Compressor

Abstract

To provide a compressor which can make a terminal waterproof in a reliable manner.SOLUTION: A compressor 1 includes: a compressor body 2; a terminal 10 provided on a side surface of the compressor body 2; a terminal cover 12 which covers the terminal 10; and a waterproof cover 16 which covers the terminal cover 12. The waterproof cover 16 includes: a fixed part 20 which is fixed contacting with the side surface of the compressor body 2; and a cover part 30 which covers the terminal cover 12.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present disclosure relates to a compressor. [Background technology]

[0002] Patent Document 1 discloses a compressor equipped with a terminal cover that covers a terminal. This compressor is equipped with a terminal waterproof cover that is composed of a main body with one side open that covers the terminal cover, and an elastic waterproof part that is formed in a ring shape around the periphery of the opening of the main body and that comes into close contact with the surface of the compressor when the terminal cover is covered. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 04-166684 Summary of the Invention [Problem to be solved by the invention]

[0004] An object of the present disclosure is to provide a compressor that can more reliably waterproof terminals. [Means for solving the problem]

[0005] The present disclosure provides a compressor comprising: a compressor body; a terminal provided on a side surface of the compressor body; a cover member covering the terminal; and a waterproof cover covering the cover member, the waterproof cover comprising a fixing portion fixed in contact with the side surface of the compressor body and a cover portion covering the cover member; The fixing portion is formed into a frame shape by bending a flat plate at a plurality of points, and contacts the side surface of the compressor body at a linear extending point. The compressor is characterized by the above. Effect of the Invention

[0006] In the compressor according to the present disclosure, the waterproof cover that covers the cover member that covers the terminals includes a fixing portion and a cover portion, so that the fixing portion can be formed regardless of the shapes of the terminals and the cover member. This makes it possible to more reliably fix the waterproof cover to the compressor body and more reliably waterproof the terminals. [Brief description of the drawings]

[0007] [Figure 1] FIG. 1 is a perspective view of a compressor according to an embodiment; [Diagram 2] FIG. 1 is a perspective view of a compressor according to an embodiment; [Diagram 3] FIG. 1 is a perspective view of a compressor without a waterproof cover. [Figure 4] Perspective view of the fixing part [Diagram 5] A perspective view of the cover [Figure 6] A perspective view of the cover [Figure 7] FIG. 1 is a perspective view of a compressor with a cover portion omitted; [Figure 8] FIG. 13 is a side view of a cover portion according to a modified example of the present disclosure. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] (The knowledge and other information that formed the basis of this disclosure) At the time when the inventors arrived at the idea of ​​this disclosure, there was a technology for waterproofing a terminal in a compressor equipped with a terminal cover that covers the terminal, the technology being composed of a main body having an opening on one side and covering the terminal cover on the other side, and an elastic waterproof part that is formed in a ring shape around the opening of the main body and that comes into close contact with the surface of the compressor when the terminal cover is covered. This makes it possible to realize a compressor that prevents water from entering the terminal cover.

[0009] However, in the conventional configuration, the waterproof cover is attached by being fitted into the terminal cover, and therefore this waterproof cover cannot be used for compressors having terminals or terminal covers with different shapes. Furthermore, since the elastic waterproof portion of this waterproof cover is formed to match the shape of the main body of the waterproof cover, it cannot be used with compressors that have terminals or terminal covers with different shapes.

[0010] Furthermore, since the waterproof cover is fixed to the compressor by the elasticity of the elastic waterproof portion, there is a risk of the waterproof cover peeling off due to vibration of the compressor. The inventors have discovered the above problems and have come to form the subject matter of the present disclosure in order to solve these problems. Therefore, the present disclosure provides a compressor that can more reliably waterproof the terminals.

[0011] Hereinafter, the embodiments will be described in detail with reference to the drawings. However, more detailed explanation than necessary may be omitted. For example, detailed explanation of already well-known matters or duplicate explanation of substantially the same configuration may be omitted. This is to avoid the following explanation becoming more redundant than necessary and to facilitate understanding by those skilled in the art. It should be noted that the accompanying drawings and the following description are provided to enable those skilled in the art to fully understand the present disclosure, and are not intended to limit the subject matter described in the claims.

