CN213313743U - Filter screen quick detach structure and urea case - Google Patents
Filter screen quick detach structure and urea case Download PDFInfo
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- CN213313743U CN213313743U CN202021589616.4U CN202021589616U CN213313743U CN 213313743 U CN213313743 U CN 213313743U CN 202021589616 U CN202021589616 U CN 202021589616U CN 213313743 U CN213313743 U CN 213313743U
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Abstract
The utility model discloses a filter screen rapid disassembly structure, it includes liquid mouth stopper and filter screen structure, filter screen structure locates one side of liquid mouth stopper, the liquid mouth stopper have can dismantle the fastening structure of being connected with the urea case. The utility model discloses a filter screen rapid disassembly structure has easy dismounting, simple structure and the less advantage of maintenance cost.
Description
Technical Field
The utility model relates to an automobile parts technical field especially relates to a filter screen rapid disassembly structure who uses in urea case.
Background
The urea box is a common automobile part, and the urea box is filled with urea solution and is mainly used for trucks and buses. The tail gas of the vehicle is discharged after passing through the urea box, thereby reaching the national emission standard.
Urea case generally includes box, urea sensor, tap hole screw and filter screen, and in traditional urea case structure, have the cavity that is used for depositing liquid in the box, the drain plug sets up in the tap hole in order to open or close the tap hole, and the filter screen is integrated as an organic whole with the urea sensor, and the filter screen can lead to self to produce the dirt in the filtering process, for guaranteeing the filter effect, needs regularly to wash the filter screen. When the filter screen needs to be cleaned, the urea sensor needs to be unscrewed by a wrench, the float needs to be protected by one hand to take out the urea sensor when the urea sensor is lifted by one hand, and finally the filter screen needs to be detached from the urea sensor.
Therefore, a quick release structure for a filter screen is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a filter screen rapid disassembly structure that easy dismounting, simple structure and maintenance cost are less.
Another object of the utility model is to provide a urea case that easy dismounting, simple structure and maintenance cost are less.
In order to realize the above-mentioned purpose, the utility model discloses a filter screen rapid disassembly structure, it includes liquid mouthful stopper and filter screen structure, filter screen structure locates one side of liquid mouthful stopper, the liquid mouthful stopper have can dismantle the fastening structure of being connected with the urea case.
Preferably, the liquid port plug and the filter screen structure are of an integral structure.
Preferably, the fastening structure is provided on an outer periphery of the liquid port plug.
Preferably, the fastening structure is a thread structure arranged on the liquid port plug.
Preferably, the filter screen structure comprises a liquid absorption main body and a filter screen installed on the liquid absorption main body, and the liquid absorption main body is connected with the liquid opening plug.
Specifically, the filter screen includes outer filter screen and interior filter screen, outer filter screen overcoat in interior filter screen, outer filter screen with form between the interior filter screen and filter the passageway, filter the passageway with imbibition main part intercommunication.
Specifically, the liquid absorption main body comprises a liquid absorption structure and a connection structure, the connection structure is arranged on one side of the liquid absorption structure, the liquid absorption structure is communicated with the inside of the connection structure, the inner filter screen is sleeved outside the connection structure, an accommodating space is arranged between the inner filter screen and the connection structure, and the liquid absorption main body is provided with an inner liquid inlet communicated with the accommodating space; the outer filter screen is sleeved outside the liquid adsorption structure and the connecting structure, and the filter channel is communicated with the liquid adsorption structure.
Specifically, the connecting structure is internally provided with a through hole communicated with the liquid adsorption structure.
Specifically, a sealing plug for sealing and connecting is further arranged between the connecting structure and the liquid adsorption structure.
In order to realize the above-mentioned purpose, the utility model discloses a urea case, it includes box, urea pipe and foretell filter screen quick detach structure, the bottom of box has the drain hole, the liquid mouth stopper passes through fastening structure with the connection can be dismantled to the drain hole, the urea pipe with filter screen structural connection.
Preferably, the urea box is including still installing in the urea sensor in the box, the urea pipe wear to establish be fixed in the box or integrated in the urea sensor.
Preferably, a sealing element is arranged between the liquid port plug and the liquid discharging port.
Preferably, the filter screen structure has the imbibition main part, the imbibition main part includes liquid adsorption structure and connection structure, urea pipe connect in connection structure's through-hole and with liquid adsorption structure intercommunication.
