Filter capable of automatically discharging sewage

Abstract

The utility model discloses a filter capable of automatically discharging sewage. The filter comprises a pressing cover and a shell, a sleeve is arranged on the rotating arm, a lifting screw is arranged in the sleeve, an internal thread is arranged in the sleeve, and the sleeve is in threaded fit with the lifting screw; a boss is arranged on the pressing cover, a first groove and a second groove are formed in the boss, a circular truncated cone is arranged at the end of the lifting screw, the lifting screw is rotationally matched with the first groove, and the circular truncated cone is rotationally matched with the second groove. A water inlet pipe and a water outlet pipe are arranged on the shell, a filter element is arranged in the shell, a blow-off pipe is arranged at the lower part of the shell, the blow-off pipe is communicated with the interior of the shell, and an electric actuator is arranged on the blow-off pipe. According to the utility model, the blow-off pipe and the electric actuator are arranged on the filter, and after the filter filters each time, the electric actuator is turned on to discharge residual water in the filter, so that the condition that the filter element is soaked in water for a long time is avoided, and the filter element is prevented from being blocked and reducing the filtering effect due to being soaked in the water.

Description

Technical Field

[0001] The utility model relates to the technical field of water purification equipment, in particular to an automatic sewage discharge filter. Background Art

[0002] The filter is a filtering device for domestic water, which can effectively remove impurities and harmful substances in tap water. It uses physical principles to filter out suspended matter, sediments, microorganisms and other impurities in the water, making the water purer and safer.

[0003] The existing filter is mainly composed of a bottle body and an end cap for installing a filter element. The bottle body and the end cap are connected by ordinary threads. The structure of this type of filter is simple, not only the connection strength is low, but also the sealing is poor. When the water to be filtered is connected, high pressure is formed in the filter bottle assembly, which is easy to leak at the connection. A filter is disclosed in the utility model patent with publication number CN217627656U (hereinafter referred to as "prior art 1"). The lock assembly in prior art 1 can ensure the sealing of the connection between the bottle body and the end cap, and also improve the connection strength between the bottle body and the end cap. The locking connection is firm and reliable, which can effectively prevent the filter from leaking.

[0004] The filter element mainly plays the role of filtering in the filter, but the filter in the prior art 1 cannot discharge the remaining water inside after pressurized filtration, so that the filter element is immersed in water for a long time after filtration. The long-term immersion will cause the filter element to be blocked and easily breed bacteria, thereby reducing the filtering effect of the filter element and shortening the service life of the filter element. Utility Model Content

[0005] The utility model provides an automatic sewage discharge filter, which is used to solve the problem in the prior art that a filter element is easily clogged after being immersed in water for a long time, thereby reducing the filtering efficiency.

[0006] The technical solution of the utility model is as follows:

[0007] A filter with automatic sewage discharge comprises a compression cover and a shell, wherein the compression cover is arranged above the shell; a support block is arranged on the shell, a rotating arm is arranged on the support block, and the rotating arm is rotatably connected with the support block.

[0008] A sleeve is provided on the rotating arm, a lifting and lowering screw is provided in the sleeve, an internal thread is provided in the sleeve, and the sleeve cooperates with the lifting and lowering screw thread; a boss is provided on the clamping cover, a first groove and a second groove are provided on the boss, a round table is provided at the end of the lifting and lowering screw, the lifting and lowering screw cooperates with the first groove in rotation, and the round table cooperates with the second groove in rotation.

[0009] The shell is provided with a water inlet pipe and a water outlet pipe, a filter element is provided in the shell, a sewage pipe is provided at the lower part of the shell, the sewage pipe is connected with the inside of the shell, and an electric actuator is provided on the sewage pipe, which is an electric valve or a solenoid valve.

[0010] In a preferred technical solution, it also includes a locking assembly, which includes a locking cap, a threaded rod and a fixed block. The threaded rod is rotatably connected to the fixed block, an internal thread is provided in the locking cap, and the locking cap and the threaded rod are threadedly matched; a first convex edge is provided on the clamping cover, a first notch is provided on the first convex edge, a second convex edge is provided on the shell, a second notch is provided on the second convex edge, and the threaded rod is matched with the first notch and the second notch.

[0011] In a preferred technical solution, a buffer pad is provided on the locking cap.

[0012] In a preferred technical solution, a force ring is provided on the locking cap.

