Compressor provided with gasket

The compressor design with a gasket system and specific depth/thickness ratios addresses fluid leakage issues, enhancing stability and efficiency by enclosing the fixed scroll within the cap, thus preventing leakage and noise transmission.

WO2025254412A1PCT designated stage Publication Date: 2025-12-11DOOWON TECHN COLLEGE +1
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Patent Information

Application Number
PCT/KR2025/007533
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-06-04
Filing Date
2025-06-02
Publication Date
2025-12-11

AI Technical Summary

Technical Problem

Conventional scroll compressors experience fluid leakage between the housing, fixed scroll, and cap due to their structural design, which affects efficiency and stability.

Method used

A compressor design incorporating a gasket system with a receiving space and multiple gaskets between the shaft support member and cap, and between the fixed scroll and cap, ensuring a specific depth and thickness relationship to prevent fluid leakage and stabilize the fixed scroll within the cap.

Benefits of technology

Minimizes fluid leakage and reduces noise transmission by enclosing the fixed scroll, maintaining a stable contact state and preventing misassembly, while enhancing the compressor's operational stability and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

Disclosed is a compressor. The compressor according to one aspect of the present invention may comprise: a shaft support member; an orbiting scroll coupled to the shaft support member; an orbiting scroll accommodated in the shaft support member; a fixed scroll that comes into contact with the orbiting scroll and compresses a fluid by means of the rotation of the orbiting scroll; a cap that is provided with an accommodation space for accommodating the fixed scroll and is coupled to the shaft support member so that the accommodation space is sealed; a first gasket disposed between the shaft support member and the cap; and a second gasket disposed between the fixed scroll and the cap. The sum of the depth of the accommodation space and the thickness of the first gasket may be greater than or equal to the sum of the height of the fixed scroll and the thickness of the second gasket.
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Description

Compressor equipped with gasket

[0001] The present invention relates to a compressor, and more particularly, to a compressor having a gasket that prevents fluid inside the compressor from leaking to the outside.

[0002] In general, a compressor is a device for compressing a fluid such as a gas or a mixture of gas and liquid to increase its pressure and temperature.

[0003] Among these compressors, scroll compressors compress fluid using fixed scrolls and orbiting scrolls that are arranged to interlock with each other. More specifically, scroll compressors are configured such that a compression chamber is formed between the fixed scroll and the orbiting scroll, and the orbiting scroll is relatively moved (orientated) by a motor or the like to compress the fluid within the compression chamber. These scroll compressors can achieve a relatively high compression ratio compared to other types of compressors, and the suction, compression, and discharge cycles of the refrigerant are smoothly connected, thereby obtaining stable torque. Therefore, scroll compressors are widely used for refrigerant compression in air conditioning systems, etc.

[0004] However, these conventional compressors have a structure in which a housing, a fixed scroll, and a cap for discharging compressed fluid are stacked, and thus there is a problem in that fluid may leak between the housing and the fixed scroll or between the fixed scroll and the cap.

[0005] The present invention is intended to solve the above problems, and an object of the present invention is to provide a compressor equipped with a gasket that prevents fluid inside the compressor from leaking to the outside.

[0006] The tasks of the present invention are not limited to the tasks mentioned above, and other tasks not mentioned will be clearly understood by those skilled in the art to which the present invention pertains from the description below.

[0007] According to one aspect of the present invention, a compressor is provided, comprising: a shaft support member; an orbiting scroll coupled to the shaft support member; an orbiting scroll accommodated in the shaft support member; a fixed scroll in contact with the orbiting scroll and compressing a fluid by orbiting the orbiting scroll; a cap having a receiving space for accommodating the fixed scroll and coupled to the shaft support member so that the receiving space is sealed; a first gasket disposed between the shaft support member and the cap; and a second gasket disposed between the fixed scroll and the cap, wherein a sum of a depth of the receiving space and a thickness of the first gasket is equal to or greater than a sum of a height of the fixed scroll and a thickness of the second gasket.

[0008] At this time, the depth of the above-mentioned receiving space may be equal to the height of the above-mentioned fixed scroll.

[0009] At this time, the thickness of the first gasket may be equal to or greater than the thickness of the second gasket.

[0010] At this time, the thickness of the first gasket may be the same as the thickness of the second gasket.

