CN214850310U

CN214850310U - Wire harness fixing assembly, electric connecting device and electric device

Info

Publication number: CN214850310U
Application number: CN202120878711.4U
Authority: CN
Inventors: 张熊
Original assignee: Dongguan Poweramp Technology Ltd
Current assignee: Dongguan Poweramp Technology Ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-23
Anticipated expiration: 2031-04-26

Abstract

The application provides a fixed subassembly of pencil, includes pencil and fixed subassembly. The wire harness includes a first wire harness and a second wire harness. The fixing component comprises a limiting part, a bracket and a fastener. The locating part is equipped with the through-hole, and the pencil passes the through-hole. The wire harness is partially arranged on the first side of the limiting piece and partially arranged on the second side of the limiting piece. The bracket is arranged on the first side of the limiting part and comprises a first extending part, a second extending part and a connecting part, wherein the first extending part and the second extending part are arranged oppositely, the connecting part penetrates through the wire harness, the connecting part is positioned between the first wire harness and the second wire harness, and the first extending part and the second extending part are connected to the limiting part. The fastener sets up in the support and keeps away from one side of locating part, and the fastener is fixed with first pencil and second pencil. The application also provides an electric connection device and an electric device comprising the wire harness fixing assembly. The wire harness can be limited from being pulled out in the mounting, dismounting and carrying processes, and damage to internal elements of the electric connection device and the wire harness is reduced.

Description

Wire harness fixing assembly, electric connecting device and electric device

Technical Field

The application relates to the field of electrochemistry, in particular to a wire harness fixing assembly, an electric connection device and an electric device.

Background

Some current electric devices include two or more battery packs, and the battery packs are connected in series through a wire harness. In the process of installing, disassembling and carrying the battery pack, the wire harness is pulled, lifted and the like, so that the wire harness is easily pulled out, and the battery pack is damaged.

SUMMERY OF THE UTILITY MODEL

For improving above-mentioned prior art's problem, this application provides the fixed subassembly of pencil, electric connection device and with electric installation that can reduce the damage during the atress.

One aspect of the present application provides a wire harness fixing assembly including a wire harness and a fixing assembly. The wire harness includes a first wire harness and a second wire harness. The fixing assembly comprises a limiting part, a support and a fastening part. The limiting part is provided with a through hole, the wire harness penetrates through the through hole, the wire harness part is arranged on the first side of the limiting part, and the wire harness part is arranged on the second side of the limiting part. The bracket is arranged on a first side of the limiting part and comprises a first extending part and a second extending part which are arranged oppositely and a connecting part connected between the first extending part and the second extending part, the connecting part penetrates through the wire harness and is positioned between the first wire harness and the second wire harness, and the first extending part and the second extending part are connected to the limiting part. The fastener is arranged on one side, far away from the limiting part, of the support, and the first wire harness and the second wire harness are fixed through the fastener.

In the above embodiment, the fixing assembly fixes the wire harness and the housing to limit an external force applied to the wire harness, thereby reducing damage to the wire harness. For example, the user can be better restricted from pulling the wire harness from the outside of the housing, and the damage of the assembly caused by pulling the wire harness is reduced. Further, damage to internal components of the electrical connection device and the wire harness is reduced

In some embodiments of the present application, the wire harness fixing assembly further includes an insulating member, the insulating member passes through the through hole and is in the through hole and the limiting member are connected, the insulating member includes a first portion disposed on a first side of the limiting member, a second portion disposed on a second side of the limiting member and a third portion disposed on the through hole, and the first side and the second side are disposed opposite to each other.

In some embodiments of the present application, the first portion has an outer diameter less than a diameter of the through-hole and the second portion has an outer diameter greater than the diameter of the through-hole to restrict passage of the second portion through the through-hole. In some embodiments of the present application, a first concave portion is disposed outside the third portion of the insulating member, and the position-limiting member is at least partially located in the first concave portion.

In the above embodiment, the first portion can pass through the through hole from the first side of the limiting member and then be disposed on the second side of the limiting member, and the second portion cannot pass through the through hole, so as to assist in positioning and fixing the wire harness fixing device. Furthermore, a first concave part is arranged on the third part, and the limiting part and the insulating part are tightly fixed.

In some embodiments of the present application, the insulator includes a first insulator and a second insulator connected to each other, and the first insulator and the second insulator collectively surround the wire harness.