[0013] In a preferred technical solution, the lower portion of the shell is hemispherical.

[0014] In a preferred technical solution, reinforcing ribs are provided on the rotating arm.

[0015] In a preferred technical solution, an air pipe is provided on the compression cover, and a pressure gauge is provided on the air pipe, and the pressure gauge is used to display the pressure value inside the filter; a branch pipe is provided on the air pipe, and an exhaust valve is provided on the branch pipe.

[0016] In a preferred technical solution, a sealing gasket is provided at the contact portion between the compression cover and the housing.

[0017] In a preferred technical solution, a rotating handle is provided on the lifting and lowering screw rod, and the rotating handle includes a connecting rod and a contact portion, one end of the connecting rod is fixed to the lifting and lowering screw rod, and the other end of the connecting rod is plugged into the contact portion.

[0018] In a preferred technical solution, a bracket is also included, and the bracket is used to support and fix the shell.

[0019] The beneficial effects of the utility model are:

[0020] The utility model provides a sewage discharge pipe and an electric actuator on the filter. After each filtering, the electric actuator can be opened to discharge the remaining water in the filter, thereby avoiding the filter element being immersed in water for a long time and preventing the filter element from being blocked due to immersion in water, thereby reducing the filtering effect.

[0021] By setting up a drain pipe to discharge water and impurities in the filter, the probability of filter element clogging is reduced, the service life of the filter element is extended, and the number of times the filter element is replaced is reduced.

[0022] The filter is designed with a split design of a clamping cover and a shell, which is convenient for filter maintenance. The clamping cover and the shell can be quickly fixed and detached by turning the lifting screw, and the position of the clamping cover can be moved by the rotating arm to prevent interference from the clamping cover when replacing the filter element.

[0023] Through the threaded cooperation of the lifting screw and the sleeve, the height of the clamping cover can be fixed when the clamping cover is moved, preventing the clamping cover from accidentally falling and causing damage to equipment or personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Attached Figure 1 It is a structural schematic diagram of the utility model;

[0025] Attached Figure 2 It is one of the partial cross-sectional schematic diagrams of the utility model;

[0026] Attached Figure 3 This is the second partial cross-sectional view of the utility model;

[0027] Attached Figure 4 for Figure 3 The enlarged schematic diagram of point A in the middle;

[0028] Attached Figure 5 for Figure 3 The enlarged schematic diagram of point B in the middle;

[0029] Attached Figure 6 It is a partial cross-sectional schematic diagram of the filter bag and the liner in the second embodiment.

[0030] In the figure: 100-pressing cover, 110-boss, 111-first groove, 112-second groove, 120-first convex edge, 121-first notch, 130-trachea, 131-branch pipe, 140-pressure gauge, 150-exhaust valve, 200-housing, 201-second convex edge, 202-second notch, 210-support block, 220-rotating arm, 221-sleeve, 222-reinforcement rib, 230-lifting and lowering screw, 231-round table, 232-connecting rod, 233-contact part, 240-water inlet pipe, 250-water outlet pipe, 260-filter element, 261-filter bag, 262-lining, 263-melt-blown filter element, 264-fixing plate, 265-center hole, 266-giving hole, 270-drain pipe, 280-electric actuator, 300-locking cap, 301-buffer pad, 302-force ring, 310-threaded rod, 320-fixing block, 400-sealing pad, 500-bracket. DETAILED DESCRIPTION

[0031] The following will describe the specific embodiments of the present invention in detail with reference to the accompanying drawings in the embodiments of the present invention:

[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, the descriptions involving "first", "second", etc. in this utility model patent are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly including at least one of the features.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Embodiment 1

[0036] like Figure 1 , Figure 2 , Figure 4 As shown, an automatic sewage discharge filter includes a clamping cover 100 and a shell 200, wherein the clamping cover 100 is arranged above the shell 200; a support block 210 is arranged on the shell 200, and a rotating arm 220 is arranged on the support block 210, and the rotating arm 220 is rotatably connected to the support block 210.

[0037] A sleeve 221 is provided on the rotating arm 220, and a lifting and lowering screw 230 is provided in the sleeve 221. An internal thread is provided in the sleeve 221, and the sleeve 221 is threadedly matched with the lifting and lowering screw 230; a boss 110 is provided on the clamping cover 100, and a first groove 111 and a second groove 112 are provided on the boss 110. A round table 231 is provided at the end of the lifting and lowering screw 230, and the lifting and lowering screw 230 is rotatably matched with the first groove 111, and the round table 231 is rotatably matched with the second groove 112.

