CN113339266A

CN113339266A - Pumping exhaust mechanism

Info

Publication number: CN113339266A
Application number: CN202010136222.1A
Authority: CN
Inventors: 邱忠本
Original assignee: Rechi Precision Co Ltd
Current assignee: Rechi Precision Co Ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2021-09-03

Abstract

The invention discloses a pumping exhaust mechanism applied to a compressor. The pumping exhaust mechanism comprises an upper sealing plate, an upper support, a lower sealing plate and a lower support. The upper sealing plate is provided with an exhaust outlet. The upper support is combined with the upper sealing plate. The upper support is provided with an upper air inlet, an upper circulation hole, a first upper sunken area and a second upper sunken area. The upper air inlet is arranged in the first upper sunken section, and the first upper sunken section is communicated with the second upper sunken section by a bridging section. The lower support is disposed below the upper support and engages the lower closure plate. The lower support has a lower air inlet, a down-flow through-hole and a first undercut region. The lower air inlet is arranged in the first lower sunken area. The invention not only can effectively increase the exhaust path, but also can utilize the depressed area to carry out decompression and diffusion, thereby effectively reducing the noise generated when the pumping exhaust mechanism operates.

Description

Pumping exhaust mechanism

Technical Field

The invention relates to a pumping exhaust mechanism, in particular to a pumping exhaust mechanism capable of effectively reducing volume.

Background

The operation of the compressor will generate noise, and with the progress of science and technology, the quality of the compressor is established on the operation efficiency and noise reduction effect. The operation efficiency represents the power saving effect of saving energy, and the noise reduction effect is the quality evaluation standard that the user can feel while feeling. If the noise generated during the operation of the compressor is noisy, it will not provide a comfortable environment for the user. An exhaust mechanism of a traditional compressor is only provided with an exhaust interval between an upper support and a lower support, and lower exhaust gas starts from the lower support, enters the upper support through an exhaust channel and is collected into upper exhaust gas, namely the upper exhaust gas is directly exhausted out of a silencing cover; the exhaust path is simple in design and cannot provide good noise reduction and silencing effects. Therefore, how to design a compressor exhaust mechanism with good noise reduction effect is a key development target of the related industry.

Disclosure of Invention

The present invention is directed to a pumping and exhausting mechanism capable of effectively reducing the volume, so as to solve the above problems of the prior art.

The pumping exhaust mechanism adopts the following technical scheme:

in one embodiment, a pumping and exhausting mechanism is applied to a compressor. The pumping exhaust mechanism comprises an upper sealing plate, an upper support, a lower sealing plate and a lower support. The upper sealing plate is provided with an exhaust outlet. The upper support is combined with the upper sealing plate. The upper support is provided with an upper air inlet, an upper circulation hole, a first upper sunken area and a second upper sunken area. The upper air inlet is arranged in the first upper sunken section, and the first upper sunken section is communicated with the second upper sunken section by a bridging section. The lower support is disposed below the upper support and engages the lower closure plate. The lower support has a lower air inlet, a down-flow through-hole and a first undercut region. The lower air inlet and the lower flow through hole are arranged in the first lower concave area. The upper exhaust gas enters the first upper concave section through the upper air inlet, enters the second upper concave section through the bridging section, enters the first lower concave section through the upper through hole and the lower through hole, and is combined with the lower exhaust gas entering the first lower concave section from the lower air inlet, and then returns to the upper support through the lower through hole and the upper through hole so as to leave the pumping exhaust mechanism from the exhaust outlet.

In another embodiment, a pumping and exhausting mechanism is applied to a compressor. The pumping exhaust mechanism comprises an upper sealing plate, an upper support, a lower sealing plate and a lower support. The upper sealing plate is provided with an exhaust outlet. The upper support is combined with the upper sealing plate. The upper support is provided with an upper air inlet, an upper circulation hole and an upper sunken area. The upper air inlet and the upper circulation hole are arranged in the upper concave area. The lower support is disposed below the upper support and engages the lower closure plate. The lower support has a lower flow aperture and a lower recessed region. The down flow through hole is arranged in the lower concave area. The upper exhaust gas enters the upper concave section through the upper gas inlet, then enters the lower concave section through the upper through hole and the lower through hole, and returns to the upper support through the lower through hole and the upper through hole so as to leave the pumping exhaust mechanism from the exhaust outlet.