Compared with the prior art, the utility model discloses a filter screen rapid disassembly structure is through combining liquid mouth stopper and filter screen structure together, one side that is close to filter screen structure of liquid mouth stopper has can dismantle the fastening structure of being connected with the urea case, realize through fastening structure that liquid mouth stopper is connected with outside dismantlement, because filter screen structure locates one side of liquid mouth stopper, namely, filter screen structure and liquid mouth stopper are integrated as an organic whole, so can demolish filter screen structure when utilizing liquid mouth stopper to put liquid, thereby carry out follow-up filter screen structure's washing, namely, only need demolish the liquid mouth stopper and just can reach the purpose of demolising the filter screen simultaneously, must demolish the urea sensor simultaneously when having avoided traditional washing filter screen structure, simplified and demolishd the step and reduced maintenance work load. The utility model discloses a filter screen rapid disassembly structure has advantages such as easy dismounting, simple structure and maintenance cost are less.
Drawings
Fig. 1 is the internal structure schematic diagram of the urea box of the present invention.
Fig. 2 is the structure diagram of the quick release structure of the filter screen of the present invention.
Fig. 3 is a schematic view of an internal structure of the quick release structure of the filter screen of fig. 2.
Fig. 4 is a schematic structural view of the quick release structure of the filter screen of fig. 2 along the direction indicated by the arrow a.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
Referring to fig. 1 to 4, the present invention discloses a urea tank 100, which comprises a tank 20, a urea sensor 30, a urea pump 40, a urea pipe 401 and a filter screen quick-release structure 10, wherein the tank 20 has a cavity for containing liquid, the urea sensor 30 is internally provided with the cavity of the tank 20, the urea pump 40 is installed at one side of the tank 20, the filter screen quick-release structure 10 comprises a liquid port plug 1 and a filter screen structure 2, the filter screen structure 2 is arranged at one side of the liquid port plug 1, the bottom of the tank 20 is provided with a liquid outlet 201, one side of the liquid port plug 1 close to the filter screen structure 2 is provided with a fastening structure 11 detachably connected with the urea tank 100, the fastening structure 11 is arranged at the periphery of the liquid port plug 1, the liquid port plug 1 is detachably connected with the liquid outlet 201 through the fastening structure 11, the liquid outlet of the cavity and the filter screen structure 2 can be detached and cleaned by detaching the liquid port plug 1, the cavity can be sealed and the filter screen structure 2 can be installed at the, preferably, a sealing member 50 is provided between the port plug 1 and the drain port 201, thereby improving sealing performance. One end of the urea pipe 401 is connected with the filter screen structure 2, the other end of the urea pipe 401 is connected with the head of the urea sensor 30, namely the urea pipe 401 is integrated with the urea sensor 30, and the urea pipe 401 is connected with the urea pump 40 through a pipeline; under the action of the urea pump 40, the urea solution in the tank body is filtered by the filter screen structure 2 and then is sucked out through the urea pipe 401, so that the filtering effect is achieved; alternatively, as shown in fig. 1, one end of the urea pipe 401 is connected to the strainer structure 2, and the other end of the urea pipe 401 passes through the sidewall of the tank 20 and is directly connected to the urea pump 40, that is, the urea pipe 401 is inserted through the sidewall of the tank 20. That is, filter screen structure 2 and liquid mouth stopper 1 are integrated as an organic whole, liquid mouth stopper 1 and filter screen structure 2 structure as an organic whole, so can demolish filter screen structure 2 when utilizing liquid mouth stopper 1 tapping, thereby carry out follow-up washing of filter screen structure 2, namely, only need demolish liquid mouth stopper 1 and just can reach the purpose of demolising the filter screen simultaneously, must demolish urea sensor 30 simultaneously when having avoided rinsing filter screen structure 2 in the tradition, the step of demolising has been simplified and maintenance work load has been reduced, and simultaneously, when filling in 1 seal installation in tap 201 with liquid mouth, can realize filter screen structure 2 and urea pipe 401's cooperation, it is more excellent, liquid mouth stopper 1 and filter screen structure 2 can form a body structure through moulding plastics. The utility model discloses a filter screen rapid disassembly structure 10 has advantages such as easy dismounting, simple structure and maintenance cost are less. More specifically, the following:
referring to fig. 1 to 4, one side of the liquid port plug 1 away from the filter structure 2 extends outward to form a cap structure, preferably, the fastening structure 11 is a threaded structure disposed on the liquid port plug 1, a matching threaded structure is disposed at a liquid discharge port 201 of the box body 20 corresponding to the fastening structure 11, and the liquid port plug 1 is in threaded connection with the box body 20, so as to achieve detachable connection between the liquid port plug 1 and the box body 20. The head of the port plug 1 has a hexagonal bolt structure for screwing, thereby facilitating screwing operation. Optionally, the fastening structure 11 includes a flange and a screw on the periphery of the liquid port plug 1, the flange forms a mounting plate structure, the mounting plate structure is provided with a screw hole or a through hole, and the liquid port plug 1 and the box body 20 are fixed by a screw locking method.
