CN111608958A - Two-way cooling water pump - Google Patents
Two-way cooling water pump Download PDFInfo
- Publication number
- CN111608958A CN111608958A CN202010490177.XA CN202010490177A CN111608958A CN 111608958 A CN111608958 A CN 111608958A CN 202010490177 A CN202010490177 A CN 202010490177A CN 111608958 A CN111608958 A CN 111608958A
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- water pump
- main body
- bevel gear
- heat dissipation
- water tank
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5893—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a bidirectional cooling water pump which comprises a main body, wherein a water tank is fixedly connected to the upper surface of the main body, heat dissipation plate units are sequentially arranged on the upper surface of the water tank from front to back, and a water pump body is arranged in the main body. This two-way cooling water pump, comprising a main body, the water tank, the heating panel unit, the water pump body, the apparatus further comprises a rotating shaft, the impeller, the suction pump, cooperation between outlet pipe and the inlet tube, supply power with the suction pump, the suction pump can be with the leading-in inside to the outlet pipe of coolant liquid in the water tank, the inside of discharging into the main part carries out the heat absorption operation to the water pump body, at last the inside of getting back to the water tank along the inlet tube flow, realize the reciprocating cycle of coolant liquid, the heating panel can pass the heat of coolant liquid, the heat dissipation performance that leads to the inside rubber section of thick bamboo and the metal section of thick bamboo of inslot can strengthen the heating panel another direction during, make the radiating effect that leads of.
Description
Technical Field
The invention relates to the technical field of water pump equipment, in particular to a bidirectional cooling water pump.
Background
The bidirectional cooling water pump is suitable for conveying clear water or liquid with physical and chemical properties in a high-pressure operation system, such as high-rise building water supply, boiler water supply, heating and ventilation refrigeration cycle, bathroom and other cold and hot water circulation pressurization and equipment matching, and fire fighting system and other conveying or pipeline pressurization, hard alloy seals of different materials ensure that different media are not leaked during conveying, and because an engine generates heat during high-speed operation, the cooling and heat dissipation effects of a common bidirectional cooling water pump after long-time operation are poor, and the problems are not solved. And then the heat conduction and dissipation effect of the heat dissipation fins is general, and the heat dissipation effect on the water pump body needs to be enhanced.
The fan for blowing and radiating the heat of the heat radiating plate is not reasonable enough in arrangement position, and cannot directly blow to the heat radiating plate, so that the heat radiating effect of the heat radiating plate is generally to be enhanced.
Meanwhile, the cooling liquid in the water tank cannot be replaced, and the water tank is not favorable for long-term stable use.
Disclosure of Invention
The invention aims to provide a bidirectional cooling water pump, which is used for solving the problems that the bidirectional cooling water pump in the prior art proposed in the background art can be applied, the heat dissipation effect on a water pump body can be improved, but certain defects still exist in the actual use process, for example, a heat dissipation plate adopted at the top end of the bidirectional cooling water pump is made of graphite heat dissipation materials, heat is uniformly conducted along two directions in the heat conduction and dissipation process, the heat conduction and dissipation performance in the other direction is deficient, the heat conduction and dissipation effect of a heat dissipation plate is general, and the heat dissipation effect on the water pump body needs to be enhanced.
In order to achieve the purpose, the invention provides the following technical scheme: a bidirectional cooling water pump comprises a main body, wherein a water tank is fixedly connected to the upper surface of the main body, a heat dissipation plate unit is sequentially arranged on the upper surface of the water tank from front to back, a water pump body is installed inside the main body, rotating shafts are fixedly connected to the left side and the right side of the water pump body and are rotatably connected with the main body through sealing bearings, impellers are fixedly connected to the outer wall of each rotating shaft in a sleeved mode, a water suction pump is installed on the left side inside the water tank, a water outlet pipe is fixedly connected to the bottom end of the water suction pump, a part of the water outlet pipe penetrates through the main body, the water outlet pipe is communicated with the main body, a water inlet pipe is fixedly connected to the right side;
the heat dissipation plate unit comprises a heat dissipation plate, a through groove, a rubber cylinder, a convex rib, a metal cylinder and a vertical groove;
it is a plurality of the heating panel rigid coupling is at the upper surface of water tank in proper order from the front to the back, a plurality of logical grooves have been seted up in proper order to the right surface from the top down of heating panel, the inside that leads to the groove is equipped with the packing element, the inner wall of packing element is the annular bead of having seted up, the inboard of bead is supported tightly has the metal cylinder, the inner wall of metal cylinder is the annular and has seted up perpendicular groove.
