Sewage collecting tank

Abstract

The utility model relates to a sewage collection tank. The sewage collection tank comprises a tank cover, a tank body and a filter screen assembly, a cavity is formed in the tank body, an open end communicated with the cavity is formed at the upper end of the tank body, a liquid inlet and a liquid outlet which are communicated with the cavity are formed in the tank body, the liquid inlet is located above the liquid outlet, the liquid inlet is used for allowing liquid to flow into the cavity, a first mounting ring is arranged on the inner wall of the tank body, and a first locking part is arranged on the first mounting ring; the tank cover is movably connected to the tank body and can seal or expose the open end; the filter screen assembly comprises a filter screen and a second mounting ring connected with the filter screen, the filter screen is located between the liquid inlet and the liquid outlet, and a second locking part is arranged on the second mounting ring. Wherein the second locking part can be connected with or separated from the first locking part in the process that the second mounting ring rotates relative to the first mounting ring, so that the second mounting ring can be locked to the first mounting ring or separated from the first mounting ring. The sewage collection tank can shorten the disassembly and assembly time of the filter screen and simplify the disassembly and assembly process of the filter screen.

Description

Technical Field

[0001] The present disclosure relates to the technical field of filtering equipment, and in particular to a sewage collecting tank. Background Art

[0002] The sewage collection tank is a device used to filter and collect impurities in water, and is widely used in industries such as construction, agriculture, and energy. For example, in the circulating water cooling system of the condenser of thermal power generation, in order to reduce the impurities contained in the circulating water, the circulating water needs to be filtered through the filter in the sewage collection tank. In order to maintain the filtering effect of the filter on the circulating water, the impurities blocked on the filter need to be cleaned for a long time. In the related technology, the filter is generally fixed in the sewage collection tank by multiple bolts. In the process of cleaning the filter, it is necessary to remove multiple bolts in sequence before removing the filter. After the filter is cleaned, it is necessary to reinstall multiple bolts. The disassembly and assembly process of the filter is relatively complicated and time-consuming. Utility Model Content

[0003] The purpose of the present invention is to provide a sewage collection tank to solve the problems existing in the related art.

[0004] In order to achieve the above object, the present disclosure provides a waste collection tank, comprising:

[0005] A tank body, a chamber is formed inside and an open end is formed at the upper end thereof and is communicated with the chamber; a liquid inlet and a liquid outlet are formed on the tank body and are communicated with the chamber; the liquid inlet is located above the liquid outlet and is used for liquid to flow into the chamber; a first mounting ring is provided on the inner wall of the tank body, and a first locking portion is provided on the first mounting ring;

[0006] A can cover, movably connected to the can body and capable of closing or exposing the open end;

[0007] A filter assembly, comprising a filter and a second mounting ring connected to the filter, wherein the filter is located between the liquid inlet and the liquid outlet, and a second locking portion is provided on the second mounting ring;

[0008] The second locking portion can engage with or disengage from the first locking portion during the rotation of the second mounting ring relative to the first mounting ring, so that the second mounting ring can be locked to the first mounting ring or separated from the first mounting ring.

[0009] Optionally, the second locking portion includes a first locking block and a second locking block connected to each other, the first locking block is located between the second locking block and the second mounting ring, the first locking block and the second locking block both extend along the circumference of the second mounting ring, and the second locking block protrudes from the first locking block along the radial direction of the second mounting ring;

[0010] The first locking portion comprises a locking groove, the locking groove extends along the circumference of the first mounting ring, and the first mounting ring is further formed with an insertion groove communicating with the locking groove;

[0011] Among them, the first locking block and the second locking block can both be inserted into the insertion groove along the axial direction of the tank body, and when the second mounting ring rotates relative to the first mounting ring, the first locking block can be stuck in the locking groove, and the second locking block abuts against the first mounting ring, so that the second mounting ring is locked to the first mounting ring.

