Compressor terminal box cover and compressor

Abstract

The present invention provides a compressor terminal box cover and a compressor, which are used to seal the terminal mechanism of the compressor, comprising: a first cover plate; a second cover plate provided with a through-hole, wherein the first side surface, the first annular side wall of the first cover plate and the first side surface of the second cover plate together form a first accommodating cavity; and a sealing gasket, wherein the sealing gasket comprises a gasket body and an outer edge sealing member extending from the outer periphery of the gasket body. In the present invention, the outer edge sealing member of the sealing gasket is inserted between the end surface of the first annular side wall of the first cover plate and the second cover plate, and a second annular side wall is provided on the second side surface of the gasket body facing away from the first cover plate. The second annular side wall can pass through the hollow hole to abut against the terminal mechanism of the compressor, thereby enhancing the waterproof and dustproof capabilities of the compressor terminal box cover, thereby upgrading the original waterproof standard from IP55 to IP67, and expanding the use environment of the compressor.

Description

Technical Field

[0001] The invention relates to a junction box cover, in particular to a compressor junction box cover and a compressor. Background Art

[0002] The motor of the existing compressor is usually driven by direct current. The stator lead wire of the motor needs to be connected to the wiring mechanism on the motor housing to power the motor. Figure 1 As shown, the motor unit 120 of the compressor 100 is connected to the compression unit 110 via a crankshaft, thereby driving the compression components of the compression unit 110. A wiring mechanism 130 is provided on the compressor casing. The wiring mechanism 130 electrically connects the motor unit 120 to the lead wires. Specifically, the wiring mechanism 130 connects pins 131 of the wiring mechanism 130 to the terminal of the lead wires to supply power to the motor unit 120.

[0003] Existing lead wire terminals are typically cylindrical. One end of the cylindrical terminal connects to the lead wire, while the other end accommodates the compressor's pins 131, electrically connecting them. However, with cylindrical terminals, conventional wiring typically involves first inserting the lead wire into the terminal, then covering the lead wire and terminal with a junction box cover to protect them from rain and dust. However, in current operating environments, the compressor's junction box cover may become partially submerged in water.

[0004] The junction box cover of the currently mass-produced integrated wiring harness assembly is dustproof and meets the IP55 standard, but it does not meet the IP67 standard. That means that when fully immersed in water, water can enter through the gap between the cover and the compressor's sealed terminal and contact the live terminals. Summary of the Invention

[0005] In response to the problems in the prior art, the purpose of the present invention is to provide a compressor junction box cover with enhanced waterproof and dustproof capabilities, thereby upgrading the original IP55 standard to the IP67 standard, that is, achieving the highest waterproof standard, which can be completely immersed in water without water entering the interior of the junction box cover.

[0006] According to one aspect of the present invention, a compressor terminal box cover is provided, comprising:

[0007] a first cover plate, wherein the outer periphery of a first side surface of the first cover plate has a first annular side wall;

[0008] a second cover plate, provided with a through-hole, wherein the first side surface, the first annular side wall of the first cover plate and the first side surface of the second cover plate together form a first accommodating cavity; and

[0009] A sealing gasket, comprising a gasket body and an outer edge seal extending from the outer periphery of the gasket body, the gasket body being inserted into the first accommodating cavity, the outer edge seal being inserted between the end face of the first annular side wall of the first cover plate and the second cover plate; a second annular side wall is provided on the second side face of the gasket body facing away from the first cover plate, the second annular side wall passes through the hollow hole, and the end face of the second annular side wall abuts against the wiring mechanism of the compressor.

[0010] Preferably, the outer edge of the first side surface of the second cover plate is provided with a plurality of hanging ears protruding toward the first cover plate, and the outer peripheral surface of the first annular side wall of the first cover plate is provided with a plurality of latching protrusions detachably connected to the hanging ears;

[0011] When the hanging ear is engaged with the locking protrusion, the end surface of the first annular side wall presses the outer edge seal.

[0012] Preferably, the pad body is a frustum structure, and the circumference of the frustum structure is interference fit with the first accommodating cavity.

