CN219744079U

CN219744079U - Filter before pump

Info

Publication number: CN219744079U
Application number: CN202320804048.2U
Authority: CN
Inventors: 赵耀明
Original assignee: Hebei Xingtai Frp Co ltd
Current assignee: Hebei Xingtai Frp Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-09-26
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a pre-pump filter, which comprises a sealed body, wherein a working bin is formed in the body, a filter element is arranged in the working bin, a filter area is formed in the filter element, an annular boss matched with the filter element is arranged in the working bin, and the working bin is separated into an annular liquid outlet area positioned outside the filter area and a slag discharge area positioned right below the filter area by utilizing the matching of the annular boss and the filter element; the slag discharging area is connected with the filtering area; the connection part of the filtering area and the slag discharging area is provided with an elastic valve plate, and when the internal pressure of the filtering area is too large, the filtering area is propped up. The utility model relates to a pre-pump filter which has a self-deslagging function, and realizes the self-cleaning of filter residues by designing an annular liquid outlet area and a deslagging area and matching with an elastic valve plate. The pre-pump filter has the advantages of effectively improving the running reliability of the water pump, prolonging the service life of the pump, reducing maintenance cost and improving the working efficiency of the system.

Description

Filter before pump

Technical Field

The utility model relates to a water pump accessory, in particular to a pre-pump filter which has an automatic deslagging function and can better ensure the liquid supply stability of a pump body.

Background

In liquid delivery systems, pre-pump filters are a common device for filtering liquids to remove impurities and particulates therefrom. In many applications, the function of the pre-pump filter is important because it can extend the service life of the pump, reduce maintenance costs, and improve the operating efficiency of the system.

The existing pre-pump filter is simpler in structure and function, has a technical problem, and specifically, the existing pre-pump filter is used for a period of time, and because particulate matters accumulate, filter holes can be blocked, so that the pump is difficult to advance, the water inflow is reduced, and when serious, the phenomenon that water cannot flow is caused, and at the moment, the pump is stopped to replace the filter or clean the filter. In some cases, the pump is hidden in position and is not easy to operate, so that the filter before the pump has the self-deslagging function, and the operation reliability of the water pump can be effectively improved just.

Disclosure of Invention

(one) technical purpose

The utility model aims to overcome the defects of the prior art and provides a pre-pump filter with a self-deslagging function.

(II) technical content

8. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the filter before the pump comprises a sealed body, a working bin is formed in the body, a filter piece is arranged in the working bin, a filter area is formed in the filter piece, an annular boss matched with the filter piece is arranged in the working bin, and the working bin is separated into an annular liquid outlet area positioned outside the filter area and a slag discharging area positioned right below the filter area by utilizing the matching of the annular boss and the filter piece; the slag discharging area is connected with the filtering area; an elastic valve plate is arranged at the joint of the filtering area and the deslagging area, when the internal pressure of the filtering area is too high, the elastic valve plate is jacked up to enable the filtering area to be communicated with the deslagging area, filter residues in the filtering area are discharged, and the self-cleaning of the filter residues is realized; one end of the elastic valve plate, which is far away from the slag discharge port, is hinged on the annular boss; the elastic valve plate is provided with an elastic piece which is in contact fit with the bottom surface of the slag discharging area on one surface far away from the filtering area; when the internal pressure of the elastic valve plate in the filtering area is increased to a threshold value, the elastic piece deforms to enable the elastic valve plate to downwards turn around the hinge shaft, the filtering area is communicated with the deslagging area, deslagging is achieved, in order to achieve connection tightness after the elastic valve plate is matched with the annular boss, sealing rubber strips are wrapped on the outer edges of the elastic valve plate, and tight sealing fit is achieved by means of the contact of the rubber strips and the annular boss; a liquid outlet communicated with the liquid outlet area is arranged on one side of the body, filtered liquid is discharged from the liquid outlet, a liquid inlet connected with the filtering area is also arranged on the body, and unfiltered liquid enters from the liquid inlet; the body is also provided with an openable slag outlet connected with the slag discharging area, and the openable slag outlet is utilized to realize automatic slag discharging, so that the possibility of blockage in the filter is reduced.

