CN218235263U

CN218235263U - Connecting assembly and engine with same

Info

Publication number: CN218235263U
Application number: CN202222238954.9U
Authority: CN
Inventors: 邰强娟; 柳海涛; 柴建平
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-06
Anticipated expiration: 2032-08-24

Abstract

The utility model provides a coupling assembling and have its engine, coupling assembling includes: the mounting seat is provided with a first mounting hole; a second mounting hole is formed in the to-be-connected piece, the second mounting hole is opposite to the first mounting hole, and the to-be-connected piece is made of a metal material; the connecting piece is provided with a connecting section and an abutting section which are oppositely connected, the abutting section protrudes out of the connecting section, and the connecting section is inserted into the first mounting hole and the second mounting hole; insulation system sets up between butt section and mount pad, and insulation system has insulating spacing groove, treats that the connecting piece is spacing at insulating spacing inslot. Through the utility model provides a technical scheme can solve the relatively poor technical problem of insulating properties of the engine among the prior art.

Description

Connecting assembly and engine with same

Technical Field

The utility model relates to an insulation system technical field of engine particularly, relates to a coupling assembling and have its engine.

Background

At present, most of electrical components of the prior art engine are driven by current, but the current driving also brings a series of safety hazards, wherein the most important is the insulation problem of the components. For the connection structure of the engine, if the engine adopts a shell made of an insulating material, the cost is high, and the structural design and the performance of parts are also influenced, especially after the fuel cell engine runs, a part of current is used for driving an electrical part to run, and because of the conductivity of the metal shell of the electrical part, the insulation performance is poor, the discharge danger exists, and the personal safety of a user is threatened.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a coupling assembling and have its engine to solve the relatively poor technical problem of insulating properties of the engine among the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a coupling assembly including: the mounting seat is provided with a first mounting hole; a second mounting hole is formed in the to-be-connected piece, the second mounting hole is opposite to the first mounting hole, and the to-be-connected piece is made of a metal material; the connecting piece is provided with a connecting section and an abutting section which are oppositely connected, the abutting section protrudes out of the connecting section, and the connecting section is inserted into the first mounting hole and the second mounting hole; insulation system sets up between butt section and mount pad, and insulation system has insulating spacing groove, treats that the connecting piece is spacing at insulating spacing inslot.

Further, the insulating structure includes: the first insulating part is at least partially arranged between the mounting seat and the part to be connected; the second insulating part, at least part setting of second insulating part be in the butt section with treat between the connecting piece, first insulating part and second insulating part concatenation or be connected in order to enclose into insulating spacing groove.

Further, first insulating part is first insulating plate, and first insulating plate setting is provided with first through-hole between mount pad and the connecting piece of treating on the first insulating plate, and the linkage segment is worn to establish in first through-hole.

Further, the second insulating part comprises a second insulating plate and a third insulating plate which are connected with each other, the second insulating plate and the third insulating plate are connected at a preset angle, the second insulating plate is located between the abutting joint section and the connecting part to be connected, the third insulating plate is located in the second mounting hole, and the third insulating plate is connected or attached to the first insulating plate, so that the first insulating plate, the second insulating plate and the third insulating plate enclose an insulating limiting groove.

Furthermore, a second through hole is formed in the second insulating plate, the connecting section penetrates through the second through hole, the third insulating plate is an annular plate, and the third insulating plate is arranged around the connecting section.

Furthermore, a second insulating plate protrudes out of the abutting section, the length of the second insulating plate protruding out of the abutting section is L1, the insulating thickness of the second insulating plate is L2, and the creepage distance between the connecting piece and the connecting piece is L; wherein L1+ L2 > L.

Further, the insulation thickness of the first insulation plate is L3, and the breakdown thickness of the first insulation plate is L4; wherein L3 > L4.

Further, the first insulating plate protrudes from the to-be-connected component.

Furthermore, the first mounting hole is a threaded hole, a threaded section matched with the threaded hole is arranged on the connecting section, and the threaded section is in threaded connection with the threaded hole.

According to another aspect of the utility model, a provide an engine, including the coupling assembling that the aforesaid provided.

Use the technical scheme of the utility model, through will treating that the connecting piece is spacing at insulating spacing inslot, can effectively treat the connecting piece and insulate and cut off, can effectively prevent to treat on the connecting piece electric current transmission to mount pad and connecting piece, avoid treating the electric current on the connecting piece and pass outward to can effectively play insulating protective action to mount pad and connecting piece, effectively improve insulating properties.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a connection assembly provided according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a mounting base;

20. a member to be connected;

30. a connecting member; 31. a connecting section; 32. an abutment section;

