Air passage shell structure and air compressor

Abstract

The utility model relates to an air channel shell structure and an air compressor. The air channel shell structure comprises a shell part, a filtering channel formed in one side of the shell part, an air inlet communicating cavity formed in one end face of the shell part, an air outlet communicating cavity formed in one end face of the shell part, and an electromagnetic valve mounting groove formed in the other end face of the shell part. According to the air channel shell structure, the filtering channel, the air inlet communicating cavity and the air outlet communicating cavity are formed in the shell part, various flow directions of air in the air channel shell structure are achieved, then the air inlet compression function, the air exhaust function and the pressure relief function of an air compressor are achieved, the sealing performance is high, installation is convenient, and the structure is compact.

Description

Technical Field

[0001] The utility model relates to the field of automobile air compression equipment, in particular to an airway housing structure and an air compressor. Background Art

[0002] As the core component of the air suspension system, the air compressor provides dry compressed air for the air suspension system and inputs the compressed air into the air tank or air spring to complete the horizontal adjustment of the vehicle body height.

[0003] During operation, the air compressor not only needs to inflate the air suspension system to increase the vehicle body height, but also needs to exhaust air when it needs to lower the vehicle body height, and needs to automatically release pressure when the internal pressure is high. The existing airway housing structure is complex and has a large volume, which is inconvenient to install and has a high production cost in order to realize the compressed air intake, exhaust and automatic pressure relief functions. Utility Model Content

[0004] In view of this, the utility model provides an airway shell structure and an air compressor, by opening a filter channel, an air intake connecting cavity and an air outlet connecting cavity on the shell, to realize various flow directions of gas inside, thereby realizing the air intake compression, exhaust and pressure relief functions of the air compressor, with strong sealing, easy installation and compact structure.

[0005] The technical solution adopted by the utility model to solve its technical problems is: to provide an airway housing structure for an air compressor, the airway housing structure includes a shell portion, a filter channel opened on one side of the shell portion, an air inlet connecting cavity opened on one end surface of the shell portion, an air outlet connecting cavity and an electromagnetic valve mounting groove opened on the other end surface of the shell portion.

[0006] Furthermore, two filter channels are provided, and a first cavity is disposed in each of the two filter channels.

[0007] Furthermore, the two first cavities are respectively communicated with the gas outlet communicating cavity.

[0008] Furthermore, the shell portion is provided with a first mounting hole, and three first mounting holes are provided, and the three first mounting holes are respectively located around the outer side of the filter channel.

[0009] Furthermore, the solenoid valve installation groove is a cylindrical groove body, and the solenoid valve installation groove is suitable for installing the solenoid valve.

[0010] Furthermore, a first through hole is provided at the bottom of the solenoid valve installation groove, and the first through hole is used for bottom exhaust.

[0011] Furthermore, two exhaust channels are provided on the side wall of the solenoid valve installation groove.

[0012] Furthermore, one end of the two exhaust channels is respectively located on the side wall of the solenoid valve installation groove, and the other end of the two exhaust channels is respectively connected to the first cavities on the two filter channels.

[0013] Furthermore, the airway housing structure also includes a pressure relief valve installation groove provided on one end surface of the housing.

[0014] In order to achieve the above-mentioned purpose, the technical solution adopted by the present utility model is: to provide an air compressor, including the airway housing structure provided by any of the above-mentioned solutions.

[0015] The beneficial effects of the utility model are as follows: the airway shell structure and the air compressor of the utility model, the airway shell structure comprises a shell part, a filter channel arranged on one side of the shell part, an air inlet connecting chamber arranged on one end face of the shell part, an air outlet connecting chamber and an electromagnetic valve mounting groove arranged on the other end face of the shell part; when in use, when air is inhaled, the gas first enters the first compression chamber for primary compression, and then enters the connecting channel, then enters the air inlet connecting chamber, and then enters the air inlet of the second compression chamber, and then enters the second compression chamber for secondary compression, and the completed gas enters the air outlet connecting chamber through the air outlet of the second compression chamber, and then enters the first chamber, and then enters the double barrel dryer through the filter channel. After drying, it is input into the air storage tank or the air spring; when exhausting, the solenoid valve opens, and the gas enters from the double-barrel dryer and enters the first cavity of the two filter channels, and then enters the solenoid valve mounting groove through the two exhaust channels, and the gas is output from the first through hole to the exhaust cavity, thereby realizing the exhaust of the air compressor; when automatically releasing the pressure, the mechanical pressure relief valve opens, and the high-pressure gas enters the air outlet connecting cavity, and then enters the first cavity, is output from the second through hole, and finally is released and exhausted from the opening of the pressure relief valve mounting groove to the exhaust cavity; the airway housing structure of the utility model realizes various flow directions of the gas inside, thereby realizing the intake compression, exhaust and pressure relief functions of the air compressor, with strong sealing, convenient installation and compact structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a structural schematic diagram of the airway housing structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the airway housing structure of the utility model from another perspective;

