CN215533994U - Solid screen for dust separation module and dust separation module - Google Patents

Abstract

The utility model relates to a solid screen used for a dust separation module and the dust separation module, wherein a screen body of the solid screen is provided with a connecting port used for limiting the screen body on a sewage inlet pipe of the separation module, the screen body is provided with at least two filtering holes for fluid to pass through, the screen body is provided with a first surface and a second surface opposite to the first surface, and through the groove design of the first surface of the screen body, the solid particles can be carried under the condition that the connecting port of the screen body is limited on the sewage inlet pipe of the separation module, so that large-particle impurities can be intercepted by the solid screen after the fluid flows through the filtering holes; when needs clearance, invert the solid screen cloth, directly wash the second surface of screen cloth body, because the design of screen cloth body second surface convex part for rivers just are being guided flow to around the convex part in the very first time that erodees, and then ensure that the dust granule can not remain at the corner of recess, and it is very convenient to need not to practice the clearance repeatedly.

Description

Solid screen for dust separation module and dust separation module

Technical Field

The utility model belongs to the field of household washing and cleaning, and particularly relates to a solid screen for a dust separation module and the dust separation module.

Background

With the development of household cleaning technology, household cleaning equipment is diversified, and more cleaning equipment is introduced into thousands of households. Traditional dust catcher and sweeper have the design limitation, and its separation module can only separate out solid particle and dust from the negative pressure air current, and this just makes similar equipment only can use under dry environment, once in the wet environment, the water that the negative pressure air current carried can inevitably permeate to the motor department under the effect of negative pressure, once water enters into inside the motor through the gap of motor department casing, leads to the motor to lose efficacy very easily.

Obviously, the cleaner which can only absorb dust but can not absorb water cannot meet the use requirements of consumers, so that some enterprises develop cleaners which can be used in both dry and wet environments, and the dust collecting barrel part of the cleaner is improved to a certain extent, so that dry and wet garbage is well separated.

For example, chinese utility model patent with patent number CN201820710819.0 discloses a "dry and wet dual-purpose hand-held cleaner", its whirlwind water dust separator adopts the multiple-stage separation to filter, when each stage separation filters, the inspiratory water all can be beaten on the deep bead and flow down along with the wind, can not directly be inhaled the air intake of next stage, thereby have very good separation filter effect to water when the dust absorption, the improvement of aqueous vapor separation is carried out on the dirt cup similarly, though avoided the motor to receive the invasion of water to a certain extent, because the most designs of dirt cup of current cleaner on the host computer, need lift up the host computer, dust collecting bucket is whole when handheld, very hard, and receive the limitation in the space, only can allow the dust catcher to absorb a small amount of water, and be not suitable for the sewage circulation when washing ground.

Also, as the chinese patent application No. CN202010568160.1 (publication No. CN111820816A), a "dry and wet dual-purpose sewage tank assembly for a water machine" is disclosed, wherein a sewage inlet pipe is disposed at the bottom of the sewage tank, the filtering assembly is disposed inside the sewage tank and sleeved on the sewage inlet pipe, the tank cover assembly is mounted on the sewage tank, the float assembly is mounted on the lower end surface of the tank cover assembly and disposed in the sewage tank, and the filter hpa is mounted on the upper end surface of the tank cover assembly. This design of sewage case has realized the wet dual-purpose futilely of cleaner in principle, when using, advances the filter assembly on the pipe through cup jointing at sewage and puts, though can conveniently take out the solid refuse in the sewage box through filter assembly for operating personnel need not carry out manual separation at the solid-liquid rubbish in the sewage box alone. However, the solid particle separation is still disadvantageous, the filter assembly for realizing the solid particle separation comprises a plurality of parts, the disassembly is very inconvenient, and dirt and dust particles are very easy to clamp in the groove due to the fact that the filter assembly is provided with the groove, and the cleaning is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a solid screen for a dust separation module, which is quick to disassemble and easy to clean, in view of the current state of the prior art.

