CN216009027U - Water pump with heat dissipation assembly - Google Patents

Abstract

The utility model relates to the technical field of water pump heat dissipation, and discloses a water pump with a heat dissipation assembly, which comprises a bearing box, a pump shaft, a bearing assembly and a cooling coil; a plurality of heat dissipation ribs are arranged on the outer side surface of the bearing box, the heat dissipation ribs are distributed at intervals around the bearing box and enclose a circle, an oil cavity is formed in the bearing box, and a liquid inlet and a liquid outlet are formed in the surface of the bearing box; the pump shaft penetrates through the bearing box; the bearing assembly is positioned in the oil cavity, and the pump shaft is connected with the bearing box through the bearing assembly; be equipped with the coolant liquid in the cooling coil, cooling coil winds the pump shaft spirals, just cooling coil's both ends respectively with the inlet with the liquid outlet is linked together, dispels the heat through heat dissipation muscle cooperation cooling coil, increases substantially the radiating effect.

Description

Water pump with heat dissipation assembly

Technical Field

The utility model relates to a water pump heat dissipation technical field especially relates to a take radiator unit's water pump.

Background

At present, in the application technology of water pump bearings, especially in the installation technology of vertical water pumps, the bearing assembly is an important component of the water pump and bears the weight of a rotor of the water pump, the weight of liquid pumped by the water pump, axial force generated when the water pump runs and medium thrust generated during the running process. When the rotor runs at a high speed for a long time, the bearing assembly also runs at a high speed, so that a large amount of heat can be generated, and when the temperature of the bearing is too high, the bearing is easy to damage, so that the defects of low running safety and reliability, short running service life, high maintenance and repair cost and the like of the pump are caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: bearing assemblies are prone to excessive temperatures at high speeds.

In order to solve the technical problem, the utility model provides a water pump with a heat dissipation assembly, which comprises a bearing box, a pump shaft, a bearing assembly and a cooling coil; a plurality of heat dissipation ribs are arranged on the outer side surface of the bearing box, the heat dissipation ribs are distributed at intervals around the bearing box and enclose a circle, an oil cavity is formed in the bearing box, and a liquid inlet and a liquid outlet are formed in the surface of the bearing box; the pump shaft penetrates through the bearing box; the bearing assembly is positioned in the oil cavity, and the pump shaft is connected with the bearing box through the bearing assembly; and cooling liquid is arranged in the cooling coil, the cooling coil winds the pump shaft in a spiral mode, and two ends of the cooling coil are communicated with the liquid inlet and the liquid outlet respectively.

Further, the bearing box comprises a lower box body and a bearing frame, the bearing frame is installed on the lower box body, the lower box body and the bearing frame surround to form the oil cavity, and the heat dissipation ribs are located on the outer side face of the lower box body.

Furthermore, a plurality of first heat dissipation fins are arranged on the surface of the bearing frame at intervals, and the first heat dissipation fins are annularly arranged around the pump shaft.

Furthermore, a plurality of second heat dissipation fins are arranged on the bottom surface of the bearing box at intervals, and the second heat dissipation fins are annularly arranged around the pump shaft.

Further, the cooling coil is positioned between the first and second fins.

Further, the bearing box still includes the bearing cap, the bearing cap lid in on the bearing bracket, be equipped with first temperature probe on the bearing cap, first temperature probe certainly the bearing cap to the bearing bracket extends, and inlay in the bearing bracket.

Furthermore, a bearing seat is fixedly arranged on the pump shaft, the bearing seat is sleeved outside the pump shaft, and the bearing assembly comprises a thrust bearing which is respectively connected with the bearing seat and the lower box body.

Further, the bearing assembly includes radial bearings coupled to the bearing housing and the bearing bracket, respectively.

Further, the bottom surface of bearing box is equipped with second temperature probe, second temperature probe inlays in the bearing box.

The embodiment of the utility model provides a take radiator unit's water pump compares with prior art, and its beneficial effect lies in: the pump shaft and the bearing assembly are cooled by the cooling ribs in a matched mode, so that the heat dissipation effect is greatly improved, the heat generated by high-speed operation of the pump shaft and the bearing assembly is prevented from influencing the normal operation of the water pump, the service life of the water pump is prolonged, the operation, maintenance and repair cost of the water pump is reduced, and the operation safety of the water pump is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a top view of the lower housing;

FIG. 3 is a cross-sectional view of the lower case;

FIG. 4 is a cross-sectional view of the bearing bracket;

fig. 5 is a top view of the bearing bracket.