[0012] Optionally, the locking groove includes a first locking groove and a second locking groove which are interconnected, the second locking groove protruding out of the first locking groove in the radial direction of the second mounting ring, the first locking groove is used for the first locking block to be snapped into, the second locking groove is used for the second locking block to be snapped into, and the top wall of the second locking groove can stop the second locking block.

[0013] Optionally, the second locking block and the first locking block form an inverted T-shape, and the second locking groove and the first locking groove form an inverted T-shape.

[0014] Optionally, the top wall of the second locking groove is set as a first guide slope extending obliquely downward, and the top surface of the second locking block is set as a second guide slope extending obliquely downward, and along the insertion direction of the second locking block into the second locking groove, the height of the first guide slope and the height of the second guide slope gradually decrease.

[0015] Optionally, a plurality of locking grooves are provided along the circumference of the first mounting ring, a plurality of insertion grooves are provided along the circumference of the first mounting ring, a plurality of the insertion grooves are provided in a one-to-one correspondence with a plurality of the locking grooves, and a plurality of the second locking portions are provided along the circumference of the second mounting ring;

[0016] The second locking portion also includes a mounting rod, which extends axially along the second mounting ring. A positioning hole is formed on the second mounting ring. One end of the mounting rod is connected to the positioning hole, and the other end of the mounting rod is connected to the first locking block.

[0017] Optionally, the filter assembly further includes a support frame, the support frame includes a plurality of intersecting support rods, each of the support rods radially extends along the second mounting ring and abuts against the filter to prop open the filter.

[0018] Optionally, the sewage collecting tank further comprises a movable bolt, a positioning member and a fastening nut, wherein the movable bolt comprises a first screw rod and an eyelet, wherein the eyelet is formed at one end of the first screw rod;

[0019] The tank body is provided with a plurality of first ear plate groups at intervals along the circumference of the tank body, each of the first ear plate groups includes two first lugs arranged at intervals along the circumference of the tank body, a positioning hole penetrating the first lug is formed on the first lug, the eyelet is located between the two first lugs and is aligned with the positioning holes on the two first lugs, and the positioning member is passed through the eyelet and the positioning hole to connect the articulated bolt to the first ear plate group;

[0020] The tank cover is provided with a plurality of second ear plate groups at intervals along the circumference of the tank cover, the plurality of second ear plate groups are arranged one-to-one with the plurality of first ear plate groups, each of the second ear plate groups can be aligned with the corresponding first ear plate group along the axial direction of the tank body, and each of the second ear plate groups includes two second lugs arranged at intervals along the circumference of the tank cover;

[0021] The first screw can be rotated around the axis of the positioning member through the hole and is located between the two second lugs of the second lug plate group. The first screw can extend from the two second lugs along the axial direction of the tank body and be connected to the fastening nut to make the tank cover close to the tank body.

[0022] Optionally, the dirt collecting tank further comprises a support arm and a second screw;

[0023] The first end of the support arm is rotatably connected to the tank body, and the rotation axis of the support arm is parallel to the axial direction of the tank body. The second end of the support arm is formed with a threaded hole, and the threaded hole extends along the axial direction of the tank body.

[0024] The second screw is threadedly connected to the threaded hole, one end of the second screw is provided with a manipulation portion, and the other end of the second screw is circumferentially rotatable and axially lockedly connected to the tank cover.

[0025] Optionally, the sewage collecting tank further comprises a stroke sensor and a display electrically connected to the stroke sensor, the stroke sensor is arranged on the tank body, a pressing plate is arranged on the tank cover, the pressing plate is used to abut against the detection end of the stroke sensor, and the stroke sensor is electrically connected to the display.

