Large-suction high-lift air conditioner drainage pump

Abstract

According to the large-suction high-lift air conditioner drainage pump, the open groove is formed in the side wall of the upper portion of the water inlet containing cavity of the air conditioner drainage pump, so that the water inlet containing cavity is not prone to being completely blocked, a water inlet of the water pump can normally suck water regardless of the posture, the speed and the depth of the water level, the water suction effect is better, and limitation of conditions is avoided; in addition, the inner cavity of the water suction and drainage cover is hermetically arranged at the top of the pump body shell through a sealing cover and a sealing ring on the outer ring of the sealing cover to form a sealed pump body structure, the design of an exhaust hole is omitted, and the drainage lift of the water pump can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water pumps, in particular to an air-conditioning drainage pump with large suction and high lift. Background Art

[0002] The existing air conditioner condensate pump usually has a flush outer wall design on the upper part of the water inlet cavity, and is designed with an exhaust hole connected to the inner cavity of the water suction and drainage cover. In this design, the upper part of the water inlet cavity is flush with the outer wall, which is easy to be completely covered by foreign objects and impurities, blocking the water inlet cavity, resulting in poor water absorption performance; in addition, the exhaust hole design will affect the water pumping pressure and pump head to a certain extent. Therefore, further improvements are needed. Utility Model Content

[0003] In view of this, the utility model provides a large suction and high lift air conditioning drainage pump, and aims at the problems of the prior art, designs a grooved and sealed pump body structure to solve the existing technical problems.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A large suction and high lift air conditioning drainage pump comprises a pump body shell, a motor arranged in the pump body shell, a water suction and drainage cover arranged on the top of the pump body shell, a drainage pipe connected to the inner cavity of the water suction and drainage cover is arranged on the side of the water suction and drainage cover, a water inlet accommodating chamber connected to the inner cavity of the water suction and drainage cover is arranged in the middle of the water suction and drainage cover, an impeller connected to the power of the motor output shaft is rotatably arranged in the water inlet accommodating chamber, a groove is arranged on the upper side wall of the water inlet accommodating chamber, the inner cavity of the water suction and drainage cover is sealed on the top of the pump body shell by a sealing cover and a sealing ring on the outer ring of the sealing cover, and a through hole connected to the impeller and the motor output shaft is arranged in the center of the sealing cover.

[0006] Furthermore, a motor rotor accommodating chamber is provided inwardly at the center of the top of the pump shell.

[0007] Furthermore, the motor is a brushless motor.

[0008] The beneficial effects of the utility model are:

[0009] The utility model provides a groove on the upper side wall of the water inlet accommodating chamber of the air-conditioning drainage pump, so that the water inlet accommodating chamber is not easily completely blocked, and the water pump can absorb water normally regardless of the posture, speed and water level of the water inlet, and the water absorption effect is better and is not restricted by conditions; in addition, the inner cavity of the water absorption and drainage cover is sealed on the top of the pump body shell through a sealing cover and a sealing ring on the outer ring of the sealing cover to form a sealed pump body structure, eliminate the exhaust hole design, and improve the drainage head of the water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of a high suction and high lift air conditioning drainage pump in the utility model;

[0011] Figure 2 This is a schematic diagram of the disassembly of the large suction and high lift air-conditioning drainage pump in the utility model.

[0012] The following are the descriptions of the reference numerals:

[0013] 1 is the pump body shell, 2 is the motor, 3 is the water suction and drainage cover, 301 is the drainage pipe, 302 is the water inlet accommodating chamber, 4 is the impeller, 303 is the slot, 304 is the sealing cover, 305 is the sealing ring, 306 is the through hole, and 101 is the motor rotor accommodating chamber. DETAILED DESCRIPTION

[0014] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0015] The following describes the embodiments of the present disclosure through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present disclosure.

[0016] In order to improve the water absorption performance and drainage head, the specific contents of the utility model are as follows.

[0017] Combination Figure 1 and Figure 2 As shown, the embodiment of the utility model is a large suction and high lift air conditioning drainage pump, comprising a pump housing 1, a motor 2 arranged in the pump housing 1, a water suction and drainage cover 3 arranged on the top of the pump housing 1, a drainage pipe 301 connected to the inner cavity of the water suction and drainage cover 3 is arranged on the side of the water suction and drainage cover 3, a water inlet accommodating chamber 302 connected to the inner cavity of the water suction and drainage cover 3 is arranged in the middle of the water suction and drainage cover 3, and an impeller 4 connected to the output shaft of the motor 2 can be rotatably arranged in the water inlet accommodating chamber 302;

[0018] Importantly, a slot 303 is provided on the upper side wall of the water inlet accommodating chamber 302, and the inner chamber of the water suction and drainage cover 3 is sealed at the top of the pump housing 1 through a sealing cover 304 and a sealing ring 305 on the outer ring of the sealing cover 304, and a through hole 306 for power connection between the impeller 4 and the output shaft of the motor 2 is provided at the center of the sealing cover 304;

[0019] With such a design, a groove 303 is provided on the upper side wall of the water inlet chamber 302 of the air-conditioning drainage pump, so that the water inlet chamber 302 is not easily completely blocked, and the water pump can absorb water normally regardless of the posture, speed and water level of the water inlet, and the water absorption effect is better and is not restricted by conditions; in addition, the inner cavity of the water absorption and drainage cover 3 is sealed on the top of the pump body shell 1 through a sealing cover 304 and a sealing ring 305 on the outer ring of the sealing cover 304, forming a sealed pump body structure, eliminating the exhaust hole design, and improving the drainage head of the water pump.

[0020] Preferably, a motor rotor accommodating cavity 101 is recessed inwardly at the top center of the pump body shell 1, the rotor part of the motor 2 is arranged in the motor rotor accommodating cavity 101, and the stator part of the motor 2 is arranged outside the motor rotor accommodating cavity 101, so that the electrical part can be isolated and water can be effectively prevented from entering the electrical part and causing damage to the water pump.

[0021] Preferably, the motor 2 is a brushless motor. Here, the advantage of the brushless motor is that it is more suitable for the design of the water pump. Of course, it can also be other types of compatible inner rotor water pumps.

[0022] The above is only for explaining the implementation mode of the utility model and is not used to limit the utility model. For those skilled in the art, any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the utility model without creative work should be included in the protection scope of the utility model.

Claims

1. A high suction and high lift air conditioning drainage pump, comprising a pump housing, a motor arranged in the pump housing, a water suction and drainage cover arranged on the top of the pump housing, a drainage pipe connected to the inner cavity of the water suction and drainage cover is arranged on the side of the water suction and drainage cover, a water inlet accommodating chamber connected to the inner cavity of the water suction and drainage cover is arranged in the middle of the water suction and drainage cover, an impeller connected to the motor output shaft can be rotatably arranged in the water inlet accommodating chamber, characterized in that: The upper side wall of the water inlet accommodating chamber is provided with a groove, the inner cavity of the water suction and drainage cover is sealed on the top of the pump body shell through a sealing cover and a sealing ring on the outer ring of the sealing cover, and the center of the sealing cover is provided with a through hole for power connection between the impeller and the motor output shaft.

2. The high suction and high lift air conditioning drainage pump according to claim 1, characterized in that: The center of the top of the pump shell is inwardly recessed to provide a motor rotor accommodating chamber.

3. The high suction and high lift air conditioning drainage pump according to claim 1, characterized in that: The motor is a brushless motor.

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