CN217854771U - Quick-open type pipeline filter - Google Patents

Abstract

The utility model relates to a quick-opening pipeline filter in the technical field of filters, which comprises a shell; the shell is U-shaped, the top of the shell is provided with a cover body which can be opened and closed, a detachable filter screen is arranged in the shell, the side wall of the shell above the filter screen is provided with a liquid inlet, and the side wall of the shell below the filter screen is provided with a liquid outlet; the filter screen is "U" type, and the opening part of filter screen is fixed with round annular fender edge, keeps off along the cooperation have annular support frame, the outer loop of support frame and the inner wall fixed connection of casing, keeps off the inner ring diameter on edge and is less than the diameter of support frame, keeps off the outer loop diameter on edge and is greater than the diameter of support frame. The utility model has the advantages of simple and reasonable overall structure, easy operation, convenient to use, the lid of opening that can be quick carries out the change or the clearance of filter screen, and filter area is big, and filtration efficiency is high, and under the little condition of flow, can accomplish to replace reserve filter screen, the production of being convenient for fast in not shutting down, not stopping production, continuous production.

Description

Quick-open type pipeline filter

Technical Field

The utility model belongs to the technical field of the filter, concretely relates to quick-open type pipe filter.

Background

The pipeline filter is a device for removing solid impurities in the process of pipeline transportation of liquid. In chemical production, a liquid phase raw material contains impurities or a small amount of crystal particles can appear on the liquid phase material due to temperature change, the impeller can be damaged when the liquid phase raw material passes through a pump, and simultaneously a pump cavity and a pipeline are blocked, so that an equipment accident or a parking accident is caused, and loss is brought to enterprise production, so that a pipeline filter can be designed between a liquid phase material storage tank and the pump for filtering before the liquid phase raw material enters into a reaction, and the patent No. CN210751495U discloses a pipeline filter which comprises a feeding port, a filter shell and a discharging port, wherein the filter shell is provided with the feeding port and the discharging port which are communicated with an external pipe, the top of the filter shell is provided with a flange, two ends of the flange are fixed through quick-opening bolts, and the top of the flange is provided with a pressure gauge; the two sides of the middle part of the inner wall of the filter shell are provided with clamping grooves, and the clamping grooves are clamped with filter screens. The pipeline filter disclosed by the patent is simple in use method and convenient to detach and install, but has the problems that the filter screen filtering area is small, the flange can be opened only by completely detaching the quick-opening bolt, the quick-opening bolt is easy to lose in the detaching process of the flange and the like, namely, the problem that the volume of a pipeline filter body is small or the time for cleaning an impurity replacement filter element is long still exists, the normal operation of production is influenced, and particularly in the production of fine chemical engineering and organic chemical engineering, adverse effects are aggravated. Therefore, a quick-open type pipe filter is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects existing in the prior art, the utility model provides a quick-open type pipeline filter, which comprises a shell; the shell is U-shaped, the top of the shell is provided with a cover body which can be opened and closed, a detachable filter screen is arranged in the shell, a liquid inlet is formed in the side wall of the shell above the filter screen, and a liquid outlet is formed in the side wall of the shell below the filter screen;

the filter screen is "U" type, and the opening part of filter screen is fixed with the annular edge that keeps off of round, keep off along the support frame that the cooperation has annular stainless steel, the outer loop of support frame and the inner wall fixed connection of casing, keep off the diameter that the inner ring diameter on edge is less than the support frame, keep off the diameter that the outer loop diameter on edge is greater than the support frame.

Preferably, the top of the cover body is provided with a handle, the lower end of the cover body is fixed with a circle of outward convex outer edge, the outer wall of the shell is symmetrically provided with a group of fixing components, and the fixing components are matched with the outer edge; the fixed subassembly includes fixing base, connecting rod, threaded rod, fixture block and turning handle, the fixing base is fixed on the outer wall of casing, the one end and the fixed seat hinge of connecting rod are connected, and the other end and the threaded rod of connecting rod are connected, the fixture block cover is established on the threaded rod and with outer along the cooperation, the fixture block rotates through the bearing and is connected with the swivel nut, swivel nut and threaded rod screw-thread fit, the turning handle is fixed on the swivel nut.

Preferably, a non-slip mat is fixed at the clamping position of the clamping block and the outer edge, and the non-slip mat can be a rubber mat.

Preferably, a sealing gasket is arranged between the cover body and the shell, and the sealing gasket can be a polytetrafluoroethylene gasket.

Preferably, the side wall of the lower part of the shell is provided with a discharging and cleaning port which is a discharging and cleaning flange port.