[0026] Through the above technical solution, when the filter in the tank needs to be disassembled and cleaned, the second locking portion can be disengaged from the first locking portion through the relative rotation of the second mounting ring and the first mounting ring, so that the second mounting ring can be disengaged from the first mounting ring, so that the filter can be quickly disassembled and the filter can be taken out from the open end for cleaning; after the filter is cleaned, the filter is placed in the tank from the open end, and the second mounting ring is rotated relative to the first mounting ring, so that the second locking portion cooperates with the first locking portion and engages with the first locking portion, so that the filter can be quickly installed. Therefore, through the sewage collection tank provided by the present disclosure, the time for disassembling and assembling the filter can be shortened, and the disassembling and assembling process of the filter can be simplified.

[0027] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0029] Figure 1 is a perspective view of a waste collection tank provided in an exemplary embodiment of the present disclosure;

[0030] Figure 2 yes Figure 1 A magnified view of part A;

[0031] Figure 3 is a perspective view of a swing bolt of a waste collection tank provided in an exemplary embodiment of the present disclosure;

[0032] Figure 4 is a cross-sectional view of a waste collection tank provided in an exemplary embodiment of the present disclosure;

[0033] Figure 5 is a top view of a tank body of a sewage collecting tank provided in an exemplary embodiment of the present disclosure;

[0034] Figure 6 yes Figure 5 A magnified view of part B;

[0035] Figure 7 is a perspective view of a filter assembly of a waste collection tank provided in an exemplary embodiment of the present disclosure;

[0036] Figure 8 It is a stereoscopic view of a second locking portion of a sewage collecting tank provided in an exemplary embodiment of the present disclosure.

[0037] Description of Reference Numerals

[0038] 1. Tank cover; 2. Tank body; 3. Filter assembly; 301. Filter; 302. Second mounting ring; 4. Chamber; 5. Open end; 6. Liquid inlet; 7. Liquid outlet; 8. First mounting ring; 9. First locking portion; 901. Locking groove; 10. Second locking portion; 1001. First locking block; 1002. Second locking block; 11. Insertion groove; 12. Second guide slope; 13. Mounting rod; 14. Support frame; 1401. Support rod; 15. Articulated bolt; 1501. First screw rod; 1502. Eyelet; 16. Positioning member; 17. Fastening nut; 18. First ear plate group; 1801. First lug; 19. Second ear plate group; 1901. Second lug; 20. Support arm; 21. Second screw rod; 22. Operating portion; 23. Travel sensor; 24. Display; 25. Pressing piece. DETAILED DESCRIPTION

[0039] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0040] In the present disclosure, unless otherwise stated, the directions or positional relationships indicated by the directional words such as "upper", "lower", "top", "bottom", etc. are defined based on the normal use state of the sewage collection tank, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific directional structure and operation, and therefore cannot be understood as a limitation of the present disclosure. "Inside" and "outside" refer to the inside and outside of the corresponding component contours. The terms "first", "second", etc. are used for the purpose of distinguishing different components and do not have order and importance. In addition, in the following description, when referring to the drawings, unless otherwise explained, the same figure numbers in different drawings represent the same or similar elements.

[0041] like Figures 1 to 8As shown, the present disclosure provides a sewage collecting tank, including a tank cover 1, a tank body 2 and a filter assembly 3. A chamber 4 is formed inside the tank body 2 and an open end 5 connected to the chamber 4 is formed at the upper end. A liquid inlet 6 and a liquid outlet 7 connected to the chamber 4 are formed on the tank body 2. The liquid inlet 6 is located above the liquid outlet 7. The liquid inlet 6 is used for liquid to flow into the chamber 4. A first mounting ring 8 is provided on the inner wall of the tank body 2, and a first locking portion 9 is provided on the first mounting ring 8. The tank cover 1 is movably connected to the tank body 2 and can close or expose the open end 5. The filter assembly 3 includes a filter 301 and a second mounting ring 302 connected to the filter 301. The filter 301 is located between the liquid inlet 6 and the liquid outlet 7. The second mounting ring 302 is provided with a second locking portion 10. The second locking portion 10 can engage with or disengage from the first locking portion 9 when the second mounting ring 302 rotates relative to the first mounting ring 8 , so that the second mounting ring 302 can be locked to or separated from the first mounting ring 8 .