In some embodiments of the present application, the first insulating member and the second insulating member are fixed in a first direction, the first insulating member includes a convex portion provided toward the second insulating member along both ends of a first concave portion, and the second insulating member is provided with a second concave portion fitted with the convex portion.

In some embodiments of the present application, the first extension and the second extension are respectively located on an outer side of the insulator away from the wire harness.

In some embodiments of the present application, the first extension portion and the second extension portion may be connected to the limiting member in a contact manner, so as to facilitate transmission of the acting force applied to the connecting portion to the limiting member.

In some embodiments of the present application, the position-limiting member includes a recess, and the first extending portion and the second extending portion are disposed in the recess.

In the above embodiment, the concave portion disposed on the limiting member can better reduce the movement of the first extending portion and the second extending portion on the surface of the limiting member when the first extending portion and the second extending portion are stressed, and has better stability.

In some embodiments of the present application, the yield strength of the scaffold is greater than 52 Mpa.

In some embodiments of the present application, the wire harness fixing assembly further includes rubberized fabrics wrapping peripheries of the first wire harness and the second wire harness, respectively.

In some embodiments of the present application, the wire harness fixing assembly further includes a sleeve, and the sleeve is disposed outside the wire harness in a covering manner and located on a side of the bracket away from the fastener.

In the above embodiment, by providing the sleeve, the wire harness can be kept gathered and tightened on the side of the connecting portion adjacent to the limiting member.

In some embodiments of the present application, the number of wires included in the first wire harness and the number of wires included in the second wire harness may be equal.

In the above embodiment, the first wire harness and the second wire harness are provided with the same number of wires, which is beneficial for the first wire harness and the second wire harness to receive uniform force.

One aspect of the application provides an electric connection device, electric connection device includes the casing and locates the subassembly in the casing, electric connection device adopts foretell fixed subassembly of pencil, fixed subassembly is located the casing, pencil one end connect in the subassembly, the other end of pencil extends outside the casing.

In some embodiments of the present application, the electrical connection device includes a battery pack, the assembly includes a battery module and a circuit board, and one end of the wire harness is connected to the circuit board.

In some embodiments of the present application, the limiting member is detachably disposed on the housing, or the limiting member and the housing are integrally formed.

One aspect of the present application provides an electric device comprising the above-mentioned electric connection device.

In the fixed subassembly of pencil of this application, the support passes the pencil is in order to share the effort that the pencil received, the fastener is in one side that the locating part was kept away from to the support tightens up the pencil, the pencil is difficult to be pulled out by external force, can reduce the pencil and damage, to adopting the fixed subassembly's of pencil electric connection device can reduce subassembly such as circuit board, battery module and take place to damage. The electric connection device and the electric device adopt the wiring harness fixing assembly, so that the reduction damage can be better in the installation, disassembly, carrying and other processes.

Drawings

Fig. 1 and 2 are perspective views illustrating one embodiment of a wire harness fixing assembly applied to a battery pack according to the present application;

FIGS. 3 and 4 are partially schematic perspective views of the wire harness fixing assembly shown in FIG. 1, including an insulator;

FIG. 5 is a partially exploded perspective view of the wire harness securing assembly shown in FIG. 4;

FIG. 6 is a partial cross-sectional schematic view of the wire harness securing assembly shown in FIG. 4;

fig. 7 is a perspective view of the insulator of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, it should be noted that, unless explicitly stated or limited otherwise, 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; either mechanically or electrically or in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship or combination of two or more elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. The disclosure of the present application provides many different embodiments or examples for implementing different configurations of the present application. In order to simplify the disclosure of the present application, only the components and settings of a specific example are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, which are repeated for purposes of simplicity and clarity and do not in themselves dictate a particular relationship between the various embodiments and/or configurations discussed.

Referring to fig. 1 and 2, a wire harness fixing assembly 100 according to an embodiment of the present application is illustrated in a perspective view in different orientations, the wire harness fixing assembly 100 including a fixing assembly 10 and a wire harness 20. The wire harness fixing member 100 is provided to an electrical connection device including a housing 101, the wire harness 20 passing through the housing 101, a part of the wire harness 20 being provided to one side of the housing 101, and a part of the wire harness 20 being provided to the other side of the housing 101 opposite to the one side. The fixing assembly 10 fixes the wire harness 20 and the housing 101, limits an external force applied to the wire harness 20, and reduces damage to the wire harness 20. For example, the user is restricted from pulling the wire harness 20 from outside the housing 101.

