CN114247199B - Multistage precision filter - Google Patents
Multistage precision filter Download PDFInfo
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- CN114247199B CN114247199B CN202111467141.0A CN202111467141A CN114247199B CN 114247199 B CN114247199 B CN 114247199B CN 202111467141 A CN202111467141 A CN 202111467141A CN 114247199 B CN114247199 B CN 114247199B
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- mounting seat
- top end
- side wall
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 description 14
- 238000009434 installation Methods 0.000 description 9
- 239000012535 impurity Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a multistage precision filter, which comprises a cylinder body and an end cover, wherein a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the end cover, an L-shaped plate for separating the water inlet pipe from the water outlet pipe is further arranged at the inner top of the end cover, a filtering mechanism extending into the cylinder body is arranged at the horizontal end of the L-shaped plate, the filtering mechanism comprises an outer filter element and an inner filter element, a sealing plate for supporting the inner filter element is arranged at the bottom end of the outer filter element, a mounting seat is arranged at the bottom end of the sealing plate, a drain pipe penetrating through the mounting seat is arranged on the sealing plate, a cylinder I penetrating through the bottom wall of the cylinder body is arranged at the bottom of the mounting seat, a coil extending into the cylinder I is arranged at the bottom of the mounting seat, a circle of protruding parts screwed with the inner top of the cylinder I are arranged on the outer side wall of the top end of the coil, and a pushing mechanism is arranged between the cylinder I and the coil below the protruding parts. The invention has simple structure and convenient use.
Description
Technical Field
The invention relates to the technical field of filters, in particular to a multistage precise filter.
Background
The precise filter (also called as security filter) is generally manufactured by adopting stainless steel materials, tubular filter elements such as PP melt-blown, wire-burned, folded, titanium filter element, active carbon filter element and the like are adopted as filter elements in the shell of the cylinder, different filter elements are selected according to different filter media and design processes so as to meet the requirements of effluent quality, and the precise filter is used for solid-liquid separation of various suspensions, has higher environmental requirements and higher filtering precision, is widely applicable to liquid medicine filtration, and is suitable for the industrial fields such as medicines, foods, chemical industry, environmental protection, water treatment and the like.
A precision filter as disclosed in publication No. CN213995073U has the following problems, such as: when the top cover is separated from the cylinder body, after the first annular block is lost to fix the filter element, the filter element is easy to slide or incline on the circular plate, and meanwhile, under the influence of the stretching pushing force of the spring, the probability that the filter element slides from the circular plate is increased, so that the safety of the filter element is easy to influence.
Disclosure of Invention
The invention aims to provide a multistage precision filter.
The technical problems of the invention are mainly solved by the following technical scheme:
the utility model provides a multistage precision filter, includes barrel and end cover, and wherein the end cover both sides are provided with inlet tube and outlet pipe respectively, and the top still is provided with the L template that separates inlet tube and outlet pipe in the end cover, be provided with the filter mechanism who extends to in the barrel on the L template horizontal end:
the filtering mechanism comprises an outer filter element and an inner filter element, wherein a filter screen for supporting the outer filter element is radially arranged on the outer side wall of the inner filter element, a screw hole I for accommodating the top end of the inner filter element and being in threaded connection with the top end of the inner filter element is formed in the horizontal end of the L-shaped plate, a sealing plate for supporting the inner filter element is arranged at the bottom end of the outer filter element, a mounting seat is arranged at the bottom end of the sealing plate, and a drain pipe penetrating through the mounting seat is arranged on the sealing plate;
the inner bottom of the cylinder body is provided with a cylinder I penetrating through the bottom wall of the cylinder body, the bottom of the mounting seat is provided with a coil extending into the cylinder I, the outer side wall of the top end of the coil is provided with a circle of protruding parts which are in threaded connection with the inner top of the cylinder I, a pushing mechanism is arranged between the cylinder I below the protruding parts and the coil and comprises a circular ring arranged on the inner side wall of the cylinder I, the inside of the opening of the circular ring is provided with a cylinder II, the top end of the circular ring is sleeved with a limiting ring in a sleeved mode, both ends of the cylinder II are sleeved with limiting rings, the bottom of the upper limiting ring is provided with a circle of surrounding edges extending to the top end face of the circular ring, and the inside of the circular ring is provided with connecting rods, two ends of each connecting with the upper limiting ring and the lower limiting ring are respectively sleeved with springs.