[0019] Figure 3It is a bottom view of the airway housing structure of the utility model;

[0020] Figure 4 It is a side view of the airway housing structure of the utility model;

[0021] Figure 5 yes Figure 4 A cross-sectional view along the middle line A-A';

[0022] Figure 6 yes Figure 4 A cross-sectional view along the middle line at BB';

[0023] Figure 7 It is a structural schematic diagram of the airway housing structure, the double barrel dryer and the compression cylinder of the utility model;

[0024] Figure 8 It is an exploded view of the airway shell structure, the double-barrel dryer and the compression cylinder body of the utility model.

[0025] The names and numbers of the parts in the figure are:

[0026] Airway housing structure 100;

[0027] Shell 1;

[0028] Filter channel 2, first cavity 21, first mounting hole 22;

[0029] Intake communicating chamber 3;

[0030] An air outlet communicating cavity 4;

[0031] Solenoid valve mounting groove 5, first through hole 51, exhaust channel 52;

[0032] Pressure relief valve mounting groove 6, second through hole 61;

[0033] Positioning protrusion 7;

[0034] Double barrel dryer 200, air inlet 210;

[0035] Compression cylinder 300 , second compression chamber air inlet 310 , communication channel 320 , second compression chamber air outlet 330 , exhaust chamber 340 . DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the utility model is now described in detail in conjunction with the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basic structure of the utility model in a schematic manner, so it only shows the composition related to the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0037] like Figure 1-6 As shown, this embodiment provides an airway housing structure 100, including a shell 1, a filter channel 2 opened on one side of the shell 1, an air inlet connecting cavity 3 opened on one end surface of the shell 1, an air outlet connecting cavity 4 and a solenoid valve mounting groove 5 opened on the other end surface of the shell 1.

[0038] In some embodiments, the shell 1 is substantially in the shape of a square body, and the filter channel 2 , the air inlet communication cavity 3 , the air outlet communication cavity 4 and the solenoid valve installation groove 5 are all provided on the shell 1 .

[0039] In some embodiments, such as Figure 7 , Figure 8 As shown, two filter channels 2 are provided, which match the two air inlets 210 of the double barrel dryer 200 on the air compressor. The two filter channels 2 are respectively provided with first cavities 21, and the two first cavities 21 are respectively connected with the air outlet connecting cavity 4. A first mounting hole 22 is also provided on one side of the shell 1 located at the filter channel 2. There are three first mounting holes 22, which are respectively located around the outer side of the filter channel 2. The shell 1 is fixedly connected to the double barrel dryer 200 on the air compressor through the three first mounting holes 22, so that the gas output from the air outlet connecting cavity 4 in the shell 1 enters the filter channel 2 through the first cavity 21, and then is input into the double barrel dryer 200 through the two air inlets 210 of the double barrel dryer 200 for drying.

[0040] In some embodiments, such as Figure 7 , Figure 8As shown, the air intake connecting chamber 3 is provided on the lower end surface of the shell 1. In this embodiment, the air compressor adopts a two-stage piston air compressor, wherein, during the air intake compression process, the gas first enters the first compression chamber at the bottom of the compression cylinder 300 for primary compression, and then is input into the second compression chamber through the connecting channel 320 connecting the first compression chamber below and the second compression chamber above for secondary compression. Among them, the shell 1 is installed at the upper position of the compression cylinder 300, the air intake connecting chamber 3 is located above the second compression chamber, the air intake connecting chamber 3 is connected to the top of the connecting channel 320, and the air intake connecting chamber 3 is also connected to the air inlet 310 of the second compression chamber; thereby, after the gas is compressed in the first compression chamber, it enters the connecting channel, then enters the air intake connecting chamber 3, enters the air inlet 310 of the second compression chamber through the air intake connecting chamber 3, and then enters the second compression chamber for secondary compression.