In this embodiment, the wire harness fixing member 100 is applied to one battery pack 1.

Fig. 3 and 4 are perspective views of a portion of the wire harness fixing assembly 100. Fig. 5 is a partially exploded perspective view of the wire harness fixing assembly 100. The fixing assembly 10 includes a limiting member 11, a bracket 12 and a fastening member 13. For convenience of description, as shown in the drawings, the wire harness fixing member 100 is defined to have a width direction along the X direction, a length direction along the Y direction, and a height direction along the Z direction. The X direction, the Y direction and the Z direction are mutually vertical.

The limiting member 11 is provided with a through hole 102. The wire harness 20 passes through the through hole, a part of the wire harness 20 is located on a first side of the limiting member 11, a part of the wire harness 20 is located on a second side of the limiting member 11, and the first side and the second side are oppositely arranged on two sides of the limiting member 11 along the Y direction.

Optionally, in some embodiments, the limiting member 11 may be a part of a housing of the battery pack 1 or the limiting member 11 may be disposed on the housing 101 of the battery pack 1, for example, the limiting member 11 is fixed to the housing 101 of the battery pack 1 by a screw or the like. The first side of the limiting member 11 is, for example and without limitation, the inner side of the battery pack 1, and the second side of the limiting member 11 is, for example and without limitation, the outer side of the battery pack 2.

The bracket 12 includes a first extension 121 and a second extension 122 disposed opposite to each other, and a connecting portion 123 connected between the first extension 121 and the second extension 122. The connection portion 123 passes through the wire harness 20. Alternatively, in some embodiments, the wire harness 20 includes a first wire harness 21 and a second wire harness 22, and the connection portion 123 is located between the first wire harness 21 and the second wire harness 22. The first extension portion 121 and the second extension portion 122 may be connected to the limiting member 11. Alternatively, the first extension portion 121 and the second extension portion 122 may be connected to the limiting member 11 in a contact manner. Optionally, the limiting member 11 includes a recess (not shown), and the first extending portion 121 and the second extending portion 122 are disposed in the recess. As shown in fig. 4 and 5, the connection part 123 may pass through the wire harness 20 in the Z direction such that the first wire harness 21 and the second wire harness 22 are located at both sides of the connection part 123. The first extending portion 121 can be bent and extended to the limiting member 11, and the second extending portion 122 can be bent and extended to the limiting member 11. In the embodiment of the present application, the bracket 12 is disposed on a first side of the limiting member 11. In this embodiment, the number of wires included in the first wire harness 21 and the number of wires included in the second wire harness 22 may be the same, which is advantageous for the first wire harness 21 and the second wire harness 22 to receive uniform force. The first wire harness 21 and the second wire harness 22 may be connected to the same other electrical connection member, for example, the first wire harness 21 and the second wire harness 22 are connected to the same connector. The first wire harness 21 and the second wire harness 22 may be connected to different other electrical connectors, for example, the first wire harness 21 is connected to a circuit board, and the first wire harness 21 is connected to other parts of the battery pack 1, but not limited thereto.

The first extension 121 and the second extension 122 may be disposed opposite to each other substantially along the Z-direction, but the present application does not limit the present invention. The first extending portion 121 and the second extending portion 122 extend from two ends of the connecting portion 123 and are connected to the limiting member 11, in other or modified embodiments of the present application, the extending direction of the first extending portion 121 and/or the second extending portion 122 may be any direction in space, and the positions of the two may also have different settings. The first extending portion 121 is disposed outside the wire harness 20, and the second extending portion 122 is disposed outside the wire harness 20, which is beneficial to further transmitting the acting force applied to the wire harness 20 to the limiting member 11.

In the embodiment of the present application, the bracket 12 may have a U-shaped structure, the yield strength of the bracket 12 may be greater than 52 megapascals (MPa), and the bracket 12 may be able to withstand a large acting force.

In the Y direction, the fastening member 13 is disposed on a side of the bracket 12 away from the limiting member 11. The fastener 13 may be used to fix the first wire harness 21 and the second wire harness 22. The fastening member 13 and the insulating member 14 are provided on opposite sides of the connecting portion 123 in the Y direction. Optionally, in some embodiments, the fastener 13 is, for example, but not limited to, a tie, tape, elastic fastener, or the like.