[0011] At this time, the depth of the above-mentioned accommodation space may be greater than the height of the above-mentioned fixed scroll.

[0012] At this time, the difference between the depth of the receiving space and the height of the fixed scroll may be greater than the thickness of the first gasket.

[0013] At this time, the fixed scroll can come into contact with the shaft support member.

[0014] At this time, the fixed scroll can be formed to correspond to the receiving space.

[0015] According to the above configuration, the compressor according to the embodiment of the present invention can minimize the fluid inside the compressor from leaking out to the outside, since the fixed scroll is accommodated in the cap, unlike the conventional structure in which the fixed scroll is exposed to the outside.

[0016] Additionally, as the fixed scroll is moved and assembled inside the cap, the cap can reduce the noise of the fixed scroll being transmitted to the outside.

[0017] In addition, since the cap is formed with a polygonal structure, misassembly is prevented during the process of the fixed scroll being accommodated in the cap, and rotation of the fixed scroll is prevented by the polygonal structure of the cap.

[0018] In addition, since the sum of the depth of the receiving space and the thickness of the first gasket is equal to or greater than the sum of the depth of the fixed scroll and the thickness of the second gasket, a stable contact state is maintained between the shaft support member and the cap, thereby preventing fluid from leaking out between the shaft support member and the cap.

[0019] FIG. 1 is an exploded perspective view schematically showing a compressor according to an embodiment of the present invention.

[0020] FIG. 2 is a perspective view showing a fixed scroll accommodated in a cap of a compressor according to an embodiment of the present invention.

[0021] Figure 3 is a perspective view showing a cap of a compressor according to an embodiment of the present invention.

[0022] Fig. 4 is a front view showing a cap of a compressor according to an embodiment of the present invention.

[0023] FIG. 5 is a perspective view showing a shaft support member of a compressor according to an embodiment of the present invention.

[0024] FIG. 6 is a perspective view showing a fixed scroll accommodated in a cap of a compressor according to an embodiment of the present invention.

[0025] Fig. 7 is a cross-sectional view showing a part of a compressor according to an embodiment of the present invention.

[0026] Fig. 8 is a side view showing a portion of the interior of a compressor according to an embodiment of the present invention.

[0027] Fig. 9 is a cross-sectional view focusing on the inside of the shaft support member and cap of the compressor according to an embodiment of the present invention.

[0028] Fig. 10 is a cross-sectional view showing the shaft support member, the rotating scroll, the fixed scroll, and the cap of the compressor according to an embodiment of the present invention separated.

[0029] FIG. 11 is a drawing showing the depth of the receiving space, the depth of the fixed scroll, the thickness of the first gasket, and the thickness of the second gasket in a compressor according to an embodiment of the present invention.

[0030] Hereinafter, with reference to the attached drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily practice the present invention. The present invention may be implemented in various different forms and is not limited to the embodiments described herein. To clearly explain the present invention, parts irrelevant to the description are omitted in the drawings, and the same reference numerals designate identical or similar components throughout the specification.

[0031] The words and terms used in this specification and claims should not be construed as limited to their ordinary or dictionary meanings, but should be interpreted in a way that is consistent with the technical idea of ​​the present invention, in accordance with the principles by which the inventor can define terms and concepts in order to best explain his or her invention.

[0032] Therefore, the embodiments described in this specification and the configurations illustrated in the drawings correspond to a preferred embodiment of the present invention, and do not represent all of the technical ideas of the present invention, so there may be various equivalents and modified examples that can replace the configuration at the time of filing of the present invention.

[0033] In this specification, terms such as “include” or “have” are intended to describe the presence of a feature, number, step, operation, component, part or combination thereof described in the specification, but should be understood not to exclude in advance the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts or combinations thereof.

[0034] When a component is said to be "in front of," "behind," "above," or "below" another component, this includes not only being placed "in front of," "behind," "above," or "below" the other component in direct contact with it, but also if there is another component intervening therebetween. Furthermore, when a component is said to be "connected" to another component, this includes not only being directly connected to one another, but also being indirectly connected to one another, unless there are special circumstances.

[0035] Hereinafter, a compressor according to an embodiment of the present invention will be described with reference to the drawings.

[0036] FIG. 1 is an exploded perspective view schematically showing a compressor according to an embodiment of the present invention.

