Sewage treatment equipment with filter screen convenient to replace

Abstract

The utility model discloses sewage treatment equipment convenient for replacing a filter screen, which belongs to the field of sewage purification treatment and comprises a water purification tank body, a dosing port arranged at the top of the water purification tank body, and a water inlet arranged at one side, corresponding to the dosing port, of the top of the water purification tank body, the motor is fixedly arranged at the top of the water purification tank body; the stirrer is fixedly connected to the output end of the motor and extends into the water purification tank body; the water outlet pipe is arranged at the bottom of the water purification tank body and is provided with an electromagnetic valve; the fixed plate is inserted into the top of the water purification tank body; the limiting plate is fixedly arranged in the water purification box body and is in contact with the filter screen; and the limiting opening is formed in the fixing plate. And a fixing mechanism is arranged on one side, far away from the stirrer, of the fixing plate. The device is few in operation steps, more labor-saving and more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage purification and treatment, in particular to sewage treatment equipment which is convenient for replacing a filter screen. Background Art

[0002] The progress and development of modern society cannot be separated from water resources. However, people consume a large amount of water from the earth every day. Therefore, in order to save the limited water resources on the earth, how to reuse sewage has received more and more attention. Sewage treatment is a procedure that is often required in the current industrial production field, especially for various textile, papermaking, printing and dyeing, chemical and other industries. Due to the large amount of wastewater, if reliable sewage treatment is not carried out, it will cause extremely serious pollution to the environment. The existing sewage treatment device is very inconvenient when replacing the filter, which consumes a lot of time and energy of the staff and brings great trouble to the staff.

[0003] After investigation, the Chinese utility model patent with announcement number CN212924636U discloses a sewage treatment equipment that is convenient for replacing the filter screen, including a box body, the box body is provided with a filter screen disassembly structure and a temporary blocking component; the filter screen disassembly structure includes a filter screen arranged in the box body, a positioning plate connected to the top of the filter screen, a positioning groove arranged on the positioning plate, a fixing component matched with the positioning groove, and a locking component, the temporary blocking component includes a blocking plate, a locking pin, and a sealing component arranged at the bottom of the box body, the upper end of the blocking plate is provided with a plurality of positioning holes, the upper end of the box body is provided with a locking plate, and the locking plate is provided with a locking hole matched with the positioning hole. The utility model simplifies the difficulty of replacing the filter screen and improves the convenience of using the sewage treatment equipment. The sewage treatment equipment includes a handle and a locking block hinged on the handle, the locking block can be folded so that it is located between the handle and the box body, so that the locking rod cannot rebound and extend into the positioning groove, thereby freely locking and releasing the fixing component. However, the handle in the fixing assembly is used to pull out the locking rod. When the handle is hinged to the locking block, it is not conducive to the force on the handle. In addition, pulling out the handle and flipping the locking block are actually two steps that need to be performed simultaneously, that is, flipping the locking block when the handle is pulled out, which is very inconvenient.

[0004] Therefore, the utility model provides a sewage treatment device with convenient filter screen replacement to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model provides a sewage treatment device with convenient filter screen replacement, aiming to solve the problems in the prior art that the existing device is not conducive to the force of the handle, and that pulling out the handle and flipping the locking block are actually two steps that need to be performed simultaneously, which is very inconvenient.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewage treatment equipment with convenient replacement of filter screen, comprising a clean water tank body, a dosing port arranged at the top of the clean water tank body, a water inlet arranged at the top of the clean water tank body corresponding to the dosing port on one side, a motor fixedly arranged at the top of the clean water tank body, an agitator fixedly connected to the output end of the motor and extending into the clean water tank body, a water outlet pipe arranged at the bottom of the clean water tank body and having a solenoid valve, a fixing plate plugged into the top of the clean water tank body, a filter screen fixedly arranged at the bottom of the fixing plate, a limit plate fixedly arranged in the clean water tank body and in contact with the filter screen, and a limit port opened on the fixing plate. A fixing mechanism is provided on the side of the fixing plate away from the agitator, and the fixing mechanism includes a U-shaped fixing frame fixedly provided on the inner wall of the water purification tank body and a locking rod provided in the fixing frame, and the locking rod includes a sleeve rod rotatably connected to the inner wall of the water purification tank body, an inner rod slidably inserted in the sleeve rod, and a support spring is provided in the inner cavity of the sleeve rod, and the two ends of the support spring are respectively fixedly provided inside the sleeve rod and on one end of the inner rod, and the end of the inner rod away from the inner wall of the water purification tank body passes through the fixing frame and the end is a beveled surface, and the end of the sleeve rod away from the fixing plate passes through the inner wall of the water purification tank body and is fixedly connected with an adjusting knob. During normal operation, the beveled surface of the end of the inner rod faces upwards, and the inner rod clamps the limit opening to prevent the fixing plate from moving upwards. When the filter needs to be replaced, turn the adjustment knob, which drives the sleeve rod to rotate, and the sleeve rod drives the inner rod to rotate until the beveled surface of the inner rod end faces downward. At this time, pull handle B to move the fixed plate upward, the limit port moves upward, the limit port contacts and squeezes the beveled surface, and the inner rod is compressed by the support spring to move away from the fixed plate. The fixed plate continues to move upward, driving the filter to be pulled out of the water purification tank. When the replaced filter is installed in the water purification tank, turn the adjustment knob to make the beveled surface of the inner rod end face upward, the filter does not contact the inner rod, and the fixed plate squeezes the inner rod until the inner rod end is stuck in the limit port, and the replacement is completed.

