CN221257225U - Condensate drain pump with improved exhaust - Google Patents

Abstract

The utility model discloses a condensate drain pump with improved exhaust, which relates to the technical field of water pump equipment, and the condensate drain pump comprises a motor shell, an exhaust shell and a pump shell which are sequentially buckled from top to bottom, wherein an exhaust chamber is formed in the exhaust shell, the exhaust chamber is communicated with the inside of the pump shell, an insertion part is fixedly arranged at the lower end of the motor shell, the insertion part is inserted into the exhaust shell, a first exhaust groove is vertically formed in the insertion part, a second exhaust groove is vertically formed in the outer side surface of the motor shell, an arc-shaped groove is transversely formed in the inner side of the upper end of the exhaust shell, two ends of the first exhaust groove are respectively communicated with the exhaust chamber and the arc-shaped groove, and the second exhaust groove is communicated with the arc-shaped groove; on the basis of not influencing normal exhaust, the utility model further reduces the flow speed and the water pressure of the water flow sprayed out of the second exhaust groove, prevents the water flow from being sprayed out of the second exhaust groove at a high speed, ensures that the high-power drainage pump can work normally, and has more convenient and faster assembly mode.

Description

Condensate drain pump with improved exhaust

Technical Field

The utility model relates to the technical field of water pump equipment, in particular to a condensate water draining pump with improved exhaust.

Background

When the refrigeration equipment works, moisture in the air can condense and drip into a water receiving tray below a heat exchanger of the refrigeration equipment, and the condensed water needs to be discharged in time by utilizing a drainage pump; the power of part of refrigeration equipment is larger, the quantity of produced condensate water is larger, therefore, the motor with higher power needs to be designed to be matched with an impeller to discharge the condensate water, because the impeller can suck the condensate water and air together during water discharge, the sucked air floats up into an exhaust chamber and is finally discharged through an exhaust hole in the exhaust chamber, after the power of the motor is increased, part of the condensate water can enter the exhaust chamber under larger suction force, and finally is sprayed out from the exhaust hole at a high speed, water can be sprayed out of a water receiving disc from the exhaust hole at a high speed, so that water discharge abnormality is caused.

Disclosure of utility model

The utility model aims to further reduce the flow velocity of water flow ejected from the second exhaust groove on the basis of not influencing normal exhaust, prevent the water flow from being ejected from the second exhaust groove at a high speed, and enable the high-power drainage pump to work normally.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a condensate drain pump of exhaust improvement, includes motor casing, exhaust shell and the pump case of top-down lock in proper order, set up the exhaust chamber in the exhaust shell, exhaust chamber and the inside intercommunication of pump case, the motor casing lower extreme is fixed to be provided with the insert portion, insert portion inserts and establishes in the exhaust shell, and vertical first exhaust groove of having seted up on the insert portion, vertical second exhaust groove of having seted up on the lateral surface of motor casing, the arc wall has transversely been seted up to the inboard of exhaust shell upper end, and the both ends of first exhaust groove communicate with exhaust chamber and arc wall respectively, second exhaust groove and arc wall intercommunication.

Further, the motor pump also comprises a driving mechanism and an impeller, wherein the driving mechanism is fixedly arranged in the motor casing, the lower end of the pump casing is provided with a water inlet, the side surface of the pump casing is provided with a water outlet, the impeller is pivoted in the pump casing, and the driving mechanism drives the impeller to rotate.

Further, the lower end of the water inlet is fixedly provided with a supporting leg.

Further, the motor further comprises a control circuit board which is fixedly arranged in the motor shell and is electrically connected with the driving mechanism.

Further, the motor casing is fixedly provided with a first buckle, the exhaust casing is fixedly provided with a first clamping hook and a second buckle, the pump casing is fixedly provided with a second clamping hook, the first clamping hook and the first buckle are mutually buckled, and the second clamping hook and the second buckle are mutually buckled.

Further, the inside of the exhaust shell is fixedly provided with a reinforcing rib.

Further, a wire arrangement hole is formed in the motor casing.

Further, a sealing ring is fixedly arranged between the exhaust shell and the pump shell.