[0042] Through the above technical solution, when it is necessary to disassemble and clean the filter screen 301 in the tank body 2, the second locking portion 10 can be disengaged from the first locking portion 9 through the relative rotation of the second mounting ring 302 and the first mounting ring 8, so that the second mounting ring 302 can be disengaged from the first mounting ring 8, so that the filter screen 301 can be quickly disassembled, and the filter screen 301 can be taken out from the open end 5 for cleaning; after the cleaning of the filter screen 301 is completed, the filter screen 301 is placed into the tank body 2 from the open end 5, and the second mounting ring 302 is rotated relative to the first mounting ring 8, so that the second locking portion 10 cooperates with the first locking portion 9 and engages with the first locking portion 9, so that the filter screen 301 can be quickly installed. Therefore, through the sewage collection tank provided by the present disclosure, the disassembly and assembly time of the filter screen 301 can be shortened, and the disassembly and assembly process of the filter screen 301 can be simplified.

[0043] In order to enable the second locking portion 10 to engage with or disengage from the first locking portion 9 during the rotation of the second mounting ring 302 relative to the first mounting ring 8, in one embodiment provided in the present disclosure, an internal thread is provided on the inner circumferential surface of the first mounting ring 8, and an external thread is provided on the outer circumferential surface of the second mounting ring 302, so that the second mounting ring 302 can be threadedly connected to the first mounting ring 8 by rotating the second mounting ring 302 relative to the first mounting ring 8.

[0044] In another embodiment provided by the present disclosure, the second locking portion 10 may include a first locking block 1001 and a second locking block 1002 connected to each other, the first locking block 1001 is located between the second locking block 1002 and the second mounting ring 302, the first locking block 1001 and the second locking block 1002 both extend along the circumference of the second mounting ring 302, and the second locking block 1002 protrudes from the first locking block 1001 along the radial direction of the second mounting ring 302. The first locking portion 9 includes a locking groove 901, the locking groove 901 extends along the circumference of the first mounting ring 8, and the first mounting ring 8 is also formed with an insertion groove 11 connected to the locking groove 901. Among them, the first locking block 1001 and the second locking block 1002 can both be inserted into the insertion groove 11 along the axial direction of the tank body 2. During the rotation of the second mounting ring 302 relative to the first mounting ring 8, the first locking block 1001 can be inserted into the locking groove 901, and the second locking block 1002 abuts against the first mounting ring 8, so that the second mounting ring 302 is locked to the first mounting ring 8.

[0045] Therefore, during the installation of the filter screen 301, the first locking block 1001 and the second locking block 1002 can be inserted into the insertion groove 11 along the axial direction of the tank body 2, and then the second mounting ring 302 can be rotated relative to the first mounting ring 8, so that the first locking block 1001 is inserted into the locking groove 901, and the second locking block 1002 is abutted against the first mounting ring 8, so that the second mounting ring 302 can be locked to the first mounting ring 8, thereby realizing the installation of the filter screen 301; During the disassembly process of the filter screen 301, the second mounting ring 302 is rotated relative to the first mounting ring 8 (which is opposite to the rotation direction of the second mounting ring 302 relative to the first mounting ring 8 during the installation process of the filter screen 301), so that the second locking block 1002 is disengaged from the first mounting ring 8, and the first locking block 1001 is rotated out of the locking groove 901, and then the first locking block 1001 and the second locking block 1002 are inserted into the insertion groove 11 along the axial direction of the tank body 2 to realize the disassembly of the filter screen 301.

[0046] In the present disclosure, there is no limitation on the position where the second locking block 1002 abuts against the first mounting ring 8. It is only required that after the second locking block 1002 abuts against the first mounting ring 8, the second mounting ring 302 can be locked to the first mounting ring 8. In some embodiments, the insertion groove 11 completely penetrates the first mounting ring 8 along the axial direction of the tank body 2, and the second locking block 1002 can completely pass through the insertion groove 11 along the axial direction of the tank body 2. During the rotation of the second mounting ring 302 relative to the first mounting ring 8, the first locking block 1001 can be inserted into the locking groove 901, and the second locking block 1002 abuts against the bottom surface of the first mounting ring 8, so that the second mounting ring 302 is locked to the first mounting ring 8, so as to achieve rapid installation of the filter screen 301.