[0037] Referring to FIG. 1, a compressor (100) according to an embodiment of the present invention includes a housing (110), a shaft support member (120), a rotating scroll (125), a fixed scroll (140), and a cap (160).

[0038] The above housing (110) includes a driving unit (not shown) for rotating the above rotating scroll (125). The driving unit may be an electric motor.

[0039] In addition, a control unit (127) that controls the operation of the driving unit is connected to one side of the housing (110). In addition, according to various embodiments of the present invention, the control unit (127) may be placed inside the housing (110).

[0040] And, the other side of the housing (110) includes an axial support member (120) that supports the rotating scroll (125).

[0041] The above-described orbiting scroll (125) is accommodated in the above-described shaft support member (120). In addition, the orbiting scroll (125) includes a circular plate (125a) and a spiral-shaped orbiting wrap (125b). For example, the orbiting wrap (125b) may be formed in a spiral shape while being supported by the circular plate (125a).

[0042] The above-mentioned rotary scroll (125) is mounted on the inside of the shaft support member (120). Specifically, the circular plate (125a) of the above-mentioned rotary scroll (125) is mounted on the inside of the shaft support member (120).

[0043] And, the driving unit provided in the housing (110) is connected to the orbiting scroll (125) through a rotation shaft (not shown). At this time, during the process of assembling the shaft support member (120) with the orbiting scroll (125), the rotation shaft does not interfere with the connection with the orbiting scroll (125). And, the shaft support member (120) can support the rotation shaft.

[0044] And, the above-mentioned rotary scroll (125) is connected to the rotary axis and rotates in a certain direction according to the rotation of the rotary axis.

[0045] The fixed scroll (140) is in contact with the orbiting scroll (125) so that the orbiting scroll (125) rotates. In addition, a compression chamber (not shown) is provided between the fixed scroll (140) and the orbiting scroll (125) in which fluid is compressed by the rotation of the orbiting scroll (125). That is, the orbiting scroll (125) can compress the fluid in the compression chamber while rotating in a state in which it is in close contact with the fixed scroll (140) at an appropriate pressure. At this time, the fluid introduced into the compression chamber is compressed into a high-temperature, high-pressure fluid and discharged.

[0046] The cap (160) is provided with a receiving space for receiving the fixed scroll (140). In addition, the cap (160) is connected to the housing (110) by a bolt (190) so that the receiving space is sealed. At this time, the bolt (190) penetrates the shaft support member (120) to secure the cap (160) and the housing (110).

[0047] And, as the fixed scroll (140) is accommodated in the cap (160), the fixed scroll (140) is not exposed to the outside. That is, in the compressor (100) according to the embodiment of the present invention, as the fixed scroll (140) is accommodated in the cap (160), unlike the structure in which the fixed scroll is exposed to the outside in the related art, the fixed scroll (140) is not exposed to the outside, and thus, the fluid inside the compressor can be minimized from leaking to the outside.

[0048] Additionally, the compressor (100) according to the embodiment of the present invention includes a first gasket (130) and a second gasket (150).

[0049] The first gasket (130) is positioned between the shaft support member (120) and the cap (160). The first gasket (130) may be made of rubber or silicone. However, the first gasket (130) is not limited to being made of rubber or silicone, and may be made of various elastic materials.

[0050] Additionally, the first gasket (130) may be formed in a hexagonal shape.

[0051] And, as illustrated in FIG. 7 described later, the first gasket (130) seals between the shaft support member (120) and the cap (160), thereby preventing the fluid of the compressor from leaking out to the outside.

[0052] The second gasket (150) is positioned between the fixed scroll (140) and the cap (160). The second gasket (150) may be made of rubber or silicone. However, the second gasket (150) is not limited to being made of rubber or silicone, and may be made of various elastic materials.

[0053] At this time, the second gasket (150) is placed inside the cap (160). Accordingly, the second gasket (150) does not interfere with the fixed scroll (140) being accommodated in the accommodation space of the cap (160).

[0054]

[0055] FIG. 2 is a perspective view showing a fixed scroll accommodated in a cap of a compressor according to an embodiment of the present invention, FIG. 3 is a perspective view showing a cap of a compressor according to an embodiment of the present invention, and FIG. 4 is a front view showing a cap of a compressor according to an embodiment of the present invention.

