CN212454799U - Anti-blocking pump for preparing special water for automobile urea solution - Google Patents
Anti-blocking pump for preparing special water for automobile urea solution Download PDFInfo
- Publication number
- CN212454799U CN212454799U CN202021162191.9U CN202021162191U CN212454799U CN 212454799 U CN212454799 U CN 212454799U CN 202021162191 U CN202021162191 U CN 202021162191U CN 212454799 U CN212454799 U CN 212454799U
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- CN
- China
- Prior art keywords
- shell
- fixing support
- support
- column
- filter screen
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000004202 carbamide Substances 0.000 title claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000007790 scraping Methods 0.000 claims description 16
- 239000012535 impurity Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model relates to a water treatment technical field discloses a special water preparation of automobile-used urea liquid prevents blockking up pump, which comprises a pump body, be provided with the water inlet on the pump body, be provided with anti-clogging device on the water inlet of the pump body, anti-clogging device includes tube-shape casing and filtering mechanism, and filtering mechanism is including setting up first fixed bolster and the second fixed bolster in the casing, and first fixed bolster and second fixed bolster pass through the spring and compress tightly, are provided with rotatory doctor-bar outside the first fixed bolster. The utility model has the advantages that: it is rational in infrastructure, need not additionally increase power, utilize the suction of pump self and the pressure of water to carry out the forward to the filter screen and scrape and the reverse is clearly scraped, with low costs and effectively prevented the filter screen and blockked up.
Description
Technical Field
The utility model relates to a water treatment technical field, concretely relates to automobile-used special water preparation of urea liquid is with preventing blockking up pump.
Background
The vehicle urea solution is prepared by high-purity urea without any other additives and special water. The SCR catalyst carrier of the vehicle urea is easy to generate metal ion poisoning so as to lose the catalytic effect, so the special water used by the vehicle urea solution is deionized pure water (the resistivity is more than or equal to 15M omega cm). The preparation process of deionized pure water of the prior vehicle urea comprises the following steps: urban tap water or underground water, a raw water tank, a raw water booster pump, a quartz sand filter, an activated carbon filter, a scale inhibition device, a precision filter, a first-stage high-pressure pump, first-stage reverse osmosis, a pH regulation device, a first-stage pure water tank, a second-stage high-pressure pump, second-stage reverse osmosis, a second-stage pure water tank, an EDI lifting pump, a 0.22 micron precision filter, an EDI membrane block and a special pure water tank for automobile urea solution. It can be seen that a plurality of high-pressure booster pumps are needed in the preparation process of deionized pure water, and the cotton behind the high-pressure booster pumps is generally connected with a filtering device, because the filtration pores of the filtering devices are all more delicate and have higher cost, in order to ensure the effect and the service life of the filtering device, the current common method is to add a filter screen on the water pump, but because the suction of the water pump can cause some impurities to be blocked on the filter screen, the filter screen can be blocked after a long time, and the filter screen cannot play an effective role.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem and providing a special water preparation of automobile-used urea liquid prevents blockking up pump with prefilter and prevent blockking up effect.
In order to accomplish the above object, the present invention provides the following technical solutions: an anti-blocking pump for preparing water special for urea solution for vehicles comprises a pump body, wherein a water inlet and a water outlet are formed in the pump body, an anti-blocking device is arranged on the water inlet of the pump body and comprises a cylindrical shell and a filtering mechanism, an annular inner step surface is arranged in an inner hole in the end face of one end of the shell, an internal thread is arranged in an inner hole in the other end of the shell, and the cylindrical shell is in threaded connection with the water inlet of the pump body through the internal thread;
the filter mechanism comprises an anti-blocking mechanism, a filter screen, a first fixing support and a second fixing support, the first fixing support comprises a support frame, a circular column and a support arm, the outer diameter of the support frame is a circular ring matched with the inner diameter of the shell, the circular column and the support frame are coaxially arranged, the circular column and the support frame are fixed through the support arm, and the filter screen is fixedly arranged between the adjacent support arms in the support frame; the second fixing support is the same as the first fixing support in structure;
the anti-blocking mechanism is positioned on the outer side of the first fixed support and comprises a scraping piece, a central column and a spiral column, the scraping piece is radially and fixedly connected to the outer wall of the upper part of the central column, and the lower edge of the scraping piece is in contact with the filter screen; the lower part of the central column is rotatably connected with an inner hole of a circular column of the first fixed support through a bearing, and a spiral hole matched with the spiral column is formed in the central column along the axis; the length from the center of the center post to the edge of the scraping piece is less than or equal to the inner diameter of the inner step surface of the shell;
the first fixing support is arranged in the shell in a sliding mode and is close to one end of the inner step surface, the second fixing support is arranged in the shell and is close to the inner thread side, and the second fixing support is fixedly connected with the inner wall of the shell in an interference fit mode; a spring is arranged between the first fixing support and the second fixing support and pushes the edge of the first fixing support against the inner side of the step surface in the shell; one end of the spiral column is fixedly connected with the circular column of the second fixing support, and the other end of the spiral column penetrates through the spiral hole of the central column of the anti-blocking mechanism and extends outwards.
