CN217567719U

CN217567719U - Dual filter for flow meter

Info

Publication number: CN217567719U
Application number: CN202220778271.XU
Authority: CN
Inventors: 丁长虹
Original assignee: Hefei Jingxiang Instrument Co ltd
Current assignee: Hefei Jingxiang Instrument Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-10-14
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a dual filter for flow meter, including filter housing, waste material drain pan and level setting feed liquor pipe and drain pipe in the filter housing both sides, the junction of feed liquor pipe and drain pipe and filter housing both sides is equipped with first filter and second filter respectively, the bottom intercommunication of feed liquor pipe has row material pipe, filter housing's bottom intercommunication has the toper unloading pipe, the bottom of arranging material pipe and toper unloading pipe is all connected waste material drain pan top both sides, the discharge gate of waste material drain pan bottom is equipped with the blow-off valve, relates to the filter and deposits technical field. The utility model discloses a setting of first filter and second filter can improve filterable effect, arranges the row's material pipe and toper unloading pipe through the setting and can concentrate twice filterable impurity and collect in the waste material drain pan, and rethread sealing mechanism can guarantee can not influence normal water supply when arranging the material at every turn, guarantees the continuity that supplies water.

Description

Dual filter for flow instrument

Technical Field

The utility model belongs to the technical field of the filter, especially, relate to a dual filter for flow meter.

Background

The filter is an indispensable device on a medium conveying pipeline, is usually installed on a pressure reducing valve, a pressure relief valve and a constant water level valve, and is also used as auxiliary equipment for a flow meter.

The filterable effect of current filtration equipment is relatively poor, also needs regularly to clear up filterable impurity in the filter simultaneously, when clearing up at every turn, all need close the valve, stops to supply water, and too loaded down with trivial details to impurity step, for this reason the utility model provides a dual filter is used to flow meter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual filter for flow instrument has solved the problem in the above-mentioned technical background.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a dual filter for flowmeter, including filter housing, waste material drain pan and level setting feed liquor pipe and drain pipe in the filter housing both sides, the junction of feed liquor pipe and drain pipe and filter housing both sides is equipped with first filter and second filter respectively, the bottom intercommunication of feed liquor pipe has row material pipe, filter housing's bottom intercommunication has the toper unloading pipe, the bottom of arranging material pipe and toper unloading pipe is all connected waste material drain pan top both sides, the discharge gate of waste material drain pan bottom is equipped with the blow-off valve, be equipped with the sealing mechanism of the ejection of compact of control waste material between the inside of arranging material pipe and toper unloading pipe.

Further, the sealing mechanism comprises a first sealing plug and a second sealing plug which are respectively arranged on the discharge holes of the discharging pipe and the conical discharging pipe, and a U-shaped connecting pipe connected between the top ends of the first sealing plug and the second sealing plug.

Further, the top end of the U-shaped connecting pipe penetrates through the liquid inlet pipe and the filter shell and extends above the filter shell, and the U-shaped connecting pipe is connected with the top of the filter shell through an elastic mechanism.

Furthermore, U-shaped connecting pipe both ends are first spheroid sealing member of fixedly connected with and second spheroid sealing member respectively, first spheroid sealing member is used for controlling the rivers condition of feed liquor pipe and row material pipe, second spheroid sealing member is used for controlling the rivers condition of toper unloading pipe and waste material drain pan.

Furthermore, the elastic mechanism comprises a telescopic rod arranged between the U-shaped connecting pipe and the top of the filter shell and a spring sleeved on the outer surface of the telescopic rod.

Furthermore, rubber sealing rings are arranged between the inner walls of the U-shaped connecting pipe, which are respectively connected with the liquid inlet pipe and the filter shell.

The utility model discloses following beneficial effect has:

the utility model discloses a setting of first filter and second filter can improve filterable effect, arranges the row's material pipe and toper unloading pipe through the setting and can concentrate twice filterable impurity and collect in the waste material drain pan, and rethread sealing mechanism can guarantee can not influence normal water supply when arranging the material at every turn, guarantees the continuity that supplies water.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a dual filter for a flow meter;

fig. 2 is an enlarged view of a portion a of a double filter for a flow meter in fig. 1.

In the drawings, the reference numbers indicate the following list of parts:

1. a filter housing; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. a first filter plate; 5. a second filter plate; 6. a discharge pipe; 7. a conical blanking pipe; 8. a waste material bottom; 9. a discharge valve; 10. a first sealing plug; 11. a second sealing plug; 12. a U-shaped connecting pipe; 13. a first ball seal; 14. a second ball seal; 15. a telescopic rod; 16. a spring; 17. a rubber seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-2, the utility model relates to a dual filter for flowmeter, including filter housing 1, waste material drain pan 8 and level set up feed liquor pipe 2 and drain pipe 3 in filter housing 1 both sides, the junction of feed liquor pipe 2 and drain pipe 3 and filter housing 1 both sides is equipped with first filter 4 and second filter 5 respectively, the bottom intercommunication of feed liquor pipe 2 has row material pipe 6, the bottom intercommunication of filter housing 1 has toper unloading pipe 7, arrange the bottom of material pipe 6 and toper unloading pipe 7 and all connect in waste material drain pan 8 top both sides, the discharge gate of waste material drain pan 8 bottom is equipped with blow-off valve 9, be equipped with the sealing mechanism of control waste material ejection of compact between the inside of arranging material pipe 6 and toper unloading pipe 7.

