Urea filter

By designing a urea filter with a threaded rotating column and gear meshing assembly, the problem of clogging caused by impurity accumulation was solved, and the stability and efficiency of the filter were improved.

CN224009166UActive Publication Date: 2026-03-20NINGBO BAILER AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing urea filters are prone to clogging due to the accumulation of impurities during long-term operation, which reduces their filtration efficiency.

Method used

A urea filter was designed, comprising components such as a threaded rotating column, a threaded push plate, a gear sleeve column, and a sealing plate. The filter achieves automatic cleaning and sealing of impurities through threaded rotation and gear meshing, thus maintaining the stability and efficiency of the filter.

Benefits of technology

It effectively reduces the clogging of the filter plate surface by impurities, improves the long-term working stability and filtration efficiency of the filter plate, and maintains the cleanliness of the filter.

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Abstract

The utility model belongs to the technical field of urea solution treatment, and particularly relates to a urea filter which comprises a urea filter body, a communicating assembly is arranged on one side of the urea filter body in a communicating manner; a communicating pipe is arranged at the end part of the communicating assembly in a communicating manner; a treatment column is arranged on one side of the communicating pipe in a communicating manner; a filter plate is fixedly connected to the inner side of the communicating pipe; a threaded rotating column is rotationally connected to the inner side of the urea filter body; a threaded push plate is slidably connected to the inner side of the communicating pipe; during working, a worker can operate a threaded operation column to drive a connecting threaded column and a second sealing plate to move upwards, the worker can directly treat impurities collected at the bottom end of the interior of a treatment column, and in the collection working process, a communicating pipe can continue to work normally; the whole device improves the cleanliness of the surface of the filter plate, reduces the condition that the surface of the filter plate is blocked by impurities, and improves the stability of the filter plate during long-time work; the whole device improves the filtering efficiency of the filtering plate.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of urea solution treatment, and particularly relates to a urea filter. BACKGROUND

[0002] The urea filter is an important component for treating automobile exhaust, and can filter particulate matter and precipitate through urea solution, thereby effectively improving the cleanliness of the urea solution and making the exhaust treatment system more stable during long-time operation.

[0003] In the prior art, the urea filter is usually composed of a communicating device and a filter body, and the filter can filter and purify the urea solution after the communicating device is connected with the treatment system.

[0004] The existing urea filter usually filters the urea solution through a filtering assembly, and impurities are easily accumulated on the surface of the filtering assembly during long-time operation, which may even cause blockage, thereby reducing the filtering effect of the urea filter. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background, the utility model provides a urea filter.

[0006] The utility model discloses a urea filter, including urea filter body, the communicating component is equipped with in the side of urea filter body, the communicating component end is equipped with the communicating pipe, the communicating pipe one side is equipped with the processing column, the filter board is fixedly connected in the inboard of communicating pipe, the screw thread rotation column is rotatably connected in the inboard of urea filter body, the screw thread push board is slidably connected in the inboard of communicating pipe, the screw thread rotation column is connected with screw thread push board, the first cleaning board is fixedly connected in the bottom of screw thread push board, the first cleaning board bottom and filter board top are mutually pasted, the gear sleeve column is slidably connected in the processing column lateral wall, the first spring column is fixedly connected in the inboard top of processing column, the first spring column end and gear sleeve column are mutually connected, the transmission gear is rotatably connected in the inboard wall of processing column, the second spring column is fixedly connected in the inboard top of processing column, the first enclosed board is fixedly connected in the bottom of second spring column, the first enclosed board and transmission gear are mutually engaged, the first sliding slot is seted up in the processing column top, the second enclosed board is slidably connected in the inboard of first sliding slot, the support ring is fixedly connected in the processing column top, the screw thread operation column is rotatably connected in the support ring top, the connecting screw thread column is screwedly connected in the inboard of screw thread operation column, the connecting screw thread column and second enclosed board are mutually connected.

[0007] Preferably, the first tooth is fixed to the outer side wall of the threaded rotating column; the first tooth is fixed to the outer side wall of the threaded rotating column; the rotating column seat is rotatably connected to the side wall of the communication pipe; the rotating plate is fixed to the outer side wall of the rotating column seat; the second tooth is fixed to the end of the rotating plate; the second tooth is engaged with the first tooth; the elastic connecting plate is fixed to the side wall of the communication pipe; the end of the elastic connecting plate is connected to the side wall of the rotating plate; the threaded rotating column is fixed to the side wall of the communication pipe; the threaded rotating column is matched with the side wall of the rotating plate.

