CN218686898U

CN218686898U - Liquid filter

Info

Publication number: CN218686898U
Application number: CN202222597754.2U
Authority: CN
Inventors: 高捷; 周琦; 马嫣; 韩化春
Original assignee: Jinan Jinfulu Water Cutting Technology Co ltd
Current assignee: Jinan Jinfulu Water Cutting Technology Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-03-24
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to a liquid filter, which belongs to the technical field of liquid filtering equipment, and the key point of the technical proposal is that the liquid filter comprises a shell and a filtering device arranged inside the shell, wherein the upper part of the shell is provided with a liquid inlet, the lower part of the shell is provided with a liquid outlet, and the filtering device comprises a plurality of filter cartridges; a horizontal mounting plate is fixed in the shell, and a plurality of mounting ports for mounting the filter cartridges are formed in the mounting plate; the filter cartridge comprises a cartridge body and a positioning ring plate fixed at the upper end of the cartridge body, wherein a filter bag is sleeved at the periphery of the cartridge body and comprises a filter screen bag and a rubber pad arranged at the upper end of the filter screen bag, an elastic transition ring band is arranged between the rubber pad and the filter screen bag, and two ends of the elastic transition ring band are respectively fixedly connected with the rubber pad and the filter screen bag; the utility model discloses can convenient and fast change the filter screen.

Description

Liquid filter

Technical Field

The utility model relates to a liquid filtration equipment technical field especially relates to a liquid filter.

Background

The liquid filter, also called liquid filter, is an indispensable device on the medium conveying pipeline, usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a level valve or other equipment, and is used for eliminating impurities in the medium to protect the normal use of the valve and the equipment. When fluid enters the filter cylinder with a filter screen with a certain specification, impurities are blocked, clean filtrate is discharged from the filter outlet, and when the filter cylinder needs to be cleaned, the detachable filter cylinder is taken out and is installed again after treatment.

The existing liquid filter can refer to the Chinese utility model patent document with the publication number of CN202113673U, which discloses a liquid filter, the liquid filter includes: the upper cylinder is provided with a liquid outlet; the lower cylinder is provided with a liquid inlet and a compressed air port; the partition plate is arranged between the upper barrel and the lower barrel, and a plurality of through holes are formed in the partition plate; and a plurality of filter elements disposed in the lower cylinder and coupled to the through-holes in the partition plate. The filter core is provided with a plurality of inlets, and the filter screen passes through the cladding of stainless steel wire in the outside of filter core.

The traditional liquid filter wraps the filter screen around the filter element in a stainless steel wire bundling mode, and after the filter screen is used for a long time and needs to be replaced, the bundled stainless steel wires need to be removed, and then a new green filter screen is replaced and then the filter screen is bundled again, so that the operation is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a liquid filter can convenient and fast change the filter screen.

The above technical purpose of the present invention can be achieved by the following technical solutions: a liquid filter comprises a shell and a filtering device arranged in the shell, wherein a liquid inlet is formed in the upper part of the shell, a liquid outlet is formed in the lower part of the shell, and the filtering device comprises a plurality of filter cartridges; a horizontal mounting plate is fixed in the shell, and a plurality of mounting ports for mounting the filter cartridges are formed in the mounting plate; the cartridge filter includes the barrel and fixes the position ring board in the barrel upper end, barrel periphery cover is equipped with and crosses the filter bag, cross the filter bag and include the filter screen bag and set up in the rubber pad of filter screen bag upper end, be provided with the elasticity transition clitellum between rubber pad and the filter screen bag, the both ends of elasticity transition clitellum respectively with rubber pad and filter screen bag fixed connection.

According to the technical scheme, the filter screen is arranged into a bag shape and then is arranged on the filter cylinder in a sleeving manner; when the filter cartridge and the filter bag are installed, the filter cartridge is inserted into the installation plate from the installation opening, the positioning ring plate is further fixed, the filter cartridge is pressed and fixed on the installation plate, the upper end of the filter screen bag is provided with the rubber pad and the elastic transition ring belt, and the filter screen bag is tensioned through elastic deformation of the elastic transition ring belt, so that the filter screen bag can be tightly attached to the peripheral wall of the filter cartridge, and good filtering can be achieved; through setting up the rubber pad, through the elastic deformation of rubber pad, not only can improve the degree of cooperation of filter screen and cartridge filter, can strengthen the leakproofness of cartridge filter and installing port cooperation position moreover.