Preferably, the top end face of the horizontal end of the L-shaped plate is of an arc-shaped concave structure, wherein the screw hole I is arranged in the middle of the arc-shaped concave part of the horizontal end of the L-shaped plate, and a circle of clamping groove for accommodating the top end of the outer filter element is further formed in the bottom end face of the horizontal end of the L-shaped plate.
Preferably, the upper end and the lower end of the inner filter element are arranged in an open mode, an annular seat which is in contact with the inner side wall of the outer filter element is arranged at the bottom of the inner filter element, a circle of accommodating grooves with right trapezoid cross sections are formed in the top end face of the annular seat at the outer side of the inner filter element, reinforcing rods are arranged in the openings of the annular seats, a sleeve is arranged in the middle of each reinforcing rod, and a screw rod I which is inserted into the sleeve and is in threaded connection with the sleeve is arranged on the inner top wall of the top cover.
Preferably, the through holes for the connecting rods to pass through are formed in the circular rings, screw holes II for the connecting rods to pass through are formed in the upper limiting ring and the lower limiting ring, threads connected with the screw holes II in a threaded mode are formed in the outer side wall of the connecting rods in the screw holes II, protruding blocks located at the bottoms of the lower limiting rings are further arranged at the bottom ends of the connecting rods, cross grooves are formed in the end faces of the bottom of the protruding blocks, and the top ends of the connecting rods are not higher than the horizontal plane of the top ends of the upper Fang Xianwei rings.
Preferably, a sealing seat is screwed in the bottom opening of the cylinder I, wherein the top end of the sealing seat is provided with a dry filling layer extending into the bottom opening of the cylinder II.
Preferably, waterproof sealing layers are arranged on the upper end face and the lower end face of the mounting seat, a screw rod II penetrating through the mounting seat on the outer side of the cylinder I is arranged at the bottom of the sealing plate, and a nut positioned at the bottom of the mounting seat is connected to the screw rod II in a threaded mode.
Preferably, the mounting seat, the spiral pipe and the protruding part are integrally arranged, wherein the bottom end of the sewage pipe penetrates through the spiral pipe and extends into the cylinder II below the spiral pipe, the mounting seat is provided with a mounting hole for the sewage pipe to penetrate through, the surrounding edge height is larger than the distance between the upper Fang Xianwei ring and the top end of the cylinder I, and the distance between the circular ring and the limiting ring below is larger than the surrounding edge height.
Preferably, the aperture of the side wall of the inner filter element is larger than that of the side wall of the outer filter element, and the outer filter element and the sealing plate are integrally arranged.
The beneficial effects of the invention are as follows: the invention effectively strengthens the installation stability of the inner filter element and the outer filter element, and reduces the probability of toppling damage in the process of taking out the inner filter element while being convenient for taking out the inner filter element.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is an enlarged view of a portion of the present invention.
In the figure: 1. barrel, 2, end cover, 3, inlet tube, 4, outlet pipe, 5, L template, 6, filtering mechanism, 61, interior filter core, 62, outer filter core, 7, filter screen, 8, screw I,9, closing plate, 10, mount pad, 11, blow off pipe, 12, drum I,13, solenoid, 14, bulge, 15, pushing mechanism, 151, ring, 152, drum II,153, spacing ring, 154, surrounding edge, 155, connecting rod, 156, spring, 16, draw-in groove, 17, annular seat, 18, holding tank, 19, stiffener, 20, sleeve, 21, screw I,22, lug, 23, seal seat, 24, dry filling layer, 25, screw II,26, nut.
Detailed Description
The technical scheme of the invention is further specifically described below by means of examples and with reference to fig. 1-2.
Example 1:
the utility model provides a multistage precision filter, includes barrel 1 and end cover 2, and wherein end cover 2 both sides are provided with inlet tube 3 and outlet pipe 4 respectively, and the top still is provided with the L template 5 that separates inlet tube 3 and outlet pipe 4 in the end cover 2, be provided with the filter mechanism 6 that extends to in the barrel 1 on the L template 5 horizontal end.
