CN201507365U - One-way intake valve for carburetors of thermal foggers - Google Patents
One-way intake valve for carburetors of thermal foggers Download PDFInfo
- Publication number
- CN201507365U CN201507365U CN200920205353XU CN200920205353U CN201507365U CN 201507365 U CN201507365 U CN 201507365U CN 200920205353X U CN200920205353X U CN 200920205353XU CN 200920205353 U CN200920205353 U CN 200920205353U CN 201507365 U CN201507365 U CN 201507365U
- Authority
- CN
- China
- Prior art keywords
- acoustical panel
- carburetor
- housing
- sound absorption
- breather cheek
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a one-way intake valve for carburetors of thermal foggers. The cylindrical sidewall of a shell of the one-way intake valve is divided by partitions into three to five muffling sub-chambers, which are isolated from a main muffling chamber positioned in the center of the shell by a baffle, and the baffle is provided with a plurality of small muffling holes which communicate the muffling sub-chambers with the main muffling chamber; sidewall noise-absorbing sponge is mounted in each muffling sub-chamber, and a piece of columnar central noise-absorbing sponge is mounted in the center of the main muffling chamber; the outside of a bottom plate of the shell is provided with a one-way valve seat, which is provided with a plurality of one-way valve air holes arranged circularly, and the one-way valve air holes are aimed at an air passage between the central noise-absorbing sponge and the baffle; and a muffler cover is provided with a plurality of small muffling holes, which are communicated with the muffling sub-chambers. The utility model has a good muffling effect, so that noise is greatly reduced when an engine operates, and thereby the working condition can be effectively improved for operators.
Description
[technical field]
The utility model relates to the heating power smoke machines, relates in particular to a kind of heating power aerosol sprayer carburetor breather cheek valve.
[background technique]
The heating power smoke machines is because its unique insecticide-applying way and unrivaled dissipation effect are occupied increasing market in present forestry, agricultural, pastoral farming and city dissipation.
That the pulse duct of heating power smoke machines needs to carry out in the course of the work is air-breathing, burning, outburst and exhaust process, because the motor of heating power smoke machines is apneustic, will inevitably produce the negative pressure and the high pressure of pulse at the suction port of the Carburetor that communicates with engine chamber.The suction port of Carburetor produces adverse current when preventing engine combustion, outburst and exhaust, at the suction port of Carburetor a breather cheek valve need be installed.
The acoustic pressure of the suction port place pulse of Carburetor will inevitably produce noise.Traditional Carburetor breather cheek valve only relies on a sound absorption sponge 3 to come noise reduction, erasure effect is bad, the noise that produces at the breather cheek valve place during engine operation, can reach more than the 111dBA in sound pressure level from 1 meter of equipment, no matter this is to operator itself or to the residing space environment of machine, all can produce the noise pollution that is difficult to accept.Since sound absorption sponge 3 resistance shelves the gas-entered passageway of Carburetor, the intake resistance of motor is bigger.
Traditional Carburetor breather cheek valve adopts 3 mounting screws 4 to be installed on the bead of Carburetor 11 suction ports, in order to dismantle 3 mounting screws 4, needs earlier knurled nut 1, baffler lid 2, sound absorption sponge 3 to be pulled down.This Carburetor breather cheek valve is not easy to dismounting and maintenance.
[summary of the invention]
The technical problems to be solved in the utility model provides a kind of good muffling effect, the heating power aerosol sprayer carburetor breather cheek valve that noise is lower during engine operation.