[0038] A water inlet pipe 240 and a water outlet pipe 250 are provided on the shell 200, a filter element 260 is provided inside the shell 200, a sewage pipe 270 is provided at the lower part of the shell 200, the sewage pipe 270 is connected to the inside of the shell 200, and an electric actuator 280 is provided on the sewage pipe 270, and the electric actuator 280 is an electric valve or a solenoid valve.

[0039] The electric actuator 280 can be connected to the sewage pipe 270 through threads. The electric valve can be a timing electric ball valve, such as an OBRAUN-25 timing ball valve; the solenoid valve can be a timing solenoid valve.

[0040] The rotating arm 220 is rotatably connected to the support block 210 through a bearing, the rotating arm 220 is connected to the inner ring of the bearing, and the support block 210 is connected to the outer ring of the bearing. The water inlet pipe 240 and the water outlet pipe 250 connect the inside of the housing 200 with the outside.

[0041] When the filter is not in use, if the water remaining in the filter is not drained, a large number of bacteria will breed. After the bacteria die, they will form colloids and become smelly, which will reduce the permeability of the filter element 260 and the filtering effect of the filter, and affect the normal use of the filter.

[0042] The height position of the clamping cover 100 can be adjusted by rotating the lifting screw 230. When the clamping cover 100 is disconnected from the shell 200, the clamping cover 100 can be moved synchronously by rotating the rotating arm 220, so that the clamping cover 100 leaves the top of the shell 200, which is convenient for replacing and installing the filter element 260.

[0043] After the filter is installed and connected, water enters the filter from the water inlet pipe 240, is filtered by the filter element 260, and then flows out of the filter from the water outlet pipe 250. The filter element 260 filters impurities, silt, colloids, floating objects, large particles, etc. in the water to prevent the impurities from entering the next filter or water-using device (such as a water heater) through the water outlet pipe 250. After each pressurized filtration of the filter is completed, the electric actuator 280 is turned on to open the drain pipe 270 to discharge the remaining water and impurities in the filter from the drain pipe 270, so as to achieve the purpose of automatic drainage, keep the inside of the filter clean, and thus reduce the number of times the filter element 260 is replaced, thereby extending the service life of the filter element 260.

[0044] The filter element 260 is provided with a clearance hole 266 at the position where it contacts the water inlet pipe 240 , and the clearance hole 266 prevents the filter element 260 from blocking impurities in the water in the water inlet pipe 240 .

[0045] Embodiment 2

[0046] In this embodiment, if Figure 3 , Figure 6As shown, the filter element 260 includes a filter bag 261 and an inner liner 262. The filter bag 261 is pressed into the housing 200 by the pressing cover 100. The filter bag 261 can be made of synthetic fiber or cellulose, and the inner liner 262 can be made of metal material, such as stainless steel. 304 stainless steel and 316 stainless steel have good corrosion resistance and can resist erosion by various corrosive media such as acid, alkali, and salt. At the same time, they also have good mechanical properties and wear resistance, and can meet the use requirements of the filter under high pressure, high temperature, high viscosity and other working conditions.

[0047] Embodiment 3

[0048] In this embodiment, if Figure 2 As shown, the filter element 260 is a meltblown filter element 263 (the meltblown filter element is made by a meltblowing process. The meltblowing process is to spray molten plastic particles at high speed to form fine fibers, then form a fiber web on a collector, and finally solidify it with hot air to form a filter element.), a fixing plate 264 is provided inside the shell 200, and the meltblown filter element 263 is installed inside the shell 200 through the fixing plate 264. A center hole 265 is provided on the meltblown filter element 263. After water enters the filter from the water inlet pipe 240, it will flow out from the center hole 265, and then flow out of the filter from the water outlet pipe 250.