Preferably, the front surface of the rubber cylinder is annularly provided with a through hole.
Preferably, a fan unit is provided on the right surface of the main body;
the fan unit comprises a housing, a vertical rod, a first bevel gear, a second bevel gear, a third bevel gear, a cross rod, a supporting plate and a fan;
the right surface of housing rigid coupling in the main part, the upper surface right side of housing has inserted the montant, the montant rotates with the housing through sealed bearing and links to each other, the equal rigid coupling in both ends about the montant has first bevel gear, bottom the left side meshing of first bevel gear is connected with second bevel gear, the left surface center of second bevel gear links to each other with the right side tip of right side pivot is fixed, the top the left side meshing of first bevel gear is connected with third bevel gear, the left surface center rigid coupling of third bevel gear has the horizontal pole, the outer wall of horizontal pole rotates and is connected with the layer board, the bottom of layer board links to each other with the last fixed surface of housing, the left side tip rigid coupling of horizontal pole has the fan.
Preferably, the outer wall of the vertical rod is rotatably connected with a support plate, and the support plate is fixedly connected with the housing.
Preferably, the third bevel gear, the cross bar and the central point of the fan are all located on the same horizontal line.
Preferably, an auxiliary mechanism is arranged on the left side of the outer surface of the water tank;
the auxiliary mechanism comprises a short pipe, a rotary cover and a drain valve;
the short pipe is fixedly connected to the left side of the upper surface of the water tank, the top end of the outer wall of the short pipe is in threaded connection with a screw cap, and the top end of the liquid discharge valve is fixedly connected to the left side of the lower surface of the main body.
Preferably, an observation window is fixedly embedded in the upper portion of the left surface of the water tank.
Preferably, the left side of the inside of the main body is provided with a groove.
A use method of a water pump specifically comprises the following steps:
s1, when the water pump body in the main body needs to be subjected to heat dissipation operation in the using process, the water pump is powered, the cooling liquid in the water tank can be guided into the water outlet pipe by the water pump, the cooling liquid is discharged into the main body to perform heat absorption operation on the water pump body, and finally the cooling liquid flows back to the water tank along the water inlet pipe.
S2, heat generated by high-speed operation of the engine is absorbed, the heat of the cooling liquid can be transferred by the heat dissipation plate, and the heat conduction performance of the heat dissipation plate in the other direction can be enhanced by the rubber cylinder and the metal cylinder in the through groove in the period, so that the heat conduction and dissipation effect of the heat dissipation plate is improved, and the heat dissipation effect of the water pump body is enhanced.
S3, when the rotating shaft of the water pump body rotates, the second bevel gear can rotate, the third bevel gear can rotate through the transmission of the first bevel gear, then the fan can rotate, air flow in the transmission process of the fan can be directly blown to the heat dissipation plate, and the heat dissipation effect of the heat dissipation plate is improved.
Compared with the prior art, the invention has the beneficial effects that: this two-way cooling water pump for the conventional art, has following advantage:
through the main part, the water tank, the heating panel unit, the water pump body, the apparatus further comprises a rotating shaft, the impeller, the suction pump, cooperation between outlet pipe and the inlet tube, when needing to dispel the heat operation to the inside water pump body of main part, supply power with the suction pump, the suction pump can be with the leading-in inside to the outlet pipe of coolant liquid in the water tank, the inside of discharging into the main part carries out the heat absorption operation to the water pump body, get back to the inside of water tank along the inlet pipe flow at last, realize the reciprocating cycle of coolant liquid.
Through having absorbed the high-speed operation of engine and producing the heat, the heating panel can pass the heat of coolant liquid, and the heat dispersion that leads of another direction of heating panel can be strengthened to the rubber cylinder and the metal cylinder of inslot portion during for the heat dispersion that leads of heating panel can promote, can strengthen the radiating effect to the water pump body.
Through the main part, the water tank, the heating panel unit, the water pump body, the pivot, the impeller, the suction pump, the outlet pipe, cooperation between inlet tube and the fan unit, water pump body operation pivot rotates the in-process, can make second bevel gear rotate, transmission through first bevel gear can make third bevel gear rotate, then can make the fan rotate, can make the air current among the fan transmission process can directly blow to the heating panel, make the radiating effect to the heating panel promote.
