CN221240098U - Junction box assembly and compressor - Google Patents

Abstract

The utility model provides a junction box assembly and a compressor, wherein the junction box assembly comprises: a gasket and a box cover; the gasket and the box cover are enclosed to form a cavity, the cavity is used for accommodating a wiring module formed by connecting a binding post and an electrified wire, and the wiring module is used for being connected with an external structure; the gasket is provided with a straight section and a convex section, wherein the straight section is provided with a first connecting hole for the binding post to pass through; the protruding section is provided with a second connecting hole, and the second connecting hole extends out along the direction away from the protruding section and is used for the power-on wire to penetrate. So configured, the gasket has the wiring function, and the hidden trouble of water leakage caused by the installation clearance between the gasket and the sleeve in the prior art is avoided; in addition, the sleeve is reduced, the installation procedure of the junction box assembly is simplified, the use of a die in the process of producing the sleeve is reduced, and the production cost and the resource consumption are further reduced.

Description

Junction box assembly and compressor

Technical Field

The utility model relates to the field of compressors, in particular to a junction box assembly and a compressor.

Background

At present, the fields of battery thermal management, vehicle-mounted and the like have waterproof grade requirements on the rotor type refrigeration compressor. The compressor body is made of metal material, has waterproof performance, and the wiring module of the compressor and the refrigerating system circuit needs to be designed with waterproof function. At present, the waterproof structure conventionally used mainly comprises a gasket, a sleeve and a box cover, wherein the gasket and the sleeve are elastic bodies in the installation process, the acting force between the gasket and the sleeve is small, external force required to be exerted on the gasket through the sleeve when the box cover is installed indirectly, the gasket is stressed to deform, and the interference between the gasket and the sleeve is increased to achieve the sealing effect. However, as the gasket and the sleeve are required to be produced and connected separately, once poor lamination occurs at the joint of the two components, uneven stress can be generated, so that a hidden water leakage channel is formed at the joint of the gasket and the sleeve, and the wiring module is damaged; meanwhile, the gasket and the sleeve need two sets of dies for production, which causes the increase of material cost, labor cost and energy cost.

Disclosure of utility model

The utility model aims to provide a junction box assembly and a compressor, which are used for solving the problems that water is easy to leak at the joint of a gasket and a sleeve in the existing waterproof structure, and the gasket and the sleeve are produced by two sets of dies, so that materials, manpower and energy are wasted.

In order to achieve the above object, the present utility model provides a junction box assembly comprising: a gasket and a box cover;

The gasket and the box cover are enclosed to form a cavity, the cavity is used for accommodating a wiring module formed by connecting a binding post and an electrified wire, and the wiring module is used for being connected with an external structure;

The gasket is provided with a straight section and a convex section, wherein the straight section is provided with a first connecting hole for the binding post to pass through; the protruding section is provided with a second connecting hole, and the second connecting hole extends out along the direction away from the protruding section and is used for the electrified wire to penetrate through.

Optionally, the protruding section includes connecting portion with the second connecting hole, the one end of connecting portion with straight section is connected, the second connecting hole set up in on the connecting portion, the second connecting hole with be the angle setting between the connecting portion in order to form first contained angle alpha, first contained angle alpha satisfies, and 0 ° < alpha is less than or equal to 180 °.

Alternatively, α=90°.

Optionally, the connecting portion and the straight section are arranged at an angle to form a second included angle beta, and the second included angle beta is satisfied, and is more than 0 degree and less than or equal to 180 degrees.

Alternatively, β=90°.

Optionally, the connecting portion is provided with a groove arranged along the circumferential direction of the connecting portion, the box cover is provided with a protruding portion matched with the groove, and the groove is clamped with the protruding portion.

Optionally, the straight section is provided with a boss arranged along the circumferential direction of the straight section, the box cover is provided with a concave part matched with the boss, and the boss is clamped with the concave part.

Optionally, the box cover is connected with the gasket in a clamping manner.

In order to achieve the above object, the present utility model also provides a compressor comprising: a cover, terminals and terminal block assembly as described above;

The terminal box assembly and the terminal block are both located on the shell cover, wherein the terminal block is connected with the terminal block.

