CN212308971U

CN212308971U - Multistage stack filter

Info

Publication number: CN212308971U
Application number: CN202020711328.5U
Authority: CN
Inventors: 唐杰卡; 方坤才
Original assignee: Shengao Valve Group Co ltd
Current assignee: Shengao Valve Group Co ltd
Priority date: 2020-05-05
Filing date: 2020-05-05
Publication date: 2021-01-08
Anticipated expiration: 2030-05-05

Abstract

The utility model discloses a multistage stack filter, concretely relates to filters technical field, including last filter shell, go up filter shell bottom fixedly connected with and strain the shell down, go up and strain the shell inner chamber and placed a plurality of filter plates, go up and strain the shell bottom and seted up the through-hole, it has placed the filter core to strain the shell inner chamber down, first recess has all been seted up to through-hole inner chamber both sides, the first telescopic link of first recess inner chamber one side fixedly connected with, first telescopic link other end fixedly connected with dog, the dog top is laminated with the filter plate bottom mutually, the dog bottom is laminated with the filter core top mutually. The utility model discloses a set up filter plate, filter core and flushing pipe to can get rid of filter plate surface adsorption's most big particulate matter, compare with prior art and further prolong filter plate life, effectively make things convenient for the staff to clear up internal filter plate and filter core, reduce and maintain the change frequency, satisfy the use needs.

Description

Multistage stack filter

Technical Field

The utility model relates to a filter technical field, more specifically say, the utility model relates to a multistage stack filter.

Background

The superposed filter can be directly installed below the electromagnetic directional valve to remove mechanical impurities mixed in the hydraulic oil and colloid and asphalt generated by chemical change of the hydraulic oil, so that the faults of slow reaction action, instability or blockage of a valve core, over-fast valve abrasion and the like are prevented, and the normal operation of a system is maintained, and the superposed filter is particularly suitable for an automatic control system and a servo system.

The filter carries out the filter paper at the flow, and the residue can be adsorbed by inside filter core more, nevertheless because impurity particle diameter is different in the flow, and a large amount of big particulate matters can block up slight filter core internal diameter fast, leads to filter core filter effect to reduce, leads to the filter core life-span to shorten, can not be fine satisfies the operation needs.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a multistage stack filter, the utility model aims to solve the technical problem that: a large amount of big particulate matters can block up slight filter core internal diameter fast, lead to filter core filter effect to reduce, lead to the problem that the filter core life-span shortens.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-stage stacked filter comprises an upper filter shell, wherein the bottom of the upper filter shell is fixedly connected with a lower filter shell, a plurality of filter plates are placed in an inner cavity of the upper filter shell, a through hole is formed in the bottom of the upper filter shell, a filter element is placed in an inner cavity of the lower filter shell, first grooves are formed in two sides of the inner cavity of the through hole, a first telescopic rod is fixedly connected to one side of the inner cavity of the first groove, a stop block is fixedly connected to the other end of the first telescopic rod, the top of the stop block is attached to the bottom of the filter plates, the bottom of the stop block is attached to the top of the filter element, a cover plate is attached to the top of the upper filter shell, second grooves are formed in two sides of the bottom of the cover plate, a second telescopic rod is fixedly connected to the top of the inner cavity of the second groove, an extrusion plate is, two ends of the second spring are respectively fixedly connected with the extrusion plate and the top of the inner cavity of the second groove;

the improved filter shell is characterized in that the top and the bottom of one side of the upper filter shell are communicated with flushing pipes, the outer side wall of each flushing pipe is sleeved with a conical plug, the top of each cover plate is communicated with a water inlet pipe, the two sides of the top of each cover plate are fixedly connected with clamping seats, the water inlet pipes are clamped in the clamping seats, the bottom of each lower filter shell is communicated with a water drain pipe, a plurality of threaded columns are arranged at the top of each cover plate, threaded holes are formed in the positions, corresponding to the upper filter shells, of the tops of the upper filter.

When fluid materials to be filtered enter the cover plate and the upper filter shell through the top water inlet pipe, a plurality of filter plates in the upper filter shell can pre-filter coarse-grained impurities in the fluid for a plurality of times, filtered liquid enters the bottom filter core through the through hole, the filter core finely filters residual fine particles in the fluid, so that the fluid can be subjected to multi-stage filtration through the filter plates and the filter core, when the filtering performance of more residual particles on the filter plates is reduced, the filter plates are separated from the flushing pipe by screwing the conical plug, the flushing pipe is communicated with an external water inlet pump pipe, the water inlet pipe and the water drain pipe are closed, circulating water flow can transversely flush the filter plates, most large particles adsorbed on the surfaces of the filter plates can be removed, the service life of the filter plates is further prolonged, workers can effectively and conveniently clean the internal filter plates and the filter core, and the, the use requirement is met.