In another embodiment, a pumping and exhausting mechanism is applied to a compressor. The pumping exhaust mechanism comprises an upper sealing plate and an upper support. The upper sealing plate is provided with an exhaust outlet. The upper support is combined with the upper sealing plate. The upper support is provided with an upper air inlet, an upper circulation hole and a plurality of upper sunken areas. The upper air inlet is arranged in one of the plurality of upper sunken sections, and the plurality of upper sunken sections are communicated with each other by the bridging section. The upper exhaust gas enters the upper concave section corresponding to the upper air inlet through the upper air inlet, passes through other upper concave sections of the upper concave sections through the bridging section, and finally leaves the pumping exhaust mechanism from the exhaust outlet.

Preferably, the pumping and exhausting mechanism of the present invention may have an upper seat and a lower seat, and the upper seat and the lower seat are respectively divided into a plurality of concave sections. The upper exhaust gas enters the upper support, is decompressed and diffused to the upper concave area, and then is guided into the lower support; and the lower exhaust gas enters the lower concave area of the lower support for decompression and diffusion, the two exhaust gases are merged and then exhausted upwards together, and the merged exhaust gas enters a plurality of upper concave areas of the upper support for decompression and diffusion so as to be discharged out of the pumping exhaust mechanism. Therefore, the invention not only can effectively increase the exhaust path, but also can utilize the depressed area to carry out decompression and diffusion, thereby effectively reducing the noise generated when the pumping exhaust mechanism operates.

Drawings

Fig. 1 is an exploded view of the components of a pump vent mechanism according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of the location of a pump discharge mechanism within a compressor according to an embodiment of the present invention.

Fig. 3 is a schematic view of an upper support according to an embodiment of the present invention.

Fig. 4 is a schematic view of a lower support according to an embodiment of the present invention.

FIG. 5 is a path diagram of upper and lower supports according to an embodiment of the present invention.

FIG. 6 is a schematic diagram of the upper and lower support paths of an embodiment of the present invention.

Fig. 7 to 17 are schematic diagrams of the exhaust paths of the pumping and exhausting mechanisms according to different embodiments of the present invention.

Wherein the reference numerals are as follows:

10 pumping exhaust mechanism

12 compressor

14 upper support

16 lower support

18 upper closing plate

20 lower closing plate

22 exhaust outlet

24 upper air inlet

26 upper flow hole

26A first upper flow hole

26B second upper flow hole

28 first upper concave section

30 second upper concave section

32 bridge interval

34 lower air inlet

36 downstream through hole

36A first lower flow hole

36B second downstream through hole

38 first lower concave region

40 third upper concave section

42 fourth upper concave section

44 second lower concave section

46 third lower concave section

48 fourth lower concave section

a. b, c, d, i, g, h, m, n chambers

e. f, j, k flow path

Detailed Description

Referring to fig. 1 to 4, fig. 1 is an exploded view of a pumping and exhausting mechanism 10 according to an embodiment of the present invention, fig. 2 is a schematic view of a position of the pumping and exhausting mechanism 10 in a compressor 12 according to an embodiment of the present invention, fig. 3 is a schematic view of an upper support 14 according to an embodiment of the present invention, and fig. 4 is a schematic view of a lower support 16 according to an embodiment of the present invention. Generally, the compressor 12 may preferably be a rotary compressor, although the practical application is not limited thereto. Pump vent mechanism 10 may include an upper support 14, a lower support 16, an upper closure plate 18, and a lower closure plate 20. The upper closure plate 18 may have an exhaust outlet 22. Upper housing 14 may include an upper inlet port 24, an upper flow aperture 26, a first upper concave section 28, a second upper concave section 30, and a bridge section 32. The lower support 16 may include a lower gas inlet 34, a lower flow through hole 36, and a first lower recessed area 38.

