Cleaning device for three-way catalytic converter of automobile
By designing a cleaning device that can clean multiple automotive three-way catalysts simultaneously, the problem of low cleaning efficiency of a single catalyst in the prior art is solved, and efficient cleaning of multiple catalysts is achieved, and friction and clogging are avoided through the separation assembly and filter basket.
Patent Information
- Application Number
- CN202421435746.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-22
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-06-22
AI Technical Summary
The existing automotive three-way catalyst cleaning device can only clean a single catalyst, which is relatively inefficient.
A cleaning device including a cleaning tank, a fixing frame, a filter basket and a partition assembly is designed, which can clean multiple automotive three-way catalysts at the same time, and fix catalysts of different sizes through the partition assembly to avoid friction between the catalysts.
The cleaning efficiency of the three-way catalyst is improved, multiple catalysts can be processed at the same time, and the solid dirt cleaned through the filter basket is filtered to avoid clogging of the cleaning tank.
Smart Images

Figure CN222830236U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of catalyst cleaning equipment, in particular to a cleaning device for a three-way catalytic converter of an automobile. Background Art
[0002] The automobile three-way catalytic converter mainly collects harmful gases such as carbon oxides, hydrocarbons, nitrogen oxides, sulfur oxides, etc. produced by incomplete combustion of automobile engines into the three-way catalytic converter. Under certain temperature conditions, the harmful gases undergo oxidation and reduction to relatively less harmful or harmless carbon dioxide, water and nitrogen to meet emission requirements. With the increasingly stringent emission restrictions on automobile exhaust, the three-way catalytic converter has become the most effective post-processing device for automobile exhaust emission control. Automobile three-way catalytic converters need to be cleaned after being used for a period of time.
[0003] In this regard, the Chinese utility model patent with the authorization announcement number CN216406970U discloses a three-way catalytic converter cleaning device for automobiles, including a mounting frame, a mounting groove is provided in the middle of the mounting frame, a three-way catalytic converter is installed inside the mounting groove, an inlet and an outlet are provided at both ends of the three-way catalytic converter, a fastening hole is provided at the top of the mounting frame, and a fastening bolt is inserted inside the fastening hole. Three-way catalytic converters of different sizes are placed inside the mounting groove and fastened by fastening bolts, so that three-way catalytic converters of different sizes are fastened and installed with the mounting frame. The mounting frame is placed in the first slide groove, and the push-pull plate is used to make the mounting frame swing back and forth along the first slide groove, driving the three-way catalytic converter to swing, so that the cleaning liquid fully cleans the dust inside the three-way catalytic converter. Through the first clamp and the second clamp, the liquid inlet pipe and the liquid outlet pipe are connected to the inlet and the outlet respectively, which is convenient for disassembly and installation, and is conducive to liquid inlet and liquid outlet.
[0004] However, the device can only clean a single three-way catalytic converter, and the efficiency is low. Therefore, we propose a cleaning device for an automobile three-way catalytic converter to solve the above problem. Utility Model Content
[0005] The utility model aims to provide a cleaning device for a three-way catalytic converter of an automobile to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above purpose, the utility model provides the following technical solution: a cleaning device for a three-way catalytic converter of an automobile, comprising a cleaning tank,
[0007] The bottom surface of the cleaning pool is symmetrically fixed to the support base, the outer wall of the cleaning pool is fixed to a fixed block, the fixed block is fixed to a cylinder, the output end of the cylinder is fixed to the bottom surface of the support frame, the top surface of the support frame is symmetrically provided with snap-fit grooves, the snap-fit grooves are respectively snap-fitted with snap-fit blocks, the snap-fit blocks are symmetrically fixed to both sides of the fixed frame, the bottom surface of the fixed frame is fixed to a filter basket, and the top surface of the fixed frame is fixed to a partition assembly;
[0008] A drain outlet is provided at the bottom end of the inner wall of the cleaning pool, a control valve is provided in the drain outlet, and the outer end of the drain outlet is fixedly connected to a drain pipe;
[0009] The partition assembly includes a fixed plate, the bottom surface of the fixed plate is fixedly connected to the fixed frame, the fixed plate is provided with a movable groove, one side of the inner wall of the movable groove is provided with a through hole, one end of a handle is clamped in the through hole, the handle is fixedly connected to one end of a screw rod, the other end of the screw rod is rotatably connected to the inner wall of the movable groove, a plurality of movable blocks are clamped in the movable groove, the movable blocks are respectively provided with movable holes, the screw rods are clamped in the movable holes, the movable blocks are respectively fixed to the partition plates, the partition plates are respectively clamped in the filter basket, a movable square ring is clamped in one end of the movable groove, the inner ring of the movable square ring is clamped with the screw rod, the inner ring of the movable square ring is provided with a threaded structure and is clamped with the screw rod.