In a preferred embodiment, the outer side wall of the first telescopic rod is sleeved with a first spring, and two ends of the first spring are fixedly connected with the corresponding positions of the stop block and the inner cavity of the first groove respectively, so that the elastic force of the stop block is guaranteed to be limited, and the first spring is convenient to reset after being pulled.

In a preferred embodiment, the threaded columns are uniformly distributed around the top of the cover plate, so that the fixation stability after connection is improved.

In a preferred embodiment, an extension pipe is arranged between the water inlet pipes, and the extension pipe is a rubber pipe, so that the limiting effect on the water inlet pipes is ensured.

In a preferred embodiment, the stop is L-shaped in cross section to enhance the stopping effect on the filter element while supporting the top filter plate.

In a preferred embodiment, the bottom of the cover plate is fixedly connected with a sealing gasket, and the sealing gasket is attached to the top of the upper filter shell, so that the attaching tightness of the cover plate and the upper filter shell is improved.

In a preferred embodiment, the diameter of the through-opening is greater than the diameter of the filter insert, and the maximum distance between the stops is equal to the diameter of the filter insert, while ensuring the water throughput as the filter insert is advanced.

In a preferred embodiment, the outer side wall of the water inlet pipe is sleeved with a sealing ring, and the sealing ring is embedded at the top of the cover plate to prevent the water inlet pipe from leaking from the cover plate in a clamping manner.

1. The utility model discloses a set up filter plate, filter core and flushing pipe, after the fluid material that needs to filter gets into apron and upper filter shell through the top inlet tube, a plurality of filter plates in the upper filter shell can carry out a lot of prefiltration to coarse grain impurity in the fluid, the filter core carries out the meticulous filtration to remaining tiny particle in the fluid, carry out multistage filtration through filter plate and filter core to the fluid, through twisting awl stopper and flushing pipe separation, after the flushing pipe communicates with outside water pump water pipe that advances, circulating water flow can transversely wash the filter plate, thereby can get rid of most big particulate matter that the filter plate surface adsorbs, further lengthen filter plate life compared with prior art, effectively facilitate the staff to clear up internal filter plate and filter core, reduce and maintain the change frequency, satisfy the needs of use;

2. the utility model discloses a set up first telescopic link, second telescopic link and dog, the inlet tube can be through flexible pipe adjustment orientation, make things convenient for staff to adjust mounted position, and the filter plate can be fixed at last filter shell inner chamber through second telescopic link and second spring and stripper plate extrusion when putting into the upper filter shell, and the filter core is fixed by the dog joint, stimulate the dog to both sides and drive first telescopic link and first spring and shorten, the filter core can follow and shift out in the lower filter shell, guarantee to improve just tearing open the effect when filter core joint is fixed, effectively conveniently change filter core and filter plate after the assembly at the staff, improve and use just maintainability.

Drawings

Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic view of a portion C in fig. 1 according to the present invention.

Fig. 5 is a schematic perspective view of the present invention.

The reference signs are: the filter comprises an upper filter shell 1, a lower filter shell 2, a filter plate 3, a stop block 4, a first telescopic rod 5, a first spring 6, a first groove 7, a through hole 8, a filter element 9, a drain pipe 10, a cover plate 11, a sealing gasket 12, a sealing ring 13, a water inlet pipe 14, a telescopic pipe 15, a clamping seat 16, a second groove 17, a second telescopic rod 18, a second spring 19, an extrusion plate 20, a conical plug 21, a flushing pipe 22, a threaded column 23 and a threaded hole 24.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a multistage stack filter, which comprises an upper filter shell 1, wherein the bottom of the upper filter shell 1 is fixedly connected with a lower filter shell 2, a plurality of filter plates 3 are placed in the inner cavity of the upper filter shell 1, a through hole 8 is arranged at the bottom of the upper filter shell 1, a filter core 9 is placed in the inner cavity of the lower filter shell 2, first grooves 7 are respectively arranged at two sides of the inner cavity of the through hole 8, a first telescopic rod 5 is fixedly connected with one side of the inner cavity of the first groove 7, the other end of the first telescopic rod 5 is fixedly connected with a stop block 4, the top of the stop block 4 is jointed with the bottom of the filter plate 3, the bottom of the stop block 4 is jointed with the top of the filter core 9, a cover plate 11 is jointed at the top of the upper filter shell 1, second grooves 17 are respectively arranged at two sides of the bottom of the cover plate 11, a second telescopic rod 18 is, the squeezing plate 20 is attached to the top of the filter plate 3, a second spring 19 is sleeved on the outer side wall of the second telescopic rod 18, and two ends of the second spring 19 are fixedly connected with the squeezing plate 20 and the top of the inner cavity of the second groove 17 respectively;