[0047] In other embodiments, the locking groove 901 may include a first locking groove and a second locking groove that are interconnected, the second locking groove protruding from the first locking groove along the radial direction of the second mounting ring 302, the first locking groove is used for the first locking block 1001 to be snapped into, the second locking groove is used for the second locking block 1002 to be snapped into, and the top wall of the second locking groove can stop the second locking block 1002, so that the second mounting ring 302 can be limited in the axial direction of the tank body 2, so that the second mounting ring 302 is locked to the first mounting ring 8, thereby realizing the quick installation of the filter 301.

[0048] In the present disclosure, the shape formed by the second locking block 1002 and the second locking block 1002 and the second locking groove and the first locking groove is not limited. It is only necessary that the second locking block 1002 protrudes from the first locking block 1001 along the radial direction of the second mounting ring 302, and the first locking block 1001 can be inserted into the locking groove 901, and the second locking block 1002 abuts against the first mounting ring 8. In some embodiments, the second locking block 1002 and the second locking block 1002 can form an L shape, and the second locking groove and the first locking groove can also form an L shape. In other embodiments, the second locking block 1002 and the first locking block 1001 can form an inverted T shape, and the second locking groove and the first locking groove can form an inverted T shape.

[0049] Optionally, the top wall of the second locking groove is configured as a first guiding slope extending obliquely downward, and the top surface of the second locking block 1002 is configured as a second guiding slope 12 extending obliquely downward, and along the insertion direction of the second locking block 1002 into the second locking groove, the height of the first guiding slope and the height of the second guiding slope 12 are gradually reduced. With such a configuration, during the installation process of the filter 301, the second mounting ring 302 rotates relative to the first mounting ring 8, and the second guiding slope 12 cooperates with the first guiding slope, so that the second locking block 1002 is inserted into the second locking groove, and the filter 301 is further quickly installed.

[0050] In order to improve the stability of the filter 301 after installation, optionally, a plurality of locking grooves 901 are arranged along the circumference of the first mounting ring 8, a plurality of insertion grooves 11 are arranged along the circumference of the first mounting ring 8, the plurality of insertion grooves 11 are arranged one-to-one correspondingly to the plurality of locking grooves 901, and a plurality of second locking portions 10 are arranged along the circumference of the second mounting ring 302. During the installation of the filter 301, each second locking portion 10 passes through the corresponding insertion groove 11 and is locked in the locking groove 901 to improve the stability of the filter 301 during use and improve the impact resistance of the filter 301.

[0051] In addition, in order to facilitate the correspondence between the positions of the multiple second locking portions 10 arranged on the second mounting ring 302 and the multiple locking grooves 901 and the insertion grooves 11 arranged on the first mounting ring 8, optionally, the second locking portion 10 also includes a mounting rod 13, which extends along the axial direction of the second mounting ring 302, and a positioning hole is formed on the second mounting ring 302, one end of the mounting rod 13 is connected to the positioning hole, and the other end of the mounting rod 13 is connected to the first locking block 1001, thereby, according to the position of the insertion groove 11 and the locking groove 901 on the first mounting ring 8 corresponding to the positioning hole is opened on the second mounting ring 302, so as to facilitate the second locking portion 10 to be installed at the corresponding positioning hole position through the mounting rod 13, so as to facilitate the corresponding cooperation between the multiple second locking portions 10 and the multiple locking grooves 901 and the insertion grooves 11.

