CN205781146U - A kind of air reducing valve of band air filter - Google Patents
A kind of air reducing valve of band air filter Download PDFInfo
- Publication number
- CN205781146U CN205781146U CN201620584587.XU CN201620584587U CN205781146U CN 205781146 U CN205781146 U CN 205781146U CN 201620584587 U CN201620584587 U CN 201620584587U CN 205781146 U CN205781146 U CN 205781146U
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- air
- valve
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- base
- piston
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Abstract
The utility model discloses the air reducing valve of a kind of band air filter, the housing being threaded connection including lid and lid and the integrated base of housing, filtration bucket, it is provided with piston in described housing, it is fixedly connected with valve plate in the bottom of piston, and it is provided with regulation spring between the bottom and the bottom of piston of housing, on housing, the right side opening of valve plate is provided with pore, described base is provided with the valve base corresponding with valve plate adaptation and position, and the length of valve plate and valve base is equal to the interior diameter length of base；Offering inlet channel and exhaust passage between described housing and base on the sidewall of two ends respectively, be provided with air entraining pipe in described filtration bucket, air entraining pipe bottom is inserted in the water filtering bucket, and filtration bucket one end is connected with inlet channel.The beneficial effects of the utility model are: can filter the dust-like in inlet air, metal dusting class impurity, and the dismounting of simple in construction, beneficially air relief valve and maintenance.
Description
Technical field
This utility model relates to valve technology field, specifically, is the air reducing valve of a kind of band air filter.
Background technology
Air reducing valve is the special arrangement of a kind of automatic reduction working pressure of pipeline, and it can be by gas pressure higher before valve
Power reduces gas pressure required to valve, so that post-decompression gas pressure can be used in work or daily life.And it is empty
Often with impurity such as dust-like, metal dusting classes in gas, when the air with impurity regulates pressure through air relief valve for a long time,
Easily air relief valve inside is resulted in blockage, and easily the assembly within air relief valve is caused abrasion, ultimately result in air relief valve
Damaging, the gas pressure making air relief valve outfan is unstable.It addition, the air relief valve valve core structure of prior art is complicated, it is not easy to
Dismounting after using and maintenance, make the use that air relief valve can not be repeated.
Therefore, design a air relief valve that impurity in inlet air can be filtered, be the art
Technical staff's technical issues that need to address.
Utility model content
The purpose of this utility model is to provide the air reducing valve of a kind of band air filter, it is possible to empty to air inlet
Dust-like, metal dusting class impurity in gas filter.
This utility model is achieved through the following technical solutions:
A kind of air reducing valve of band air filter, the housing being threaded connection including lid and lid and shell
The base of body by integral forming, filtration bucket, be provided with piston in described housing, be fixedly connected with valve plate in the bottom of piston, and
Being provided with regulation spring between the bottom and the bottom of piston of housing, on housing, the right side opening of valve plate is provided with pore, described
Base is provided with the valve base corresponding with valve plate adaptation and position, and the length of valve plate and valve base is equal to base
Interior diameter length；Inlet channel and exhaust passage, described mistake is offered on the sidewall of two ends respectively between described housing and base
Being provided with air entraining pipe in drainage bucket, air entraining pipe bottom is inserted in the water filtering bucket, and filtration bucket one end is connected with inlet channel.
Operation principle of the present utility model is: pressure air is entered in filtration bucket by air entraining pipe, through filtering bucket
In the filtration of water, the impurity such as the dust-like in air, metal dusting class can be stayed in filtration bucket, clean air is then
Enter in the inlet channel of air relief valve.When pressure air passes through the entrance exhaust passage, space between valve plate and valve base,
Partial pressure air enters the top of piston through pore, and when reaching certain pressure, piston starts to move down, compression adjustment bullet
Spring, when exhaust passage air pressure reaches setting, closes between valve plate and valve base, thus stops pressure air to enter
Enter, make the air pressure of exhaust passage keep stable.When the air pressure of exhaust passage reduces, piston is at the bullet of regulation spring
Moving up under power effect, drive valve plate to leave valve base, pressure air reenters exhaust passage, in making exhaust passage again
Air pressure raise, Guan Bi that such valve plate circulates with valve base, leave, to reach exhaust passage air-pressure stable
Purpose.
Use the air reducing valve that this structure designs, the impurity such as the dust-like in air, metal dusting class can not only be risen
To filtration, so that air relief valve inside will not be resulted in blockage, wear and tear by clean air, and the letter of this utility model structure
Single, lid is threaded connection with housing, the dismounting of air relief valve and maintenance after being conducive to using, and works as the piston in air relief valve
When having damage, it is possible to open lid and in time piston is replaced, enable the use that air relief valve is repeated.