In the figure, 1, a bearing housing; 11. heat dissipation ribs; 12. an oil chamber; 13. a liquid inlet; 14. a liquid outlet; 15. a lower box body; 151. a second heat radiation fin; 16. a bearing bracket; 161. a first heat radiation fin; 17. a bearing cap; 18. a first temperature probe; 19. a second temperature probe; 2. a pump shaft; 21. a bearing seat; 3. a bearing assembly; 31. a thrust bearing; 32. a radial bearing; 4. and cooling the coil.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like are used in the present invention as indicating 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 the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1, the embodiment of the present invention provides a water pump with heat dissipation assembly, which includes a bearing housing 1, a pump shaft 2, a bearing assembly 3 and a cooling coil 4, wherein the pump shaft 2 can rotate in the bearing housing 1, the pump shaft 2 is connected to the bearing housing 1 through the bearing assembly 3, and the cooling coil 4 is used for dissipating heat of the pump shaft 2 and the bearing assembly 3.

As shown in fig. 1-3, the lateral surface of bearing box 1 is equipped with a plurality of heat dissipation muscle 11, heat dissipation muscle 11 is made by the metal, heat dissipation muscle 11 is used for deriving the heat of bearing box 1, heat dissipation muscle 11 winds 1 interval distribution of bearing box just encloses into the round, is convenient for dispel the heat to whole bearing box 1. An oil cavity 12 is arranged in the bearing box 1, and oil is filled in the oil cavity 12. Bearing box 1 surface is seted up inlet 13 and liquid outlet 14, cooling coil 4's both ends respectively with inlet 13 with liquid outlet 14 is linked together, be equipped with the coolant liquid in the cooling coil 4, inlet 13 with liquid outlet 14 all is external to have the device that drives the coolant liquid circulation and flow. The pump shaft 2 penetrates through the bearing box 1, and the pump shaft 2 is located at the center of the bearing box 1. The bearing assembly 3 is located in the oil chamber 12, oil in the oil chamber 12 can conduct heat, and the cooling coil 4 spirals around the pump shaft 2, so that the contact area between the cooling coil 4 and the oil in the oil chamber 12 is increased.

As shown in fig. 1-3, the working process of the present invention is: the pump shaft 2 rotates in the bearing box 1, the bearing assembly 3 also rotates along with the pump shaft 2, a part of heat generated by the pump shaft 2 and the bearing assembly 3 is transferred to the bearing box 1 through oil in the oil cavity 12, the bearing box 1 transfers the heat to the heat dissipation rib 11 for heat dissipation, the other part of heat generated by the pump shaft 2 and the bearing assembly 3 is transferred to the cooling coil 4 through the oil in the oil cavity 12, and cooling liquid in the cooling coil 4 absorbs the heat and transfers the heat to the outside of the bearing box 1 for heat dissipation. To sum up, the embodiment of the utility model provides a take radiator unit's water pump, it dispels the heat to pump shaft 2 and bearing assembly 3 through 11 cooperation cooling coil pipes of heat dissipation muscle to increase substantially the radiating effect, avoid the heat that pump shaft 2 and bearing assembly 3 high-speed operation produced to influence the normal operating of water pump, prolonged the life of water pump, reduced the operation of water pump, maintained and cost of maintenance, improved the operation safety of water pump.

As shown in fig. 1 to 4, the bearing housing 1 includes a lower housing 15 and a bearing bracket 16, the bearing bracket 16 is mounted on the lower housing 15, the lower housing 15 and the bearing bracket 16 surround the oil chamber 12, the heat dissipation rib 11 is located on an outer side surface of the lower housing 15, the heat dissipation rib 11 and the lower housing 15 are integrally formed, and after the lower housing 15 absorbs heat transferred by oil in the oil chamber 12, the heat can be quickly transferred to the heat dissipation rib 11.

As shown in fig. 1, 4 and 5, a plurality of first heat dissipation fins 161 are disposed on the surface of the bearing frame 16 at intervals, the first heat dissipation fins 161 are annularly arranged around the pump shaft 2, the oil in the oil chamber 12 can transfer heat to the heat dissipation ribs 11 through the lower box body 15, and can also transfer heat to the first heat dissipation fins 161 through the bearing frame 16, and the heat dissipation efficiency of the bearing assembly 3 and the pump shaft 2 is improved by increasing a heat dissipation means. The bottom surface of the bearing box 1 is provided with a plurality of second heat dissipation fins 151 at intervals, the second heat dissipation fins 151 and the lower box body 15 are integrally formed, the second heat dissipation fins 151 are annularly arranged around the pump shaft 2, and the second heat dissipation fins 151 are additionally arranged on the bottom surface of the bearing box 1, so that the heat dissipation effects of the pump shaft 2 and the bearing assembly 3 are more uniform, and the local temperature in the oil cavity 12 is prevented from being higher. The cooling coil 4 is located between the first heat dissipating fins 161 and the second heat dissipating fins 151, and since heat generated by the bearing assembly 3 and the pump shaft 2 is transferred to the oil in the oil chamber 12, the cooling coil 4 is matched with the first heat dissipating fins 161 and the second heat dissipating fins 151 to be distributed at each position of the oil chamber 12, so that the effect of dissipating the heat of the oil in the oil chamber 12 is more uniform, the heat dissipation efficiency is higher, and the bearing assembly 3 immersed in the oil chamber 12 can be kept at a normal temperature.

