CN214997864U

CN214997864U - Urea pump welding assembly structure for heavy truck

Info

Publication number: CN214997864U
Application number: CN202121567881.7U
Authority: CN
Inventors: 朱晓龙
Original assignee: Qingdao Weiteng Precision Plastic Co ltd
Current assignee: Qingdao Weiteng Medical Technology Co.,Ltd.
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-03
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a urea pump welding assembly structure for heavy truck relates to the urea pump field, including the urea pump body, the filter tube, the intercommunication sets up in the urea pump body outside, and the filter tube inboard is located in the filtering mechanism, the activity, and the filtering mechanism is used for realizing the filtration to urea case liquid to and clean mechanism, locate the filter tube inboard, clean mechanism is including installation component and cleaning plate, and on installation component located the filter tube, on the cleaning plate located the installation component. This a urea pump welding assembly structure for heavy truck, through the clean mechanism on the filter tube, can realize the cleanness to the feed liquor filter screen, avoid the feed liquor filter screen to take place to block up, lead to the imbibition ability decline of urea pump, the ability of neutralization tail gas descends, this a urea pump welding assembly structure for heavy truck, through pressing down depression bar and expanding spring, dismantlement piece and placing the hole, can be convenient for to the dismantlement of filter equipment, it is troublesome to avoid dismantling, influence the life of urea pump.

Description

Urea pump welding assembly structure for heavy truck

Technical Field

The utility model relates to a urea pump technical field specifically is a urea pump welding assembly structure for heavy truck.

Background

The urea pump is an important component of a urea solution injection metering system, has the main function of pumping urea solution in a urea tank and keeping a certain pressure, and then is conveyed to an injection unit to meet the requirements of the injection metering system on flow and pressure, and plays a remarkable role in improving environmental pollution caused by exhaust emission.

If it contains impurity to go up solution in the urea case, urea pump live time overlength, can lead to the feed liquor filter screen below the motor in the pump to take place to block up, can lead to heavy truck to run a period, can take place to fall and turn round, the imbibition ability of urea pump descends, the ability of neutralization tail gas descends, when the feed liquor filter screen is clean, need dismantle the feed liquor filter screen, current feed liquor filter screen is installed in the urea pump, it is more troublesome to dismantle, need dismantle the urea pump, influence the life of urea pump.

SUMMERY OF THE UTILITY MODEL

The utility model provides a urea pump welding assembly structure for heavy truck through the clean mechanism on the filter tube, can realize the cleanness to the feed liquor filter screen, avoids the feed liquor filter screen to take place to block up, leads to the imbibition ability decline of urea pump, and the ability of well and tail gas descends, through pressing down depression bar and expanding spring, dismantlement piece and placing the hole, can be convenient for to the dismantlement of filter mechanism, avoids dismantling the trouble, influences the life of urea pump.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a urea pump welding assembly structure for a heavy truck, comprising:

a urea pump body;

the filter pipe is communicated with the outer side of the urea pump body;

the filtering mechanism is movably arranged on the inner side of the filtering pipe and is used for filtering the liquid in the urea box; and

the cleaning mechanism is arranged on the inner side of the filter pipe and comprises an installation part and a cleaning plate, the installation part is arranged on the filter pipe, and the cleaning plate is arranged on the installation part and used for cleaning the filter mechanism.

Further, filtering mechanism is including placing pipe, first filter screen, placing hole and second filter screen, place pipe and filter tube screw-thread fit, first filter screen is fixed to be set up in the inboard of placing the pipe, the second filter screen is fixed to be set up in the inboard of placing the pipe, place the outside that the hole was seted up in first filter screen.

Further, the installation component comprises a filter cover, an installation hole and an installation cylinder, the filter cover is in threaded fit with the filter pipe, the installation hole is formed in the outer side of the filter cover, the installation cylinder is in running fit with the installation hole, and the cleaning plate is fixedly arranged on one side of the outer wall of the installation cylinder.

Further, still include disassembly body, disassembly body includes elastic component and dismantles the piece, it sets up on elastic component to dismantle the piece is fixed.

Furthermore, elastic component is including pressing down the depression bar and expanding spring, press down depression bar and installation section of thick bamboo sliding fit, expanding spring cover is located and is pressed down the outer wall of depression bar, dismantle the fixed setting in outer wall one side of pressing down the depression bar of piece.

Further, the outer wall one side of an installation section of thick bamboo is fixed and is provided with the installation axle, the outer wall cover of installation axle is equipped with the limiting plate.

