CN112049790B

CN112049790B - Booster pump heat radiation structure

Info

Publication number: CN112049790B
Application number: CN202010668666.XA
Authority: CN
Inventors: 王行飞; 陈建华
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-05-18
Anticipated expiration: 2040-07-13
Also published as: CN112049790A

Abstract

A heat radiation structure of a booster pump at least comprises a pump shell, a rotor and a pump shaft, wherein the rotor is positioned in the pump shell; the fan or the wind wheel is in driving connection with the other end of the pump shaft and is positioned outside the pump shell; the wind gathering cover is arranged on the periphery of the fan or the wind wheel; the air guide cover is arranged on the outer side of the air gathering cover, a gap is formed between the air guide cover and the inner wall of the air guide cover, and an air outlet of the air guide cover blows along the outer wall of the pump shell. The fan or the wind wheel is driven by the power generated when the pump shaft of the booster pump rotates, and an additional proportioning motor is not needed. Meanwhile, the air collecting cover and the air guide cover are arranged, air is blown along the outer wall of the pump shell, and heat dissipation of the booster pump can be effectively accelerated.

Description

Booster pump heat radiation structure

Technical Field

The invention relates to a booster pump which can be applied to a water purifier for improving water pressure.

Background

With the development of water purification products, the requirements of users on flow, the service life of a filter element and the like are higher and higher. Therefore, the flow rate of the booster pump used on the water purifier is also increasing. At the same time, the operating pressure of the booster pump is also increasing. This leads to a more pronounced problem of heat generation during operation of the booster pump. Especially for noise reduction, the casing and some suction materials for sound insulation are designed outside the booster pump, which is more unfavorable for heat dissipation of the booster pump.

A plurality of technical solutions are also disclosed in the prior art, and refer to chinese patent application publication No. 201410709479.X, "a booster pump" (application publication No. CN109404247A), which is provided with a plurality of fluid passages in a wall of a motor casing, and when the motor is in operation, fluid such as water, oil, gas and the like flowing through the fluid passages can take away heat generated by current flowing through a stator, so as to provide a good heat dissipation effect for the motor. Reference may also be made to chinese utility model patent with patent number 201920714820.5, "a booster pump damping device" (grant publication number CN210371811U), which can play good buffering and fast heat dissipation to the rocking of booster pump body through the cooperation of backup pad, water bag, cooling water, outlet pipe, arc cooling tube and inlet tube.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide another heat dissipation structure of a booster pump in view of the above technical situation.

The second technical problem to be solved by the present invention is to provide a heat dissipation structure of a booster pump, which utilizes a pump shaft of the booster pump to drive a fan or a wind wheel to cool a pump housing.

The technical scheme adopted by the invention for solving the technical problems is as follows: a kind of booster pump heat-dissipating structure, including pump casing, trochanter and pump spindle at least, the aforesaid trochanter locates in pump casing, the aforesaid pump spindle can be rotated and set up on the pump casing axially and one end has the aforesaid trochanter, characterized by that another end of the said pump spindle stretches out of the pump casing;

the heat dissipation structure further comprises

The fan or the wind wheel is in driving connection with the other end of the pump shaft and is positioned outside the pump shell;

the wind gathering cover is arranged on the periphery of the fan or the wind wheel; and

and the air guide cover is arranged on the outer side of the air gathering cover, a gap is formed between the air guide cover and the inner wall of the air guide cover, and an air outlet of the air guide cover blows along the outer wall of the pump shell.

Further, the pump shell comprises a cylindrical part and an end cover part arranged at one end of the cylindrical part, one end of the pump shaft extends out of the end cover part and is provided with a fan or a wind wheel, the wind gathering cover is arranged on the outer side of the end cover part, and an air outlet of the wind guiding cover blows along the outer wall of the cylindrical part.

The wind-gathering cover is provided with an air inlet in the side direction, and an air outlet with the caliber gradually reduced is formed in the middle of the front end of the wind-gathering cover. Is beneficial to improving the wind speed.

The air guide cover is characterized in that an axially protruding air guide column is arranged in the middle of the inner wall of the air guide cover, the air guide column is conical, the outer wall of the air guide column is smooth, and a gap for air to flow out is formed between the air guide column and the inner wall of the air outlet of the air gathering cover. The air guide column guides air to the periphery and flows away along the outer wall of the cylindrical part.

Furthermore, the wind scooper comprises a sleeve part and a cone part formed on the sleeve part, the wind guide column is formed on the inner side of the cone part, and the air outlet is formed on the port of the sleeve part.

The wind scooper is preferably arranged as follows: the wind-gathering cover is formed with a clamping portion around the air inlet, and correspondingly, the wind-guiding cover is provided with a bayonet matched with the clamping portion in a clamping mode.

The wind-collecting cover is preferably arranged as follows: the outer wall of the end cover part is provided with a clamping hook, and correspondingly, the inner wall of the air collecting cover is provided with a clamping groove matched with the clamping hook in a clamping mode.

Compared with the prior art, the invention has the advantages that: the fan or the wind wheel is arranged at the tail end of the booster pump, the fan or the wind wheel is driven by the power generated when the pump shaft of the booster pump rotates, and an additional proportioning motor is not needed. Simultaneously, combine wind-collecting cover and wind scooper, can guarantee that the air blows along the pump case outer wall, can effectually accelerate the booster pump heat dissipation, avoid the booster pump high temperature and lead to the booster pump life-span to reduce, or arouse some safety problems.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment.