The beneficial effects of the utility model are as follows: according to the utility model, the first exhaust groove is formed in the insertion part, the second exhaust groove is formed in the outer side surface of the motor casing, the arc-shaped groove is formed in the inner side of the upper end of the exhaust casing, and gas and condensed water in the exhaust chamber sequentially pass through the first exhaust groove, the arc-shaped groove and the second exhaust groove and are arranged vertically, so that the direction of water flow is changed when the condensed water enters the arc-shaped groove from the first exhaust groove, the flow speed and the water pressure of water flow are weakened, the direction of water flow is changed again when the condensed water enters the second exhaust groove from the arc-shaped groove, the flow speed and the water pressure of water flow are further weakened, and after the condensed water is depressurized through two curves, the water pressure of the condensed water discharged from the second exhaust groove is far smaller than the water pressure in the exhaust chamber, so that the condensed water flows out of the second exhaust groove at a lower speed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is a schematic view of the motor casing, exhaust casing, and pump casing of the present utility model;

FIG. 4 is a schematic view of the structure of the motor housing and the exhaust housing of the present utility model;

FIG. 5 is a side view of the overall structure of the present utility model;

FIG. 6 is a cross-sectional view taken at A-A in FIG. 5;

FIG. 7 is an enlarged view at C in FIG. 6;

FIG. 8 is a side view of the overall structure of the present utility model;

FIG. 9 is a cross-sectional view taken at B-B in FIG. 8;

fig. 10 is an enlarged view of D in fig. 9;

The reference numerals are:

The motor casing 1, the first buckle 11, the insertion part 12, the first exhaust groove 121, the second exhaust groove 13, the wire arrangement hole 14,

The exhaust shell 2, the first clamping hook 21, the second clamping buckle 22, the arc-shaped groove 23 and the reinforcing rib 24,

Pump shell 3, second clamping hook 31, water inlet 32, water outlet 33,

Control circuit board 4, actuating mechanism 5, impeller 6, sealing washer 7.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

An exhaust-gas-modified condensate drain pump as shown in fig. 1 to 10 includes a motor casing 1, an exhaust casing 2, a pump casing 3, a control circuit board 4, a driving mechanism 5, and an impeller 6.

Wherein motor casing 1, exhaust shell 2 and pump case 3 lock in proper order from top to bottom, and specific structure is: the motor casing 1 is fixedly provided with the first buckle 11, the exhaust casing 2 is fixedly provided with the first clamping hook 21 and the second buckle 22, the pump casing 3 is fixedly provided with the second clamping hook 31, the first clamping hook 21 and the first buckle 11 are mutually buckled, and the second clamping hook 31 and the second buckle 22 are mutually buckled, so that the motor casing 1, the exhaust casing 2 and the pump casing 3 are quickly assembled.

An exhaust chamber is formed in the exhaust shell 2 and is communicated with the inside of the pump shell 3, an inserting portion 12 is fixedly arranged at the lower end of the motor shell 1, the inserting portion 12 is inserted into the exhaust shell 2, a first exhaust groove 121 is vertically formed in the inserting portion 12, a second exhaust groove 13 is vertically formed in the outer side face of the motor shell 1, an arc groove 23 is transversely formed in the inner side of the upper end of the exhaust shell 2, two ends of the first exhaust groove 121 are respectively communicated with the exhaust chamber and the arc groove 23, and the second exhaust groove 13 is communicated with the arc groove 23.

In this embodiment, the first exhaust groove 121 and the second exhaust groove 13 are vertically arranged, the arc groove 23 is horizontally arranged, when the condensed water enters the arc groove 23 from the first exhaust groove 121, the water flow direction is vertically changed, the flow speed and the water pressure of the water flow are weakened, when the condensed water enters the second exhaust groove 13 from the arc groove 23, the water flow direction is vertically changed again, the flow speed and the water pressure of the water flow are further weakened, after the pressure is reduced through two curves, the water pressure of the condensed water discharged from the second exhaust groove 13 is far smaller than the water pressure in the exhaust chamber, so that the condensed water flows out from the second exhaust groove 13 at a lower speed, and high-speed injection is prevented.

The control circuit board 4 is fixedly arranged in the motor casing 1, the control circuit board 4 is electrically connected with the driving mechanism 5, the driving mechanism 5 is fixedly arranged in the motor casing 1, the lower end of the pump casing 3 is provided with a water inlet 32, the side surface of the pump casing 3 is provided with a water outlet 33, the impeller 6 is pivoted in the pump casing 3, the driving mechanism 5 drives the impeller 6 to rotate, the impeller 6 is a centrifugal impeller 6, condensed water is pumped into the pump casing 3 from the water inlet 32 when the impeller 6 rotates, and the condensed water in the pump casing 3 is thrown out from the water outlet 33 under the action of centrifugal force.

In this embodiment, the power of the driving mechanism 5 is high-power driving mechanism 5, the driving mechanism 5 drives the impeller 6 to rotate at a higher speed, the water flow ejected from the water outlet 33 is at a higher speed, and the design of the first air discharge groove 121, the second air discharge groove 13 and the arc groove 23 is beneficial to reducing the speed and the water pressure when the condensed water flows out of the second air discharge groove 13, so that normal air discharge is realized, water flow can be prevented from being ejected from the second air discharge groove at a high speed, and the high-power drain pump can work normally.