In the embodiment of the present application, the wire harness fixing assembly 100 may further include an insulating member 14, and the insulating member 14 may pass through the through hole 102 of the limiting member 11 and be connected to the limiting member 11 at the through hole 102. Referring also to fig. 6, a partial cross-sectional view of the wire harness fixing assembly 100 is shown, wherein the cross-section may be a cross-section parallel to the XY plane. The insulating member 14 may be divided into a first portion 141, a second portion 142, and a third portion 143. The first portion 141 is disposed on a first side of the limiting member 11, the second portion 142 is disposed on a second side of the limiting member 11, and the third portion 143 is disposed at a through hole of the limiting member 11.

Optionally, in some embodiments, the outer diameter of the first portion 141 is smaller than the bore diameter of the through-hole 102. The first portion 141 is disposed on the first side of the limiting member 11 after passing through the through hole 102 from the second side of the limiting member 11. The outer diameter of the second portion 142 is larger than the diameter of the through hole 102 to limit the second portion 142 from passing through the through hole 102. A first concave portion 1431 is provided on the outer side of the third portion 143, and the limiting member 11 is at least partially located at the first concave portion 1431. Further, the insulating member 14 and the limiting member 11 may be in interference connection at the through hole 102. Referring to fig. 5 and 7, the insulating member 14 may include a first insulating member 1401 and a second insulating member 1402, and the first insulating member 1401 and the second insulating member 1402 collectively surround the wire harness 20. In the present embodiment, the first insulating member 1401 and the second insulating member 1402 are fixed in a first direction (the first direction is substantially parallel to the X direction in fig. 5). The first insulator 1401 includes a protrusion 1405 disposed toward the second insulator 1402 along both ends of the first recess 1431 of the third portion 143, the second insulator 1402 may be provided with a second recess 1403 fitted with the protrusion 1405, and the first insulator 1401 and the second insulator 1402 may be fitted and fixed by the protrusion 1405 and the second recess 1403. The insulator 14 may initially fix the wire harness 20 during assembly, and then the stopper 11 applies pressure to the insulator 14 when assembling from the second side to the first side of the stopper 11, so that the first insulator 1401 and the second insulator 1402 further compress the wire harness 20. It should be noted that the above is only one possible embodiment structure of the first portion 141, the second portion 142, and the third portion 143, and the application is not limited thereto.

Specifically, when the wire harness 20 receives a pulling force from the second side of the stopper 11, the connecting portion 123 receives an acting force from the first wire harness 21 and the second wire harness 22, and the acting force is transmitted to the first extending portion 121 and the second extending portion 122 through the connecting portion 123, thereby applying an acting force to the stopper 11. The wire harness 20 is surrounded and compressed by the insulator 14, and the insulator 14 is also subjected to a force from the wire harness 20. The bracket 12 and the fastener 13 conduct the acting force applied to the wire harness 20 to the limiting member 11, so that the acting force applied to the wire harness 20 is reduced, and the damage of the wire harness 20 is reduced. Further, damage to internal components of the electrical connection device and the wire harness is reduced

Optionally, in some embodiments, the wire harness fixing assembly 100 further includes adhesive tapes 23, and the adhesive tapes 23 respectively wrap the peripheries of the first wire harness 21 and the second wire harness 22 to protect the first wire harness 21 and the second wire harness 22 and facilitate installation. Further, the first wire harness 21 and the second wire harness 22 may include one or more wires.

Optionally, in some embodiments, the wire harness fixing assembly further includes a sleeve 24, and the sleeve 24 is disposed on an outer side of the wire harness 20 and located on a side of the bracket 12 away from the fastener 13, so that the wire harness 20 is kept gathered and tightened on a side of the connecting portion 123 adjacent to the limiting member 11.

In this application, support 12 passes pencil 20 is in order to share the effort that pencil 20 received, fastener 13 is in one side that locating part 11 was kept away from to support 12 tightens up pencil 20, pencil 20 is difficult to be pulled out by external force, can reduce the subassembly such as circuit board, battery module in the battery package better and take place to damage. In the process of mounting, dismounting, carrying and the like of the battery pack 1, the damage of the battery pack 1 can be reduced.

Referring to fig. 1 and fig. 2 again, the present application further provides a battery pack 1, where the battery pack 1 includes a battery module 50, a circuit board 60, and a housing 101. The battery module 50 and the circuit board 60 are disposed in the case 101. The battery pack 1 adopts the wire harness fixing assembly 100, and the fixing assembly 10 is arranged on the shell 101. One end of the wire harness 20 is connected to the circuit board 60, and the other end of the wire harness 20 extends out of the housing 101. Optionally, in some embodiments, the limiting member 11 is detachably disposed on the housing. Optionally, in some embodiments, the limiting member 11 is integrally formed with the housing. This is not a limitation of the present application.

