CN218958181U

CN218958181U - Wiring structure and instrument device

Info

Publication number: CN218958181U
Application number: CN202223405949.9U
Authority: CN
Inventors: 侯畔畔; 朱为聪; 陈永生; 李珊珊; 许其奖; 苏红玲
Original assignee: TANCY INSTRUMENT GROUP CO Ltd
Current assignee: TANCY INSTRUMENT GROUP CO Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-02
Anticipated expiration: 2032-12-19

Abstract

The utility model belongs to the technical field of meters, and particularly relates to a wiring structure and a meter device. The wiring structure comprises a cable, a grounding piece and a fastening piece, wherein the grounding piece and the fastening piece are respectively sleeved on the outer side of the cable, at least a shielding part is arranged in the cable, the grounding piece is connected with the shielding part and is used for being electrically connected with an instrument device, the grounding piece can be inserted into the instrument device through an interface of the instrument device, and the fastening piece is used for being fixedly connected with the interface. Through the wiring structure in the technical scheme, the assembly can be carried out from the outer side of the instrument device, so that the assembly operation is more convenient and simpler, the assembly efficiency is improved, and meanwhile, the grounding operation can be carried out respectively, and the reliability is improved.

Description

Wiring structure and instrument device

Technical Field

The utility model belongs to the technical field of meters, and particularly relates to a wiring structure and a meter device.

Background

At present, the temperature sensor, the pressure sensor and the signal sensor are all connected into the volume corrector, so that the shielding wire of the cable wire and the shell of the corrector are required to be electrically conducted and the purpose of grounding is achieved, and the safety of each electric component is ensured. The prior structure is that a piece of the waterproof joint is screwed in the volume corrector, an iron sheet is pressed at the same time, a shielding wire led in by the waterproof joint is clamped between the iron sheet and the shell, and after the piece is pressed on the iron sheet, the shielding wire is plugged under the iron sheet. The existing structure needs to be operated from the inside of the volume corrector and is complex to assemble, so that the operation of assembly staff is not facilitated. In addition, because the shielding wire is easy to deviate from the iron sheet due to factors such as transportation, site environment and the like, the purpose of conducting and grounding between the shielding wire and the shell cannot be realized, and the grounding reliability is reduced.

Disclosure of Invention

The utility model aims to at least solve the problem that the existing wiring structure is complex in structure and unfavorable for assembly. The aim is achieved by the following technical scheme:

the first aspect of the utility model provides a wiring structure, which comprises a cable, a grounding piece and a fastening piece, wherein the grounding piece and the fastening piece are respectively sleeved on the outer side of the cable, at least a shielding part is arranged in the cable, the grounding piece is connected with the shielding part and is used for being electrically connected with a meter device, the grounding piece can be inserted into the meter device through an interface of the meter device, and the fastening piece is used for being fixedly connected with the interface.

Through the wiring structure in the technical scheme, the combined structure of the cable, the grounding piece and the fastener is adopted, the grounding piece is sleeved outside the cable and can be electrically connected with the shielding part of the cable, the grounding operation of the instrument device can be realized, the fastener can be matched with the interface of the volume corrector to fix the wiring structure and the interface, the wiring structure can be assembled from the outer side of the instrument device, the assembly operation is more convenient and simple, the assembly efficiency is improved, the grounding operation can be respectively carried out, and the reliability is improved. In addition, the wiring structure according to the utility model can also have the following additional technical features:

in some embodiments of the present utility model, the cable further includes a wire harness portion and an insulation portion, the wire harness portion is disposed in the shielding portion in a penetrating manner and has a first exposed portion exposed outside the shielding portion, the shielding portion is disposed in the insulation portion in a penetrating manner and has a second exposed portion exposed outside the insulation portion, the grounding member is disposed outside the second exposed portion in a sleeved manner, and the fastener is disposed outside the insulation portion in a sleeved manner.

In some embodiments of the utility model, the wiring structure further comprises a sealing member sleeved outside the insulation part and located between the fastening member and the grounding member along the axial direction of the cable, wherein the sealing member is used for being connected with the interface in a sealing way.

In some embodiments of the present utility model, the connection structure further includes a fixing member, and the fixing member is sleeved on the outer side of the sealing member, and one side of the fixing member away from the grounding member abuts against the fastening member.

