Filter with filter element convenient to replace

Abstract

The utility model discloses a filter convenient to replace a filter element, which comprises a filter cavity and a top cover, a side plate is welded on the outer side wall of the top cover, a pressing assembly is arranged on the outer side wall of the filter cavity, the pressing assembly comprises an inner toothed plate, a clamping block, a turntable, a swing pressing plate, a matching rod, a movable rod and a clamping groove, and the movable rod is rotated through the matching of a guide boss and the clamping groove. The inner toothed plate rotates in one direction when engaged with the clamping block, then the swing pressing plate gradually presses the side plate under the cooperation of the swing pressing plate and the cooperation rod, and when pressing needs to be cancelled, the movable rod is pulled out, and then the movable rod rotates reversely to cancel pressing. The device can realize quick disassembly and assembly, and is provided with the mounting seat, the placing seat, the wave crest groove, the turbidity detection module, the square block, the matching groove and the matching head, the turbidity detection module clings to the placing seat, is pressed downwards and rotates under the matching of the matching head and the wave crest groove, then the pressing is canceled, certain rotation is performed again, and the square block is clamped in the matching groove, so that the turbidity detection module can be quickly disassembled and assembled. And the turbidity detection module monitors the filtering effect.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering, in particular to a filter which is convenient for replacing a filter element. Background Art

[0002] Nowadays, whether in production or life, there is a great demand for filtering different liquids. In production and manufacturing, raw materials are filtered to ensure product quality. In life, various liquids are filtered more, and filter elements are generally used for filtration. For example, most related equipment such as water dispensers use this method for filtration. The filter element needs to be replaced after use to ensure the subsequent filtration effect.

[0003] After searching, the Chinese patent publication number CN216986665U discloses a filter that is easy to replace the filter element, including a box structure and a filter device. The box structure includes a box, a threaded column and a connecting plate, a first annular plate is fixed inside the box, an elastic member is fixed on the top surface of the first annular plate, a third annular plate is fixed on the end of the elastic member, an annular block is fixed on the outer surface of the sealing cover, a sliding groove is provided on the surface of the annular block, the threaded column is rotatably connected to the inside of the sliding groove, a slider is threadedly connected to the surface of the threaded column, a connecting plate is hinged on one side of the slider, and the fourth annular plate is fixed on the filter element.

[0004] The above patent has the following deficiencies: when the above device is in use, the connecting plate is rotated and then the threaded column is rotated to move the slider upward, and the connecting plate follows the upward movement and is tightly attached to the second annular plate. At the same time, the pressure plate will press the fourth annular plate downward to fix the filter element. However, in fact, when you want to replace the filter element and open the sealing cover and the box body, you need to rotate and remove multiple sets of threaded columns, and the efficiency is still low. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and provides a filter which is easy to replace the filter element.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A filter that is easy to replace the filter element, comprising a filter chamber and a top cover, wherein the top cover is rotatably connected to the outer wall of the top of the filter chamber by a hinge, the outer side wall of the top cover is welded with a side plate, the outer side wall of the filter chamber is provided with a clamping assembly, the clamping assembly comprises a baffle and a connecting ring, the baffle and the connecting ring are both welded to the outer side wall of the filter chamber, the outer side wall of the connecting ring is rotatably connected to a turntable, the inner side wall of the baffle is welded with an outer ring, the inner side wall of the baffle is rotatably connected to an inner tooth plate, and the inner wall of the outer ring is slidably connected to There is a card block, which is meshed with the inner tooth plate, and two springs are welded between the card block and the inner wall of the outer ring. The inner wall of the connecting ring is slidably connected with a movable rod, and a push handle is welded on the end of the movable rod. The outer side wall of the movable rod is provided with a guide boss, and the inner side wall of the inner tooth plate is provided with a card groove, and the card groove cooperates with the guide boss. The inner wall of the baffle is rotatably connected with a matching rod, and the outer side wall of the matching rod is slidably connected with a swinging pressure plate, one end of the swinging pressure plate is rotatably connected to the turntable, and the swinging pressure plate is in contact with the side plate.

