CN109723523B

CN109723523B - Flow adjustable urea nozzle

Info

Publication number: CN109723523B
Application number: CN201811610892.1A
Authority: CN
Inventors: 楼夙训
Original assignee: Ningbo Anchuang Electronic Technology Co ltd
Current assignee: Ningbo Anchuang Electronic Technology Co ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-05-19
Anticipated expiration: 2038-12-27
Also published as: CN109723523A

Abstract

The invention discloses a flow-adjustable urea nozzle, which aims at solving the problems that the existing urea nozzle is inconvenient to install or disassemble a filter plate and cannot adjust the flow of entering automobile exhaust. The automobile exhaust filter plate is novel in design, ingenious in structure, simple to operate, convenient to mount or dismount, capable of adjusting the flow of automobile exhaust according to needs, high in flexibility and beneficial to popularization and use.

Description

Flow adjustable urea nozzle

Technical Field

The invention relates to the technical field of urea nozzles, in particular to a urea nozzle with adjustable flow.

Background

The urea nozzle, also known as a metering module, is a stainless steel injector mounted on the exhaust pipe. In automotive systems, urea nozzles are positioned on the exhaust lines for the elimination of atmospheric harmful substances in the exhaust gases. But traditional urea nozzle can not adjust the automobile exhaust's that gets into flow, and the flexibility is poor, and current urea nozzle is not convenient moreover to install or dismantle the filter that filters tail gas, more and more can not satisfy people's daily user demand, consequently needs us to design a flow adjustable urea nozzle, solves these problems.

Disclosure of Invention

The urea nozzle with the adjustable flow rate solves the problems that the existing urea nozzle is inconvenient to mount or dismount a filter plate for filtering tail gas, and cannot adjust the flow rate of entering automobile tail gas.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a flow adjustable urea nozzle, includes the casing, the inside of casing is provided with baffle and filter, has seted up the opening on the baffle, and the adjustment tank has been seted up to the open-ended below, and the inside sliding connection of opening and adjustment tank has the regulating block, and one side top that the regulating block is close to the filter is fixed with the dead lever, and one side edge department that the filter is close to the baffle is fixed with the baffle, has seted up two fixed chambeies on the filter, is fixed with two guide bars, two between the inner wall in fixed chamber sliding sleeve is equipped with fly leaf and spring on the guide bar, and the spring all is located two between the fly leaf, two one end that the fly leaf was kept away from mutually all is fixed with the installation piece, has seted up a plurality of mounting grooves on one side inner wall of casing, and one side that the filter is far away from the.

Preferably, the outer wall of the partition board is fixedly connected with the inner wall of the shell, the partition board is positioned between the filter board and the liquid inlet, and the electromagnetic valve is arranged in the liquid inlet.

Preferably, opening, adjustment tank and regulating block are the half-circular arc structure, and one side top of regulating block is fixed with first stopper, and first spacing groove has been seted up on the open-ended top, the inner wall sliding connection of first stopper and first spacing groove.

Preferably, a second limiting block is fixed at the bottom end of one side of the adjusting block, a second limiting groove is formed in the bottom end of the opening, and the second limiting block is connected with the inner wall of the second limiting groove in a sliding mode.

Preferably, the fixed cavity with the mounting groove all is central symmetry setting, and the size of installation piece and the size phase-match of mounting groove, and the one side that the fly leaf was kept away from to the installation piece is convex structure.

Preferably, the installation blocks are located between the two guide rods, through holes are formed in two ends of the filter plate, and the installation blocks are connected with the inner walls of the two through holes in a sliding mode.

Preferably, two sliding holes are formed in the movable plate, the guide rods are connected with the inner wall of each sliding hole in a sliding mode, and two ends of each spring are fixedly connected with one side, close to the fixed cavity and the movable plate, of each spring respectively.

The invention has the beneficial effects that:

1. the movable plate drives the two mounting blocks to be stably close to or far away from each other under the elastic action of the spring through the pressure loosening mounting blocks, and the mounting or dismounting of the filter plate is facilitated due to the matching effect of the mounting blocks and the mounting grooves;

2. the filter plate is driven to rotate through the rotating connecting rod, the baffle plate drives the adjusting block to rotate, and the flow of automobile exhaust can be adjusted under the limiting effect of the mounting block and the mounting groove.

