CN200978792Y - Muffling, filtering and load-reducing valve for Venturi tube - Google Patents
Muffling, filtering and load-reducing valve for Venturi tube Download PDFInfo
- Publication number
- CN200978792Y CN200978792Y CN 200620076203 CN200620076203U CN200978792Y CN 200978792 Y CN200978792 Y CN 200978792Y CN 200620076203 CN200620076203 CN 200620076203 CN 200620076203 U CN200620076203 U CN 200620076203U CN 200978792 Y CN200978792 Y CN 200978792Y
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- valve
- venturi tube
- piston
- muffling
- load
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Abstract
The utility model discloses a Venturi tube sound-deadening and cleaning easing valve including a value body and a dissipative muffler assembled on the value body, an air outlet and an air-vent valve inlet port on the value body, the dissipative muffler comprises a casting and a filter element, an air entry is provided on the casing, a holdfast bonnet with an easing starting valve bar is arranged on the value body, characterized in that a plunger mechanism is provided at the end of the channel connected with the air-vent valve inlet port, a corresponding on-off opening is provided between each upper ends of the holdfast bonnet and the plunger mechanism, an air entry on the casting is connected with a sound-deadening tube inside the casting, the air outlet of the value body is connected with the Venturi tube, the Venturi tube is arranged inside the casing connected with the casting, the air-vent valve inlet port is located on the casing. The utility model has the advantages of novel structure, simple and practical, intelligent design, stable and reliable actions, fine leakproofness, more particularly excellent sound-deadening effect, long service life and low cost.
Description
Technical field:
The utility model relates to the machinery parts, is off-load and silencer on a kind of air compressor, specifically, is a kind of Venturi tube muffling filtering and load-reducing valve.
Background technique:
Air compressor is to use machinery widely, piston type air compressor especially, and the power equipment that generally uses of all trades and professions especially, and on these piston type air compressors, generally using a large amount of off-load silencing apparatuss at present.The general structure of the existing off-load silencing apparatus of this class is comparatively complicated, and also comparatively heavy, cost is also higher relatively, also has certain problem in addition in reliability with on working life.
Summary of the invention:
The purpose of this utility model provides a kind of simple and practical, and is reasonable in design, move reliable and stable, good airproof performance, effective, the long service life of especially eliminating the noise, the Venturi tube muffling filtering and load-reducing valve that cost is low.
Technical solution of the present utility model is: a kind of Venturi tube muffling filtering and load-reducing valve, valve body and the silencing apparatus that is combined on the valve body are arranged, air outlet and pressure regulator valve suction port are arranged on the valve body, silencing apparatus comprises case and filter core, intakeport is arranged on the case, the support valve gap of band off-loading starting valve rod is housed on the valve body, it is characterized in that: the channel end that is connected with the pressure regulator valve suction port has piston mechanism, correspondingly remain to be opened and closed mouth in the support valve gap with between piston mechanism sealing surface upper end, intakeport on the case is connected with the hush tube that is positioned at case, air outlet on the valve body is connected with Venturi tube, in the housing that Venturi tube is loaded on case is connected, the pressure regulator valve suction port is positioned on the housing.
Filter core is equipped with on hush tube inboard and/or top described in the utility model.The piston cavity that comprises the channel end that is connected with the pressure regulator valve suction port in the piston mechanism is equipped with piston in the piston cavity, piston rod is arranged on the piston, and upper cover of piston rod has spring, and the upper-end surface of piston rod is a sealing surface, the sealing face with wait to open and close mouthful corresponding.Off-loading starting valve rod lower end is equipped with and is closed valve plate, spring is housed closing between valve plate and support valve gap inwall, closes valve plate and is positioned at the opposite side relative with rod seal face that the support valve gap waits to open and close mouth, and adjusting handle is equipped with in the upper end of valve rod.Piston rod has the top edge as the expansion of sealing surface, and Sealing is arranged on the sealing surface.The opening of giving vent to anger on the housing of Venturi tube is housed, and the air outlet of Venturi tube is positioned at the end of housing, has outlet passageway on the lattice plate in housing.The pressure regulator valve suction port is positioned at the top of housing, and the pressure regulator valve gas-entered passageway that communicates with piston cavity on the valve body passes whole Venturi tube.
The beneficial effects of the utility model are: the novel structure uniqueness, simple and practical, design ingenious rationally, move reliable and stable, good airproof performance, effective, the long service life of especially eliminating the noise, cost is low.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is further described:
Accompanying drawing is the structural representation of a kind of Venturi tube muffling filtering and load-reducing valve of the present utility model.
