Connecting structure of exhaust end body and cylinder body

Abstract

The utility model discloses an exhaust end body and cylinder body connecting structure which comprises an exhaust chamber, one side of the exhaust chamber is communicated with an exhaust pipe on an exhaust end body, two ends of the exhaust chamber are respectively and detachably communicated with a connecting pipe, and air inlet ends of the two connecting pipes are respectively and detachably communicated with two cylinder body exhaust cavities. The two cylinder bodies can exhaust gas at the same time, the gas displacement is increased, the connecting pipe and the cylinder bodies are connected through the first compression bolts, the connecting pipe and the gas exhaust chamber are connected through the second compression bolts, disassembly, maintenance and replacement of all parts are facilitated, the gas exhaust end body and the cylinder bodies are convenient to install and connect, and the service life of the gas exhaust end body is prolonged. The operation difficulty of workers is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of connection between an exhaust end body and a cylinder body, and in particular relates to a connection structure between an exhaust end body and a cylinder body. Background Art

[0002] Screw compressors are divided into single-screw compressors and twin-screw compressors, also known as spiral compressors, including screw air compressors and screw process compressors. Screw machines are positive displacement twin-screw oil-injected compressors, generally box-type skid-mounted structures, and can be divided into oil-free screw compressors and oiled screw compressors. Oiled screw compressors are more widely used. The liquid injected into the compressor plays a role in lubrication, sealing, cooling and noise reduction.

[0003] The exhaust end of the current screw compressor is usually welded to the surface of the screw compressor, or connected to the screw compressor through a flange. The installation is relatively complicated and it is not easy to disassemble, repair or replace. The operation is difficult for the staff and the work efficiency is low. Utility Model Content

[0004] The purpose of the utility model is to provide a connection structure between an exhaust end body and a cylinder body, so as to solve the technical defects that the exhaust mechanism of the existing screw compressor is usually welded on the surface of the screw compressor, or connected to the cylinder body of the screw compressor through a flange, which is complicated to install, difficult to disassemble, repair and replace, difficult to operate and has low work efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an exhaust end body and cylinder body connection structure, including an exhaust chamber, one side of the exhaust chamber is connected to the exhaust pipe on the exhaust end body, the two ends of the exhaust chamber are respectively detachably connected with connecting pipes, and the air inlet ends of the two connecting pipes are respectively detachably connected to the two cylinder body exhaust cavities.

[0006] As a further solution of the utility model, the air inlet ends of the two connecting pipes are respectively welded with a first connecting plate, a first air hole connected to the connecting pipe is opened on the first connecting plate, the first air hole is connected to the exhaust chamber of the cylinder body, a first mounting hole is opened on the first connecting plate, a first threaded groove is opened at one end of the cylinder body, and the cylinder body and the first connecting plate are connected and fixed by a first clamping bolt that passes through the first mounting hole and is threadedly installed inside the first threaded groove.

[0007] As a further preferred scheme of the utility model, a second connecting plate is welded to the air outlet ends of the two connecting pipes, a second air hole connected to the connecting pipe is provided on the second connecting plate, the second air hole is connected to the air inlet at one end of the exhaust chamber, a second mounting hole is provided on the second connecting plate, a second threaded groove is provided on the end of the exhaust chamber, the second connecting plate and the end of the exhaust chamber are connected and fixed by a second clamping bolt that passes through the second mounting hole and is threadedly installed inside the second threaded groove.

[0008] As a preferred solution of the utility model, reinforcing ribs are provided at the welding positions between the connecting pipe and the first connecting plate and the second connecting plate.

[0009] As a preferred solution of the utility model, a sealing ring is fixedly installed on the end of the exhaust chamber, a sealing groove is opened on the second connecting plate, and the sealing ring is sealingly clamped in the interior of the sealing groove.

[0010] As a further preferred solution of the utility model, a convex plate is integrally formed on one side of the first connecting plate, a groove is opened at one end of the cylinder body, the convex plate is engaged and clamped in the interior of the groove, and a sealing gasket is engaged and clamped in the interior of the groove.

[0011] As a preferred solution of the present utility model, the exhaust chamber and the exhaust pipe are connected by welding.