[0056] Referring to FIGS. 2 to 4, the receiving space (160a) of the cap (160) has a polygonal shape when viewed from the direction in which the fixed scroll (140) is received. Here, the direction in which the fixed scroll (140) is received is the Y direction.

[0057] In addition, the receiving space (160a) of the cap may be formed in a hexagonal shape. However, the receiving space (160a) of the cap is not limited to being formed in a hexagonal shape, and may be formed in a polygonal shape greater than a triangular shape.

[0058] Specifically, the cap (160) includes a first side portion (161a), a second side portion (161b), a third side portion (161c), a fourth side portion (161d), a fifth side portion (161e), and a sixth side portion (161f).

[0059] The second side portion (161b) extends from the first side portion (161a). In addition, the second side portion (161b) is formed to be inclined with respect to the first side portion (161a). At this time, the angle between the first side portion (161a) and the second side portion (161b) may be 60°.

[0060] The third side portion (161c) extends from the second side portion (161b). In addition, the third side portion (161c) is formed to be inclined with respect to the second side portion (161b). At this time, the angle between the second side portion (161b) and the third side portion (161c) may be 60°.

[0061] The fourth side portion (161d) extends from the third side portion (161c). In addition, the fourth side portion (161d) is formed to be inclined with respect to the third side portion (161c). At this time, the angle between the third side portion (161c) and the fourth side portion (161d) may be 60°.

[0062] The fifth side portion (161e) extends from the fourth side portion (161d). In addition, the fifth side portion (161e) is formed to be inclined with respect to the fourth side portion (161d). At this time, the angle between the fourth side portion (161d) and the fifth side portion (161e) may be 60°.

[0063] The sixth side portion (161f) extends from the fifth side portion (161e). In addition, the sixth side portion (161f) is formed to be inclined with respect to the fifth side portion (161e). At this time, the angle between the fifth side portion (161e) and the sixth side portion (161f) may be 60°.

[0064] At this time, the sixth side portion (161f) is connected to the first side portion (161a). In addition, the sixth side portion (161f) may be arranged at an angle relative to the first side portion (161a). At this time, the angle between the sixth side portion (161f) and the first side portion (161a) may be 60°.

[0065] Additionally, the cap (160) includes a first protrusion (162a), a second protrusion (162b), a third protrusion (162c), a fourth protrusion (162d), a fifth protrusion (162e), and a sixth protrusion (162f).

[0066] The first protrusion (162a) is formed to protrude from the inner surface between the first side portion (161a) and the second side portion (161b). In addition, the first protrusion (162a) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0067] The second protrusion (162b) is formed by protruding from the inner surface between the second side portion (161b) and the third side portion (161c). In addition, the second protrusion (162b) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0068] The third protrusion (162c) is formed by protruding from the inner surface between the third side portion (161c) and the fourth side portion (161d). In addition, the third protrusion (162c) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0069] The fourth protrusion (162d) is formed by protruding from the inner surface between the fourth side portion (161d) and the fifth side portion (161e). In addition, the fourth protrusion (162d) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0070] The fifth protrusion (162e) is formed by protruding from the inner surface between the fifth side portion (161e) and the sixth side portion (161f). In addition, the fifth protrusion (162e) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0071] The sixth protrusion (162f) is formed by protruding from the inner surface between the sixth side portion (161f) and the first side portion (161a). In addition, the sixth protrusion (162f) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0072] In addition, the first protrusion (162a), the second protrusion (162b), the third protrusion (162c), the fourth protrusion (162d), the fifth protrusion (162e), and the sixth protrusion (162f) may have a length direction along the Y-axis direction on the inner surface of the cap (160). Accordingly, the first protrusion (162a), the second protrusion (162b), the third protrusion (162c), the fourth protrusion (162d), the fifth protrusion (162e), and the sixth protrusion (162f) serve to guide the fixed scroll (140) during the process of the fixed scroll (140) being inserted into the receiving space of the cap (160) along the Y-axis direction.

[0073] And, as shown in Fig. 2, the fixed scroll (140) has a fixed wrap (141) formed in a spiral shape from the outer side toward the center.

[0074] In addition, the fixed scroll (140) includes a first catch (142a), a second catch (142b), a third catch (142c), a fourth catch (142d), a fifth catch (142e), and a sixth catch (142f) extending from the fixed wrap (141).