In summary, in the terminal box assembly and the compressor provided by the utility model, the terminal box assembly comprises: a gasket and a box cover; the gasket and the box cover are enclosed to form a cavity, and the cavity is used for accommodating the binding post and the electrified wire; the gasket is provided with a straight section and a convex section, wherein the straight section is provided with a first connecting hole for the binding post to pass through; the convex section is provided with a second connecting hole, and the second connecting hole extends out along the direction away from the convex section and is used for the electrified wire to pass through; the binding post and the energizing lead are connected in the cavity to form a wiring module, and the wiring module is used for being connected with an external structure.

The gasket and the box cover are enclosed to form a cavity, so that the junction box assembly has the functions of preventing water and isolating a heat source from contacting an electrified wire; meanwhile, the gasket is provided with a straight section and a convex section, the straight section is provided with a first connecting hole, the convex section is provided with a second connecting hole, and the second connecting hole is used for the electrified wire to pass through, so that the gasket also has a wiring function, and the second connecting hole is arranged on the gasket, thereby avoiding the hidden danger of water leakage caused by an installation gap between the gasket and the sleeve in the prior art; in addition, the sleeve is reduced, the installation procedure of the junction box assembly is simplified, meanwhile, the gasket can be directly formed by die machining in the machining process, and compared with the prior art, the die use in the process of producing the sleeve is reduced, and the production cost and the resource consumption are further reduced.

Drawings

Fig. 1 is a schematic structural diagram of a junction box assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a gasket according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a box cover according to an embodiment of the present utility model;

Wherein, the explanation of each reference sign is as follows:

1-a gasket; 11-straight sections; 12-a convex section; 111-first connection holes; 112-a third connection hole; 113-a boss; 121-a second connection hole; 122-connection; 1221-grooves;

2-a box cover.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific embodiments thereof in order to make the objects, advantages and features of the utility model more apparent. It should be noted that the drawings are in a very simplified form and are not drawn to scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model. Furthermore, the structures shown in the drawings are often part of actual structures. In particular, the drawings are shown with different emphasis instead being placed upon illustrating the various embodiments.

As used in this specification, the singular forms "a," "an," and "the" include plural referents, the term "or" is generally used in the sense of comprising "and/or" and the term "several" is generally used in the sense of comprising "at least one," the term "at least two" is generally used in the sense of comprising "two or more," and the term "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance or number of technical features indicated. Thus, a feature defining "first," "second," "third," or "third" may explicitly or implicitly include one or at least two such features, with "one end" and "another end" and "proximal end" and "distal end" generally referring to the respective two portions, including not only the endpoints, but also the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, e.g., as being either a fixed connection, a removable connection, or as being integral therewith; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Furthermore, as used in this specification, an element disposed on another element generally only means that there is a connection, coupling, cooperation or transmission between the two elements, and the connection, coupling, cooperation or transmission between the two elements may be direct or indirect through intermediate elements, and should not be construed as indicating or implying any spatial positional relationship between the two elements, i.e., an element may be in any orientation, such as inside, outside, above, below or on one side of the other element unless the context clearly indicates otherwise. The terms "upper", "lower", "top" and "bottom" are generally relative positional relationships arranged in the direction of gravity; the term "vertical, vertical direction" generally refers to a direction along the force of gravity that is generally perpendicular to the ground, and "horizontal, horizontal direction" generally refers to a direction parallel to the ground; the specific meaning of the above terms in this specification will be understood by those of ordinary skill in the art in view of the specific circumstances.

The utility model aims to provide a junction box assembly and a compressor, which are used for solving the problems that water is easy to leak at the joint of a gasket and a sleeve in the existing waterproof structure, and the gasket and the sleeve are produced by two sets of dies, so that materials, manpower and energy are wasted.