[0012] (Embodiment) Hereinafter, the embodiment will be described with reference to FIGS. 1 to 8. FIG. [1-1. Configuration] [1-1-1. Compressor configuration] Figures 1 and 2 are perspective views showing a compressor 1 according to this embodiment. Figure 1 is a view seen from the side where a terminal 10 of a compressor body 2 is provided, and Figure 2 is a view seen from the side opposite to the side where the terminal of the compressor body 2 is provided. The compressor 1 shown in Fig. 1 compresses a fluid such as a refrigerant. The compressor 1 is connected by refrigerant piping to an outdoor heat exchanger, an outdoor expansion valve, and an indoor heat exchanger housed in an indoor unit, forming a refrigeration cycle (refrigerant circuit) equipped in an air conditioner. The compressor 1 is housed in the outdoor unit together with the outdoor heat exchanger.

[0013] As shown in Fig. 1, the compressor 1 includes a compressor body 2. The compressor body 2 includes a sealed container 4 having a vertically elongated cylindrical shape with its upper and lower ends closed. The inside of this sealed container 4 contains a compression mechanism, a drive mechanism that drives the compression mechanism, an oil reservoir that retains oil for lubricating these mechanisms, and the like.

[0014] 2, a discharge pipe 6 is provided at a predetermined position on the side peripheral surface of the sealed container 4. This discharge pipe 6 is fixed to the side peripheral surface of the sealed container 4 by penetrating it. The discharge pipe 6 in this embodiment extends horizontally outward from the side peripheral surface of the sealed container 4 and is then bent upward. A suction pipe 8 is provided on the top surface of the sealed container 4 and extends upward.

[0015] When the compression mechanism, drive mechanism, etc. of the compressor 1 start to operate, the refrigerant is sucked into the compressor body 2 through the suction pipe 8 and compressed by the compressor 1. When the refrigerant reaches a predetermined pressure, it is discharged from the discharge pipe 6 to the outside of the sealed container 4. In this embodiment, an injection pipe 9 extending upward similarly to the suction pipe 8 is provided on the top surface of the sealed container 4.

[0016] FIG. 3 is a perspective view of the compressor 1 with the waterproof cover 16 omitted. 3, a terminal 10 is provided at a predetermined position on the side peripheral surface of the sealed container 4. This terminal 10 is a terminal to which various wires such as a signal line for inputting a signal from the outside and a power line for supplying power to the drive mechanism are connected.

[0017] The terminal 10 is covered by a terminal cover 12, which is a cover member. The terminal cover 12 is a cylindrical member with one end closed. The terminal cover 12 is attached to the side peripheral surface of the sealed container 4 so that the periphery of the other end, which is an open end, surrounds the terminal 10. The terminal cover 12 is made of a material having flame retardant and insulating properties.

[0018] In this embodiment, the terminal cover 12 is attached to the sealed container 4 by welding the other end of the terminal cover 12 to the side peripheral surface of the sealed container 4. Hereinafter, the part where the other end of the terminal cover 12 and the side peripheral surface of the sealed container 4 are connected by welding is referred to as a connecting part 14. In this embodiment, on the side peripheral surface of the sealed container 4, the upper edge of the connecting portion 14 is located at approximately the same height as the upper surface of the portion of the discharge pipe 6 that protrudes horizontally.

[0019] A through hole is provided on the lower surface of the terminal cover 12 attached to the sealed container 4, i.e., on a portion of the side peripheral surface of the terminal cover 12 that is located below the compressor 1. Various wires that are connected from the outside of the terminal cover 12 to the terminals 10 housed inside the terminal cover 12 are inserted through this through hole.

[0020] 1 and 2, the compressor 1 includes a waterproof cover 16. The waterproof cover 16 is a member that covers the terminal 10 and the terminal cover 12 to make them waterproof. The waterproof cover 16 includes a fixing portion 20 and a cover portion 30, as shown in FIG.

[0021] FIG. 4 is a perspective view of the fixing portion 20. As shown in FIG. As shown in Fig. 4, the fixing part 20 is a member formed into a frame shape by bending a long plate-like member at multiple locations. In this embodiment, the fixing part 20 is formed by bending a long metal plate at multiple locations. This makes it easy to form the fixing part 20 when producing the waterproof cover 16.