In some embodiments of the present utility model, the sealing member includes a body portion and a limiting portion, the limiting portion is disposed on a side of the body portion away from the fastening member, and the fixing member is sleeved on an outer side of the body portion and abuts against the limiting portion on a side away from the fastening member.

In some embodiments of the present utility model, the fixing member includes a main body portion and a plurality of teeth portions, the plurality of teeth portions are disposed at a side of the main body portion away from the grounding member and spaced apart from the grounding member, and the plurality of teeth portions are abutted against an inner surface of the fastening member.

In some embodiments of the utility model, the securing member is a plastic member.

In some embodiments of the utility model, an end of the harness portion adjacent to the meter device is further provided with a conductive terminal for electrically connecting the harness portion to the meter device.

In some embodiments of the utility model, the fastener is a nut.

A second aspect of the present utility model proposes a meter device comprising:

the volume corrector comprises an electric appliance functional unit and a shell, wherein a containing cavity is formed in the shell, the electric appliance functional unit is arranged in the containing cavity, and the outer side of the shell is provided with the interface communicated with the containing cavity;

the wiring structure, the wiring structure is foretell, wherein, the one end of cable can pass the interface and with electrical apparatus functional unit electricity is connected, the grounding piece is located in the interface and with interface connection, the fastener with interface threaded connection.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 schematically shows an overall structural schematic of a wiring structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the assembled structure of the cable and conductive terminal of the wiring structure of FIG. 1;

fig. 3 schematically shows a schematic cross-sectional view of an assembly structure of a wiring structure and a meter device according to an embodiment of the utility model;

FIG. 4 is a schematic diagram of the assembly of the wiring structure and interface of the meter device of FIG. 3;

fig. 5 is a schematic view of a cross-sectional structure in A-A direction in fig. 4.

The reference numerals in the drawings are as follows:

100. a wiring structure;

111. a first exposed portion; 1111. a conductive terminal; 121. a second exposed portion; 13. an insulating part;

20. a grounding member;

30. a seal; 31. a body portion; 32. a limit part;

40. a fastener;

50. a fixing member; 51. a main body portion; 52. a tooth portion;

200. a volume corrector; 201. an interface.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

Fig. 1 schematically shows an overall structural schematic of a wiring structure 100 according to an embodiment of the present utility model. As shown in fig. 1, the present utility model provides a wiring structure 100 and an instrument device. The wiring structure 100 in the utility model comprises a cable, a grounding piece 20 and a fastening piece 40, wherein the grounding piece 20 and the fastening piece 40 are respectively sleeved on the outer side of the cable, at least a shielding part is arranged in the cable, the grounding piece 20 is connected with the shielding part and is used for being electrically connected with a meter device, the grounding piece 20 can be inserted into the meter device through an interface 201 of the meter device, and the fastening piece 40 is used for being fixedly connected with the interface 201.

Through the wiring structure 100 in the technical scheme, the combined structure of the cable, the grounding piece 20 and the fastening piece 40 is adopted, the grounding piece 20 is sleeved outside the cable and can be electrically connected with the shielding part of the cable, the grounding operation of the instrument device can be realized, the fastening piece 40 can be matched with the interface 201 of the volume corrector 200, so that the fixing of the wiring structure 100 and the interface 201 is realized, the wiring structure 100 can be assembled from the outer side of the instrument device, the assembly operation is more convenient and simple, the assembly efficiency is improved, and meanwhile, the grounding operation can be respectively carried out, and the reliability is improved.

Specifically, the grounding member 20 in the present utility model is a metal member having a ring-like structure.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the cable further includes a harness portion and an insulation portion 13, wherein the harness portion is disposed in the shielding portion in a penetrating manner and has a first exposed portion 111 exposed outside the shielding portion, the shielding portion is disposed in the insulation portion 13 in a penetrating manner and has a second exposed portion 121 exposed outside the insulation portion 13, the grounding member 20 is disposed outside the second exposed portion 121 in a sleeved manner, and the fastener 40 is disposed outside the insulation portion 13 in a sleeved manner. In this embodiment, the cable includes wire harness portion, shielding portion and insulating portion 13 from inside to outside in proper order, and wire harness portion includes two piece at least electric wires and surrounds and form, and shielding portion is the metal material, and the outside of wire harness portion is located to the cover, and insulating portion 13 is used for insulating inside wire harness portion and shielding portion, and the operation personnel of being convenient for use to the cable. The grounding member 20 is sleeved on the second exposed portion 121 of the shielding portion and is electrically connected to the shielding portion, and since the shielding portion in the present embodiment is used for grounding the meter device, the grounding member 20 is electrically connected to the meter device and the second exposed portion 121 of the shielding portion, respectively. The fastener 40 is sleeved outside the insulating part 13, so that an operator can fix the fastener 40 and the interface 201 conveniently.