[0049] Embodiment 4

[0050] In this embodiment, if Figure 3 , Figure 5 As shown, it also includes a locking assembly, which includes a locking cap 300, a threaded rod 310 and a fixing block 320. The threaded rod 310 is rotatably connected to the fixing block 320. An internal thread is provided in the locking cap 300, and the locking cap 300 is threadedly matched with the threaded rod 310. A first flange 120 is provided on the pressing cover 100, and a first notch 121 is provided on the first flange 120. A second flange 201 is provided on the shell 200, and a second notch 202 is provided on the second flange 201. The threaded rod 310 is matched with the first notch 121 and the second notch 202. When the locking assembly is needed to fix the clamping cover 100 and the shell 200, the clamping cover 100 is in contact with the shell 200, and then the threaded rod 310 is rotated to make the threaded rod 310 cooperate with the first notch 121 and the second notch 202, and then the locking cap 300 is rotated to make the locking cap 300 contact with the first protrusion 120, so as to fix the clamping cover 100 and the shell 200 through the locking assembly.

[0051] Embodiment 5

[0052] In this embodiment, if Figure 5As shown, a buffer pad 301 is provided on the locking cap 300. The buffer pad 301 can be made of elastic materials such as rubber and silicone. When the locking assembly is used to fix the compression cover 100 and the housing 200, the buffer pad 301 contacts the first flange 120. By rotating the locking cap 300, the buffer pad 301 is compressed by the locking cap 300 and the first flange 120 to produce deformation, thereby increasing the friction between the buffer pad 301 and the locking cap 300 and the first flange 120, improving the fixing effect of the locking assembly, and avoiding direct contact between the first flange 120 and the locking cap 300, avoiding friction caused by contact between the locking cap 300 and the first flange 120 and causing wear, thereby extending the use time of the first flange 120 and the locking cap 300.

[0053] Embodiment 6

[0054] In this embodiment, if Figure 5 As shown, a force ring 302 is provided on the locking cap 300. The staff can use a rod-shaped object such as a crowbar to pass through the force ring 302. The diameter of the rod-shaped object is smaller than the diameter of the inner circle of the force ring 302. By applying force on the force ring 302 and then rotating the locking cap 300, the compression cover 100 and the housing 200 are fixed. Through the principle of leverage, the labor intensity of the staff is reduced.

[0055] Embodiment 7

[0056] In this embodiment, if Figure 1 , Figure 2 As shown, the lower part of the housing 200 is hemispherical. Impurities, colloids, floating objects, large particles, bacteria including dead bacteria, etc. remaining inside the filter after filtration by the filter element 260 will settle down. Since the lower part of the housing 200 is hemispherical, that is, the inner surface of the lower part of the housing 200 is an arc surface, the impurities will gather at the lowest point of the arc surface under the action of gravity, and then fall into the sewage pipe 270. When the electric actuator 280 is turned on, the remaining water and impurities inside the filter will flow out from the sewage pipe 270, so that the inside of the filter remains clean.

[0057] Embodiment 8

[0058] In this embodiment, if Figure 1 As shown, a reinforcing rib 222 is provided on the rotating arm 220. The reinforcing rib 222 is used to enhance the strength of the rotating arm 220, extend the service life of the rotating arm 220, and reduce the possibility of bending of the rotating arm 220 due to accidents or long-term use.

[0059] Embodiment 9

[0060] In this embodiment, if Figure 1 , Figure 2As shown, the compression cover 100 is provided with an air pipe 130, and the air pipe 130 is provided with a pressure gauge 140, and the pressure gauge 140 is used to display the pressure value inside the filter; the air pipe 130 is provided with a branch pipe 131, and the branch pipe 131 is provided with an exhaust valve 150. The water passed into the filter will contain a small amount of air, and the exhaust valve 150 can be opened to discharge the air. The air pipe 130 is connected to the inside of the filter, and the staff determines the pressure value inside the filter by observing the reading of the pressure gauge 140, and then determines whether the filter needs to be repaired or replaced. For example, when the reading of the pressure gauge 140 is greater than or equal to 0.6MPa, the staff can judge that the water flow rate inside the filter is reduced, that is, the permeability of the filter element 260 is reduced, and the filter should be repaired or replaced at this time.

[0061] Embodiment 10

[0062] In this embodiment, if Figure 3 , Figure 5 As shown, a sealing gasket 400 is provided at the contact portion between the compression cover 100 and the housing 200. The sealing gasket 400 can be made of rubber, and the purpose of providing the sealing gasket 400 at the contact portion between the compression cover 100 and the housing 200 is to enhance the sealing performance after the compression cover 100 and the housing 200 are fixed, and to prevent water entering the filter from overflowing from the connection portion between the compression cover 100 and the housing 200.