[0008] Preferably, the second sliding groove is formed in the inner bottom of the first cleaning plate; the third spring column is fixed to the inner top of the second sliding groove; the third spring column is arranged in the second sliding groove; the second cleaning plate is slidably connected to the inner side of the second sliding groove; the second cleaning plate is connected to the third spring column.

[0009] Preferably, the first magnetic plate is fixed to the inner top of the second sliding groove; the second magnetic plate is fixed to the top of the second cleaning plate; the first magnetic plate and the second magnetic plate are arranged in the third spring column.

[0010] Preferably, the fixed seat is fixed to the side wall of the communication pipe; the observation window is arranged on the side wall of the communication pipe; the fixed seat is connected to the observation window.

[0011] Preferably, the first closed plate is fixed to the bottom of the closed soft plate.

[0012] Preferably, the threaded rotating column is sleeved with a closed sleeve column; the closed sleeve column is arranged on the outer side of the communication pipe.

[0013] The utility model discloses the beneficial effect:

[0014] 1. The utility model provides a urea filter can drive first closed plate to move down, and first closed plate bottom can extrude the top of threaded push plate, thereby reaches to close the space in the communication pipe and works, at this time, the worker can operate the threaded operation column, drives the connecting threaded column with second closed plate and moves up, and the worker can directly handle the impurity collected in the bottom end of the processing column, and in the collection work process, the communication pipe can continue normal work, the whole device improves the cleanliness of filter plate surface, reduces the situation that the impurity blocks filter plate surface, improves the stability when filter plate long -time work, the whole device improves the filtering efficiency of filter plate.

[0015] 2. The utility model provides a urea filter, through first tooth, rotating column seat, rotating plate, elastic connecting plate and mutual cooperation, so that threaded rotating column can only rotate counterclockwise, reduces the situation that first cleaning plate appears to retreat when threaded rotating column drives first cleaning plate to the processing column connection, the whole device improves the stability when processing column is closed. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0017] Figure 1 This is a perspective view of the urea filter body of this utility model;

[0018] Figure 2 This is a perspective view of the connecting tube in this utility model;

[0019] Figure 3 This is a perspective view of the processing column in this utility model;

[0020] Figure 4 This is a perspective view of the filter plate in this utility model;

[0021] Figure 5 This is a perspective view of the first cleaning plate in this utility model;

[0022] Figure 6 yes Figure 5 Enlarged view of point A;

[0023] Figure 7 This is a perspective view of the second sliding groove in this utility model.

[0024] Legend:

[0025] 1. Urea filter body; 11. Connecting component; 12. Connecting pipe; 13. Processing column; 14. Filter plate; 15. Threaded rotating column; 16. Threaded push plate; 17. First cleaning plate; 18. Gear sleeve column; 19. First spring column; 110. Transmission gear; 111. Second spring column; 112. First sealing plate; 113. First slide groove; 114. Second sealing plate; 115. Support ring; 116. Threaded operating column; 117. Connecting threaded column; 2. First tooth; 21. Rotating column seat; 22. Rotating plate; 23. Second tooth; 24. Elastic connecting plate; 3. Second slide groove; 31. Third spring column; 32. Second cleaning plate; 4. First magnetic plate; 41. Second magnetic plate; 5. Fixed seat; 51. Observation window; 6. Sealing flexible plate; 7. Sealing sleeve column. Detailed Implementation

[0026] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0027] Specific embodiments are given below.