[0075] The first catch (142a) is positioned between the sixth protrusion (162f) and the first protrusion (162a). In addition, the first catch (142a) is formed to correspond to the first catch groove (163a) formed by the first side portion (161a), the sixth protrusion (162f), and the first protrusion (162a).

[0076] At this time, one end of the first catch (142a) is formed in a shape corresponding to one side of the sixth protrusion (162f). For example, one end of the first catch (142a) is formed to have a curved surface. Accordingly, one end of the first catch (142a) is prevented from being damaged by contact with one side of the sixth protrusion (162f). In addition, the other end of the first catch (142a) is formed in a shape corresponding to the other side of the first protrusion (162a). At this time, the other end of the first catch (142a) is formed symmetrically with one end of the first catch (142a). For example, the other end of the first catch (142a) is formed to have a curved surface. Accordingly, the other end of the first catch (142a) is prevented from being damaged by contact with the other side of the first protrusion (162a).

[0077] Accordingly, the first catch (142a) is caught in the first catch groove (163a), thereby preventing the fixed scroll (140) from rotating along with the rotation of the rotating scroll (125, see FIG. 1).

[0078] The second catch (142b) is positioned between the first protrusion (162a) and the second protrusion (162b). In addition, the second catch (142b) is formed to correspond to the second catch groove (163b) formed by the second side portion (161b), the first protrusion (162a), and the second protrusion (162b).

[0079] At this time, one end of the second catch (142b) is formed in a shape corresponding to one side of the first protrusion (162a). For example, one end of the second catch (142b) is formed to have a curved surface. Accordingly, one end of the second catch (142b) is prevented from being damaged by contact with one side of the first protrusion (162a). In addition, the other end of the second catch (142b) is formed in a shape corresponding to the other side of the second protrusion (162b). At this time, the other end of the second catch (142b) is formed symmetrically with one end of the second catch (142b). For example, the other end of the second catch (142b) is formed to have a curved surface. Accordingly, the other end of the second catch (142b) is prevented from being damaged by contact with the other side of the second protrusion (162b).

[0080] Accordingly, the second catch (142b) is caught in the second catch groove (163b), thereby preventing the fixed scroll (140) from rotating along with the rotation of the rotating scroll (125, see FIG. 1).

[0081] The third catch (142c) is positioned between the second protrusion (162b) and the third protrusion (162c). In addition, the third catch (142c) is formed to correspond to the third catch groove (163c) formed by the third side portion (161c), the second protrusion (162b), and the third protrusion (162c).

[0082] At this time, one end of the third catch (142c) is formed in a shape corresponding to one side of the second protrusion (162b). For example, one end of the third catch (142c) is formed to have a curved surface. Accordingly, one end of the third catch (142c) is prevented from being damaged by contact with one side of the second protrusion (162b). In addition, the other end of the third catch (142c) is formed in a shape corresponding to the other side of the third protrusion (162c). At this time, the other end of the third catch (142c) is formed symmetrically with one end of the third catch (142c). For example, the other end of the third catch (142c) is formed to have a curved surface. Accordingly, the other end of the third catch (142c) is prevented from being damaged by contact with the other side of the third protrusion (162c).

[0083] Accordingly, the third catch (142c) is caught in the third catch groove (163c), thereby preventing the fixed scroll (140) from rotating along with the rotation of the rotating scroll (125, see FIG. 1).

[0084] The fourth catch (142d) is positioned between the third protrusion (162c) and the fourth protrusion (162d). In addition, the fourth catch (142d) is formed to correspond to the fourth catch groove (163d) formed by the fourth side portion (161d), the third protrusion (162c), and the fourth protrusion (162d).

[0085] At this time, one end of the fourth catch (142d) is formed in a shape corresponding to one side of the third protrusion (162c). For example, one end of the fourth catch (142d) is formed to have a curved surface. Accordingly, one end of the fourth catch (142d) is prevented from being damaged by contact with one side of the third protrusion (162c). In addition, the other end of the fourth catch (142d) is formed in a shape corresponding to the other side of the fourth protrusion (162d). At this time, the other end of the fourth catch (142d) is formed symmetrically with one end of the fourth catch (142d). For example, the other end of the fourth catch (142d) is formed to have a curved surface. Accordingly, the other end of the fourth catch (142d) is prevented from being damaged by contact with the other side of the fourth protrusion (162d).