The automobile exhaust filter plate is novel in design, ingenious in structure, simple to operate, convenient to mount or dismount, capable of adjusting the flow of automobile exhaust according to needs, high in flexibility and beneficial to popularization and use.

Drawings

FIG. 1 is a front view of a flow adjustable urea nozzle according to the present invention;

FIG. 2 is a side view of the structure of the filter plate of a flow-adjustable urea nozzle according to the present invention;

FIG. 3 is a structural side view of a partition plate of a urea nozzle with adjustable flow rate according to the present invention.

In the figure: the device comprises a shell 1, a partition plate 2, a filter plate 3, an opening 4, an adjusting groove 5, an adjusting block 6, a first limiting block 7, a second limiting block 8, a first limiting groove 9, a second limiting groove 10, a fixing rod 11, a baffle 12, a fixing cavity 13, a guide rod 14, a movable plate 15, an installation block 16, a spring 17, an installation groove 18, a connecting rod 19, a liquid inlet 20 and a liquid inlet pipe 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a flow-adjustable urea nozzle comprises a casing 1, a partition plate 2 and a filter plate 3 are arranged inside the casing 1, an opening 4 is formed on the partition plate 2, an adjusting groove 5 is formed below the opening 4, an adjusting block 6 is slidably connected inside the opening 4 and the adjusting groove 5, a fixing rod 11 is fixed at the top end of one side of the adjusting block 6 close to the filter plate 3, a baffle 12 is fixed at the edge of one side of the filter plate 3 close to the partition plate 2, two fixing cavities 13 are formed on the filter plate 3, two guide rods 14 are fixed between the inner walls of the fixing cavities 13, movable plates 15 and springs 17 are slidably sleeved on the two guide rods 14, the springs 17 are located between the two movable plates 15, a mounting block 16 is fixed at one end of the two movable plates 15 far away from each other, a plurality of mounting grooves 18 are formed on the inner wall of one side of the casing 1, a liquid inlet 20 is arranged at the top end of the other side of the shell 1, and a liquid inlet pipe 21 is fixed in the liquid inlet 20. The automobile exhaust filter plate is novel in design, ingenious in structure, simple to operate, convenient to mount or dismount, capable of adjusting the flow of automobile exhaust according to needs, high in flexibility and beneficial to popularization and use.