The technical problem that the utility model further will solve provides less, the easy-to-mount heating power aerosol sprayer carburetor of a kind of intake resistance breather cheek valve.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of heating power aerosol sprayer carburetor breather cheek valve, comprise housing, one-way valve diaphragm and membrane baffle, baffler lid, central authorities sound absorption sponge, sidewall sound absorption sponge, acoustical panel, the sidewall of housing tubular is divided into 3 to 5 branch anechoic chambers with dividing plate, branch anechoic chamber and separating with acoustical panel between the main anechoic chamber of housing central authorities has a plurality of noise reduction apertures to be communicated with branch anechoic chamber and main anechoic chamber on the acoustical panel; Sidewall sound absorption sponge is housed in each branch anechoic chamber, and the central authorities of main anechoic chamber are equipped with the central authorities sound absorption sponge of column; The outside of the base plate of housing comprises unidirectional valve seat, comprises a plurality of one-way valve pores that are circular layout on the unidirectional valve seat, and described one-way valve pore is facing to the air flue between central authorities sound absorption sponge and the acoustical panel; Described baffler covers and comprises a plurality of noise reduction apertures, and the noise reduction aperture of baffler lid communicates with the branch anechoic chamber.
There is airflow clearance in above-described aerosol sprayer carburetor breather cheek valve between described sidewall sound absorption sponge and the acoustical panel, has airflow clearance between described sidewall sound absorption sponge and the baffler lid.
Above-described aerosol sprayer carburetor breather cheek valve, airflow clearance average between described sidewall sound absorption sponge and the acoustical panel is 0.5 to 1.5 millimeter, airflow clearance average between described sidewall sound absorption sponge and the baffler lid is 0.5 to 1.5 millimeter.
Above-described aerosol sprayer carburetor breather cheek valve, described acoustical panel are the acoustical panel of arc, and there is erection column at the two ends of arc acoustical panel, and there is the longitudinal socket of arc acoustical panel erection column dividing plate outer end, branch anechoic chamber; Cover the arcuate furrow that installation arc acoustical panel is arranged respectively with baffler on the base plate of housing.
Above-described aerosol sprayer carburetor breather cheek valve, described dividing plate are outstanding to baffler lid direction at the longitudinal socket position, and described baffler is stamped corresponding to described outstanding pod; 2 erection columns short 1 long 1 of every arc acoustical panel are short, and described baffler is stamped and the identical locating stud of arc acoustical panel quantity, and described locating stud inserts in the longitudinal socket at short erection column place.
Above-described aerosol sprayer carburetor breather cheek valve comprises the air outlet hole of branch anechoic chamber on the base plate of housing.
Above-described aerosol sprayer carburetor breather cheek valve comprises seal ring, and described seal ring is installed in the outside of housing base plate; The outside of housing base plate comprises the assembly department of tubular, the tubular assembly department comprise circumferentially uniform Carburetor bayonet socket of 3 edges interior week.
Above-described aerosol sprayer carburetor breather cheek valve, described seal ring comprise that 3 have mounting hole along the uniform lug of its periphery on the described lug, and the outside of housing base plate comprises 3 seal ring mount pins, and described lug hangs on the mount pin; Described seal ring respectively comprises the prominent lip of 1 circle at housing direction and Carburetor direction, and described seal ring comprises 1 circle groove at housing direction, and described groove is within the prominent lip of this direction.
Above-described aerosol sprayer carburetor breather cheek valve, described one-way valve diaphragm and membrane baffle are installed on the unidirectional valve seat with wing screw, the center convex of membrane baffle is pressed in the one-way valve diaphragm on the diaphragm attachment face of unidirectional valve seat, and the peripheral position of membrane baffle comprises a plurality of pores of exerting pressure that are circular layout; The annular sealing surface of unidirectional valve seat hangs down 0.15 to 0.25 millimeter than the diaphragm attachment face of unidirectional valve seat.
Above-described aerosol sprayer carburetor breather cheek valve, the nanosponges of described sound absorption sponge for making for melamine-formaldehyde condensation products.
The utility model aerosol sprayer carburetor breather cheek valve is by the aperture noise reduction of the resistive noise reduction in main anechoic chamber, the noise reduction of acoustical panel aperture, the branch resistive noise reduction in anechoic chamber and baffler lid, can reduce the noise that the heating power smoke machines produces greatly, good muffling effect can be improved operator's operating conditions effectively.