the top and the bottom of one side of the upper filter shell 1 are both communicated with a flushing pipe 22, the outer side wall of the flushing pipe 22 is sleeved with a conical plug 21, the top of the cover plate 11 is communicated with a water inlet pipe 14, two sides of the top of the cover plate 11 are both fixedly connected with clamping seats 16, the water inlet pipe 14 is clamped in the clamping seats 16, the bottom of the lower filter shell 2 is communicated with a water outlet pipe 10, the top of the cover plate 11 is provided with a plurality of threaded columns 23, the top of the upper filter shell 1 is provided with threaded holes 24 corresponding to the upper filter shell 1, and the cover plate 11 is in threaded connection with the threaded.

Threaded column 23 evenly distributed locates apron 11 top all around, 11 bottom fixedly connected with of apron fills up 12, sealed 12 and the laminating of 1 top of upper filter shell mutually, 14 lateral wall covers of inlet tube are equipped with sealing washer 13, sealing washer 13 inlays and locates apron 11 top.

As shown in fig. 1 to 5, the embodiment specifically is: after fluid materials to be filtered enter the cover plate 11 and the upper filter shell 1 through the top water inlet pipe 14, a plurality of filter plates 3 in the upper filter shell 1 can pre-filter coarse-grained impurities in the fluid for a plurality of times, the filtered liquid enters the bottom filter element 9 through the through hole 8, the filter element 9 finely filters residual fine particles in the fluid, so that the fluid can be subjected to multi-stage filtration through the filter plates 3 and the filter elements 9, when the filter performance of more residual particulate matters in the filter plates 3 is reduced, the conical plug 21 and the flushing pipe 22 are separated by screwing, after the flushing pipe 22 is communicated with an external water intake pump water pipe, the water inlet pipe 14 and the water discharge pipe 10 are closed, circulating water flow can transversely flush the filter plates 3, most large particulate matters adsorbed on the surfaces of the filter plates 3 can be removed, the service life of the filter plates 3 is further prolonged, and the cleaning of the filter plates 3 and the filter elements, the maintenance and replacement frequency is reduced, and the use requirement is met.

5 lateral wall covers of first telescopic link are equipped with

first spring

6, 6 both ends of first spring correspond position fixed connection with dog 4 and first recess 7 inner chamber respectively, the shape of cross section of dog 4 is the L type, be equipped with flexible pipe 15 between the inlet tube 14, and flexible pipe 15 is the rubber tube, the diameter of through-hole 8 is greater than the diameter of filter core 9, and the biggest interval between dog 4 equals the diameter of filter core 9.

As shown in fig. 1 to 3, the embodiment specifically is: the direction of the water inlet pipe 14 can be adjusted through the extension pipe 15, so that the installation position can be conveniently adjusted by a worker, meanwhile, the clamping seat 16 can protect and support the water inlet pipe 14 after the rotation, the service life of the end part of the water inlet pipe 14 is effectively prolonged, the filter plate 3 can be extruded and fixed in the inner cavity of the upper filter shell 1 through the second extension rod 18, the second spring 19 and the extrusion plate 20 when being placed in the upper filter shell 1, when the cover plate 11 is separated from the upper filter shell 1, the extrusion plate 20 can be moved out along with the upper filter shell 1, the filter plate 3 is placed in the upper filter shell 1 to be stable and is convenient to disassemble and replace, the filter element 9 is clamped and fixed by the stop blocks 4, the stop blocks 4 are pulled to two sides to drive the first extension rod 5 and the first spring 6 to shorten, the stop blocks 4 at two sides are separated from each other and separated from the filter element 9, the filter element 9 can be moved out of the lower, the maintenance convenience is improved.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, after fluid materials to be filtered enter the cover plate 11 and the upper filter shell 1 through the top water inlet pipe 14, a plurality of filter plates 3 in the upper filter shell 1 can pre-filter coarse-grained impurities in the fluid for many times, the filter element 9 can finely filter remaining fine particles in the fluid, the fluid is subjected to multi-stage filtration through the filter plates 3 and the filter element 9, the filter plates 3 and the filter element 9 are separated from the flushing pipe 22 by screwing the conical plug 21, the flushing pipe 22 is communicated with an external water inlet pump water pipe, the water inlet pipe 14 and the water outlet pipe 10 are closed, circulating water flow can transversely flush the filter plates 3, most large particles adsorbed on the surfaces of the filter plates 3 can be removed, the service life of the filter plates 3 is further prolonged, workers can effectively and conveniently clean the inner filter plates 3 and the filter elements 9, the maintenance and;