[0063] Embodiment 11

[0064] In this embodiment, if Figure 1 , Figure 3 As shown, a handle is provided on the lifting screw 230, and the handle includes a connecting rod 232 and a contact portion 233. One end of the connecting rod 232 is fixed to the lifting screw 230, and the other end of the connecting rod 232 is plugged into the contact portion 233. The contact portion 233 is a sphere, and a countersunk hole is provided on the sphere, and the sphere is plugged into the connecting rod 231 through the countersunk hole. Setting the contact portion 233 as a sphere is convenient for the staff to hold and then turn the handle and the lifting screw 230.

[0065] Embodiment 12

[0066] In this embodiment, if Figure 1 As shown, a bracket 500 is also included, and the bracket 500 is used to support and fix the housing 200. The bracket 500 can be made of materials such as cast iron or stainless steel, and the bracket 500 is provided to facilitate fixing and installing the filter.

[0067] The specific embodiments described above provide further detailed descriptions of the technical solutions, technical problems solved and beneficial effects of the present invention. It should be noted that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter with automatic sewage discharge, characterized in that: The invention comprises a pressing cover (100) and a shell (200), wherein the pressing cover (100) is arranged above the shell (200); a supporting block (210) is arranged on the shell (200), a rotating arm (220) is arranged on the supporting block (210), and the rotating arm (220) is rotatably connected to the supporting block (210); A sleeve (221) is provided on the rotating arm (220), a lifting screw (230) is provided in the sleeve (221), an internal thread is provided in the sleeve (221), and the sleeve (221) is threadedly matched with the lifting screw (230); a boss (110) is provided on the pressing cover (100), a first groove (111) and a second groove (112) are provided on the boss (110), a round table (231) is provided at the end of the lifting screw (230), the lifting screw (230) is rotationally matched with the first groove (111), and the round table (231) is rotationally matched with the second groove (112); A water inlet pipe (240) and a water outlet pipe (250) are arranged on the shell (200), a filter element (260) is arranged inside the shell (200), a sewage pipe (270) is arranged at the lower part of the shell (200), the sewage pipe (270) is connected to the inside of the shell (200), and an electric actuator (280) is arranged on the sewage pipe (270), and the electric actuator (280) is an electric valve or a solenoid valve.

2. The automatic sewage discharge filter according to claim 1, characterized in that: The invention also comprises a locking assembly, which comprises a locking cap (300), a threaded rod (310) and a fixing block (320), wherein the threaded rod (310) is rotatably connected to the fixing block (320), an internal thread is arranged in the locking cap (300), and the locking cap (300) and the threaded rod (310) are threadedly matched; a first convex edge (120) is arranged on the pressing cover (100), a first notch (121) is arranged on the first convex edge (120), a second convex edge (201) is arranged on the housing (200), a second notch (202) is arranged on the second convex edge (201), and the threaded rod (310) is matched with the first notch (121) and the second notch (202).

3. The automatic sewage discharge filter according to claim 2, characterized in that: A buffer pad (301) is provided on the locking cap (300).

4. The automatic sewage discharge filter according to claim 2, characterized in that: A force ring (302) is provided on the locking cap (300).

5. The automatic sewage discharge filter according to claim 1, characterized in that: The lower part of the shell (200) is hemispherical.

6. The automatic sewage discharge filter according to claim 1, characterized in that: A reinforcing rib (222) is provided on the rotating arm (220).

7. The automatic sewage discharge filter according to claim 1, characterized in that: The compression cover (100) is provided with an air pipe (130), and the air pipe (130) is provided with a pressure gauge (140), and the pressure gauge (140) is used to display the pressure value inside the filter; the air pipe (130) is provided with a branch pipe (131), and the branch pipe (131) is provided with an exhaust valve (150).

8. The automatic sewage discharge filter according to claim 1, characterized in that: A sealing gasket (400) is provided at the contact portion between the compression cover (100) and the housing (200).

9. The automatic sewage discharge filter according to claim 1, characterized in that: The lifting screw rod (230) is provided with a rotating handle, which comprises a connecting rod (232) and a contact portion (233). One end of the connecting rod (232) is fixed to the lifting screw rod (230), and the other end of the connecting rod (232) is plugged into the contact portion (233).

10. The automatic sewage discharge filter according to claim 1, characterized in that: It also includes a bracket (500), and the bracket (500) is used to support and fix the housing (200).

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