Furthermore, the top of the outer wall of the urea pump body is communicated with a urea outlet pipe, and one side of the outer wall of the urea pump body is provided with a support through a bolt.

The utility model provides a urea pump welding assembly structure for heavy truck. The method has the following beneficial effects:

(1) this a urea pump welding assembly structure for heavy truck through the clean mechanism on the filter tube, can realize the cleanness to the feed liquor filter screen, avoids the feed liquor filter screen to take place to block up, leads to the imbibition ability decline of urea pump, and the ability of neutralization tail gas descends.

(2) This a urea pump welding assembly structure for heavy truck through pressing down pole and expanding spring, dismantlement piece and placing the hole, can be convenient for to filtering mechanism's dismantlement, avoids dismantling the trouble, influences the life of urea pump.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a partial cross-sectional view of a filter tube according to the present invention;

fig. 4 is an exploded view of the filter mechanism of the present invention.

In the figure: 1. a urea pump body; 2. a filter tube; 3. a filtering mechanism; 301. placing a tube; 302. a first filter screen; 303. placing holes; 304. a second filter screen; 4. a cleaning mechanism; 401. a filter cover; 402. mounting holes; 403. mounting the cylinder; 404. cleaning the plate; 5. a disassembly mechanism; 501. a pressing lever; 502. a tension spring; 503. disassembling the block; 6. installing a shaft; 7. a limiting plate; 8. a urea outlet pipe; 9. and (4) a bracket.

Detailed Description

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

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a urea pump welding assembly structure for a heavy truck, comprising:

a urea pump body 1;

the filter pipe 2 is communicated with and arranged on the outer side of the urea pump body 1;

the filtering mechanism 3 is movably arranged on the inner side of the filtering pipe 2, and the filtering mechanism 3 is used for filtering the liquid in the urea box; and

the cleaning mechanism 4 is arranged on the inner side of the filter pipe 2, the cleaning mechanism 4 comprises an installation part and a cleaning plate 404, the installation part is arranged on the filter pipe 2, and the cleaning plate 404 is arranged on the installation part and used for cleaning the filter mechanism 3.

In this embodiment: through the urea pump body 1, can realize the neutralization to tail gas for heavy truck tail gas reaches the standard of emission, through filter tube 2 and filter mechanism 3, can realize filtering the impurity in urea case solution, through clean mechanism 4, can realize cleaning first filter screen 302 in filter mechanism 3, avoid first filter screen 302 to take place to block up, lead to the imbibition ability of urea pump to descend, and the ability of neutralizing tail gas descends.

Specifically, the filter mechanism 3 includes a placing pipe 301, a first filter screen 302, a placing hole 303 and a second filter screen 304, the placing pipe 301 is in threaded fit with the filter pipe 2, the first filter screen 302 is fixedly arranged on the inner side of the placing pipe 301, the second filter screen 304 is fixedly arranged on the inner side of the placing pipe 301, and the placing hole 303 is arranged on the outer side of the first filter screen 302.

In this embodiment: through first filter screen 302 and second filter screen 304, can realize the filtration to solution impurity, through placing pipe 301, can be convenient for to the installation and the dismantlement of filter equipment 3, place the outer wall of pipe 301 and the inner wall threaded connection of filter tube 2.

Specifically, the mounting component includes filter cover 401, mounting hole 402 and installation section of thick bamboo 403, and filter cover 401 and filter pipe 2 screw-thread fit, and mounting hole 402 is seted up in the outside of filter cover 401, and installation section of thick bamboo 403 and mounting hole 402 normal running fit, clean board 404 fixed set up in installation section of thick bamboo 403 outer wall one side.

In this embodiment: the cleaning plate 404 can be mounted by the mounting component, and the mounting cylinder 403 can be rotated through the mounting hole 402, so that the cleaning plate 404 is rotated to complete the cleaning of the first filter screen 302.

Specifically, the device further comprises a detaching mechanism 5, wherein the detaching mechanism 5 comprises an elastic component and a detaching block 503, and the detaching block 503 is fixedly arranged on the elastic component.

In this embodiment: the filter mechanism 3 can be detached from the filter tube 2 by detaching the block 503, and the detaching block 503 is slidably fitted to the placing hole 303.

Specifically, the elastic assembly includes a pressing rod 501 and a telescopic spring 502, the pressing rod 501 is in sliding fit with the mounting tube 403, the telescopic spring 502 is sleeved on the outer wall of the pressing rod 501, and the detaching block 503 is fixedly arranged on one side of the outer wall of the pressing rod 501.