[0028] Please refer to Figures 1-7The utility model provides a kind of urea filter, including urea filter body 1;The urea filter body 1 side is equipped with intercommunication component 11;The intercommunication component 11 end is equipped with intercommunication pipe 12;The intercommunication pipe 12 side is equipped with treatment column 13;The intercommunication pipe 12 inboard is fixed with filter plate 14;The urea filter body 1 inboard is rotatably connected with screw rotating column 15;The intercommunication pipe 12 inboard is slidably connected with screw push plate 16;Screw rotating column 15 is connected with screw push plate 16 by screwing;The screw push plate 16 bottom is fixed with first cleaning plate 17;The first cleaning plate 17 bottom and filter plate 14 top mutually adhere;The treatment column 13 side wall is slidably connected with gear sleeve column 18;The treatment column 13 inboard top is fixed with first spring column 19;The first spring column 19 end is connected with gear sleeve column 18;The treatment column 13 inboard wall is rotatably connected with transmission gear 110;The treatment column 13 inboard top is fixed with second spring column 111;The second spring column 111 bottom is fixed with first closed plate 112;The first closed plate 112 and transmission gear 110 mutually engage;The treatment column 13 top is equipped with first sliding slot 113;The first sliding slot 113 inboard is slidably connected with second closed plate 114;The treatment column 13 top is fixed with support ring 115;The support ring 115 top is rotatably connected with screw operating column 116;The screw operating column 116 inboard is connected with connecting screw column 117 by screwing;The connecting screw column 117 and second closed plate 114 are connected;When working, second closed plate 114 can be closed inside treatment column 13, after the whole device is connected with processing system, filter plate 14 can filter urea solution, when needing to clean the impurities on the top of filter plate 14, rotate screw rotating column 15, screw rotating column 15 can drive screw push plate 16 and first cleaning plate 17 to move to the direction of treatment column 13, so that first cleaning plate 17 can push the impurities adhered to the top of filter plate 14 to the direction of treatment column 13, finally into the bottom end inside treatment column 13;And in the process of screw push plate 16 movement, gear sleeve column 18 can be pushed to move to the direction of transmission gear 110, so that transmission gear 110 and gear sleeve column 18 mutually engage, and in the process of screw rotating column 15 rotation, first closed plate 112 can be driven to move downward, and the bottom of first closed plate 112 can extrude the top of screw push plate 16, so as to achieve the closed work of the space inside intercommunication pipe 12;At this time, staff can operate screw operating column 116, drive connecting screw column 117 and second closed plate 114 to move upward, staff can directly process the impurities collected in the bottom end inside treatment column 13, and in the process of collection, intercommunication pipe 12 can also continue normal work;The whole device improves the cleanliness of the surface of filter plate 14, reduces the situation that impurities block the surface of filter plate 14, improves the stability of filter plate 14 when working for a long time;The whole device improves the filtering efficiency of filter plate 14.

[0029] Further, as shown in Figure 6 , the first tooth 2 is fixed to the outer wall of the threaded rotating column 15; the first tooth 2 is fixed to the outer wall of the threaded rotating column 15; the rotating column seat 21 is rotatably connected to the side wall of the communication pipe 12; the rotating plate 22 is fixed to the outer wall of the rotating column seat 21; the second tooth 23 is fixed to the end of the rotating plate 22; the second tooth 23 is engaged with the first tooth 2; the elastic connecting plate 24 is fixed to the side wall of the communication pipe 12; the end of the elastic connecting plate 24 is connected to the side wall of the rotating plate 22; the threaded rotating column 15 is fixed to the side wall of the communication pipe 12; the threaded rotating column 15 is in close contact with the side wall of the rotating plate 22; during operation, the first tooth 2, the rotating column seat 21, the rotating plate 22, and the elastic connecting plate 24 cooperate with each other, so that the threaded rotating column 15 can only rotate counterclockwise, reducing the possibility of the first cleaning plate 17 retreating when the threaded rotating column 15 pushes the first cleaning plate 17 to the connection of the processing column 13; the overall device improves the stability when the processing column 13 is closed.

[0030] Further, as shown in Figure 7 , the second sliding groove 3 is provided in the inner bottom of the first cleaning plate 17; the third spring column 31 is fixed to the inner top of the second sliding groove 3; the third spring column 31 is provided in the inner top of the second sliding groove 3; the second cleaning plate 32 is slidably connected to the inner side of the second sliding groove 3; the second cleaning plate 32 is connected to the third spring column 31; during operation, the second cleaning plate 32 can be pushed downward in the second sliding groove 3 by the third spring column 31, so that the bottom end of the second cleaning plate 32 is in close contact with the top of the filter plate 14, and the second cleaning plate 32 can clean the top of the filter plate 14 during the movement of the first cleaning plate 17, thereby improving the cleanliness of the top of the filter plate 14 and reducing the accumulation of impurities on the top of the filter plate 14.