The lower extreme of water inlet 32 is fixedly provided with the spike, and the effect of spike lies in: facilitating the communication of condensate from the water inlet 32 to the drip tray.

The reinforcing ribs 24 are fixedly arranged in the exhaust shell 2, and the reinforcing ribs 24 are beneficial to enhancing the toughness of the exhaust shell 2 and preventing the exhaust shell from deforming; the motor shell 1 is provided with a wire arranging hole 14, and the wire arranging hole 14 is beneficial to wire routing; a sealing ring 7 is fixedly arranged between the exhaust shell 2 and the pump shell 3, and the sealing ring 7 is used for realizing water resistance between the exhaust shell 2 and the pump shell 3.

The working principle of the utility model is as follows: when the condensed water in the water pan of the air conditioner needs to be pumped out, the utility model is firstly put into the water pan, the water inlet 32 on the pump shell 3 faces downwards, the control circuit board 4 controls the driving mechanism 5 to work, the driving mechanism 5 drives the impeller 6 to rotate, the condensed water and the air are pumped into the pump shell 3 from the water inlet 32, and the condensed water in the pump shell 3 is thrown out from the water outlet 33 under the action of centrifugal force; the air and condensed water sucked into the pump case 3 flow into the exhaust chamber, the air and condensed water in the exhaust chamber are sequentially discharged to the outside through the first exhaust groove 121, the arc groove 23 and the second exhaust groove 13, and the arc groove 23 is transversely arranged, so that when the condensed water enters the arc groove 23 from the first exhaust groove 121, the direction of the water flow is changed, the flow speed and the water pressure of the water flow are weakened, when the condensed water enters the second exhaust groove 13 from the arc groove 23, the flow speed and the water pressure of the water flow are changed again, the flow speed and the water pressure of the water flow are weakened, after the condensed water is decompressed through two curves, the water pressure of the condensed water discharged from the second exhaust groove 13 is far less than the water pressure in the exhaust chamber, so that the condensed water can flow out of the second exhaust groove 13 at a lower speed, the utility model can exhaust normally, and the water flow can be prevented from being ejected out of the second exhaust groove 13 at a high speed, thereby realizing the purpose of high-power drain pump capable of working normally.

The above disclosure is only a preferred embodiment of the present utility model, and the scope of the present utility model is not limited thereto, so that the present utility model is not limited to the above embodiments, and any modifications, equivalents and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the present utility model.

Claims (8)

1. A condensate drain pump with improved exhaust, characterized in that: including motor casing, exhaust shell and the pump case of top-down lock in proper order, set up the exhaust chamber in the exhaust shell, exhaust chamber and the inside intercommunication of pump case, the motor casing lower extreme is fixedly provided with the insert portion, insert portion inserts and establishes in the exhaust shell, and the first exhaust groove has been vertically seted up on the insert portion, the second exhaust groove has been vertically seted up on the lateral surface of motor casing, the arc wall has transversely been seted up to the inboard of exhaust shell upper end, and the both ends of first exhaust groove communicate with exhaust chamber and arc wall respectively, and second exhaust groove communicates with the arc wall.

2. The exhaust-gas-modified condensate drain pump of claim 1, wherein: the motor is characterized by further comprising a driving mechanism and an impeller, wherein the driving mechanism is fixedly arranged in the motor casing, a water inlet is formed in the lower end of the pump casing, a water outlet is formed in the side face of the pump casing, the impeller is pivoted in the pump casing, and the driving mechanism drives the impeller to rotate.

3. The exhaust-gas-modified condensate drain pump of claim 2, wherein: the lower end of the water inlet is fixedly provided with a supporting foot.

4. The exhaust-gas-modified condensate drain pump of claim 2, wherein: the motor further comprises a control circuit board, wherein the control circuit board is fixedly arranged in the motor casing and is electrically connected with the driving mechanism.

5. The exhaust-gas-modified condensate drain pump of claim 1, wherein: the motor casing is fixedly provided with a first buckle, the exhaust casing is fixedly provided with a first clamping hook and a second buckle, the pump casing is fixedly provided with a second clamping hook, the first clamping hook and the first buckle are mutually buckled, and the second clamping hook and the second buckle are mutually buckled.

6. The exhaust-gas-modified condensate drain pump of claim 1, wherein: reinforcing ribs are fixedly arranged in the exhaust shell.

7. The exhaust-gas-modified condensate drain pump of claim 1, wherein: and a wire arrangement hole is formed in the motor casing.

8. The exhaust-gas-modified condensate drain pump of any one of claims 1-7, wherein: and a sealing ring is fixedly arranged between the exhaust shell and the pump shell.