[description of drawings]
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the structural representation of prior art aerosol sprayer carburetor breather cheek valve.
Fig. 2 is the utility model aerosol sprayer carburetor breather cheek valve embodiment's a outline drawing.
Fig. 3 is the utility model aerosol sprayer carburetor breather cheek valve embodiment's a parts explosion.
Fig. 4 is the structural drawing of the utility model aerosol sprayer carburetor breather cheek valve embodiment baffler lid.
Fig. 5 is the utility model aerosol sprayer carburetor breather cheek valve embodiment's a right elevation.
Fig. 6 is that A among Fig. 5 is to sectional view.
Fig. 7 is that B among Fig. 5 is to sectional view.
Fig. 8 is that C among Fig. 5 is to sectional view.
Fig. 9 is the outline drawing of the utility model aerosol sprayer carburetor breather cheek valve embodiment housing.
Figure 10 is the sectional view of the utility model aerosol sprayer carburetor breather cheek valve embodiment housing.
Figure 11 is that E among Figure 10 is to view.
Figure 12 is that D among Figure 10 is to view.
Figure 13 is one of schematic representation of the utility model embodiment aerosol sprayer carburetor breather cheek valve and Carburetor clamping.
Figure 14 be the utility model embodiment aerosol sprayer carburetor breather cheek valve and Carburetor clamping schematic representation two.
Figure 15 is the partial sectional view of the utility model embodiment aerosol sprayer carburetor breather cheek valve and Carburetor combination.
[embodiment]
To the embodiment of the utility model heating power aerosol sprayer carburetor breather cheek valve shown in Figure 15, heating power aerosol sprayer carburetor breather cheek valve comprises housing 6, one-way valve diaphragm 8 and membrane baffle 9, baffler lid 2, central authorities sound absorption sponge 3, sidewall sound absorption sponge 4, acoustical panel 5, seal ring 7, wing screw 10 and central screw 1 at Fig. 2.Central screw 1 is installed in baffler lid 2 and central authorities sound absorption sponge 3 on the housing 6.The sidewall 601 usefulness dividing plates 602 of housing 6 tubulars are divided into 4 branch anechoic chambers 603, each branch anechoic chamber 603 and separating with acoustical panel 5 between the main anechoic chamber 604 of housing 6 central authorities has many noise reduction apertures 501 to be communicated with branchs anechoic chambers 603 and main anechoic chambers 604 on the acoustical panel 5.Sidewall sound absorption sponge 4 is housed in each branch anechoic chamber 603, and the central authorities of main anechoic chamber 604 are equipped with the central authorities sound absorption sponge 3 of column.The central authorities in the outside of the base plate 605 of housing 6 are unidirectional valve seat, and the one-way valve pore 606 that has 2 rows to be circular layout on the unidirectional valve seat, one-way valve pore 606 face the air flue between central authorities sound absorption sponge 3 and the acoustical panel 5.Have 2 to arrange the noise reduction aperture 201 that is circular layout on the baffler lid 2, the noise reduction aperture 201 of baffler lid 2 communicates with branch anechoic chamber 603.
Have the airflow clearance Δ between the resistance when reducing air inlet, sidewall sound absorption sponge 4 and acoustical panel 5, there are airflow clearance δ in sidewall sound absorption sponge 4 and baffler between covering 2.The mean value of airflow clearance Δ is 0.5 to 1.5 millimeter between sidewall sound absorption sponge 4 and the acoustical panel 5, and the mean value of airflow clearance δ is 0.5 to 1.5 millimeter between sidewall sound absorption sponge 4 and the baffler lid 2.
For the ease of fixing of installation and baffler lid 2, dividing plate 602 covers the outstanding protuberance 609 of 2 directions at the oriented baffler in longitudinal socket position, baffler lid 2 pods 203 that have corresponding to protuberance 609.2 erection columns 502 short 1 long 1 of every arc acoustical panel 5 are short, and baffler lid 2 has 204,4 locating studs of 4 outstanding locating studs 204 to insert in the longitudinal socket 607 at short erection column 502 places.