Specifically, in this embodiment, as shown in fig. 1 and 2, the second exposed portion 121 of the shielding portion may be scattered and finally surrounded to form a thicker wire set, and then the wire set is wound on the grounding member 20, so that the physical connection and the electrical connection operation of the two may be completed simultaneously.

In some embodiments of the present utility model, as shown in fig. 4 and 5, the connection structure 100 further includes a sealing member 30, where the sealing member 30 is sleeved outside the insulation portion 13 and is located between the fastener 40 and the grounding member 20 along the cable axial direction, and the sealing member 30 is used for sealing connection with the interface 201. In this embodiment, the sealing member 30 can block the interface 201, thereby realizing a waterproof function and improving sealing performance and reliability.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the wiring structure 100 further includes a fixing member 50, where the fixing member 50 is sleeved on the outer side of the sealing member 30, and a side of the fixing member 50 away from the grounding member 20 abuts against the fastening member 40. In this embodiment, during the assembly process of the fastener 40 and the interface 201, the fixing member 50 can make the sealing member 30 not directly contact with the inner surface of the interface 201, so as to ensure that the sealing member 30 is not damaged, and the service life is prolonged. At the same time, the side of the fixing member 50 away from the grounding member 20 abuts against the fastening member 40, and the fastening member 40 indirectly pushes the sealing member 30 into the interface 201 through the fixing member 50, so that the sealing member 30 is further prevented from being damaged, and the sealing member 30 is prevented from being deformed due to extrusion.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the sealing member 30 includes a body portion 31 and a limiting portion 32, the limiting portion 32 is disposed on a side of the body portion 31 away from the fastening member 40, and the fixing member 50 is sleeved on an outer side of the body portion 31 and abuts against the limiting portion 32 on a side away from the fastening member 40. In this embodiment, the fixing member 50 is sleeved on the outer side of the body portion 31, and one end of the fixing member 50 abuts against the limiting portion 32, so that the fixing member 50 drives the sealing member 30 to move while the fixing member 40 pushes the fixing member 50, and finally, the sealing member 30 and the fixing member 50 are both disposed in the interface 201.

In some embodiments of the present utility model, as shown in fig. 1 and 2, the fixing member 50 includes a main body 51 and a plurality of teeth 52, the teeth 52 are disposed on a side of the main body 51 away from the grounding member 20 and spaced apart, and the teeth 52 are abutted against an inner surface of the fastening member 40. In this embodiment, the main body portion 51 of the fixing element 50 is used to cooperate with the main body portion 31, so as to realize the cooperation between the fixing element 50 and the sealing element 30, and the plurality of teeth portions 52 of the fixing element 50 are abutted against the inner surface of the fastening element 40, so that when the fastening element 40 cooperates with the interface 201, the plurality of teeth portions 52 located in the fastening element 40 can be driven to rotate by the self rotation of the fastening element 40, thereby more easily driving the main body portion 51 and the sealing element 30 to move, and improving the assembly efficiency and reliability.

In some embodiments of the present utility model, the securing member 50 is a plastic member.

In some embodiments of the present utility model, as shown in fig. 1 and 2, an end of the harness portion near the meter device is further provided with a conductive terminal 1111, and the conductive terminal 1111 is used for electrically connecting the harness portion with the meter device. In the present embodiment, the insulating layer is stripped off from the outside of the electric wire near the meter device, and the metal conductor is exposed, and the conductive terminal 1111 can electrically connect the metal conductor with the meter device, thereby realizing the current transmission operation.

In some embodiments of the utility model, the fastener 40 is a nut.

A second aspect of the present utility model proposes a meter device, as shown in fig. 5, comprising:

the volume corrector 200, the volume corrector 200 includes the functional unit of the electrical apparatus and body, there are holding chambers in the body, the functional unit of the electrical apparatus locates the holding chamber, there are interfaces 201 communicated with holding chambers outside the body;

the wiring structure 100, the wiring structure 100 is the wiring structure 100 described above, wherein one end of the cable can pass through the interface 201 and be electrically connected with the electrical appliance functional unit, the grounding member 20 is disposed in the interface 201 and connected with the interface 201, and the fastener 40 is in threaded connection with the interface 201.