Referring to fig. 1 to 4, the strainer structure 2 includes a liquid absorbing main body 21 and a strainer mounted on the liquid absorbing main body 21, the strainer includes an outer strainer 22 and an inner strainer 23, the liquid absorbing main body 21 is connected to the liquid port plug 1, the inner strainer 23 and the outer strainer 22 are mounted on the liquid absorbing main body 21, the inner strainer 23 is inserted into the outer strainer 22 so that the outer strainer 22 is sleeved on the inner strainer 23, so that a filtering channel for receiving a filtered solution is formed between the outer strainer 22 and the inner strainer 23, and the filtering channel is communicated with the liquid absorbing main body 21. Specifically, the liquid suction main body 21 includes a liquid adsorption structure 211 and a connection structure 212, the connection structure 212 is disposed at one side of the liquid adsorption structure 211, the liquid adsorption structure 211 is located between the connection structure 212 and the liquid port plug 1, so as to guide the liquid in the filtering channel into the connection structure 212, preferably, the liquid adsorption structure 211 is a guiding cylinder structure, the connection structure 212 is used for connecting with the urea tube 401, a through hole 2121 communicating with the liquid adsorption structure 211 is formed in the connection structure 212, the urea tube 401 is connected in the through hole 2121 and communicates with the liquid adsorption structure 211, the liquid adsorption structure 211 communicates with the inside of the connection structure 212, the inner strainer 23 is sleeved on the connection structure 212, an accommodating space is formed between the inner strainer 23 and the connection structure 212, so that the liquid to be filtered enters the accommodating space and is filtered by the inner strainer 23 and enters the filtering channel, the liquid suction main body 21 has an inner liquid inlet 213 located between the inner strainer 23 and the connection structure 212, the inner liquid inlets 213 are arranged in a plurality of numbers, the inner liquid inlets 213 are symmetrically arranged along the circumferential direction of the liquid absorbing main body 21 (see fig. 4 for state), the inner liquid inlets 213 are communicated with the accommodating space between the inner filter screen 23 and the connecting structure 212, so that the solution to be filtered enters the accommodating space through the inner liquid inlets 213, and the outer filter screen 22 is sleeved on the liquid adsorption structure 211 and the connecting structure 212, so that the filtering channel is communicated with the liquid adsorption structure 211. The liquid to be filtered in the box body 20 directly enters the liquid adsorption structure 211 and the filtering channel through the filtering of the outer filter screen 22; meanwhile, the liquid to be filtered in the box 20 enters the accommodating space through the inner liquid inlet 213, and enters the filtering channel after being filtered by the inner filter screen 23, and the filtered liquid in the filtering channel is finally converged in the liquid adsorption structure 211. When the urea pump is in operation, the filtered liquid in the liquid adsorption structure 211 is sucked out through the urea pipe 401 in the connection structure 212. A sealing plug 214 for sealing and connecting is further arranged between the connecting structure 212 and the liquid adsorption structure 211, the sealing plug 214 is convenient to fix and form sealing with the urea pipe 401, an adsorption nozzle structure with the radius smaller than that of the through hole 2121 is arranged in the sealing plug 214, and the adsorption nozzle structure is in a circular truncated cone-shaped structure. Preferably, the sealing plug 214 is a rubber plug, but not limited thereto, and one side of the connecting structure 212 has an opening-shaped guiding structure 215.
Referring to fig. 1 to 4, a detailed description will be made of the using process of the urea box 100 of the present invention:
when the device works, the urea pump 40 works, and liquid to be filtered in the box body 20 directly enters the liquid adsorption structure 211 and the filtering channel through the filtering of the outer filter screen 22; meanwhile, the liquid to be filtered in the tank 20 enters the accommodating space through the inner liquid inlet 213, and enters the filtering channel after being filtered by the inner filter screen 23, the filtered liquid in the filtering channel is finally converged on the liquid adsorption structure 211, and the filtered liquid in the liquid adsorption structure 211 is sucked out through the urea pipe 401 in the connection structure 212 and finally enters the urea pump 40 for collection. When the filter screen structure 2 needs to be cleaned, the fastening structure 11 is screwed to remove the liquid port plug 1, the liquid port plug 1 is removed, so that the filter screen structure 2 is simultaneously removed, and the filter screen quick-release structure 10 is entirely placed under clean water to be washed.