[0010] Preferably, the support frame is in a U-shaped structure as a whole, and the length, width and depth of the engaging groove are respectively equal to the length, width and thickness of the engaging block.
[0011] Preferably, the length and width of the moving block are respectively equal to the width and depth of the moving groove, and the length and width of the outer ring of the moving square ring are respectively equal to the width and depth of the moving groove.
[0012] Preferably, a telescopic groove is provided on the inner wall of the locking groove away from the fixed frame, a fixing hole is provided on the inner bottom surface of the telescopic groove, a rotating rod is clamped in the fixing hole, a threaded structure is respectively provided on the outer wall of the rotating rod and the inner wall of the fixing hole and are clamped with each other, one end of the rotating rod close to the locking block is fixedly connected to the positioning block, the positioning block is clamped in the positioning groove provided on the locking block, and one end of the rotating rod away from the locking block is fixedly connected to the rotating block.
[0013] Preferably, the diameter and thickness of the positioning block are respectively equal to the diameter and depth of the positioning slot and the telescopic slot.
[0014] Preferably, a control panel for a control switch, an adjustment cylinder and a control valve is provided on the outer wall of the cleaning tank.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The utility model can clean multiple automobile three-way catalytic converters at the same time, thereby improving the cleaning efficiency. The equipment can fix automobile three-way catalytic converters of different sizes through a separation component to avoid friction between the catalysts.
[0017] 2. The equipment can use the filter basket to filter the solid dirt washed off the catalyst, making it easier to clean and avoid clogging the cleaning tank. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the vertical section structure of the utility model;
[0020] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure of the structure at center A;
[0021] Figure 4 It is a partial cross-sectional structural diagram of the partition component in the utility model.
[0022] In the figure: 1. cleaning tank; 101. fixing block; 102. drain outlet; 103. control valve; 2. support base; 3. cylinder; 4. support frame; 401. snap-fit groove; 402. telescopic groove; 403. fixing hole; 5. fixing frame; 501. snap-fit block; 502. positioning groove; 6. filter basket; 7. partition assembly; 71. fixing plate; 72. moving groove; 73. through hole; 74. handle; 75. screw rod; 76. moving block; 77. moving hole; 78. partition plate; 79. moving square ring; 8. drain pipe; 9. rotating rod; 10. positioning block; 11. rotating block; 12. control panel. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Embodiment 1:
[0025] See also Figure 1-4 The utility model provides a technical solution: a cleaning device for a three-way catalytic converter of an automobile, comprising a cleaning tank 1,
[0026] See also Figure 1The bottom surface of the cleaning tank 1 is symmetrically fixed to the support base 2, the outer wall of the cleaning tank 1 is fixed to the fixing block 101, the cylinder 3 is fixed to the fixing block 101, the output end of the cylinder 3 is fixed to the bottom surface of the support frame 4, the top surface of the support frame 4 is symmetrically provided with a snap-fit groove 401, the snap-fit blocks 501 are respectively snap-fitted in the snap-fit grooves 401, the snap-fit blocks 501 are symmetrically fixed to both sides of the fixing frame 5, the bottom surface of the fixing frame 5 is fixed to the filter basket 6, and the top surface of the fixing frame 5 is fixed to the partition assembly 7;
[0027] Furthermore, the support frame 4 is in a U-shaped structure as a whole, and the length, width and depth of the engaging groove 401 are respectively equal to the length, width and thickness of the engaging block 501 .