Further, being provided with neck between described filtration bucket and inlet channel, neck one end is fixed even with filtering bucket
Connecing, the other end is provided with drying device, and is provided with joint at the afterbody of drying device, described filtration bucket by joint with described enter
Gas passage connects.Filtering, between bucket and inlet channel, drying device is set, is conducive to the humidity after making by water filtration
Pressure air becomes dry, so that the assembly within air relief valve is difficult to get rusty, to ensure the permanent of air relief valve service life.
Further, it is provided with the metal mesh sheet that two panels is parallel to each other in described drying device, and sets between metal mesh sheet
There is variable color silica gel.Variable color silica gel contains nontoxic, harmless cobaltous chloride, and the water vapour in air is had extremely strong adsorption,
Different colors can be demonstrated, i.e. by the blueness before moisture absorption with moisture absorption by contained cobaltous chloride water of crystallization number change again simultaneously
The increase of amount and be gradually transformed into light red, thus indicate the humidity of pressure air in air relief valve, allow the operator to directly perceived
The change of the color according to variable color silica gel determine that silica gel is the need of changing in time.
Further, between described joint and inlet channel, it is additionally provided with entrance spigot joint, and the spigot joint two ends of entrance and joint,
Inlet channel is threaded connection respectively, has been threaded connection outlet in one end, described exhaust passage spigot joint.At inlet channel
Place's inlet porting is spigot joint, it is possible to when making pressure air enter air relief valve, forms the air-flow of fixed volume, and sets at exhaust passage
Putting outlet spigot joint, it is possible to make post-decompression pressure air form the air-flow of fixed volume, described entrance is spigot joint spigot joint with outlet same
Time can also play pressure air enter before with discharge after drainage.
Further, the lateral wall of described piston is provided with sealing ring and antifriction ring, and sealing ring is positioned at the upper of antifriction ring
Side.Sealing ring can make the pressure air above piston will not enter into the lower section of piston, thus avoids pressurizing valve decompression
Inefficacy, air-tightness is good, and antifriction ring can play the effect reducing piston lateral wall and case inside wall friction power, so that living
The service life of plug is more permanent.
Further, between described lid and housing, inlet channel and entrance spigot joint between, exhaust passage spigot joint with outlet
Between threaded connection place be respectively equipped with sealant tape.Between lid and housing, inlet channel and entrance spigot joint between, aerofluxus
Passage and export spigot joint between be respectively provided with sealant tape, the air-tightness making air relief valve is more preferable, and can make to enter into decompression
Pressure air in valve will not produce loss of pressure phenomenon, thus further ensure that stablizing of air relief valve outlet pressure.
Further, described valve plate and valve base are feather joint, when pressure air promotes piston to move down, pass through
Guan Bi that can be tight between valve plate and the valve base of feather joint, it is ensured that the air-tightness of air relief valve, thus ensure when outlet pressure
When power reaches setting, it is possible to the effective entrance stoping pressure air, to realize the purpose that pressure air is reduced pressure by air relief valve.
This utility model has the following advantages and beneficial effect:
(1) dust-like in inlet air, metal dusting class impurity can be filtered by this utility model；
(2) dismounting of this utility model simple in construction, beneficially air relief valve and maintenance；
(3) air-tightness of the present utility model is more preferable.
Accompanying drawing explanation
Fig. 1 is the sectional view of the air reducing valve of a kind of band air filter；
Fig. 2 is the attachment structure schematic diagram of piston and base；
Fig. 3 is the sectional view of drying device；
Wherein: 1 lid, 2 housings, 3 regulation springs, 4 pistons, 5 sealing rings, 6 antifriction rings, 7 valve
Plate, 8 valve bases, 9 bases, 10 entrances are spigot joint, and 11 outlets are spigot joint, 12 drying devices, 13 air entraining pipes, 14 mistakes
Drainage bucket, 15 necks, 16 joints, 17 metal mesh sheets, 18 pores.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1:
The air reducing valve of a kind of band air filter, as shown in Figure 1-Figure 3, including lid 1, housing 2, base 9, mistake
Drainage bucket 14, described lid 1 is connected with the top of housing 2 by screw thread, and housing 2 is internal has cavity, the bottom of housing 2 and the end
Seat 9 composition one is with the cylindrical structure of cavity, and housing 2 is one-body molded with base 9, two between housing 2 and base 9
Offer inlet channel and exhaust passage on the wall of side respectively, and inlet channel one end be threaded connection entrance spigot joint 10,
One end, exhaust passage has been threaded connection outlet spigot joint 11, is provided with piston 4, fixes in the bottom of piston 4 in the cavity of housing 2
Connecting and have valve plate 7, and be provided with regulation spring 3 between the bottom of the bottom of housing 2 and piston 4, the bottom of housing 2 offers
With the hole of valve plate 7 adaptation, sidewall, the right side opening of valve plate 7 at housing 2 be provided with pore 18, described base 9 be provided with
The valve base 8 that valve plate 7 is adaptive and position is corresponding, and valve plate 7 and the length of valve base 8 be equal to base 9 interior directly
Electrical path length.