In this embodiment: the elastic member allows the detaching block 503 to come out of the mounting tube 403, and one end of the extension spring 502 is fixedly disposed on the outer wall of the pressing rod 501 and is disposed in the mounting tube 403.

Specifically, an installation shaft 6 is fixedly arranged on one side of the outer wall of the installation barrel 403, and a limiting plate 7 is sleeved on the outer wall of the installation shaft 6.

In this embodiment: through installation axle 6 and limiting plate 7, can realize the fixed of pressing the depression bar 501 position, avoid pressing the depression bar 501 under expanding spring 502's effect, resume the normal position, be not convenient for to the dismantlement of filter mechanism 3, installation axle 6 and limiting plate 7 sliding fit.

Specifically, the top of the outer wall of the urea pump body 1 is communicated with a urea outlet pipe 8, and one side of the outer wall of the urea pump body 1 is provided with a support 9 through a bolt.

In this embodiment: through urea outlet pipe 8, can realize the neutralization to tail gas, through support 9, can realize the installation to the urea pump body 1 for the urea pump body 1 can be installed on heavy truck.

During the use, install filtering mechanism 3 in filter tube 2 earlier, be used for the filtration to solution impurity, when impurity in first filter screen 302 is too much, install filter lid 401 on filter tube 2, rotatory installation section of thick bamboo 403, make cleaning plate 404 rotate on first filter screen 302 surface, clear up the impurity in the filter screen, avoid the feed liquor filter screen to take place the jam, lead to the imbibition ability decline of urea pump, the ability of neutralization tail gas descends, when needing to dismantle filtering mechanism 3, press down pole 501, make dismantlement piece 503 card in placing hole 303, place the limiting plate 7 rotation and press down on the pole 501 outside, avoid pressing back according to pole 501, it dismantles to rotate installation section of thick bamboo 403 again to make filtering mechanism 3, avoid dismantling the trouble, influence the life of urea pump.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A urea pump welding assembly structure for a heavy truck, comprising:

a urea pump body (1);

the filter pipe (2) is communicated with and arranged on the outer side of the urea pump body (1);

the filtering mechanism (3) is movably arranged on the inner side of the filtering pipe (2), and the filtering mechanism (3) is used for filtering the liquid in the urea box; and

the cleaning mechanism (4) is arranged on the inner side of the filter pipe (2), the cleaning mechanism (4) comprises an installation part and a cleaning plate (404), the installation part is arranged on the filter pipe (2), and the cleaning plate (404) is arranged on the installation part and used for cleaning the filter mechanism (3).

2. A urea pump welding assembly structure for heavy trucks according to claim 1, characterized in that: filtering mechanism (3) including placing pipe (301), first filter screen (302), place hole (303) and second filter screen (304), place pipe (301) and filter tube (2) screw-thread fit, first filter screen (302) are fixed to be set up in the inboard of placing pipe (301), second filter screen (304) are fixed to be set up in the inboard of placing pipe (301), place hole (303) and set up in the outside of first filter screen (302).

3. A urea pump welding assembly structure for heavy trucks according to claim 2, characterized in that: the mounting component comprises a filter cover (401), a mounting hole (402) and a mounting cylinder (403), the filter cover (401) is in threaded fit with the filter pipe (2), the mounting hole (402) is formed in the outer side of the filter cover (401), the mounting cylinder (403) is in running fit with the mounting hole (402), and the cleaning plate (404) is fixedly arranged on one side of the outer wall of the mounting cylinder (403).

4. A urea pump welding assembly structure for heavy trucks according to claim 3, characterized in that: still include disassembly body (5), disassembly body (5) include elastic component and dismantlement piece (503), dismantle piece (503) fixed the setting on elastic component.

5. A urea pump welding assembly structure for heavy trucks according to claim 4, characterized in that: the elastic assembly comprises a pressing rod (501) and a telescopic spring (502), the pressing rod (501) is in sliding fit with the installation tube (403), the telescopic spring (502) is sleeved on the outer wall of the pressing rod (501), and the disassembling block (503) is fixedly arranged on one side of the outer wall of the pressing rod (501).

6. A urea pump welding assembly structure for heavy trucks according to claim 5, characterized in that: the installation shaft (6) is fixedly arranged on one side of the outer wall of the installation barrel (403), and a limiting plate (7) is sleeved on the outer wall of the installation shaft (6).

7. A urea pump welding assembly structure for heavy trucks according to claim 6, characterized in that: the urea pump body is characterized in that a urea outlet pipe (8) is communicated with the top of the outer wall of the urea pump body (1), and a support (9) is arranged on one side of the outer wall of the urea pump body (1) through bolts.