Compressor integrated air suction and exhaust device and compressor

Abstract

The utility model belongs to the technical field of refrigeration compressors, and particularly discloses a compressor integrated air suction and exhaust device and a compressor. The integrated air suction and exhaust device of the compressor comprises a first air suction and exhaust shell, a second air suction and exhaust shell and an inner air exhaust pipe. The integrated air suction and exhaust device of the compressor is applied to the compressor, only the first air suction and exhaust shell, the second air suction and exhaust shell and the inner exhaust pipe are used for forming the integrated air suction and exhaust device, and compared with an existing air suction and exhaust device of the compressor, the number of the parts is greatly reduced, and the production and manufacturing process is greatly simplified; moreover, the first air suction and exhaust shell, the second air suction and exhaust shell and the inner exhaust pipe are connected into a whole through the welding technology, a multi-cavity silencing structure is formed, the number of sealing joints is reduced, the sealing performance is high, and the leakage risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to refrigeration compressor technical field relates to a compressor integrated suction and exhaust device and compressor. BACKGROUND

[0002] The suction muffler of compressor, cylinder cover, valve plate, cylinder cover gasket form the suction and exhaust device of compressor. The outlet of suction muffler is clamped into the cylinder cover, and the cylinder cover and the valve plate are sealed by the cylinder cover gasket, and the overall structure is fastened on the cylinder seat by screws. The existing compressor suction and exhaust device is a split structure, which needs to use the cylinder cover gasket to ensure the sealing of the high pressure side, but the cylinder head temperature is very high when compressing refrigerant, and structural deformation occurs when the exhaust pressure is too high, causing leakage. At the same time, the suction muffler and the cylinder cover are independent structures, the outlet of the suction muffler needs to be installed in the U-shaped groove of the cylinder cover, the U-shaped groove is in the middle of the cylinder cover, the screw is at the edge of the cylinder cover, the torque at the U-shaped groove is small, and the connection between the suction muffler and the cylinder cover is easy to leak. Furthermore, the components need to be opened or machined separately, and the manufacturing process is complex, the suction muffler, cylinder cover, valve plate, cylinder cover gasket, inner exhaust pipe and limiting plate are independent structures, which need to be assembled together when producing the compressor, and it is easy to miss the parts. The existing cylinder cover is generally made of cast aluminum or cast iron, in order to improve the installation air tightness, the assembly surface of the cylinder cover needs to be processed after forming, which increases the process complexity. In addition, the inner exhaust pipe is usually installed on the cylinder seat and needs to be sealed by a gasket, which is easy to leak. SUMMARY

[0003] The utility model aims at providing a compressor integrated suction and exhaust device and compressor, reducing the number of components and improving the sealing.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A compressor integrated suction and exhaust device, comprising:

[0006] A first suction and exhaust shell;

[0007] A second suction and exhaust shell;

[0008] A first expansion groove is arranged on the first suction and exhaust shell and / or the second suction and exhaust shell, a connecting groove is arranged on the first suction and exhaust shell and / or the second suction and exhaust shell, a second expansion groove is arranged on the first suction and exhaust shell and / or the second suction and exhaust shell, and an exhaust groove is arranged on the first suction and exhaust shell and / or the second suction and exhaust shell.

[0009] The first and second suction and exhaust housings are spliced, at least one first expansion groove is spliced to form a first expansion cavity, at least one connecting groove is spliced to form a connecting cavity, at least one second expansion groove is spliced to form a second expansion cavity, and at least one exhaust groove is spliced to form an exhaust cavity.

[0010] The first expansion cavity and the second expansion cavity are communicated through the connecting cavity.

[0011] The first suction and exhaust housing or the second suction and exhaust housing is provided with an air inlet hole communicated with the first expansion cavity, an air suction valve hole communicated with the second expansion cavity, an exhaust valve hole communicated with the exhaust cavity, and an exhaust hole communicated with the exhaust cavity.

[0012] An inner exhaust pipe is connected with the exhaust hole.

[0013] Preferably, the first and second suction and exhaust housings are both provided with first expansion grooves, and the two first expansion grooves are spliced to form the first expansion cavity after the first and second suction and exhaust housings are spliced.

[0014] Preferably, the first suction and exhaust housing is provided with a connecting groove, and the second suction and exhaust housing is not provided with a connecting groove, and the connecting groove of the first suction and exhaust housing and the inner wall of the second suction and exhaust housing are spliced to form the connecting cavity after the first and second suction and exhaust housings are spliced.

[0015] Preferably, the first and second suction and exhaust housings are both provided with second expansion grooves, and the two second expansion grooves are spliced to form the second expansion cavity after the first and second suction and exhaust housings are spliced.