The upper support 14 is of an upwardly open multi-compartment design; upper sealing plate 18 is coupled to upper bracket 14 from above upper bracket 14. The upper inlet 24 may be disposed within the first upper recessed section 28, with the first upper recessed section 28 communicating with the second upper recessed section 30 via a bridge section 32. The lower support 16 may be disposed below the upper support 14; the lower closure plate 20 engages the lower support base 16 from below the lower support base 16. The lower inlet 34 may be disposed in the first lower recessed area 38. The pumping and exhausting mechanism 10 of the present invention can be modified in various ways, and in some possible embodiments, the upper flow hole 26 is disposed in the second upper concave section 30, and the lower flow hole 36 is disposed in a lower concave section other than the first lower concave section 38; in other possible embodiments, no, and the related variations are described separately later.

The upper flow holes 26 may include a first upper flow hole 26A and a second upper flow hole 26B, and the upper seat 14 may further include a third upper concave section 40 and a fourth upper concave section 42. In other possible embodiments, the first upper flow holes 26A of the upper flow holes 26 are arranged in the second upper concave section 30, and the second upper flow holes 26B of the upper flow holes 26 are arranged in the third upper concave section 40. In addition, the down-flow holes 36 may include a first down-flow hole 36A and a second down-flow hole 36B. The lower bearing 16 may further include a second lower concave section 44, a third lower concave section 46, and a fourth lower concave section 48. In other possible embodiments, the first down-flow opening 36A of the down-flow opening 36 is disposed in the second lower recessed area 44, and the second down-flow opening 36B of the down-flow opening 36 is disposed in the third lower recessed area 46.

As shown in fig. 3, the first upper concave section 28, the second upper concave section 30, the third upper concave section 40 and the fourth upper concave section 42 are formed outwardly in an upwardly open form on the upper holder 14. A plurality of upper recessed

areas

28, 30, 40 and 42 are covered by the upper closure plate 18 to form enclosed spaces. As shown in fig. 4, a first lower recessed section 38, a second lower recessed section 44, a third lower recessed section 46 and a fourth lower recessed section 48 are formed outwardly in an upwardly open fashion at the lower seat 16. A plurality of upper recessed

areas

38, 44, 46 and 48 may be concealed by the lower closure plate 20 to form an enclosed space.

In particular, the space between the bridging section 32 and the upper sealing plate 18 is smaller than the space between the first upper concave section 28 and the upper sealing plate 18 and the space between the second upper concave section 30 and the upper sealing plate 18, i.e. the gas is compressed through the bridging section 32 when flowing between the first upper concave section 28 and the second upper concave section 30. Therefore, the third upper concave section 40 and the fourth upper concave section 42 can be selectively communicated by a bridge section (not shown in the drawings); the first lower recessed area 38, the second lower recessed area 44, the third lower recessed area 46 and the fourth lower recessed area 48 may also optionally communicate with each other by a bridge area (not shown).

Referring to fig. 3 to 17, fig. 5 is a schematic diagram illustrating paths of an upper support 14 and a lower support 16 according to an embodiment of the present invention, fig. 6 is a schematic diagram illustrating paths of the upper support 14 and the lower support 16 according to the embodiment of the present invention, and fig. 7 to 17 are schematic diagrams illustrating exhaust paths of the pumping and exhausting mechanism 10 according to different embodiments of the present invention. With respect to the upper support 14, the first upper recessed section 28 is defined as chamber a, the second upper recessed section 30 is defined as chamber b, the third upper recessed section 40 is defined as chamber c, and the fourth upper recessed section 42 is defined as chamber d. With respect to the lower support 16, the first lower recessed area 38 is defined as chamber i, the second lower recessed area 44 is defined as chamber g, the third lower recessed area 46 is defined as chamber h, and the fourth lower recessed area 48 is defined as chambers m and n. In addition, flow paths e and f may be defined between the first upper flow hole 26A and the first lower flow hole 36A, and flow paths j and k may be defined between the second upper flow hole 26B and the second lower flow hole 36B.