[0008] As a further solution of the utility model: an inlet pipe is welded to the outer wall of the top cover, an outlet pipe is welded to the outer side wall of the filter cavity, and a filter assembly is arranged inside the filter cavity.

[0009] As a further solution of the utility model: the inner wall of the baffle is rotatably connected to a push rod, and the outer side wall of the push handle is slidably connected to a connector.

[0010] As a further solution of the utility model: the connecting head and the other end of the push rod are rotatably connected to each other, and a spring 1 is welded between the push rod and the inner wall of the baffle.

[0011] As a further solution of the utility model: the filter assembly includes an inner mounting plate, a filter element 1 and a filter element 2, the inner mounting plate is welded to the inner side wall of the filter cavity, and the inner side wall of the inner mounting plate is connected with a fixed cover through threads.

[0012] As a further solution of the utility model: the inner wall of the fixed cover is connected with a connecting column by a thread, the bottom outer wall of the connecting column is welded with a supporting cover, the top outer wall of the supporting cover is provided with an installation groove, and the filter element 1 and the filter element 2 are clamped in the inside of the installation groove.

[0013] As a further solution of the utility model: a mounting seat is welded to the top outer wall of the support cover, a placement seat is movably connected to the inner side wall of the mounting seat, a spring three is bonded to the bottom outer wall of the placement seat, a matching head is rotatably connected to the outer side wall of the placement seat, a wave crest groove is opened on the inner side wall of the mounting seat, and the wave crest groove matches the matching head.

[0014] As a further solution of the utility model: a matching groove is provided on the inner wall of the top of the mounting seat, a turbidity detection module is placed on the outer wall of the top of the placement seat, and a square block is provided on the outer side wall of the turbidity detection module, and the square block matches the matching groove.

[0015] Compared with the prior art, the utility model provides a filter that is easy to replace the filter element, and has the following beneficial effects:

[0016] 1. The utility model is provided with an inner tooth plate, a clamping block, a turntable, a swing pressure plate, a matching rod, a side plate, a movable rod and a clamping slot. When in use, the movable rod can be rotated through the cooperation between the guide boss and the clamping slot, and the movable rod can be rotated unidirectionally under the meshing of the inner tooth plate and the clamping block, so that the swing pressure plate gradually presses the side plate under the cooperation with the matching rod. When the pressing needs to be cancelled, the movable rod can be pulled out to reverse and cancel, which is convenient for disassembly and assembly.

[0017] 2. The utility model is provided with a fixed cover, a support cover, a connecting column, a filter element 1 and a filter element 2. When disassembling and assembling the filter element 1 and the filter element 2, first remove the connection between the fixed cover and the inner mounting plate, then rotate the support cover to cancel the connection between the connecting column and the fixed cover, and directly remove the filter element 1 and the filter element 2.

[0018] 3. The utility model is provided with a mounting seat, a placement seat, a crest groove, a turbidity detection module, a square block, a matching groove, and a matching head. When in use, the turbidity detection module is directly pressed down against the placement seat, and rotated under the cooperation of the matching head and the crest groove. Then, the pressing is cancelled, and a certain rotation is performed again. The square block is clamped in the matching groove, so that the turbidity detection module can be quickly installed and the filtering effect can be monitored.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a filter that is easy to replace the filter element proposed by the utility model;

[0021] Figure 2 A schematic diagram of a filter pressing assembly structure for easy replacement of filter elements proposed by the utility model Figure 1 ;

[0022] Figure 3 A schematic diagram of a filter pressing assembly structure for easy replacement of filter elements proposed by the utility model Figure 2 ;

[0023] Figure 4 A schematic diagram of a filter pressing assembly structure for easy replacement of filter elements proposed by the utility model Figure 3 ;

[0024] Figure 5 This is a schematic diagram of the structure of an inner tooth plate and an outer tooth ring of a filter that is convenient for replacing a filter element, as proposed by the utility model;