[0012] Compared with the prior art, the exhaust end body and cylinder body connection structure of the utility model has the following beneficial effects:

[0013] 1. The utility model connects connecting pipes through the left and right ends of the exhaust chamber respectively, and the two connecting pipes are respectively connected to the exhaust cavities of the two cylinder bodies, and then fixedly connected to the exhaust pipe on the exhaust end body through the exhaust chamber, so that the two cylinder bodies can discharge gas at the same time, increasing the exhaust volume, connecting the connecting pipe and the cylinder body through the first clamping bolt, and connecting the connecting pipe and the exhaust chamber through the second clamping bolt, which is convenient for disassembly, assembly, maintenance and replacement of various components, and convenient for installation and connection between the exhaust end body and the cylinder body, reducing the operating difficulty of the staff and improving work efficiency.

[0014] 2. The sealing ring in the utility model can increase the sealing performance of the connection between the connecting pipe and the exhaust chamber to avoid air leakage.

[0015] 3. The utility model further increases the sealing performance of the connection between the cylinder exhaust chamber and the connecting pipe by providing the convex plate and the sealing gasket, thereby avoiding air leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. Obviously, the drawings described below are only examples of the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion structure of an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the exhaust chamber in the embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the connecting pipe in the embodiment of the utility model.

[0021] Reference numerals:

[0022] 1. Cylinder body; 101. First thread groove; 2. Groove; 3. Exhaust chamber; 301. Exhaust pipe; 302. Second thread groove; 303. Sealing ring; 4. Connecting pipe; 5. First connecting plate; 501. First air hole; 502. First mounting hole; 503. First clamping bolt; 504. Protruding plate; 6. Second connecting plate; 601. Second air hole; 602. Second mounting hole; 603. Second clamping bolt; 604. Sealing groove; 7. Sealing pad; 8. Reinforcing rib. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model more clear, the embodiment of the utility model is further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0025] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0026] See attached Figure 1-Figure 4 As shown, an embodiment of the utility model is a connection structure between an exhaust end body and a cylinder body, including an exhaust chamber 3, one side of the exhaust chamber 3 is connected to an exhaust pipe 301 on the exhaust end body, and both ends of the exhaust chamber 3 are detachably connected to connecting pipes 4, and the air inlet ends of the two connecting pipes 4 are detachably connected to the exhaust chambers of the two cylinder bodies 1.

[0027] See also Figure 1 As shown, the left and right ends of the exhaust chamber 3 are respectively connected to the connecting pipes 4, and the two connecting pipes 4 are respectively connected to the exhaust cavities of the two cylinder bodies 1, and then fixedly connected to the exhaust pipe 301 on the exhaust end body through the exhaust chamber 3, so that the two cylinder bodies 1 can discharge gas at the same time, increasing the exhaust volume, and the detachable connection between the exhaust end body and the cylinder body facilitates the installation and connection between the exhaust end body and the cylinder body, reducing the operating difficulty of the staff and improving the work efficiency.

[0028] For further information, see Figure 2 As shown, the air inlet ends of the two connecting pipes 4 are respectively welded with first connecting plates 5, the first connecting plate 5 is provided with a first air hole 501 communicating with the connecting pipe 4, the first air hole 501 is communicated with the exhaust chamber of the cylinder body 1, the first connecting plate 5 is provided with a first mounting hole 502, one end of the cylinder body 1 is provided with a first thread groove 101, the cylinder body 1 and the first connecting plate 5 are connected and fixed by a first clamping bolt 503 passing through the first mounting hole 502 and being threadedly installed inside the first thread groove 101. The first clamping bolt 503 connects the connecting pipe 4 and the cylinder body 1, which is convenient for disassembly, assembly, maintenance and replacement.

[0029] See also Figure 3-4 As shown, the outlet ends of the two connecting pipes 4 are welded with a second connecting plate 6, the second connecting plate 6 is provided with a second air hole 601 connected to the connecting pipe 4, the second air hole 601 is connected to the air inlet at one end of the exhaust chamber 3, the second connecting plate 6 is provided with a second mounting hole 602, the end of the exhaust chamber 3 is provided with a second thread groove 302, the second connecting plate 6 and the end of the exhaust chamber 3 are connected and fixed by a second clamping bolt 603 passing through the second mounting hole 602 and being threadedly installed inside the second thread groove 302. The second clamping bolt 603 connects the connecting pipe 4 and the exhaust chamber 3, which is convenient for disassembly, assembly, maintenance and replacement.

[0030] The welding parts of the connecting pipe 4 and the first connecting plate 5 and the second connecting plate 6 are provided with reinforcing ribs 8 to further increase the firmness of the welding parts of the connecting pipe 4 and the first connecting plate 5 and the second connecting plate 6, increase the stability of the exhaust, and improve the service strength and life of the connecting parts.