referring to the attached drawings 1-3 of the specification, the direction of the water inlet pipe 14 can be adjusted through the telescopic pipe 15, so that the installation position can be conveniently adjusted by a worker, the filter plate 3 can be extruded and fixed in the upper filter shell 1 through the second telescopic rod 18, the second spring 19 and the extrusion plate 20 when the upper filter shell 1 is placed in, the filter element 9 is clamped and fixed by the stop blocks 4, the stop blocks 4 are pulled to two sides to drive the first telescopic rod 5 and the first spring 6 to be shortened, the filter element 9 can be moved out of the lower filter shell 2, the clamping and fixing of the filter element 9 are guaranteed, meanwhile, the convenient disassembly effect is improved, the filter element 9 and the filter plate 3 can be effectively and conveniently replaced after the worker is assembled, and the.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multistage overlap filter, includes upper filter shell (1), its characterized in that: the bottom of the upper filter shell (1) is fixedly connected with a lower filter shell (2), a plurality of filter plates (3) are placed in an inner cavity of the upper filter shell (1), a through hole (8) is formed in the bottom of the upper filter shell (1), a filter element (9) is placed in an inner cavity of the lower filter shell (2), first grooves (7) are formed in two sides of the inner cavity of the through hole (8), a first telescopic rod (5) is fixedly connected to one side of the inner cavity of the first groove (7), a stop block (4) is fixedly connected to the other end of the first telescopic rod (5), the top of the stop block (4) is attached to the bottom of the filter plate (3), the bottom of the stop block (4) is attached to the top of the filter element (9), a cover plate (11) is attached to the top of the upper filter shell (1), second grooves (17) are formed in two sides of the bottom of the cover plate (11), an extrusion plate (20) is fixedly connected between the second telescopic rods (18) on the two sides, the extrusion plate (20) is attached to the top of the filter plate (3), a second spring (19) is sleeved on the outer side wall of each second telescopic rod (18), and two ends of each second spring (19) are fixedly connected with the extrusion plate (20) and the top of the inner cavity of the corresponding second groove (17) respectively;

the water filter is characterized in that the top and the bottom of one side of the upper filter shell (1) are communicated with a flushing pipe (22), the outer side wall of the flushing pipe (22) is sleeved with a conical plug (21), the top of the cover plate (11) is communicated with a water inlet pipe (14), the two sides of the top of the cover plate (11) are fixedly connected with clamping seats (16), the water inlet pipe (14) is clamped in the clamping seats (16), the bottom of the lower filter shell (2) is communicated with a water outlet pipe (10), a plurality of threaded columns (23) are arranged at the top of the cover plate (11), the top of the upper filter shell (1) is provided with threaded holes (24) corresponding to the upper filter shell (1), and the cover plate (11) is connected in the threaded holes.

2. A multistage overlap-add filter according to claim 1, wherein: the outer side wall of the first telescopic rod (5) is sleeved with a first spring (6), and two ends of the first spring (6) are fixedly connected with the corresponding positions of the inner cavities of the stop block (4) and the first groove (7) respectively.

3. A multistage overlap-add filter according to claim 1, wherein: the threaded columns (23) are uniformly distributed on the periphery of the top of the cover plate (11).

4. A multistage overlap-add filter according to claim 1, wherein: a telescopic pipe (15) is arranged between the water inlet pipes (14), and the telescopic pipe (15) is a rubber pipe.

5. A multistage overlap-add filter according to claim 1, wherein: the cross section of the stop block (4) is L-shaped.

6. A multistage overlap-add filter according to claim 1, wherein: the bottom of the cover plate (11) is fixedly connected with a sealing gasket (12), and the sealing gasket (12) is attached to the top of the upper filter shell (1).

7. A multistage overlap-add filter according to claim 1, wherein: the diameter of the through hole (8) is larger than that of the filter element (9), and the maximum distance between the stop blocks (4) is equal to that of the filter element (9).

8. A multistage overlap-add filter according to claim 1, wherein: the outer side wall of the water inlet pipe (14) is sleeved with a sealing ring (13), and the sealing ring (13) is embedded in the top of the cover plate (11).