[0028] See also Figure 2 A drain port 102 is provided at the bottom of the inner wall of the cleaning pool 1, a control valve 103 is provided in the drain port 102, and the outer end of the drain port 102 is fixedly connected to the drain pipe 8;
[0029] See also Figure 1 and Figure 3 A telescopic groove 402 is provided on the inner wall of the locking groove 401 away from the fixed frame 5, and a fixing hole 403 is provided on the inner bottom surface of the telescopic groove 402. The rotating rod 9 is clamped in the fixing hole 403. The outer wall of the rotating rod 9 and the inner wall of the fixing hole 403 are respectively provided with threaded structures and are engaged with each other. The end of the rotating rod 9 close to the locking block 501 is fixedly connected to the positioning block 10, and the positioning block 10 is clamped in the positioning groove 502 provided on the locking block 501. The end of the rotating rod 9 away from the locking block 501 is fixedly connected to the rotating block 11. The equipment can drive the rotating rod 9 to move by twisting the rotating block 11, so that the positioning block 10 is disengaged from the positioning groove 502, and the fixed frame 5 can be removed together with the filter basket 6, so that the filter basket 6 is convenient for cleaning.
[0030] Furthermore, the diameter and thickness of the positioning block 10 are respectively equal to the diameter and depth of the positioning slot 502 and the telescopic slot 402 .
[0031] See also Figure 1 A control panel 12 for a control switch, an adjustment cylinder 3 and a control valve 103 is provided on the outer wall of the cleaning tank 1.
[0032] Embodiment 2:
[0033] See also Figure 2 and Figure 4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment;
[0034] The cam 76 is provided with a plurality of locking plates 74, each of which is provided with a plurality of locking plates 76a and 76b, and the locking plates 76a and 76b are provided with a plurality of locking plates 76b.
[0035] Furthermore, the length and width of the moving block 76 are respectively equal to the width and depth of the moving groove 72 , and the length and width of the outer ring of the moving square ring 79 are respectively equal to the width and depth of the moving groove 72 .
[0036] See also Figures 1 to 4 , which is the third embodiment of the utility model, and this embodiment is based on the above two embodiments;
[0037] When the utility model is in use, multiple automobile three-way catalytic converters are vertically placed in the filter basket 6, and the partition plates 78 of the partition assembly 7 are used to separate them. Then, the handle 74 is turned to drive the screw rod 75 to rotate, so that the moving square ring 79 moves and pushes the moving block 76 to move, and the catalyst is fixed between the partition plates 78. Then, the cleaning liquid is poured into the cleaning pool 1 to immerse the catalyst. The cylinder 3 is controlled by the control panel 12 to drive the support frame 4 to move up and down, and the filter basket 6 is driven to move up and down in the cleaning liquid to fully clean the catalyst. After the cleaning is completed, the cylinder 3 is controlled to drive the support frame 4 to move up, and the filter basket 6 is used to drain the cleaning liquid remaining on the catalyst. Then, the handle 74 is turned to drive the screw rod 75 is rotated to make the movable square ring 79 away from the movable block 76, so as to facilitate the adjustment of the partition plate 78 to take out multiple catalysts. The equipment can clean multiple catalysts at the same time and use the partition component 7 to separate different catalysts to avoid friction between the catalysts; the filter basket 6 can filter the dirt after the catalyst is cleaned to avoid clogging of the cleaning tank 1. After cleaning, the control valve 103 can be opened through the control panel 12, and the cleaning liquid can be discharged through the drain pipe 8. The equipment can drive the rotating rod 9 to move by twisting the rotating block 11 to disengage the positioning block 10 from the positioning groove 502, so that the fixed frame 5 can be removed together with the filter basket 6, so as to facilitate the cleaning of the filter basket 6.