When the liquid filtering device is used, after the liquid is led into the end cover 2 through the water inlet pipe 3, the L-shaped plate 4 can block the led liquid to prevent the led liquid from directly flowing to the water outlet pipe 4 to be discharged, and the liquid flows into the cylinder body 1 after being filtered by the filtering mechanism 6 and is then discharged from the water outlet pipe 4, so that the purpose of filtering the liquid is realized.
The filtering mechanism 6 comprises an outer filter element 62 and an inner filter element 61, the upper end and the lower end of the inner filter element 61 are opened, a filter screen 7 for supporting the outer filter element 62 is radially arranged on the outer side wall of the inner filter element 61, the aperture of the side wall of the inner filter element 61 is larger than that of the side wall of the outer filter element 62, a screw hole I8 for accommodating the top end of the inner filter element 61 and being in threaded connection with the inner filter element is formed in the horizontal end of the L-shaped plate 5, a sealing plate 9 for supporting the inner filter element 61 is arranged at the bottom end of the outer filter element 62, the outer filter element 62 and the sealing plate 9 are integrally arranged, the bottom end of the sealing plate 9 is provided with a mounting seat 10, waterproof sealing layers are respectively arranged on the upper end face and the lower end face of the mounting seat 10, a screw rod II25 penetrating through the mounting seat 10 is arranged at the bottom of the sealing plate 9, a nut 26 positioned at the bottom of the mounting seat 10 is arranged on the sealing plate 9, a sewage drain pipe 11 penetrating through the mounting seat 10 is formed in the mounting seat 10.
The inner bottom of the cylinder body 1 is provided with a cylinder I12 penetrating through the bottom wall of the cylinder I, the bottom of the mounting seat 10 is provided with a coil 13 extending into the cylinder I12, and the outer side wall of the top end of the coil 13 is provided with a circle of protruding parts 14 screwed with the inner top of the cylinder I12.
The top end face of the horizontal end of the L-shaped plate 5 is of an arc-shaped concave structure, a screw hole I8 is formed in the middle of the arc-shaped concave part of the horizontal end of the L-shaped plate 5, and a circle of clamping groove 16 for accommodating the top end of the outer filter element 61 is formed in the bottom end face of the horizontal end of the L-shaped plate 5.
As shown in fig. 1, during installation, the outer filter element 62, the sealing plate 9 and the installation seat 10 are locked and fixed together by passing through a hole on the installation seat 10 through the screw rod II25 and screwing the nut 26, and simultaneously the outer filter element 62 is rotated to enable the protruding part 14 and the screw tube 13 to be inserted into the cylinder I12, and the protruding part 14 is screwed with the inner top of the cylinder I12 so as to achieve the purpose of movably fixing the outer filter element 62 in the cylinder 1.
Meanwhile, the top end of the inner filter element 61 is inserted into the screw hole I8 to be in threaded connection with the inner filter element, so that the inner filter element is suspended and fixed at the bottom of the end cover 2, then the end cover 2 is combined with the cylinder body 1, at the moment, the top end of the outer filter element 62 is inserted into the clamping groove 16, the inner filter element 61 is inserted into the outer filter element 62, the filter screen 7 effectively separates the inner filter element 61 from the outer filter element 62, and the space between the inner filter element and the outer filter element is fixed, so that the inner filter element is prevented from being easily influenced by external force to collapse and bend.
When in use, liquid is led into the end cover on the right side of the L-shaped plate 5 through the water inlet pipe 3, then flows into the inner filter element 62=1 through the screw hole I8 for primary filtration, then is filtered again through the outer filter element 62, and finally the filtered liquid is discharged through the water outlet pipe 4, so that the multistage filtering effect on the liquid is realized.
In the filtering process, a large amount of large-volume impurities are filtered by the inner filter element 61 to be precipitated in the inner filter element 61, so that a large amount of large-volume impurities float in the liquid in the inner filter element 61, if the large-volume impurities are not timely discharged, the filtering effect is affected, and the large-volume impurities are taken out and cleaned after the inner filter element 61 is stopped in a general cleaning mode, but the processing efficiency is affected by the method, but in the embodiment, the large-volume impurities precipitated at the bottom of the inner filter element 61 can be discharged through the drain pipe 11 only by stretching hands into the cylinder I12, and the processing efficiency is not affected when the inner filter element 61 is cleaned.