In the embodiment, the fixing mode between the components is one of screw fixing or welding fixing, the outer wall of the partition board 2 is fixedly connected with the inner wall of the shell 1, the partition board 2 is positioned between the filter board 3 and the liquid inlet 20, the electromagnetic valve is installed inside the liquid inlet 20, the opening 4, the adjusting groove 5 and the adjusting block 6 are all in a semi-arc structure, the top end of one side of the adjusting block 6 is fixed with the first limiting block 7, the top end of the opening 4 is provided with the first limiting groove 9, the first limiting block 7 is slidably connected with the inner wall of the first limiting groove 9, the bottom end of one side of the adjusting block 6 is fixed with the second limiting block 8, the bottom end of the opening 4 is provided with the second limiting groove 10, the second limiting block 8 is slidably connected with the inner wall of the second limiting groove 10, the fixing cavity 13 and the mounting groove 18 are both arranged in central symmetry, the size of the mounting block 16 is matched with the size of the mounting, the installation blocks 16 are located between the two guide rods 14, through holes are formed in the two ends of the filter plate 3, the two installation blocks 16 are connected with the inner walls of the two through holes in a sliding mode respectively, two sliding holes are formed in the movable plate 15, the guide rods 14 are connected with the inner walls of the sliding holes in a sliding mode, and the two ends of the spring 17 are fixedly connected with one side, close to the fixed cavity 13 and the movable plate 15 respectively.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The working principle is as follows: when the filter plate is used, an operator presses the mounting block 16 to enable the mounting block 16 to drive the two movable plates 15 to approach each other, at the moment, the spring 17 is in a compressed state, the filter plate 3 extends into the shell 1, when the positions of the two mounting blocks 16 respectively correspond to the positions of the two mounting grooves 18, under the elastic action of the spring 17, due to the limiting action of the guide rod 14, the movable plate 15 drives the two mounting blocks 16 to stably and mutually keep away from each other, so that the mounting blocks 16 are clamped into the mounting grooves 18, and one sides of the mounting blocks 16 far away from the movable plate 15 are both in a circular arc-shaped structure, so that the aim of conveniently mounting or dismounting the filter plate 3 is fulfilled, in addition, when the filter plate 3 is mounted, the filter plate 3 is driven to rotate by rotating the connecting rod 19, so that the baffle plate 12 drives the fixing rod 11 to rotate, because a plurality of mounting grooves 18 have been seted up to the symmetry on one side inner wall of casing 1, and then conveniently inject the position of filter 3, finally reach the purpose of adjusting automobile exhaust flow, then open the solenoid valve in feed liquor pipe 21, with urea solution in feed liquor pipe 21 and inlet 20 entering casing 1 in proper order.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A urea nozzle with adjustable flow comprises a shell (1) and is characterized in that a partition plate (2) and a filter plate (3) are arranged inside the shell (1), an opening (4) is formed in the partition plate (2), an adjusting groove (5) is formed below the opening (4), an adjusting block (6) is connected inside the opening (4) and the adjusting groove (5) in a sliding mode, a fixing rod (11) is fixed at the top end of one side, close to the filter plate (3), of the adjusting block (6), a baffle plate (12) is fixed at the edge of one side, close to the partition plate (2), of the filter plate (3), two fixing cavities (13) are formed in the filter plate (3), two guide rods (14) are fixed between the inner walls of the fixing cavities (13), two movable plates (15) and springs (17) are slidably sleeved on the guide rods (14), and the springs (17) are located between the movable plates (15), two one end that fly leaf (15) kept away from mutually all is fixed with installation piece (16), has seted up a plurality of mounting grooves (18) on the one side inner wall of casing (1), and one side that baffle (2) were kept away from in filter (3) is fixed with two connecting rods (19), and inlet (20) have been seted up on the opposite side top of casing (1), and the inside of inlet (20) is fixed with feed liquor pipe (21).

2. Urea nozzle according to claim 1, characterized in that the outer wall of the partition (2) is fixedly connected to the inner wall of the housing (1), the partition (2) is located between the filter plate (3) and the inlet (20), and the inlet (20) is internally provided with a solenoid valve.

3. The urea nozzle with the adjustable flow rate according to claim 1, wherein the opening (4), the adjusting groove (5) and the adjusting block (6) are all of a semi-circular arc structure, a first limiting block (7) is fixed at the top end of one side of the adjusting block (6), a first limiting groove (9) is formed in the top end of the opening (4), and the first limiting block (7) is slidably connected with the inner wall of the first limiting groove (9).

4. The urea nozzle with the adjustable flow rate according to claim 1, wherein a second limiting block (8) is fixed at the bottom end of one side of the adjusting block (6), a second limiting groove (10) is formed at the bottom end of the opening (4), and the second limiting block (8) is slidably connected with the inner wall of the second limiting groove (10).

5. A urea nozzle with adjustable flow according to claim 1, characterized in that the fixed cavity (13) and the mounting groove (18) are arranged centrosymmetrically, the size of the mounting block (16) matches with the size of the mounting groove (18), and the side of the mounting block (16) away from the movable plate (15) is of a circular arc structure.

6. Urea nozzle according to claim 1, characterised in that the mounting blocks (16) are located between the two guide bars (14), that the filter plate (3) is provided with through holes at both ends, and that the two mounting blocks (16) are slidably connected to the inner walls of the two through holes, respectively.

7. The urea nozzle with the adjustable flow rate according to claim 1, wherein the movable plate (15) is provided with two sliding holes, the guide rods (14) are slidably connected with the inner walls of the sliding holes, and two ends of the spring (17) are fixedly connected with one side of the fixed cavity (13) and one side of the movable plate (15) close to each other.