CN216055376U - Terminal assembly - Google Patents

Abstract

The application discloses binding post subassembly for connect the wiring end of pencil and electrical apparatus. The binding post subassembly includes binding post, insulating bush, two sealing members, shell and two mountings, wherein, the sinle silk crimping of pencil is in binding post's one end, and with the binding post electricity is connected, insulating bush cover is located the binding post crimping has the one end of sinle silk, and the cover locate with binding post borders on the line skin of pencil, two the sealing member overlaps respectively and locates the outside at the relative both ends of insulating bush, and support respectively and hold the relative both ends of insulating bush, the shell cover is located on insulating bush and two sealing members, two the mounting overlaps respectively and locates the relative both ends of shell, and with shell fixed connection. The wiring terminal subassembly of this application has good waterproof sealing effect, can prevent effectively that water or vapor from passing through the sinle silk permeates the pencil the inside.

Description

Terminal assembly

Technical Field

The utility model relates to the technical field of wiring terminals, in particular to a wiring terminal assembly with a sealing and waterproof effect.

Background

In the conventional terminal, since a gap exists between the wire sheath and the terminal, water or vapor may permeate into the wire core covered by the wire sheath through the gap. And because gaps exist among the wire cores, water or water vapor can permeate into the gaps at one end of the wire harness, and finally permeate to the other end of the wire harness along with the wire cores, so that sealing failure is caused.

Therefore, how to provide a terminal assembly with waterproof sealing function becomes a problem which needs to be solved urgently by technical personnel.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, the present application is directed to a terminal assembly, which utilizes the sealing and waterproof technology of the connection of the wire harness terminals to solve the problem that the conventional terminal has no sealing and waterproof function and water or moisture can permeate into the wire harness through the wire core.

A terminal assembly for connecting a wiring harness to a terminal of an electrical appliance. The binding post subassembly includes binding post, insulating bush, two sealing members, shell and two mountings, wherein, the sinle silk crimping of pencil is in binding post's one end, and with the binding post electricity is connected, insulating bush cover is located the binding post crimping has the one end of sinle silk, and the cover locate with binding post borders on the line skin of pencil, two the sealing member overlaps respectively and locates the outside at the relative both ends of insulating bush, and support respectively and hold the relative both ends of insulating bush, the shell cover is located on insulating bush and two sealing members, two the mounting overlaps respectively and locates the relative both ends of shell, and with shell fixed connection.

Optionally, the connecting terminal includes a connecting portion and a crimping portion, the connecting portion is located one end of the connecting terminal for fixed connection of the wiring end of the electrical appliance, the crimping portion is located the other end opposite to the connecting terminal for fixed connection of the wire core of the wire harness, and the wire core is electrically connected.

Optionally, the terminal further includes a step portion, the step portion is located between the connecting portion and the crimping portion, and top surfaces of the step portion are higher than a plane where the connecting portion and the crimping portion are located.

Optionally, one end of the connecting portion, which is far away from the step portion, is provided with a wiring hole, and the wiring hole is used for wiring.

Optionally, the connecting portion further comprises a sealing surface between the wiring hole and the step portion for cooperating with one of the sealing members.

Optionally, the width of one of the sealing elements is such that the sealing element can be sleeved on the outer side of one end of the insulating bush and the surface of the wire sheath at the same time, and the width of the other sealing element is such that the sealing element can be sleeved on the outer side of the other end of the insulating bush and the sealing surface at the same time.

Optionally, the outer surfaces of the two opposite ends of the housing are respectively provided with a buckle in a protruding manner, and each buckle is respectively matched with one fixing piece in a clamping manner.

Optionally, each fixing piece is provided with a clamping groove, and the clamping grooves are matched with the buckles in a clamping manner, so that the fixing piece is fixedly connected with the shell.

Optionally, the fixing piece is a tail clip buckle, and the sealing piece is a sealing rubber ring.

Optionally, the seal is trapped between the fixture and the housing and the fixture compresses the seal such that the seal seals opposite ends of the insulating bushing.

