CN210645509U - Pressure regulating filter - Google Patents
Pressure regulating filter Download PDFInfo
- Publication number
- CN210645509U CN210645509U CN201921282852.9U CN201921282852U CN210645509U CN 210645509 U CN210645509 U CN 210645509U CN 201921282852 U CN201921282852 U CN 201921282852U CN 210645509 U CN210645509 U CN 210645509U
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- CN
- China
- Prior art keywords
- air inlet
- air
- outer housing
- drain valve
- connecting rod
- 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.)
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000003973 paint Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a pressure regulating filter, which comprises an outer housing, an air inlet connecting rod, a filtering component, a base and a pressure regulating valve, wherein one end of the base is connected with the outer housing, the other end of the base is connected with the pressure regulating valve, and an air outlet channel is arranged in the pressure regulating valve; the air inlet connecting rod penetrates through the outer housing and is inserted and sleeved in the base, the base is provided with a transverse air outlet and a longitudinal air inlet, and the transverse air outlet is communicated with the air inlet connecting rod and the inside of the outer housing; the filter assembly is arranged in the outer housing and consists of an air filter element, a sealing end cover and a protective shell, the sealing end cover is attached to the front end of the air filter element, and an air inlet gap communicated with the interior of the outer housing is formed between the inner peripheral surface of the protective shell and the outer peripheral surface of the air filter element; an air inlet chamber is formed on the inner peripheral surface of the air filter element and the outer peripheral surface of the air inlet connecting rod, the air inlet chamber is communicated with the longitudinal air inlet, and the longitudinal air inlet is communicated with the air outlet channel; the outer casing is provided with a drain valve. The advantages are that: the utility model discloses can effectively filter moisture in the air.
Description
Technical Field
The utility model belongs to the technical field of the last part of pneumatic tool, especially, relate to a pressure regulating filter.
Background
At present, compressed air is generally used as an important power source on a pneumatic spray gun, and paint is sprayed on some metal or nonmetal objects to serve as a protective layer by the power provided by the compressed air; in the use process, the air power is generally regulated by a pressure regulating valve, but the air contains some moisture which is easy to influence the paint spraying effect if not filtered; there is a need for improvement.
Disclosure of Invention
The utility model aims at providing a not enough to above-mentioned prior art exists, provide a pressure regulating filter, it has the characteristics that can effectively filter moisture in the air.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a pressure regulating filter comprises an outer cover shell, an air inlet connecting rod, a filtering assembly, a base and a pressure regulating valve, wherein the outer cover shell is of a hollow structure, one end of the base is connected with the outer cover shell, the other end of the base is connected with the pressure regulating valve, and an air outlet channel is arranged in the pressure regulating valve; the air inlet connecting rod penetrates through the interior of the outer housing, the air outlet end of the air inlet connecting rod is inserted in the base, the connecting position of the air inlet connecting rod and the outer housing is of a sealing structure, the base is provided with a transverse air outlet and a longitudinal air inlet, one end of the transverse air outlet is communicated with the air outlet end of the air inlet connecting rod, and the other end of the transverse air outlet is communicated with the interior of the outer housing; the filter assembly is arranged in the outer housing and consists of an air filter element, a sealing end cover and a protective shell, the sealing end cover is inserted and sleeved on the air inlet connecting rod and is attached to the front end of the air filter element, the end part of the protective shell is fixedly connected with the base, an air inlet gap is formed between the inner peripheral surface of the protective shell and the outer peripheral surface of the air filter element, and the air inlet gap is communicated with the inside of the outer housing; the rear end of the air filter element is attached to the inner end face of the protective shell, an air inlet chamber is formed on the inner circumferential surface of the air filter element and the outer circumferential surface of the air inlet connecting rod, the air inlet chamber is communicated with the longitudinal air inlet, and the longitudinal air inlet is communicated with the air outlet channel; the outer casing is provided with a drain valve.
The front end of the pressure regulating valve is provided with a pot cover nozzle, an exhaust channel is arranged in the pot cover nozzle, and the tail end of the exhaust channel is communicated with the air outlet channel.
The front end of the pot lid nozzle is connected with an adjusting nut, and a certain adjusting gap is formed between the adjusting nut and the front end of the pressure regulating valve.
The drain valve structurally comprises a drain valve seat, a drain valve rod, a return spring and a sealing ring, wherein a drain port is formed in the outer housing, the drain valve seat is arranged in the drain port, the drain valve rod is inserted and sleeved in the drain valve seat, the inner wall of the sealing ring is attached to the outer peripheral surface of the drain valve rod, and the outer peripheral surface of the sealing ring is attached to the inner wall of the outer housing; the return spring is inserted and sleeved on the peripheral surface of the drainage valve rod, one end of the return spring is abutted against the inner end face of the drainage valve seat, and the other end of the return spring is abutted against the clamping groove in the drainage valve rod.