[0022] An adjustment portion 22 is provided at a predetermined location of the fixed portion 20. This adjustment portion 22 is formed by bending both ends of the sheet metal that is the material of the fixed portion 20 so that their flat surfaces face each other while being spaced apart by a predetermined distance. In other words, the adjustment portion 22 is formed by opening the fixed portion 20, which is a frame.

[0023] The adjustment portion 22 has an adjustment screw hole 23 and an adjustment through hole 24. The adjustment screw hole 23 is provided on a plane located near one end of the sheet metal which is the material of the fixed portion 20, and the adjustment through hole 24 is provided on a plane located near the other end of the sheet metal. The adjustment portion 22 is formed by bending both ends of the sheet metal so that the adjustment screw hole 23 and the adjustment through hole 24 face each other.

[0024] 2, an adjustment screw member 29 is inserted through the adjustment screw hole 23 and the adjustment through hole 24. When this adjustment screw member 29 is rotated, both ends of the sheet metal from which the fixed part 20 is made move closer to or farther apart, and the adjustment part 22 is tightened or loosened. When the adjustment portion 22 is tightened or loosened, the overall circumferential length dimension of the fixed portion 20 is extended or shortened. That is, the overall length dimension of the fixed portion 20 in the main direction is adjusted by the adjustment portion 22. Incidentally, the adjustment screw member 29 may be fitted with a spring washer or the like to prevent loosening.

[0025] The fixing portion 20 is provided with an engagement portion 26. The engagement portion 26 is provided at a location on the opposite side of the fixing portion 20 from the adjustment portion 22 in the circumferential direction. The engaging portion 26 is formed linearly with a predetermined length. One edge portion that forms the longitudinal direction of the engaging portion 26 is provided with a notch portion 27 that is cut into a substantially U-shape. The notch portion 27 is formed in substantially the same shape as the upper edge of the connecting portion 14. Moreover, in a plan view of the fixed portion 20, the engaging portion 26 is formed so as to protrude outward from the fixed portion 20.

[0026] Fixing screw holes 28 are provided in the fixing portion 20 at locations in the circumferential direction that are located outside both ends of the engagement portion 26. Each of the fixing screw holes 28 is a screw hole provided in the flat surface of the fixing portion 20. As described above, the engaging portion 26 protrudes outward from the fixed portion 20. Therefore, a step is provided between the engaging portion 26 and the plane on which the fixing screw holes 28 are provided in the fixed portion 20. Moreover, the fixing portion 20 is formed so as to be substantially line-symmetrical with respect to an imaginary line passing substantially through the center of the adjustment portion 22 and the engagement portion 26 in the longitudinal direction as viewed in a plane.

[0027] Figures 5 and 6 are perspective views showing the cover part 30. Figure 5 is a view of the cover part 30 as viewed from the front side, and Figure 6 is a view of the cover part 30 as viewed from the open end 31 side. 5 and 6, the cover portion 30 is a member formed in a box shape with one side open. The cover portion 30 is formed by bending a metal plate into a rectangular parallelepiped shape. Hereinafter, in the cover portion 30, the open portion is referred to as an open end 31, and the flat surface located opposite the open end 31 is referred to as a front surface. In addition, the surface located on the upper side in the up-down direction of the open end 31 of the cover part 30 is defined as the top surface. This top surface is the surface located on the upper side of the compressor 1 when the cover part 30 is attached to the compressor body 2.

[0028] At the upper ends of both horizontal edges of the open end 31, flat fixing pieces 32 are provided. Each fixing piece 32 is a flat plate that extends outward from both horizontal edges of the open end 31 towards the outside of the cover part 30. Each fixing piece 32 is provided with a fixing through hole 33 that is a through hole. Each fixing through hole 33 is formed in an elongated hole shape.

[0029] On both horizontal edges of the open end 31, tongue pieces 34 are provided below each fixed piece 32. Like each fixed piece 32, each tongue piece 34 is a flat plate extending outward from both horizontal edges of the open end 31 towards the outside of the cover part 30.