[0013] Preferably, the outer periphery of the second annular side wall is interference fit with the inner diameter of the hollow hole.

[0014] Preferably, the pad body, the outer edge seal and the second annular side wall are integrally formed.

[0015] Preferably, a first side surface of the second cover plate facing away from the first cover plate forms an annular waterproof side wall to buckle with the upper surface of the wiring mechanism.

[0016] Preferably, the second annular side wall is in the shape of a rounded triangle; a through hole is provided at the rounded end of the second annular side wall, and the through hole axially passes through the sealing gasket.

[0017] Preferably, the first cover is provided with an opening, the opening is provided with a detachably connected blocking cover; the blocking cover is provided with a wire outlet;

[0018] A wire hole corresponding to the through hole is provided on the bottom of the first accommodating cavity, and the wire hole is connected to the opening.

[0019] According to another aspect of the present invention, a compressor is provided, which includes a wiring mechanism and is characterized in that it also includes: a compressor wiring box cover, the compressor wiring box cover is sealed and fastened to the upper surface of the wiring mechanism, and the pad, the second annular side wall and the upper surface of the wiring mechanism form a first sealed cavity.

[0020] Preferably, the second side surface of the second cover plate, the waterproof side wall and the upper surface of the wiring mechanism together form a second sealed cavity, the second sealed cavity is an annular structure, and the second sealed cavity surrounds the first sealed cavity.

[0021] Compared with the prior art, the present invention has the following advantages:

[0022] In the present invention, the outer edge seal of the sealing gasket is inserted between the end face of the first annular side wall of the first cover plate and the second cover plate, and a second annular side wall is provided on the second side of the gasket body facing away from the first cover plate. The second annular side wall can pass through the hollow hole to abut against the wiring mechanism of the compressor, thereby enhancing the waterproof and dustproof ability of the compressor wiring box cover, thereby improving the original waterproof standard from IP55 to IP67, and expanding the use environment of the compressor; in the present invention, the second annular side wall is connected to the sealing gasket as a whole, which is easy to install and avoids the problems of cumbersome installation, packaging and transportation caused by the sealing ring as an independent part. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Other features, objects and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings.

[0024] Figure 1 It is a schematic diagram of a compressor in the prior art.

[0025] Figure 2 It is a structural schematic diagram of the compressor junction box cover in the present invention.

[0026] Figure 3 is a schematic cross-sectional view of a compressor junction box cover in the present invention;

[0027] Figure 4 This is a structural diagram of the side surface of the second cover plate in the present invention;

[0028] Figure 5 Schematic diagram of the structure of the lower side of the sealing gasket in the present invention;

[0029] Figure 6 is a schematic cross-sectional view of the sealing gasket of the present invention;

[0030] Figure 7 It is a structural schematic diagram of the lower side of the first cover plate in the present invention;

[0031] Figure 8 is a schematic cross-sectional view of the first cover plate in the present invention;

[0032] Figure 9 is a schematic structural diagram of the blocking cover in the present invention; and

[0033] Figure 10 It is a cross-sectional schematic diagram of the blocking cover in the present invention.

[0034] Reference numerals

[0035] 1 First cover

[0036] 2 Second cover

[0037] 3 Waterproof sidewalls

[0038] 4 hollow holes

[0039] 5. Second accommodating chamber

[0040] 6 Sealing gasket

[0041] 7 First annular side wall

[0042] 8 mounting ears

[0043] 9 Card convex

[0044] 10 Opening

[0045] 11. Cover

[0046] 100 compressors

[0047] 110 Compression Unit

[0048] 120 motor unit

[0049] 130 wiring mechanism

[0050] 131 pins

[0051] 201 cable hole

[0052] 202 first accommodating chamber

[0053] 601 outer edge seal

[0054] 602 second annular side wall

[0055] 603 sealing ring

[0056] 604 through hole

[0057] 605 pad

[0058] 1101 outlet

[0059] 1102 plug connection end DETAILED DESCRIPTION

[0060] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in many 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 comprehensive and complete and will fully convey the concepts of the example embodiments to those skilled in the art. Identical reference numerals in the figures represent identical or similar structures, and thus a repeated description thereof will be omitted.