[0031] See also Figure 3-4 As shown, a sealing ring 303 is fixedly installed on the end of the exhaust chamber 3, a sealing groove 604 is opened on the second connecting plate 6, and the sealing ring 303 is sealed and clamped inside the sealing groove 604. The sealing ring 303 can increase the sealing of the connection between the connecting pipe 4 and the exhaust chamber 3 to avoid air leakage.

[0032] A convex plate 504 is integrally formed on one side of the first connecting plate 5, and a groove 2 is opened at one end of the cylinder body 1. The convex plate 504 is embedded and clamped in the inside of the groove 2, wherein a sealing gasket 7 is embedded and clamped in the inside of the groove 2, further increasing the sealing of the connection between the exhaust chamber of the cylinder body 1 and the connecting pipe 4 to avoid air leakage.

[0033] The exhaust chamber 3 and the exhaust pipe 301 are connected by welding to increase the stability of the connection between the exhaust pipe 301 and the exhaust chamber 3 .

[0034] When the embodiment of the utility model is used: the two connecting pipes 4 are respectively connected to the exhaust cavities of the two cylinder bodies 1, and then fixedly connected to the exhaust pipe 301 on the exhaust end body through the exhaust chamber 3, so that the two cylinder bodies 1 can discharge gas at the same time, thereby increasing the exhaust volume; the first clamping bolt 503 connects the connecting pipe 4 and the cylinder body 1, which is convenient for disassembly, maintenance and replacement, and the second clamping bolt 603 connects the connecting pipe 4 and the exhaust chamber 3, which is convenient for disassembly, maintenance and replacement.

[0035] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. An exhaust end body and cylinder body connection structure, characterized in that: It comprises an exhaust chamber (3), one side of the exhaust chamber (3) being connected to an exhaust pipe (301) on an exhaust end body, two ends of the exhaust chamber (3) being detachably connected to connecting pipes (4), and the air inlet ends of the two connecting pipes (4) being detachably connected to exhaust chambers of two cylinder bodies (1).

2. The exhaust end body and cylinder body connection structure according to claim 1, characterized in that: The air inlet ends of the two connecting pipes (4) are respectively welded with a first connecting plate (5), the first connecting plate (5) is provided with a first air hole (501) connected to the connecting pipe (4), the first air hole (501) is connected to the exhaust chamber of the cylinder body (1), the first connecting plate (5) is provided with a first mounting hole (502), one end of the cylinder body (1) is provided with a first thread groove (101), the cylinder body (1) and the first connecting plate (5) are connected and fixed by a first clamping bolt (503) passing through the first mounting hole (502) and being threadedly mounted inside the first thread groove (101).

3. The exhaust end body and cylinder body connection structure according to claim 2, characterized in that: A second connecting plate (6) is welded to the air outlet ends of the two connecting pipes (4); a second air hole (601) communicating with the connecting pipe (4) is provided on the second connecting plate (6); the second air hole (601) is communicated with an air inlet at one end of the exhaust chamber (3); a second mounting hole (602) is provided on the second connecting plate (6); a second threaded groove (302) is provided on the end of the exhaust chamber (3); the second connecting plate (6) and the end of the exhaust chamber (3) are connected and fixed by a second clamping bolt (603) passing through the second mounting hole (602) and being threadedly mounted inside the second threaded groove (302).

4. The exhaust end body and cylinder body connection structure according to claim 3, characterized in that: Reinforcing ribs (8) are provided at the welding locations between the connecting pipe (4) and the first connecting plate (5) and the second connecting plate (6).

5. The exhaust end body and cylinder body connection structure according to claim 3, characterized in that: A sealing ring (303) is fixedly mounted on the end of the exhaust chamber (3), a sealing groove (604) is provided on the second connecting plate (6), and the sealing ring (303) is sealingly clamped inside the sealing groove (604).

6. The exhaust end body and cylinder body connection structure according to claim 2, characterized in that: A convex plate (504) is integrally formed on one side of the first connecting plate (5), a groove (2) is formed at one end of the cylinder body (1), and the convex plate (504) is engaged and clamped inside the groove (2), wherein A sealing gasket (7) is engaged and clamped inside the groove (2).

7. The exhaust end body and cylinder body connection structure according to claim 1, characterized in that: The exhaust chamber (3) and the exhaust pipe (301) are connected by welding.

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