[0030] In the cover part 30, the top surface and the bottom surface located above and below the open end 31 are each provided with a cover cutout part 35 formed by cutting out a U-shape from the edge part forming the open end 31 toward the front side. Each cover cutout part 35 has approximately the same curvature as the peripheral surface of the sealed container 4. Further, the bottom surface of the cover portion 30 is provided with an insertion portion 36 formed by cutting further in a U-shape from the cover cutout portion 35 toward the front side.

[0031] In the cover portion 30, a resin material such as rubber is provided on each edge of the open end 31. Similarly, in each fixing piece 32 and each tongue piece 34, a resin material such as rubber is provided on the flat surface facing outward from the cover portion 30.

[0032] [1-2. Effect] The operation of the compressor 1 configured as above will be described below. [1-2-1. Waterproof cover installation procedure] The procedure for attaching the waterproof cover 16 to the compressor body 2 will now be described. FIG. 7 is a perspective view of the compressor 1 with the cover portion 30 omitted. First, the fixing part 20 is attached to the compressor body 2 so that the compressor body 2 is inserted into the frame of the fixing part 20. Specifically, the upper edge of the connecting part 14 fits into the cutout part 27, so that the engaging part 26 engages with the compressor body 2. Furthermore, a predetermined part of the fixing part 20 is placed on the upper surface of the part of the discharge pipe 6 that protrudes horizontally. In this way, the fixing part 20 is supported by the compressor body 2.

[0033] Next, the adjustment screw member 29 is rotated by a screwdriver or the like to tighten the adjustment part 22. Then, the overall circumferential length dimension of the fixed part 20 is shortened. With the overall circumferential length dimension of the fixed part 20 shortened, each of the multiple linearly extending portions of the fixed part 20 abuts against corresponding portions of the circumferential surface of the sealed container 4. As a result, the fixed part 20 is fixed to the compressor body 2.

[0034] Next, the cover part 30 is fixed to the fixed part 20 . First, the cover part 30 is slid toward the compressor body 2 so that the engaging part 26 is inserted into the inside of the open end 31 of the cover part 30, thereby engaging the cover part 30 with the fixing part 20. In this case, the edge part on the open end 31 side of the top surface, which is the surface located above the cover part 30, abuts against the upper edge of the engaging part 26 and is supported. The cover portion 30 engaged with the fixing portion 20 in this manner accommodates the terminal 10 and the entire terminal cover 12 therein.

[0035] Thereafter, as shown in FIG. 1, a pair of fixing screw members 39 are inserted into the respective fixing through holes 33 and screwed into the fixing screw holes 28, whereby the cover portion 30 is fixed to the fixing portion 20. As shown in FIG. This allows the waterproof cover 16 to be attached to the compressor body 2.

[0036] When the cover part 30 is fixed to the fixing part 20, the edge of the open end 31, the fixing pieces 32, and the tongue pieces 34 are pressed and abutted against predetermined locations on the circumferential surface of the sealed container 4 via the resin material. In this way, the resin material provided on the edge of the open end 31, the fixing pieces 32, and the tongue pieces 34 functions as a sealing member, such as a packing, that seals the sealed container 4 of the compressor body 2 and the cover part 30.

[0037] In addition, when viewed from the lower side of the compressor 1, in other words, from the bottom side of the cover part 30, the insertion part 36 is disposed at a position overlapping with a through hole provided in the terminal cover 12. This allows various wires to be connected to the terminal 10 via the insertion part 36 and the through hole provided in the terminal cover 12. In addition, by providing the insertion portion 36 in the cover portion 30, even when the waterproof cover 16 is attached to the compressor main body 2, the occurrence of condensation, etc. inside the cover portion 30 due to the temperature difference between the inside and outside of the cover portion 30 is suppressed.

[0038] [1-2-2. Function of compressor in air conditioner] As described above, the compressor 1 is housed in the outdoor unit of the air conditioner. In general, the outdoor unit is provided with an opening for taking in outside air with a fan. For this reason, moisture such as rainwater may get inside the indoor unit placed outdoors. In addition, since the outdoor unit contains an outdoor heat exchanger, there is a risk that condensation water formed on the surface of the outdoor heat exchanger may splash into the interior of the outdoor unit.