In the various embodiments shown in fig. 7 to 17, the flow paths not mentioned indicate that the pumping exhaust mechanism 10 closes the corresponding chambers of the upper support 14 and/or the lower support 16 to design different exhaust paths. In the embodiment of FIG. 7, the upper vent gas may enter the first upper concave section 28 through the upper vent opening 24, then enter the second upper concave section 30 through the bridging section 32, and then enter the second lower concave section 44 through the first upper flow openings 26A and the first lower flow openings 36A; i.e. the path sequence is chamber a, chamber b, flow paths e and f, to chamber g. On the other hand, the lower exhaust gas enters the first lower concave section 38 from the lower inlet 34 and then flows to the fourth lower concave section 48; i.e., the path sequence is chamber i to chambers m and n. The upper exhaust gas then merges with the lower exhaust gas and flows into the third lower concave section 46, through the second lower flow openings 36B and the second upper flow openings 26B into the third upper concave section 40, and then into the fourth upper concave section 42 and exits through the exhaust outlet 22, completing the exhaust flow path; i.e. the path sequence is chamber h, flow paths j and k, chamber c to chamber d.

The lower support 16 may be modified in design to derive new changes. As shown in fig. 8, the design of the chamber n may be omitted, i.e. the upper exhaust gas path sequence is still from chamber a, chamber b, flow paths e and f to chamber g, the lower exhaust gas path sequence is from chamber i to chamber m, and then the upper exhaust gas and the lower exhaust gas are merged and flow along chamber h, flow paths j and k, and chamber c to chamber d, thereby completing the exhaust process. As shown in fig. 9, the design of chambers m and n can be omitted, i.e. the upper exhaust gas path sequence is chamber a, chamber b, flow paths e and f to chamber g, the lower exhaust gas path sequence is only chamber i, and then the upper and lower exhaust gases enter chamber h and merge and flow along flow paths j and k, chamber c to chamber d. As shown in fig. 10, the design of chamber b and chambers m and n can be omitted, i.e. the upper exhaust gas path sequence is chamber a, flow paths e and f to chamber g, the lower exhaust gas path sequence is only chamber i, and then the upper and lower exhaust gases enter chamber h and merge and flow along flow paths j and k, chamber c to chamber d; the upper inlet port 24 and the first upper flow opening 26A may now be disposed in the same recessed area (e.g., first upper recessed area 28).

Other variations may be developed based on the variation of the upper support 14 of FIG. 10, such as the embodiment shown in FIG. 11, in which chamber b, chambers m and n, and chamber c may be omitted, i.e., the upper exhaust gas may be routed in the order of chamber a, flow paths e and f to chamber g, the lower exhaust gas may be routed in the order of chamber i only, and then the upper and lower exhaust gases may be merged into chamber h and flow along flow paths j and k to chamber d; in this case, the exhaust outlet 22 and the second upper flow holes 26B may be provided in the same recessed section (for example, the fourth upper recessed section 42). As shown in fig. 12, the design of chamber b, chambers m and n, chamber c, chamber g and chamber d may be omitted, i.e. the upper exhaust gas is routed in the order of chamber a to flow paths e and f, the lower exhaust gas is routed in the order of chamber i, and then the upper exhaust gas and the lower exhaust gas enter chamber h and merge and return to the upper support 14 along flow paths j and k for exhaust; at this time, the exhaust outlet 22 and the second upper flow holes 26B are disposed in the same recessed section.

As shown in fig. 13, the design of the chambers m and n, chamber c, chamber g and chamber d can be omitted, i.e. the upper exhaust gas path sequence is chamber a, chamber b, to flow paths e and f, the lower exhaust gas path sequence is only chamber i, the combined gas path sequence is chamber h to flow paths j and k, and then returning to the upper support 14 for exhaust; in this case, the first lower flow hole 36A and the second lower flow hole 36B may be disposed in the same concave section (for example, the third lower concave section 46), and the exhaust outlet 22 and the second upper flow hole 26B may be disposed in the same concave section.