[0061] In this embodiment, if Figure 2 As shown, the compressor terminal box cover provided by the present invention includes a first cover plate 1, a second cover plate 2 and a sealing gasket 6. The first cover plate 1 is arranged on the upper side of the second cover plate 2, that is, the first cover plate 1 is the upper cover plate and the second cover plate 2 is the lower cover plate. Figure 3 As shown, the first side periphery of the first cover plate 1 has a first annular side wall 7. Figure 4 As shown, the second cover plate 2 is provided with a through-hole 4. The first side surface of the first cover plate 1, the first annular side wall 7, and the first side surface of the second cover plate 2 together form a first accommodating chamber 202. The first side surface of the second cover plate 2 is the upper side surface of the second cover plate 2, and the first side surface of the first cover plate 1 is the lower side surface of the first cover plate 1. The second side surface of the second cover plate 2, facing away from the first cover plate 1, i.e., the lower side surface, forms an annular waterproof side wall 3 to mate with the outer shell of the compressor wiring mechanism 130. The inner side of the waterproof side wall 3 forms a first accommodating chamber 5 that is connected to the first accommodating chamber 202 through the hollow hole 4, forming a channel for conveniently leading out the wires on the wiring mechanism 130.

[0062] The sealing gasket 6 includes a gasket body 605 and an outer edge sealing member 601 extending from the outer periphery of the gasket body 605. The gasket body 605 is inserted into the first accommodating cavity 202, and the outer edge sealing member 601 is inserted between the end face of the first annular side wall 7 of the first cover plate 1 and the second cover plate 2; a second annular side wall 602 is provided on the second side face of the gasket body 605 facing away from the first cover plate 1, and the second annular side wall 602 passes through the hollow hole 4, and the end face of the second annular side wall 602 abuts against the wiring mechanism 130 of the compressor.

[0063] In a preferred embodiment, the cushion body 605, the outer edge seal 601 and the second annular side wall 602 are integrally formed and made of rubber, silicone or polyurethane, so as to have a certain elasticity.

[0064] To further enhance the sealing effect, the sealing gasket 6 is provided with three sealing rings 603. Each sealing ring 603 includes a through-hole 604 extending axially through the sealing gasket 6. This through-hole 604 also provides a seal when fitted over the terminal block of the wiring mechanism 130. When the second annular sidewall 602 is in the shape of a rounded triangle, the through-hole 604 is formed at the rounded end of the second annular sidewall 602. The outer circumference of the sealing ring 603 is tangent to the inner surface of the annular second annular sidewall 602.

[0065] In a preferred embodiment, the ratio of the height of the waterproof side wall 3 to the thickness of the second cover plate 2 is greater than or equal to 0.1. The hollow hole 4 adopts any of the following structures:

[0066] -Rounded triangle, such as Figure 4 As shown;

[0067] -triangle;

[0068] -quadrilateral;

[0069] -Rounded quadrilateral;

[0070] -round.

[0071] When the compressor terminal box cover provided by the present invention is used, when the waterproof sidewall 3 is pressed against the compressor's terminal mechanism 130, the second annular sidewall 602 is squeezed between the outer shell of the terminal mechanism 130 and the inner wall surface of the waterproof sidewall 3, tightly bonding with the terminal mechanism 130 and the inner wall surface of the waterproof sidewall 3. The cushion body 605, the second annular sidewall 602, and the upper surface of the terminal mechanism 130 form a first sealed cavity, thereby preventing water from entering the compressor terminal box cover. The terminal in the terminal mechanism 130 passes through the second annular sidewall 602 and then through the hollow hole 4 and the first accommodating cavity 202 to connect to the wire. The wire further passes through the opening 10 of the first cover plate 1.

[0072] The lower side of the first cover plate 1, the upper side of the second cover plate 2, and the first annular sidewall 7 form a first accommodating cavity 202. A wire hole 201 corresponding to the through hole 604 is provided on the bottom of the first accommodating cavity 202. The wire hole 201 communicates with the opening 10 on the outer side of the first cover plate 1. The opening 10 extends radially along the first cover plate 1 until it connects to the wire hole 201. The wire hole 201 is cross-shaped, but can also be a square, circular, or other shape.