[0009] Preferably, an elastic mechanism is provided in the fixed frame, and the elastic mechanism includes a plurality of side plates fixedly provided on the side walls of the fixed frame, a second elastic member fixedly provided inside the adjacent side plates, and a support plate moving closer to or away from the sleeve rod in the adjacent side plates, a protruding strip is provided on the side of the support plate close to the sleeve rod, and a notch matching the protruding strip is provided on the outer wall of the sleeve rod. After the chamfer has been rotated to a suitable position, in order to prevent the adjustment knob and the positioning rod from rotating freely or accidentally touching the adjustment knob, changing the direction of the chamfer, and affecting the normal replacement of the filter screen, an elastic mechanism is provided. The support spring in the side plate always exerts a force on the support plate toward the sleeve rod, and when the chamfer at the end of the inner rod rotates to face upward or downward, the protruding strip at the bottom of the support plate is stuck on the notch on the outer wall of the sleeve rod, so as to simply fix the sleeve rod so that the sleeve rod will not rotate easily under non-human action. When the direction of the beveled surface needs to be changed, the adjusting knob only needs to be slightly turned, and the notch on the outer wall of the sleeve rod rotates and is misaligned with the protruding strip, and the adjusting knob continues to drive the locking rod to rotate normally.

[0010] Preferably, there are two groups of side panels, which are symmetrically arranged with the locking rod as the center, and each group of side panels is no less than two.

[0011] Preferably, the elastic member is a spring, and two ends of the spring are respectively fixedly disposed on the fixed frame and the support plate.

[0012] Preferably, there are two fixed frames and the positioning rods arranged inside them, which are distributed at both ends of the limiting opening. The two sleeve rods are driven by belts, and a balance plate is fixedly arranged in the fixed frame where the elastic mechanism is not arranged, and the balance plate is slidably sleeved on the inner rod. A single fixing mechanism may not be very stable when fixing the fixed plate, especially when the fixing mechanism is not in the center of the fixed plate, which may cause the fixed plate to tilt, thereby tilting the filter screen at the bottom of the fixed plate, affecting the airtightness of the bottom of the filter screen and impairing the function of the filter screen. By arranging fixed frames at both ends of the limiting opening, it is beneficial to stabilize the fixed plate. By connecting the two sleeve rods through belt drive, the two positioning rods can be operated simultaneously and the two positioning rods can be in the same state.

[0013] Preferably, a sewage discharge mechanism is provided in the water purification tank body on the side of the filter away from the limit plate, the sewage discharge mechanism includes a sewage discharge trough slidably connected to the bottom of the water purification tank body, a threaded cover rotatably connected to one end of the sewage discharge trough, and a handle A fixedly connected to the threaded cover. A sewage discharge port connected to the outside is provided on the side wall of the water purification tank body corresponding to the position of the threaded cover, the sewage discharge port is threadedly connected to the threaded cover, the bottom of the water purification tank body is located on the side of the sewage discharge trough close to the agitator and is flush with the top of the sewage discharge trough, and the bottom of the water purification tank body is located on the side of the sewage discharge trough away from the agitator and is flush with the bottom of the sewage discharge trough. The bottom heights of the water purification tank body on both sides of the sewage discharge trough are different, which is conducive to sewage flowing from a high place through the filter to a low place and being discharged through the outlet pipe. During normal use, impurities in the sewage will be blocked by the filter when they come into contact with the filter and fall into the drain tank. When a large amount of impurities accumulate in the drain tank and need to be cleaned, turn the threaded cover, open the drain mechanism, and pull handle A to pull out the drain tank. After cleaning, reinstall it in the water purification tank and turn the threaded cover to seal the drain outlet.