The pushing mechanism 15 is arranged between the cylinder I12 below the bulge 14 and the spiral tube 13, the pushing mechanism 15 comprises a circular ring 151 arranged on the inner side wall of the cylinder I12, a cylinder II152 with the top sleeved on the spiral tube 13 and in threaded connection with the spiral tube is arranged in an opening of the circular ring 151, limiting rings 153 are sleeved at two ends of the cylinder II152, a round of surrounding edge 154 extending to the top end face of the circular ring 151 is arranged at the bottom of the upper limiting ring 153, the height of the surrounding edge 154 is larger than the distance between the upper Fang Xianwei ring 153 and the top end of the cylinder I12, the distance between the circular ring 151 and the lower limiting ring 153 is larger than the height of the surrounding edge 154, connecting rods 155 with two ends connected with the upper limiting ring 153 and the lower limiting ring 153 are arranged in the circular ring 151, springs 156 are sleeved on the limiting rods 155 above the circular ring 151, and through holes for the connecting rods 155 to penetrate are formed in the circular ring 151.
When the water-proof type water-proof device is installed, the bottom end of the coil 13 is inserted into the inner top of the cylinder II152 and is connected with the screw joint, the upper limiting ring 153 is extruded by the outer filter element 62 and the installation seat 10 under the weight extrusion of the outer filter element 62 and the installation seat 10, the cylinder II152 is driven to move downwards in the circular ring 151, the connecting rod 155 moves downwards in the through hole and the surrounding edge 154 moves downwards in the cylinder I12, the upper limiting ring 153 also presses the spring 156 downwards to enable the spring 156 to shrink, so that the protruding part 14 moves downwards and contacts with the inner top of the cylinder I12, finally, the protruding part 14 is connected with the cylinder I12 in a screw joint mode through rotating the outer filter element 62, the coil 13 is connected with the cylinder II152 in a screw joint mode, the outer filter element 62 and the installation seat 10 are locked and fixed in the cylinder 1 at the top of the cylinder I12 through the protruding part 14 which is connected with the cylinder I12 in a screw joint mode, the spring 156 is indirectly extruded by the protruding part 14 so as to prevent the spring 156 from stretching to push the outer filter element 62 to move upwards, and meanwhile, the water-proof sealing layer on the end surface of the installation seat 10 prevents liquid in the cylinder 1 from seeping out through a gap between the installation seat 10 and the top of the cylinder I12.
When the end cover 2 is separated from the cylinder 1, the inner filter element 61 is drawn out from the outer filter element 62, and at the same time, the inner filter element 61 is only required to be rotated to enable the top end of the inner filter element 61 to be rotated out of the screw hole I8 to clean and replace the outer filter element 62, and at the same time, when the outer filter element 62 is required to be cleaned and replaced, the outer filter element 62 is only required to be rotated to enable the outer filter element 62 to drive the protruding part 14 to rotate in the cylinder I12 and the screw 13 to rotate in the cylinder II152 through the sealing plate 9 and the mounting seat 10, in the embodiment, the length of the screw 13 is larger than the height of the protruding part 14, so that when the protruding part 14 is completely rotated out of the cylinder I12, the lower half part of the screw 13 is also in threaded connection with the cylinder II152, thereby preventing the outer filter element 62 from tilting due to losing a fixed point between the bottom of the mounting seat 10 and the pushing mechanism 15, then under the extrusion fixing effect of the protruding part 14 on the spring 156, the spring 156 can push the upper limit ring 153 upwards, further driving the cylinder II152 to move upwards in the circular ring 151, the connecting rod 155 to move upwards in the through hole and the surrounding edge 154 to move upwards in the cylinder I12, so that the upwards moved limiting ring 153 can drive the top end of the outer filter element 62 to slide out of the cylinder 1 gradually by pushing the screw tube 13, the mounting seat 10 and the sealing plate 9, then continuing to rotate the outer filter element 62 to drive the screw tube 13 to separate from the cylinder II152, and then the outer filter element 62 can be pulled out of the cylinder 1, thereby facilitating people to lift the detached inner filter element 62 out of the cylinder 1, when the cylinder II152 moves upwards to a certain extent, the circular ring 151 can hang the lower limiting ring 153 to prevent the cylinder II152 from moving upwards continuously, thereby indirectly and effectively preventing the bottom end of the surrounding edge 154 from sliding out of the top opening of the cylinder I12, and further avoiding the problem that the top end of the cylinder I12 is propped against the bottom end of the surrounding edge 154 to influence the sliding into the cylinder I12 when the cylinder II152 is driven to move downwards, when the pushing mechanism 15 pushes the mounting seat 10 and the outer filter element 62 to move up to the designated position, the pushing mechanism 15 protruding from the top end of the cylinder I12 is prevented from being skewed by the way that the cylinder I12 abuts against the surrounding edge 154, and at the moment, the pushing mechanism 15 can play a role in fixing the mounting seat 10 and the outer filter element 62 through the screw tube 13, so that the problem of skew is prevented.