In some embodiments, the body comprises the fixed part of taking the open-ended and be used for sealed open-ended upper cover, and the upper cover is used for sealing the opening of body, and is equipped with the draw-in groove that is used for carrying out fixed with the filter cooperation to the filter on the upper cover, and this draw-in groove is annular for the solid filter of card, realizes the fixed to filter horizontal direction. Because the body is provided with the upper cover, the upper cover and the body are connected and matched through meshed threads, and when needed, the upper cover is also provided with a sealing strip matched with the body to realize connection and sealing.

In some embodiments, the filter comprises the filter tube of taking the filtration pore and the mount pad that sets up at the filter tube both ends, and two mount pads are used for realizing the enhancement to the filter tube structure to realize the installation location of filter, wherein, the mount pad on upper portion cooperates with the draw-in groove that sets up on the upper cover, realizes the fixed of horizontal direction, and the mount pad of lower part cooperates with the annular boss that is located on the fixed part internal wall, realizes axial fixity, annular boss cooperates with the filter element and realizes the space separation to the work bin.

In some embodiments, a sealing cover is arranged on the slag hole, the sealing cover realizes resealing of the slag hole, the sealing cover is used for performing secondary sealing on the slag hole in certain areas which cannot be randomly drained, the slag hole is provided with a functional person which is opened and closed, the sealing cover can better ensure the sealing of the slag hole, and when slag is needed to be discharged, the sealing cover is removed and connected with a pipeline for continuous slag discharge, so that slag discharge is realized.

(III) beneficial effects

The utility model relates to a pre-pump filter which has a self-deslagging function, and realizes the self-cleaning of filter residues by designing an annular liquid outlet area and a deslagging area and matching with an elastic valve plate. The pre-pump filter has the advantages of effectively improving the running reliability of the water pump, prolonging the service life of the pump, reducing maintenance cost and improving the working efficiency of the system.

Drawings

Various aspects of the present disclosure will be better understood upon reading the following detailed description in conjunction with the drawings, the location, dimensions, and ranges of individual structures shown in the drawings, etc., are sometimes not indicative of actual locations, dimensions, ranges, etc. In the drawings:

fig. 1 is a schematic diagram of an embodiment.

FIG. 2 is a schematic diagram of the internal structure of an embodiment after particulate matter accumulation.

FIG. 3 is a schematic diagram of an embodiment in deslagging.

Detailed Description

The present disclosure will be described below with reference to the accompanying drawings, which illustrate several embodiments of the present disclosure. It should be understood, however, that the present disclosure may be presented in many different ways and is not limited to the embodiments described below; indeed, the embodiments described below are intended to more fully convey the disclosure to those skilled in the art and to fully convey the scope of the disclosure. It should also be understood that the embodiments disclosed herein can be combined in various ways to provide yet additional embodiments.

It should be understood that throughout the drawings, like reference numerals refer to like elements. In the drawings, the size of certain features may be modified for clarity.

It should be understood that the terminology used in the description is for the purpose of describing particular embodiments only, and is not intended to be limiting of the disclosure. All terms (including technical and scientific terms) used in the specification have the meanings commonly understood by one of ordinary skill in the art unless otherwise defined.

As used in this specification, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. The use of the terms "comprising," "including," and "containing" in the specification mean that the recited features are present, but that one or more other features are not excluded. The use of the phrase "and/or" in the specification includes any and all combinations of one or more of the associated listed items. The words "between X and Y" and "between about X and Y" used in this specification should be interpreted to include X and Y. The phrase "between about X and Y" as used herein means "between about X and about Y", and the phrase "from about X to Y" as used herein means "from about X to about Y".