[0014] (III) Beneficial effects

[0015] The sewage treatment device drives the sleeve rod to rotate by turning the adjusting knob, drives the inner rod to rotate, thereby controlling the direction of the beveled surface of the inner rod end, thereby controlling the fixing plate to be drawn out or into the water purification tank. Compared with the prior art in which the handle is drawn out and the locking block is turned over at the same time, the rotation only requires one step and is more labor-saving and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall elevation view of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the fixing mechanism of the utility model;

[0019] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0020] Figure 5 This is a schematic diagram of the interior of the sleeve rod of the utility model;

[0021] Figure 6 It is a cross-sectional schematic diagram of the fixing mechanism and the elastic mechanism of the utility model.

[0022] In the figure: 1. water purification tank; 2. dosing port; 3. water inlet; 4. motor; 41. agitator; 5. sewage discharge mechanism; 51. sewage trough; 52. threaded cover; 53. handle A; 61. fixing plate; 62. filter screen; 63. handle B; 64. limit plate; 65. limit port; 7. fixing mechanism; 71. fixing frame; 72. positioning rod; 721. sleeve rod; 722. inner rod; 723. support spring; 73. elastic mechanism; 731. side plate; 732. elastic member; 733. support plate; 734. protruding strip; 74. belt; 75. balance plate; 76. adjustment knob; 8. water outlet pipe; 9. solenoid valve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides a sewage treatment device which is convenient for replacing the filter screen. Figures 1 to 5 , including a clean water tank body 1, a dosing port 2 arranged at the top of the clean water tank body 1, a water inlet 3 arranged at the top of the clean water tank body 1 on one side of the dosing port 2, a motor 4 fixedly arranged at the top of the clean water tank body 1, a stirrer 41 fixedly connected to the output end of the motor 4 and extending into the clean water tank body 1, a water outlet pipe 8 arranged at the bottom of the clean water tank body 1 and having a solenoid valve 9, a fixing plate 61 inserted at the top of the clean water tank body 1, a filter screen 62 fixedly arranged at the bottom of the fixing plate 61, a limit plate 64 fixedly arranged in the clean water tank body 1 and in contact with the filter screen 62, and a limit port 65 opened on the fixing plate 61. The fixing plate 61 is provided with a fixing mechanism 7 on the side away from the agitator 41. The fixing mechanism 7 includes a U-shaped fixing frame 71 fixedly arranged on the inner wall of the clean water tank 1 and a positioning rod 72 arranged in the fixing frame 71. The positioning rod 72 includes a sleeve rod 721 rotatably connected to the inner wall of the clean water tank 1, an inner rod 722 slidably inserted in the sleeve rod 721, and a support spring 723 is provided in the inner cavity of the sleeve rod 721. The two ends of the support spring 723 are respectively fixed inside the sleeve rod 721 and on one end of the inner rod 722. The end of the inner rod 722 away from the inner wall of the clean water tank 1 penetrates the fixing frame 71 and the end is a beveled surface. The end of the sleeve rod 721 away from the fixing plate 61 penetrates the inner wall of the clean water tank 1 and is fixedly connected with an adjusting knob 76. When working normally, the beveled surface of the end of the inner rod 722 faces upward, and the inner rod 722 blocks the limit opening 65 to prevent the fixing plate 61 from moving upward.

[0025] When the filter 62 needs to be replaced, the adjusting knob 76 is rotated, and the adjusting knob 76 drives the sleeve rod 721 to rotate, and the sleeve rod 721 drives the inner rod 722 to rotate until the chamfered surface of the end of the inner rod 722 faces downward, at this time, the handle B63 is pulled to move the fixing plate 61 upward, the limit opening 65 moves upward, the limit opening 65 contacts and squeezes the chamfered surface, and the inner rod 722 is forced to compress the support spring 723 to move away from the fixing plate 61, and the fixing plate 61 continues to move upward, driving the filter 62 to be pulled out of the clean water tank 1. When the replaced filter 62 is installed in the clean water tank 1, the adjusting knob 76 is rotated to make the chamfered surface of the end of the inner rod 722 face upward, the filter 62 does not contact the inner rod 722, and the fixing plate 61 squeezes the inner rod 722 until the end of the inner rod 722 is stuck in the limit opening 65, and the replacement is completed.