In this embodiment, when the filter works normally, water enters the filter housing 1 from the liquid inlet pipe 2 and is discharged from the liquid outlet pipe 3, when the water passes through, the first filter plate 4 and the second filter plate 5 filter the water for the second time, the impurities filtered by the first filter plate 4 are left in the discharging pipe 6, and the impurities filtered by the second filter plate 5 are left in the conical discharging pipe 7.

The sealing mechanism comprises a first sealing plug 10 and a second sealing plug 11 which are respectively arranged on the discharge ports of the discharging pipe 6 and the conical discharging pipe 7, and a U-shaped connecting pipe 12 connected between the top ends of the first sealing plug 10 and the second sealing plug 11.

When discharging filterable impurity in this embodiment, open blow off valve 9 and press U-shaped connecting pipe 12 downwards, drive first sealing plug 10 and second sealing plug 11 and move down, be located the inside impurity of row material pipe 6 and toper unloading pipe 7 and waste water together get into waste material drain pan 8 to export discharge from waste material drain pan 8 bottom.

Wherein, the top end of the U-shaped connecting pipe 12 penetrates through the liquid inlet pipe 2 and the filter housing 1 and extends above the filter housing 1, and the U-shaped connecting pipe 12 is connected with the top of the filter housing 1 through an elastic mechanism. The elastic mechanism comprises a telescopic rod 15 arranged between the U-shaped connecting pipe 12 and the top of the filter shell 1 and a spring 16 sleeved on the outer surface of the telescopic rod 15.

In this embodiment, when the U-shaped connecting pipe 12 is pressed downward, the elastic mechanism is driven to compress, and when the U-shaped connecting pipe 12 is loosened, the U-shaped connecting pipe 12 returns to the original position under the action of the elastic mechanism, and the elastic mechanism is specifically composed of an expansion link 15 and a spring 16.

Wherein, the both ends of U-shaped connecting pipe 12 are fixedly connected with first spheroid sealing member 13 and second spheroid sealing member 14 respectively, and first spheroid sealing member 13 is used for controlling the rivers condition of feed liquor pipe 2 and row material pipe 6, and second spheroid sealing member 14 is used for controlling the rivers condition of toper unloading pipe 7 and waste material drain pan 8.

In the embodiment, the first ball seal 13 and the second ball seal 14 are matched to ensure that the normal operation of the water supply can be ensured when the waste material is discharged, and the continuity of the water supply is ensured. Pressing down on the U-shaped connecting tube 12 closes the passage of the inlet pipe 2 and the outlet pipe 6 with the first ball seal 13 and the passage of the conical outlet pipe 7 with the waste pan 8 with the second ball seal 14.

Wherein, a rubber sealing ring 17 is arranged between the inner walls of the U-shaped connecting pipe 12 which are respectively connected with the liquid inlet pipe 2 and the filter shell 1. The tightness of the connection between the U-shaped connecting pipe 12 and the liquid inlet pipe 2 and the filter shell 1 can be ensured by the arranged rubber sealing ring 17.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A dual filter for a flow meter, comprising: including filter casing (1), waste material drain pan (8) and level setting feed liquor pipe (2) and drain pipe (3) in filter casing (1) both sides, the junction of feed liquor pipe (2) and drain pipe (3) and filter casing (1) both sides is equipped with first filter (4) and second filter (5) respectively, the bottom intercommunication of feed liquor pipe (2) has row material pipe (6), the bottom intercommunication of filter casing (1) has toper unloading pipe (7), row's material pipe (6) and the bottom of toper unloading pipe (7) are all connected waste material drain pan (8) top both sides, the discharge gate of waste material drain pan (8) bottom is equipped with row material valve (9), be equipped with the sealing mechanism of control waste material ejection of compact between the inside of row material pipe (6) and toper unloading pipe (7).

2. A duplex filter for a flow meter according to claim 1, wherein the sealing means comprises a first sealing plug (10) and a second sealing plug (11) respectively arranged at the outlet of the discharge duct (6) and the conical discharge duct (7) and a U-shaped connecting tube (12) connected between the top ends of the first sealing plug (10) and the second sealing plug (11).

3. A duplex filter for flow meter according to claim 2, wherein the top end of the U-shaped connecting pipe (12) penetrates the liquid inlet pipe (2) and the filter housing (1) and extends above the filter housing (1), and the U-shaped connecting pipe (12) is connected with the top of the filter housing (1) by an elastic mechanism.

4. A duplex filter for flow meter according to claim 2, characterized in that the U-shaped connecting tube (12) is fixedly connected at its two ends with a first spherical sealing element (13) and a second spherical sealing element (14), respectively, the first spherical sealing element (13) is used to control the water flow of the inlet tube (2) and the outlet tube (6), and the second spherical sealing element (14) is used to control the water flow of the conical blanking tube (7) and the waste bottom shell (8).

5. A duplex filter for a flow meter according to claim 3, wherein the elastic means comprises a telescopic rod (15) provided between the U-shaped connecting tube (12) and the top of the filter housing (1) and a spring (16) fitted over the outer surface of the telescopic rod (15).

6. A duplex filter for flow meter according to claim 2, characterized in that a rubber packing (17) is provided between the inner walls of the U-shaped connecting pipe (12) connected to the inlet pipe (2) and the filter housing (1), respectively.