The utility model discloses still including enabling the other subassemblies of a quick-open pipe-line filter normal use, be the conventional technological means in this field. In addition, the device or the assembly which is not limited in the utility model adopts the conventional technical means in the field, and the sealing gasket, the non-slip mat and the like are the conventional equipment in the field.

The utility model has the working principle that the liquid to be filtered enters the shell from the liquid inlet, falls into the filter screen and is filtered by the filter screen, the filter screen is U-shaped, the bottom and the side wall of the filter screen can filter the liquid, the filtering area is increased, the filtering efficiency is improved, and the problem of low filtering efficiency caused by small capacity of the pipeline filter body is relieved; the filtered liquid is discharged from the liquid outlet, and the liquid in the filter is completely discharged through the discharge port after the use. The rotating handle is screwed to drive the screw sleeve to rotate, so that the screw sleeve moves upwards along the threaded rod, the screw sleeve drives the clamping block connected with the screw sleeve to move upwards, the clamping block is separated from the outer edge, then the threaded rod or the connecting rod is pulled off to enable the connecting rod to rotate around the hinged part, and the clamping block is completely separated from the outer edge without influencing the opening and closing of the cover body. Then can open the lid through the pull-up handle, carry out quick clearance or change to the filter screen of erectting on the support frame. Above-mentioned process operation is simple quick, changes the back with inside filter screen to cover the lid fast, break back with connecting rod and threaded rod off with the fingers and thumb, the antiport turning handle makes the swivel nut drive the fixture block and move down and compress tightly with the outer edge of lid, and the filter resumes service function, and the swivel nut does not leave from the threaded rod with the turning handle in the operation process, has avoided the condition of losing to produce. Even under the condition of small flow, the standby filter screen can be quickly replaced in continuous production without stopping the machine or production.

The beneficial effects of the utility model, overall structure is simple reasonable, easy operation, convenient to use, the lid of opening that can be quick carries out the change or the clearance of filter screen, and filter area is big, and filtration efficiency is high, and the swivel nut does not leave from the threaded rod with the turning handle in the operation process, has avoided the condition of losing to produce, and under the condition that the flow is little, can accomplish to replace reserve filter screen fast in not shutting down, not stopping production, continuous production, the production of being convenient for.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a quick-opening pipeline filter of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic view of the structure of the screen of FIG. 1

Fig. 4 is a top view of fig. 3.

In the figure: 1. a housing; 2. a cover body; 3. a handle; 4. a handle is rotated; 5. a threaded rod; 6. a clamping block; 7. a connecting rod; 8. a fixed seat; 9. a liquid inlet; 10. a discharge port; 11. an outer edge; 12. a liquid outlet; 13. blocking edges; 14. a support frame; 15. filtering with a screen; 16. a threaded sleeve; 17. a pin; 18. the pin is opened.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in fig. 1-4, the utility model provides a quick-open type pipeline filter, which comprises a housing 1 made of DN300 x 4mm stainless steel; the shell 1 is U-shaped, the top of the shell 1 is provided with a stainless steel cover body 2 capable of being opened and closed, a detachable phi 219 x 5mm stainless steel filter screen 15 is arranged in the shell 1, a liquid inlet 9 is arranged on the side wall of the shell 1 above the filter screen 15, the liquid inlet is an inlet flange port, a liquid outlet 12 is arranged on the side wall of the shell 1 below the filter screen 15, and the liquid outlet is an outlet flange port;

filter screen 15 is "U" type, and the opening part of filter screen 15 is fixed with the annular fender of round along 13, keep off along 13 cooperation have annular support frame 14, the outer loop of support frame 14 and the inner wall fixed connection of casing 1, keep off along 13 the inner ring diameter that the inner ring diameter is less than support frame 14, keep off along 13 the outer loop diameter that the outer loop diameter is greater than support frame 14.

Preferably, the top of the cover body 2 is provided with a handle 3, the lower end of the cover body 2 is fixed with a circle of outward convex outer edge 11, the outer wall of the shell body 1 is symmetrically provided with a group of fixing components, and the fixing components are matched with the outer edge 11; the fixing component comprises a fixing seat 8, a connecting rod 7, a threaded rod 5, a clamping block 6 and a rotating handle 4, the fixing seat 8 is fixed on the outer wall of the shell 1, one end of the connecting rod 7 is hinged with the fixing seat 8 through a pin 17 with a flat head hole, an opening pin 18 is matched with the other end of the pin, the pin is prevented from being separated from the connecting rod and the fixing seat, the other end of the connecting rod 7 is fixedly connected with the threaded rod 5, the clamping block 6 is sleeved on the threaded rod 5 and matched with the outer edge 11, the clamping block 6 is rotatably connected with a threaded sleeve 16 through a bearing, the threaded sleeve 16 is in threaded fit with the threaded rod 5, and the rotating handle 4 is fixed on the threaded sleeve 16.