A second technical problem to be solved by the present invention is to provide a dust separation module having the above-mentioned solid screen, in view of the current state of the prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a solids screen for a dust separation module, the solids screen being located downstream of a separation module sewage inlet along a flow path of a fluid, comprising:

the screen body is provided with a connecting port for limiting the screen body on the sewage inlet pipe of the separation module, and the screen body is provided with at least two filtering holes for fluid to pass through;

the screen body is provided with a first surface and a second surface opposite to the first surface, the first surface is sunken towards the second surface to form a groove for receiving solid particles, and the second surface is at least partially raised along the direction far away from the first surface to form a convex part for guiding flow.

The recesses and projections may be formed differently and do not interfere with each other, but preferably the screen body comprises a plate body having a substantially V-shaped longitudinal cross-section, such that the recesses are formed in a first surface of the plate body and the projections are formed in a second surface of the plate body.

In order to ensure that the sundries in the groove can not fall off from the connecting port, the first surface of the plate body is provided with a mounting seat which extends towards the position far away from the second surface at the position near the middle part, and the opening at the middle part of the mounting seat forms the connecting port.

In order to ensure the connection of the whole screen body and the sewage inlet pipe, the inner edge of the connecting port is provided with an annular flange extending inwards, and the annular flange is abutted against the outer wall of the sewage inlet pipe in the state that the screen body is limited on the sewage inlet pipe of the separation module.

Because sewage enters the bore difference of pipe, in order to further ensure the fixed of screen cloth body, place the relative sewage of screen cloth body and advance the pipe and remove, preferably, the mount pad still has the edge the support bar of connector radial extension, the support bar falls in the planar vertical projection in connector place in the connector, and the screen cloth body is spacing under the state on the separation module sewage advances the pipe, and this support bar advances the end wall that the pipe corresponds with sewage and offsets.

In order to ensure that the large granule of sewage import department has certain route of dropping, preferably, the support bar passes through the linking arm to be connected on the mount pad, the extending direction of linking arm with mount pad extending direction is unanimous, and such linking arm design can make the screen cloth body advance the pipe in spacing and sewage when, and advance to leave certain interval between the mouth of pipe with sewage, ensures that the recess has sufficient storage space.

In order to avoid the sundry particles from falling off from the edge of the groove, preferably, the first surface of the plate body is at least provided with a protection plate extending in the same direction as the mounting seat on one of the two sides of the V-shape, and during actual production, the protection plate can be set on the side with the gentle loudness of the inclination angle according to the inclination angles of the two sides of the V-shape, and of course, both sides can be set.

In order to avoid that water directly slides along the convex part of the second surface without taking away dust particles in the groove of the first surface when the second surface is flushed, preferably, a first baffle plate is arranged on the periphery of the second surface of the plate body, a second annular baffle plate is arranged on the periphery of the second surface of the plate body adjacent to the connecting port, and a cleaning area for flushing the convex part by water flow is formed between the first baffle plate and the second baffle plate, so that the water flow flushing the convex part can be accumulated in the cleaning area at the first time and reversely flows out from the filtering hole under the action of gravity, and then flushing of all positions of the first surface is realized.

In order to further solve the second technical problem, the utility model adopts the following technical scheme: the dust separation module with the solid screen comprises a shell, wherein the shell is hollow, a cavity with an upward opening is formed in the shell, and an inlet is formed in the bottom wall of the cavity.

Preferably, the inlet is further provided with a sewage inlet pipe, and the sewage inlet pipe at least partially extends into the containing cavity.

Compared with the prior art, the utility model has the advantages that: in the solid screen for the dust separation module, through the groove design on the first surface of the screen body, solid particles can be received in a state that a connecting port of the screen body is limited on a sewage inlet pipe of the separation module, and large-particle impurities can be intercepted by the solid screen after fluid flows through the filtering holes; when needs clearance, invert the solid screen cloth, directly wash the second surface of screen cloth body, because the design of screen cloth body second surface convex part for rivers just are being guided flow to around the convex part in the very first time that erodees, and then ensure that the dust granule can not remain at the corner of recess, and it is very convenient to need not to practice the clearance repeatedly.