[0026] Further, see Figures 4 to 6 The fixed frame 71 is provided with an elastic mechanism 73, which includes a plurality of side plates 731 fixedly provided on the side walls of the fixed frame 71, a second elastic member 732 fixedly provided inside the adjacent side plates 731, and a support plate 733 that moves closer to or away from the sleeve rod 721 in the adjacent side plates 731, and a protruding strip 734 is provided on the side of the support plate 733 close to the sleeve rod 721, and a notch that matches the protruding strip 734 is provided on the outer wall of the sleeve rod 721. After the chamfer has been rotated to a suitable position, the elastic mechanism 73 is provided to prevent the adjusting knob 76 and the locking rod 72 from rotating freely or accidentally touching the adjusting knob 76, changing the direction of the chamfer, and affecting the normal replacement of the filter screen 62. The support spring 723 in the side plate 731 always exerts a force on the support plate 733 toward the sleeve rod 721. When the chamfered surface at the end of the inner rod 722 rotates to face upward or downward, the protruding strip 734 at the bottom of the support plate 733 is stuck on the notch on the outer wall of the sleeve rod 721 to simply fix the sleeve rod 721 so that the sleeve rod 721 will not rotate easily under non-human action. When the direction of the chamfered surface needs to be changed, the adjustment knob 76 only needs to be slightly turned with force, and the notch on the outer wall of the sleeve rod 721 rotates to be misaligned with the protruding strip 734, and the adjustment knob 76 continues to drive the locking rod 72 to rotate normally.

[0027] It should be noted that, refer to Figures 4 to 6 There are two groups of side panels 731 which are symmetrically arranged with the locking rod 72 as the center, and each group of side panels 731 has no less than two.

[0028] Among them, refer to Figure 5 The elastic member 732 is a spring, and two ends of the spring are respectively fixed on the fixing frame 71 and the supporting plate 733 .

[0029] Further, see Figures 4 to 6 There are two fixed frames 71 and the positioning rods 72 arranged therein, which are distributed at both ends of the limit opening 65. The two sleeve rods 721 are driven by belts 74. A balance plate 75 is fixedly arranged in the fixed frame 71 where the elastic mechanism 73 is not arranged. The balance plate 75 is slidably sleeved on the inner rod 722. A single fixing mechanism 7 may not be very stable to fix the fixed plate 61. Especially when the fixing mechanism 7 is not at the center of the fixed plate 61, the fixed plate 61 may be tilted, so that the filter screen 62 at the bottom of the fixed plate 61 may be tilted, affecting the airtightness of the bottom of the filter screen 62 and impairing the function of the filter screen 62. By setting the fixed frames 71 at both ends of the limit opening 65, it is beneficial to stabilize the fixed plate 61. By connecting the two sleeve rods 721 through the belt 74, the two positioning rods 72 can be operated at the same time and the two positioning rods 72 are in the same state.