To sum up, the binding post subassembly of this application is in the sinle silk crimping of pencil connects to in binding post's the crimping portion, the line skin of pencil with there may be the gap between the binding post, insulating bush cup joints simultaneously binding post with on the line skin, make and be located the line skin with gap between the binding post is covered, two the sealing member is established respectively the outside at the relative both ends of insulating bush, in order to incite somebody to action the relative both ends of insulating bush are sealed, prevent that water or steam from getting into in the insulating bush. And the outer casing is sleeved outside the insulating bush and the sealing element, and the two fixing pieces are respectively fixedly connected to two opposite ends of the outer casing to limit the sealing element so as to prevent the sealing element from falling off. Therefore, the terminal subassembly of this application has good waterproof sealing effect, can prevent effectively that water or aqueous vapor from passing through the sinle silk permeates the pencil the inside, has solved traditional binding post and has not sealed waterproof effect, and water or aqueous vapor can permeate the problem of pencil the inside through the sinle silk.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a terminal assembly according to an embodiment of the disclosure;

FIG. 2 is a cross-sectional view of the terminal assembly of FIG. 1;

FIG. 3 is an exploded view of the terminal assembly of FIG. 1;

fig. 4 is a schematic structural view of the connection terminal shown in fig. 3;

fig. 5 is a schematic structural view of the housing shown in fig. 3.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The following description of the various embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments that can be implemented by the application. The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). Directional phrases used in this application, such as, for example, "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "side," and the like, refer only to the orientation of the appended drawings and are, therefore, used herein for better and clearer illustration and understanding of the application and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; 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 application can be understood in a specific case by those of ordinary skill in the art. It should be noted that the terms "first", "second", and the like in the description and claims of the present application and in the drawings are used for distinguishing between different objects and not for describing a particular order.

Furthermore, the terms "comprises," "comprising," "includes," "including," or "including," when used in this application, specify the presence of stated features, operations, elements, and/or the like, but do not limit one or more other features, operations, elements, and/or the like. Furthermore, the terms "comprises" or "comprising" indicate the presence of the respective features, numbers, steps, operations, elements, components or combinations thereof disclosed in the specification, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components or combinations thereof, and are intended to cover non-exclusive inclusions. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

In the conventional terminal, since a gap exists between the wire sheath and the terminal, water or vapor may permeate into the wire core covered by the wire sheath through the gap. And because gaps exist among the wire cores, water or water vapor can permeate into the gaps at one end of the wire harness, and finally permeate to the other end of the wire harness along with the wire cores, so that sealing failure is caused.

Therefore, this application hopes to provide a scheme that can solve above-mentioned technical problem, and its sealed waterproof technique that utilizes the pencil terminal to connect has solved traditional binding post and has not sealed waterproof effect, and water or aqueous vapor can permeate the problem of pencil the inside through the sinle silk.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a terminal assembly according to an embodiment of the disclosure, and fig. 2 is a schematic cross-sectional structural diagram of the terminal assembly 100 shown in fig. 1. As shown in fig. 1 and 2, the present application provides a terminal assembly 100 for crimping a wire harness 200 therein, and preventing water or moisture from penetrating into the wire harness 200, which solves the problem of water seepage when the wire harness of the terminal in the prior art is exposed outside. The wire harness 200 includes a wire core 210 and a sheath 220 covering the wire core 210, wherein the wire core 210 is made of a conductive material (e.g., copper, aluminum, iron, or a conductive alloy material), and the sheath 220 is made of an insulating material.

Please refer to fig. 3, which is an exploded view of the terminal assembly 100 shown in fig. 1. In the present embodiment, the terminal assembly 100 may include at least a terminal 10, an insulation bushing 20, two sealing members 30, a housing 50, and two fixing members 60. Wherein, the wire core 210 of the wire harness 200 is crimped in one end of the terminal 10 and electrically connected with the terminal 10. The insulation bushing 20 is sleeved on one end of the connection terminal 10 to which the wire core 210 is crimped, and is simultaneously sleeved on the sheath 220 of the wire harness 200 adjacent to the connection terminal 10. The two sealing members 30 are respectively sleeved outside the two opposite ends of the insulation bushing 20 and respectively abut against the two opposite ends of the insulation bushing 20 to prevent water or moisture from entering the insulation bushing 20, that is, one sealing member 30 is located at one end of the insulation bushing 20, sleeved on the wire sheath 220 and abutting against the end of the insulation bushing 20, and the other sealing member 30 is located at the other end of the insulation bushing 20, sleeved on the wiring terminal 10 and abutting against the end of the insulation bushing 20. The housing 50 is sleeved outside the insulating bush 20 and the two sealing members 30, and the two fixing members 60 are respectively detachably sleeved at two opposite ends of the housing 50 and fixedly connected with the housing 50 to limit the sealing members 30 so as to prevent the sealing members 30 from falling off. That is, one of the fixing members 60 is sleeved on the wire sheath 220 and is fixedly connected to one end of the housing 50, and the other fixing member 60 is sleeved on the wiring terminal 10 and is fixedly connected to the other end of the housing 50.