[0086] Accordingly, the fourth catch (142d) is caught in the fourth catch groove (163d), thereby preventing the fixed scroll (140) from rotating along with the rotation of the rotating scroll (125, see FIG. 1).

[0087] The fifth catch (142e) is positioned between the fourth protrusion (162d) and the fifth protrusion (162e). In addition, the fifth catch (142e) is formed to correspond to the fifth catch groove (163e) formed by the fifth side portion (161e), the fourth protrusion (162d), and the fifth protrusion (162e).

[0088] At this time, one end of the fifth catch (142e) is formed in a shape corresponding to one side of the fourth protrusion (162d). For example, one end of the fifth catch (142e) is formed to have a curved surface. Accordingly, one end of the fifth catch (142e) is prevented from being damaged by contact with one side of the fourth protrusion (162d). In addition, the other end of the fifth catch (142e) is formed in a shape corresponding to the other side of the fifth protrusion (162e). At this time, the other end of the fifth catch (142e) is formed symmetrically with one end of the fifth catch (142e). For example, the other end of the fifth catch (142e) is formed to have a curved surface. Accordingly, the other end of the fifth catch (142e) is prevented from being damaged by contact with the other side of the fifth protrusion (162e).

[0089] Accordingly, the fifth catch (142e) is caught in the fifth catch groove (163e), thereby preventing the fixed scroll (140) from rotating along with the rotation of the rotating scroll (125, see FIG. 1).

[0090] The sixth catch (142f) is positioned between the fifth protrusion (162e) and the sixth protrusion (162f). In addition, the sixth catch (142f) is formed to correspond to the sixth catch groove (163f) formed by the sixth side portion (161f), the fifth protrusion (162e), and the sixth protrusion (162f).

[0091] At this time, one end of the sixth catch (142f) is formed in a shape corresponding to one side of the fifth protrusion (162e). For example, one end of the sixth catch (142f) is formed to have a curved surface. Accordingly, one end of the sixth catch (142f) is prevented from being damaged by contact with one side of the fifth protrusion (162f). In addition, the other end of the sixth catch (142f) is formed in a shape corresponding to the other side of the sixth protrusion (162f). At this time, the other end of the sixth catch (142f) is formed symmetrically with one end of the sixth catch (142f). For example, the other end of the sixth catch (142f) is formed to have a curved surface. Accordingly, the other end of the sixth catch (142f) is prevented from being damaged by contact with the other side of the sixth protrusion (162f).

[0092] That is, the sixth catch (142f) is caught in the sixth catch groove (163f), thereby preventing the fixed scroll (140) from rotating along with the rotation of the rotating scroll (125, see FIG. 1).

[0093] In this way, the first protrusion (162a), the second protrusion (162b), the third protrusion (162c), the fourth protrusion (162d), the fifth protrusion (162e), and the sixth protrusion (162f) prevent the fixed scroll (140) from rotating due to vibration or interaction with the orbiting scroll, such as gas pressure, during the compression process.

[0094] In addition, the first protrusion (162a), the second protrusion (162b), the third protrusion (162c), the fourth protrusion (162d), the fifth protrusion (162e), and the sixth protrusion (162f) are arranged at equal intervals from each other, so that they can support and distribute the force applied by the fixed scroll (140).

[0095]

[0096] FIG. 5 is a perspective view showing a shaft support member of a compressor according to an embodiment of the present invention, and FIG. 6 is a perspective view showing a fixed scroll accommodated in a cap of a compressor according to an embodiment of the present invention.

[0097] Referring to FIGS. 4 to 6, the shaft support member (120) is coupled to the cap (160) while receiving a portion of the rotating scroll (125).

[0098] And, the shaft support member (120) includes a first side wall portion (121a), a second side wall portion (121b), a third side wall portion (121c), a fourth side wall portion (121d), a fifth side wall portion (121e), and a sixth side wall portion (121f).

[0099] The above first side wall portion (121a) is formed to correspond to the above first side portion (161a).

[0100] The above second side wall portion (121b) is formed to correspond to the above second side portion (161b).

[0101] The third side wall portion (121c) is formed to correspond to the third side portion (161c).

[0102] The fourth side wall portion (121d) is formed to correspond to the fourth side portion (161d).

[0103] The fifth side wall portion (121e) is formed to correspond to the fifth side portion (161f).

[0104] The above sixth side wall portion (121f) is formed to correspond to the above sixth side portion (161f).