[0025] Figure 6 This is a schematic cross-sectional structure diagram of an inner tooth plate and an outer tooth ring of a filter that is convenient for replacing a filter element proposed by the utility model;

[0026] Figure 7 This is a schematic diagram of the full cross-section structure of a filter cavity of a filter that is easy to replace the filter element proposed by the utility model;

[0027] Figure 8 This is a schematic diagram of the exploded structure of a support cover and a fixed cover of a filter that is convenient for replacing a filter element proposed by the utility model;

[0028] Fig. 9 The utility model discloses an exploded structural diagram of a filter mounting base for facilitating filter element replacement.

[0029] In the figure: 1. discharge pipe; 2. filter chamber; 3. top cover; 4. inlet pipe; 5. side plate; 6. swing pressure plate; 7. baffle; 8. push rod; 9. connector; 10. push handle; 11. movable rod; 12. connecting ring; 13. turntable; 14. spring one; 15. inner tooth plate; 16. outer ring; 17. slot; 18. guide boss; 19. spring two; 20. block; 21. inner mounting plate; 22. support cover; 23. mounting seat; 24. fixing cover; 25. filter element one; 26. filter element two; 27. connecting column; 28. mounting groove; 29. ​​wave peak groove; 30. matching head; 31. placement seat; 32. turbidity detection module; 33. square block; 34. matching groove; 35. spring three; 36. matching rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0032] Embodiment 1:

[0033] A filter that is easy to replace the filter element, in order to achieve a quick opening device, such as Figure 1-9 As shown, it includes a filter chamber 2 and a top cover 3. The outer side wall of the filter chamber 2 is welded with a discharge pipe 1. A filter assembly is arranged inside the filter chamber 2. The top cover 3 is rotatably connected to the top outer wall of the filter chamber 2 through a hinge. An inlet pipe 4 is welded to the top outer wall of the top cover 3. A side plate 5 is welded to the outer side wall of the top cover 3. A clamping assembly is arranged on the outer side wall of the filter chamber 2. The clamping assembly includes a baffle 7 and a connecting ring 12. The baffle 7 and the connecting ring 12 are both welded to the outer side wall of the filter chamber 2. A turntable 13 is rotatably connected to the outer side wall of the connecting ring 12. An outer ring 16 is welded to the inner side wall of the baffle 7. An inner tooth plate 15 is rotatably connected to the inner side wall of the baffle 7. The inner wall of the outer ring 16 is slidably connected with a block 20, and the block 20 is meshed with the inner tooth plate 15. A spring 19 is welded between the block 20 and the inner wall of the outer ring 16. The inner wall of the connecting ring 12 is slidably connected with a movable rod 11, and a push handle 10 is welded at the end of the movable rod 11. The outer side wall of the movable rod 11 is provided with a guide boss 18. The inner side wall of the inner tooth plate 15 is provided with a slot 17, and the slot 17 cooperates with the guide boss 18. The inner wall of the baffle 7 is rotatably connected with a matching rod 36, and the outer side wall of the matching rod 36 is slidably connected with a swinging pressure plate 6, one end of the swinging pressure plate 6 is rotatably connected to the turntable 13, and the swinging pressure plate 6 is in contact with the side plate 5;

[0034] When it is necessary to open the top cover 3 and take out the internal filter assembly, the movable rod 11 can be pulled to make the external guide boss 18 disengage from the engagement with the slot 17, and then the turntable 13 is rotated counterclockwise to make the side plate 5 make an arc movement in the lower end portion cooperating with the matching rod 36, thereby canceling the pressure on the side plate 5, and then the top cover 3 can be directly opened. When it is necessary to close the top cover 3, the movable rod 11 is pushed, the slot 17 is inserted into the guide boss 18, and then the movable rod 11 is rotated to drive the turntable 13 to rotate clockwise. At the same time, the inner tooth plate 15 rotates unidirectionally under the engagement of the block 20, and then the turntable 13 pulls the swinging pressure plate 6 to gradually press on the top of the side plate 5 under the cooperation with the matching rod 36, directly forming a sealing pressure on the top cover 3, thereby achieving the effect of convenient disassembly and assembly.

