim 6, wherein the strain relief structure further comprises a fool-proof protrusion disposed on the third protrusion, the outer surface of the housing having a fool-proof aperture adapted to the fool-proof protrusion, the fool-proof aperture in communication with the through-hole.

8. The wire assembly of any one of claims 1 to 5, wherein the outer surface of the first protrusion comprises two oppositely disposed arcuate surfaces, and at least one planar surface connecting the two arcuate surfaces;

And/or the shell is provided with an abutting protrusion extending towards the through hole, and the second protrusion is in abutting limit with the abutting protrusion.

9. The wire assembly of claim 8, wherein the outer surface of the housing comprises a first outer surface of the abutment projection and a second outer surface distal from the abutment projection;

a side surface of the second protrusion remote from the second protrusion is flush with the second outer surface.

10. A docking station comprising a housing and the wire assembly of any one of claims 1 to 9.