[0031] Further, as shown in Figure 7 , the first magnetic plate 4 is fixed to the inner top of the second sliding groove 3; the second magnetic plate 41 is fixed to the top of the second cleaning plate 32; the first magnetic plate 4 and the second magnetic plate 41 are provided inside the third spring column 31; during operation, the first magnetic plate 4 and the second magnetic plate 41 repel each other due to magnetic force, so that the bottom of the second cleaning plate 32 is more closely attached to the top of the filter plate 14, and the overall device improves the stability of the second cleaning plate 32 when cleaning the top of the filter plate 14.

[0032] Further, as shown in Figure 1As shown, the side wall of the communication pipe 12 is fixedly connected with a fixing seat 5; the side wall of the communication pipe 12 is provided with an observation window 51; the fixing seat 5 and the observation window 51 are connected with each other; in working, the worker can observe the inside space of the communication pipe 12 through the observation window 51, and can directly observe whether impurities are accumulated on the top of the filter plate 14.

[0033] Further, as shown in the figure, Figure 4 As shown, the bottom of the first closing plate 112 is fixedly connected with a closing soft plate 6; in working, the closing soft plate 6 is of elastic material, and when the first closing plate 112 closes the threaded push plate 16, the closing soft plate 6 deforms, thereby reducing the situation that the liquid in the communication pipe 12 enters the inside of the treatment column 13 through the connection between the first closing plate 112 and the threaded push plate 16.

[0034] Further, as shown in the figure, Figure 3 As shown, the outside of the threaded rotating column 15 is sleeved with a closing sleeve column 7; the closing sleeve column 7 is arranged outside the communication pipe 12; in working, the closing sleeve column 7 can block the external impurities, thereby reducing the situation that the external impurities directly enter the meshing position of the first tooth 2 and the second tooth 23, and improving the stability of the whole device in long-time working.

[0035] Working principle: when working, the second closing plate 114 can close the inside of the treatment column 13, after the whole device is connected with the treatment system, the filter plate 14 can filter the urea solution, when it is needed to clean the impurities on the top of the filter plate 14, rotate the threaded rotating column 15, the threaded rotating column 15 can drive the threaded push plate 16 and the first cleaning plate 17 to move to the treatment column 13, so that the first cleaning plate 17 can push the impurities on the top of the filter plate 14 to the treatment column 13, and finally into the bottom of the treatment column 13; and in the process of moving the threaded push plate 16, the gear sleeve column 18 can be pushed to move to the transmission gear 110, so that the transmission gear 110 and the gear sleeve column 18 are engaged with each other, and in the process of rotating the threaded rotating column 15, the first closing plate 112 can be driven to move downward, and the bottom of the first closing plate 112 can extrude the top of the threaded push plate 16, so as to close the space in the communication pipe 12; at this time, the worker can operate the threaded operation column 116 to drive the connecting threaded column 117 and the second closing plate 114 to move upward, the worker can directly treat the impurities collected in the bottom of the treatment column 13, and in the process of collecting, the communication pipe 12 can also continue to work normally; the whole device improves the cleanliness of the surface of the filter plate 14, reduces the situation that the impurities block the surface of the filter plate 14, and improves the stability of the filter plate 14 when working for a long time; the whole device improves the filtering efficiency of the filter plate 14; when working, the first gear teeth 2, the rotating column seat 21, the rotating plate 22, the elastic connecting plates 24 and 25 cooperate with each other, so that the threaded rotating column 15 can only rotate counterclockwise, reducing the situation that the first cleaning plate 17 retreats when the threaded rotating column 15 pushes the first cleaning plate 17 to the connection of the treatment column 13; the whole device improves the stability of the treatment column 13 when it is closed; when working, the third spring columns 31 can push the second cleaning plate 32 to move downward in the second sliding groove 3, so that the bottom of the second cleaning plate 32 and the top of the filter plate 14 are mutually attached, and in the process of moving the first cleaning plate 17, the second cleaning plate 32 can also clean the top of the filter plate 14, so as to improve the cleanliness of the top of the filter plate 14, and reduce the situation that the impurities accumulate on the top of the filter plate 14; when working, the first magnetic plate 4 and the second magnetic plate 41 repel each other due to magnetic force, so that the bottom of the second cleaning plate 32 is more attached to the top of the filter plate 14, and the whole device improves the stability of the second cleaning plate 32 when cleaning the top of the filter plate 14; when working, the worker can observe the inside of the communication pipe 12 through the observation window 51, and can directly observe whether the impurities accumulate on the top of the filter plate 14; when working, the closing soft plate 6 is elastic, and when the first closing plate 112 closes the threaded push plate 16, the closing soft plate 6 deforms, so as to reduce the situation that the liquid in the communication pipe 12 enters the inside of the treatment column 13 through the connection between the first closing plate 112 and the threaded push plate 16.In work, the closed sleeve post 7 can block the external impurities, thereby reducing the situation of the external impurities directly entering the meshing position of the first tooth 2 and the second tooth 23, and improving the stability of the whole device in long time work.