In this embodiment, the upper and lower sets of limiting rings 153 are provided with screw holes II through which the connecting rod 155 passes, the outer side wall of the connecting rod 155 in the screw holes II is provided with threads screwed with the screw holes II, wherein the bottom end of the connecting rod 155 is further provided with a bump 22 located at the bottom of the lower limiting ring 153, the bottom end surface of the bump 22 is provided with a cross groove, and the top end of the connecting rod 155 is not higher than the top horizontal surface of the upper Fang Xianwei ring 153.
Because the connecting rod 155 lateral wall between two upper and lower sets of spacing rings 153 is smooth structure, and then can reduce its resistance that causes it when sliding in the through-hole, and pass connecting rod 155 and screw II and through-hole through from down upwards when specifically installing to with two sets of screw II spiro union with connecting rod 155 are fixed, lug 22 prevents connecting rod 155 excessive upward movement this moment, and owing to there is connecting rod 155's existence for spring 156 is difficult for taking place the problem of crooked torsion in the in-process of shrink stretching.
A sealing seat 23 is screwed in the bottom opening of the cylinder I12, wherein the top end of the sealing seat 23 is provided with a dry filling layer 24 extending into the bottom opening of the cylinder II 152.
When the components in the cylinder I12 are not operated, the sealing seat 23 prevents foreign objects from entering the inside of the cylinder I12 to influence the safety of the components in the cylinder I12, wherein the drying filling layer 24 made of the drying agent can promote the dryness in the cylinder I12 and prevent the inside of the cylinder I from being moist to influence the use environment of the components.
Example 2:
a multistage precision filter which is basically the same as that of embodiment 1, except that an annular seat 17 contacting with the inner side wall of an outer filter element 62 is arranged at the bottom of an inner filter element 61, a circle of accommodating grooves 18 with right trapezoid cross sections are arranged on the top end surface of the annular seat 17 on the outer side of the inner filter element 61, a reinforcing rod 19 is arranged in an opening of the annular seat 17, a sleeve 20 is arranged in the middle of the reinforcing rod 19, and a screw rod I21 which is inserted into the sleeve 20 and is in threaded connection with the sleeve is arranged on the inner top wall of a top cover 2.
When the inner filter element 61 is installed, the top end of the inner filter element 61 is in threaded connection with the screw hole I8, the bottom end of the inner filter element 61 is in threaded connection with the screw rod I21 through the annular seat 17 and the reinforcing rod 19, so that the upper end and the lower end of the inner filter element 61 are fixed, the probability of swinging under the influence of external force is reduced, when the end cover 2 is separated from the cylinder body 1, the inner filter element 61 drives the annular seat 17 to be pulled out of the outer filter element 61, as shown in fig. 1, the conical part outside the accommodating groove 18 scrapes impurities adhered to the inner side wall of the outer filter element 62 and enables the impurities to fall into the accommodating groove 18 for temporary storage, the purpose of preliminary cleaning of the outer filter element 62 can be achieved when the inner filter element 61 is separated from the outer filter element 62, and the stability between the inner filter element 61 and the outer filter element 62 can be effectively enhanced by the mode that the clamping groove 16 is used for fixing the top end of the outer filter element 62, the annular seat 17 is propped against the bottom end of the outer filter element 62 and the middle side wall of the filter screen 7 is propped against the outer filter element 62, and the space between the inner filter element 61 is limited, and the space between the inner filter element 62 is prevented from being too small, and affecting the circulation of liquid is influenced.