The inside of base is equipped with the catch basin, the catch basin communicates with the inside of outer housing.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model discloses air filter element among the filtering component can filter the moisture in the air, and the air current after the filtration enters into behind the vertical air inlet again through air-vent valve regulated pressure from air outlet channel discharge, can prevent effectively like this that the moisture in the air from following the power source and entering into the operation of spraying paint, avoids the effect of spraying paint to receive the influence.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a schematic view of a partial planar structure of the present invention.
Detailed Description
The following description is only for the preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, the present invention will be further explained with reference to the drawings and the embodiments.
Examples, see fig. 1 and 2: a pressure regulating filter comprises an outer housing 10, an air inlet connecting rod 11, a filtering component, a base 12 and a pressure regulating valve 13, wherein the outer housing 10 is of a hollow structure and is composed of a sleeve 101 and a sealing cover 102, the sleeve 101 and the sealing cover 102 are detachably connected, the structure is convenient to mount and dismount, and an O-shaped sealing ring is arranged at the joint of the sleeve 101 and the sealing cover 102 to play a role in sealing. The pressure regulating valve 13 is provided with a pressure regulating knob 131 and a pressure display 132, the pressure regulating knob 131 can regulate the internal pressure, and the pressure display 132 can make the current use pressure known in use. One end of the base 12 is connected to the outer casing 10, and the joint is also sealed by an O-ring, and the other end of the base 12 is connected to the pressure regulating valve 13 for fixing. The air inlet connecting rod 11 penetrates through the interior of the sleeve 101, the air outlet end of the air inlet connecting rod is inserted in the base 12, the upper end of the air inlet connecting rod 11 is positioned on the sealing cover 102, and the joint of the air inlet connecting rod 11 and the sealing cover is sealed through a sealing ring; in the intake connecting rod 11 there is a vent hole which, after connection with an air compression device, is able to convey an air power source. The base 12 is provided with a transverse air outlet 20 and a longitudinal air inlet 21, one end of the transverse air outlet 20 is communicated with the air outlet end of the air inlet connecting rod 11, the other end of the transverse air outlet is communicated with the inside of the outer casing 10, and an air power source entering through the air inlet connecting rod 11 can enter the outer casing 10 through the transverse air outlet 20. The filter assembly is arranged in the outer housing 10 and is composed of an air filter element 30, a sealing end cover 31 and a protective shell 32, the sealing end cover 31 is inserted and sleeved on the air inlet connecting rod 11 and is attached to the front end of the air filter element 30, and the structure can prevent the air power source in the air filter element 30 from leaking from the connection position. The end of the protective casing 32 is fixedly connected with the base 12, and the inner circumferential surface of the protective casing and the outer circumferential surface of the air filter element 30 are provided with an air inlet gap 33, the air inlet gap 33 is communicated with the interior of the outer casing 10 and is of a trapezoidal structure with a wide upper part and a narrow lower part; the rear end of the air filter element 30 is attached to the inner end face of the protective shell 32, an air inlet chamber 34 is formed on the inner circumferential surface of the air filter element and the outer circumferential surface of the air inlet connecting rod 11, the air inlet chamber 34 is communicated with the longitudinal air inlet 21, an air outlet channel 14 is arranged in the pressure regulating valve 13, and the longitudinal air inlet 21 is communicated with the air outlet channel 14; in use, the air from the transverse air outlet 20 fills the housing shell 10 and is forced into the air filter element 30 through the air inlet gap 33, and after being filtered by the air filter element 30, the air enters the air inlet chamber 34, flows into the air outlet channel 14 through the longitudinal air inlet 21, and is finally discharged for use through the outlet thereof.
The outer casing 10 is provided with a drain valve having a drain port in which the drain valve seat 40 is provided, a drain valve stem 41, a return spring 42, and a packing 43, and the cover 102 is provided with the drain valve. The drain valve rod 41 is inserted and sleeved in the drain valve seat 40 and is provided with a clamping groove, the inner wall of the sealing ring 43 is attached to the outer peripheral surface of the drain valve rod 41, the outer peripheral surface of the sealing ring is attached to the inner wall of the sealing cover 102 in use, the sealing ring 43 is linked with the drain valve rod 41 in use, and the sealing ring 43 can play a sealing role when water is not drained. The return spring 42 is inserted and sleeved on the outer peripheral surface of the drain valve rod 41, one end of the return spring is abutted against the inner end surface of the drain valve seat 40, and the other end of the return spring is abutted against the clamping groove on the drain valve rod 41; when water drainage is needed, the drain valve rod 41 is pressed to move downwards, the sealing ring 43 is separated from the inner wall of the sealing cover 102 at the moment, and the internal accumulated water and gas flow out from the gap between the drain valve rod 41 and the drain valve seat 40; after the drainage is completed, the drainage valve rod 41 is released, the drainage valve rod 41 is restored under the action of the return spring 42, and the sealing ring 43 is attached to the inner wall of the sealing cover 102 again.