As shown in fig. 14, the design of chamber b, chambers m and n, chamber c, chamber d, chamber g and chamber h can be omitted, i.e. the upper exhaust gas path sequence is from chamber a to flow paths e and f, the lower exhaust gas path sequence is only chamber i, and the combined gases are returned to the upper support 14 through flow paths j and k; in this case, the upper intake port 24 and the first upper flow hole 26A may be disposed in the same recessed section, the lower intake port 34 and the second lower flow hole 36B may be disposed in the same recessed section, the first lower flow hole 36A and the second lower flow hole 36B may be disposed in the same recessed section, and the exhaust discharge port 22 and the second upper flow hole 26B may be disposed in the same recessed section. Therefore, the upper exhaust gas and the lower exhaust gas are combined in the lower support 16, and then enter the upper support 14 through the second upper flow holes 26B and the second lower flow holes 36B and are exhausted. Based on the variation of fig. 14, the embodiment of fig. 15 may selectively retain chamber b and/or chamber g, with the remaining path sequence being as in the embodiment of fig. 14.

In the above-mentioned embodiments, the pump exhaust mechanism 10 is a two-cylinder exhaust path, however, the pump exhaust mechanism 10 may be designed as a single-cylinder exhaust path. As shown in fig. 16, the chambers B, c, d, g, m and n can be omitted, and after the upper exhaust gas enters the first upper concave section 28 from the upper inlet 24, the upper exhaust gas can reach the fourth lower concave section 48 through the first upper flow hole 26A and the first lower flow hole 36A, then pass through the second upper flow hole 26B and the second lower flow hole 36B, return to the upper support 14, and then exit from the exhaust outlet 22; meaning that the path sequence is chamber a, flow paths e and f, chamber m, to flow paths j and k; in this case, the upper intake port 24 and the first upper flow hole 26A may be disposed in the same recessed section, the first lower flow hole 36A and the second lower flow hole 36B may be disposed in the same recessed section (for example, the fourth lower recessed section 48), and the exhaust discharge port 22 and the second upper flow hole 26B may be disposed in the same recessed section.

Alternatively, as in the embodiment of fig. 17, the under-seat 16 may be omitted, and accordingly, the flow paths e and f and the flow paths j and k may not exist. The upper exhaust gas enters the first upper concave section 28 from the upper inlet 24, passes through the second upper concave section 30, the third upper concave section 40 and the fourth upper concave section 42 in sequence, and then exits from the exhaust outlet 22; meaning the path sequence is chamber a, chamber b, chamber c, and chamber d. At this time, the first upper circulation hole 26A is not formed in the second upper concave section 30, and the second upper circulation hole 26B is not formed in the third upper concave section 40.

In summary, the pump exhaust mechanism of the present invention preferably has an upper seat and a lower seat, and the upper seat and the lower seat are respectively divided into a plurality of concave sections. The upper exhaust gas enters the upper support, is decompressed and diffused to the upper concave area, and then is guided into the lower support; and the lower exhaust gas enters the lower concave area of the lower support for decompression and diffusion, the two exhaust gases are merged and then exhausted upwards together, and the merged exhaust gas enters a plurality of upper concave areas of the upper support for decompression and diffusion so as to be discharged out of the pumping exhaust mechanism. Therefore, the invention not only can effectively increase the exhaust path, but also can utilize the depressed area to carry out decompression and diffusion, thereby effectively reducing the noise generated when the pumping exhaust mechanism operates.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pumping exhaust mechanism is applied to a compressor, and is characterized by comprising:

an upper sealing plate having an exhaust outlet;

the upper support is combined with the upper sealing plate and provided with an upper air inlet, an upper circulation hole, a first upper sunken section and a second upper sunken section, the upper air inlet is arranged in the first upper sunken section, and the first upper sunken section is communicated with the second upper sunken section by a bridging section;

