CN209221670U - A kind of positive displacement spiral-flow filter - Google Patents

Abstract

The utility model discloses a kind of positive displacement spiral-flow filters, it is related to filter plant technical field, including surge tank, water inlet is provided on the surge tank, water outlet and blowdown valve, filter assemblies are equipped in the surge tank, the filter assemblies include several support arms along the buffering top tank structure even circumferential setting, protective net is provided between the two neighboring support arm, the top of the protective net is arranged in the water outlet, the support arm and the protective net are inclined on the surge tank, the arc-shaped shape in the section of the protective net, filter core is additionally provided in the surge tank, the bottom of the filter core is fixed by a card slot, the top of the filter core is fixedly connected by several snap components with the support arm and the protective net.So that liquid is formed eddy flow in tank using the protective net radian below tube wall and water inlet when the positive displacement spiral-flow filter liquid of the utility model is come in from water inlet, increases the area of strainer, and easy cleaning, prevent the blocking of filter assemblies.

Description

A kind of positive displacement spiral-flow filter

Technical field

The utility model relates to filter plant technical field more particularly to a kind of positive displacement spiral-flow filters.

Background technique

In the plumbing industry such as heat supply, refrigeration, circulation, HVAC using y-type filter it is very common, but water resistance compared with Greatly, main cause is that the water flowing sectional area of filter screen is small, and being easy blocking causes flow to become smaller, and resistance becomes larger, and increases water pump Power, waste electric energy.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of positive displacement spiral-flow filter.

The utility model adopts the following technical solution:

A kind of positive displacement spiral-flow filter, including surge tank are provided with water inlet, water outlet and row on the surge tank Dirty valve, the surge tank is interior to be equipped with filter assemblies, and the filter assemblies include being arranged along the buffering top tank structure even circumferential Several support arms are provided with protective net between the two neighboring support arm, and the top of the protective net, the branch is arranged in the water outlet Arm and the protective net are inclined on the surge tank, the arc-shaped shape in the section of the protective net, are also set up in the surge tank There is filter core, the bottom of the filter core is fixed by a card slot, and the top of the filter core passes through several snap components and the support arm It is fixedly connected with the protective net.

Preferably, the snap component includes the first fixed link, and one end and the support arm of first fixed link pass through Screw is fixed, and the other end of first fixed link passes through protective net and is provided with the second fixed link and motion bar, the activity It is articulated and connected between bar and second fixed link by shaft, is provided with an elastic component, the elastic component on the motion bar It is inserted into the filter core and is fixedly connected by screw with the support arm.

Preferably, the elastic component is rubber gasket.

Preferably, the outer wall of the surge tank is circumferentially provided with several platforms corresponding with the support arm, the platform It is equipped with air pump, is interconnected hollow structure in the support arm, the first fixed link, the second fixed link and motion bar, The first through hole for allowing second fixed link to be connected with the motion bar, the bottom of the motion bar are provided in the shaft The second through-hole is offered, is connected between the air pump and the support arm by tracheae.

Preferably, blowing branch pipe is additionally provided on the motion bar, the blowing branch pipe includes being separately positioned on the work The first branch pipe and the second branch pipe of lever two sides, are formed between first branch pipe and second branch pipe and the motion bar Inclination angle.

Preferably, the bottom of first branch pipe and second branch pipe is provided with bend pipe, the bend pipe and described first Branch pipe and second branch pipe are integrally formed, and the bottom of the bend pipe is provided with horn-like opening.

Preferably, scraper component is additionally provided in the surge tank, the top of the protective net, institute is arranged in the scraper component Stating scraper component includes connecting plate, and the connecting plate is arranged cambered and can be bonded with the inner wall of the surge tank, the company The inner wall of the top of fishplate bar and the surge tank is articulated and connected, and bottom offsets with the protective net, the external setting of the surge tank There is the hydraulic stem connecting with the connecting plate, the bottom of the connecting plate is provided with several injection holes, is in the connecting plate Hollow structure, and it is connect by hose with the air pump.

The utility model has the following beneficial effects: the positive displacement spiral-flow filter of the utility model, is delayed using discarded Tank shell is rushed, so that liquid is formed rotation in tank using the protective net radian below tube wall and water inlet when liquid is come in from water inlet Stream, increases protective net, increases the area of strainer, is discharged later by water outlet by protective net and filter core secondary filter, makes liquid In sundries fully fallen in filter core by protective net, finally discharged by the blowdown valve of bottom, can guarantee the stable water pressure of system, And easy cleaning, prevent the blocking of filter assemblies.