To sum up, binding post subassembly 100 of this application is in the sinle silk 210 crimping of pencil 200 extremely when in binding post 10, the line skin 220 of pencil 200 with there may be the gap between binding post 10, insulating bush 20 cup joints simultaneously binding post 10 with on the line skin 200, make and be located line skin 220 with gap between binding post 10 is covered, two sealing member 30 overlaps respectively and is established the outside at the relative both ends of insulating bush 20, with will insulating bush 20's relative both ends are sealed to prevent that water or steam from getting into in insulating bush 20. Moreover, the housing 50 is sleeved outside the insulating bush 20 and the sealing element 30, and the two fixing members 60 are respectively fixedly connected to opposite ends of the housing 50 to restrain the sealing element 30 so as to prevent the sealing element 30 from falling off. Therefore, the terminal assembly 100 of the present application has an excellent sealing and waterproofing function, and can effectively prevent water or moisture from penetrating into the inside of the wire harness through the wire core.

Referring to fig. 4, fig. 4 is a schematic structural diagram of the wiring terminal 10 shown in fig. 3. In the embodiment of the present application, the connection terminal 10 includes a connection portion 11, a crimping portion 12, and a step portion 14 between the connection portion 11 and the crimping portion 12. The connecting portion 11 is located at one end of the wiring terminal 10 and is used for fixedly connecting a terminal of an electrical appliance, and the crimping portion 12 is located at the other end opposite to the wiring terminal 10 and is used for fixedly connecting the wire core 210 of the wire harness 200 and electrically connected with the wire core 210. The crimp portion 12 is a hollow tubular structure as a whole, and is used for inserting the wire core 210 of the wire harness 200. Specifically, one end of the crimping portion 12 is sealed and fixedly connected to the connecting portion 11, and the other end of the crimping portion 12 is provided with a wire insertion opening for inserting the wire core 210.

In the embodiment of the present application, the step portion 14 is located between the connection portion 11 and the crimping portion 12, and the top surfaces of the step portions 14 are all higher than the plane where the connection portion 11 and the crimping portion 12 are located. The step 14 is used for limiting and fixing the insulation bushing 20.

In the embodiment of the present application, a wire connection hole 112 is opened at an end of the connection portion 11 away from the step portion 14, the wire connection hole 112 is used for wire connection, for example, the wire connection hole 112 is used for fixedly connecting a terminal of the electrical appliance.

In the embodiment of the present application, the connection portion 11 further includes a sealing surface 113, and the sealing surface 113 is located between the wiring hole 112 and the step portion 14, and is used for matching with one of the sealing members 30. That is, the sealing surface 113 is a surface of the connecting portion 11 adjacent to the step portion 14, and one of the sealing members 30 is sleeved on the sealing surface 113 of the connecting portion 11 and is in sealing engagement with the sealing surface 113 to prevent water or vapor from entering the insulation bushing 20.

In the embodiment of the present application, the terminal 10 is formed by press-fitting the wire harness 200 in a cold press manner.

In the embodiment, the terminal 10 may be made of a conductive material as a whole.

Referring to fig. 2 and 3, in the embodiment of the present application, the insulation bushing 20 is a hollow tubular structure having a size and shape matching the size and shape of the connection terminal 10. One end of the insulation bushing 20 is fitted over the step portion 14 and the sealing surface 113 of the connection portion 11, and is limited and fixed by the step portion 14, and the other end of the insulation bushing 20 is fitted over the sheath 220 of the wire harness 200. The insulation bushing 20 is located between the connection terminal 10 and the housing 50, and is used for isolating a distance between the connection terminal 10 and the housing 50. Since the wire harness 200 is generally used by being energized, the terminal 10 is crimped with the wire core 210 for conducting electricity, and an insulating bush is required to isolate the terminal 10 from the housing 50, so as to prevent the terminal 10 from being conducted with the housing 50.