Preferably, the lower end of the cylinder is a spherical surface.

Through the technical scheme, the lower end of the cylinder body is set to be the spherical surface, so that the sleeving operation of the filter bag and the filter cylinder is more convenient; and the filter bag lower extreme can be better with the cartridge filter laminating.

Preferably, a plurality of mounting threaded holes are formed in the mounting plate around the mounting port, a plurality of mounting holes matched with the mounting threaded holes are formed in the positioning ring plate, and the mounting holes correspond to the mounting threaded holes one to one.

Through above-mentioned technical scheme, through set up the installation screw hole around the installing port, and then adopt bolted connection to fix the retaining ring board pressure on the mounting panel to can convenient and fast install fixedly to the cartridge filter.

Preferably, an installation annular plate fixedly connected with the inner wall of the shell is arranged above the installation plate; and a filter disc is arranged on the upper part of the mounting ring plate.

Through the technical scheme, the filter cartridge is matched with the filter bag and is usually used for filtering relatively fine solid impurities in liquid, so that the filter cartridge is usually made of thin-wall sheet metal materials; when a large blocky solid exists in the liquid, the filter cartridge is easily impacted under the action of the kinetic energy of the liquid and the falling gravitational potential energy, so that the filter cartridge is locally deformed; through setting up the filter disc on cartridge filter upper portion, filter the great cubic solid of volume in the liquid to can be better filter liquid.

Preferably, the shell comprises a tank body and an end cover arranged at the upper end of the tank body, and the upper end of the tank body is provided with an opening; a plurality of thread blocks are circumferentially fixed at the upper end of the tank body, a plurality of positioning sleeves are circumferentially fixed on the end cover, and the positioning sleeves correspond to the thread blocks one to one; and a screw rod handle in threaded fit with the thread block is arranged between the thread block and the positioning sleeve.

Through above-mentioned technical scheme, use the screw rod handle to pass the position sleeve, and then install on the screw thread piece, through rotating the screw rod handle, use the screw rod handle to press the end cover admittedly on jar body, and then can be convenient firm seal jar body.

Preferably, the circumferential wall of the tank body is fixedly provided with an installation block, an L-shaped cantilever is arranged above the end cover, and the L-shaped cantilever is hinged with the installation block around a vertical axis; an operating screw is fixed on the upper portion of the end cover, and a connecting screw hole in threaded fit with the operating screw is formed in the L-shaped cantilever.

Through above-mentioned technical scheme, through rotating the operation screw rod, and then drive the end cover upward movement, break away from with the jar body, and then rotate L type cantilever, make L type cantilever rotate around its pivot with the installation piece to drive the end cover and break away from jar body top position, and then make things convenient for the staff to operate jar internal portion.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic view of a liquid filter.

Fig. 2 is a sectional view showing the internal configuration of the housing.

Fig. 3 is a partially enlarged view of a in fig. 2.

Fig. 4 is a schematic view of the structure of the filter tray.

Fig. 5 is a schematic view showing the structure of the filter cartridge and the filter bag.

Wherein, 1, a tank body; 11. a liquid inlet; 12. a liquid outlet; 13. a thread block; 14. mounting blocks; 15. mounting a plate; 16. installing a ring plate; 17. a settlement opening; 2. an end cap; 21. a positioning sleeve; 3. a screw handle; 4. an L-shaped cantilever; 5. operating the screw; 51. an operating handle; 6. a filter tray; 61. water passing holes; 62. a grip handle; 7. a filter cartridge; 71. a barrel; 72. positioning the ring plate; 73. filtering holes; 8. a filter bag; 81. a filter screen bag; 82. a rubber pad; 83. an elastic transition zone.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that, as used in the description below, the words "front", "rear", "left", "right", "upper" and "lower" refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer", respectively, refer to directions that are directed away from the geometric center of a particular component.