[0016] Preferably, the first suction and exhaust housing is provided with an exhaust groove, and the second suction and exhaust housing is not provided with an exhaust groove, and the exhaust groove of the first suction and exhaust housing and the inner wall of the second suction and exhaust housing are spliced to form the exhaust cavity after the first and second suction and exhaust housings are spliced.

[0017] Preferably, the first suction and exhaust housing or the second suction and exhaust housing, on which the exhaust valve hole is located, is provided with a limiting plate for limiting the lift of the exhaust valve plate.

[0018] Preferably, the first and second suction and exhaust housings are spliced into one by a welding process.

[0019] Preferably, the inner exhaust pipe and the exhaust hole are connected into one by a welding process.

[0020] Preferably, the first and / or second suction and exhaust housings are formed by a stamping process.

[0021] A compressor is provided with the compressor integrated suction and exhaust device described above.

[0022] Compared with the prior art, the present application has the following beneficial effects:

[0023] As described above, the present application discloses a compressor integrated suction and exhaust device, which is applied to a compressor, and only the first suction and exhaust shell, the second suction and exhaust shell and the inner exhaust pipe constitute the parts of the integrated suction and exhaust device, compared with the existing compressor suction and exhaust device, the number of parts is greatly reduced, and the production and manufacturing process is greatly simplified; and the first suction and exhaust shell, the second suction and exhaust shell and the inner exhaust pipe are connected into one by a welding process, form a multi-chamber sound attenuation structure, the number of sealed connections is reduced, the sealing performance is higher, and the risk of leakage is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description.

[0025] Fig. 1 The present application is a compressor integrated suction and exhaust device structure diagram;

[0026] Fig. 2 The present application is a first suction and exhaust shell structure diagram;

[0027] Fig. 3 The present application is a second suction and exhaust shell structure diagram;

[0028] Fig. 4 The present application is a first suction and exhaust shell and inner exhaust pipe structure diagram. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments.

[0030] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0032] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the protection scope claimed by this utility model.

[0035] like Figs. 1 to 4 As shown, the integrated compressor suction and exhaust device in this embodiment includes a first suction and exhaust housing 1, a second suction and exhaust housing 2, and an inner exhaust pipe 3.

[0036] The first intake and exhaust housing 1 and the second intake and exhaust housing 2 are formed by stamping steel strips to simplify the manufacturing process of the first intake and exhaust housing 1 and the second intake and exhaust housing 2 and reduce the difficulty of product manufacturing.

[0037] The first intake and exhaust housing 1 is provided with a first expansion groove A11, the second intake and exhaust housing 2 is provided with a first expansion groove B21, the first intake and exhaust housing 1 is provided with a connecting groove 12, the first intake and exhaust housing 1 is provided with a second expansion groove A13, the second intake and exhaust housing 2 is provided with a second expansion groove B23, and the first intake and exhaust housing 1 is provided with an exhaust groove 14.

[0038] The first suction and exhaust shell 1 and the second suction and exhaust shell 2 are spliced into one body by a welding process. After the first suction and exhaust shell 1 and the second suction and exhaust shell 2 are spliced, the first expansion groove A11 and the first expansion groove B21 are spliced to form a first expansion cavity, the connecting groove 12 on the first suction and exhaust shell 1 and the planar inner wall of the second suction and exhaust shell 2 are spliced to form a connecting cavity, the second expansion groove A13 and the second expansion groove B23 are spliced to form a second expansion cavity, and the exhaust groove 14 on the first suction and exhaust shell 1 and the planar inner wall of the second suction and exhaust shell 2 are spliced to form an exhaust cavity. The first expansion cavity and the second expansion cavity are communicated through the connecting cavity.

[0039] The first suction and exhaust shell 1 is provided with an air inlet hole 15 communicated with the first expansion cavity, the second suction and exhaust shell 2 is provided with an air suction valve port 22 communicated with the second expansion cavity, the second suction and exhaust shell 2 is provided with an exhaust valve port 24 communicated with the exhaust cavity, the second suction and exhaust shell 2 is provided with a limiting plate 25 for limiting the lift of the exhaust valve plate, and the first suction and exhaust shell 1 is provided with an exhaust hole 16 communicated with the exhaust cavity. The limiting plate 25 and the second suction and exhaust shell 2 are formed by a stamping process of a steel belt, which simplifies the production and manufacturing process.

[0040] The inner exhaust pipe 3 is connected to the exhaust hole 16 by a welding process.

[0041] The first suction and exhaust shell 1 and the second suction and exhaust shell 2 are provided with screw holes 4 at corresponding positions, and a screw passes through the screw holes 4 to connect the compressor cylinder, so as to fixedly connect the suction and exhaust device.

[0042] A compressor, wherein the compressor is provided with the integrated suction and exhaust device of the compressor.

