Catalytic purifier structure

Abstract

The utility model relates to the technical field of catalytic purifiers, and discloses a catalytic purifier structure which comprises a left shell, a middle shell is arranged on the right side of the left shell in an attached mode, a right shell is arranged on the right side of the middle shell in an attached mode, and a catalyst carrier is fixedly connected to the inner wall of the middle shell. And first connecting columns are fixedly connected to the surface of the left shell and the surface of the right shell. Through cooperation of the vertical block, the through hole, the check block and the limiting support, a user can lock or unlock the cylinder by rotating the first bolt, meanwhile, after the cylinder is locked, the middle shell can be fixed between the left shell and the right shell through the cylinder, after the cylinder is unlocked, the middle shell can be directly separated from the left shell and the right shell, and the middle shell can be separated from the left shell and the right shell. Furthermore, a user can disassemble and assemble the catalyst carrier in the catalytic purifier structure by rotating the first bolt, so that the catalyst carrier in the catalytic purifier structure is more convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of catalytic purifiers, in particular to a catalytic purifier structure. Background Art

[0002] When the automobile engine is working, the pollutants emitted from the exhaust are mainly composed of carbon monoxide, hydrocarbons, nitrogen oxides and particulate matter. At present, the three-way catalytic converter used in automobiles converts and reduces the pollutants carbon monoxide, hydrocarbons and nitrogen dioxide in the exhaust into harmless gases through oxidation or reduction reactions under the action of catalysts and precious metals such as platinum and rhodium, and then discharges them, thereby reducing environmental pollution.

[0003] At present, the catalytic purifiers on the market are mainly composed of a shell and a catalyst carrier, wherein the catalyst carrier is fixed in the shell, and the exhaust gas entering the shell is purified by the catalyst adsorbed on the catalyst carrier. For example, a three-way catalytic purification device for automobiles is disclosed in Chinese Patent Publication No. CN203939559U. However, since the catalyst carrier in the catalytic purifier is troublesome to disassemble and assemble, it is inconvenient for maintenance personnel to replace the damaged catalyst carrier. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: At present, the catalytic purifiers on the market are mainly composed of a shell and a catalyst carrier, wherein the catalyst carrier is fixed in the shell, and the exhaust gas entering the shell is purified by the catalyst adsorbed on the catalyst carrier, but since the catalyst carrier in the catalytic purifier is more troublesome to disassemble and assemble, it is not convenient for maintenance personnel to replace the damaged catalyst carrier, and a catalytic purifier structure is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A catalytic purifier structure comprises a left shell, a middle shell is fitted on the right side of the left shell, a right shell is fitted on the right side of the middle shell, a catalyst carrier is fixedly connected to the inner wall of the middle shell, a first connecting column is fixedly connected to the surface of the left shell and the surface of the right shell, a cylinder is fitted on the surface of the left shell, the surface of the middle shell and the surface of the right shell, a vertical block is fixedly connected to the bottom of the cylinder, a through hole is opened inside the vertical block, a stopper is fixedly connected to the inner wall of the through hole, and a limiting bracket is fitted on the front and rear sides of the vertical block, the side of the stopper and the inner wall of the through hole, and the upper surface of the limiting bracket is fixedly connected to the bottom of the middle shell.

[0007] Preferably, the limit bracket includes a strip ring, the front and rear sides of the vertical block and the inner wall of the through hole are in contact with the inner wall of the strip ring, the left and right sides of the strip ring are in contact with the side of the stop block, the front and rear sides of the inner wall of the strip ring are fixedly connected with hollow blocks, the inner wall of the hollow block is fixedly connected with a bearing, the inner wall of the bearing is fixedly connected with a first bolt, the surface of the first bolt is threadedly connected with a first threaded barrel, the upper surface of the first threaded barrel is fixedly connected to the bottom of the middle shell body, the surface of the first bolt is fixedly connected with a volute spring, the surface of the volute spring and the bottom of the hollow block are fixedly connected with a connecting ring.

[0008] Preferably, the left and right sides of the middle shell, the inner wall of the left shell and the inner wall of the right shell are all fitted with sealing rings, the sides of the sealing rings are bonded with supporting rings, the inner walls of the left shell and the inner walls of the right shell are in contact with the surfaces of the supporting rings, the sides of the supporting rings are fixedly connected with second connecting columns, the sides of the second connecting columns are fixedly connected with vertical plates, the bottoms of the left shell and the right shell are both provided with strip holes, the inner walls of the strip holes are in contact with the surfaces of the vertical plates, the surfaces of the vertical plates are fixedly connected with arc plates, the bottoms of the left shell and the right shell are both in contact with the upper surfaces of the arc plates, the sides of the vertical plates are fitted with pressing brackets, the bottoms of the left shell and the right shell are both fixedly connected with the upper surfaces of the pressing brackets.