The foregoing detailed description of the invention has been presented for purposes of illustration and description, but is not intended to limit the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (5)
1. The utility model provides a multistage precision filter, includes barrel and end cover, and wherein the end cover both sides are provided with inlet tube and outlet pipe respectively, and the top still is provided with the L template that separates inlet tube and outlet pipe in the end cover, be provided with the filter mechanism who extends to in the barrel on the L template horizontal end, its characterized in that:
the filtering mechanism comprises an outer filter element and an inner filter element, wherein a filter screen for supporting the outer filter element is radially arranged on the outer side wall of the inner filter element, a screw hole I for accommodating the top end of the inner filter element and being in threaded connection with the top end of the inner filter element is formed in the horizontal end of the L-shaped plate, a sealing plate for supporting the inner filter element is arranged at the bottom end of the outer filter element, a mounting seat is arranged at the bottom end of the sealing plate, and a drain pipe penetrating through the mounting seat is arranged on the sealing plate;
the inner bottom of the cylinder body is provided with a cylinder I penetrating through the bottom wall of the cylinder body, the bottom of the mounting seat is provided with a coil extending into the cylinder I, the outer side wall of the top end of the coil is provided with a circle of protruding parts which are in threaded connection with the inner top of the cylinder I, a pushing mechanism is arranged between the cylinder I below the protruding parts and the coil, the pushing mechanism comprises a circular ring arranged on the inner side wall of the cylinder I, the opening of the circular ring is internally provided with a cylinder II, the top end of the circular ring is sleeved on the coil in a sleeved mode, both ends of the cylinder II are sleeved with limiting rings, the bottom of the upper limiting ring is provided with a circle of surrounding edges extending to the top end face of the circular ring, and the inside of the circular ring is provided with connecting rods, two ends of each connecting with the upper limiting ring and the lower limiting rings, and springs are sleeved on the limiting rods above the circular ring;
the upper end and the lower end of the inner filter element are opened, the bottom of the inner filter element is provided with an annular seat which is contacted with the inner side wall of the outer filter element, the top end surface of the annular seat on the outer side of the inner filter element is provided with a circle of accommodating groove with a right trapezoid cross section, a reinforcing rod is arranged in the opening of the annular seat, a sleeve is arranged in the middle of the reinforcing rod, and the inner top wall of the top cover is provided with a screw I which is inserted into the sleeve and is in threaded connection with the sleeve;
the circular ring is provided with a through hole for the connecting rod to pass through, wherein the upper limiting ring and the lower limiting ring are provided with screw holes II for the connecting rod to pass through, the outer side wall of the connecting rod in the screw holes II is provided with threads connected with the screw holes II in a threaded manner, the bottom end of the connecting rod is also provided with a lug positioned at the bottom of the lower limiting ring, the end face of the bottom of the lug is provided with a cross groove, and the top end of the connecting rod is not higher than the horizontal plane of the top end of the upper Fang Xianwei ring;
the mounting seat, the spiral pipe and the protruding portion are integrally arranged, wherein the bottom end of the sewage pipe penetrates through the spiral pipe and extends into the cylinder II below the spiral pipe, the mounting seat is provided with a mounting hole for the sewage pipe to penetrate through, the surrounding edge height is larger than the distance between the upper Fang Xianwei ring and the top end of the cylinder I, and the distance between the circular ring and the limiting ring below is larger than the surrounding edge height.
2. A multi-stage precision filter according to claim 1, wherein: the top end face of the horizontal end of the L-shaped plate is of an arc-shaped concave structure, a screw hole I is formed in the middle of the arc-shaped concave part of the horizontal end of the L-shaped plate, and a circle of clamping groove for accommodating the top end of the outer filter element is formed in the bottom end face of the horizontal end of the L-shaped plate.
3. A multi-stage precision filter according to claim 1, wherein: the inner side of the opening at the bottom of the cylinder I is in threaded connection with a sealing seat, and a dry filling layer extending into the opening at the bottom of the cylinder II is arranged at the top end of the sealing seat.