As shown in Figure 1-Figure 3, described filtration bucket 14 is the barrel-like structure closed, and is provided with at the top filtering bucket 14
Hole, is provided with neck 15 at the sidewall filtering bucket 14, loads a certain amount of water in filtering bucket 14, described filtration bucket 14
Being plugged with air entraining pipe 13 in the hole of top, and the bottom of air entraining pipe 13 is inserted in the water filtering bucket 14, neck 15 other end leads to
Crossing threaded has a drying device 12, and has been threaded connection joint 16, described filtration bucket at the afterbody of drying device 12
14 are connected by joint 16 spigot joint with described entrance 10.
During use, pressure air is entered in filtration bucket 14 by air entraining pipe 13, through filtering the mistake of the water in bucket 14
Filter, the impurity such as the dust-like in air, metal dusting class can be stayed filtration bucket 14 in, clean air then enter into into
In mouth spigot joint 10.When pressure air passes through the entrance exhaust passage, space between valve plate 7 and valve base 8, partial pressure air
Enter the top of piston 4 through pore 18, when reaching certain pressure, piston 4 starts to move down, and row worked as by compression adjustment spring 3
When gas passage air pressure force reaches setting, close between valve plate 7 and valve base 8, thus stop pressure air to enter, the row of making
The air pressure of gas passage keeps stable.When the air pressure of exhaust passage reduces, piston 4 is made at the elastic force of regulation spring 3
Moving up under with, drive valve plate 7 to leave valve base 8, pressure air reenters exhaust passage, in making exhaust passage again
Air pressure raises, and Guan Bi that such valve plate 7 circulates with valve base 8, leaves, to reach exhaust passage air-pressure stable
Purpose, and drying device 12 is conducive to the moist pressure air after making by water filtration to become dry, so that air relief valve
Internal assembly is difficult to get rusty, to ensure the permanent of air relief valve service life.
Embodiment 2:
The present embodiment does optimization further on the basis of above-described embodiment, as shown in Figure 1-Figure 3, further, described dry
It is provided with the metal mesh sheet 17 that two panels is parallel to each other in dry device 12, and between metal mesh sheet 17, is placed with variable color silica gel, dry
Medial wall, dry device 12 two ends is provided with screw thread, and described neck 15, joint 16 are respectively by the two ends of screw thread with drying device 12
It is connected.
Variable color silica gel contains nontoxic, harmless cobaltous chloride, has extremely strong adsorption to the water vapour in air, simultaneously
Different colors can be demonstrated, i.e. by the blueness before moisture absorption with hygroscopic capacity again by contained cobaltous chloride water of crystallization number change
Increase and be gradually transformed into light red, thus indicate the humidity of pressure air in air relief valve, allow the operator to root intuitively
Change according to the color of variable color silica gel and determine that silica gel is the need of changing in time.
Embodiment 3:
The present embodiment does optimization further, as shown in Figure 1-Figure 3, further, described work on the basis of above-described embodiment
The lateral wall of plug 4 is provided with sealing ring 5 and the antifriction ring 6 that the medial wall with housing 2 connects, and sealing ring 5 is positioned at antifriction ring 6
Top.Sealing ring 5 can make the pressure air above piston 4 will not enter into the lower section of piston 4, makes the air-tightness of air relief valve
More preferably, it is to avoid the inefficacy of pressurizing valve decompression, antifriction ring 6 can play reduction piston lateral wall and case inside wall friction power
Effect so that the service life of piston is more permanent.
Embodiment 4:
The present embodiment does optimization further, as shown in Figure 1-Figure 3, further, described lid on the basis of above-described embodiment
Between body 1 and housing 2, inlet channel and entrance spigot joint between 10, threaded connection place between exhaust passage and outlet spigot joint 11
Being respectively equipped with sealant tape, the air-tightness making air relief valve is more preferable, and can make the pressure air entering in air relief valve will not
Produce loss of pressure phenomenon, thus further ensure that stablizing of air relief valve outlet pressure.