Through using the instrument device in this technical scheme, adopt the integrated configuration of volume corrector 200 and wiring structure 100, the one end of the cable of wiring structure 100 can pass interface 201 and be connected with the electrical apparatus functional unit electricity in the holding chamber, fastener 40 is fastening nut, fastening nut's internal thread can carry out threaded connection with the external screw thread of interface 201, when the two threaded connection ends, the grounding part 20 that lies in the cable outside lies in interface 201 and is connected with interface 201 electricity, thereby realize the earthing operation of volume corrector 200, and sealing member 30 also lies in interface 201 this moment, can realize the waterproof operation of the interface 201 department of volume corrector 200.

Further, in the meter device of the present utility model, the assembly process thereof: a portion of the insulation layer is stripped from one end of the cable to be fed into the volume corrector 200, and then a portion of the shielding layer is stripped from the portion of the insulation layer, so that the first exposed portion 111 and the second exposed portion 121 are exposed from one end of the cable. Then, the conductive terminal 1111 is electrically connected with one end of the wire harness portion, which is close to the volume corrector 200, then one end of the cable, which is close to the volume corrector 200, passes through the grounding member 20, the sealing member 30, the fixing member 50 and the fastening member 40 respectively, and the grounding member 20 is located outside the second exposed portion 121, the fixing member 50 is located outside the sealing member 30, the sealing member 30 is sleeved outside the insulating layer, the fastening member 40 is located outside the insulating layer, then one end of the cable, which is provided with the conductive terminal 1111, extends into the housing, then the fastening member 40 is in threaded fit with the interface 201, finally the grounding member 20, the fixing member 50 and the sealing member 30 are all located in the interface 201, and the grounding member 20 is in contact connection (i.e. electrical connection) with the interface 201, and the sealing member 30 is sealed and located in the interface 201, so as to achieve the purposes of water resistance and dust resistance.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The utility model provides a wiring structure, is applied to instrument device, its characterized in that includes cable, grounding piece and fastener, the grounding piece with the fastener overlaps respectively is located the outside of cable, have shielding part in the cable at least, the grounding piece with shielding part is connected and is used for with instrument device electricity is connected, the grounding piece can pass through instrument device's interface inserts in the instrument device, the fastener be used for with interface fixed connection.

2. The connection structure according to claim 1, wherein the cable further comprises a wire harness portion and an insulation portion, the wire harness portion is arranged in the shielding portion in a penetrating manner and has a first exposed portion exposed out of the shielding portion, the shielding portion is arranged in the insulation portion in a penetrating manner and has a second exposed portion exposed out of the insulation portion, the grounding piece is arranged outside the second exposed portion in a sleeved manner, and the fastener is arranged outside the insulation portion in a sleeved manner.

3. The connection structure of claim 2, further comprising a seal member disposed over the insulating portion and axially along the cable between the fastener and the ground member, the seal member being adapted for sealing connection with the interface.

4. A wiring structure as in claim 3, further comprising a securing member, wherein the securing member is sleeved outside the sealing member and abuts the fastener on a side away from the grounding member.

5. The connection structure according to claim 4, wherein the sealing member includes a body portion and a limiting portion, the limiting portion is disposed on a side of the body portion away from the fastening member, and the fixing member is sleeved on an outer side of the body portion and is abutted against the limiting portion on a side away from the fastening member.

6. The connection structure according to claim 4, wherein the fixing member comprises a main body portion and a plurality of tooth portions, the tooth portions are arranged on one side of the main body portion away from the grounding member and are arranged at intervals, and the tooth portions are abutted against the inner surface of the fastening member.

7. The wiring structure of claim 5, wherein the securing member is a plastic member.

8. The wiring structure according to claim 2, wherein an end of the wire harness portion near the meter device is further provided with a conductive terminal for electrically connecting the wire harness portion with the meter device.

9. The wiring structure as in claim 1, wherein said fastener is a nut.

10. A meter apparatus, comprising:

a wiring structure, wherein the wiring structure is any one of claims 1-9, one end of the cable can pass through the interface and be electrically connected with the electrical appliance functional unit, the grounding piece is arranged in the interface and is connected with the interface, and the fastening piece is in threaded connection with the interface.