[0035] The inner wall of the baffle 7 is rotatably connected to a push rod 8, the outer side wall of the push handle 10 is slidably connected to a connector 9, the connector 9 and the other end of the push rod 8 are rotatably connected to each other, and a spring 14 is welded between the push rod 8 and the inner wall of the baffle 7;

[0036] After the movable rod 11 is pulled by the push handle 10 to cancel the compression between the swing pressure plate 6 and the side plate 5, the push handle 10 is released, and the spring 14 can drive the connector 9 to reset the push handle 10 without manual reset.

[0037] The filter assembly includes an inner mounting plate 21, a filter element 1 25, and a filter element 2 26. The inner mounting plate 21 is welded to the inner side wall of the filter chamber 2. The inner side wall of the inner mounting plate 21 is connected to a fixing cover 24 by threads. The inner wall of the fixing cover 24 is connected to a connecting column 27 by threads. A support cover 22 is welded to the outer wall at the bottom of the connecting column 27. A mounting groove 28 is provided on the outer wall at the top of the support cover 22. The filter element 1 25 and the filter element 2 26 are clamped in the mounting groove 28.

[0038] After opening the top cover 3, the fixed cover 24 can be directly rotated to remove the connection between the inner mounting plate 21 and the fixed cover 24, and the fixed cover 24 and the bottom support cover 22, filter element 1 25, and filter element 2 26 structure can be pulled out. The support cover 22 can be rotated to cancel the connection between the connecting column 27 and the fixed cover 24 to remove the filter element 1 25 and the filter element 2 26. At the same time, the interval between the filter element 1 25 and the filter element 2 26 is fixed to form a larger transition cavity, which has a better filtering effect.

[0039] Working principle: when it is necessary to open the top cover 3 to take out the filter element 1 25 and the filter element 2 26, pull the movable rod 11 to make the external guide boss 18 disengage from the engagement with the slot 17, then rotate the turntable 13 counterclockwise to make the side plate 5 make an arc motion at the lower end in engagement with the engagement rod 36, cancel the pressure on the side plate 5, and then directly open the top cover 3, rotate the fixed cover 24 to remove the connection between the inner mounting plate 21 and the fixed cover 24, pull out the fixed cover 24 and the bottom support cover 22, the filter element 1 25, and the filter element 2 26 structure, rotate the support cover 22 to cancel the connection between the connecting column 27 and the fixed cover 24, and then remove the filter element 1 25 and the filter element 2 26.

[0040] Embodiment 2:

[0041] A filter that is easy to replace the filter element, such as Figure 1-9 As shown, in order to monitor the filtering effect; this embodiment makes the following supplements on the basis of embodiment 1: a mounting seat 23 is welded on the top outer wall of the support cover 22, and a placement seat 31 is movably connected to the inner side wall of the mounting seat 23, and a spring 35 is bonded to the bottom outer wall of the placement seat 31, and a matching head 30 is rotatably connected to the outer side wall of the placement seat 31, and a crest groove 29 is provided on the inner side wall of the mounting seat 23, and the crest groove 29 cooperates with the matching head 30, and a matching groove 34 is provided on the top inner wall of the mounting seat 23, and a turbidity detection module 32 is placed on the top outer wall of the placement seat 31, and a square block 33 is provided on the outer side wall of the turbidity detection module 32, and the square block 33 cooperates with the matching groove 34;

[0042] Working principle: When in use, press the turbidity detection module 32 tightly against the placement seat 31, and continue to press so that the placement seat 31 rotates a certain angle under the cooperation of the matching head 30 and the peak groove 29, and then cancel the pressing, the placement seat 31 rises again under the action of the spring three 35, and the square block 33 is clamped in the matching groove 34, thereby realizing the rapid fixation of the turbidity detection module 32, and also facilitating the subsequent disassembly and assembly.

