TW202323739A - Conveniently assembled waste water drainage pump for air conditioning apparatus including a lower housing formed with a water suction port at the bottom and a drainage outlet at the side - Google Patents

Abstract

A conveniently assembled waste water drainage pump for an air conditioning apparatus includes a lower housing formed with a water suction port at the bottom and a drainage port at the side; a main housing having a cylindrical shape, disposed above the lower housing, and forming a drainage chamber with the lower housing, wherein both of the water suction port and the drainage port are spatially communicated with the drainage chamber, a motor is accommodated in the main housing, a drainage blade is disposed inside the drainage chamber, and the drainage blade is connected with a driving shaft of the motor; and an upper housing covering the main housing. A part where the lower housing is connected with the main housing is cylindrical. An outer peripheral surface of the main housing has a plurality of embedded parts, an outer peripheral surface of the lower housing has a plurality of pairs of inserts, and the plurality of embedded parts are detachably embedded with the plurality of pairs of inserts.

Description

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

The present invention is related to the wastewater drainage pump of the air conditioner, in particular to a wastewater drainage pump for the air conditioner which is convenient to assemble.

my country's Invention No. I701389 Patent (Japanese Patent No. 4874765 Patent) discloses a drain pump for an air conditioner. Its shell is divided into a cover, a main shell and a lower shell. The fixing method is that the cover system extends a plurality of lugs outward, and the outer surface of the main shell is provided with a plurality of fixing columns extending up and down, and the cover system is fixed on the top of the plurality of fixing columns through a plurality of bolts passing through the plurality of lugs; The casing system extends a plurality of lugs, and the lower casing system is fixed on the bottom ends of the plurality of fixing posts through a plurality of bolts passing through the plurality of lugs. After this kind of fixing square is assembled, there may be a problem of uneven strength after the bolts are locked, and when using a screwdriver to rotate the bolts, the bolt head may be broken due to too tight or rusted. In addition, since the lower casing is the place where water flows in and out, after a period of operation, there will be mucous membranes and dust sticking, which will easily cause unsmooth drainage, so it needs to be cleaned and repaired. When assembling or disassembling the lower casing, it is necessary to Four bolts need to be locked or loosened, which is inconvenient in operation.

China's Invention No. I711765 Patent (Japanese Patent No. 4874765), discloses a drainage pump for an air-conditioning device. The fixing method between the lower casing and the main casing is actually through the combination of multiple hooks and multiple blocks. Combination, the lower shell system extends outwards and upwards with multiple hooks, the outer surface of the main shell is provided with multiple blocks, and the lower shell is fixed to the main shell by hooking the multiple blocks with multiple hooks, and the above-mentioned known technology Among them, if it is fixed by the combination of multiple hooks and multiple hooks, and the multiple hooks and multiple hooks are distributed on the four sides of the main shell and the lower shell, so if you want to disassemble the lower shell separately, you must disassemble it at the same time There are multiple hooks, which will cause difficulties in disassembly, so maintenance personnel usually remove the entire waste water drainage pump from the top fixing feet, and then deal with the problem of separation of the lower shell from the main shell, which also leads to maintenance problems. difficulty.

It can be known from the above-mentioned prior art that the current problem encountered by the waste water drainage pump used in the air conditioner is that there is currently no effective technology that can provide a convenient assembly for the assembly relationship between the main shell and the lower shell of the waste water drain pump used in the air conditioner. The structure is not convenient for maintenance.

It can be seen from the above-mentioned prior art that the current problem encountered by the waste water drainage pump for the air conditioner is that there is currently no effective technology that can provide a convenient assembly for the assembly relationship between the main shell and the lower shell of the waste water drain pump for the air conditioner. The structure is not convenient for maintenance.

The main purpose of the present invention is to provide a waste water drainage pump for air-conditioning devices that is easy to assemble. The lower casing and the main casing can be embedded or disassembled only by rotating and inserting, and the assembly and disassembly are extremely fast. Easy, and also conducive to maintenance and repair.