The application also provides an electric device, the electric device includes battery package 1. The power utilization device may include, but is not limited to, an unmanned aerial vehicle, a power tool, an energy storage device, an electric bicycle, an electric automobile, and the like.

Although the application has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art based upon a reading and understanding of this specification and the annexed drawings. This application is intended to embrace all such modifications and variations and is limited only by the scope of the appended claims. In particular regard to the various functions performed by the above described components, the terms used to describe such components are intended to correspond, unless otherwise indicated, to any component which performs the specified function of the described component (e.g., that is functionally equivalent), even though not structurally equivalent to the disclosed structure which performs the function in the herein illustrated exemplary implementations of the specification. In addition, while a particular feature of the specification may have been disclosed with respect to only one of several implementations, such feature may be combined with one or more other features of the other implementations as may be desired and advantageous for a given or particular application. Further, it is understood that reference to "a plurality" herein means two or more. For the steps mentioned herein, the numerical suffixes are merely used for clearly expressing the embodiments, and for easy understanding, the order of execution of the steps is not fully represented, and the logical relationship should be set as consideration.

The above-mentioned embodiments are only examples of the present application, and not intended to limit the scope of the present application, and all equivalent structures or equivalent flow transformations made by the contents of the specification and the drawings, such as the combination of technical features between the embodiments and the direct or indirect application to other related technical fields, are also included in the scope of the present application.

Claims

1. A wire harness fixing member includes a wire harness including a first wire harness and a second wire harness, and a fixing member, characterized by comprising:

the limiting piece is provided with a through hole, the wire harness penetrates through the through hole, part of the wire harness is arranged on the first side of the limiting piece, and part of the wire harness is arranged on the second side of the limiting piece;

the bracket is arranged on the first side of the limiting piece and comprises a first extending portion and a second extending portion which are arranged oppositely and a connecting portion connected between the first extending portion and the second extending portion, the connecting portion penetrates through the wire harness, the connecting portion is located between the first wire harness and the second wire harness, and the first extending portion and the second extending portion are connected to the limiting piece;

the fastener is arranged on one side, far away from the limiting part, of the support and fixes the first wire harness and the second wire harness.

2. The wire harness fixing assembly according to claim 1, further comprising an insulating member passing through the through-hole and connected to the limiting member at the through-hole, the insulating member including a first portion provided at a first side of the limiting member, a second portion provided at a second side of the limiting member, and a third portion provided at the through-hole, the first side and the second side being disposed opposite to each other.

3. The wire harness fixing assembly according to claim 2, wherein an outer diameter of the first portion is smaller than a diameter of the through hole, and an outer diameter of the second portion is larger than the diameter of the through hole.

4. The wire harness fixing assembly according to claim 2, wherein a first recess is provided outside the third portion of the insulating member, and the stopper is at least partially located in the first recess.

5. The wire harness securing assembly of claim 2, wherein the insulator includes first and second connected insulator assemblies that collectively enclose the wire harness.

6. The wire harness fixing assembly according to claim 5, wherein the first insulating member and the second insulating member are fixed in a first direction, the first insulating member includes a convex portion provided along both ends of a first concave portion toward the second insulating member, and the second insulating member is provided with a second concave portion fitted with the convex portion.

7. The wire harness fixing assembly according to claim 2, wherein the first extension and the second extension are respectively located on outer sides of the insulating member away from the wire harness.

8. The wire harness securing assembly according to any one of claims 1-7, wherein the yield strength of the bracket is greater than 52 Mpa.

9. The utility model provides an electric connection device, electric connection device includes the casing and locates the subassembly in the casing, its characterized in that: the electric connecting device adopts the wire harness fixing component as claimed in any one of claims 1 to 8, the fixing component is arranged on the shell, one end of the wire harness is connected to the component, and the other end of the wire harness extends out of the shell.

10. The electrical connection device as claimed in claim 9, wherein the retaining member is detachably disposed on the housing, or the retaining member and the housing are integrally formed.

11. The electrical connection device as claimed in claim 10, wherein the electrical connection device comprises a battery pack, the assembly comprises a battery module and a circuit board, and one end of the wire harness is connected to the circuit board.

12. An electric device, characterized in that it comprises an electric connection device according to any one of claims 9 to 11.