[0039] The compressor 1 of the present embodiment is provided with a waterproof cover 16 that covers the terminal 10 and the terminal cover 12. As a result, even if moisture inside the outdoor unit flows toward the compressor 1, the waterproof cover 16 prevents the water from reaching the terminal 10. Furthermore, the insertion portion 36 that connects the inside and outside of the cover portion 30 opens toward the bottom surface of the cover portion 30, i.e., toward the bottom of the compressor 1, thereby preventing water from entering through the insertion portion 36.

[0040] [1-3. Effects, etc.] As described above, in this embodiment, the compressor 1 includes the compressor body 2, the terminal 10 provided on the side surface of the compressor body 2, the terminal cover 12 that covers the terminal 10, and the waterproof cover 16 that covers the terminal cover 12. The waterproof cover 16 includes a fixing portion 20 that is fixed in contact with the side surface of the compressor body 2, and a cover portion 30 that covers the terminal cover 12.

[0041] As a result, the terminal 10 and the terminal cover 12 are made waterproof by the waterproof cover 16. Therefore, the waterproof performance of the compressor 1 can be improved.

[0042] As in this embodiment, the cover part 30 may be detachable from the fixed part 20 . As a result, the waterproof cover 16 is formed with the cover portion 30 and the fixing portion 20 as separate bodies. This improves the stability of the waterproof cover 16 fixed to the compressor body 2, and allows wiring work for the compressor 1 to be performed by removing only the cover portion 30 without removing the fixing portion 20.

[0043] As in this embodiment, the cover part 30 may be detachable from the fixed part 20 . As a result, the waterproof cover 16 has the cover portion 30 and the fixing portion 20 formed as separate bodies, and the cover portion 30 can be easily attached and detached. This improves the stability of the waterproof cover 16 fixed to the compressor body 2, and allows wiring work for the compressor 1 to be performed by removing only the cover portion 30 without removing the fixing portion 20.

[0044] As in this embodiment, the compressor body 2 is formed in a columnar shape, and the fixing portion 20 is formed in an elongated shape extending along the circumferential direction of the compressor body 2 and over the entire circumferential surface of the compressor body 2, and the fixing portion 20 may be provided with an adjustment portion 22 that can adjust the length dimension of the fixing portion 20. Thereby, the waterproof cover 16 is fixed to the compressor body 2 by adjusting the length dimension of the fixing part 20 with the adjustment part 22. Therefore, in the compressor 1, the waterproof cover 16 can be easily attached and detached.

[0045] As in this embodiment, the adjustment portion 22 may be disposed on the opposite side of the terminal 10 with the compressor body 2 interposed therebetween. As a result, the fixed portion 20 is formed in a generally symmetrical shape in plan view with the adjustment portion 22 in between. Therefore, the fixed portion 20 can be easily formed in a shape such that, when the adjustment screw member 29 of the adjustment portion 22 is tightened, a tightening force is applied evenly to both sides of the frame shape of the fixed portion 20 with the adjustment portion 22 in between.

[0046] As in this embodiment, the fixing portion 20 may be formed into a frame shape by bending a flat plate at multiple points, and may be formed so as to contact the side surface of the compressor body 2 at a point where it extends linearly. As a result, the fixing portion 20 is formed by a simple manufacturing method, and therefore the waterproof cover 16 can be fixed to the compressor body 2 by using the fixing portion 20 formed by a simple configuration.

[0047] As in this embodiment, the fixing portion 20 may be supported by the compressor body 2 by being engaged with the connecting portion 14 that connects the compressor body 2 and the terminal cover 12. As a result, the fixing parts 20 abut against the side surfaces of the compressor body 2 at points extending linearly over the entire circumferential direction, and are fixed to the compressor body 2 by being supported by the connecting parts 14. Therefore, even if the adjustment parts 22 become loose, the waterproof cover 16 is prevented from falling off the compressor body 2 because the fixing parts 20 are supported by the connecting parts 14.

[0048] As in this embodiment, the fixed portion 20 may be supported by the discharge pipe 6 provided on the side surface of the compressor body 2. As a result, the fixing part 20 abuts against the side surface of the compressor body 2 at points extending linearly over the entire circumferential direction, and is fixed to the compressor body 2 by being supported by the discharge pipe 6. Therefore, even if the adjustment part 22 becomes loose, the waterproof cover 16 is prevented from falling off the compressor body 2 because the fixing part 20 is supported by the discharge pipe 6.