There is the assembly department 610 of tubular in the outside of housing base plate, tubular assembly department 610 circumferentially uniform Carburetor bayonet socket 611 of 3 edges arranged in interior week.As Figure 13 and shown in Figure 14, there have 3 projections 1102 to insert in the bayonet socket 611 on the installation bead 1101 of Carburetor 11 to be fixing after the rotation.
In order further to improve erasure effect, the air outlet hole 615 of branch anechoic chamber is arranged on the base plate 605 of housing.At air outlet hole 615 positions, there is not airflow clearance between the base plate 605 of sidewall sound absorption sponge 4 and housing, the gas of discharging from air outlet hole 615 must pass sidewall sound absorption sponge 4, realizes auxiliary noise reduction.Between the installation bead 1101 of Carburetor 11 and the assembly department 610 of housing tubular noise reduction gap M is arranged, the air-flow that the branch anechoic chamber discharges from air outlet hole 615 enters atmosphere after the M noise reduction of noise reduction gap.
In order to guarantee the sealing between Carburetor and the breather cheek valve, between the installation bead of Carburetor 11 and the housing base plate 605 rubber seal 7 is housed.Seal ring 7 has 3 on the lug 701 mounting hole to be arranged along the uniform lug 701 of its periphery, and there are 3 seal rings, 7 mount pins 612 in the outside of housing base plate 605, and 3 lugs 701 of seal ring 7 hang on the mount pin 612 by mounting hole.Seal ring 7 respectively has the prominent lip 702 of 1 circle in housing 6 directions and Carburetor direction, and seal ring 7 has 1 circle groove 703 in housing 6 one sides, and groove 703 is positioned at housing 6 one sides, within the prominent lip periphery.The structure of 7 pairs of prominent lips of seal ring and groove can improve the elasticity of seal ring effectively, improves the sealing between Carburetor and the breather cheek valve.
One-way valve diaphragm 8 and membrane baffle 9 usefulness wing screws 10 are installed on the unidirectional valve seat in base plate 605 outsides of housing, the center convex 901 of membrane baffle 9 is pressed in one-way valve diaphragm 8 on the diaphragm attachment face 613 of unidirectional valve seat, the pore 902 of exerting pressure that the peripheral position of membrane baffle 9 has 2 rows to be circular layout, pulsating pressure acts on the outer surface of one-way valve diaphragm 8 by the pore 902 of exerting pressure, and makes closed check valve.The annular sealing surface 614 of unidirectional valve seat hangs down 0.15 to 0.25 millimeter than the diaphragm attachment face 613 of unidirectional valve seat.Like this, one-way valve diaphragm 8 has 0.15 to 0.25 mm clearance with the annular sealing surface of unidirectional valve seat under free state, can prevent between the annular sealing surface 614 of one-way valve diaphragm 8 and unidirectional valve seat viscous to take place, guarantee that one-way valve can respond fast to the high-speed pulse air pressure of motor.
Central authorities sound absorption sponge 3, sidewall sound absorption sponge in the present embodiment all are the nanosponges that melamine-formaldehyde condensation products is made.Because the nanosponges that melamine-formaldehyde condensation products is made has than high flame retardant, sound absorption properties and thermal insulation, can further improve the erasure effect of present embodiment.
Present embodiment adopts nanosponges as sound absorbing material, aperture noise reduction and the auxiliary noise reduction of air outlet hole 615 shuntings by the 604 resistive noise reductions of main anechoic chamber, acoustical panel 5 aperture noise reductions, the 603 resistive noise reductions of branch anechoic chamber, baffler lid 2 can reduce the noise that the heating power smoke machines produces greatly, reduce more than the 10dB than traditional heating power smoke machines noise, can improve operator's operating conditions effectively, reduce the influence of heating power smoke machines when work environment.
The gas-entered passageway of this enforcement Carburetor is unimpeded, and the sponge that do not absorb sound on the air flue stops that intake resistance is less, the engine efficiency height.