[0073] Figure 5 A schematic structural diagram of one side of the sealing gasket in the present invention is shown. Figure 5 As shown, an outer edge seal 601 extends from the outer circumference of the pad body 605. This outer edge seal 601 is annular and concentric with the pad body 605. A second annular sidewall 602 is provided on the underside of the pad body 605. This second annular sidewall 602 is embedded in the hollow hole 4, vertically sealing the compressor terminal box cover. A through hole 604 extends axially through the pad body 605. The outer edge seal 601 is installed between the first cover plate 1 and the second cover plate 2. The pad body 605 is a frustum-shaped structure, with an interference fit around the circumference of the frustum-shaped structure and the first accommodating cavity 202. The outer circumference of the second annular sidewall 602 is an interference fit within the inner diameter of the hollow hole 4. The outer edge seal 601, positioned between the first and second cover plates 1 and 2, is compressed by the first and second cover plates 1 and 2. The gasket 605 forms an interference fit within the first accommodating cavity 202, ensuring close contact between the gasket 6 and the inner wall of the first accommodating cavity 202 and the hole wall on the upper side of the first cover plate 1, enhancing waterproofing. The second annular sidewall 602 is connected to the outer edge of the lower side of the gasket 605, forming an integral structure with the gasket 6, facilitating quick installation.

[0074] Figure 7 、 Figure 8 The schematic diagram shows the structure of the first cover plate of the present invention. The outer edge of the first side surface of the second cover plate 1 is provided with multiple lugs 8 protruding toward the first side plate 1. The outer circumference of the first annular side wall 7 of the first cover plate 1 is also provided with multiple lugs 8. The lugs 8 are detachably connected to the latching protrusions 9. When the first and second cover plates 1 and 2 are connected via the latching protrusions 9 and the lugs 8, pressure is applied to the outer edge seal 601, causing it to be compressed between the first and second cover plates 1 and 2, achieving a horizontal seal between the first and second cover plates 1 and 2.

[0075] Figure 9 、 Figure 10 , shows a schematic structural diagram of the blocking cover in the present invention, a detachably connected blocking cover 11 is provided on the opening 10, and a wire outlet 1101 is provided on the blocking cover 11. The number of wire outlets 1101, wire holes 201, through holes 604 and sealing through holes 1205 corresponds one to one. The shape of the connecting end 1102 of the blocking cover 11 matches the shape of the opening 10 to form a mating connection. There are three wire outlets 1101, and the three wire outlets 1101 are arranged in sequence. The cross-sectional shape of the blocking cover 11 and the shape of the opening 10 are rectangular. A wire hole 201 corresponding to the through hole 604 is provided on the bottom of the first accommodating cavity 202, and the wire hole 201 is connected to the opening 10.

[0076] The present invention also provides a compressor equipped with the aforementioned compressor terminal box cover. The compressor includes a terminal mechanism 130. The compressor terminal box cover is hermetically fastened to the upper surface of the terminal mechanism 130. The gasket 605, the second annular sidewall 602, and the upper surface of the terminal mechanism 130 form a first sealed cavity. The second side surface of the second cover plate 2, the waterproof sidewall 3, and the upper surface of the terminal mechanism 130 together form a second sealed cavity. The second sealed cavity is annular and surrounds the first sealed cavity. This creates a two-stage sealing structure, with the second sealed cavity serving as the first-stage sealing structure and the first sealed cavity serving as the second-stage sealing structure. This allows water to penetrate the second sealed cavity while the first sealed cavity can still seal the terminal posts on the terminal mechanism 130, preventing them from entering the first sealed cavity.

[0077] In this embodiment, the outer edge seal of the sealing gasket in the present invention is inserted between the end face of the first annular side wall of the first cover plate and the second cover plate, and a second annular side wall is provided on the second side of the gasket body facing away from the first cover plate. The second annular side wall can pass through the hollow hole to abut against the wiring mechanism of the compressor, thereby enhancing the waterproof and dustproof ability of the compressor wiring box cover, thereby improving the original waterproof standard from IP55 to IP67, and expanding the use environment of the compressor; in the present invention, the second annular side wall is connected to the sealing gasket as a whole, which is easy to install, avoiding the problems of cumbersome installation, packaging and transportation caused by the sealing ring as an independent part.