a lower sealing plate; and

a lower support disposed below the upper support and coupled to the lower sealing plate, the lower support having a lower air inlet, a down-flow through-hole, and a first lower recessed section, the lower air inlet being disposed within the first lower recessed section;

the upper exhaust gas enters the first upper concave section through the upper air inlet, enters the second upper concave section through the bridging section, enters the first lower concave section through the upper flow hole and the lower flow hole, is combined with the lower exhaust gas entering the first lower concave section from the lower air inlet, and returns to the upper support through the lower flow hole and the upper flow hole together to leave the pumping exhaust mechanism from the exhaust outlet.

2. The pumping exhaust mechanism as claimed in claim 1, wherein the first upper concave section and the second upper concave section are formed in an outwardly open manner at the upper seat, and the first lower concave section is formed in an outwardly open manner at the lower seat.

3. The pumping and exhausting mechanism of claim 1, wherein the bridging portion and the upper sealing plate form a space smaller than the space formed by the first upper concave portion and the upper sealing plate and the space formed by the second upper concave portion and the upper sealing plate.

4. The pumping exhaust mechanism as claimed in claim 1, wherein the upper flow hole comprises a first upper flow hole and a second upper flow hole, the upper seat further having a third upper concave section, the first upper flow hole being disposed in the second upper concave section, the second upper flow hole being disposed in the third upper concave section.

5. The pumping exhaust mechanism of claim 1, wherein the downstream via comprises a first downstream via and a second downstream via, the lower support further having a second lower recessed region and a third lower recessed region, the first downstream via being disposed within the second lower recessed region, the second downstream via being disposed within the third lower recessed region.

6. A pumping exhaust mechanism is applied to a compressor, and is characterized by comprising:

an upper sealing plate having an exhaust outlet;

the upper support is combined with the upper sealing plate and provided with an upper air inlet, an upper circulation hole and an upper sunken section, and the upper air inlet and the upper circulation hole are arranged in the upper sunken section;

a lower sealing plate; and

a lower support disposed below the upper support and engaging the lower closure plate, the lower support having a down-flow through-hole and a lower recessed region, the down-flow through-hole disposed within the lower recessed region;

wherein, the upper exhaust gas enters the upper concave section through the upper air inlet, then enters the lower concave section through the upper through hole and the lower through hole, and returns to the upper support through the lower through hole and the upper through hole, so as to leave the pumping exhaust mechanism from the exhaust outlet.

7. The pump exhaust mechanism according to claim 6, wherein the upper concave section is formed in an outwardly open form at the upper pedestal, and the lower concave section is formed in an outwardly open form at the lower pedestal.

8. The pump exhaust mechanism according to claim 6, wherein the upper flow hole includes a first upper flow hole and a second upper flow hole, and the lower flow hole includes a first lower flow hole and a second lower flow hole, the first upper flow hole forming a flow path between the upper seat and the lower seat with respect to the first lower flow hole, and the second upper flow hole forming another flow path between the upper seat and the lower seat with respect to the first lower flow hole.

9. A pumping exhaust mechanism is applied to a compressor, and is characterized by comprising:

an upper sealing plate having an exhaust outlet; and

the upper support is combined with the upper sealing plate and provided with an upper air inlet, an upper circulation hole and a plurality of upper sunken sections, the upper air inlet is arranged in one sunken section of the upper sunken sections, and the upper sunken sections are communicated with each other by utilizing a bridging section;

the upper exhaust gas enters the upper concave section corresponding to the upper air inlet through the upper air inlet, passes through other upper concave sections of the upper concave sections through the bridging section, and finally leaves the pumping exhaust mechanism from the exhaust outlet.

10. The pump discharge mechanism as claimed in claim 9, wherein the plurality of upper recess sections are formed in the upper holder in an outwardly open form.

11. The pumping and exhausting mechanism of claim 9, wherein a space defined between the bridging section and the upper sealing plate is smaller than a space defined between any one of the plurality of upper recessed sections and the upper sealing plate.