Through the cooperation between main part, water tank and the complementary unit, when needing to change the inside coolant liquid of water tank in the permanent use, operating personnel can place the container in the bottom of flowing back valve, opens the flowing back valve and makes inside coolant liquid discharge, then is injecting into fresh coolant liquid through the nozzle stub newly with the flowing back valve closure, carries out the screw thread with the spiral cover and nozzle stub at last and links to each other, does benefit to permanent stable use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing a coupling structure of the main body, the water tank and the fan unit of FIG. 1;
FIG. 3 is a partial right view of the heat sink of FIG. 1;
FIG. 4 is a schematic view showing a connection structure of the main body, the water tank and the short tube of FIG. 1;
FIG. 5 is a schematic view of a connection structure of the stem, the support plate and the fan of FIG. 2;
fig. 6 is a schematic view showing a connection structure of the heat radiating plate, the rubber tube and the metal tube of fig. 3.
In the figure: 1. the water pump comprises a main body, 2, a water tank, 3, a heat dissipation plate unit, 301, a heat dissipation plate, 302, a through groove, 303, a rubber tube, 304, a convex rib, 305, a metal tube, 306, a vertical groove, 4, a fan unit, 401, a housing, 402, a vertical rod, 403, a first bevel gear, 404, a second bevel gear, 405, a third bevel gear, 406, a cross rod, 407, a supporting plate, 408, a fan, 5, an auxiliary mechanism, 501, a short tube, 502, a rotary cover, 503, a liquid discharge valve, 6, a through hole, 7, a supporting plate, 8, an observation window, 9, a groove, 10, a water pump body, 11, a rotating shaft, 12, an impeller, 13, a water suction pump, 14, a water outlet pipe, 15 and a.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
example 1
A two-way cooling water pump comprises a main body 1, a water tank 2 is fixedly connected to the upper surface of the main body 1, a heat dissipation plate unit 3 is sequentially arranged on the upper surface of the water tank 2 from front to back, a water pump body 10 is installed inside the main body 1, rotating shafts 11 are fixedly connected to the left side and the right side of the water pump body 10, the rotating shafts 11 are rotatably connected with the main body 1 through sealed bearings, impellers 12 are fixedly connected to the outer walls of the rotating shafts 11, a water suction pump 13 is installed on the left side inside the water tank 2, the water suction pump 13 is a machine for conveying liquid or pressurizing liquid, the machine transmits mechanical energy of a prime motor or other external energy to the liquid to increase the energy of the liquid and is mainly used for conveying the liquid, a water outlet pipe 14 is fixedly connected to a water outlet at the bottom end of the water suction pump 13, a part of the water outlet pipe 14 penetrates through the main body 1, the water outlet pipe, the heat dissipation plate unit 3 comprises a heat dissipation plate 301, through grooves 302, a rubber cylinder 303, ribs 304, a metal cylinder 305 and vertical grooves 306, the heat dissipation plates 301 are fixedly connected to the upper surface of the water tank 2 from front to back in sequence, the heat dissipation plate 301 is made of graphite heat dissipation plates, also called heat conduction graphite sheets, and is a brand new heat conduction and dissipation material, has unique crystal grain orientation and uniformly conducts heat along two directions, the right surface of the heat dissipation plate 301 is provided with the through grooves 302 from top to bottom in sequence, the rubber cylinder 303 is arranged in the through grooves 302, the rubber cylinder 303 is made of boron nitride heat conduction rubber, the inner wall of the rubber cylinder 303 is provided with the ribs 304 in an annular shape, the inner sides of the ribs 304 are tightly abutted against the metal cylinder 305, the metal cylinder 305 is made of copper, the inner wall of the metal cylinder 305 is provided with the vertical grooves 306 in an annular shape, the vertical grooves 306 and the ribs 304 can respectively increase the contact area between, the front surface of rubber tube 303 is the annular through-hole 6 of having seted up, and through-hole 6 can further promote rubber tube 303 and external area of contact do benefit to the heat dissipation.
