TWI778880B - Easy-to-assemble waste water drainage pump for air conditioning units - Google Patents

Abstract

The utility model relates to a waste water drainage pump for an air conditioner which is easy to assemble, comprising: a lower casing, a water suction port is formed at the bottom, and a drainage outlet is formed at the side; a main casing is cylindrical and is arranged above the lower casing, And a drainage chamber is formed between the lower casing, the suction port and the drainage port are connected to the drainage chamber in space, and a motor is accommodated in the main casing, a drainage blade is arranged in the drainage chamber, and the drainage blade is arranged in the drainage chamber. The drain blade is connected with the drive shaft of the motor; and an upper casing is covered on the main casing; the part where the lower casing is connected to the main casing is cylindrical; the main casing is The outer peripheral surface has a plurality of inserts, the outer peripheral surface of the lower casing has a plurality of pairs of inserts, and the plurality of inserts are detachably embedded with the plurality of pairs of inserts.

Description

Easy-to-assemble waste water drainage pump for air conditioning units

The invention relates to a waste water drainage pump of an air conditioner, in particular to a waste water drainage pump for an air conditioner which can be easily assembled.

Chinese Invention Patent No. I701389 (Japanese Patent No. 6738073) discloses a drainage pump for air conditioners, the outer casing of which is divided into a cover body, a main casing and a lower casing. The fixing method is that the cover system extends outward with a plurality of lugs, the outer surface of the main shell is provided with a plurality of fixed columns extending up and down, and the cover system is fixed on the top of the plurality of fixed columns by a plurality of bolts passing through the plurality of lugs; The shell system extends the plurality of lugs, and the lower shell system is fixed to the bottom end of the plurality of fixing columns by the plurality of bolts passing through the plurality of lugs. After this kind of fixing method is assembled, there may be the problem of uneven strength of the bolt after locking, and when using a screwdriver to rotate the bolt, it may cause the bolt head to collapse due to the relationship between too tight or rusted. In addition, since the lower casing is the place where the water flows in and out, after a period of operation, the mucous membrane will be covered and the dust will stick, which is likely to cause poor drainage, so cleaning and maintenance are required. When assembling or disassembling the lower casing, it is necessary to Four bolts need to be tightened or loosened, which is inconvenient to operate.

The Chinese invention patent No. I711765 (Japanese Patent No. 6738072) discloses a drainage pump of an air conditioner. The fixing method between the lower casing and the main casing is actually through a plurality of hooks and a plurality of blocks. Combined, the lower shell system extends outward and upward with a plurality of hooks, the outer surface of the main shell is provided with a plurality of locking blocks, and the lower shell is fixed to the main shell by hooking the plurality of hooks on the plurality of locking blocks, and the above has In the known technology, if it is fixed by a combination of plural hooks and plural hooks, and the plural hooks and plural hooks are distributed on the four sides of the main casing and the lower casing, it is necessary to disassemble the lower casing separately. Simultaneous removal of multiple hooks will cause difficulty in removal. Therefore, maintenance personnel usually remove the entire waste water drainage pump from the fixing feet at the top, and then deal with the problem of separation of the lower casing and the main casing, which also leads to Difficulty in maintenance.

As can be seen from the above-mentioned prior art, the problem encountered by the waste water drainage pump used in air conditioners is that there is currently no effective technology that can provide a convenient assembly for the assembly relationship between the main casing and the lower casing of the waste water drainage pump of the air conditioner. The structure and maintenance are not convenient.

As can be seen from the above-mentioned prior art, the problem encountered by the waste water drainage pump used in air conditioners is that there is currently no effective technology that can provide a convenient assembly for the assembly relationship between the main casing and the lower casing of the waste water drainage pump of the air conditioner. The structure and maintenance are not convenient.

The main purpose of the present invention is to provide a waste water drainage pump for air conditioners that is easy to assemble, and the lower casing and the main casing can be embedded or disassembled only in the way of rotary embedment, and the assembly and disassembly are extremely easy. Easy and convenient for maintenance.