The working principle of this application does: the filter screen on the first fixed bolster can filter aquatic debris, when the debris that adsorb on the filter screen is too much, rivers produce pressure to first fixed bolster, force first fixed bolster compression spring along shell hole rebound, prevent stifled mechanism on the first fixed bolster along with first fixed bolster along the axis rebound this moment, the spiral hole of the center post of preventing stifled mechanism moves along the spiral post, thereby make the center post produce rotatoryly, the center post drives doctor-bar above that rotatory, scrape the action to debris on the filter screen, thereby make the filter screen no longer block up, the water resistance resumes normally, the spring makes first fixed bolster get back to the normal position, when replying, the spiral hole of the center post of preventing stifled mechanism moves along the spiral post, produce the counter-rotation, thereby the doctor-bar has carried out reverse clear scraping again to the filter screen, realize the cleanness of filter screen.
The utility model has the advantages that: it is rational in infrastructure, need not additionally increase power, utilize the suction of pump self and the pressure of water to carry out the forward to the filter screen and scrape and the reverse is clearly scraped, with low costs and effectively prevented the filter screen and blockked up.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a partially enlarged view of fig. 1.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The anti-clogging pump for preparing the special water for the vehicle urea solution comprises a pump body 1, wherein a water inlet 2 and a water outlet are formed in the pump body, an anti-clogging device is arranged on the water inlet 2 of the pump body, the anti-clogging device comprises a cylindrical shell 3 and a filtering mechanism, an inner hole in the end face of one end of the shell 3 is provided with an annular inner step face 4, an inner thread 5 is formed in the inner hole of the other end of the shell 3, and the cylindrical shell 3 is in threaded connection with the water inlet 2 of the pump body through the inner thread 5;
the filtering mechanism comprises an anti-blocking mechanism, a filter screen 6, a first fixing support and a second fixing support 7, the first fixing support comprises a support frame 8, a circular column 9 and a support arm 10, the outer diameter of the support frame 8 is a circular ring matched with the inner diameter of the shell 1, the circular column 9 and the support frame 8 are coaxially arranged, the circular column 9 and the support frame 8 are fixed through the support arm 10, and the filter screen 6 is fixedly arranged between the adjacent support arms 10 in the support frame 8; the second fixed bracket 7 has the same structure as the first fixed bracket;
the anti-blocking mechanism is positioned on the outer side of the first fixed support and comprises a scraping piece 11, a central column 12 and a spiral column 13, wherein the scraping piece 11 is radially and fixedly connected to the outer wall of the upper part of the central column, and the lower edge of the scraping piece is in contact with the filter screen 6; the lower part of the central column 12 is rotatably connected with an inner hole of the circular column 9 of the first fixed bracket through a bearing 14, and a spiral hole 15 matched with the spiral column is formed in the central column 12 along the axis; the length from the center of the central column 12 to the edge of the scraping blade 11 is less than or equal to the inner diameter of the step surface 4 in the shell;
the first fixing support is arranged in the shell 3 in a sliding mode and close to one end of the inner step surface 4, the second fixing support 7 is arranged in the shell 3 and close to the inner thread 5 side, and the second fixing support 7 is fixedly connected with the inner wall of the shell 3 in an interference fit mode; a spring 16 is arranged between the first fixing support and the second fixing support 7, and the spring 16 pushes the edge of the first fixing support against the inner side of the step surface 4 in the shell; one end of the spiral column 13 is fixedly connected with the circular column of the second fixing bracket 7, and the other end of the spiral column passes through the spiral hole 15 of the central column 12 of the anti-blocking mechanism and extends outwards.