40. an insulating structure; 41. a first insulating member; 42. a second insulating member; 421. a second insulating plate; 422. and a third insulating plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, the first embodiment of the present invention provides a connection assembly, which includes a mounting seat 10, a connecting member 20, a connecting member 30, and an insulating structure 40, wherein a first mounting hole is provided on the mounting seat 10. The to-be-connected component 20 is provided with a second mounting hole, the second mounting hole is opposite to the first mounting hole, and the to-be-connected component 20 can be made of a metal material. The connecting piece 30 has a connecting section 31 and an abutting section 32 which are oppositely connected, the abutting section 32 is arranged by protruding from the connecting section 31, and the connecting section 31 is inserted in the first mounting hole and the second mounting hole. Insulating structure 40 sets up between butt section 32 and mount pad 10, and insulating structure 40 has insulating spacing groove, treats that connecting piece 20 is spacing at insulating spacing inslot. Specifically, the member to be connected 20 in the present embodiment may be a metal shell of a component part that needs to be mounted on the mount base 10.

Adopt the coupling assembling that this embodiment provided, through treating that connecting piece 20 is spacing at insulating spacing inslot, can effectively treat connecting piece 20 and carry out insulating partition, can effectively prevent to treat that the electric current on the connecting piece 20 from transmitting to mount pad 10 and connecting piece 30 on, avoid treating the electric current on the connecting piece 20 and pass outward to can effectively play insulating protective action to mount pad 10 and connecting piece 30, effectively improve insulating properties. The insulation structure 40 can be used for conveniently separating the connecting piece 30 from the to-be-connected piece 20 and separating the mounting seat from the to-be-connected piece 20, when the to-be-connected piece 20 is electrified, current can not be transmitted to the connecting piece 30 or the mounting seat 10, the internal and external insulation of an engine electrical device is guaranteed, the problem of insulation of the electrical device is well solved, the use safety of the engine electrical device is guaranteed, the structure is simple, and the insulation effect is reliable.

In the present embodiment, the insulating structure 40 includes a first insulating member 41 and a second insulating member 42, and at least a portion of the first insulating member 41 is disposed between the mounting seat 10 and the member to be connected 20. At least part of the second insulating member 42 is arranged between the abutting section 32 and the member to be connected 20, and the first insulating member 41 and the second insulating member 42 are spliced or connected to enclose an insulating limit groove. By adopting the structure, the arrangement of the first insulating part 41 and the second insulating part 42 can be convenient for effectively protecting the connecting piece 20, avoid the current on the connecting piece 20 from being transmitted to the mounting seat 10 or the connecting piece 20, and effectively improve the insulation protection performance of the connecting piece 20.

Specifically, the first insulating member 41 in this embodiment is a first insulating plate, the first insulating plate is disposed between the mounting base 10 and the to-be-connected member 20, a first through hole is disposed on the first insulating plate, and the connecting section 31 is disposed in the first through hole in a penetrating manner. By adopting the structure, the structure is simple, and the insulating property is good. The first insulating plate is made of an insulating material.

In this embodiment, the second insulating member 42 includes a second insulating plate 421 and a third insulating plate 422 connected to each other, the second insulating plate 421 and the third insulating plate 422 are connected at a predetermined angle, the second insulating plate 421 is located between the abutting section 32 and the to-be-connected component 20, the third insulating plate 422 is located in the second mounting hole, and the third insulating plate 422 is connected or attached to the first insulating plate, so that the first insulating plate, the second insulating plate 421 and the third insulating plate 422 surround an insulation limiting groove. By adopting the structure, the structure is simple, and the insulating property is good. Specifically, the second insulating plate 421 and the third insulating plate 422 are both supported by an insulating material. Specifically, the second insulating plate 421 and the third insulating plate 422 are each made of an insulating material.

Specifically, the second insulating plate 421 in this embodiment is provided with a second through hole, the connecting section 31 is inserted into the second through hole, the third insulating plate 422 is an annular plate, and the third insulating plate 422 is disposed around the connecting section 31. By adopting the structure, the structure is simple, the production and the manufacture are convenient, and the insulating isolation is also convenient for effectively treating the connecting piece 20.

In this embodiment, the second insulating plate 421 protrudes from the abutting section 32, the length of the second insulating plate 421 protruding from the abutting section 32 is L1, the insulating thickness of the second insulating plate 421 is L2, and the creepage distance between the to-be-connected component 20 and the to-be-connected component 30 is L; wherein L1+ L2 > L. With the adoption of the structure, the insulation state between the to-be-connected piece 20 and the connecting piece 30 can be conveniently ensured, and the current on the to-be-connected piece 20 is better prevented from being transmitted to the connecting piece 30.

Specifically, the insulation thickness of the first insulating plate in this embodiment is L3, and the breakdown thickness of the first insulating plate is L4; wherein L3 > L4. By adopting the structure, a certain electric gap can be formed between the connecting piece 20 and the mounting seat 10, the insulation thickness of the first insulation plate is larger than the breakdown thickness of the first insulation plate, the insulation state between the connecting piece 20 and the mounting seat 10 can be ensured through the first insulation plate, the reliability of parts is ensured, and the insulation purpose is achieved. Specifically, when the stack generates current and charges the connection member 20, the current is transmitted to the connection member 30 and the mounting seat 10 due to the first insulating member 41 and the second insulating member 42.