In order to achieve the above object, the present invention proposes a conveniently assembled wastewater drainage pump for air-conditioning devices, which includes: a lower casing, a water suction port formed at the bottom, and a discharge port formed at the side; a main casing, which is round Cylindrical, set above the lower casing, and form a drainage chamber with the lower casing, the water suction port and the discharge outlet are both connected to the drainage chamber in space, and the main casing contains a Motor, the drainage chamber is provided with a drainage vane, the drainage vane is connected with the drive shaft of the motor; and an upper casing, covered with the main casing; the lower casing is connected to the main casing It is cylindrical; the outer peripheral surface of the main shell has a plurality of inserts, and the outer peripheral surface of the lower shell has a plurality of pairs of inserts, and the plurality of inserts are detachably embedded with the plurality of inserts ; Wherein, the embedding relationship between the plurality of inserts and the plurality of pairs of inserts is embedded by the relative rotation of the main shell and the lower shell; wherein, each of the inserts and each pair of inserts One of the two pieces is provided with a slope and an abutting portion, and the other is provided with a protrusion, and when each of the embedded pieces is embedded in each of the pair of embedded pieces, the plurality of embedded pieces and the pair of embedded pieces The plurality of pairs of inserts is completed by the plurality of protrusions first abutting on the plurality of slopes and sliding along the plurality of slopes to the plurality of abutting parts to complete the embedding. The plurality of protrusions abutting against the plurality of abutting parts provides a forced The action force that the lower shell is close to the main shell.

Thereby, the present invention can make the lower case and the main case be engaged or disassembled only in the manner of rotational engagement, which is very easy to assemble and disassemble, and is also beneficial to maintenance.

In order to describe the technical characteristics of the present invention in detail, the following preferred embodiments are given below and described in conjunction with the drawings, wherein:

As shown in Figures 1 to 8, a conveniently assembled waste water drainage pump 10 for air-conditioning devices proposed by the first preferred embodiment of the present invention mainly consists of a lower casing 11, a main casing 21 and an upper casing Body 31 consists of:

The lower casing 11 has a water suction port 12 formed at the bottom and a water discharge port 13 formed at the side.

The main casing 21 is cylindrical, and is arranged above the lower casing 11, and forms a drainage chamber 15 with the lower casing 11, and the water suction port 12 and the drainage port 13 are connected to each other in space. The drainage chamber 15, and the main casing 21 accommodates a motor (not shown), a drainage blade 16 is arranged in the drainage chamber 15, and the drainage blade 16 is connected with the drive shaft of the motor, wherein , the motor and the drive shaft are very well-known components, and the state that the motor is arranged in the main housing 21 is not the technical focus of this case, so it is not allowed to show it in the diagram. In addition, the part where the lower case 11 and the main case 21 meet is cylindrical.

The upper casing 31 is disposed on the main casing 21 .

Wherein, the outer peripheral surface of the main housing 21 has a plurality of inserts 22, and the outer peripheral surface of the lower housing 11 has a plurality of pairs of inserts 14, and the plurality of inserts 22 are detachably connected with the plurality of inserts 14. In addition, the embedding relationship between the plurality of embedded parts 22 and the plurality of pairs of inserts 14 is embedded by the relative rotation of the main housing 21 and the lower housing 11, and the lower housing 11 An O-ring 18 is arranged between the main casing 21, and the O-ring 18 can be slightly deformed under pressure; in this first embodiment, each pair of inserts 14 has a slope 143 and a top The abutting portion 144 , and each of the embedded components 22 has a protrusion 222 . During the process of each of the embedding pieces 22 being embedded in each of the pair of inserts 14, the plurality of embedding pieces 22 and the plurality of pairs of inserts 14 first contact the plurality of slopes 143 through the plurality of projections 222 and move along The plurality of slopes slide to the plurality of abutting parts 144 to complete the embedding, and the plurality of protrusions 222 abut against the plurality of abutting parts 144 to provide a force that forces 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-proof effect.

Each of the pair of inserts 14 includes an elastic arm 141 and a bottom 142. The inclined surface 143 is arranged on the elastic arm 141 and faces the bottom 142, and is separated from the bottom 142 by a predetermined distance. Between the bottom 142 and the inclined surface 143 A slot 146 is formed, the abutting portion 144 is located at the bottom 142 of the slot, and the opening of the slot 146 is substantially facing 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. And a convex wall 145 is formed between the slope 143 and the abutting portion 144, the distance between the convex wall 145 and the bottom 142 is smaller than the distance between the abutting portion 144 and the bottom 142, and the width of each of the protrusions 222 is greater than the distance between the convex wall 145 and the bottom 142 .