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cleaning device for a three-way catalytic converter of an automobile, comprising a cleaning tank (1), characterized in that: The bottom surface of the cleaning tank (1) is symmetrically fixed to the support base (2); the outer wall of the cleaning tank (1) is fixed to a fixing block (101); the fixing block (101) is fixed to the cylinder (3); the output end of the cylinder (3) is fixed to the bottom surface of the support frame (4); the top surface of the support frame (4) is symmetrically provided with snap-fit grooves (401); snap-fit blocks (501) are respectively snap-fitted in the snap-fit grooves (401); the snap-fit blocks (501) are symmetrically fixed to two sides of the fixing frame (5); the bottom surface of the fixing frame (5) is fixed to a filter basket (6); the top surface of the fixing frame (5) is fixed to a partition assembly (7); The bottom end of the inner wall of the cleaning pool (1) is provided with a drain outlet (102), a control valve (103) is provided in the drain outlet (102), and the outer end of the drain outlet (102) is fixedly connected to a drain pipe (8); The partition assembly (7) comprises a fixed plate (71), the bottom surface of the fixed plate (71) is fixedly connected to the fixed frame (5), a movable groove (72) is provided on the fixed plate (71), a through hole (73) is provided on one side of the inner wall of the movable groove (72), one end of a handle (74) is clamped in the through hole (73), the handle (74) is fixedly connected to one end of a screw rod (75), the other end of the screw rod (75) is rotatably connected to the inner wall of the movable groove (72), and a plurality of movable blocks ( 76), the movable blocks (76) are respectively provided with movable holes (77), the movable holes (77) are clamped with the screw rod (75), the movable blocks (76) are respectively fixed with partition plates (78), the partition plates (78) are respectively clamped in the filter basket (6), one end of the movable groove (72) is clamped with a movable square ring (79), the inner ring of the movable square ring (79) is clamped with the screw rod (75), and the inner ring of the movable square ring (79) is provided with a threaded structure and is clamped with the screw rod (75).
2. The cleaning device for a three-way catalytic converter for an automobile according to claim 1, characterized in that: The support frame (4) is in a U-shaped structure as a whole, and the length, width and depth of the engaging groove (401) are respectively equal to the length, width and thickness of the engaging block (501).
3. The cleaning device for a three-way catalytic converter for an automobile according to claim 1, characterized in that: The length and width of the moving block (76) are respectively equal to the width and depth of the moving groove (72), and the length and width of the outer ring of the moving square ring (79) are respectively equal to the width and depth of the moving groove (72).
4. The cleaning device for a three-way catalytic converter for an automobile according to claim 1, characterized in that: A telescopic groove (402) is provided on the inner wall of the engaging groove (401) away from the fixed frame (5); a fixing hole (403) is provided on the inner bottom surface of the telescopic groove (402); a rotating rod (9) is engaged in the fixing hole (403); a threaded structure is provided on the outer wall of the rotating rod (9) and the inner wall of the fixing hole (403) and engages with each other; one end of the rotating rod (9) close to the engaging block (501) is fixedly connected to a positioning block (10); the positioning block (10) is engaged in the positioning groove (502) provided on the engaging block (501); and one end of the rotating rod (9) away from the engaging block (501) is fixedly connected to the rotating block (11).
5. The cleaning device for a three-way catalytic converter of an automobile according to claim 4, characterized in that: The diameter and thickness of the positioning block (10) are respectively equal to the diameter and depth of the positioning groove (502) and the telescopic groove (402).
6. The cleaning device for a three-way catalytic converter for an automobile according to claim 1, characterized in that: A control panel (12) for controlling switches, an adjustment cylinder (3) and a control valve (103) is provided on the outer wall of the cleaning tank (1).
Citation Information
Patent Citations
Cleaning device for three-way catalytic converter of automobile
CN216406970U
Cited By
A high-efficiency automotive three-way catalytic converter cleaning equipment
CN224777770U