[0052] Optionally, the filter assembly 3 further includes a support frame 14, which includes a plurality of intersecting support rods 1401, each of which extends radially along the second mounting ring 302 and abuts against the filter 301 to prop up the filter 301. The support rods 1401 can not only prop up the filter 301, but also facilitate the filter 301 to filter the liquid better. In addition, the support rods 1401 also have the function of a handle, so that the operator can lift, lower and rotate the filter assembly 3. In some embodiments, the plurality of support rods 1401 intersect at the center of the second mounting ring 302.

[0053] In order to facilitate the quick disassembly of the tank cover 1, so as to realize the quick installation and removal of the filter screen 301, the sewage collecting tank optionally further comprises a hinge bolt 15, a positioning member 16 and a fastening nut 17. The hinge bolt 15 comprises a first screw rod 1501 and an eyelet 1502, and the eyelet 1502 is formed at one end of the first screw rod 1501. The tank body 2 is provided with a plurality of first ear plate groups 18 at intervals along the circumference of the tank body 2, and each first ear plate group 18 comprises two first lugs 1801 arranged at intervals along the circumference of the tank body 2, and a positioning hole penetrating the first lug 1801 is formed on the first lug 1801, and the eyelet 1502 is located between the two first lugs 1801 and aligned with the positioning holes on the two first lugs 1801, and the positioning member 16 is passed through the eyelet 1502 and the positioning hole to connect the hinge bolt 15 to the first ear plate group 18. The tank cover 1 is provided with a plurality of second lug plate groups 19 at intervals along the circumference of the tank cover 1. The plurality of second lug plate groups 19 are arranged one-to-one with the plurality of first lug plate groups 18. Each second lug plate group 19 can be aligned with the corresponding first lug plate group 18 along the axial direction of the tank body 2. Each second lug plate group 19 includes two second lugs 1901 arranged at intervals along the circumference of the tank cover 1. The first screw 1501 can rotate around the axis of the positioning member 16 through the hole 1502 and is located between the two second lugs 1901 of the second lug plate group 19. The first screw 1501 can extend from the two second lugs 1901 along the axial direction of the tank body 2 and be connected to the fastening nut 17, so that the tank cover 1 is pressed against the tank body 2.

[0054] During the installation of the tank cover 1, the multiple second ear plate groups 19 on the tank cover 1 are aligned one by one with the multiple first ear plate groups 18 on the tank body 2 along the axial direction of the tank body 2, and the first screw 1501 is rotated so that the first screw 1501 can enter between the two second lugs 1901 and extend out of the two lugs, and then the part of the first screw 1501 extending out of the two lugs is connected to the fastening nut 17, so that the tank cover 1 can be pressed against the tank body 2 to quickly complete the installation of the tank cover 1; during the disassembly of the tank cover 1, the fastening nut 17 is turned and the fastening nut 17 is disconnected from the first screw 1501, so that the tank cover 1 and the tank body 2 can be released from the fixed relationship, so that the tank cover 1 can be quickly removed from the tank body 2, which is convenient for the disassembly and installation of the filter 301. Since the swing bolt 15 can be connected to the tank body 2 through the positioning member 16 after the tank cover 1 is removed from the tank body 2, the problem of loss of the connecting member between the tank cover 1 and the tank body 2 can be avoided.

[0055] In some embodiments, the positioning member 16 may be a pin.