In the description, an element is referred to as being "on," "attached" to, "connected" to, "coupled" to, "contacting" or the like another element, and the element may be directly on, attached to, connected to, coupled to or contacting the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly on," "directly attached to," directly connected to, "directly coupled to," or "directly contacting" another element, there are no intervening elements present. In the specification, one feature is arranged "adjacent" to another feature, which may mean that one feature has a portion overlapping with the adjacent feature or a portion located above or below the adjacent feature. In the specification, spatial relationship words such as "upper", "lower", "left", "right", "front", "rear", "high", "low", and the like may describe the relationship of one feature to another feature in the drawings. It will be understood that the spatial relationship words comprise, in addition to the orientations shown in the figures, different orientations of the device in use or operation. For example, when the device in the figures is inverted, features that were originally described as "below" other features may be described as "above" the other features. The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the relative spatial relationship will be explained accordingly. Examples:

as shown in fig. 1, the pump pre-filter, the body 1 is made up of upper opening, cylindrical body with sealed bottom and hollow fixed part 2 and upper cover 3 sealed on the opening of fixed part 2, fixed part 2 is glass steel product, upper cover 3 is glass steel product too, upper cover 3 and fixed part 2 are engaged with each other through the screw thread of intermeshing to realize the cooperation, upper cover 3 can screw and fix in fixed part 2 opening part, realize the seal to this opening, in order to make the above-mentioned seal more reliable, stable, be equipped with the joint strip 9 with fixed part 2 contact fit on upper cover 3, the above-mentioned sealing strip 4 can fill the fit clearance between them well, utilize the cooperation of fixed part 2 and upper cover 3, make the fixed part 1 in form a working bin, this working bin mainly realizes filtering and slag discharging and satisfies the installation needs of other parts.

In this embodiment, as shown in fig. 1, a filter element 4 is disposed in a working bin, the filter element 4 is a core element for realizing filtering before a pump, structurally, it is composed of a filter tube 5 formed by winding a perforated metal plate and two mounting seats 6 mounted at the upper and lower ends of the filter tube 5, the two mounting seats 6 still play a role in this, the first role is to realize radial reinforcement of the filter tube 5, and provide radial structural stability thereof, since the filter tube is subjected to water pressure and particulate matters such as sediment in water are required to be blocked in the filtering process, the above particulate matters can squeeze the filter tube under the drive of water, the structural strength can be improved by the mounting seats 6, and deformation failure of the filter element 4 is prevented.

In this embodiment, as shown in fig. 1, the filter element 4 is to be stably fitted to the body 1. The upper cover 3 is provided with an annular groove 7 matched with the mounting seat 6 positioned at the upper part, the annular groove 7 is formed by annular protrusions, an annular boss 8 positioned at the lower part is arranged in the body 1, and in order to realize sealing fit between the annular boss 8 and the mounting seat 6, a sealing rubber strip 9 matched with the mounting seat 6 is arranged on the annular boss. When the filter element 4 is installed on the body 1, as shown in fig. 1-3, in the body 1, in order to form a filter area 10 by the filter element 4, an annular liquid outlet area 11 sleeved outside the filter area 10 and a slag discharge area 12 positioned below the filter area 10 are formed by the separation of the filter element 4 from the working bin, wherein the filter area 10 and the slag discharge area 12 are isolated by an elastic valve plate 13 hinged on the annular boss 8, a circle of sealing rubber strips 9 are wrapped on the outer edge of the elastic valve plate 13, and the sealing rubber strips 9 enable the elastic valve plate 13 to seal and separate the filter area 10 from the slag discharge area 12 in a normal state. In order to realize normal sealing, the elastic valve plate 13 is provided with an elastic member 14 on the opposite surface (bottom surface in the drawing) far from the filtering area 10, the elastic member 14 is a hollow rubber body, and in normal state, the elastic member is in contact fit with the bottom surface of the slag discharging area 12 (i.e. the inner bottom surface of the body 1), and the elastic member is utilized to enable the elastic valve plate 13 to realize normal closing.

In the embodiment, a liquid outlet 15 communicated with the liquid outlet area 11 is arranged on the left side of the body 1, and the liquid outlet is connected with the pump body and is used for providing filtered water for the pump body; the right side of the body 1 is provided with a liquid inlet 16 communicated with the filtering area 10 through a pipeline, and the liquid inlet 16 is used for water inflow; the body 1 is also provided with a slag discharging port 17 communicated with the slag discharging area 12. The slag discharge port 17 is used for discharging the granular slag impurities.