In order to achieve the above purpose, the present invention proposes a waste water drainage pump for an air conditioner that is easy to assemble, comprising: a lower casing, a water suction port formed at the bottom and a drainage outlet formed on the side; a main casing, in the shape of a circle It has a cylindrical shape, is arranged above the lower casing, and forms a drainage chamber with the lower casing. A motor, a drainage blade is arranged in the drainage chamber, and the drainage blade is connected with the driving shaft of the motor; and an upper casing is covered on the main casing; the part where the lower casing is connected with the main casing presented cylindrical; the outer peripheral surface of the main casing has a plurality of inserts, the outer peripheral surface of the lower casing has a plurality of pairs of inserts, and the plurality of inserts are detachably embedded with the plurality of pairs of inserts; wherein , the embedded relationship between the plurality of inserts and the plurality of pairs of inserts is through the relative rotation of the main casing and the lower casing to be embedded; wherein, each insert and each pair of inserts are two One of them is provided with a slope and a top contact portion, and the other is provided with a protruding block. During the process of embedding each of the inserts in each of the pair of inserts, the plurality of inserts and the plurality of pairs The insert is completed by the plurality of bumps first abutting on the plurality of inclined surfaces and sliding to the plurality of abutting portions along the plurality of inclined surfaces, and the abutting of the plurality of bumps against the plurality of abutting portions provides forcing the lower The force with which the casing is brought close to the main casing.

In this way, the present invention can make the lower casing and the main casing to be embedded or disassembled only in the way of rotating and embedment, which is extremely easy to assemble and disassemble, and is also beneficial to maintenance.

10: Wastewater drainage pump for air conditioners for easy assembly

11: Lower shell

12: suction port

13: drain

14: Pair inserts

141: Elastic Arm

142: Bottom

143: Bevel

144: Abutment

145: Takamaki

146: Groove

15: Drain Room

16: Drain Vane

18: O-ring

21: Main shell

22: Insert card

222: bump

224: Tilt block

31: Upper shell

10': Wastewater drainage pump for air conditioning units for easy assembly

11': lower shell

14': pair of inserts

141’: Elastic Arm

143': Bevel

144': top end

22': Insert Card

222': bump

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

FIG. 2 is an exploded view of the first preferred embodiment of the present invention.

FIG. 3 is a combined view of the first preferred embodiment of the present invention, showing the state in which the inserting element and the opposite inserting element are separated.

FIG. 4 is a partial enlarged view of FIG. 3 .

FIG. 5 is a combined view of the first preferred embodiment of the present invention, showing the state in which the insert card is in contact with the counter insert.

FIG. 6 is a partial enlarged view of FIG. 5 .

FIG. 7 is a combined view of the first preferred embodiment of the present invention, showing the state in which the insert piece and the counter insert piece are embedded.

FIG. 8 is a partial enlarged view of FIG. 7 .

FIG. 9 is a combined view of the second preferred embodiment of the present invention, showing the state in which the inserting element is separated from the opposite inserting element.

FIG. 10 is a combined view of the second preferred embodiment of the present invention, showing the state in which the insert piece and the counter insert piece are embedded.

FIG. 11 is an exploded view of another embodiment of the present invention.

In order to describe the technical features of the present invention in detail, the following preferred embodiments are given and described in conjunction with the drawings as follows, wherein: as shown in Figures 1 to 8, a convenient method proposed by the first preferred embodiment of the present invention The assembled waste water drainage pump 10 for an air conditioner is mainly composed of a lower casing 11, a main casing 21 and an upper casing 31, wherein: the lower casing 11 has a water suction port 12 formed at the bottom and a water suction port 12 formed at the side. A water outlet 13.

The main casing 21 is cylindrical, is disposed above the lower casing 11, and forms a drainage chamber 15 with the lower casing 11. The water suction port 12 and the drainage port 13 are spatially connected to The drainage chamber 15 and the main casing 21 accommodate a motor (not shown in the figure), and a drainage blade 16 is arranged in the drainage chamber 15. The drainage blade 16 is connected with the drive shaft of the motor, wherein , the motor and the drive shaft are well-known components, and the state of the motor disposed in the main casing 21 is not the technical focus of this case, so it is not allowed to show them in drawings. In addition, the part where the lower case 11 and the main case 21 are in contact with each other has a cylindrical shape.

The upper casing 31 covers the main casing 21 .

Wherein, the outer peripheral surface of the main casing 21 has a plurality of inserts 22 , the outer peripheral surface of the lower casing 11 has a plurality of pairs of inserts 14 , and the plurality of inserts 22 are detachably connected with the plurality of pairs of inserts 14 In addition, the embedded relationship between the plurality of inserts 22 and the plurality of pairs of inserts 14 is through the main casing 21 and the lower casing 11 are relatively rotated and embedded, and an O-ring 18 is fastened between the lower casing 11 and the main casing 21, and the O-ring 18 can be compressed and deformed slightly; In one embodiment, each of the pair of inserts 14 is provided with an inclined surface 143 and an abutting portion 144 , and each of the inserts 22 is provided with a protrusion 222 . During the process that each of the inserting elements 22 is embedded with each of the pair of inserts 14 , the plurality of inserting elements 22 and the plurality of pairs of inserts 14 are first abutted on the plurality of inclined surfaces 143 by the plurality of protrusions 222 and run along the plurality of slopes 143 . The plurality of inclined surfaces slide to the plurality of abutting portions 144 to complete the engagement. The plurality of protruding blocks 222 abutting against the plurality of abutting portions 144 provide a force forcing the lower casing 11 and the main casing 21 to approach , this force will press the O-ring 18 to deform slightly to form a better leak-stop effect.