[0009] Preferably, the pressing bracket includes a second bolt, a side of the second bolt contacts the side of the vertical plate, a surface of the second bolt is threadedly connected to a second threaded barrel, and the surface of the second threaded barrel, the bottom of the left shell and the bottom of the right shell are fixedly connected to connecting blocks.

[0010] Preferably, the surface of the first threaded cylinder and the bottom of the middle shell are both fixedly connected with reinforcement blocks.

[0011] Preferably, the length of the strip-shaped hole is greater than the thickness of the vertical plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model enables the user to lock or unlock the cylinder by rotating the first bolt through the cooperation of the vertical block, the through hole, the stopper and the limit bracket. At the same time, when the cylinder is locked, the middle shell can be fixed between the left shell and the right shell through the cylinder. When the cylinder is unlocked, the middle shell can be directly separated from the left shell and the right shell. Then, the user can complete the disassembly and assembly of the catalyst carrier in the catalytic purifier structure by rotating the first bolt, thereby making it more convenient to replace the catalyst carrier in the catalytic purifier structure.

[0014] (2) The utility model achieves close contact between the sealing ring and the middle shell by cooperating with the support ring, the second connecting column, the vertical plate, the strip hole, the arc plate and the pressing bracket, and can seal the contact surface between the middle shell and the left shell and the contact surface between the middle shell and the right shell through the sealing ring, thereby preventing the exhaust gas entering the catalytic purifier structure from leaking out from the contact surface between the middle shell and the left shell or the contact surface between the middle shell and the right shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 for Figure 1 Enlarged view of point B in the middle;

[0018] Figure 4 for Figure 1 Sectional view at CC;

[0019] Figure 5 for Figure 4 Enlarged view of point D in the middle;

[0020] Figure 6 It is a front view of the structure of the utility model;

[0021] Figure 7 It is a side view of the support ring in the utility model.

[0022] In the figure: 1. left shell; 2. middle shell; 3. right shell; 4. catalyst carrier; 5. first connecting column; 6. cylinder; 7. vertical block; 8. through hole; 9. stopper; 10. limit bracket; 101. strip ring; 102. hollow block; 103. bearing; 104. first bolt; 105. first threaded cylinder; 106. volute spring; 107. connecting ring; 11. sealing ring; 12. supporting ring; 13. second connecting column; 14. vertical plate; 15. strip hole; 16. arc plate; 17. pressing bracket; 171. second bolt; 172. second threaded cylinder; 173. connecting block; 18. reinforcement block. DETAILED DESCRIPTION

[0023] 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.

[0024] 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.

[0025] Embodiment 1:

[0026] Reference Figure 1-6 A catalytic purifier structure comprises a left shell 1, a middle shell 2 is fitted on the right side of the left shell 1, a right shell 3 is fitted on the right side of the middle shell 2, a catalyst carrier 4 is fixedly connected to the inner wall of the middle shell 2, a first connecting column 5 is fixedly connected to the surface of the left shell 1 and the surface of the right shell 3, the left shell 1 and the right shell 3 are connected together by the first connecting column 5, a cylinder 6 is fitted on the surface of the left shell 1, the surface of the middle shell 2 and the surface of the right shell 3, a vertical block 7 is fixedly connected to the bottom of the cylinder 6, a through hole 8 is opened inside the vertical block 7, a stopper 9 is fixedly connected to the inner wall of the through hole 8, a limiting bracket 10 is fitted on the front and rear sides of the vertical block 7, the side of the stopper 9 and the inner wall of the through hole 8, and the upper surface of the limiting bracket 10 is fixedly connected to the bottom of the middle shell 2.