In this embodiment, the first insulating plate is disposed to protrude from the member to be connected 20. By adopting the structure, the insulating property of the first insulating plate can be improved better, and the current on the to-be-connected piece 20 is prevented from being transmitted to the mounting seat 10.

Specifically, the first mounting hole in this embodiment is a threaded hole, and the connecting section 31 is provided with a threaded section adapted to the threaded hole, and the threaded section is in threaded connection with the threaded hole. With such a configuration, the connection stability of the connecting member 30 and the mounting base 10 can be improved.

In this embodiment, the connecting member 30 may be a bolt.

The embodiment two of the utility model provides an engine, including the coupling assembling that above-mentioned embodiment one provided. The mounting base 10 in the connecting assembly can be a base of an engine, the connecting piece 20 can be a metal shell of a part of the engine, the part can be conveniently fixed on the mounting base 10 through the connecting assembly, meanwhile, the insulating effect can be achieved, and the use safety of the electric appliance part of the engine is improved.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the distance between the connecting piece and the piece to be connected can be larger than the creepage distance through the second insulating piece, and the conduction of current is avoided. Meanwhile, a certain electrical gap can be ensured by the first insulating part between the to-be-connected part and the mounting seat, so that the insulating thickness is greater than the breakdown thickness, the reliability of parts is ensured, the insulating purpose is achieved, and the use safety of an engine electromechanical device is improved.

It should be noted that the creepage distance is the shortest path between two conductive parts or between a conductive part and an equipment protection interface measured along an insulating surface. The electrical gap refers to the shortest distance between two conductive components or between a conductive component and the equipment protection interface.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the 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 a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A connection assembly, comprising:

the mounting structure comprises a mounting base (10), wherein a first mounting hole is formed in the mounting base (10);

the connecting piece (20) to be connected is provided with a second mounting hole, the second mounting hole is opposite to the first mounting hole, and the connecting piece (20) to be connected is made of a metal material;

the connecting piece (30) is provided with a connecting section (31) and an abutting section (32) which are oppositely connected, the abutting section (32) is arranged in a protruding mode in the connecting section (31), and the connecting section (31) is inserted into the first mounting hole and the second mounting hole;

the insulating structure (40) is arranged between the abutting section (32) and the mounting seat (10), the insulating structure (40) is provided with an insulating limiting groove, and the to-be-connected part (20) is limited in the insulating limiting groove.

2. The connection assembly according to claim 1, characterized in that the insulating structure (40) comprises:

a first insulator (41), at least part of the first insulator (41) being arranged between the mounting seat (10) and the component (20) to be connected;

the second insulating part (42), at least part of second insulating part (42) sets up between butt section (32) and wait to connect the piece (20), first insulating part (41) with second insulating part (42) splice or be connected in order to enclose the spacing groove of insulation.

3. The connection assembly according to claim 2, characterized in that the first insulating element (41) is a first insulating plate arranged between the mounting seat (10) and the element to be connected (20), and in that it has a first through hole in which the connection section (31) passes.

4. A connection assembly according to claim 3, characterized in that the second insulating member (42) comprises a second insulating plate (421) and a third insulating plate (422) connected to each other, the second insulating plate (421) and the third insulating plate (422) are connected at a predetermined angle, the second insulating plate (421) is located between the abutting section (32) and the member to be connected (20), the third insulating plate (422) is located in the second mounting hole, and the third insulating plate (422) is connected or attached to the first insulating plate, so that the first insulating plate, the second insulating plate (421) and the third insulating plate (422) enclose the insulation limiting groove.

5. The connecting assembly according to claim 4, wherein the second insulating plate (421) is provided with a second through hole, the connecting section (31) is arranged in the second through hole in a penetrating manner, the third insulating plate (422) is an annular plate, and the third insulating plate (422) is arranged around the connecting section (31).

6. The connecting assembly according to claim 4, wherein the second insulating plate (421) protrudes from the abutting section (32), the length of the second insulating plate (421) protruding from the abutting section (32) is L1, the insulating thickness of the second insulating plate (421) is L2, and the creepage distance between the connector (20) to be connected and the connector (30) is L;

wherein L1+ L2 > L.

7. The connection assembly according to claim 3, wherein the first insulating plate has an insulating thickness of L3, and the first insulating plate has a breakdown thickness of L4;

wherein L3 > L4.

8. A connection assembly according to claim 3, characterized in that the first insulating plate is arranged protruding from the component (20) to be connected.

9. The connecting assembly according to claim 1, wherein the first mounting hole is a threaded hole, and the connecting section (31) is provided with a threaded section adapted to the threaded hole, and the threaded section is in threaded connection with the threaded hole.

10. An engine comprising the connection assembly of any one of claims 1-9.