[0043] When the compressor works, the refrigerant enters the first expansion cavity from the air inlet hole 15, then enters the second expansion cavity through the connecting cavity, and then enters the compressor cylinder through the air suction valve port 22. After the refrigerant is compressed, the refrigerant enters the exhaust cavity through the exhaust hole 16. When the exhaust valve plate is opened, the limiting plate 25 ensures the appropriate lift of the exhaust valve plate, and finally the refrigerant is discharged from the compressor through the inner exhaust pipe 3.

[0044] So far, the embodiment has been described in detail in combination with the drawings. According to the above description, those skilled in the art should have a clear understanding of the compressor integrated suction and exhaust device of the utility model. The compressor integrated suction and exhaust device of the utility model is applied to a compressor, and the parts constituting the integrated suction and exhaust device are only the first suction and exhaust shell 1, the second suction and exhaust shell 2 and the inner exhaust pipe 3. Compared with the existing compressor suction and exhaust device, the number of parts is greatly reduced, and the production and manufacturing process is greatly simplified. Moreover, the first suction and exhaust shell 1, the second suction and exhaust shell 2 and the inner exhaust pipe 3 are connected into one by a welding process, form a multi-chamber sound attenuation structure, the number of sealing connection parts is reduced, the sealing performance is higher, and the risk of leakage is reduced.

[0045] Of course, the above description is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model. Any equivalent structural transformation made by using the utility model specification and drawings, or direct / indirect application in other related technical fields under the utility model concept of the utility model is included in the patent protection range of the utility model, and should be protected by the utility model.

Claims

1. A compressor integrated suction and discharge device characterized by, Comprise: First suction and exhaust shell; Second suction and exhaust shell; First suction and exhaust shell and / or second suction and exhaust shell is provided with first expansion groove, first suction and exhaust shell and / or second suction and exhaust shell is provided with connecting groove, first suction and exhaust shell and / or second suction and exhaust shell is provided with second expansion groove, first suction and exhaust shell and / or second suction and exhaust shell is provided with exhaust groove; After first suction and exhaust shell and second suction and exhaust shell are spliced, at least one first expansion groove is spliced to form first expansion cavity, at least one connecting groove is spliced to form connecting cavity, at least one second expansion groove is spliced to form second expansion cavity, and at least one exhaust groove is spliced to form exhaust cavity; Wherein, the first expansion cavity and the second expansion cavity are communicated through the connecting cavity; The first suction and exhaust shell or the second suction and exhaust shell is provided with an air inlet hole communicated with the first expansion cavity, an air suction valve port communicated with the second expansion cavity, an exhaust valve port communicated with the exhaust cavity, and an exhaust hole communicated with the exhaust cavity; Inner exhaust pipe connected with the exhaust hole.

2. The integrated suction and exhaust device of the compressor according to claim 1, wherein, First expansion groove is arranged on the first suction and exhaust shell and the second suction and exhaust shell, and after the first suction and exhaust shell and the second suction and exhaust shell are spliced, two first expansion grooves are spliced to form first expansion cavity.

3. The integrated suction and exhaust device of the compressor according to claim 1, wherein, Connecting groove is arranged on the first suction and exhaust shell, and no connecting groove is arranged on the second suction and exhaust shell, and after the first suction and exhaust shell and the second suction and exhaust shell are spliced, the connecting groove on the first suction and exhaust shell and the inner wall of the second suction and exhaust shell are spliced to form connecting cavity.

4. The integrated suction and exhaust device of the compressor according to claim 1, wherein, Second expansion groove is arranged on the first suction and exhaust shell and the second suction and exhaust shell, and after the first suction and exhaust shell and the second suction and exhaust shell are spliced, two second expansion grooves are spliced to form second expansion cavity.

5. The integrated suction and exhaust device of the compressor according to claim 1, wherein, Exhaust groove is arranged on the first suction and exhaust shell, and no exhaust groove is arranged on the second suction and exhaust shell, and after the first suction and exhaust shell and the second suction and exhaust shell are spliced, the exhaust groove on the first suction and exhaust shell and the inner wall of the second suction and exhaust shell are spliced to form exhaust cavity.

6. The integrated suction and exhaust device of the compressor according to claim 1, wherein, Limiting plate for limiting the lift of exhaust valve plate is arranged on the first suction and exhaust shell or the second suction and exhaust shell where the exhaust valve port is located.

7. The integrated suction and exhaust device of the compressor according to any one of claims 1 to 6, wherein, The first suction and exhaust shell and the second suction and exhaust shell are spliced into one by welding process.

8. The integrated suction and exhaust device of the compressor according to any one of claims 1 to 6, wherein, The inner exhaust pipe and the exhaust hole are connected into one by welding process.

9. The integrated suction and exhaust device of the compressor according to any one of claims 1 to 6, wherein, The first suction and exhaust casing and / or the second suction and exhaust casing are formed by a stamping process.

10. A compressor characterized by: The compressor is provided with the integrated suction and exhaust device of the compressor according to any one of claims 1 to 9.

Images