Detailed description of the invention

Preferred explanation is made to the utility model with reference to the accompanying drawing:

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is Figure 1A to schematic cross-sectional view；

Fig. 3 is the utility model snap component structural schematic diagram；

Fig. 4 is the utility model connecting board structure schematic diagram；

Fig. 5 is that the utility model is blown manifold configuration schematic diagram；

In the figure, it is marked as 1, surge tank；2, water inlet；3, water outlet；4, blowdown valve；5, support arm；6, protective net；7, filter core；； 71, card slot；8, the first fixed link；9, the second fixed link；10, motion bar；11, shaft；12, elastic component；13, platform；14, gas Pump；15, tracheae；16, the first branch pipe；17, the second branch pipe；18, bend pipe；19, it is open；20, connecting plate；21, hydraulic stem；22, soft Pipe.

Specific embodiment

It as shown in Figs. 1-5, is a kind of positive displacement spiral-flow filter of the utility model, including surge tank 1, on surge tank 1 It is provided with water inlet 2, water outlet 3 and blowdown valve 4, is equipped with filter assemblies in surge tank 1, filter assemblies include along surge tank 1 Several support arms 5 of inner wall even circumferential setting, are provided with protective net 6 between two neighboring support arm 5, protective net 6 is arranged in water outlet 3 Top, support arm 5 and protective net 6 are inclined on surge tank 1, the arc-shaped shape in the section of protective net 6, are additionally provided with filter in surge tank 1 The bottom of core 7, filter core 7 is fixed by a card slot 71, and the top of filter core 7 is fixed by several snap components and support arm 5 and protective net 6 Connection.

Specifically, being made when liquid is come in from water inlet 2 using 6 radian of protective net of 2 lower section of 1 inner wall of surge tank and water inlet Liquid forms eddy flow in tank, due to increasing protective net 6, increases the area of strainer entirety, passes through protective net 6 and filter core 7 two times It is discharged after filtered by water outlet 3, falls in the sundries in liquid in filter core 7 by protective net 6, finally by the blowdown valve 4 of bottom It discharges, can guarantee the stable water pressure of system, in addition, additionally using discarded 1 shell of surge tank, have using surge tank 1 itself Cambered structure, has saved resource.

Snap component includes the first fixed link 8, and one end and the support arm 5 of the first fixed link 8 are screwed, and first is fixed The other end of bar 8 passes through protective net 6 and is provided with the second fixed link 9 and motion bar 10, between motion bar 10 and the second fixed link 9 It is articulated and connected by shaft 11, an elastic component 12 is provided on motion bar 10, elastic component 12 is inserted into filter core 7 and by screw and branch Arm 5 is fixedly connected, and is securely fixed filter core 7 and support arm 5 by snap component, can effectively prevent water flow is excessive to cause filter core 7 solid The phenomenon that fixed shakiness is so as to cause that can not filter, while it being provided with hinged motion bar 10, it can be convenient disassembly and replacement Filter core 7.

Elastic component 12 not only facilitates the disassembly of filter core 7, together using rubber gasket as connector for rubber gasket When junction can also be sealed, prevent water flow it is filtered just flow out, generally directly adopt the connectors such as metal be easy Corroded and makes connection not secured enough.

The outer wall of surge tank 1 is circumferentially provided with several platforms 13 corresponding with support arm 5, and platform 13 is equipped with air pump 14, It is interconnected hollow structure in support arm 5, the first fixed link 8, the second fixed link 9 and motion bar 10, is set in shaft 11 It is equipped with the first through hole for allowing the second fixed link 9 to be connected with motion bar 10, the bottom of motion bar 10 offers the second through-hole, air pump It is connected between 14 and support arm 5 by tracheae 15, after filtering, opens air pump 14, air pump 14 passes through tracheae 15 and buckle group High pressure gas is delivered to the inside of surge tank 1 by part, is carried out blast cleaning to filter core 7, its blocking is prevented, in addition, directly passing through Snap component is blown, and it is not necessary that additional blowing device is arranged in tank body, has saved space.

Blowing branch pipe is additionally provided on motion bar 10, blowing branch pipe includes first for being separately positioned on 10 two sides of motion bar Pipe 16 and the second branch pipe 17, are formed with inclination angle between the first branch pipe 16 and the second branch pipe 17 and motion bar 10.