The working principle of this application does: the filter screen 6 on the first fixing bracket can filter impurities in water, when the impurities adsorbed on the filter screen 6 are too much, water flow generates pressure on the first fixing bracket to force the first fixing bracket compression spring 16 to move inwards along the inner hole of the shell, at the moment, the anti-blocking mechanism on the first fixing bracket moves inwards along the axis along with the first fixing bracket, the spiral hole 15 of the center post 12 of the anti-blocking mechanism moves along the spiral post 13, so that the center post 12 rotates, the center post 12 drives the scraping piece 11 on the center post to rotate, the impurities on the filter screen 6 are scraped, so that the filter screen 6 is not blocked any more, the water resistance is recovered to be normal, the spring 16 enables the first fixing bracket to return to the original position, when the center post 12 of the anti-blocking mechanism moves along the spiral post 13 to generate reverse rotation, so that the scraping piece 11 carries out reverse scraping on the filter screen 6 again, the cleaning of the filter screen is realized.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (1)
1. The utility model provides a special water preparation of automobile-used urea liquid prevents blockking up pump, includes the pump body, be provided with water inlet and delivery port on the pump body, its characterized in that: an anti-blocking device is arranged on the water inlet of the pump body and comprises a cylindrical shell and a filtering mechanism, an inner hole in the end face of one end of the shell is provided with an annular inner step face, an inner thread is arranged in the inner hole of the other end of the shell, and the cylindrical shell is in threaded connection with the water inlet of the pump body through the inner thread;
the filter mechanism comprises an anti-blocking mechanism, a filter screen, a first fixing support and a second fixing support, the first fixing support comprises a support frame, a circular column and a support arm, the outer diameter of the support frame is a circular ring matched with the inner diameter of the shell, the circular column and the support frame are coaxially arranged, the circular column and the support frame are fixed through the support arm, and the filter screen is fixedly arranged between the adjacent support arms in the support frame; the second fixing support is the same as the first fixing support in structure;
the anti-blocking mechanism is positioned on the outer side of the first fixed support and comprises a scraping piece, a central column and a spiral column, the scraping piece is radially and fixedly connected to the outer wall of the upper part of the central column, and the lower edge of the scraping piece is in contact with the filter screen; the lower part of the central column is rotatably connected with an inner hole of a circular column of the first fixed support through a bearing, and a spiral hole matched with the spiral column is formed in the central column along the axis; the length from the center of the center post to the edge of the scraping piece is less than or equal to the inner diameter of the inner step surface of the shell;
the first fixing support is arranged in the shell in a sliding mode and is close to one end of the inner step surface, the second fixing support is arranged in the shell and is close to the inner thread side, and the second fixing support is fixedly connected with the inner wall of the shell in an interference fit mode; a spring is arranged between the first fixing support and the second fixing support and pushes the edge of the first fixing support against the inner side of the step surface in the shell; one end of the spiral column is fixedly connected with the circular column of the second fixing support, and the other end of the spiral column penetrates through the spiral hole of the central column of the anti-blocking mechanism and extends outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021162191.9U CN212454799U (en) | 2020-06-19 | 2020-06-19 | Anti-blocking pump for preparing special water for automobile urea solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021162191.9U CN212454799U (en) | 2020-06-19 | 2020-06-19 | Anti-blocking pump for preparing special water for automobile urea solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212454799U true CN212454799U (en) | 2021-02-02 |
Family
ID=74470373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021162191.9U Expired - Fee Related CN212454799U (en) | 2020-06-19 | 2020-06-19 | Anti-blocking pump for preparing special water for automobile urea solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212454799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790718A (en) * | 2022-06-01 | 2022-07-26 | 中交第二航务工程局有限公司 | Water pumping device for blocking, sand-consolidating and reinforcing sea wall by stone-buried concrete and construction process |
-
2020
- 2020-06-19 CN CN202021162191.9U patent/CN212454799U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790718A (en) * | 2022-06-01 | 2022-07-26 | 中交第二航务工程局有限公司 | Water pumping device for blocking, sand-consolidating and reinforcing sea wall by stone-buried concrete and construction process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210202 |