[0078] The above is a further detailed description of the present invention in conjunction with specific preferred embodiments, and the specific implementation of the present invention should not be considered to be limited to these descriptions. For those skilled in the art of the present invention, without departing from the concept of the present invention, several simple deductions or substitutions can be made, which should be considered to fall within the scope of protection of the present invention.

Claims

1. A compressor terminal box cover, used for sealing a terminal mechanism (130) of a compressor, characterized in that: include: A first cover plate (1), wherein the outer periphery of a first side surface of the first cover plate (1) has a first annular side wall (7); a second cover plate (2) provided with a through-hole (4); a first side surface of the first cover plate (1), a first annular side wall (7) and a first side surface of the second cover plate (2) forming a first accommodating cavity (202); and A sealing gasket (6), comprising a gasket body (605) and an outer edge sealing member (601) extending from the outer periphery of the gasket body (605), the gasket body (605) being inserted into the first accommodating cavity (202), and the outer edge sealing member (601) being inserted between the end face of the first annular side wall (7) of the first cover plate (1) and the second cover plate (2); a second annular side wall (602) is provided on the second side face of the gasket body (605) facing away from the first cover plate (1), the second annular side wall (602) passing through the hollow hole (4), and the end face of the second annular side wall (602) abutting against the connecting mechanism (130) of the compressor; The sealing gasket (6) is provided with three sealing rings (603), and the sealing ring (603) includes a through hole (604) axially penetrating the sealing gasket (6); The second annular side wall (602) is in the shape of a rounded triangle, and the through hole (604) is located at the rounded end of the second annular side wall (602); the outer circumference of the sealing ring (603) is tangent to the inner wall surface of the annular second annular side wall (602); The outer periphery of the second annular side wall (602) is interference-fitted with the inner diameter of the hollow hole (4); the pad body (605) is a truncated cone structure, and the circumference of the truncated cone structure is interference-fitted with the first accommodating cavity (202); A first side surface of the second cover plate (2) facing away from the first cover plate (1) forms an annular waterproof side wall (3) for engaging with the upper surface of the wiring mechanism (130); the ratio of the height of the waterproof side wall (3) to the thickness of the second cover plate (2) is greater than or equal to 0.

1.

2. The compressor terminal box cover according to claim 1, characterized in that: The outer edge of the first side surface of the second cover plate (2) is provided with a plurality of hanging ears (8) protruding toward the first cover plate (1), and the outer peripheral surface of the first annular side wall (7) of the first cover plate (1) is provided with a plurality of latching protrusions (9) detachably connected to the hanging ears (8); When the hanging ear (8) is engaged with the locking protrusion (9), the end surface of the first annular side wall (7) presses the outer edge sealing component (601).

3. The compressor terminal box cover according to claim 2, characterized in that: The cushion body (605), the outer edge seal (601) and the second annular side wall (602) are integrally formed.

4. The compressor terminal box cover according to claim 1, characterized in that: The first cover plate (1) is provided with an opening (10), and a detachably connected blocking cover (11) is provided on the opening (10); the blocking cover (11) is provided with a wire outlet (1101); A wire hole (201) corresponding to the through hole (604) is provided on the bottom of the first accommodating cavity (202), and the wire hole (201) is connected to the opening (10).

5. A compressor comprising a connection mechanism (130), characterized in that: Also includes: A compressor terminal box cover according to any one of claims 1 to 4, wherein the compressor terminal box cover is sealed and fastened to the upper surface of the terminal mechanism (130), and the pad (605), the second annular side wall (602) and the upper surface of the terminal mechanism (130) form a first sealed cavity.

6. The compressor according to claim 5, characterized in that: The second side surface of the second cover plate (2), the waterproof side wall (3) and the upper surface of the wiring mechanism (130) together form a second sealed cavity, which is an annular structure and surrounds the first sealed cavity.

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