[0105] And, the shaft support member (120) includes a first contact portion (122a), a second contact portion (122b), a third contact portion (122c), a fourth contact portion (122d), a fifth contact portion (122e), and a sixth contact portion (122f).

[0106] The first contact portion (122a) is formed to protrude from the inner surfaces of the first side wall portion (121a) and the second side wall portion (122b). In addition, the first contact portion (122a) is in contact with the first protrusion portion (162a). In addition, the first contact portion (122a) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0107] The second contact portion (122b) is formed to protrude from the inner surface of the second side wall portion (121b) and the third side wall portion (122c). In addition, the second contact portion (122b) is in contact with the second protrusion portion (162b). In addition, the second contact portion (122b) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0108] The third contact portion (122c) is formed to protrude from the inner surface of the third side wall portion (121c) and the fourth side wall portion (122d). In addition, the third contact portion (122c) is in contact with the third protrusion portion (162c). In addition, the third contact portion (122c) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0109] The fourth contact portion (122d) is formed to protrude from the inner surfaces of the fourth side wall portion (121d) and the fifth side wall portion (122e). In addition, the fourth contact portion (122d) is in contact with the fourth protrusion portion (162d). In addition, the fourth contact portion (122d) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0110] The fifth contact portion (122e) is formed to protrude from the inner surfaces of the fifth side wall portion (121e) and the sixth side wall portion (122f). In addition, the fifth contact portion (122e) is in contact with the fifth protrusion portion (162e). In addition, the fifth contact portion (122e) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0111] The sixth contact portion (122f) is formed to protrude from the inner surface of the sixth side wall portion (121f) and the first side wall portion (122a). In addition, the sixth contact portion (122f) is in contact with the sixth protrusion portion (162f). In addition, the sixth contact portion (122f) is provided with a hole into which the bolt (190, see FIG. 1) is inserted.

[0112] Accordingly, the bolt (190) is inserted at equal intervals into each of the hole of the first contact portion (122a), the hole of the second contact portion (122b), the hole of the third contact portion (122c), the hole of the fourth contact portion (122d), the hole of the fifth contact portion (122e), and the hole of the sixth contact portion (122f), thereby minimizing loosening of the bolt (190) due to vibration of the compressor.

[0113]

[0114] Fig. 7 is a cross-sectional view showing a part of a compressor according to an embodiment of the present invention.

[0115] As shown in FIGS. 6 and 7, the fluid (M) moves to the compression chamber of the fixed scroll (140) without interfering with the first side portion (162a), the second side portion (162b), the third side portion (162c), the fourth side portion (162d), the fifth side portion (162e), and the sixth side portion (162f) described above.

[0116] And, the fluid (M) is compressed by the rotation of the rotating scroll (125). And, the compressed fluid (P) is discharged through the cap (160).

[0117]

[0118] FIG. 8 is a side view showing a part of the inside of a compressor according to an embodiment of the present invention, FIG. 9 is a cross-sectional view mainly showing the inside of a shaft support member and a cap of a compressor according to an embodiment of the present invention, FIG. 10 is a cross-sectional view showing the shaft support member, the orbiting scroll, the fixed scroll, and the cap of a compressor according to an embodiment of the present invention in a separated state, and FIG. 11 is a drawing mainly showing the depth of the receiving space, the depth of the fixed scroll, the thickness of the first gasket, and the thickness of the second gasket in a compressor according to an embodiment of the present invention.

[0119] Referring to FIGS. 8 to 11, the depth (A) of the receiving space (160a) means the length along the Y-axis that the fixed scroll (140) is received in the receiving space (160a).

[0120] In addition, the height (C) of the fixed scroll (140) is parallel to the direction in which the fixed scroll (140) is accommodated in the accommodation space (160a) along the Y-axis.

[0121] And, the second gasket (150) and the fixed scroll (140) are accommodated in the accommodation space (160a). At this time, the fixed scroll (140) is accommodated in the accommodation space (160a) while being coupled with the rotating scroll (125).

[0122] And, a part of the above-mentioned rotating scroll (125) is accommodated in the accommodation space (160a) together with the above-mentioned fixed scroll (140), and another part of the above-mentioned rotating scroll (125) is accommodated in the above-mentioned shaft support member (120).