Each of the pair of inserts 14 includes an elastic arm 141 and a bottom 142 , the inclined surface 143 is disposed on the elastic arm 141 and faces the bottom 142 , and is separated from the bottom 142 by a predetermined distance, and between the bottom 142 and the inclined surface 143 An inserting groove 146 is formed, the abutting portion 144 is located on the wall of the inserting groove 146 , and the opening of the inserting groove 146 is substantially oriented toward the tangential direction of the main casing 21 or the lower casing 11 . One end of the elastic arm 141 is connected to the bottom 142 and the other end is a free end. A convex wall 145 is formed between the inclined surface 143 and the abutting portion 144 . The distance between the convex wall 145 and the bottom portion 142 is smaller than the distance between the top abutting portion 144 and the bottom portion 142 , and the height of each of the convex blocks 222 is The distance between the protruding wall 145 and the bottom portion 142 is greater than the distance between the protruding wall 145 and the bottom portion 142 , so that when each of the protruding blocks 222 passes between the protruding wall 145 and the bottom portion 142 , the protruding wall 145 and the bottom portion 142 are pressed against the protruding wall 145 and the bottom portion 142 . The elastic arm 141 is raised against the wall 145.

In addition, each of the protruding blocks 222 extends an inclined block 224 in a direction opposite to the inclined surface 143 , and the inclination degree of the inclined block 224 of each of the protruding blocks 222 corresponds to the inclined surface 143 .

The structure of the first embodiment has been described above. Next, the use state of the first embodiment will be described.

As shown in FIG. 3 and FIG. 4 , when the lower case 11 is to be assembled to the main case 21 , the top edge of the lower case 11 is first abutted against the bottom edge of the main case 21 , and a With the O-ring 18, at this time, the plurality of inserts 22 and the plurality of pairs of inserts 14 are separated from each other without contact.

As shown in FIG. 5 and FIG. 6 , the lower case 11 is rotated to make the pair of inserts 14 abut against the protruding blocks 222 with the inclined surfaces 143 .

As shown in FIG. 7 and FIG. 8 , the lower case is rotated to make each pair of inserts 14 move further toward each of the protruding blocks 222 , and each of the protruding blocks 222 will press against the The elastic arms 141 are raised by the inclined plane, so that the distance between the protruding walls 145 and the bottoms 142 is enlarged, and finally it is enlarged to allow the protruding blocks 222 to pass through, and the protruding blocks 222 will enter each The bottom of the inserting groove 146 abuts against each of the abutting portions 144 , thereby providing a force for forcing the lower casing 11 and the main casing 21 to approach. The assembly is now complete.

As shown in FIG. 5 and FIG. 6 , if the lower case 11 is to be removed, the lower case 11 is rotated in the opposite direction relative to the main case 21 to force the elastic arms 141 of each pair of inserts 14 upward. After the deformation, the protrusions 222 of the inserts 22 can be separated from the insert grooves 146 of the pair of inserts 14, and the state of FIG. 3 and FIG. 4 is returned. At this time, there is no insert state , so the lower casing 11 can be freely removed from the main casing 21 .

As can be seen from the above, the present invention can be assembled or disassembled only by simply rotating the lower casing 11, which can indeed make the assembly more convenient for the assembler, which is more convenient and faster than the prior art, and can solve the above-mentioned conventional problems with technology. In addition, since the present invention can be easily installed or disassembled, maintenance is also extremely easy and convenient.

As shown in Figure 9 and Figure 10, the present invention proposes a waste water drainage pump 10' for an air conditioner that is easy to assemble according to a second embodiment, which is basically the same as the first embodiment disclosed above, except that: In the second embodiment, each pair of inserts 14' does not have the convex wall of the first embodiment, but each pair of inserts 14' is directly connected to its abutting portion 144' with its inclined surface 143'. During the process that each of the inserting elements 22' is embedded with each of the pair of inserts 14', the plurality of inserting elements 22' and the plurality of pairs of inserts 14' abut against each of the pair of inserts 14' through each of the protruding blocks 222'. The inclined surface 143 ′ is forced to abut against the abutting portions 144 ′, so as to complete the engagement. At this time, due to the abutting relationship, each of the protruding blocks 222 ′ is tightly fitted to each of the abutting portions 144 ′. fixed effect.

The second embodiment does not have the protruding wall in the first embodiment, but still achieves the effect that can be achieved, that is, the plurality of inserting members 22' can also be inserted by rotating the lower casing 11'. Connected to the plurality of pairs of inserts 14', the operation is simpler and easier than the first embodiment.

The remaining technical features and the effects that can be achieved in the second embodiment are generally the same as those in the first embodiment disclosed above, and will not be repeated here.

It should be added that in the previous two embodiments, the plurality of inserts 22 are provided on the main casing 21 and the plurality of pairs of inserts 14 are provided on the lower casing 11 as examples for illustration. However, as shown in FIG. 11 , in fact, the plurality of inserts 22 and the plurality of pairs of inserts 14 can be reversely arranged, so that the lower case 11 has the plurality of inserts 22 and the main case 21 has the The arrangement of the plurality of pairs of inserts 14 can also achieve the effect of assembling the lower casing 11 to the main casing 21 in a rotational manner, and the arrangement depends on actual needs.

10: Wastewater drainage pump for air conditioners for easy assembly

11: Lower shell

12: suction port

13: drain

14: Pair inserts

15: Drain Room

16: Drain Vane

18: O-ring

21: Main shell

22: Insert card

31: Upper shell

Claims (9)

The utility model relates to a waste water drainage pump for an air conditioner which is easy to assemble, comprising: a lower casing, a water suction port is formed at the bottom, and a drainage outlet is formed at the side; a main casing is cylindrical and is arranged above the lower casing, And a drainage chamber is formed between the lower casing, the suction port and the drainage port are connected to the drainage chamber in space, and a motor is accommodated in the main casing, a drainage blade is arranged in the drainage chamber, and the drainage blade is arranged in the drainage chamber. The drainage blade is connected with the drive shaft of the motor; and an upper casing is covered on the main casing; it is characterized in that: the part where the lower casing is connected to the main casing is cylindrical; the The outer peripheral surface of the main casing has a plurality of inserts, the outer peripheral surface of the lower casing has a plurality of pairs of inserts, and the plurality of inserts are detachably embedded with the plurality of pairs of inserts; wherein, the plurality of inserts The engaging relationship between the inserts and the plurality of pairs of inserts is through the relative rotation of the main casing and the lower casing for inserting; wherein, each insert and each pair of inserts are tied to one It is provided with an inclined surface and a top contact part, and the other one is provided with a protruding block. During the process that each of the inserts is embedded in each of the pair of inserts, the plurality of inserts and the plurality of pairs of inserts are connected by The plurality of bumps first abut the plurality of inclined surfaces and slide to the plurality of abutting portions along the plurality of inclined surfaces to complete the embedding. The plurality of bumps abutting against the plurality of abutting portions provides forcing the lower casing and the main body The force of the close proximity of the shells. According to the easily assembled waste water drainage pump for an air conditioner as described in claim 1, wherein each of the inserts and each of the pair of inserts has the inclined surface, and a predetermined distance from the inclined surface is provided relative to the inclined surface. A bottom, a socket is formed between the bottom and the inclined surface, and the abutting portion is located on the wall of the socket. The easily assembled waste water drainage pump for an air conditioner according to claim 2, wherein each of the inserts and each of the pair of inserts has the insert groove, and the opening of the insert groove is substantially oriented toward the insert. The tangential direction of the main casing or the lower casing. The waste water drainage pump for an air conditioner that is easily assembled according to claim 2, wherein: each of the inserts and each of the pair of inserts has the inclined surface, which is tied between the inclined surface and the top abutting portion A convex wall is formed therebetween, the distance between the convex wall and the bottom is smaller than the distance between the top contact portion and the bottom, and the height of each of the convex blocks is greater than the distance between the convex wall and the bottom. The easily assembled waste water drainage pump for an air conditioner according to claim 4, wherein: each of the inserts and each of the pair of inserts with the inclined surface has an elastic arm, and the inclined surface is provided On the elastic arm facing the bottom, one end of the elastic arm is connected to the bottom, and the other end is a free end. The easily assembled waste water drainage pump for an air conditioner according to claim 2, wherein: each of the inserts and each of the pair of inserts with the inclined surface has an elastic arm, and the inclined surface is provided On the elastic arm facing the bottom, one end of the elastic arm is connected to the bottom, and the other end is a free end. The easily assembled waste water drainage pump for an air conditioner according to claim 1, wherein: an O-ring is arranged between the lower casing and the main casing. The easily assembled waste water drainage pump for an air conditioner according to claim 2, wherein each of the inserts and each of the pair of inserts has the protruding block, and the protruding block abuts on the An inclined block extends in the opposite direction of the inclined plane. The easily assembled waste water drainage pump for an air conditioner according to claim 1, wherein each of the inserts has the protruding block, and each of the pair of inserts has the inclined surface and the abutting portion.

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