[0041] In some embodiments, the air outlet communication chamber 4 is provided at the lower end surface of the shell 1, and the air outlet communication chamber 4 is located at one side of the air inlet communication chamber 3. Since the shell 1 is installed above the compression cylinder 300, the air outlet communication chamber 4 is located directly above the second compression chamber, and the air outlet communication chamber 4 is connected to the second compression chamber air outlet 330. The air outlet communication chamber 4 is also connected to the first cavities 21 of the two filter channels 2, respectively. As a result, when the air compressor compresses the intake air, the gas first enters the first compression chamber below the compression cylinder 300 for primary compression, and then enters the connecting channel 320, and then enters the intake connecting chamber 3, and then enters the second compression chamber air inlet 310 through the intake connecting chamber 3, and then enters the second compression chamber for secondary compression. After the secondary compression is completed, the gas enters the outlet connecting chamber 4 through the second compression chamber air outlet 330. Since the outlet connecting chamber 4 is also respectively connected to the first chambers 21 of the two filter channels 2, the gas then enters the first chamber 21, and then enters the two air inlets 210 of the double-barrel dryer 200 through the filter channel 2, is input into the double-barrel dryer 200 for drying, and then is input into the air storage tank or air spring.

[0042] In some embodiments, the solenoid valve installation groove 5 is provided on the upper end surface of the shell 1, and the solenoid valve installation groove 5 is a cylindrical groove body, and the solenoid valve is suitable for installing the solenoid valve. A first through hole 51 is provided at the bottom of the solenoid valve installation groove 5, and the first through hole 51 is connected to the exhaust chamber 340 on the compression cylinder 300 for bottom exhaust. Two exhaust channels 52 are provided on the side wall of the solenoid valve installation groove 5, one end of the two exhaust channels 52 is respectively located on the side wall of the solenoid valve installation groove 5, and the other end of the two exhaust channels 52 is respectively connected to the first cavity 21 on the two filter channels 2. When the air compressor is exhausted, the solenoid valve installed in the solenoid valve installation groove 5 is opened, and the gas enters from the double-barrel dryer 200, enters the first cavity 21 of the two filter channels 2 through the two air inlets 210, and then enters the solenoid valve installation groove 5 through the two exhaust channels 52. Since the solenoid valve in the solenoid valve installation groove 5 is in the open state, the gas is output from the first through hole 51 at the bottom of the solenoid valve installation groove 5 to the exhaust cavity 340 on the compression cylinder body 300, thereby realizing the exhaust of the air compressor.

[0043] In some embodiments, the airway housing structure 100 further includes a pressure relief valve installation groove 6 provided on one end surface of the shell 1, wherein the pressure relief valve installation groove 6 is substantially cylindrical, the opening of the pressure relief valve installation groove 6 is connected to the exhaust chamber on the compression cylinder 300, and a second through hole 61 is provided at the bottom of the pressure relief valve installation groove 6, the second through hole 61 is connected to the first cavity 21 near the pressure relief valve installation groove 6. When the internal pressure of the air compressor is relatively high and automatic pressure relief is required, the mechanical pressure relief valve installed in the pressure relief valve installation groove 6 is opened, at which time, the high-pressure gas in the second compression chamber of the compression cylinder 300 enters the outlet communication chamber 4, and since the outlet communication chamber 4 is also respectively connected to the first cavities 21 of the two filter channels 2, the gas then enters the first cavity 21, and since the mechanical pressure relief valve is opened, the high-pressure gas is output through the second through hole 61 connected to the first cavity 21, and then the pressure is relieved and exhausted from the opening of the pressure relief valve installation groove 6 to the exhaust chamber 340 on the compression cylinder 300.

[0044] In some of the embodiments, the airway housing structure 100 further includes a positioning protrusion 7 provided on the other end surface of the housing 1 . The positioning protrusion 7 is provided on one side of one end surface of the housing 1 , thereby facilitating the assembly of the housing 1 .