Fig. 2 is an exploded view of the embodiment.

Fig. 3 is a partially enlarged perspective sectional view of the embodiment.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 and 2, the heat dissipation structure of the booster pump in this embodiment includes a pump housing 1, a rotor 3, a pump shaft 2, a fan 4, a wind collecting cover 5, and a wind scooper 6, wherein the rotor 3 is located in the pump housing 1, and the pump housing 1 includes a cylindrical portion 11 and an end cover portion 12 disposed at one end of the cylindrical portion 11.

The pump shaft 2 is axially and rotatably arranged on the pump shell 1, one end of the pump shaft is provided with a rotor 3, and the other end of the pump shaft 2 extends out of the end cover part 12; the fan 4 is arranged at the other end of the pump shaft 2 and is positioned outside the pump shell 1. Of course, the fan may also be connected to the pump shaft through a speed change mechanism, such as a gear set. The fan in the embodiment can be replaced by a wind wheel.

The wind gathering cover 5 is arranged outside the end cover part 12 and sleeved on the periphery of the fan 4; the wind-collecting cover 5 has an air inlet 51 at the side and an air outlet 52 with gradually reduced caliber at the middle of the front end.

The air guide cover is arranged outside the air collecting cover 5 and has a gap with the inner wall of the air guide cover 6, and the air outlet 65 of the air guide cover 6 blows along the outer wall of the cylindrical part 11. The wind scooper 6 includes a sleeve portion 61, a tapered portion 62 formed on the sleeve portion 61, and a wind guiding pillar 63 axially protruding on an inner side of the tapered portion 62 as shown in fig. 3, wherein the wind guiding pillar 63 is tapered and has a smooth outer wall, and the wind guiding pillar 63 extends into the air outlet 52 of the wind collecting cover 5 and has a gap for air to flow out from the inner wall of the air outlet 52 of the wind collecting cover 5. The exhaust port 65 is formed on a port of the sleeve portion 61.

The wind-collecting cover 5 is formed with a clamping portion 53 around the air inlet 51, and the wind-guiding cover 6 is provided with a bayonet 64 in clamping fit with the clamping portion 53.

The outer wall of the end cover part 12 is provided with a hook 121, and the inner wall of the wind gathering cover 5 is provided with a slot 54 which is matched with the hook 121 in a clamping way.

The fan is driven by the power generated when the pump shaft of the booster pump rotates, and an additional proportioning motor is not needed. Simultaneously, combine the setting of wind-collecting cover and wind scooper, can guarantee that the air blows along the pump case outer wall, can effectually accelerate the booster pump heat dissipation, avoid the booster pump high temperature and lead to the booster pump life-span to reduce, or arouse some safety problems.

Claims

1. A heat dissipation structure of a booster pump at least comprises a pump shell (1), a rotor (3) and a pump shaft (2), wherein the rotor (3) is positioned in the pump shell (1), the pump shaft (2) is axially and rotatably arranged on the pump shell (1), one end of the pump shaft is provided with the rotor (3), and the heat dissipation structure is characterized in that the other end of the pump shaft (2) extends out of the pump shell (1);

the heat dissipation structure further comprises

The fan (4) or the wind wheel is in driving connection with the other end of the pump shaft (2) and is positioned outside the pump shell (1);

a wind-gathering cover (5) arranged on the periphery of the fan (4) or the wind wheel; and

and the air guide cover (6) is arranged on the outer side of the air gathering cover (5) and has a gap with the inner wall of the air guide cover (6), and an air outlet (65) of the air guide cover (6) blows along the outer wall of the pump shell (1).

2. The booster pump heat dissipation structure of claim 1, wherein the pump casing (1) comprises a cylindrical portion (11) and an end cover portion (12) disposed at one end of the cylindrical portion (11), one end of the pump shaft (2) extends out of the end cover portion (12) and is provided with a fan (4) or a wind wheel, the wind collecting cover (5) is disposed outside the end cover portion (12), and the air outlet (65) of the wind scooper (6) blows along the outer wall of the cylindrical portion (11).

3. The heat dissipation structure of the booster pump as recited in claim 2, wherein the air collecting cover (5) has an air inlet (51) at a side thereof and an air outlet (52) with a gradually reduced diameter is formed at a middle portion of a front end thereof.

4. The heat dissipation structure of the booster pump as recited in claim 3, wherein the air guiding pillar (63) is axially protruded at the middle of the inner wall of the air guiding cover (6), the air guiding pillar (63) is tapered and has a smooth outer wall, and the air guiding pillar (63) extends into the air outlet (52) of the air collecting cover (5) and has a gap for air to flow out with the inner wall of the air outlet (52) of the air collecting cover (5).

5. The heat dissipation structure of the booster pump as claimed in claim 4, wherein the wind scooper (6) comprises a sleeve portion (61) and a cone portion (62) formed on the sleeve portion (61), the wind guiding pillar (63) is formed inside the cone portion (62), and the air outlet (65) is formed at a port of the sleeve portion (61).

6. The booster pump heat dissipation structure as set forth in claim 3, wherein the air collecting cover (5) is formed with a snap-fit portion (53) around the air inlet (51), and correspondingly, the air guiding cover (6) has a bayonet (64) snap-fit with the snap-fit portion (53).

7. The booster pump heat radiation structure as claimed in claim 2, wherein the outer wall of the end cap portion (12) is provided with a hook (121), and correspondingly, the inner wall of the air collecting cover (5) is provided with a slot (54) engaged with the hook (121).