[0030] Further, refer to Figure 2 , a sewage discharge mechanism 5 is provided in the water purification tank 1 on the side of the filter 62 away from the limit plate 64, the sewage discharge mechanism 5 includes a sewage discharge groove 51 slidably connected to the bottom of the water purification tank 1, a threaded cover 52 rotatably connected to one end of the sewage discharge groove 51, and a handle A53 fixedly connected to the threaded cover 52, a sewage discharge port connected to the outside is provided on the side wall of the water purification tank 1 corresponding to the position of the threaded cover 52, the sewage discharge port is threadedly connected to the threaded cover 52, the bottom of the water purification tank 1 is located on the side of the sewage discharge groove 51 close to the agitator 41 and is flush with the top of the sewage discharge groove 51, and the bottom of the water purification tank 1 is located on the side of the sewage discharge groove 51 away from the agitator 41 and is flush with the bottom of the sewage discharge groove 51. The bottom heights of the water purification tank 1 on both sides of the sewage discharge groove 51 are different, which is conducive to the sewage flowing from a high place to a low place through the filter 62 and being discharged through the outlet pipe 8. During normal use, impurities in the sewage will be blocked by the filter screen 62 when they come into contact with the filter screen 62 and fall into the drain trough 51. When a large amount of impurities accumulate in the drain trough 51 and need to be cleaned, turn the threaded cover 52, open the drain mechanism 5, and pull the handle A53 to pull out the drain trough 51. After cleaning, reinstall it into the water purification tank 1, and turn the threaded cover 52 to seal the drain outlet.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sewage treatment device for conveniently replacing a filter screen, comprising a clean water tank (1), a dosing port (2) arranged at the top of the clean water tank (1), a water inlet (3) arranged at the top of the clean water tank (1) on one side corresponding to the dosing port (2), a motor (4) fixedly arranged at the top of the clean water tank (1), an agitator (41) fixedly connected to the output end of the motor (4) and extending into the clean water tank (1), a water outlet pipe (8) arranged at the bottom of the clean water tank (1) and having a solenoid valve (9), a fixing plate (61) plugged into the top of the clean water tank (1), a filter screen (62) fixedly arranged at the bottom of the fixing plate (61), a limit plate (64) fixedly arranged in the clean water tank (1) and in contact with the filter screen (62), and a limit port provided on the fixing plate (61); Features: A fixing mechanism (7) is provided on the side of the fixing plate (61) away from the agitator (41), the fixing mechanism (7) comprising a U-shaped fixing frame (71) fixedly arranged on the inner wall of the water purification tank (1) and a locking rod (72) arranged in the fixing frame (71), the locking rod (72) comprising a sleeve rod (721) rotatably connected to the inner wall of the water purification tank (1), and an inner rod (722) slidably inserted in the sleeve rod (721), the fixing plate (61) comprising a U-shaped fixing frame (71) fixedly arranged on the inner wall of the water purification tank (1), and a locking rod (722) slidably inserted in the sleeve rod (721). A support spring (723) is provided in the inner cavity of the sleeve rod (721), and the two ends of the support spring (723) are respectively fixedly arranged inside the sleeve rod (721) and on one end of the inner rod (722); the end of the inner rod (722) away from the inner wall of the water purification tank body (1) passes through the fixed frame (71) and the end thereof is a beveled surface; the end of the sleeve rod (721) away from the fixed plate (61) passes through the inner wall of the water purification tank body (1) and is fixedly connected to an adjusting knob (76).

2. The sewage treatment equipment with convenient filter screen replacement according to claim 1 is characterized in that: An elastic mechanism (73) is arranged in the fixed frame (71), and the elastic mechanism (73) comprises a plurality of side plates (731) fixedly arranged on the side walls of the fixed frame (71), a second elastic member (732) fixedly arranged inside an adjacent side plate (731), and a support plate (733) that moves closer to or away from the sleeve rod (721) in the adjacent side plate (731), and a protruding strip (734) is arranged on one side of the support plate (733) close to the sleeve rod (721), and a notch that matches the protruding strip (734) is opened on the outer wall of the sleeve rod (721).

3. The sewage treatment equipment with convenient filter screen replacement according to claim 2 is characterized in that: There are two groups of side panels (731) which are symmetrically arranged with the locking rod (72) as the center, and each group of side panels (731) has no less than two.

4. The sewage treatment equipment with convenient filter screen replacement according to claim 2 is characterized in that: The elastic member is a spring, and two ends of the spring are respectively fixedly arranged on the fixed frame (71) and the support plate (733).

5. The sewage treatment equipment with convenient filter screen replacement according to claim 2 is characterized in that: The fixed frame (71) and the locking rods (72) arranged therein are two in total and are distributed at both ends of the limiting opening (65). The two sleeve rods (721) are driven by belts (74). A balance plate (75) is fixedly arranged in the fixed frame (71) where the elastic mechanism (73) is not arranged. The balance plate (75) is slidably sleeved on the inner rod (722).

6. The sewage treatment equipment with convenient filter screen replacement according to claim 1 is characterized in that: A sewage discharge mechanism (5) is provided in the water purification box (1) at a side of the filter (62) away from the limiting plate (64), the sewage discharge mechanism (5) comprising a sewage discharge groove (51) slidably connected to the bottom of the water purification box (1), a threaded cover (52) rotatably connected to one end of the sewage discharge groove (51), and a handle A (53) fixedly connected to the threaded cover (52); a sewage discharge port communicating with the outside is provided on the side wall of the water purification box (1) at a position corresponding to the threaded cover (52); the sewage discharge port is threadedly connected to the threaded cover (52); the bottom of the water purification box (1) is located on a side of the sewage discharge groove (51) close to the agitator (41) and is flush with the top of the sewage discharge groove (51); the bottom of the water purification box (1) is located on a side of the sewage discharge groove (51) away from the agitator (41) and is flush with the bottom of the sewage discharge groove (51).

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