The front end of the pressure regulating valve 13 is provided with a pot cover nozzle 15, an exhaust channel is arranged in the pot cover nozzle 15, the tail end of the exhaust channel is communicated with the air outlet channel 14, and the air power source flowing into the air outlet channel 14 can be exhausted from the exhaust channel. The front end of the pot lid nozzle 15 is connected with an adjusting nut 16, and the adjusting nut 16 and the front end of the pressure regulating valve 13 have a certain adjusting gap, so that the components can be conveniently installed and adjusted.
The water storage tank 17 is arranged in the base 12, the water storage tank 17 is communicated with the interior of the outer housing 10, water filtered by the air filter element 30 can be left in the outer housing 10, and the water storage tank 17 can play a good water storage role and improve water storage capacity.
The pressure regulating valve 13 is widely used at present, and other structures and principles are the same as those in the prior art, and are not described in detail here.
Claims (5)
1. A pressure-regulating filter, characterized by: the air filter comprises an outer housing (10), an air inlet connecting rod (11), a filtering assembly, a base (12) and a pressure regulating valve (13), wherein the outer housing (10) is of a hollow structure, one end of the base (12) is connected with the outer housing (10), the other end of the base is connected with the pressure regulating valve (13), and an air outlet channel (14) is arranged in the pressure regulating valve (13); the air inlet connecting rod (11) penetrates through the inner part of the outer housing (10), the air outlet end of the air inlet connecting rod is inserted in the base (12), the connecting part of the air inlet connecting rod (11) and the outer housing (10) is of a sealing structure, the base (12) is provided with a transverse air outlet (20) and a longitudinal air inlet (21), one end of the transverse air outlet (20) is communicated with the air outlet end of the air inlet connecting rod (11), and the other end of the transverse air outlet is communicated with the inner part of the outer housing (10); the filter assembly is arranged in the outer housing (10) and consists of an air filter element (30), a sealing end cover (31) and a protective shell (32), the sealing end cover (31) is inserted and sleeved on the air inlet connecting rod (11) and is attached to the front end of the air filter element (30), the end part of the protective shell (32) is fixedly connected with the base (12), an air inlet gap (33) is formed between the inner peripheral surface of the protective shell and the outer peripheral surface of the air filter element (30), and the air inlet gap (33) is communicated with the inner part of the outer housing (10); the rear end of the air filter element (30) is attached to the inner end face of the protective shell (32), an air inlet chamber (34) is formed on the inner peripheral face of the air filter element and the outer peripheral face of the air inlet connecting rod (11), the air inlet chamber (34) is communicated with the longitudinal air inlet (21), and the longitudinal air inlet (21) is communicated with the air outlet channel (14); the outer casing (10) is provided with a drain valve.
2. The pressure-regulating filter of claim 1, wherein: the front end of the pressure regulating valve (13) is provided with a pot cover nozzle (15), an exhaust channel is arranged in the pot cover nozzle (15), and the tail end of the exhaust channel is communicated with the air outlet channel (14).
3. The pressure-regulated filter of claim 2, wherein: the front end of the pot cover nozzle (15) is connected with an adjusting nut (16), and a certain adjusting gap is formed between the adjusting nut (16) and the front end of the pressure regulating valve.
4. The pressure-regulating filter of claim 1, wherein: the drain valve is structurally characterized by comprising a drain valve seat (40), a drain valve rod (41), a return spring (42) and a sealing ring (43), wherein a drain port is formed in the outer housing (10), the drain valve seat (40) is arranged in the drain port, the drain valve rod (41) is inserted and sleeved in the drain valve seat (40), the inner wall of the sealing ring (43) is attached to the outer peripheral surface of the drain valve rod (41), and the outer peripheral surface of the sealing ring is attached to the inner wall of the outer housing (10); the return spring (42) is inserted and sleeved on the peripheral surface of the drain valve rod (41), one end of the return spring is abutted against the inner end face of the drain valve seat (40), and the other end of the return spring is abutted against the clamping groove in the drain valve rod (41).
5. The pressure-regulating filter of claim 1, wherein: the water storage tank (17) is arranged inside the base (12), and the water storage tank (17) is communicated with the inside of the outer casing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282852.9U CN210645509U (en) | 2019-08-08 | 2019-08-08 | Pressure regulating filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921282852.9U CN210645509U (en) | 2019-08-08 | 2019-08-08 | Pressure regulating filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210645509U true CN210645509U (en) | 2020-06-02 |
Family
ID=70833116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921282852.9U Active CN210645509U (en) | 2019-08-08 | 2019-08-08 | Pressure regulating filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210645509U (en) |
-
2019
- 2019-08-08 CN CN201921282852.9U patent/CN210645509U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211028 Address after: 317500 No. 336, Hangwen South Road, Zeguo Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Taizhou Yanrui Pneumatic Tool Co.,Ltd. Address before: 317500 No. 366, building 31, zone 2, Loushan village, Chengdong street, Wenling City, Taizhou City, Zhejiang Province Patentee before: Chen Daobin |
|
| TR01 | Transfer of patent right |