In the embodiment of the present application, the insulation bushing 20 may be made of plastic material.

Referring to fig. 2 and 3, in the embodiment of the present invention, two sealing members 30 are respectively sleeved outside two opposite ends of the insulation bushing 20 to prevent water or moisture from entering into the insulation bushing 20. Specifically, one of the sealing elements 30 is located at one end of the insulation bushing 20 and sleeved on the wire sheath 220, and the other sealing element 30 is located at the opposite end of the insulation bushing 20 and sleeved on the sealing surface 113 of the connecting portion 11 to seal the opposite ends of the insulation bushing 20.

In the embodiment of the present application, the sealing member 30 may be a sealing rubber ring, which may be made of rubber. The seal 30 and the connecting portion 11, the housing 50, and the sheath 220 of the wiring harness 200 are all designed with a compression amount to better prevent water or moisture from entering into the insulating sleeve 20.

In other embodiments of the present application, the two sealing members 30 may be designed to have a width, wherein the width of one of the sealing members 30 is such that the sealing member 30 can be simultaneously sleeved on the outer side of one end of the insulation bushing 20 and the surface of the wire sheath 220, and the width of the other sealing member 30 is such that the sealing member 30 can be simultaneously sleeved on the outer side of the other end of the insulation bushing 20 and the sealing surface 113.

Referring to fig. 5, fig. 5 is a schematic structural diagram of the housing 50 shown in fig. 3. In the embodiment of the present application, the housing 50 is a hollow tubular structure, and is sleeved outside the insulating bush 20 and the two sealing members 30. The housing 50 is isolated from the connection terminal 10 by the insulating bush 20 to prevent the connection terminal 10 from being conducted with the housing 50.

In the embodiment of the present application, the outer surfaces of the two opposite ends of the outer shell 50 are respectively protruded with a snap 52, and the two snap 52 are respectively engaged with the two fixing members 60.

Referring to fig. 1 and 3, in the embodiment of the present application, two fixing members 60 are respectively detachably sleeved outside two opposite ends of the housing 50 and fixed with the housing 50, so as to limit the sealing member 30 and prevent the sealing member 30 from falling off. Specifically, one of the fixing members 60 is sleeved on the wire sheath 220 and is fastened and fixed with the buckle 52 located at one end of the housing 50, and the other fixing member 60 is sleeved on the wiring terminal 10 and is fastened and fixed with the buckle 52 located at the other end of the housing 50. Thus, the seal 30 is trapped between the fixture 60 and the housing 50 to prevent the seal 30 from translating or falling out. Moreover, the fixing member 60 compresses the sealing member 30, so that the sealing member 30 forms a good sealing effect with the opposite ends of the insulation bushing 20 to further prevent water or moisture from entering into the insulation bushing 20.

In the embodiment of the present application, each fixing element 60 is provided with a clamping groove (not shown), and the clamping groove is engaged with the buckle 52 to fixedly connect the fixing element 60 and the housing 50.

In the present embodiment, each of the fixing members 60 may be a tail clip snap.

Referring to fig. 1 to 5, when the terminal assembly 100 is used, the wire core 210 of the wire harness 200 is inserted into the press-fitting portion 12 through the wire insertion opening and is pressed in the press-fitting portion 12, and the wire core 210 of the wire harness 200 is electrically connected to the connecting portion 11. One end of the insulation bushing 20 is fitted over the step portion 14 and the sealing surface 113 of the connection portion 11, and is limited and fixed by the step portion 14, and the other end of the insulation bushing 20 is fitted over the sheath 220 of the wire harness 200. One of the sealing members 30 is located at one end of the insulation bushing 20 and is sleeved on the wire sheath 220, and the other sealing member 30 is located at the opposite end of the insulation bushing 20 and is sleeved on the sealing surface 113 of the connecting portion 11 to seal the opposite ends of the insulation bushing 20. The outer shell 50 is sleeved outside the insulation bushing 20 and the two sealing elements 30. The housing 50 is isolated from the connection terminal 10 by the insulating bush 20 to prevent the connection terminal 10 from being conducted with the housing 50. One fixing member 60 is sleeved on the wire sheath 220 and is fastened and fixed with a buckle 52 located at one end of the housing 50, and the other fixing member 60 is sleeved on the wiring terminal 10 and is fastened and fixed with a buckle 52 located at the other end of the housing 50. Thus, the seal 30 is trapped between the fixture 60 and the housing 50 to prevent the seal 30 from translating or falling out. Moreover, the fixing member 60 compresses the sealing member 30, so that the sealing member 30 forms a good sealing effect with the opposite ends of the insulation bushing 20 to further prevent water or moisture from entering into the insulation bushing 20.