[0045] When the airway housing structure 100 of the utility model is in use, when the air compressor compresses the intake air, the gas first enters the first compression chamber below the compression cylinder 300 for primary compression, and then enters the connecting channel 320, and then enters the intake connecting chamber 3, and then enters the second compression chamber air inlet 310 through the intake connecting chamber 3, and then enters the second compression chamber for secondary compression. After the secondary compression is completed, the gas enters the outlet connecting chamber 4 through the second compression chamber air outlet 330. Since the outlet connecting chamber 4 is also connected to the first cavity 21 of the two filter channels 2 respectively, the gas then enters the first cavity 21, and then enters the two air inlets 210 of the double-barrel dryer 200 through the filter channel 2, and is input into the double-barrel dryer 200 for drying, and then is input into the air storage tank or air spring; when the air compressor is exhausted, the solenoid valve installed in the solenoid valve installation slot 5 is opened, and the gas enters from the double-barrel dryer 200, The air enters the first cavity 21 of the two filter channels 2 through the two air inlets 210, and then enters the solenoid valve mounting groove 5 through the two exhaust channels 52. Since the solenoid valve in the solenoid valve mounting groove 5 is in the open state, the gas is output from the first through hole 51 at the bottom of the solenoid valve mounting groove 5 to the exhaust cavity 340 on the compression cylinder 300, thereby realizing the exhaust of the air compressor; when the internal pressure of the air compressor is relatively large and automatic pressure relief is required, the mechanical pressure relief valve installed in the pressure relief valve mounting groove 6 is opened. At this time, the high-pressure gas in the second compression cavity of the compression cylinder 300 enters the air outlet connecting cavity 4. Since the air outlet connecting cavity 4 is also respectively connected to the first cavities 21 of the two filter channels 2, the gas then enters the first cavity 21. Since the mechanical pressure relief valve is opened, the high-pressure gas is output through the second through hole 61 connected to the first cavity 21, and then the pressure is relieved and exhausted from the opening of the pressure relief valve mounting groove 6 to the exhaust cavity 340 on the compression cylinder 300. The airway housing structure 100 of the utility model realizes various flow directions of the gas inside, thereby realizing the air intake compression, exhaust and pressure relief functions of the air compressor, has strong sealing performance, is easy to install and has a compact structure.

[0046] like Figure 4 As shown, the embodiment of the utility model also provides an air compressor, which includes the airway housing structure 100 provided in any of the above embodiments, and the air compressor also includes a double barrel dryer 200 and a compression cylinder 300, the double barrel dryer 200 is installed on one side of the airway housing structure 100 close to the filter channel 2, and the compression cylinder 300 is installed below the airway housing structure 100. Two air inlets 210 are provided on one side of the double barrel dryer 200, and the two air inlets 210 are connected to the two filter channels 2 on the airway housing structure 100. The compression cylinder 300 includes a second compression chamber air inlet 310 arranged at the top, a connecting channel 320 connecting the first compression chamber and the second compression chamber, a second compression chamber air outlet 330 arranged at the top, and an exhaust chamber 340.

[0047] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without departing from the scope of the utility model through the above description. The technical scope of this utility model is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An airway housing structure for an air compressor, characterized in that: The invention comprises a shell, a filtering channel arranged on one side of the shell, an air inlet connecting cavity and an air outlet connecting cavity arranged on one end surface of the shell, and an electromagnetic valve installation groove arranged on the other end surface of the shell.

2. The airway housing structure according to claim 1, characterized in that: There are two filter channels, and a first cavity is disposed in each of the two filter channels.

3. The airway housing structure according to claim 2, characterized in that: The two first cavities are respectively communicated with the gas outlet communication cavity.

4. The airway housing structure according to claim 1, characterized in that: The shell portion is also provided with three first mounting holes, which are respectively located around the outer side of the filter channel.

5. The airway housing structure according to claim 1, characterized in that: The solenoid valve installation groove is in the form of a cylindrical groove, and the solenoid valve is suitable for being installed in the solenoid valve installation groove.

6. The airway housing structure according to claim 1, characterized in that: A first through hole is provided at the bottom of the solenoid valve installation groove, and the first through hole is used for bottom exhaust.

7. The airway housing structure according to claim 2, characterized in that: Two exhaust passages are arranged on the side wall of the solenoid valve installation groove.

8. The airway housing structure according to claim 7, characterized in that: One ends of the two exhaust channels are respectively located on the side walls of the solenoid valve installation groove, and the other ends of the two exhaust channels are respectively connected to the first cavities on the two filter channels.

9. The airway housing structure according to claim 5, characterized in that: The airway housing structure also includes a pressure relief valve installation groove provided on one end surface of the housing.

10. An air compressor, characterized in that: The air compressor comprises the air channel housing structure according to any one of claims 1 to 9.

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