It is an assembly that present embodiment adopts the Carburetor breather cheek valve, and adopts snap fit to install with Carburetor, is convenient to dismounting and maintenance.
Claims (10)
1. heating power aerosol sprayer carburetor breather cheek valve, comprise housing, one-way valve diaphragm and membrane baffle, it is characterized in that, the sidewall that comprises baffler lid, central authorities sound absorption sponge, sidewall sound absorption sponge, acoustical panel, housing tubular is divided into 3 to 5 branch anechoic chambers with dividing plate, branch anechoic chamber and separating with acoustical panel between the main anechoic chamber of housing central authorities has a plurality of noise reduction apertures to be communicated with branch anechoic chamber and main anechoic chamber on the acoustical panel; Sidewall sound absorption sponge is housed in each branch anechoic chamber, and the central authorities of main anechoic chamber are equipped with the central authorities sound absorption sponge of column; The outside of the base plate of housing comprises unidirectional valve seat, comprises a plurality of one-way valve pores that are circular layout on the unidirectional valve seat, and described one-way valve pore is facing to the air flue between central authorities sound absorption sponge and the acoustical panel; Described baffler covers and comprises a plurality of noise reduction apertures, and the noise reduction aperture of baffler lid communicates with the branch anechoic chamber.
2. aerosol sprayer carburetor breather cheek valve according to claim 1 is characterized in that, has airflow clearance between described sidewall sound absorption sponge and the acoustical panel, has airflow clearance between described sidewall sound absorption sponge and the baffler lid.
3. aerosol sprayer carburetor breather cheek valve according to claim 2, it is characterized in that, airflow clearance average between described sidewall sound absorption sponge and the acoustical panel is 0.5 to 1.5 millimeter, and airflow clearance average between described sidewall sound absorption sponge and the baffler lid is 0.5 to 1.5 millimeter.
4. aerosol sprayer carburetor breather cheek valve according to claim 1 is characterized in that, described acoustical panel is the acoustical panel of arc, and there is erection column at the two ends of arc acoustical panel, and there is the longitudinal socket of arc acoustical panel erection column dividing plate outer end, branch anechoic chamber; Cover the arcuate furrow that installation arc acoustical panel is arranged respectively with baffler on the base plate of housing.
5. aerosol sprayer carburetor breather cheek valve according to claim 4 is characterized in that, described dividing plate is outstanding to baffler lid direction at the longitudinal socket position, and described baffler is stamped corresponding to described outstanding pod; 2 erection columns short 1 long 1 of every arc acoustical panel are short, and described baffler is stamped and the identical locating stud of arc acoustical panel quantity, and described locating stud inserts in the longitudinal socket at short erection column place.
6. aerosol sprayer carburetor breather cheek valve according to claim 1 is characterized in that, comprises the air outlet hole of branch anechoic chamber on the base plate of housing.
7. aerosol sprayer carburetor breather cheek valve according to claim 1 is characterized in that, comprises seal ring, and described seal ring is installed in the outside of housing base plate; The outside of housing base plate comprises the assembly department of tubular, the tubular assembly department comprise circumferentially uniform Carburetor bayonet socket of 3 edges interior week.
8. aerosol sprayer carburetor breather cheek valve according to claim 7, it is characterized in that described seal ring comprises 3 along the uniform lug of its periphery, on the described lug mounting hole is arranged, the outside of housing base plate comprises 3 seal ring mount pins, and described lug hangs on the mount pin; Described seal ring respectively comprises the prominent lip of 1 circle at housing direction and Carburetor direction, and described seal ring comprises 1 circle groove at housing direction, and described groove is within the prominent lip of this direction.