[0027] The limiting bracket 10 includes a strip ring 101, the front and rear sides of the vertical block 7 and the inner wall of the through hole 8 are in contact with the inner wall of the strip ring 101, the left and right sides of the strip ring 101 are in contact with the side of the stopper 9, the front and rear sides of the inner wall of the strip ring 101 are fixedly connected with a hollow block 102, the inner wall of the hollow block 102 is fixedly connected with a bearing 103, the inner wall of the bearing 103 is fixedly connected with a first bolt 104, the first bolt 104 is connected to the hollow block 102 through the bearing 103, the surface of the first bolt 104 is threadedly connected with a first threaded barrel 105, when the first bolt 104 rotates, the first bolt 104 and the first threaded barrel 105 cooperate to make the strip ring 101 move upward or downward, the surface of the first threaded barrel 105 and the bottom of the middle shell 2 are fixedly connected with a reinforcing block 18, the first threaded barrel 105 and the middle shell 2 are fixedly connected with the reinforcing block 18 The middle shell 2 is fixed more firmly, the upper surface of the first threaded cylinder 105 is fixedly connected to the bottom of the middle shell 2, the surface of the first bolt 104 is fixedly connected with a volute spring 106, the surface of the volute spring 106 and the bottom of the hollow block 102 are fixedly connected with a connecting ring 107, through the elastic force of the volute spring 106, the position of the strip ring 101 of the catalytic purifier structure is not easy to change after being vibrated, when the strip ring 101 contacts the side of the block 9, the cooperation of the strip ring 101 and the block 9 makes the cylinder 6 unable to slide on the middle shell 2, and the middle shell 2 is fixed between the left shell 1 and the right shell 3 through the cylinder 6, when the strip ring 101 is staggered with the block 9, the cylinder 6 can slide freely on the middle shell 2, and when the cylinder 6 is separated from the left shell 1 and the right shell 3, the middle shell 2 can be taken away from between the left shell 1 and the right shell 3.

[0028] Embodiment 2:

[0029] Reference Figure 1-7 The left and right sides of the middle shell 2, the inner wall of the left shell 1 and the inner wall of the right shell 3 are all fitted with sealing rings 11, and the side of the sealing ring 11 is bonded with a support ring 12. The inner wall of the left shell 1 and the inner wall of the right shell 3 are both in contact with the surface of the support ring 12. The side of the support ring 12 is fixedly connected with a second connecting column 13, and the side of the second connecting column 13 is fixedly connected with a vertical plate 14. The bottom of the left shell 1 and the bottom of the right shell 3 are both provided with a strip hole 15, and the inner wall of the strip hole 15 is in contact with the vertical plate 14. The surface of the plate 14 is in contact, the length of the strip hole 15 is greater than the thickness of the vertical plate 14, the vertical plate 14 can slide left and right in the strip hole 15, the surface of the vertical plate 14 is fixedly connected with an arc plate 16, the bottom of the left shell 1 and the bottom of the right shell 3 are both in contact with the upper surface of the arc plate 16, and the strip hole 15 is sealed by the arc plate 16, and a pressing bracket 17 is fitted on the side of the vertical plate 14, and the bottom of the left shell 1 and the bottom of the right shell 3 are both fixedly connected to the upper surface of the pressing bracket 17.

[0030] The pressing bracket 17 includes a second bolt 171, the side of the second bolt 171 contacts the side of the vertical plate 14, the surface of the second bolt 171 is threadedly connected with a second threaded barrel 172, and the surface of the second threaded barrel 172, the bottom of the left shell 1 and the bottom of the right shell 3 are fixedly connected with a connecting block 173. When the second bolt 171 rotates, the second bolt 171 moves leftward or rightward through the cooperation of the second bolt 171 and the second threaded barrel 172. When the second bolt 171 presses the vertical plate 14, the sealing ring 11 and the middle shell 2 can be in close contact through the cooperation of the support ring 12, the second connecting column 13, the vertical plate 14, the strip hole 15, the arc plate 16 and the pressing bracket 17, and the contact surface between the middle shell 2 and the left shell 1 and the contact surface between the middle shell 2 and the right shell 3 can be sealed through the sealing ring 11, so that the exhaust gas entering the catalytic purifier structure is not easy to leak from the contact surface between the middle shell 2 and the left shell 1 or the contact surface between the middle shell 2 and the right shell 3.