[0123] And, the shaft support member (120) surrounds the rotating scroll (125) and the fixed scroll (140) together with the cap (160). And, the first gasket (130) seals between the shaft support member (120) and the cap (160). That is, the first gasket (130) is pressurized by the shaft support member (120) and the cap (160) and maintains a sealed state by the combination of the shaft support member (120) and the cap (160).

[0124] And, as the fixed scroll (140) comes into contact with the shaft support member (120), the fixed scroll (140) is prevented from moving in the Y-axis direction.

[0125] At this time, the sum of the depth (A) of the receiving space and the thickness (B) of the first gasket is equal to or greater than the sum of the height (C) of the fixed scroll and the thickness (D) of the second gasket.

[0126] Accordingly, when the fixed scroll (140) is accommodated in the accommodation space (160a), the fixed scroll (140) does not interfere with the first gasket (130) being pressed by the shaft support member (120) and the cap (160).

[0127] For example, if the sum of the depth (A) of the receiving space and the thickness (B) of the first gasket is less than the sum of the height (C) of the fixed scroll and the thickness (D) of the second gasket, the shaft support member (120) and the cap (160) interfere with the fixed scroll (140) and do not sufficiently pressurize the first gasket (130). That is, if the first gasket (130) is not sufficiently pressurized by the shaft support member (120) and the cap (160), the fluid of the compressor may leak out through the periphery of the first gasket (130).

[0128] In addition, according to an embodiment of the present invention, the depth (A) of the receiving space is equal to the height (C) of the fixed scroll (140). In addition, the fixed scroll (140) protrudes from the receiving space (160a) by the thickness (D) of the second gasket.

[0129] At this time, the thickness (B) of the first gasket is equal to or greater than the thickness (D) of the second gasket. Accordingly, the fixed scroll (140) does not interfere with the pressing of the shaft support member (120) and the cap (160) on the first gasket (130) due to the thickness (B) of the first gasket.

[0130] Additionally, according to another embodiment of the present invention, the thickness (B) of the first gasket is equal to the thickness (D) of the second gasket.

[0131] At this time, the depth (A) of the accommodation space is greater than the height (C) of the fixed scroll. And, the difference between the depth (A) of the accommodation space and the height (C) of the fixed scroll is greater than the thickness (B) of the first gasket.

[0132] Accordingly, the fixed scroll (140) does not interfere with the shaft support member (120) and the cap (160) from pressing the first gasket (130) due to the thickness (B) of the first gasket.

[0133]

[0134] Although the embodiments of the present invention have been described, the spirit of the present invention is not limited to the embodiments presented in this specification, and those skilled in the art who understand the spirit of the present invention will be able to easily propose other embodiments by adding, changing, deleting, or adding components within the scope of the same spirit, but this will also be considered to fall within the spirit of the present invention.

Claims

1. Axial support member; A pivot scroll accommodated in the above-mentioned axial support member; A fixed scroll that comes into contact with the above-mentioned orbiting scroll and compresses the fluid by the rotation of the above-mentioned orbiting scroll; A cap having a receiving space for receiving the fixed scroll and being coupled to the shaft support member so that the receiving space is sealed; A first gasket disposed between the shaft support member and the cap; and A second gasket is disposed between the fixed scroll and the cap, A compressor wherein the sum of the depth of the above-mentioned receiving space and the thickness of the above-mentioned first gasket is equal to or greater than the sum of the height of the above-mentioned fixed scroll and the thickness of the above-mentioned second gasket.

2. In paragraph 1, The depth of the above-mentioned receiving space is equal to the height of the above-mentioned fixed scroll, compressor.

3. In paragraph 2, A compressor wherein the thickness of the first gasket is equal to or greater than the thickness of the second gasket.

4. In paragraph 1, A compressor wherein the thickness of the first gasket is the same as the thickness of the second gasket.

5. In paragraph 4, A compressor wherein the depth of the above-mentioned accommodation space is greater than the height of the above-mentioned fixed scroll.

6. In paragraph 5, A compressor wherein the difference between the depth of the above-mentioned receiving space and the height of the above-mentioned fixed scroll is greater than the thickness of the above-mentioned first gasket.

7. In paragraph 1, The above fixed scroll is a compressor in contact with the above shaft support member.

8. In paragraph 1, A compressor wherein the above fixed scroll is formed to correspond to the above receiving space.

Citation Information

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