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

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

As shown in Figures 3 and 4, when the lower housing 11 is to be assembled on the main housing 21, the top edge of the lower housing 11 is first pressed against the bottom edge of the main housing 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 FIGS. 5 and 6 , the lower housing 11 is rotated so that each pair of inserts 14 abuts against each of the protrusions 222 with the slope 143 .

As shown in FIGS. 7 and 8 , rotate the lower housing again so that each of the pair of inserts 14 moves toward each of the protrusions 222 , and each of the protrusions 222 will be pressed against each of the pair of inserts 14 . Each of the elastic arms 141 is pushed up by an inclined surface, thereby expanding the distance between each of the protrusions 145 and each of the bottoms 142, and finally expanding to allow each of the protrusions 222 to pass through, and each of the protrusions 222 will enter into each of the protrusions 222. The groove bottom of the embedding groove 146 abuts against each of the abutting portions 144 to provide a force for forcing the lower casing 11 and the main casing 21 to approach. The assembly is now complete.

As shown in Figures 5 and 6, if the lower housing 11 is to be removed, the lower housing 11 is rotated in reverse relative to the main housing 21 to force the elastic arms 141 of the pair of inserts 14 upward. After deformation, the projections 222 of each of the embedded parts 22 can be separated from the slots 146 of the pair of embedded parts 14, and return to the situation in Fig. 3 and Fig. 4. , so the lower case 11 can be freely removed from the main case 21 .

It can be seen from the above that the present invention can be assembled or disassembled only by simply rotating the lower casing 11, which indeed allows the assembler to assemble more conveniently, which is more convenient and faster than the previous technology, and can solve the aforementioned conventional problems. problems encountered by technology. In addition, since the present invention can be easily installed or disassembled, maintenance and repair are also very easy and convenient.

As shown in Figures 9 and 10, the present invention proposes a second embodiment of a waste water drainage pump 10' that is conveniently assembled and used in an air-conditioning device. It is mainly similar to the first embodiment disclosed above, except that:

In this second embodiment, each of the pair of inserts 14' does not have the convex wall of the first embodiment, but each of the pair of inserts 14' is directly connected to its abutting portion 144' by its slope 143'. During the process of each of the inserting pieces 22' being engaged with each of the pair of inserting pieces 14', the plurality of inserting pieces 22' and the plurality of pairs of inserting pieces 14' are pressed against each of the pair of inserting pieces 14' by the protrusions 222'. The inclined surface 143' is forced to abut against the plurality of abutting parts 144' to abut against, and then to complete the embedding. At this time, due to the abutting relationship, each of the protrusions 222' will appear to be closely matched with each of the abutting parts 144' The fixed effect.

This second embodiment does not have the convex wall in the first embodiment, but can still achieve the effect that can be achieved, and can also insert the plurality of inserting parts 22' by rotating the lower casing 11'. Connecting to the plurality of pairs of inserts 14' is simpler and easier to operate than the first embodiment.

The rest of the technical features and achieved effects of the second embodiment are the same as those of the first embodiment disclosed above, and will not be repeated here.

One point to be added is that in the previous two embodiments of this case, the plurality of inserts 22 are provided on the main housing 21 and the plurality of inserts 14 are provided on the lower housing 11 as an example for illustration. However, as shown in FIG. 11 , in fact, the plurality of inserts 22 and the plurality of pairs of inserts 14 can also be reversed, so that the lower housing 11 has the plurality of inserts 22 and the main housing 21 has Such an arrangement relationship 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 rotating manner, and the arrangement depends on actual needs.

10: It is convenient to assemble the waste water drainage pump used in the air conditioner 11: Lower shell 12: Suction port 13: Outlet 14: pair insert 141: elastic arm 142: bottom 143: Bevel 144: Top Arrival 145: convex wall 146: slotting 15: Drainage chamber 16: Drainage blades 18: O-ring 21: Main shell 22: Embedded parts 222: Bump 224: Tilt block 31: Upper shell 10': Easy to assemble and support the waste water drainage pump for air conditioning units 11': Lower shell 14': pair insert 141': elastic arm 143': Bevel 144': Top Arrival 22': Embedded parts 222': bump

