CN214809389U - Multifunctional drainage mechanism of air filter - Google Patents
Multifunctional drainage mechanism of air filter Download PDFInfo
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- CN214809389U CN214809389U CN202120207453.7U CN202120207453U CN214809389U CN 214809389 U CN214809389 U CN 214809389U CN 202120207453 U CN202120207453 U CN 202120207453U CN 214809389 U CN214809389 U CN 214809389U
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- drainage
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- ring
- drainage channel
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Abstract
The utility model discloses a multifunctional drainage mechanism of an air filter, which comprises a water cup, wherein a drainage seat is fixed at the lower end of the water cup, a drainage channel communicated with the inner cavity of the water cup and the outside is penetrated in the drainage seat, a valve rod is slidably arranged at the upper end of the drainage channel, a convex ring is arranged at the middle part of the drainage channel, and a drainage rod is movably arranged at the lower end of the drainage channel; a convex edge is arranged at the upper end of the valve rod and matched with the convex ring stop, a sealing ring is arranged between the convex edge and the convex ring, a spring is arranged between the valve rod and the drainage seat and drives the valve rod to be far away from the drainage rod, and the lower end of the valve rod penetrates through the convex ring and is arranged corresponding to the drainage rod; the lower end of the valve rod is in clearance fit with the convex ring, the convex edge is in clearance fit with the drainage channel, and a drainage hole communicated with the drainage channel penetrates through the drainage rod. The utility model discloses have zero formula drainage and two kinds of functions of manual formula drainage concurrently, and possess simple structure, convenient operation and application scope wide advantage.
Description
Technical Field
The utility model relates to an air cleaner technical field, in particular to air cleaner's multi-functional drainage mechanism.
Background
An air filter is an air source processing element for filtering and discharging moisture in compressed air, and is widely applied to pneumatic systems. The air filter mainly comprises a filter body, a filter element, a water cup and a drainage mechanism, compressed air enters the filter body and is discharged to a pneumatic system after being filtered by the filter element, moisture filtered by the filter element is collected in the water cup, and water in the water cup is finally discharged from the drainage mechanism. The drainage mechanism of the current common air filter comprises zero-pressure drainage and manual drainage, wherein the manual drainage needs manual operation, the automation degree is low, and the water level needs to be checked regularly; the zero-pressure drainage has the working principle that when no air pressure or extremely low air pressure exists in the water cup, the spring jacks the valve core to drain water, but air supply must be stopped during drainage, and the zero-pressure drainage can only be used in certain places with frequent air supply stoppage, so that the application range is small.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide an air cleaner's multi-functional drainage mechanism, have zero formula drainage and two kinds of functions of manual formula drainage concurrently, and possess simple structure, convenient operation and application scope wide advantage.
The utility model provides a technical scheme that its technical problem adopted is: a multifunctional drainage mechanism of an air filter comprises a water cup, wherein a drainage seat is fixed at the lower end of the water cup, a drainage channel communicated with the inner cavity of the water cup and the outside penetrates through the drainage seat, a valve rod is slidably arranged at the upper end of the drainage channel, a convex ring is arranged in the middle of the drainage channel, and a drainage rod is movably arranged at the lower end of the drainage channel;
a convex edge is arranged at the upper end of the valve rod and matched with the convex ring stop, a sealing ring is arranged between the convex edge and the convex ring, a spring is arranged between the valve rod and the drainage seat and drives the valve rod to be far away from the drainage rod, and the lower end of the valve rod penetrates through the convex ring and is arranged corresponding to the drainage rod;
the lower end of the valve rod is in clearance fit with the convex ring, the convex edge is in clearance fit with the drainage channel, and a drainage hole communicated with the drainage channel penetrates through the drainage rod.
Furthermore, a limiting ring is convexly arranged at the upper end of the water drainage seat, the limiting ring is matched with the inner wall stop of the water cup, a nut is arranged on the water drainage seat, and the nut is matched with the outer wall stop of the water cup; the drainage seat and the water cup are firmly connected.
Furthermore, an O-shaped ring is pressed between the limiting ring and the inner wall of the water cup; the sealing performance of the water cup is improved.
Furthermore, a hole snap spring is arranged at the upper end of the drainage channel and is arranged at the upper end of the valve rod and matched with the valve rod in a stop way; the valve rod is limited in the drainage channel, and the valve rod is prevented from popping out of the drainage channel under the elastic force of the spring.
Furthermore, an installation step is arranged in the convex ring, one end of the spring is abutted against the installation step, and the other end of the spring is sleeved at the lower end of the valve rod; the spring is firmly connected, and the stress of the valve rod is balanced.
Further, the drainage rod is in threaded connection with the drainage channel pipe; the installation is convenient, and the manufacture is simple.
Furthermore, a limiting block corresponding to the valve rod is arranged in the drainage rod; the drain rod is convenient to operate to push the valve rod.
Further, an operating ring is convexly arranged at the lower end of the drainage rod; the operation of the drain bar is facilitated.
The utility model has the advantages that: when the water draining device is used, the convex edge is acted by air pressure in the water cup to overcome the elasticity of the spring, so that the convex edge is abutted against the sealing ring, and the water draining channel is kept closed; when drainage is needed, the drainage rod can be operated to move, so that the drainage rod pushes the valve rod, the convex edge is far away from the sealing ring, the drainage channel is opened, water is drained through the drainage channel and the drainage hole, or when no air pressure or extremely low air pressure exists in the water cup, the spring can automatically make the valve rod far away from the drainage rod under the elastic force, and the convex edge is also far away from the sealing ring, so that the drainage channel is opened, the water is drained, and therefore the zero-type drainage function and the manual drainage function are ingeniously combined, the operation is more convenient, and the application range is expanded; generally speaking, the utility model discloses simple structure, convenient operation, leakproofness height, simple to operate and application scope wide advantage have been possessed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the present invention in an operating state.
Shown in the figure: 1-a water cup; 2-a drainage seat; 21-a drainage channel; 22-a convex ring; 221-mounting steps; 23-a spacing ring; 3-a valve stem; 31-convex edge; 4-a drainage rod; 41-a drain hole; 42-a limiting block; 43-operating ring; 5-sealing ring; 6-a spring; 7-a nut; 8-O-shaped rings; 9-circlip for hole.
Detailed Description
For a more intuitive and complete understanding of the technical solution of the present invention, the following non-limiting characteristic description is now performed by combining the drawings of the present invention:
as shown in fig. 1 and 2, a multifunctional drainage mechanism of an air filter comprises a water cup 1, a drainage base 2 is fixed at the lower end of the water cup 1, a drainage channel 21 communicating the inner cavity of the water cup 1 with the outside is arranged in the drainage base 2 in a penetrating manner, a valve rod 3 is slidably arranged at the upper end of the drainage channel 21, a convex ring 22 is arranged in the middle of the drainage channel 21, and a drainage rod 4 is movably arranged at the lower end of the drainage channel 21; the upper end of the valve rod 3 is provided with a convex edge 31, the convex edge 31 is matched with the convex ring 22 in a stop way, a sealing ring 5 is arranged between the convex edge 31 and the convex ring 22, a spring 6 is arranged between the valve rod 3 and the drainage seat 2, the spring 6 drives the valve rod 3 to be far away from the drainage rod 4, and the lower end of the valve rod 3 penetrates through the convex ring 22 and is arranged corresponding to the drainage rod 4; the lower end of the valve rod 3 is in clearance fit with the convex ring 22, the convex edge 31 is in clearance fit with the drainage channel 21, and a drainage hole 41 communicated with the drainage channel 21 penetrates through the drainage rod 4.
A limiting ring 23 is convexly arranged at the upper end of the water drainage seat 2, the limiting ring 23 is matched with the inner wall stop of the water cup 1, a nut 7 is arranged on the water drainage seat 2, and the nut 7 is matched with the outer wall stop of the water cup 1; an O-shaped ring 8 is pressed between the limiting ring 23 and the inner wall of the water cup 1.
The upper end of the drainage channel 21 is also provided with a hole snap spring 9, and the hole snap spring 9 is arranged at the upper end of the valve rod 3 and matched with the valve rod in a stop way.
An installation step 221 is arranged in the convex ring 22, one end of the spring 6 is abutted against the installation step 221, and the other end of the spring 6 is sleeved at the lower end of the valve rod 3; preferably, the spring 6 is a pagoda-type spring.
The drainage rod 4 is in threaded connection with the drainage channel 21, a limiting block 42 corresponding to the valve rod 3 is arranged in the drainage rod 4, and an operating ring 43 is arranged at the lower end of the drainage rod 4 in a protruding mode.
Preferably, the lower end of the valve rod 3 is hemispherical, the limiting block 42 is supported in the middle of the drain hole 41 through a rib, and the limiting block 42 and the valve rod 3 are coaxially arranged.
The utility model discloses a concrete theory of operation: under normal conditions, the valve rod 3 is far away from the drainage rod 4 under the action of the elastic force of the spring 6, the drainage channel 21 is kept smooth, when the air filter works, air pressure enters the water cup 1, the convex edge 31 is acted by the air pressure in the water cup 1, the elastic force of the spring 6 is overcome, the convex edge 31 is abutted against the sealing ring 5, and the drainage channel 21 is closed;
when water needs to be drained, the operating ring 43 can be manually operated, so that the drainage rod 4 moves upwards relative to the drainage seat 2, the limiting block 42 is close to the lower end of the valve rod 3 and pushes the valve rod 3, the convex edge 31 is far away from the sealing ring 5, the drainage channel 21 is opened, water is drained through the drainage channel 21 and the drainage hole 41, and manual drainage is realized; or when no air pressure or extremely low air pressure exists in the water cup 1, the valve rod 3 is far away from the drainage rod 4 again under the elastic force of the spring 6, so that the convex edge 31 is far away from the sealing ring 5, the drainage channel 21 is automatically opened, water is automatically drained, and zero-type drainage is realized.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (8)
1. The utility model provides an air cleaner's multi-functional drainage mechanism, includes drinking cup (1), its characterized in that: a drainage seat (2) is fixed at the lower end of the water cup (1), a drainage channel (21) for communicating the inner cavity of the water cup (1) with the outside penetrates through the drainage seat (2), a valve rod (3) is slidably arranged at the upper end of the drainage channel (21), a convex ring (22) is arranged in the middle of the drainage channel (21), and a drainage rod (4) is movably arranged at the lower end of the drainage channel (21);
a convex edge (31) is arranged at the upper end of the valve rod (3), the convex edge (31) is matched with the convex ring (22) in a stop way, a sealing ring (5) is arranged between the convex edge (31) and the convex ring (22), a spring (6) is arranged between the valve rod (3) and the drainage seat (2), the spring (6) drives the valve rod (3) to be far away from the drainage rod (4), and the lower end of the valve rod (3) penetrates through the convex ring (22) and is arranged corresponding to the drainage rod (4);
the lower end of the valve rod (3) is in clearance fit with the convex ring (22), the convex edge (31) is in clearance fit with the drainage channel (21), and a drainage hole (41) communicated with the drainage channel (21) penetrates through the drainage rod (4).
2. The multifunctional drain mechanism of an air filter according to claim 1, wherein: the water draining seat is characterized in that a limiting ring (23) is convexly arranged at the upper end of the water draining seat (2), the limiting ring (23) is matched with the stop of the inner wall of the water cup (1), a nut (7) is arranged on the water draining seat (2), and the nut (7) is matched with the stop of the outer wall of the water cup (1).
3. The multifunctional drain mechanism of an air filter according to claim 2, wherein: an O-shaped ring (8) is pressed between the limiting ring (23) and the inner wall of the water cup (1).
4. The multifunctional drain mechanism of an air filter according to claim 1, wherein: the upper end of the drainage channel (21) is further provided with a hole snap spring (9), and the hole snap spring (9) is arranged at the upper end of the valve rod (3) and matched with the valve rod in a stop way.
5. The multifunctional drain mechanism of an air filter according to claim 1, wherein: the improved valve is characterized in that an installation step (221) is arranged in the convex ring (22), one end of the spring (6) is abutted to the installation step (221), and the other end of the spring (6) is sleeved at the lower end of the valve rod (3).
6. The multifunctional drain mechanism of an air filter according to claim 1, wherein: the drainage rod (4) is in threaded connection with the drainage channel (21).
7. The multifunctional drain mechanism of an air filter according to claim 6, wherein: and a limiting block (42) corresponding to the valve rod (3) is arranged in the drainage rod (4).
8. The multifunctional drain mechanism of an air filter according to claim 7, wherein: an operating ring (43) is convexly arranged at the lower end of the drainage rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120207453.7U CN214809389U (en) | 2021-01-26 | 2021-01-26 | Multifunctional drainage mechanism of air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120207453.7U CN214809389U (en) | 2021-01-26 | 2021-01-26 | Multifunctional drainage mechanism of air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214809389U true CN214809389U (en) | 2021-11-23 |
Family
ID=78881675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120207453.7U Active CN214809389U (en) | 2021-01-26 | 2021-01-26 | Multifunctional drainage mechanism of air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214809389U (en) |
-
2021
- 2021-01-26 CN CN202120207453.7U patent/CN214809389U/en active Active
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