The embodiment is as follows:

a liquid filter, referring to fig. 1 and 2, comprises a shell and a filtering device arranged in the shell. The shell comprises a tank body 1 and an end cover 2 arranged at the upper end of the tank body 1, and the upper end of the tank body 1 is opened. A liquid inlet 11 is arranged at the upper part of the tank body 1, a liquid outlet 12 is arranged at the lower part of the tank body 1, and the filtering device is arranged in the tank body 1. The lower end of the tank body 1 is provided with a settling port 17, a switch valve for controlling the on-off of liquid is usually arranged at the settling port 17, and after the filtration is finished, turbid liquid deposited at the bottom of the tank body 1 is discharged through the settling port 17. When using liquid filter to filter liquid, let in jar body 1 with liquid from inlet 11, and then filter solid impurity in to liquid through filter equipment, the liquid flow through filter equipment after the filtration, by the discharge of liquid outlet 12 jar body 1. Through opening end cover 2, and then clean clearance to the solid impurity that filter equipment collected.

Referring to fig. 2 and 3, a plurality of thread blocks 13 are circumferentially fixed at the upper end of the tank body 1, a plurality of positioning sleeves 21 are circumferentially fixed at the end cover 2, and the positioning sleeves 21 correspond to the thread blocks 13 one by one; a screw handle 3 which is in threaded fit with the thread block 13 is arranged between the thread block 13 and the positioning sleeve 21. An installation block 14 is fixed on the peripheral wall of the tank body 1, an L-shaped cantilever 4 is arranged above the end cover 2, and the L-shaped cantilever 4 is hinged with the installation block 14 around a vertical axis; an operation screw rod 5 is fixed on the upper part of the end cover 2, and a connecting screw hole which is in threaded fit with the operation screw rod 5 is arranged on the L-shaped cantilever 4. The operating screw 5 axially passes through the L-shaped cantilever 4, and an operating handle 51 is fixed at the upper end of the operating screw 5. When the liquid filter is used for filtering liquid, the end cover 2 is in a closed state. The screw handle 3 axially penetrates through the positioning sleeve 21 and is in threaded fit with the thread block 13, and the end cover 2 is pressed and fixed on the tank body 1 through the screw handle 3, so that the tank body 1 can be well sealed. When the filtration of liquid is completed and the solid impurities collected by the filtering device need to be cleaned, each screw handle 3 is detached from the thread block 13, and then the operating handle 51 is rotated, and the end cover 2 is driven by the operating screw 5 to be separated from the tank body 1. After the end cover 2 is separated from the tank body 1, the L-shaped cantilever 4 is rotated around the rotating shaft of the L-shaped cantilever 4 and the mounting block 14, so that the end cover 2 is far away from the position above the tank body 1, and the solid impurities collected by the filtering device can be cleaned conveniently by workers.

With reference to fig. 2 and 4, the filter device comprises a filter disc 6 and a number of filter cartridges 7. The inner wall of the tank body 1 is provided with a horizontally arranged mounting plate 15 and a horizontally arranged mounting ring plate 16. Wherein, the mounting ring plate 16 is positioned above the mounting plate 15, the filter cartridge 7 is mounted on the mounting plate 15, and the filter disc 6 is mounted on the mounting ring plate 16. The filter disc 6 is a disc container made of stainless steel, and the bottom surface of the filter disc 6 is provided with a water through hole 61 penetrating through the filter disc 6. A gripping handle 62 is fixed inside the filter disc 6. Through setting up filter disc 6, and then carry out the primary filtration to liquid in getting into jar body 1, intercept the great cubic solid of volume in the liquid. Through set up the handle 62 that grips on filter plate 6, and then when installing and dismantling filter plate 6 and jar body 1, convenient and fast more.

Referring to fig. 2 and 5, the filter cartridge 7 includes a cylinder 71 and a retainer ring plate 72 fixed to an upper end of the cylinder 71, and a lower end of the cylinder 71 is provided as a spherical surface. Wherein, the peripheral wall and the bottom of the cylinder 71 are densely provided with filtering holes 73 for liquid to pass through, and the diameter of the filtering holes 73 is smaller than the water through holes 61 arranged on the filtering disc 6. A plurality of mounting threaded holes are formed in the mounting plate 15 around the mounting opening, a plurality of mounting holes matched with the mounting threaded holes are formed in the positioning ring plate 72, and the mounting holes correspond to the mounting threaded holes one to one. When the filter cartridge 7 is mounted, the retainer ring plate 72 is bolted to the mounting plate 15, whereby the filter cartridge 7 is pressed and fixed to the mounting plate 15.