Fig. 1 is an assembled 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 an assembled view of the first preferred embodiment of the present invention, showing the state that the inserting part is separated from the counter-inserting part. FIG. 4 is a partially enlarged view of FIG. 3 . Fig. 5 is an assembled view of the first preferred embodiment of the present invention, showing the state where the embedded clamping part is in contact with the counter-embedding part. FIG. 6 is a partially enlarged view of FIG. 5 . Fig. 7 is an assembled view of the first preferred embodiment of the present invention, showing the state of the embedded engaging part and the mating embedded part. FIG. 8 is a partially enlarged view of FIG. 7 . Fig. 9 is an assembly diagram of the second preferred embodiment of the present invention, showing the state that the inserting part is separated from the counter-inserting part. Fig. 10 is an assembled view of the second preferred embodiment of the present invention, showing the state of the embedded engaging part and the mating embedded part. Fig. 11 is an exploded view of another embodiment of the present invention.

10: Convenient assembly of wastewater drainage pumps for air conditioning units

11: Lower shell

12: Suction port

13: Outlet

14: pair insert

15: Drainage chamber

16: Drainage blades

18: O-ring

21: Main housing

22: Embedded parts

31: Upper shell

Claims (9)

A conveniently assembled waste water drainage pump for an air conditioner, comprising: When the shell is lowered, a water suction port is formed at the bottom, and a water discharge port is formed at the side; A main casing, in a cylindrical shape, is arranged above the lower casing and forms a drainage chamber with the lower casing. Both the water suction port and the drainage port are spatially connected to the drainage chamber, and the A motor is accommodated in the main casing, and a drainage vane is arranged in the drainage chamber, and the drainage vane is connected with the drive shaft of the motor; and an upper casing, covering the main casing; It is characterized by: The part where the lower shell connects with the main shell is cylindrical; The outer peripheral surface of the main housing has a plurality of inserts, the outer peripheral surface of the lower housing has a plurality of pairs of inserts, and the plurality of inserts are detachably engaged with the plurality of pairs of inserts; Wherein, the embedding relationship between the plurality of inserting pieces and the plurality of pairs of inserting pieces is engaged by the relative rotation of the main housing and the lower housing; Wherein, one of each of the embedded parts and each of the pair of embedded parts has a slope and a top part, and the other has a protrusion, and each of the embedded parts is embedded in each of the pair of embedded parts. In the process of fitting, the plurality of inserts and the plurality of pairs of inserts are completed by the plurality of protrusions first abutting against the plurality of slopes and sliding along the plurality of slopes to the plurality of abutting parts to complete the embedding. The block abuts against the plurality of abutting parts to provide an active force forcing the lower casing and the main casing to approach. According to the conveniently assembled waste water drainage pump for air-conditioning devices described in claim 1, wherein: each of the embedded parts and each of the pair of embedded parts has the inclined surface, a predetermined distance is provided at the relative predetermined distance from the inclined surface. The bottom, an embedding groove is formed between the bottom and the slope, and the abutting portion is located at the bottom of the embedding groove. According to the conveniently assembled waste water drainage pump for air-conditioning devices described in claim 2, wherein: each of the inserts and each of the pair of inserts has the insert groove, the opening of the insert groove is substantially facing the The tangential direction of the main housing or the lower housing. According to the conveniently assembled waste water drainage pump for air-conditioning devices described in claim 2, wherein: each of the embedded parts and each of the pair of embedded parts has the inclined surface, which is tied between the inclined surface and the abutting part A convex wall is formed between the convex wall and the bottom. According to the conveniently assembled waste water drainage pump for air-conditioning devices described in claim 4, wherein: each of the embedded parts and each of the pair of embedded parts has the inclined surface, which has an elastic arm, and the inclined surface is set 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. According to the conveniently assembled waste water drainage pump for air-conditioning devices described in claim 2, wherein: each of the inserts and each of the pair of inserts having the slope has an elastic arm, and the slope is set 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. According to the conveniently assembled waste water drainage pump for air conditioners described in claim 1, an O-ring is arranged between the lower casing and the main casing. According to claim 2, the conveniently assembled waste water drainage pump for air-conditioning devices, wherein: each of the embedded parts and each of the pair of embedded parts has the protrusion, and the protrusion is abutted against the An inclined block extends in the opposite direction of the inclined plane. According to the conveniently assembled wastewater drainage pump for air-conditioning devices described in claim 1, each of the inserts has the protrusion, and each of the pair of inserts has the slope and the abutting portion.

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