Through combining liquid mouthful stopper 1 and filter structure 2 together, filter structure 2 locates one side of liquid mouthful stopper 1, one side that is close to filter structure 2 of liquid mouthful stopper 1 has the fastening structure 11 that can dismantle the connection with urea case 100, realize through fastening structure 11 that liquid mouthful stopper 1 is connected with the dismantlement of outside, because filter structure 2 locates one side of liquid mouthful stopper 1, namely, filter structure 2 and liquid mouthful stopper 1 are integrated as an organic whole, so can demolish filter structure 2 when utilizing liquid mouthful stopper 1 tapping, thereby carry out follow-up filter structure 2's washing, namely, only need demolish liquid mouthful stopper 1 and just can reach the purpose of demolising the filter screen simultaneously, must demolish urea sensor 30 simultaneously when having avoided washing filter structure 2 in the tradition, the step of demolising has been simplified and has been safeguarded the work load with the reduction. The utility model discloses a filter screen rapid disassembly structure 10 has advantages such as easy dismounting, simple structure and maintenance cost are less.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (12)
1. A quick-release structure of a filter screen is characterized by comprising a liquid port plug and a filter screen structure, wherein the filter screen structure is arranged on one side of the liquid port plug, and the liquid port plug is provided with a fastening structure which can be detachably connected with a urea box;
the liquid port plug and the filter screen structure are of an integrated structure.
2. The quick release structure for a filter screen according to claim 1, wherein the fastening structure is provided on the outer circumference of the liquid port plug.
3. The quick release structure for filter screens of claim 1 wherein the fastening structure is a threaded structure provided on the port plug.
4. The screen quick release structure of claim 1 wherein the screen structure comprises a wicking body and a screen mounted on the wicking body, the wicking body being connected to the port plug.
5. The screen quick release structure of claim 4, wherein the screen comprises an outer screen and an inner screen, the outer screen is sleeved on the inner screen, and a filtering channel is formed between the outer screen and the inner screen, the filtering channel is communicated with the liquid suction body.
6. The rapid filter screen dismantling structure of claim 5, wherein the liquid absorbing body includes a liquid absorbing structure and a connecting structure, the connecting structure is disposed on one side of the liquid absorbing structure, the liquid absorbing structure is communicated with the inside of the connecting structure, the inner filter screen is sleeved on the connecting structure, an accommodating space is formed between the inner filter screen and the connecting structure, and the liquid absorbing body has an inner liquid inlet communicated with the accommodating space; the outer filter screen is sleeved outside the liquid adsorption structure and the connecting structure, and the filter channel is communicated with the liquid adsorption structure.
7. The rapid filter screen dismantling structure of claim 6 wherein the connecting structure has a through hole therein communicating with the liquid adsorption structure.
8. The rapid disassembly structure of filter screen of claim 6, wherein a sealing plug for sealing and connecting is further provided between the connection structure and the liquid absorption structure.
9. A urea case, includes box and urea pipe, its characterized in that still includes the filter screen rapid disassembly structure of any one of claim 1 to claim 8, the bottom of box has the drain hole, the liquid mouth stopper pass through fastening structure with the drain hole can dismantle the connection, the urea pipe with the filter screen structural connection.
10. The urea tank of claim 9, further comprising a urea sensor mounted in the tank body, wherein the urea pipe is fixed to the tank body by penetration or integrated with the urea sensor.
11. The urea tank of claim 9, wherein a seal is disposed between the port plug and the drain.
12. The urea tank of claim 9, wherein the screen structure has a wicking body including a liquid adsorbing structure and a connecting structure, the urea pipe being connected in a through hole of the connecting structure and communicating with the liquid adsorbing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021589616.4U CN213313743U (en) | 2020-08-03 | 2020-08-03 | Filter screen quick detach structure and urea case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021589616.4U CN213313743U (en) | 2020-08-03 | 2020-08-03 | Filter screen quick detach structure and urea case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213313743U true CN213313743U (en) | 2021-06-01 |
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ID=76093459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021589616.4U Active CN213313743U (en) | 2020-08-03 | 2020-08-03 | Filter screen quick detach structure and urea case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213313743U (en) |
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2020
- 2020-08-03 CN CN202021589616.4U patent/CN213313743U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 101, No. 1, East Ring 3rd Street, Jitiagang, Huangjiang Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Zhengyang Sensor Technology Co.,Ltd. Address before: 523000 Jitigang Village, Huangjiang Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN ZHENGYANG ELECTRONIC MECHANICAL Co.,Ltd. |
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| CP03 | Change of name, title or address |