To sum up, the binding post subassembly 100 of this application at the sinle silk 210 crimping of pencil 200 extremely in binding post 10's the crimping portion 12, pencil 200 the line skin 220 with there may be the gap between binding post 10, insulating bush 20 cup joints simultaneously binding post 10 with on the line skin 200, make and be located line skin 220 with gap between binding post 10 is covered, two sealing member 30 overlaps respectively and is established the outside at the relative both ends of insulating bush 20, in order to incite somebody to action insulating bush 20's relative both ends are sealed, prevent that water or steam from getting into in the insulating bush 20. Moreover, the housing 50 is sleeved outside the insulating bush 20 and the sealing element 30, and the two fixing members 60 are respectively fixedly connected to opposite ends of the housing 50 to restrain the sealing element 30 so as to prevent the sealing element 30 from falling off. Therefore, the binding post subassembly 100 of this application has good waterproof sealing effect, can prevent effectively that water or aqueous vapor from passing through the sinle silk permeates the pencil the inside, has solved traditional binding post and has not sealed waterproof effect, and water or aqueous vapor can permeate the problem of pencil the inside through the sinle silk.

It should be understood that the application of the present application is not limited to the above examples, and that modifications or changes may be made by those skilled in the art based on the above description, and all such modifications and changes are intended to fall within the scope of the appended claims. It will be understood by those skilled in the art that all or part of the above-described embodiments may be implemented and equivalents may be made thereto without departing from the scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a binding post subassembly for the wiring end of connecting pencil and electrical apparatus, its characterized in that, the binding post subassembly includes binding post, insulating bush, two sealing members, shell and two mountings, wherein, the sinle silk crimping of pencil is in binding post's one end, and with binding post electricity is connected, insulating bush cover is located the binding post crimping has the one end of sinle silk to the cover locate with binding post borders on the line skin of pencil, two the sealing member overlaps respectively locates the outside at the relative both ends of insulating bush, and support respectively and hold the relative both ends of insulating bush, the shell cover is located on insulating bush and two sealing members, two the mounting overlaps respectively locates the relative both ends of shell, and with shell fixed connection.

2. The terminal assembly of claim 1, wherein the terminal includes a connecting portion at one end of the terminal for fixedly connecting to a terminal of the electrical appliance and a crimping portion at an opposite end of the terminal for fixedly connecting to and electrically connecting to a core of the wire harness.

3. The terminal assembly of claim 2, wherein the terminal further comprises a step between the connecting portion and the crimp portion, and wherein the step has a top surface that is higher than a plane of the connecting portion and the crimp portion.

4. The terminal assembly as claimed in claim 3, wherein an end of said connecting portion remote from said step portion is provided with a wire connecting hole for wire connection use.

5. The terminal assembly of claim 4, wherein said connecting portion further includes a sealing surface between said terminal aperture and said step for engaging one of said seals.

6. The terminal assembly of claim 5, wherein one of said sealing members has a width such that it can be simultaneously fitted over one end of said insulating sleeve and the surface of said wire sheath, and the other of said sealing members has a width such that it can be simultaneously fitted over the other end of said insulating sleeve and said sealing surface.

7. The terminal assembly of claim 1, wherein the outer surfaces of the opposite ends of the housing are each provided with a respective projection, each of the projections being snap-fit with a respective one of the securing members.

8. The terminal assembly of claim 7, wherein each of said fixing members defines a slot, and said slot is engaged with said latch to fixedly connect said fixing member to said housing.

9. The terminal assembly of claim 1, wherein the securing member is a tail clip snap and the sealing member is a sealing grommet.

10. The terminal assembly of any one of claims 1-9, wherein said sealing member is captured between said retainer and said housing, and said retainer compresses said sealing member such that said sealing member seals opposite ends of said insulative bushing.

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