[0049] (Other embodiments) As described above, the above embodiment has been described as an example of the technology disclosed in this application. However, the technology in this disclosure is not limited to this, and can be applied to embodiments in which modifications, substitutions, additions, omissions, etc. are made. In addition, it is also possible to combine the components described in the above embodiment to create a new embodiment. Therefore, other embodiments will be exemplified below.

[0050] FIG. 8 is a side view of the cover portion 30 in a modified example of the present disclosure. In the above-described embodiment, the top surface of the cover part 30 is provided so as to protrude substantially horizontally from the side peripheral surface of the sealed container 4. However, this is not limited thereto, and the top surface of the cover part 30 may be formed so as to be an inclined surface with respect to the side peripheral surface of the sealed container 4, as shown in FIG.

[0051] This allows water adhering to the top surface of the cover part 30 to be drained from the waterproof cover 16 along the inclined surface of the top surface. Note that, although in Fig. 8 the top surface of the cover part 30 is an inclined surface that slopes downward as it goes away from the compressor body 2, the present invention is not limited to this and may be formed in any direction as long as the surface slopes downward. Furthermore, the top surface of the cover portion 30 is not limited to a surface that slopes in one direction, and may have a surface that slopes in multiple directions, such as a gable shape or a pyramid shape.

[0052] For example, in the above-described embodiment, each part of the waterproof cover 16 is formed from a metal material, but the present invention is not limited to this and may be formed from any material that is waterproof. Furthermore, for example, the fixing portion 20 may be formed in an annular shape having substantially the same curvature as the circumferential surface of the compressor body 2 .

[0053] In the above-described embodiment, the fixing portion 20 is supported by the discharge pipe 6, but this is not limited thereto, and the fixing portion 20 may be supported by various members protruding from the peripheral surface of the sealed container 4, such as other piping or ports. Furthermore, the fixing portion 20 does not necessarily have to be supported by such a member.

[0054] In the above-described embodiment, the compressor 1 is provided in an air conditioner, but the present invention is not limited to this and may be provided in various types of refrigeration and freezing equipment having a refrigeration cycle, such as a refrigerator or a showcase. [Industrial Applicability]

[0055] The present disclosure is applicable to compressors provided in refrigeration and freezing equipment having a refrigeration cycle, specifically, to compressors provided in air conditioners and refrigeration equipment. [Explanation of symbols]

[0056] 1 Compressor 2 Compressor body 4. Airtight containers 6 Discharge pipe (piping) 8 Suction tube Terminal 10 12 Terminal cover (cover material) 14 Connection part 16 Waterproof cover 20 Fixed part 22 Adjustment part 30 Cover part

Claims

1. A compressor body, A terminal provided on a side surface of the compressor body; A cover member for covering the terminal; A waterproof cover that covers the cover member, The waterproof cover includes a fixing portion that is fixed to a side surface of the compressor body and a fixing portion that is fixed to the side surface of the compressor body. A cover portion that covers the cover member, The fixing portion is formed into a frame shape by bending a flat plate at a plurality of points, and contacts the side surface of the compressor body at a linear extending point. A compressor characterized by:

2. The cover portion is detachable from the fixed portion.

2. The compressor according to claim 1 .

3. The compressor body is formed in a columnar shape, The fixing portion is formed in an elongated shape extending over the entire circumferential surface of the compressor body along the circumferential direction of the compressor body, The fixing portion is provided with an adjustment portion that can adjust the length dimension of the fixing portion. The compressor according to claim 1 or 2.

4. The adjustment portion is disposed on the opposite side of the compressor body from the terminal.

4. The compressor according to claim 3.

5. The top surface of the cover portion is an inclined surface. The compressor according to any one of claims 1 to 4.

6. The fixing portion is supported by the compressor body by being engaged with a connecting portion that connects the compressor body and the cover member. The compressor according to any one of claims 1 to 5.

7. The fixing portion is supported by a pipe provided on a side surface of the compressor body. The compressor according to any one of claims 1 to 6.

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