[0031] In the utility model, when the user assembles the catalytic purifier structure, the user first rotates the first bolt 104 to make the strip ring 101 move downward under the cooperation of the first bolt 104 and the first threaded cylinder 105. When the strip ring 101 is staggered with the stopper 9, the cylinder 6 is moved to make the distance between the left and right cylinders 6 reach the minimum value, and the bottom of the stopper 9 is in contact with the strip ring 101. At this time, the stopper 9 prevents the strip ring 101 from moving upward. Then, the middle shell 2 is inserted between the left shell 1 and the right shell 3, and the cylinder 6 is moved to be sleeved on the left shell 1 or the right shell 3. When the two cylinders 6 are respectively sleeved on the left shell 1 and the right shell 3, the elastic force of the volute spring 106 is used to make the first and second cylinders 6 move upward. A bolt 104 can rotate automatically, and through the cooperation of the first bolt 104 and the first threaded barrel 105, the strip ring 101 contacts the side of the block 9. At this time, through the cooperation of the strip ring 101 and the block 9, the cylinder 6 is fixed on the left shell 1 and the right shell 3, and the middle shell 2 is fixed between the left shell 1 and the right shell 3 through the cylinder 6. When the catalyst carrier 4 needs to be disassembled, the first bolt 104 is first rotated to make the strip ring 101 move downward under the cooperation of the first bolt 104 and the first threaded barrel 105. When the strip ring 101 is staggered with the block 9, the cylinder 6 is moved to separate the cylinder 6 from the left shell 1 and the right shell 3, and the middle shell 2 is removed from between the left shell 1 and the right shell 3.

[0032] 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.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A catalytic converter structure, comprising a left housing (1), characterized in that: The right side of the left shell (1) is fitted with a middle shell (2), the right side of the middle shell (2) is fitted with a right shell (3), the inner wall of the middle shell (2) is fixedly connected with a catalyst carrier (4), the surface of the left shell (1) and the surface of the right shell (3) are both fixedly connected with a first connecting column (5), the surface of the left shell (1), the surface of the middle shell (2) and the surface of the right shell (3) are all fitted with a cylinder (6), the bottom of the cylinder (6) is fixedly connected with a vertical block (7), the interior of the vertical block (7) is provided with a through hole (8), the inner wall of the through hole (8) is fixedly connected with a stopper (9), the front and rear sides of the vertical block (7), the side surface of the stopper (9) and the inner wall of the through hole (8) are all fitted with a limiting bracket (10), and the upper surface of the limiting bracket (10) is fixedly connected to the bottom of the middle shell (2).

2. A catalytic converter structure according to claim 1, characterized in that: The limit bracket (10) comprises a strip ring (101), the front and rear sides of the vertical block (7) and the inner wall of the through hole (8) are in contact with the inner wall of the strip ring (101), the left and right sides of the strip ring (101) are in contact with the side surface of the stopper (9), the front and rear sides of the inner wall of the strip ring (101) are fixedly connected with a hollow block (102), the inner wall of the hollow block (102) is fixedly connected with a bearing (103), the inner wall of the bearing (103) is fixedly connected with a first bolt (104), the surface of the first bolt (104) is threadedly connected with a first threaded barrel (105), the upper surface of the first threaded barrel (105) is fixedly connected with the bottom of the middle shell (2), the surface of the first bolt (104) is fixedly connected with a volute spring (106), the surface of the volute spring (106) and the bottom of the hollow block (102) are fixedly connected with a connecting ring (107).

3. A catalytic converter structure according to claim 1, characterized in that: The left and right sides of the middle shell (2), the inner wall of the left shell (1) and the inner wall of the right shell (3) are all fitted with sealing rings (11); the side of the sealing ring (11) is bonded with a supporting ring (12); the inner wall of the left shell (1) and the inner wall of the right shell (3) are both in contact with the surface of the supporting ring (12); the side of the supporting ring (12) is fixedly connected with a second connecting column (13); the side of the second connecting column (13) is fixedly connected with a vertical plate (14); the bottom and The bottom of the right shell (3) is provided with a strip hole (15), the inner wall of the strip hole (15) is in contact with the surface of the vertical plate (14), the surface of the vertical plate (14) is fixedly connected with an arc plate (16), the bottom of the left shell (1) and the bottom of the right shell (3) are in contact with the upper surface of the arc plate (16), the side of the vertical plate (14) is fitted with a pressing bracket (17), and the bottom of the left shell (1) and the bottom of the right shell (3) are fixedly connected with the upper surface of the pressing bracket (17).

4. A catalytic converter structure according to claim 3, characterized in that: The pressing bracket (17) comprises a second bolt (171), the side surface of the second bolt (171) contacts the side surface of the vertical plate (14), the surface of the second bolt (171) is threadedly connected to a second threaded barrel (172), and the surface of the second threaded barrel (172), the bottom of the left shell (1) and the bottom of the right shell (3) are all fixedly connected to a connecting block (173).

5. A catalytic converter structure according to claim 2, characterized in that: The surface of the first threaded cylinder (105) and the bottom of the middle shell (2) are both fixedly connected with reinforcement blocks (18).

6. A catalytic converter structure according to claim 3, characterized in that: The length of the strip-shaped hole (15) is greater than the thickness of the vertical plate (14).

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