Embodiment:
Accompanying drawing has been described an embodiment of the present utility model, in this embodiment, valve body 1 and the silencing apparatus that is combined on the valve body 1 are arranged, air outlet 2 and pressure regulator valve suction port 3 are arranged on the valve body 1, silencing apparatus comprises case 4 and filter core 5, intakeport 6 is arranged on the case 4, and the intakeport 6 on the case 4 is connected with the hush tube 19 that is positioned at case 4.Air outlet 2 on the valve body 1 is connected with Venturi tube 21, and Venturi tube 21 is loaded in the housing 22 that is connected with case 4, and pressure regulator valve suction port 3 is positioned on the housing 22. Filter core 5,20 is equipped with on described hush tube 19 inboards and/or top.The support valve gap 12 of band off-loading starting valve rod 13 is housed on the valve body 1, the channel end that is connected with pressure regulator valve suction port 3 has piston cavity 7, piston 8 is housed in the piston cavity 7, piston rod 18 is arranged on the piston 8, be with spring 17 on the piston rod 18, the upper-end surface of piston rod 18 is a sealing surface, the corresponding keying mouth 9 that remains with piston seal face upper end in the support valve gap 12.Described off-loading starting valve rod 13 lower ends are equipped with and are closed valve plate 14, spring 10 are housed closing between valve plate 14 and support valve gap 12 inwalls, close that valve plate 14 is positioned at that support valve gap 12 waits to open and close mouth 9 with the relative opposite side of piston rod 18 sealing surfaces; Adjusting handle 16 is equipped with in the upper end of valve rod 13.Piston rod 18 has the top edge 15 of expansion, and Sealing 11 (O-ring seal) is arranged on the sealing surface.Pressure regulator valve suction port 3 is positioned at valve body 1 bottom outer side surface.Noise elimination intakeport 6 on the silencing apparatus case 4 is positioned at the bottom of case 4.The opening 23 of giving vent to anger on the housing 22 of Venturi tube 21 is housed, and the air outlet 24 of Venturi tube 21 is positioned at the end of housing 22, has outlet passageway 26 on the lattice plate 25 in housing 22.Pressure regulator valve suction port 3 is positioned at the top of housing 22, and the pressure regulator valve gas-entered passageway 27 that communicates with piston cavity 7 on the valve body 1 passes whole Venturi tube 21.
Claims (7)
1, a kind of Venturi tube muffling filtering and load-reducing valve, valve body and the silencing apparatus that is combined on the valve body are arranged, air outlet and pressure regulator valve suction port are arranged on the valve body, silencing apparatus comprises case and filter core, intakeport is arranged on the case, the support valve gap of band off-loading starting valve rod is housed on the valve body, it is characterized in that: the channel end that is connected with the pressure regulator valve suction port has piston mechanism, correspondingly remain to be opened and closed mouth in the support valve gap with between piston mechanism sealing surface upper end, intakeport on the case is connected with the hush tube that is positioned at case, air outlet on the valve body is connected with Venturi tube, and in the housing that Venturi tube is loaded on case is connected, the pressure regulator valve suction port is positioned on the housing.
2, Venturi tube muffling filtering and load-reducing valve according to claim 1, it is characterized in that: filter core is equipped with on hush tube inboard and/or top.
3, Venturi tube muffling filtering and load-reducing valve according to claim 1 and 2, it is characterized in that: the piston cavity that comprises the channel end that is connected with the pressure regulator valve suction port in the piston mechanism, piston is housed in the piston cavity, piston rod is arranged on the piston, upper cover of piston rod has spring, the upper-end surface of piston rod is a sealing surface, the sealing face with wait to open and close mouthful corresponding.
4, Venturi tube muffling filtering and load-reducing valve according to claim 1 and 2, it is characterized in that: off-loading starting valve rod lower end is equipped with and is closed valve plate, spring is housed closing between valve plate and support valve gap inwall, close valve plate and be positioned at the opposite side relative with rod seal face that the support valve gap waits to open and close mouth, adjusting handle is equipped with in the upper end of valve rod.
5, Venturi tube muffling filtering and load-reducing valve according to claim 1 and 2, it is characterized in that: piston rod has the top edge as the expansion of sealing surface, and Sealing is arranged on the sealing surface.
6, Venturi tube muffling filtering and load-reducing valve according to claim 1 and 2 is characterized in that: the opening of giving vent to anger on the housing of Venturi tube is housed, and the air outlet of Venturi tube is positioned at the end of housing, has outlet passageway on the lattice plate in housing.
7, Venturi tube muffling filtering and load-reducing valve according to claim 1 and 2, it is characterized in that: the pressure regulator valve suction port is positioned at the top of housing, and the pressure regulator valve gas-entered passageway that communicates with piston cavity on the valve body passes whole Venturi tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620076203 CN200978792Y (en) | 2006-08-03 | 2006-08-03 | Muffling, filtering and load-reducing valve for Venturi tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620076203 CN200978792Y (en) | 2006-08-03 | 2006-08-03 | Muffling, filtering and load-reducing valve for Venturi tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200978792Y true CN200978792Y (en) | 2007-11-21 |
Family
ID=38979170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620076203 Expired - Fee Related CN200978792Y (en) | 2006-08-03 | 2006-08-03 | Muffling, filtering and load-reducing valve for Venturi tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200978792Y (en) |
-
2006
- 2006-08-03 CN CN 200620076203 patent/CN200978792Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |