TWI701389B - Drain pump for air conditioner with installation structure - Google Patents

Abstract

A drainage pump for an air conditioner with a mounting structure, comprising: a lower casing; a main casing arranged above the lower casing and forming a drainage chamber with the lower casing; The drain vane, the main casing contains a motor; and a cover body, which is arranged on the main casing; the top edge of the main casing extends upward and outward obliquely with a plurality of fixed feet with a predetermined length, each The fixed foot has a plate-shaped body and two reinforcing ribs on both sides of the plate-shaped body, the two reinforcing ribs of each of the fixed feet are parallel to each other; the top of each fixed foot has a platform, and the platform has a fixing hole; The cover body has a plurality of retreat spaces recessed from the edge inward, and each retreat space is provided for the passage of the fixed feet, so that the cover body can cover the top edge of the main casing.

Description

Drain pump for air conditioner with installation structure

The present invention relates to a drainage device, in particular to a drainage pump for an air conditioner with an installation structure.

my country Invention Patent No. I612221 discloses a drain pump for an air conditioner. Its shell is divided into a motor upper shell, a cylindrical body, and a lower drain shell, and the motor upper shell is provided with three upwardly extending Fixed feet, these three fixed feet can be used to install on the air conditioner. In addition, the fixing method between the upper housing of the motor and the cylindrical body is that the upper housing of the motor extends outwards with a plurality of lugs, and the cylindrical body extends outwards with a plurality of fixing posts, and bolts pass through the convex The ears are locked on the fixing pole, thereby fixing the upper shell of the motor on the cylindrical body.

Japanese Patent No. 4874765 discloses another drainage pump for an air-conditioning device. The top of the motor housing (Figure No. 2) is provided with three fixed feet with unequal angular distribution, which can be used to install on the air-conditioning device. In addition, the fixing method between the upper plate of the motor housing and the middle pump housing (figure number 1) is also by extending the plurality of lugs (figure number 21) from the motor housing Extend a plurality of take-and-attach parts (Figure No. 12), and use bolts to pass through the lugs to lock to the take-and-attach part, thereby fixing the motor part on the pump housing.

Japanese Patent No. 5934515 also discloses a drain pump for an air-conditioning device. The integral shell is a shell that houses the motor and part of the motor components, and the upper section of the shell The motor (figure number 60) is placed in the position, and the motor parts (drive shaft (figure number 110) and the water baffle plate (figure number 30)) are housed in the middle of the housing. In this case, there are three fixed feet on the top edge of the shell, which can be used to install on the air conditioner. In addition, as can be seen from Figure 4 of the case, the motor shell is also provided with a convex portion to be combined with the taking hole of the shell.

It can be known from the aforementioned known technology that when a fixed foot is provided on the drain pump, it is also necessary to consider the configuration relationship of the motor provided on the top of the casing. Therefore, the above-mentioned different aspects of implementation are available.

In the above-mentioned known technology, if the fixed foot is provided on the uppermost cover of the housing or on the top of the motor housing, the lower housing is additionally connected to the upper cover or motor by a connecting piece. The shell, therefore, the overall structure will be relatively loose, and it is easier to generate noise or vibration during operation due to the assembly gap. However, in the above-mentioned known technology, if the fixed feet are provided on the housing, there are problems with the matching of the protrusions and the extraction holes when the motor housing and the housing are assembled.

The present invention provides a drainage pump for an air conditioner with a mounting structure. The fixed foot is arranged on the main housing, and there is no problem of assembly between the motor housing and the housing, and the fixed foot does not interfere with the cover. The structure is different from the current known technology.

In order to solve the above-mentioned problems, the present invention proposes a drainage pump for an air conditioner with a mounting structure, which includes: a lower casing, a suction port formed at the bottom, and a drain port formed on the side; a main casing, which is cylindrical, is provided A drainage chamber is formed above the lower housing and between the lower housing, the water suction port and the drainage port are spatially connected to the drainage chamber, and the main housing has a motor chamber and an overflow Compartment; the drainage chamber is provided with a drainage blade, the motor chamber is to contain a motor, the The overflow chamber is located below the motor chamber, and has a perforation at the bottom that is spatially communicated with the drain chamber. The drain blade is connected to the drive shaft of the motor through the perforation; and a cover body is arranged on the The main casing covers the motor chamber; the top edge of the main casing extends upward and outward obliquely with a plurality of fixed feet with a predetermined length, each of the fixed feet has a plate-shaped body and is located on the plate-shaped body The two reinforcing ribs on both sides of the fixed foot are parallel to each other; the top of each fixed foot has a platform, and the platform has a fixing hole; the cover has a plurality of recesses recessed from the edge Each of the retreat spaces allows the fixed feet to pass through, so that the cover can cover the top edge of the main casing.

In this way, the fixing feet of the present invention are arranged on the main housing, not on the cover body, thus solving the problem of loose structure caused by the fixing feet being arranged on the cover body in the prior art. In addition, in the present invention, the fixed foot is arranged on the main housing, and the retreat space formed by the cover allows the cover to be covered on the main housing without interfering with the fixed foot. Therefore, there is no prior art. The mounting problem of the motor housing in the TM solves the problem of assembly between the motor housing and the housing in the prior art, and has an improved efficiency, and the structure is different from the current known technology.

10: Drain pump for air conditioner with installation structure

11: Lower shell

111: lug

12: suction port

14: Drain

18: Drainage chamber

19: Drain blade

21: main shell

211: fixed column

22: Motor room

23: Motor

24: overflow chamber

241: Overflow Hole

26: Piercing

28: fixed feet

281: Plate Body

282: Reinforcement Rib

284: platform

285: fixed hole

31: Lid

311: Lug

32: Concession Space

91: Air Conditioner

99: Bolt

Figure 1 is a combined perspective view of a preferred embodiment of the present invention.

Figure 2 is an exploded view of a preferred embodiment of the present invention.

Figure 3 is a partial exploded view of a preferred embodiment of the present invention.

Figure 4 is another exploded view of a preferred embodiment of the present invention, showing a bottom view.

Figure 5 is a top view of a preferred embodiment of the present invention.

Figure 6 is a cross-sectional view taken along line 6-6 in Figure 5.

Fig. 7 is a diagram of the use state of a preferred embodiment of the present invention.

In order to explain the technical features of the present invention in detail, the following preferred embodiments are described in conjunction with the drawings, in which: as shown in Figures 1 to 6, a preferred embodiment of the present invention provides a The drainage pump 10 for an air conditioner with a mounting structure is mainly composed of a lower housing 11, a main housing 21, and a cover 31. The lower housing 11 has a suction port 12 at the bottom and a side surface. Drain 14.

The main housing 21 is cylindrical, above the lower housing 11 and forming a drainage chamber 18 between the lower housing 11, the water suction port 12 and the drainage port 14 are spatially connected to the The drainage chamber 18 and the main housing 21 have a motor chamber 22 and an overflow chamber 24. The drainage chamber 18 is provided with a drainage vane 19, the motor compartment 22 contains a motor 23, the overflow compartment 24 is located below the motor compartment 22, and the main housing 21 is on the side of the overflow compartment 24 A plurality of overflow holes 241 are provided on the side for the water in the overflow chamber 24 to drain outward, and the bottom of the main housing 21 has a perforation 26 that is spatially connected to the drainage chamber 18, and the drainage blade 19 is connected by The through hole 26 is connected to the drive shaft of the motor 23.

The cover 31 covers the main housing 21 and covers the motor chamber 22.

Wherein, the top edge of the main housing 21 extends upward and outward obliquely with three fixed legs 28 having a predetermined length, each of the fixed legs 28 has a plate-shaped body portion 281 and two on both sides of the plate-shaped body portion 281 The reinforcing ribs 282, the two reinforcing ribs 282 of each of the fixed feet 28 are parallel to each other. In addition, each of the fixing feet 28 has a platform 284 on the top, and the platform 284 has a fixing hole 285 for allowing the bolt 99 to pass through and being locked to an air conditioner 91. In actual implementation, the three fixed feet 28 are connected to the main housing 21. The thickness of the two reinforcing ribs 282 of each of the fixed feet 28 is gradually increased along the bottom end of the surface of the plate-shaped body 281. The thickness here refers to the plate-shaped body 281 as the bottom. The thickness increased outward in the direction perpendicular to the surface of the plate-shaped body 281. The plate surface of the plate-shaped body 281 is lower than the surface of the two reinforcing ribs 282. For the state, refer to FIG. 6. In this embodiment, the number of the fixing feet 28 is three as an example. However, in actual implementation, it can be changed to two or four fixing feet as needed, and it is not limited to three.

The cover 31 has three retreat spaces 32 recessed from the edge inward, and each retreat space 32 is provided for the fixing feet 28 to pass through, so that the cover 31 can cover the top edge of the main casing 21.

In addition, the cover 31 extends outwardly with a plurality of lugs 311, the outer surface of the main housing 21 is correspondingly provided with a plurality of fixed posts 211 extending up and down, and the lower housing 11 also extends outwards with a plurality of lugs 111. The cover body 31 is fixed to the top of the plurality of fixing posts 211 by the plurality of bolts 99 passing through the plurality of lugs 311; the lower housing 11 is fixed to the top of the plurality of fixing posts 211 by the plurality of bolts 99 passing through the plurality of lugs 111 The bottom end of the plurality of fixed posts 211.

The structure of this embodiment has been explained above, and the state of use of this embodiment will be explained next.

Please refer to Fig. 7 in conjunction with Fig. 6. Before use, the present invention is installed on an air conditioner 91, which is mainly installed by passing a plurality of bolts 99 through the fixing holes 285 of the three fixing feet 28 It is locked on the air conditioner 91. When in use, since the three fixing feet 28 of the present invention extend upward and outward from the top edge of the main housing 21, the fixed three fixing feet 28 are equivalent to directly pulling the main housing 21. The resulting fixing effect is more stable than the structure in which the fixing feet are provided on the cover in the prior art. In addition, since the three fixed feet 28 have a predetermined length on the top of the main casing 21, the main casing 21 is suspended under the air conditioner 91. When the motor 23 is running, it drives the drain blade 19 to rotate. The generated vibration can be absorbed by the suspension relationship of the three fixed feet 28, thereby reducing vibration and noise.

In addition, since there is no connection relationship between the three fixing feet 28 and the cover body 31, but only the relationship between the cover body 31 and the main housing 21 is directly covered, therefore, the motor 23 only needs to be directly inserted into the main body The motor chamber 22 in the housing 21 is covered with the cover 31 to complete the assembly of the motor. There is no need to consider the assembly problem between the motor housing and the housing in the prior art, which also solves the aforementioned prior art. Technical issues.

In summary, the fixed foot 28 of the present invention is provided on the main housing 21 instead of the cover 31, so it solves the structure caused by the fixed foot 28 on the cover 31 in the prior art. Loose question. In addition, in the present invention, the fixed foot 28 is arranged on the main housing 21, and the retreat space 32 formed by the cover 31 allows the cover 31 to be covered on the main housing without interfering with the fixed foot 28. 21. Therefore, there is no problem with the installation of the motor housing in the prior art, which solves the problem of assembly between the motor housing and the housing in the prior art, and has an improved efficiency, and the structure is different from the current known technology.

10: Drain pump for air conditioner with installation structure

11: Lower shell

111: lug

12: suction port

14: Drain

18: Drainage chamber

19: Drain blade

21: main shell

211: fixed column

22: Motor room

23: Motor

24: overflow chamber

241: Overflow Hole

28: fixed feet

281: Plate Body

282: Reinforcement Rib

284: platform

285: fixed hole

31: Lid

311: Lug

32: Concession Space

99: Bolt

Claims (4)

A drainage pump for an air conditioner with an installation structure, comprising: a lower shell, a suction port is formed at the bottom, and a drain port is formed on the side; a main shell, which is cylindrical, is arranged above the lower shell, and A drainage chamber is formed between the lower casing, the suction port and the drainage port are spatially connected to the drainage chamber, and the main casing has a motor chamber and an overflow chamber; the drainage chamber is provided with a A drain blade, in which a motor is accommodated in the motor compartment, the overflow compartment is located below the motor compartment, and the bottom has a perforation to communicate with the drain chamber spatially, and the drain blade is connected to the drain chamber through the perforation The drive shaft of the motor is connected; and a cover is arranged on the main housing to cover the motor chamber; characterized in that: the top edge of the main housing extends upward and outward obliquely with a plurality of fixed lengths Feet, each of the fixed feet has a plate-shaped body and two reinforcing ribs located on both sides of the plate-shaped body, the two reinforcing ribs of each of the fixed feet are parallel to each other; each fixed foot has a platform at the top, and the platform has A fixing hole; the cover has a plurality of retreat spaces recessed inward from the edge, each retreat space is for each of the fixed feet to pass, so that the cover can cover the top edge of the main casing. According to the first item of the scope of patent application, the drainage pump for an air conditioner with an installation structure, wherein: each of the fixed feet is integrally formed with the main casing. According to the first item of the scope of patent application, the drainage pump for an air conditioner with an installation structure, wherein: the two reinforcing ribs of each of the fixed feet are gradually increasing in thickness along the bottom end of the surface of the plate-shaped body, and the plate-shaped body The surface of the part is lower than the surface of the two reinforcing ribs. According to the first item of the scope of patent application, the drainage pump for an air conditioner with an installation structure, wherein: the cover system extends outwards with a plurality of lugs, the outer surface of the main housing is provided with a plurality of fixed posts extending up and down, and the cover system The plurality of bolts pass through the plurality of lugs and are fixed to the top of the plurality of fixing posts; the lower shell system extends outwards with a plurality of lugs, and the lower shell system is fixed to the plurality of fixation by the plurality of bolts passing through the plurality of lugs The bottom end of the column.

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