The bottom of first branch pipe 16 and the second branch pipe 17 is provided with bend pipe 18, bend pipe 18 and the first branch pipe 16 and the second branch pipe 17 are integrally formed, and the bottom of bend pipe 18 is provided with horn-like opening 19, and horn-like opening 19, which is arranged, can make blowing more Add comprehensively.

Scraper component is additionally provided in surge tank 1, the top of protective net 6 is arranged in scraper component, and scraper component includes connecting plate 20, connecting plate 10 is arranged cambered and can be bonded with the inner wall of surge tank 1, the top of connecting plate 20 and the inner wall of surge tank 1 Articulated connection, bottom offset with protective net 6, and the outside of surge tank 1 is provided with the hydraulic stem 21 connecting with connecting plate 20, connecting plate 20 Bottom be provided with several injection holes, be hollow structure in connecting plate 20, and it is connect by hose 22 with air pump 14, filtering After, the sundries on protective net 6 is cleared up again using air pump 14, connecting plate 20 is arranged to paste with 1 inner wall of surge tank The arcuate structure of conjunction, and being controlled using hydraulic stem 21, will not influence liquid and enters in surge tank 1 and be formed by eddy flow.

The above are only specific embodiments of the present invention, but the technical characteristics of the utility model is not limited thereto.Appoint How based on the utility model, to solve essentially identical technical problem, essentially identical technical effect is realized, it is made Simple change, equivalent replacement or modification etc., are all covered by among the protection scope of the utility model.

Claims (7)

1. a kind of positive displacement spiral-flow filter, it is characterised in that: including surge tank, water inlet is provided on the surge tank, is gone out The mouth of a river and blowdown valve, the surge tank is interior to be equipped with filter assemblies, and the filter assemblies include along the buffering top tank structure circumference Several support arms being uniformly arranged are provided with protective net between the two neighboring support arm, and the protective net is arranged in the water outlet Top, the support arm and the protective net are inclined on the surge tank, the arc-shaped shape in the section of the protective net, the buffering Filter core is additionally provided in tank, the bottom of the filter core is fixed by a card slot, and the top of the filter core passes through several snap components It is fixedly connected with the support arm and the protective net.

2. positive displacement spiral-flow filter according to claim 1, it is characterised in that: the snap component includes first fixed Bar, one end and the support arm of first fixed link are screwed, and the other end of first fixed link passes through protective net And it is provided with the second fixed link and motion bar, is articulated and connected between the motion bar and second fixed link by shaft, An elastic component is provided on the motion bar, the elastic component is inserted into the filter core and connects by the way that screw and the support arm are fixed It connects.

3. positive displacement spiral-flow filter according to claim 2, it is characterised in that: the elastic component is rubber gasket.

4. positive displacement spiral-flow filter according to claim 2, it is characterised in that: the outer wall of the surge tank is circumferentially arranged There are several platforms corresponding with the support arm, the platform is equipped with air pump, and the support arm, the first fixed link, second are fixed It is interconnected hollow structure in bar and motion bar, is provided in the shaft and allows second fixed link and the work The first through hole that lever is connected, the bottom of the motion bar offer the second through-hole, lead between the air pump and the support arm Cross tracheae connection.

5. positive displacement spiral-flow filter according to claim 4, it is characterised in that: be additionally provided with blowing on the motion bar Branch pipe, the blowing branch pipe include the first branch pipe and the second branch pipe for being separately positioned on the motion bar two sides, and described first Inclination angle is formed between pipe and second branch pipe and the motion bar.

6. positive displacement spiral-flow filter according to claim 5, it is characterised in that: first branch pipe and described second The bottom of pipe is provided with bend pipe, the bend pipe and first branch pipe and second branch pipe is integrally formed, the bottom of the bend pipe Portion is provided with horn-like opening.

7. positive displacement spiral-flow filter according to claim 6, it is characterised in that: be additionally provided in the surge tank and scrape board group The top of the protective net is arranged in part, the scraper component, and the scraper component includes connecting plate, and the connecting plate is provided with arc It spends and can be bonded with the inner wall of the surge tank, the inner wall of the top of the connecting plate and the surge tank is articulated and connected, bottom Portion offsets with the protective net, and the outside of the surge tank is provided with the hydraulic stem connecting with the connecting plate, the connecting plate Bottom is provided with several injection holes, is hollow structure in the connecting plate, and it is connect by hose with the air pump.