[0056] Optionally, the waste collecting tank further comprises a support arm 20 and a second screw 21. The first end of the support arm 20 is rotatably connected to the tank body 2, and the rotation axis of the support arm 20 is parallel to the axial direction of the tank body 2, and the second end of the support arm 20 is formed with a threaded hole, which extends along the axial direction of the tank body 2. The second screw 21 is threadedly connected to the threaded hole, one end of the second screw 21 is provided with a manipulation portion 22, and the other end of the second screw 21 is rotatably connected to the tank cover 1 in a circumferential direction and axially locked. After the tank cover 1 and the tank body 2 are released from the fixed relationship, when the tank cover 1 is disassembled, the second screw 21 is rotated by the operating part 22, so that the tank cover 1 can rise along the axial direction of the tank body 2, and then the tank cover 1 is rotated by the support arm 20 to remove the tank cover 1 from the tank body 2 and completely expose the open end 5 on the tank body 2, so as to facilitate the filter 301 to enter and exit the tank body 2, and the support of the filter cover by the support arm 20 saves manpower. In addition, the movable bolt 15 can be limited on the tank body 2 by the positioning member 16 and the first ear plate group 18. Compared with the direct flange connection between the tank body 2 and the tank cover 1, the loss of the connecting bolts on the flange during the installation and removal of the tank cover 1 is avoided; and when the tank cover 1 is installed, the tank cover 1 is rotated by the support arm 20, the tank cover 1 covers the open end 5, and the first ear plate group 18 and the second ear plate group 19 can be quickly aligned.

[0057] In some embodiments, the support arm 20 may be L-shaped.

[0058] In order to facilitate observation of the internal conditions of the tank body 2 and the blockage of the filter screen 301 , optionally, an observation window and a pressure relief port may be provided on the tank cover 1 .

[0059] In addition, in order to facilitate the detection of the sealing condition of the connection between the tank body 2 and the tank cover 1, that is, whether the tank cover 1 is pressing the tank body 2, optionally, the sewage collecting tank also includes a stroke sensor 23 and a display 24 electrically connected to the stroke sensor 23, the stroke sensor 23 is arranged on the tank body 2, and the tank cover 1 is provided with a pressing piece 25, the pressing piece 25 is used to abut against the detection end of the stroke sensor 23, and the stroke sensor 23 is electrically connected to the display 24. In the process of installing the tank cover 1 on the tank body 2, the pressing piece 25 moves with the tank cover 1 and can abut against the detection end of the stroke sensor 23, and the display 24 displays the displacement value of the detection end of the stroke sensor 23 under the abutment of the pressing piece 25. Here, the displacement value of the detection end of the stroke sensor 23 can be used to reflect the degree of compression at the connection between the tank cover 1 and the tank body 2, that is, the staff can judge whether the degree of compression between the connection between the tank cover 1 and the tank body 2 meets the standard by observing the reading on the display 24, thereby judging whether the tank cover 1 is pressing against the tank body 2, so as to facilitate the detection of the sealing condition at the connection between the tank body 2 and the tank cover 1.

[0060] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0061] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0062] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A sewage collection tank, characterized in that: include: A tank body, a chamber is formed inside and an open end is formed at the upper end thereof and is communicated with the chamber; a liquid inlet and a liquid outlet are formed on the tank body and are communicated with the chamber; the liquid inlet is located above the liquid outlet and is used for liquid to flow into the chamber; a first mounting ring is provided on the inner wall of the tank body, and a first locking portion is provided on the first mounting ring; A can cover, movably connected to the can body and capable of closing or exposing the open end; A filter assembly, comprising a filter and a second mounting ring connected to the filter, wherein the filter is located between the liquid inlet and the liquid outlet, and a second locking portion is provided on the second mounting ring; The second locking portion can engage with or disengage from the first locking portion during the rotation of the second mounting ring relative to the first mounting ring, so that the second mounting ring can be locked to the first mounting ring or separated from the first mounting ring.

2. The waste collection tank according to claim 1, characterized in that: The second locking portion comprises a first locking block and a second locking block connected to each other, the first locking block is located between the second locking block and the second mounting ring, the first locking block and the second locking block both extend along the circumference of the second mounting ring, and the second locking block protrudes from the first locking block along the radial direction of the second mounting ring; The first locking portion comprises a locking groove, the locking groove extends along the circumference of the first mounting ring, and the first mounting ring is further formed with an insertion groove communicating with the locking groove; Among them, the first locking block and the second locking block can both be inserted into the insertion groove along the axial direction of the tank body, and when the second mounting ring rotates relative to the first mounting ring, the first locking block can be stuck in the locking groove, and the second locking block abuts against the first mounting ring, so that the second mounting ring is locked to the first mounting ring.