Referring to fig. 2 and 5, a filter bag 8 is fitted around the outside of the filter cartridge 7. The filter bag 8 comprises a filter bag 81 and a rubber pad 82 arranged at the upper end of the filter bag 81, an elastic transition ring belt 83 is arranged between the rubber pad 82 and the filter bag 81, and two ends of the elastic transition ring belt 83 are respectively fixedly connected with the rubber pad 82 and the filter bag 81. The strainer bag 81 is made of a water-permeable material with meshes, and the corresponding aperture ratio and the mesh diameter are selected according to the filtering requirement. The length of the filter screen bag 81 and the elastic transition ring belt 83 is slightly smaller than that of the filter cartridge 7, so that when the filter bag 8 is sleeved on the filter cartridge 7, the elastic transition ring belt 83 elastically deforms to apply tension to the filter screen bag 81, and the filter screen bag 81 can be tightly attached to the outer wall of the building cylinder 71. The filter bag 8 is supported by the cylinder 71 as a framework, and the filter cartridge 7 is matched with the filter mesh bag 81 for filtering, so that solid impurities in the liquid can be well filtered. The filtered solid impurities remain in the cylinder 71, and after the filtering is completed, the solid impurities remaining in the cylinder 71 are periodically cleaned.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a liquid filter, includes the casing and sets up at the inside filter equipment of casing, inlet (11) have been seted up on the upper portion of casing, liquid outlet (12), its characterized in that have been seted up to the lower part of casing: the filtering device comprises a plurality of filtering cartridges (7); a horizontal mounting plate (15) is fixed inside the shell, and a plurality of mounting ports for mounting the filter cartridges (7) are formed in the mounting plate (15); cartridge filter (7) include barrel (71) and fix position ring board (72) in barrel (71) upper end, barrel (71) periphery cover is equipped with and crosses filter bag (8), cross filter bag (8) including filter screen bag (81) and set up in rubber pad (82) of filter screen bag (81) upper end, be provided with elasticity transition clitellum (83) between rubber pad (82) and filter screen bag (81), the both ends of elasticity transition clitellum (83) respectively with rubber pad (82) and filter screen bag (81) fixed connection.

2. A liquid filter as claimed in claim 1, wherein: the lower end of the cylinder (71) is a spherical surface.

3. A liquid filter as claimed in claim 1, wherein: a plurality of mounting threaded holes are formed in the mounting plate (15) around the mounting opening, a plurality of mounting holes matched with the mounting threaded holes are formed in the positioning ring plate (72), and the mounting holes correspond to the mounting threaded holes one to one.

4. A liquid filter as claimed in claim 1, wherein: an installation annular plate (16) fixedly connected with the inner wall of the shell is arranged above the installation plate (15); and a filter disc (6) is arranged at the upper part of the mounting ring plate (16).

5. A liquid filter as claimed in claim 1, wherein: the shell comprises a tank body (1) and an end cover (2) arranged at the upper end of the tank body (1), and the upper end of the tank body (1) is provided with an opening; a plurality of thread blocks (13) are circumferentially fixed at the upper end of the tank body (1), a plurality of positioning sleeves (21) are circumferentially fixed on the end cover (2), and the positioning sleeves (21) correspond to the thread blocks (13) one by one; and a screw handle (3) in threaded fit with the thread block (13) is arranged between the thread block (13) and the positioning sleeve (21).

6. A liquid filter as claimed in claim 5, wherein: an installation block (14) is fixed on the peripheral wall of the tank body (1), an L-shaped cantilever (4) is arranged above the end cover (2), and the L-shaped cantilever (4) is hinged with the installation block (14) around a vertical axis; an operation screw rod (5) is fixed on the upper portion of the end cover (2), and a connection screw hole in threaded fit with the operation screw rod (5) is formed in the L-shaped cantilever (4).