As shown in fig. 1, the bearing housing 1 further includes a bearing cap 17, the bearing cap 17 covers the bearing frame 16, the bearing cap 17 is provided with a first temperature probe 18, the first temperature probe 18 extends from the bearing cap 17 to the bearing frame 16 and is embedded in the bearing frame 16, and the temperature probe can detect the temperature of the bearing cap 17 and the temperature of the bearing frame 16, so as to conveniently monitor the temperature at the top of the oil chamber 12. The bottom surface of bearing box 1 is equipped with second temperature probe 19, second temperature probe 19 inlay in bearing box 1, second temperature probe 19 can detect the temperature of bearing box 1 bottom, conveniently monitors the temperature of oil pocket 12 bottom, cooperates first temperature probe 18 can predict the holistic problem of oil pocket 12 to and the temperature of bearing assembly 3 and pump shaft 2.

As shown in fig. 1-2, a bearing seat 21 is fixedly disposed on the pump shaft 2, the bearing seat 21 is sleeved outside the pump shaft 2, the bearing assembly 3 includes a thrust bearing 31, the thrust bearing 31 is respectively connected to the bearing seat 21 and the lower case 15, the bearing assembly 3 includes a radial bearing 32, and the radial bearing 32 is respectively connected to the bearing seat 21 and the bearing bracket 16. The thrust bearing 31 can bear the axial force generated when the pump shaft 2 rotates, and shares the force borne by the radial bearing 32, so that the axial load strength of the water pump is ensured, the operation safety and reliability of the water pump and the bearing assembly 3 are improved, and the service life of the pump is prolonged.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a take radiator unit's water pump which characterized in that includes:

the bearing box is characterized in that a plurality of heat dissipation ribs are arranged on the outer side face of the bearing box, the heat dissipation ribs are distributed at intervals around the bearing box and enclose a circle, an oil cavity is formed in the bearing box, and a liquid inlet and a liquid outlet are formed in the surface of the bearing box;

the pump shaft penetrates through the bearing box;

a bearing assembly located within the oil cavity, the pump shaft being connected to the bearing housing through the bearing assembly; and

and the cooling coil is internally provided with cooling liquid, winds the pump shaft and spirals, and the two ends of the cooling coil are respectively communicated with the liquid inlet and the liquid outlet.

2. The water pump with a heat dissipating assembly of claim 1, wherein: the bearing box comprises a lower box body and a bearing frame, the bearing frame is arranged on the lower box body, the lower box body and the bearing frame surround to form the oil cavity, and the heat dissipation ribs are located on the outer side face of the lower box body.

3. The water pump with a heat dissipating assembly as claimed in claim 2, wherein: a plurality of first radiating fins are arranged on the surface of the bearing frame at intervals, and the first radiating fins are annularly arranged around the pump shaft.

4. The water pump with a heat dissipating assembly of claim 3, wherein: and a plurality of second radiating fins are arranged on the bottom surface of the bearing box at intervals, and the second radiating fins are annularly arranged around the pump shaft.

5. The water pump with a heat dissipating assembly of claim 4, wherein: the cooling coil is positioned between the first and second fins.

6. The water pump with a heat dissipating assembly as claimed in claim 2, wherein: the bearing box further comprises a bearing cover, the bearing cover covers the bearing frame, a first temperature probe is arranged on the bearing cover, and the first temperature probe extends from the bearing cover to the bearing frame and is embedded in the bearing frame.

7. The water pump with a heat dissipating assembly as claimed in claim 2, wherein: the pump shaft is fixedly provided with a bearing seat which is sleeved outside the pump shaft, and the bearing assembly comprises a thrust bearing which is respectively connected with the bearing seat and the lower box body.

8. The water pump with a heat dissipating assembly of claim 7, wherein: the bearing assembly comprises a radial bearing, and the radial bearing is respectively connected with the bearing seat and the bearing frame.

9. The water pump with a heat dissipating assembly of claim 1, wherein: the bottom surface of bearing box is equipped with the second temperature probe, the second temperature probe inlay in the bearing box.

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