[0043] 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 filter for easy replacement of a filter element, comprising a filter chamber (2) and a top cover (3), characterized in that: The top cover (3) is rotatably connected to the top outer wall of the filter chamber (2) through a hinge, the outer side wall of the top cover (3) is welded with a side plate (5), the outer side wall of the filter chamber (2) is provided with a clamping assembly, the clamping assembly comprises a baffle (7) and a connecting ring (12), the baffle (7) and the connecting ring (12) are both welded to the outer side wall of the filter chamber (2), the outer side wall of the connecting ring (12) is rotatably connected to a turntable (13), the inner side wall of the baffle (7) is welded with an outer ring (16), the inner side wall of the baffle (7) is rotatably connected to an inner tooth plate (15), the inner wall of the outer ring (16) is slidably connected to a clamping block (20), the clamping block (20) is meshed with the inner tooth plate (15), A spring 2 (19) is welded between the clamping block (20) and the inner wall of the outer ring (16); a movable rod (11) is slidably connected to the inner wall of the connecting ring (12); a push handle (10) is welded to the end of the movable rod (11); a guide boss (18) is provided on the outer side wall of the movable rod (11); a clamping groove (17) is provided on the inner side wall of the inner tooth plate (15); the clamping groove (17) matches with the guide boss (18); a matching rod (36) is rotatably connected to the inner wall of the baffle (7); a swinging pressure plate (6) is slidably connected to the outer side wall of the matching rod (36); one end of the swinging pressure plate (6) is rotatably connected to the turntable (13); and the swinging pressure plate (6) is in contact with the side plate (5).

2. A filter for easy replacement of filter element according to claim 1, characterized in that: An inlet pipe (4) is welded to the top outer wall of the top cover (3), an outlet pipe (1) is welded to the outer side wall of the filter cavity (2), and a filter assembly is provided inside the filter cavity (2).

3. A filter for easy replacement of filter element according to claim 2, characterized in that: The inner wall of the baffle (7) is rotatably connected to a push rod (8), and the outer side wall of the push handle (10) is slidably connected to a connector (9).

4. A filter for easy replacement of filter element according to claim 3, characterized in that: The connecting head (9) and the other end of the push rod (8) are rotatably connected to each other, and a spring (14) is welded between the push rod (8) and the inner wall of the baffle (7).

5. The filter for easy replacement of filter element according to claim 2, characterized in that: The filter assembly comprises an inner mounting plate (21), a filter element 1 (25), and a filter element 2 (26); the inner mounting plate (21) is welded to an inner side wall of a filter cavity (2); and the inner side wall of the inner mounting plate (21) is connected to a fixing cover (24) via threads.

6. A filter for easy replacement of filter element according to claim 5, characterized in that: The inner wall of the fixing cover (24) is connected to a connecting column (27) via a thread, the bottom outer wall of the connecting column (27) is welded with a supporting cover (22), the top outer wall of the supporting cover (22) is provided with a mounting groove (28), and the filter element 1 (25) and the filter element 2 (26) are clamped inside the mounting groove (28).

7. A filter for easy replacement of filter element according to claim 6, characterized in that: A mounting seat (23) is welded to the top outer wall of the support cover (22); the inner side wall of the mounting seat (23) is movably connected to a placement seat (31); a spring three (35) is bonded to the bottom outer wall of the placement seat (31); the outer side wall of the placement seat (31) is rotatably connected to a matching head (30); a wave crest groove (29) is formed on the inner side wall of the mounting seat (23); and the wave crest groove (29) matches with the matching head (30).

8. The filter for easy replacement of filter element according to claim 7, characterized in that: A matching groove (34) is provided on the inner wall of the top of the mounting seat (23); a turbidity detection module (32) is placed on the outer wall of the top of the placement seat (31); a square block (33) is provided on the outer side wall of the turbidity detection module (32); and the square block (33) matches the matching groove (34).

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