[0036] The basic principle, main characteristics and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A urea filter, comprising a urea filter body (1); characterized in that: A connecting component (11) is connected to one side of the urea filter body (1); a connecting pipe (12) is connected to the end of the connecting component (11); a processing column (13) is connected to one side of the connecting pipe (12); a filter plate (14) is fixedly connected to the inside of the connecting pipe (12); a threaded rotating column (15) is rotatably connected to the inside of the urea filter body (1); a threaded push plate (16) is slidably connected to the inside of the connecting pipe (12); the threaded rotating column (15) is threadedly connected to the threaded push plate (16); a first cleaning plate (17) is fixedly connected to the bottom of the threaded push plate (16); the bottom of the first cleaning plate (17) is in contact with the top of the filter plate (14); a gear sleeve column (18) is slidably connected to the side wall of the processing column (13); a first spring column (19) is fixedly connected to the top of the inside of the processing column (13); the first spring column (19) The end of the processing column (13) is connected to the gear sleeve column (18); the inner wall of the processing column (13) is rotatably connected to the transmission gear (110); the top of the inner side of the processing column (13) is fixedly connected to the second spring column (111); the bottom of the second spring column (111) is fixedly connected to the first sealing plate (112); the first sealing plate (112) meshes with the transmission gear (110); the top of the processing column (13) is provided with a first sliding groove (113); the inner side of the first sliding groove (113) is slidably connected to the second sealing plate (114); the top of the processing column (13) is fixedly connected to the support ring (115); the top of the support ring (115) is rotatably connected to the threaded operating column (116); the inner side of the threaded operating column (116) is threadedly connected to the connecting threaded column (117); the connecting threaded column (117) is connected to the second sealing plate (114).

2. A urea filter as described in claim 1, characterized in that: The outer wall of the threaded rotating column (15) is fixed with a first tooth (2); multiple sets of the first tooth (2) are fixed at the outer wall of the threaded rotating column (15); the side wall of the connecting pipe (12) is rotatably connected with a rotating column seat (21); the outer wall of the rotating column seat (21) is fixed with a rotating plate (22); the end of the rotating plate (22) is fixed with a second tooth (23); the second tooth (23) meshes with the first tooth (2); the side wall of the connecting pipe (12) is fixed with an elastic connecting plate (24); the end of the elastic connecting plate (24) is connected to the side wall of the rotating plate (22); the side wall of the connecting pipe (12) is fixed with a threaded rotating column (15); the threaded rotating column (15) and the side wall of the rotating plate (22) are in contact with each other.

3. A urea filter as described in claim 1, characterized in that: The bottom inner side of the first cleaning plate (17) is provided with a second sliding groove (3); the top inner side of the second sliding groove (3) is fixedly connected with a third spring column (31); multiple sets of the third spring column (31) are provided on the top inner side of the second sliding groove (3); the second cleaning plate (32) is slidably connected to the inner side of the second sliding groove (3); the second cleaning plate (32) and the third spring column (31) are interconnected.

4. A urea filter as described in claim 3, characterized in that: The top of the inner side of the second chute (3) is fixed with a first magnetic plate (4); the top of the second cleaning plate (32) is fixed with a second magnetic plate (41); the first magnetic plate (4) and the second magnetic plate (41) are both arranged inside the multiple sets of third spring columns (31).

5. A urea filter as described in claim 1, characterized in that: A fixing seat (5) is fixedly connected to the side wall of the connecting pipe (12); an observation window (51) is provided on the side wall of the connecting pipe (12); the fixing seat (5) and the observation window (51) are connected to each other.

6. A urea filter as described in claim 1, characterized in that: A sealing flexible plate (6) is fixedly connected to the bottom of the first sealing plate (112).

7. A urea filter as described in claim 1, characterized in that: A closed sleeve (7) is fitted on the outside of the threaded rotating column (15); the closed sleeve (7) is located on the outside of the connecting pipe (12).