As can be appreciated by those skilled in the art, the fields of battery thermal management, vehicle-mounted and the like have waterproof grade requirements on the rotor type refrigeration compressor to be used; since the compressor body is made of metal material, it can be waterproof, and the wiring module of the compressor and the refrigerating system circuit needs to be additionally designed with a waterproof structure to realize the waterproof function. The waterproof structure of the wiring module commonly used at present has the functions of waterproof, heat source isolation and protector fixation by installing a gasket made of rubber material on the wiring terminal of the upper shell cover of the compressor; the sleeve rod made of rubber material is arranged between the gasket and the box cover and is a wiring channel for connecting the compressor and an external power supply; the box cover is made of engineering plastics and is arranged on the sleeve and the gasket, and the box cover mainly has the functions of flame retardance, external force impact resistance and shielding of an external water source. The waterproof structure indirectly acts on the gasket through the sleeve by virtue of external force when the box cover is installed, so that the gasket is stressed and deformed, and the sealing effect is achieved by increasing the interference between the gasket and the waterproof structure; in the assembly mode, once poor fit exists between the sleeve and the gasket, a hidden water leakage channel can be formed. Based on the structure, the application provides the junction box assembly, and the connecting channel is arranged on the gasket, so that the problem of water leakage caused by poor adhesion between the sleeve and the gasket is avoided, and meanwhile, the structural composition of the junction box assembly is reduced, so that the material cost, the labor cost and the energy cost in the process of winning a place are reduced.

Referring to fig. 1 to 3, the present utility model provides a junction box assembly, comprising: a gasket 1 and a box cover 2; the gasket 1 and the box cover 2 are enclosed to form a cavity, the cavity is used for accommodating a wiring module formed by connecting a binding post and an electrified wire, and the wiring module is used for being connected with an external structure; the gasket 1 is provided with a straight section 11 and a convex section 12, wherein the straight section 11 is provided with a first connecting hole 111 for a binding post to pass through; the protruding section 12 has a second connection hole 121, and the second connection hole 121 protrudes in a direction away from the protruding section 12 for the passage of the power conducting wire. It should be noted that the gasket 1 is made of rubber material, the box cover 2 is made of engineering plastic, the box cover 2 is of an inward convex structure, the bottom surface contour of the box cover is matched with the straight section 11, and the box cover is provided with a concave part matched with the outer contour of the convex section 12 so as to be attached to the convex section 12; the outer surface of the box cover 2 is a cambered surface with a certain radian, so that a cavity can be newly formed after the box cover is buckled with the gasket 1, and as the connecting hole is formed in the straight section 11, a cavity with a hollowed bottom surface is formed after the box cover 2 is buckled with the bottom surface outline of the straight section 11, and the hollowed bottom surface is used for the binding post and the circuit element to penetrate through. Those skilled in the art will appreciate that in this embodiment, the cavity is configured to receive the terminal post and the power lead, and in other embodiments, other circuit elements, such as a power source, a diode, a resistor, etc., may be disposed in the cavity. In the example shown in fig. 1 to 3, the straight section 11 is an annular member, and is in an elliptical ring shape as a whole, and partially protrudes outwards, and the inside of the straight section 11 is provided with a first connecting hole 111 adapted to the outer contour of the straight section 11, so that a binding post arranged at the top of the upper shell cover of the compressor can penetrate; the convex section 12 is provided with a second connecting hole 121 which extends outwards, and the second connecting hole 121 is a round hole; of course, in other embodiments, the outer contour of the straight section 11 may be circular, square or other irregular patterns, and the second connecting hole 121 may be a square hole, an oval hole or other irregularly shaped holes, which may be configured by those skilled in the art according to practical situations.

The gasket 1 and the box cover 2 are enclosed to form a cavity with a hollowed bottom surface, and the hollowed bottom surface can be penetrated by the circuit element and the binding post, so that the junction box assembly can be waterproof and isolate a heat source from contacting with an electrified lead; meanwhile, the gasket 1 is provided with a straight section 11 and a convex section 12, the straight section 11 is provided with a first connecting hole 111, the convex section 12 is provided with a second connecting hole 121, and the second connecting hole 121 is used for the power supply wire to pass through, so that the gasket 1 also has a wiring function, and the second connecting hole 121 is arranged on the gasket 1, so that the hidden danger of water leakage caused by a mounting gap between the gasket 1 and a sleeve in the prior art is avoided; in addition, the sleeve is reduced, the installation procedure of the junction box assembly is simplified, meanwhile, the gasket 1 can be directly formed by die machining in the machining process, and compared with the prior art, the die use in the process of producing the sleeve is reduced, and the production cost and the resource consumption are further reduced.