Drawings

FIG. 1 is a schematic view of the installation of a sewage inlet pipe of a solid screen and a separation module in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the exploded view of FIG. 1 at another angle;

FIG. 3 is a schematic diagram of the overall structure of a solid screen in an embodiment of the utility model;

FIG. 4 is a schematic view of the overall structure at another angle in FIG. 3;

fig. 5 is a cross-sectional view at another angle of 3.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 5, a preferred embodiment of the present invention. In the present embodiment, the solid screen for the dust separation module includes a screen body 10. The dust separation module is generally provided with a shell 102, taking a floor washing machine as an example, the dust separation module is generally arranged between a floor brush module and a fan, and because the floor washing machine has two use scenes of dry and wet, fluid (airflow and sewage flow) mixed with impurity particles needs to be separated, and because the fan serving as a negative pressure source is usually designed at a position close to the upper part when the floor washing machine works, the fluid flows from bottom to top in a whole dust collection flow channel, a cavity 103 with an upward opening is formed in the shell 102 in a hollow mode, an inlet 104 is formed in the bottom wall of the cavity 103, a sewage inlet pipe 100 is further arranged at the inlet 104, and the sewage inlet pipe 100 at least partially extends into the cavity 103. Under the entrainment of the fluid, the solid particles enter the separation chamber of the housing through the sewage inlet pipe 100 along with the air flow and the sewage flow. Since the solid screen is disposed in the flow path of the fluid and is located downstream of the sewage inlet pipe 100 of the separation module, the solid particles in the fluid directly fall on the solid screen at the moment when the solid particles enter the chamber of the housing 102 from the outlet end of the sewage inlet pipe 100, and the air flow and the sewage flow into the chamber of the housing through the filtering holes 12 of the screen body 10.

The screen body 10 in this embodiment has a connection port 11 for limiting the screen body 10 on the sewage inlet pipe 100 of the separation module, and the screen body 10 is provided with at least two filtering holes 12 for passing fluid.

Specifically, the screen body 10 has a first surface 1a and a second surface 1b opposite to the first surface 1a, the first surface 1a is recessed toward the second surface 1b to form a groove 13 for receiving solid particles, and the second surface 1b is at least partially raised in a direction away from the first surface 1a to form a protrusion 14 for guiding flow.

The screen body 10 in this embodiment includes a plate body 1, and the longitudinal section of the plate body 1 is substantially V-shaped, so that a groove 13 is formed on a first surface 1a of the plate body 1 and a protrusion 14 is formed on a second surface 1b of the plate body 1. Of course, the above-mentioned concave 13 and convex 14 can be formed in other forms, for example, when the plate body 1 is very thick, the first surface 1a of the plate body 1 is concave, and the second surface is convex to form the convex 14, which do not affect each other, but in order to achieve the functions of containing solid particles and facilitating the washing of the plate body 1 with minimum material consumption, the plate body 1 is preferably V-shaped in this embodiment, and of course, the inclination angles of the two sides forming the V-shape are not necessarily very strict, and the inclination angles of the two sides are slightly increased or decreased, so that the plate body 1 is substantially V-shaped.

In order to ensure that the solid screen can be mounted and retained on the sewage inlet pipe 100, the first surface 1a of the plate body 1 is provided with a mounting seat 2 extending towards the position far away from the second surface 1b at the position near the middle part, and a connecting port 11 is formed at the opening of the middle part of the mounting seat 2. Specifically, the inner edge of the connection port 11 has an annular rib 111 extending inward, and the annular rib 111 abuts against the outer wall of the sewage inlet pipe 100 in a state where the screen body 10 is positioned on the sewage inlet pipe 100 of the separation module. The mounting seat 2 further comprises a supporting strip 3 extending along the radial direction of the connecting port 11, the supporting strip 3 is dropped into the connecting port 11 in the vertical projection of the plane of the connecting port 11, and in the state that the screen body 10 is limited on the sewage inlet pipe 100 of the separation module, the supporting strip 3 is abutted against the corresponding end wall 101 of the sewage inlet pipe 100. The supporting bar 3 in this embodiment is connected to the mounting base 2 through a connecting arm 31, and the extending direction of the connecting arm 31 is consistent with the extending direction of the mounting base 2. In the first surface 1a of the plate body 1, a shielding plate 4 extending in the same direction as the mounting seat 2 is provided at least on one of both side edges of the V-shape.