3. The waste collection tank according to claim 2, characterized in that: The locking groove includes a first locking groove and a second locking groove which are interconnected, the second locking groove protruding from the first locking groove in the radial direction of the second mounting ring, the first locking groove being used for the first locking block to be snapped in, the second locking groove being used for the second locking block to be snapped in, and the top wall of the second locking groove being able to stop the second locking block.

4. The waste collection tank according to claim 3, characterized in that: The second locking block and the first locking block form an inverted T shape, and the second locking groove and the first locking groove form an inverted T shape.

5. The waste collection tank according to claim 3, characterized in that: The top wall of the second locking groove is set as a first guide slope extending obliquely downward, and the top surface of the second locking block is set as a second guide slope extending obliquely downward. Along the insertion direction of the second locking block into the second locking groove, the height of the first guide slope and the height of the second guide slope gradually decrease.

6. The waste collection tank according to claim 2, characterized in that: The locking grooves are provided in a plurality along the circumference of the first mounting ring, the insertion grooves are provided in a plurality along the circumference of the first mounting ring, the plurality of insertion grooves are provided in a one-to-one correspondence with the plurality of locking grooves, and the second locking portions are provided in a plurality along the circumference of the second mounting ring; The second locking portion also includes a mounting rod, which extends axially along the second mounting ring. A positioning hole is formed on the second mounting ring. One end of the mounting rod is connected to the positioning hole, and the other end of the mounting rod is connected to the first locking block.

7. The waste collection tank according to any one of claims 1 to 6, characterized in that: The filter assembly further includes a support frame, which includes a plurality of intersecting support rods, each of which radially extends along the second mounting ring and abuts against the filter to prop open the filter.

8. The waste collection tank according to any one of claims 1 to 6, characterized in that: The sewage collecting tank further comprises a movable bolt, a positioning member and a fastening nut, wherein the movable bolt comprises a first screw rod and an eyelet, wherein the eyelet is formed at one end of the first screw rod; The tank body is provided with a plurality of first ear plate groups at intervals along the circumference of the tank body, each of the first ear plate groups includes two first lugs arranged at intervals along the circumference of the tank body, a positioning hole penetrating the first lug is formed on the first lug, the eyelet is located between the two first lugs and is aligned with the positioning holes on the two first lugs, and the positioning member is passed through the eyelet and the positioning hole to connect the articulated bolt to the first ear plate group; The tank cover is provided with a plurality of second ear plate groups at intervals along the circumference of the tank cover, the plurality of second ear plate groups are arranged one-to-one with the plurality of first ear plate groups, each of the second ear plate groups can be aligned with the corresponding first ear plate group along the axial direction of the tank body, and each of the second ear plate groups includes two second lugs arranged at intervals along the circumference of the tank cover; Wherein, the first screw rod can rotate around the axis of the positioning member through the hole and is located between the two second lugs of the second ear plate group, and the first screw rod can extend from the two second lugs along the axial direction of the tank body and be connected to the fastening nut to make the tank cover press against the tank body.

9. The waste collection tank according to any one of claims 1 to 6, characterized in that: The waste collection tank also includes a support arm and a second screw; The first end of the support arm is rotatably connected to the tank body, and the rotation axis of the support arm is parallel to the axial direction of the tank body. The second end of the support arm is formed with a threaded hole, and the threaded hole extends along the axial direction of the tank body. The second screw is threadedly connected to the threaded hole, one end of the second screw is provided with a manipulation portion, and the other end of the second screw is circumferentially rotatable and axially lockedly connected to the tank cover.

10. The waste collection tank according to any one of claims 1 to 6, characterized in that: The dirt collecting tank also includes a stroke sensor and a display electrically connected to the stroke sensor. The stroke sensor is arranged on the tank body. A pressing piece is arranged on the tank cover. The pressing piece is used to abut against the detection end of the stroke sensor. The stroke sensor is electrically connected to the display.

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