As shown in fig. 2 and 3, in a normal state, when the pre-pump filter works as shown in fig. 2 and the accumulated particulate matters 18 in the body 1 are too much, the conduction capacity of the filter element 4 is greatly reduced, and the water supply of the pump body is easily insufficient, so that the normal operation of the pump body is affected. In this embodiment, when the pressure in the filtering area 10 increases due to the above situation, and the pressure is greater than the set threshold of the elastic member 14, the elastic valve plate 13 is opened downward as shown in fig. 3, so that the filtering area 10 is conducted with the deslagging area 12, and the particulate matter 18 in the filtering area 10 enters the deslagging area 12 and is discharged from the deslagging port 17.

In the utility model, in order to prevent the elastic valve plate 13 from being automatically opened due to excessive water pressure to cause uncontrollable accidental drainage in the non-working state of the pump body, the slag discharge port 17 is also provided with a sealing cover 19, so that the sealing cover 19 can ensure complete sealing of the filter before the pump in the non-working state. Although exemplary embodiments of the present disclosure have been described, it will be understood by those skilled in the art that various changes and modifications can be made to the exemplary embodiments of the present disclosure without departing from the spirit and scope of the disclosure. Accordingly, all changes and modifications are intended to be included within the scope of the present disclosure as defined by the appended claims. The disclosure is defined by the following claims, with equivalents of the claims to be included therein.

Claims

1. The filter before the pump comprises a sealed body, a working bin is formed in the body, a filter piece is arranged in the working bin, a filter area is formed in the filter piece, an annular boss matched with the filter piece is arranged in the working bin, and the working bin is separated into an annular liquid outlet area positioned outside the filter area and a slag discharging area positioned right below the filter area by utilizing the matching of the annular boss and the filter piece; the slag discharging area is connected with the filtering area; an elastic valve plate is arranged at the joint of the filtering area and the deslagging area, when the internal pressure of the filtering area is too high, the elastic valve plate is jacked up to enable the filtering area to be communicated with the deslagging area, filter residues in the filtering area are discharged, and the self-cleaning of the filter residues is realized; a liquid outlet communicated with the liquid outlet area is arranged on one side of the body, filtered liquid is discharged from the liquid outlet, a liquid inlet connected with the filtering area is also arranged on the body, and unfiltered liquid enters from the liquid inlet; the body is also provided with a slag outlet which is connected with the slag discharging area and can be opened and closed.

2. A pre-pump filter as defined in claim 1, wherein: the body comprises the fixed part of taking the open-ended and is used for sealing open-ended upper cover, and the upper cover is used for sealing the opening of body, and is equipped with the draw-in groove that is used for carrying out the fixed with the filter cooperation to the filter on the upper cover.

3. A pre-pump filter as defined in claim 2, wherein: the filter comprises the filter tube of taking the filtration pore and the mount pad of setting at the filter tube both ends, and two mount pads are used for realizing the enhancement to the filter tube structure to realize the installation location of filter, wherein, the mount pad on upper portion cooperates with the draw-in groove that sets up on the upper cover, realizes the fixed of horizontal direction, and the mount pad of lower part cooperates with the annular boss that is located fixed part internal wall, realizes axial fixation, the annular boss cooperates with the filter member and realizes the space separation to the work bin.

4. A pre-pump filter as defined in claim 2, wherein: the clamping groove of the upper cover is annular.

5. A pre-pump filter as claimed in any one of claims 1 to 3, wherein: one end of the elastic valve plate, which is far away from the slag discharge port, is hinged on the annular boss; one surface of the elastic valve plate far away from the filtering area is provided with an elastic piece which is in contact fit with the bottom surface of the slag discharging area; when the internal pressure of the filtering area is increased to a threshold value, the elastic piece deforms, so that the elastic valve plate turns downwards around the hinge shaft, the filtering area is communicated with the slag discharging area, and slag discharging is realized.

6. A pre-pump filter as claimed in claim 1 or 2, wherein: the slag outlet is provided with a sealing cover which realizes resealing of the slag outlet.

7. A pre-pump filter as set forth in claim 5, wherein: the outer edge of the elastic valve plate is wrapped with a sealing rubber strip.