In order to ensure that the flushing water is not wasted, the plate body 1 is provided with a first baffle 51 at the periphery of the second surface 1b, the second surface 1b of the plate body 1 is provided with a second baffle 52 in a ring shape at the periphery adjacent to the connecting port 11, and a cleaning section 50 for flushing the convex part 14 by the water flow is formed between the first baffle 51 and the second baffle 52.

In a use state, the screen body 10 is limited on the sewage inlet pipe 100 of the separation module, and the fluid entering the cavity of the shell from the sewage inlet pipe 100 realizes the separation of solid particles at the screen body 10; in a clean state, the screen body 10 is removed from the sewage inlet pipe 100 in the housing, so that the second surface 1b faces upward, and the convex part 14 of the second surface 1b is directly aligned with the lower part of the faucet, thereby realizing the washing.

Also, directional terms, such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like, may be used in the description and claims to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are determined based on the example orientations shown in the figures. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims (10)

1. A solids screen for a dust separation module, the solids screen being located downstream of a separation module effluent inlet pipe (100) along a flow path of a fluid, comprising:

the screen cloth comprises a screen cloth body (10) and a separation module, wherein the screen cloth body (10) is provided with a connecting port (11) for limiting the screen cloth body (10) on a sewage inlet pipe (100) of the separation module, and the screen cloth body (10) is provided with at least two filtering holes (12) for fluid to pass through;

the method is characterized in that:

the screen body (10) has a first surface (1a) and a second surface (1b) opposite to the first surface (1a), the first surface (1a) is concave towards the second surface (1b) to form a groove (13) for receiving solid particles, and the second surface (1b) is at least partially convex in a direction away from the first surface (1a) to form a convex part (14) for guiding flow.

2. The solids screen of claim 1, wherein: the screen body (10) comprises a plate body (1), and the longitudinal section of the plate body (1) is basically V-shaped, so that the groove (13) is formed on the first surface (1a) of the plate body (1), and the convex part (14) is formed on the second surface (1b) of the plate body (1).

3. The solids screen of claim 2, wherein: the first surface (1a) of the plate body (1) is provided with a mounting seat (2) which extends towards the position far away from the second surface (1b) at the position near the middle part, and the opening at the middle part of the mounting seat (2) forms the connecting port (11).

4. The solids screen of claim 3, wherein: the inner edge of the connecting port (11) is provided with an annular rib (111) extending inwards, and the annular rib (111) is abutted against the outer wall of the sewage inlet pipe (100) in the state that the screen body (10) is limited on the sewage inlet pipe (100) of the separation module.

5. The solids screen of claim 4, wherein: the mounting seat (2) is provided with a support bar (3) extending along the radial direction of the connecting port (11), the support bar (3) is located in the connecting port (11) in the vertical projection of the plane of the connecting port (11), the screen body (10) is limited in the state of the separation module sewage inlet pipe (100), and the support bar (3) is abutted against the end wall (101) corresponding to the sewage inlet pipe (100).

6. The solids screen of claim 5, wherein: support bar (3) are connected through linking arm (31) on mount pad (2), the extending direction of linking arm (31) with mount pad (2) extending direction is unanimous.

7. The solids screen of claim 6, wherein: in the first surface (1a) of the plate body (1), at least one of two side edges of the V shape is provided with a protection plate (4) which extends along the same direction as the mounting seat.

8. The solids screen of any one of claims 1-7, wherein: the plate body (1) is provided with a first baffle plate (51) at the periphery of the second surface (1b), the second surface (1b) of the plate body (1) is provided with a second baffle plate (52) which is annular at the periphery adjacent to the connecting port (11), and a cleaning interval (50) for supplying water flow to wash the convex part (14) is formed between the first baffle plate (51) and the second baffle plate (52).

9. A dust separation module using the solid screen of any one of claims 1 to 8, wherein: the device comprises a shell (102), wherein the shell (102) is hollow to form a cavity (103) with an upward opening, and an inlet (104) is formed in the bottom wall of the cavity (103).

10. The dust separation module of claim 9, wherein: the inlet (104) is also provided with a sewage inlet pipe (100), and the sewage inlet pipe (100) at least partially extends into the cavity (103).

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