4. A multi-stage precision filter according to claim 1, wherein: the waterproof sealing layers are arranged on the upper end face and the lower end face of the mounting seat, a screw rod II penetrating through the mounting seat on the outer side of the cylinder I is arranged at the bottom of the sealing plate, and a nut positioned at the bottom of the mounting seat is connected to the screw rod II in a threaded mode.
5. A multi-stage precision filter according to claim 1, wherein: the aperture of the side wall of the inner filter element is larger than that of the side wall of the outer filter element, and the outer filter element and the sealing plate are integrally arranged.
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| CN202111467141.0A CN114247199B (en) | 2021-12-03 | 2021-12-03 | Multistage precision filter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111467141.0A CN114247199B (en) | 2021-12-03 | 2021-12-03 | Multistage precision filter |
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| CN114247199A CN114247199A (en) | 2022-03-29 |
| CN114247199B true CN114247199B (en) | 2023-11-24 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1279698A (en) * | 1968-12-10 | 1972-06-28 | Sack Gmbh Maschf | Filter device |
| KR200385792Y1 (en) * | 2005-03-17 | 2005-06-02 | 김광성 | A filter |
| CN204002986U (en) * | 2014-07-26 | 2014-12-10 | 温州市远泰汽车零部件有限公司 | Oil filter |
| EP3055547A1 (en) * | 2013-10-02 | 2016-08-17 | Clarcor Engine Mobile Solutions, LLC | Fuel filter cartridge and method of use thereof |
| CN108744649A (en) * | 2018-08-05 | 2018-11-06 | 江苏进源压力容器有限公司 | A kind of high-precision filter |
| CN209612357U (en) * | 2019-02-27 | 2019-11-12 | 唐山佳润节水科技有限公司 | A kind of filter with more filter core switching constructions |
| CN210645429U (en) * | 2019-08-15 | 2020-06-02 | 泰兴市光华石油化工机械制造有限公司 | Pipeline filter with easily replaced filter element |
| CN210751531U (en) * | 2019-10-10 | 2020-06-16 | 昆山矽崴环保设备有限公司 | Filter with foldable filter element |
| CN213995073U (en) * | 2020-10-16 | 2021-08-20 | 上海滤盈工业过滤设备有限公司 | Precision filter |
| CN214680488U (en) * | 2021-05-17 | 2021-11-12 | 芜湖乐透净水科技有限公司 | Device convenient to installation filter core |
| CN214936540U (en) * | 2021-06-03 | 2021-11-30 | 深圳市百福泉科技有限公司 | Multilayer combined type water purifier filter element with good purification effect |
-
2021
- 2021-12-03 CN CN202111467141.0A patent/CN114247199B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1279698A (en) * | 1968-12-10 | 1972-06-28 | Sack Gmbh Maschf | Filter device |
| KR200385792Y1 (en) * | 2005-03-17 | 2005-06-02 | 김광성 | A filter |
| EP3055547A1 (en) * | 2013-10-02 | 2016-08-17 | Clarcor Engine Mobile Solutions, LLC | Fuel filter cartridge and method of use thereof |
| CN204002986U (en) * | 2014-07-26 | 2014-12-10 | 温州市远泰汽车零部件有限公司 | Oil filter |
| CN108744649A (en) * | 2018-08-05 | 2018-11-06 | 江苏进源压力容器有限公司 | A kind of high-precision filter |
| CN209612357U (en) * | 2019-02-27 | 2019-11-12 | 唐山佳润节水科技有限公司 | A kind of filter with more filter core switching constructions |
| CN210645429U (en) * | 2019-08-15 | 2020-06-02 | 泰兴市光华石油化工机械制造有限公司 | Pipeline filter with easily replaced filter element |
| CN210751531U (en) * | 2019-10-10 | 2020-06-16 | 昆山矽崴环保设备有限公司 | Filter with foldable filter element |
| CN213995073U (en) * | 2020-10-16 | 2021-08-20 | 上海滤盈工业过滤设备有限公司 | Precision filter |
| CN214680488U (en) * | 2021-05-17 | 2021-11-12 | 芜湖乐透净水科技有限公司 | Device convenient to installation filter core |
| CN214936540U (en) * | 2021-06-03 | 2021-11-30 | 深圳市百福泉科技有限公司 | Multilayer combined type water purifier filter element with good purification effect |
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|---|---|
| CN114247199A (en) | 2022-03-29 |
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