9. according to the described aerosol sprayer carburetor breather cheek valve of arbitrary claim in the claim 1 to 8, it is characterized in that, described one-way valve diaphragm and membrane baffle are installed on the unidirectional valve seat with wing screw, the center convex of membrane baffle is pressed in the one-way valve diaphragm on the diaphragm attachment face of unidirectional valve seat, and the peripheral position of membrane baffle comprises a plurality of pores of exerting pressure that are circular layout; The annular sealing surface of unidirectional valve seat hangs down 0.15 to 0.25 millimeter than the diaphragm attachment face of unidirectional valve seat.
10. according to the described aerosol sprayer carburetor breather cheek valve of arbitrary claim in the claim 1 to 8, it is characterized in that the nanosponges of described sound absorption sponge for making for melamine-formaldehyde condensation products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920205353XU CN201507365U (en) | 2009-09-29 | 2009-09-29 | One-way intake valve for carburetors of thermal foggers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920205353XU CN201507365U (en) | 2009-09-29 | 2009-09-29 | One-way intake valve for carburetors of thermal foggers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507365U true CN201507365U (en) | 2010-06-16 |
Family
ID=42468492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920205353XU Expired - Lifetime CN201507365U (en) | 2009-09-29 | 2009-09-29 | One-way intake valve for carburetors of thermal foggers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507365U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672230B (en) * | 2009-09-29 | 2011-09-28 | 深圳市隆瑞科技有限公司 | Thermal fogger and one-way air intake valve of carburetor of thermal fogger |
| CN110608111A (en) * | 2019-10-22 | 2019-12-24 | 南京林业大学 | Pulsation combustion engine capable of effectively reducing air intake noise |
| CN114263591A (en) * | 2021-12-27 | 2022-04-01 | 泰兴市兴华气阀有限公司 | High-efficient low noise type compressor admission valve |
-
2009
- 2009-09-29 CN CN200920205353XU patent/CN201507365U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672230B (en) * | 2009-09-29 | 2011-09-28 | 深圳市隆瑞科技有限公司 | Thermal fogger and one-way air intake valve of carburetor of thermal fogger |
| CN110608111A (en) * | 2019-10-22 | 2019-12-24 | 南京林业大学 | Pulsation combustion engine capable of effectively reducing air intake noise |
| CN114263591A (en) * | 2021-12-27 | 2022-04-01 | 泰兴市兴华气阀有限公司 | High-efficient low noise type compressor admission valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201507365U (en) | One-way intake valve for carburetors of thermal foggers | |
| CN107489488B (en) | Rotary oil-gas separator and engine | |
| CN101672230B (en) | Thermal fogger and one-way air intake valve of carburetor of thermal fogger | |
| CN201250802Y (en) | Air inlet and outlet structure of fan | |
| CN201314428Y (en) | Connecting device of fast installed air duct | |
| CN217696394U (en) | Cleaning equipment and power device thereof | |
| CN205478016U (en) | Built -in whistle box structure and car | |
| CN103195549A (en) | Silencer clapboard and silencer | |
| CN111096708B (en) | Air outlet cover assembly of dust collector and dust collector with same | |
| CN210033847U (en) | Roots blower silencer | |
| CN218493660U (en) | Exhaust pipe silencer | |
| CN106014543B (en) | Muffler for motor and its engine | |
| CN210622890U (en) | Low-noise silencer for gasoline engine | |
| CN111520263A (en) | Combined intake manifold | |
| CN211328788U (en) | Novel active carbon adsorption box | |
| CN213598040U (en) | Generator noise eliminator | |
| CN210197556U (en) | Bladeless purifying fan | |
| CN214304084U (en) | External carburetor structure of mute variable-frequency generator | |
| CN219658198U (en) | Vehicle-mounted smoke monitoring device | |
| CN216518647U (en) | Air blower device | |
| CN217846049U (en) | Exhaust hood of concentric atomic fluorescence spectrometer | |
| CN212870162U (en) | Toilet is with air supply plenum chamber | |
| CN214501655U (en) | Silencing static pressure box capable of balancing air quantity | |
| CN210913213U (en) | From type paper suction means | |
| CN211258848U (en) | Air intake manifold assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100616 Effective date of abandoning: 20090929 |