Further, the protruding section 12 includes a connecting portion 122 and a second connecting hole 121, one end of the connecting portion 122 is connected with the straight section 11, the second connecting hole 121 is disposed on the connecting portion 122, the second connecting hole 121 and the connecting portion 122 are disposed at an angle to form a first included angle α, and the first included angle α satisfies 0 ° < α less than or equal to 180 °. As a preferred embodiment, α=90°. It should be noted that, in the examples shown in fig. 1 to 2, the connection portion 122 is disposed perpendicular to the plane where the straight section 11 is located, and the second connection hole 121 extends outwards along a direction perpendicular to the extending direction of the connection portion 122, so that the second connection hole 121 is disposed perpendicular to the connection portion 122, so that the energizing wires are conveniently threaded, so as to realize the routing function of the pad 1; meanwhile, in the use process, when the compressor encounters liquid or heat flow impact, the second connecting holes 121 perpendicular to the connecting portions 122 can ensure that liquid or high-temperature gas enters the cavity as little as possible, so that the influence on the wiring module is reduced, and the service life of the wiring module is further prolonged. Of course, in other embodiments, the angle α between the second connecting hole 121 and the connecting portion 122 may be any value between 0 ° and 180 °, and those skilled in the art can configure the second connecting hole 121 according to the outer contour of the junction box assembly and the shape of the upper cover.

Further, the connecting portion 122 and the straight portion 11 are disposed at an angle to form a second included angle β, and the second included angle β is satisfied, where β is greater than 0 ° and less than or equal to 180 °. As an alternative embodiment, β=90°. It should be noted that, in the exemplary embodiment shown in fig. 1 to 2, the connection portion 122 is disposed perpendicular to the plane of the straight section 11 so as to facilitate connection between the lid 2 and the gasket 1, and in some other embodiments, the angle β between the connection portion 122 and the straight section 11 may be any value between 0 ° and 180 °, and those skilled in the art may configure the connection portion 122 according to the outer contour of the lid 2 and the extending direction of the second connection hole 121.

Referring to fig. 1 to 3, the connecting portion 122 has a groove 1221 disposed along a circumferential direction thereof, and the cover 2 has a protrusion (not shown) adapted to the groove 1221, wherein the groove 1221 is engaged with the protrusion. It should be noted that, taking fig. 2 as an example, the outer contour of the connecting portion 122 has a straight portion and an arc portion, the straight portion is connected with the straight section 11, the arc portion is connected with the box cover 2, and the groove 1221 is disposed on the arc portion, so that the groove 1221 is also an arc groove 1221 adapted to the arc of the arc portion, and correspondingly, a protrusion adapted to the position where the box cover 2 is connected with the arc portion is also disposed at the position where the box cover 2 is connected with the arc portion, so as to facilitate the engagement.

Further, the flat section 11 is provided with a boss 113 arranged along the circumferential direction of the flat section, the box cover 2 is provided with a concave part (not shown in the figure) matched with the boss 113, and the boss 113 is clamped with the concave part. It should be noted that, in fig. 2, the boss 113 is disposed along the circumferential direction of the straight section 11 and has an arc portion and a narrowed portion, and the arc portion and the narrowed portion are sequentially and alternately connected, in other embodiments, the boss 113 may be not disposed along the circumferential direction of the straight section 11, but may be a member having a specific shape, such as an ellipse, a quadrilateral, or the like, which may be configured by those skilled in the art according to practical situations.

As an alternative embodiment, the cover 2 is snap-connected to the gasket 1. It should be noted that in this embodiment, the gasket 1 is made of rubber and is an elastomer, the cover 2 is made of plastic, and in the process of installing the cover 2 and the gasket 1, an operator aligns the concave portion and the convex portion on the cover 2 with the boss 113 on the straight section 11 and the groove 1221 on the connecting portion 122 respectively, and then applies an acting force to the cover 2, so that the gasket 1 is stressed to deform, thereby achieving the effect of interference fit connection, and improving the overall tightness. In other embodiments, the gasket 1 may be made of other elastic waterproof materials such as polyurethane, which is not limited in this embodiment.

In an alternative embodiment, referring to fig. 2, the straight section 11 further has a third connecting hole 112, and the third connecting hole 112 is used for the thermal switch to pass through. In the example shown in fig. 2, the third connecting hole 112 is a cross-shaped hole, which has four protruding portions, two protruding portions are correspondingly arranged, and two adjacent protruding portions are connected through an arc line and are used for accommodating the thermal switch; of course, in some other embodiments, the third connecting hole 112 may be a member with other shapes, such as a round hole, a square hole, etc., and the accommodated circuit element may be a battery, a diode, etc., which may be set by those skilled in the art according to practical situations.