Example 2
As an optional case, referring to fig. 1, 2 and 5, a bidirectional cooling water pump is provided, wherein a fan unit 4 is disposed on a right surface of a main body 1, the fan unit 4 includes a housing 401, a vertical rod 402, a first bevel gear 403, a second bevel gear 404, a third bevel gear 405, a cross rod 406, a support plate 407 and a fan 408, the housing 401 is fixedly connected to the right surface of the main body 1, the vertical rod 402 is inserted into a right side of an upper surface of the housing 401, the vertical rod 402 is rotatably connected to the housing 401 through a sealed bearing, the first bevel gear 403 is fixedly connected to upper and lower ends of the vertical rod 402, the second bevel gear 404 is engaged and connected to a left side of the first bevel gear 403 at a bottom end, a center of a left surface of the second bevel gear 404 is fixedly connected to a right end of a right rotating shaft 11, the third bevel gear 405 is engaged and connected to a left side of the first bevel gear 403 at a top end, the, the outer wall of the cross rod 406 is rotatably connected with a supporting plate 407, the cross rod 406 is rotatably connected with the supporting plate 407 through a ball bearing, the bottom end of the supporting plate 407 is fixedly connected with the upper surface of the housing 401, the left end of the cross rod 409 is fixedly connected with a fan 408, the outer wall of the vertical rod 402 is rotatably connected with a supporting plate 7, the vertical rod 402 is rotatably connected with the supporting plate 7 through a ball bearing, the supporting plate 7 is fixedly connected with the housing 401, the stability of the vertical rod 402 can be improved, the central points of a third bevel gear 405, the cross rod 406 and the fan 408 are all located on the same horizontal line, and the cross rod 406 and the fan 408 can concentrically rotate when the third.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
Example 3
As an optional situation, referring to fig. 1 and 4, a two-way cooling water pump, an auxiliary mechanism 5 is arranged on the left side of the outer surface of a water tank 2, the auxiliary mechanism 5 includes a short pipe 501, a screw cap 502 and a drain valve 503, the short pipe 501 is fixedly connected to the left side of the upper surface of the water tank 2, the short pipe 501 and the water tank 2 are mutually communicated, the screw cap 502 is in threaded connection with the top end of the outer wall of the short pipe 501, the top end of the drain valve 503 is fixedly connected to the left side of the lower surface of a main body 1, the drain valve 503 and the main body 1 are mutually communicated, an observation window 8 is fixedly connected to the upper portion of the left surface of the water tank 2 in an embedded manner, the observation window 8 is a transparent plate body made of PVC material, external personnel can observe the texture of internal cooling liquid conveniently, a.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
Example 4
A practical method of a water pump, when a two-way cooling water pump, in the using process, when the heat dissipation operation needs to be carried out on a water pump body 10 in a main body 1, a water pump 5 is powered, the water pump 5 can guide cooling liquid in a water tank 2 into a water outlet pipe 14, the cooling liquid is discharged into the main body 1 to carry out heat absorption operation on the water pump body 10, and finally flows back into the water tank 2 along a water inlet pipe 15, so that the reciprocating circulation of the cooling liquid is realized, the heat generated by the high-speed operation of an engine is absorbed, the heat of the cooling liquid can be transferred by a cooling plate 301, the heat conduction and dissipation performance of the cooling plate 301 in the other direction can be enhanced by a rubber cylinder 303 and a metal cylinder 305 in a through groove 302 in the period, the heat conduction and dissipation effect of the cooling plate can be improved, the heat dissipation effect of the water pump body 10 can be enhanced, and a second bevel, the third bevel gear 405 can be rotated by the transmission of the first bevel gear 403, and then the fan 408 can be rotated, so that the airflow in the transmission process of the fan 408 can be directly blown to the heat dissipation plate 301, the heat dissipation effect of the heat dissipation plate 301 is improved, and the heat dissipation plate is beneficial to popularization and use.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a two-way cooling water pump, includes main part (1), its characterized in that: the upper surface of the main body (1) is fixedly connected with a water tank (2), the upper surface of the water tank (2) is sequentially provided with a heat dissipation plate unit (3) from front to back, a water pump body (10) is arranged in the main body (1), the left side and the right side of the water pump body (10) are fixedly connected with a rotating shaft (11), the rotating shaft (11) is rotationally connected with the main body (1) through a sealed bearing, the outer wall of the rotating shaft (11) is fixedly sleeved with an impeller (12), a water suction pump (13) is installed on the left side inside the water tank (2), a water outlet pipe (14) is fixedly connected to the bottom end of the water suction pump (13), a part of the water outlet pipe (14) penetrates through the main body (1), the water outlet pipe (14) is communicated with the main body (1), a water inlet pipe (15) is fixedly connected to the right side of the upper surface of the main body (1), and the water inlet pipe (15) is communicated with the main body (1);
the heat dissipation plate unit (3) comprises a heat dissipation plate (301), a through groove (302), a rubber cylinder (303), a rib (304), a metal cylinder (305) and a vertical groove (306);
a plurality of heating panel (301) rigid coupling is at the upper surface of water tank (2) from the front to the back in proper order, a plurality of logical grooves (302) have been seted up in proper order to the right surface from the top down of heating panel (301), the inside that leads to groove (302) is equipped with rubber tube (303), the inner wall of rubber tube (303) is the annular and has seted up bead (304), the inboard of bead (304) is supported and is tightly had metal cylinder (305), the inner wall of metal cylinder (305) is the annular and has seted up vertical groove (306).