Preferably, a non-slip pad is fixed at the clamping position of the clamping block 6 and the outer edge 11, and the non-slip pad can be a rubber pad.

Preferably, a sealing gasket is arranged between the cover body 2 and the shell body 1, and the sealing gasket can be a polytetrafluoroethylene gasket. The lower surface on the outer edge of lid is equipped with casing top complex annular groove, the polytetrafluoroethylene gasket is fixed in the annular groove, when lid 2 covers establishes on casing 1, under the fastening of fixture block, casing 1's top stretch into in the annular groove with polytetrafluoroethylene gasket in close contact with, improve its leakproofness and withstand voltage nature this department for prior art, here is no longer described any more.

Preferably, a discharge opening 10 is formed in a side wall of a lower portion of the housing 1.

When the device works, liquid to be filtered in the raw material storage tank enters the shell 1 from the liquid inlet, falls into the filter screen 15 and is filtered by the filter screen 15, the filter screen is U-shaped, and the bottom and the side wall of the filter screen can filter the liquid, so that the filter area is increased, the filter efficiency is improved, and the problem of low filter efficiency caused by small volume of a pipeline filter body is solved; the filtered liquid is discharged from the liquid outlet 12 and enters the centrifugal pump, and the liquid in the filter is discharged completely through the discharge port 10 after the use is finished. The rotating handle 4 is screwed to drive the threaded sleeve 16 to rotate, so that the threaded sleeve 16 moves upwards along the threaded rod 5, the threaded sleeve 16 drives the fixture block 6 connected with the threaded sleeve to move upwards, the fixture block 6 is separated from the outer edge 11, then the threaded rod 5 or the connecting rod 7 is pulled to rotate the connecting rod 7 around the hinged part, and the fixture block 6 is completely separated from the outer edge 11 without influencing the opening and closing of the cover body 2. Then, the cover body 2 can be opened by pulling up the handle 3, and the filter screen 15 erected on the support frame 14 can be quickly cleaned or replaced. The process is simple and quick to operate, the cover body of the filter can be quickly opened within 20-30 seconds, the filter screen inside the filter can be quickly replaced, the cover body is quickly covered, the connecting rod and the threaded rod are pulled back, the rotating handle is rotated reversely, the threaded sleeve drives the clamping block to move downwards to be pressed with the outer edge of the cover body, and the filter recovers the use function. Even under the condition of small flow, the spare filter screen can be quickly replaced in continuous production without stopping the machine, production and production, the condition that solid impurities in the material enter the centrifugal pump to damage the impeller or block a pump cavity or a pipeline is avoided, and the method is favorable for chemical production, particularly the production of fine chemical industry and organic chemical industry.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A quick-open duct filter comprising a housing; the method is characterized in that: the shell is U-shaped, the top of the shell is provided with a cover body which can be opened and closed, a detachable filter screen is arranged in the shell, a liquid inlet is formed in the side wall of the shell above the filter screen, and a liquid outlet is formed in the side wall of the shell below the filter screen;

the filter screen is "U" type, and the opening part of filter screen is fixed with the annular edge that keeps off of round, keep off along the cooperation having annular support frame, the outer loop of support frame and the inner wall fixed connection of casing, keep off the inner ring diameter on edge and be less than the inner ring diameter of support frame, keep off the outer loop diameter on edge and be greater than the inner ring diameter of support frame.

2. The quick-open duct filter of claim 1, wherein: the top of the cover body is provided with a handle, the lower end of the cover body is fixed with a circle of outward convex outer edge, the outer wall of the shell is symmetrically provided with a group of fixing components, and the fixing components are matched with the outer edge; the fixed subassembly includes fixing base, connecting rod, threaded rod, fixture block and turning handle, the fixing base is fixed on the outer wall of casing, the one end and the fixed seat hinge of connecting rod are connected, and the other end and the threaded rod of connecting rod are connected, the fixture block cover is established on the threaded rod and with outer along the cooperation, the fixture block rotates through the bearing and is connected with the swivel nut, swivel nut and threaded rod screw-thread fit, the turning handle is fixed on the swivel nut.

3. The quick-open pipe filter according to claim 2, wherein: and an anti-slip pad is fixed at the clamping position of the clamping block and the outer edge.

4. The quick-open type pipe filter according to claim 1, wherein: and a sealing gasket is arranged between the cover body and the shell.

5. The quick-open type pipe filter according to claim 1, wherein: and a discharging and cleaning port is formed in the side wall of the lower part of the shell.

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