In another embodiment, the present utility model also provides a compressor including: a cover, a terminal and a terminal block assembly as above; the junction box assembly and the wiring terminal are both located on the shell cover, wherein the wiring module is connected with the wiring terminal. As will be appreciated by those skilled in the art, a terminal is typically formed from a section of sheet metal enclosed in insulating plastic and having through holes at both ends, through which wires can be inserted, or screws which can be used to tighten or loosen the wires, and which are members that are capable of achieving an electrical connection and controlling the on or off of the same. In other alternative embodiments, the wiring module may also be connected to a control switch or other circuit element to form a connection circuit within the junction box assembly, thereby ensuring that the connection circuit is not affected by liquids and high temperature environments, and thus achieving normal operation of the compressor.

In summary, in the terminal box assembly and the compressor provided by the embodiments of the present utility model, the terminal box assembly includes: a gasket and a box cover; the gasket and the box cover are enclosed to form a cavity, and the cavity is used for accommodating the binding post and the electrified wire; the gasket is provided with a straight section and a convex section, wherein the straight section is provided with a first connecting hole for the binding post to pass through; the convex section is provided with a second connecting hole, and the second connecting hole extends out along the direction away from the convex section and is used for the electrified wire to pass through; the binding post and the energizing lead are connected in the cavity to form a wiring module, and the wiring module is used for being connected with an external structure.

The gasket and the box cover are enclosed to form a cavity, so that the junction box assembly has the functions of preventing water and isolating a heat source from contacting an electrified wire; meanwhile, the gasket is provided with a straight section and a convex section, the straight section is provided with a first connecting hole, the convex section is provided with a second connecting hole, and the second connecting hole is used for the electrified wire to pass through, so that the gasket also has a wiring function, and the second connecting hole is arranged on the gasket, thereby avoiding the hidden danger of water leakage caused by an installation gap between the gasket and the sleeve in the prior art; in addition, the sleeve is reduced, the installation procedure of the junction box assembly is simplified, meanwhile, the gasket can be directly formed by die machining in the machining process, and compared with the prior art, the die use in the process of producing the sleeve is reduced, and the production cost and the resource consumption are further reduced.

The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims (9)

1. A junction box assembly, comprising: a gasket and a box cover;

The gasket and the box cover are enclosed to form a cavity, the cavity is used for accommodating a wiring module formed by connecting a binding post and an electrified wire, and the wiring module is used for being connected with an external structure;

The gasket is provided with a straight section and a convex section, wherein the straight section is provided with a first connecting hole for the binding post to pass through; the protruding section is provided with a second connecting hole, and the second connecting hole extends out along the direction away from the protruding section and is used for the electrified wire to penetrate through.

2. The junction box assembly of claim 1 wherein said male section includes a connecting portion and said second connecting aperture, one end of said connecting portion being connected to said straight section, said second connecting aperture being disposed on said connecting portion, said second connecting aperture being disposed at an angle to said connecting portion to form a first included angle α, said first included angle α satisfying 0 ° < α+.ltoreq.180°.

3. The junction box assembly of claim 2, wherein α = 90 °.

4. The junction box assembly of claim 2, wherein said connection is disposed at an angle to said straight section to form a second included angle β, said second included angle β satisfying 0 ° < β+.ltoreq.180°.

5. The junction box assembly of claim 4 wherein β = 90 °.

6. The junction box assembly of claim 2 wherein said connecting portion has a recess disposed circumferentially about itself, said cover having a projection adapted to engage said recess, said recess engaging said projection.

7. The junction box assembly of claim 1 wherein said flat section has a boss disposed circumferentially therearound, said cover having a recess adapted to said boss, said boss engaging said recess.

8. The terminal block assembly of claim 6 or 7, wherein the cover is snap-fit with the spacer.

9. A compressor, comprising: a cover, a terminal block, and a terminal block assembly as claimed in any one of claims 1 to 8;

The terminal box assembly and the terminal block are both located on the shell cover, wherein the terminal block is connected with the terminal block.