2. The two-way cooling water pump of claim 1, characterized in that: the front surface of the rubber cylinder (303) is annularly provided with a through hole (6).
3. The two-way cooling water pump of claim 1, characterized in that: a fan unit (4) is arranged on the right surface of the main body (1);
the fan unit (4) comprises a housing (401), a vertical rod (402), a first bevel gear (403), a second bevel gear (404), a third bevel gear (405), a cross rod (406), a supporting plate (407) and a fan (408);
the right surface of housing (401) rigid coupling in main part (1), the upper surface right side of housing (401) has inserted montant (402), montant (402) rotate with housing (401) through sealed bearing and link to each other, the equal rigid coupling in upper and lower both ends of montant (402) has first bevel gear (403), the bottom the left side meshing of first bevel gear (403) is connected with second bevel gear (404), the left surface center of second bevel gear (404) and the right side tip of right side pivot (11) are fixed to be connected with, the top the left side meshing of first bevel gear (403) is connected with third bevel gear (405), the left surface center rigid coupling of third bevel gear (405) has horizontal pole (406), the outer wall of horizontal pole (406) rotates and is connected with layer board (407), the bottom of layer board (407) links to each other with the upper surface of housing (401) is fixed, and a fan (408) is fixedly connected to the left end of the cross rod (409).
4. The two-way cooling water pump of claim 3, characterized in that: the outer wall of the vertical rod (402) is rotatably connected with a support plate (7), and the support plate (7) is fixedly connected with the housing (401).
5. The two-way cooling water pump of claim 3, characterized in that: the central points of the third bevel gear (405), the cross bar (406) and the fan (408) are all located on the same horizontal line.
6. The two-way cooling water pump of claim 1, characterized in that: an auxiliary mechanism (5) is arranged on the left side of the outer surface of the water tank (2);
the auxiliary mechanism (5) comprises a short pipe (501), a screw cap (502) and a liquid discharge valve (503);
the short pipe (501) is fixedly connected to the left side of the upper surface of the water tank (2), the top end of the outer wall of the short pipe (501) is in threaded connection with a screw cap (502), and the top end of the liquid discharge valve (503) is fixedly connected to the left side of the lower surface of the main body (1).
7. The two-way cooling water pump of claim 1, characterized in that: an observation window (8) is fixedly connected to the upper portion of the left surface of the water tank (2).
8. The two-way cooling water pump of claim 1, characterized in that: a groove (9) is formed in the left side of the interior of the main body (1).
9. Use of a pump according to claims 1-8, characterized in that: the method specifically comprises the following steps:
s1, when heat dissipation operation needs to be carried out on the water pump body (10) in the main body (1) in the using process, the water suction pump (5) is powered, the water suction pump (5) can guide cooling liquid in the water tank (2) into the water outlet pipe (14), the cooling liquid is discharged into the main body (1) to carry out heat absorption operation on the water pump body (10), and finally the cooling liquid flows back into the water tank (2) along the water inlet pipe (15).
S2, heat generated by high-speed operation of the engine is absorbed, the heat dissipation plate (301) can transfer heat of the cooling liquid, and the rubber cylinder (303) and the metal cylinder (305) in the through groove (302) can enhance heat conduction and dissipation performance of the heat dissipation plate (301) in the other direction, so that the heat conduction and dissipation effect of the heat dissipation plate is improved, and the heat dissipation effect of the water pump body (10) is enhanced.
S3, when the rotating shaft (11) runs on the water pump body (10) to rotate, the second bevel gear (404) can rotate, the third bevel gear (405) can rotate through transmission of the first bevel gear (403), then the fan (408) can rotate, air flow in the transmission process of the fan (408) can be directly blown to the heat dissipation plate (301), and therefore the heat dissipation effect of the heat dissipation plate (301) is improved.
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|---|---|---|---|
| CN202010490177.XA CN111608958A (en) | 2020-06-02 | 2020-06-02 | Two-way cooling water pump |
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| CN202010490177.XA CN111608958A (en) | 2020-06-02 | 2020-06-02 | Two-way cooling water pump |
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| CN111608958A true CN111608958A (en) | 2020-09-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112197091A (en) * | 2020-09-27 | 2021-01-08 | 安徽华城兴建材科技有限公司 | High-strength fireproof ventilating duct and mounting device thereof |
| CN113291125A (en) * | 2021-05-12 | 2021-08-24 | 张智高 | Transmission oil pump for hybrid electric vehicle |
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| CN207852437U (en) * | 2018-02-21 | 2018-09-11 | 桃江凤冠电机有限公司 | A kind of transformer with heat sinking function |
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