Embodiment 5:
The present embodiment does optimization further, as shown in Figure 1-Figure 3, further, described work on the basis of above-described embodiment
Door-plate 7 and valve base 8 are feather joint, when pressure air promotes piston 4 to move down, by the valve plate 7 of feather joint with alive
Guan Bi that can be tight between gate seat 8, it is ensured that the air-tightness of air relief valve, thus ensure when outlet pressure reaches setting, energy
Enough effective entrance stoping pressure air, to realize the purpose that pressure air is reduced pressure by air relief valve.
The above, be only preferred embodiment of the present utility model, and this utility model not does any pro forma limit
System, every according to technical spirit of the present utility model, above example is made any simple modification, equivalent variations, each fall within
Within protection domain of the present utility model.
Claims (7)
1. the air reducing valve of a band air filter, it is characterised in that: include that lid (1) and lid (1) pass through screw thread
The housing (2) connected and housing (2) integrated base (9), filtration bucket (14), described housing is provided with piston in (2)
(4), it is fixedly connected with valve plate (7) in the bottom of piston (4), and sets between the bottom of the bottom of housing (2) and piston (4)
Having regulation spring (3), the right side opening at the upper valve plate (7) of housing (2) is provided with pore (18), and described base (9) is provided with and lives
The valve base (8) that door-plate (7) is adaptive and position is corresponding, and the length of valve plate (7) and valve base (8) is equal to base
(9) interior diameter length；Offer inlet channel between described housing (2) and base (9) on the sidewall of two ends respectively to lead to aerofluxus
Road, is provided with air entraining pipe (13) in described filtration bucket (14), air entraining pipe (13) bottom is inserted in the water filtering bucket (14), and mistake
Drainage bucket (14) one end is connected with inlet channel.
The air reducing valve of a kind of band air filter the most according to claim 1, it is characterised in that: described drainage excessively
Being provided with neck (15) between bucket (14) and inlet channel, neck (15) one end is fixing with filtration bucket (14) to be connected, and the other end sets
Having a drying device (12), and be provided with joint (16) at the afterbody of drying device (12), described filtration bucket (14) passes through joint
(16) it is connected with described inlet channel.
The air reducing valve of a kind of band air filter the most according to claim 2, it is characterised in that: described dry dress
It is provided with the metal mesh sheet (17) that two panels is parallel to each other in putting (12), and is provided with variable color silica gel between metal mesh sheet (17).
The air reducing valve of a kind of band air filter the most according to claim 2, it is characterised in that: at described joint
(16) and it is additionally provided with entrance spigot joint (10) between inlet channel, and entrance spigot joint (10) two ends are divided with joint (16), inlet channel
It is not threaded connection, has been threaded connection outlet spigot joint (11) in one end, described exhaust passage.
5. according to the air reducing valve of a kind of band air filter described in any one of claim 1-4, it is characterised in that: institute
The lateral wall stating piston (4) is provided with sealing ring (5) and antifriction ring (6), and sealing ring (5) is positioned at the top of antifriction ring (6).
6. according to the air reducing valve of a kind of band air filter described in any one of claim 1-4, it is characterised in that: institute
State between lid (1) and housing (2), between inlet channel and entrance spigot joint (10), between exhaust passage and outlet spigot joint (11)
Threaded connection place be respectively equipped with sealant tape.
7. according to the air reducing valve of a kind of band air filter described in any one of claim 1-4, it is characterised in that: institute
Stating valve plate (7) with valve base (8) is feather joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620584587.XU CN205781146U (en) | 2016-06-16 | 2016-06-16 | A kind of air reducing valve of band air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620584587.XU CN205781146U (en) | 2016-06-16 | 2016-06-16 | A kind of air reducing valve of band air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781146U true CN205781146U (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620584587.XU Expired - Fee Related CN205781146U (en) | 2016-06-16 | 2016-06-16 | A kind of air reducing valve of band air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205781146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907366A (en) * | 2017-01-13 | 2017-06-30 | 珠海优特物联科技有限公司 | Gas valve, pressure-reducing valve and proportioning machine |
-
2016
- 2016-06-16 CN CN201620584587.XU patent/CN205781146U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907366A (en) * | 2017-01-13 | 2017-06-30 | 珠海优特物联科技有限公司 | Gas valve, pressure-reducing valve and proportioning machine |
| CN106907366B (en) * | 2017-01-13 | 2019-01-25 | 珠海优特智厨科技有限公司 | Gas valve, pressure reducing valve and proportioning machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |