CN220276556U - Manual drainage structures that air cleaner used - Google Patents

Abstract

The utility model discloses a manual drainage structure for an air filter, which comprises a drainage shell and a drainage movable core, wherein the drainage movable core is inserted into the drainage shell from the lower end of the drainage shell, a drainage channel is formed in the center of the lower end of the drainage movable core, the drainage channel does not penetrate to the upper end of the drainage movable core, a guide hole communicated with the drainage channel is formed in the upper part of the drainage movable core, a guide part is arranged at the lower part of the drainage movable core and is in sliding contact with the drainage shell, a spring is arranged between the guide part and the drainage shell, symmetrical limit fins are arranged in the circumferential direction of the guide part, guide holes are formed in the lower part of the drainage shell, the limit fins are positioned in the guide holes, the guide holes are of an inverted L-shaped structure, and clamping grooves are formed in the horizontal direction of the guide holes; the structure can be operated manually without tools, and the designed clamping groove can enable the structure to be in a drainage state all the time.

Description

Manual drainage structures that air cleaner used

Technical Field

The utility model relates to the technical field of air filter drainage, in particular to a manual drainage structure for an air filter.

Background

The air filter has the functions of separating liquid water and liquid oil drops in the compressed air, filtering dust and solid impurities in the air, discharging the separated water and oil drops through a drain valve at the bottom of the air filter, and manually taking down the lower movable plug when the water is required to be discharged through a conventional drain structure and operating through a tool; the movable plug needs to be taken down every time drainage, the operation is very troublesome, and the movable plug is easy to lose.

Chinese patent application No. 202120207453.7 discloses a multifunctional drainage mechanism of an air filter, under the action of air pressure in a water cup, a convex edge is abutted against a sealing ring, so that a drainage channel is kept closed; when needs drainage, operable drainage pole activity for the drainage pole promotes the valve rod, makes protruding edge keep away from the sealing washer, thereby opens the drainage passageway, and this seal structure relies on protruding edge completely to lean on the sealing washer, and when pressure is little, can appear sealed not tight condition, and the drainage pole is movable structure moreover, if loose hand, elasticity can promote the valve rod downwards, protruding edge can lean on the sealing washer, and the spacing ring can block partial water and enter into the drainage passageway moreover, and the drainage is not thorough, and above-mentioned structure can't satisfy the demand of manual drainage, so has proposed a manual drainage structure for air cleaner.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the manual drainage structure for the air filter, which can be operated manually without tools, and the designed clamping groove can enable the structure to be always in a drainage state, has a good sealing effect and thorough drainage, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a manual drainage structure that air filter used, includes drainage casing and drainage loose core, and drainage loose core inserts in the drainage casing from the lower extreme of drainage casing, and drainage passageway has been seted up at the lower extreme center of drainage loose core, and drainage passageway does not run through to the upper end of drainage loose core, and the upper portion of drainage loose core is provided with the water conservancy diversion hole with drainage passageway intercommunication, the lower part of drainage loose core is provided with the guiding part, guiding part and drainage casing sliding contact, is provided with the spring between guiding part and the drainage casing, and the circumferencial direction of guiding part is provided with symmetrical spacing wing, and the lower part of drainage casing is provided with the guiding hole, and spacing wing is located the guiding hole.

Further, the guide hole is arranged to be of an inverted L-shaped structure, and a clamping groove is formed in the horizontal direction of the guide hole.

Further, the diversion holes are arranged in a capsule shape, and the diversion holes are uniformly arranged along the circumferential direction of the drainage movable core.

Further, an upper sealing ring is arranged above the diversion hole and is arranged in an annular groove formed in the drainage movable core, a lower sealing ring is arranged below the diversion hole and is arranged in a sealing groove in the inner wall of the drainage shell.

Further, an outer convex ring is arranged above the annular groove, a baffle ring is arranged on the outer convex ring, and an elastic retainer ring is arranged on the baffle ring.

Further, the upper portion circumferencial direction of drainage casing is provided with the screw thread, and the drainage casing passes through the screw thread to be connected with air cleaner bottom, and the middle part of drainage casing is provided with spacing portion, and this spacing portion includes the spacing dish, and the upper surface of spacing dish is provided with outer sealing washer, and the below of spacing dish is provided with the spanner portion, is provided with the through-hole on the lateral surface of this spanner portion.

Compared with the prior art, the utility model has the beneficial effects that:

1. the structure can be operated manually without tools, and the designed clamping groove can enable the structure to be in a drainage state all the time.

2. Realize sealing through last sealing washer and drainage shells inner wall cooperation, prevent that water from entering into the water conservancy diversion hole, in this drainage structure department drainage state, seal through lower sealing washer and drainage loose core outer wall cooperation, prevent that water from entering into in the drainage shells, this upper and lower seal structure safe and reliable has guaranteed sealed effect.

3. The diversion hole is arranged on the side surface of the drainage movable core, after the drainage movable core ascends, the diversion hole leaks to the upper surface of the drainage shell, namely, the diversion hole is communicated with the bottom of the air filter, so that water cannot be remained at the bottom of the air filter, and the drainage is more thorough.

Drawings

FIG. 1 is a schematic view of a non-drainage state structure of the present utility model;

FIG. 2 is a schematic view of a drainage structure according to the present utility model;

FIG. 3 is an isometric view of the present utility model;

FIG. 4 is an isometric view of a drain housing of the present utility model;

FIG. 5 is a schematic view of a drain cock according to the present utility model.

In the figure: the water draining device comprises a limiting fin 1, a guiding hole 2, a spring 3, a baffle ring 4, a circlip 5, an upper sealing ring 6, a lower sealing ring 7, an outer sealing ring 8, a thread 9, a limiting part 10, a draining movable core 11, a guiding hole 12, a draining shell 13, a draining channel 14, a male ring 15, a clamping groove 16, a limiting disc 17, a through hole 18, a spanner part 19, a guiding part 20, an annular groove 21 and a sealing groove 22.

Description of the embodiments

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a manual drainage structure that air filter used, including drainage casing 13 and drainage loose core 11, drainage loose core 11 inserts to drainage casing 13 in the lower extreme center of drainage loose core 11, drainage channel 14 has been seted up to drainage casing 13 in the lower extreme center of drainage loose core 11, drainage channel 14 does not run through to drainage loose core 11's upper end, drainage loose core 11's upper portion is provided with the water conservancy diversion hole 12 with drainage channel 14 intercommunication, water conservancy diversion hole 12 sets up to the capsule shape, water conservancy diversion hole 12 evenly sets up along drainage loose core 11's circumferencial direction, water conservancy diversion hole 12 is in drainage loose core 11's side, after drainage loose core 11 rises, water conservancy diversion hole 12 and air filter's bottom intercommunication, air filter's bottom just can not remain water, the drainage is more thoroughly, drainage loose core 11's lower part is provided with guiding part 20, guiding part 20 and drainage casing 13 sliding contact, be provided with spring 3 between guiding part 20 and the drainage casing 13, guiding part 20's circumferencial direction is provided with symmetrical spacing 1, casing 13's lower part is provided with guiding hole 2, spacing 1 is located guiding hole 2, the guiding hole 16 is left and right through the guiding hole 1, the direction is left and right through the guiding hole 16, it is left in the channel 16 to the direction of rotation, make the drainage channel 16 is in the drainage state, and is in order to rotate the drainage channel 16, and is in the state, and is in order to make the drainage channel 16.

The top of water conservancy diversion hole 12 is provided with upper seal circle 6, upper seal circle 6 sets up in the ring channel 21 of seting up on drainage loose core 11, the below of water conservancy diversion hole 12 is provided with down sealing washer 7, down sealing washer 7 sets up in the seal groove 22 of drainage casing 13 inner wall, in this drainage structure department non-drainage state, realize sealedly through upper seal circle 6 and drainage casing 13 inner wall cooperation, prevent that water from entering into in the water conservancy diversion hole 12, when this drainage structure department drainage state, seal through lower sealing washer 7 and drainage loose core 11 outer wall cooperation, prevent that water from entering into in the drainage casing 13, this upper and lower seal structure safe and reliable has guaranteed sealed effect.

The ring channel 21 top is provided with outer bulge loop 15, is provided with on the outer bulge loop 15 and keeps off the ring 4, is provided with circlip 5 on the ring 4, limits the ring 4 through circlip 5 card in the upper end of drainage loose core 11, keeps off the ring 4 and contradicts with the upper end of drainage casing 13, prevents that drainage loose core 11 from breaking away from drainage casing 13, and this structure is detachable split structure, equipment is convenient.

The upper portion circumferencial direction of drain casing 13 is provided with screw thread 9, drain casing 13 passes through screw thread 9 to be connected with the air cleaner bottom, the middle part of drain casing 13 is provided with spacing portion 10, this spacing portion 10 includes spacing dish 17, the upper surface of spacing dish 17 is provided with outer sealing washer 8, the below of spacing dish 17 is provided with spanner portion 19, be provided with through-hole 18 on the lateral surface of this spanner portion 19, when the installation, can adopt the spanner to apply the rotation force to spanner portion 19, drive drain casing 13 and rotate, and then realized the connection of screw thread, when lacking the spanner, can adopt the guide pillar to pass through-hole 18, apply the rotation force to spanner portion 19 from the side, can realize the installation simultaneously.

When in use: when the water is manually drained, the drain movable core 11 is pushed upwards, the diversion hole 12 leaks to the upper surface of the drain shell 13, the two limit wings 1 of the drain movable core 11 can be clamped into the clamping grooves 16 by rotating clockwise, water flows into the drain channels 14 from the diversion hole 12, is discharged from the lower end of the drain movable core 11, after the discharge is completed, the drain movable core 11 is pushed upwards slightly, then the drain movable core 11 is turned anticlockwise, and is released, and the drain movable core 11 is closed by the elasticity of the spring 3.

While the basic principles of the utility model have been shown and described, there are various changes and modifications to the utility model, which fall within the scope of the utility model as hereinafter claimed, without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a manual drainage structure that air cleaner used, includes drainage casing (13) and drainage loose core (11), its characterized in that: drainage loose core (11) insert in drainage casing (13) from the lower extreme of drainage casing (13), drainage passageway (14) have been seted up at the lower extreme center of drainage loose core (11), and drainage passageway (14) do not run through to the upper end of drainage loose core (11), and the upper portion of drainage loose core (11) is provided with guide hole (12) with drainage passageway (14) intercommunication, the lower part of drainage loose core (11) is provided with guiding part (20), guiding part (20) and drainage casing (13) sliding contact, is provided with spring (3) between guiding part (20) and drainage casing (13), and the circumferencial direction of guiding part (20) is provided with spacing wing (1) of symmetry, and the lower part of drainage casing (13) is provided with guiding hole (2), and spacing wing (1) are arranged in guiding hole (2).

2. A manual drain for an air filter according to claim 1, wherein: the guide hole (2) is of an inverted L-shaped structure, and a clamping groove (16) is formed in the horizontal direction of the guide hole (2).

3. A manual drain for an air filter according to claim 1, wherein: the diversion holes (12) are arranged in a capsule shape, and the diversion holes (12) are uniformly arranged along the circumferential direction of the drainage movable core (11).

4. A manual drain for an air filter according to claim 1, wherein: an upper sealing ring (6) is arranged above the diversion hole (12), the upper sealing ring (6) is arranged in an annular groove (21) formed in the drainage movable core (11), a lower sealing ring (7) is arranged below the diversion hole (12), and the lower sealing ring (7) is arranged in a sealing groove (22) in the inner wall of the drainage shell (13).

5. The manual drain for an air filter according to claim 4, wherein: an outer convex ring (15) is arranged above the annular groove (21), a baffle ring (4) is arranged on the outer convex ring (15), and an elastic retainer ring (5) is arranged on the baffle ring (4).

6. A manual drain for an air filter according to claim 1, wherein: the upper portion circumferencial direction of drainage casing (13) is provided with screw thread (9), and drainage casing (13) are connected with the air cleaner bottom through screw thread (9), and the middle part of drainage casing (13) is provided with spacing portion (10), and this spacing portion (10) are including spacing dish (17), and the upper surface of spacing dish (17) is provided with outer sealing washer (8), and the below of spacing dish (17) is provided with spanner portion (19), is provided with through-hole (18) on the lateral surface of this spanner portion (19).