CN216044624U

CN216044624U - Volute applied to double-waterway open type dishwasher pump

Info

Publication number: CN216044624U
Application number: CN202121101380.XU
Authority: CN
Inventors: 王永勇; 陈强飞; 周建
Original assignee: Ningbo Jinling Kitchen Equipment Co ltd
Current assignee: Ningbo Jinling Kitchen Equipment Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-03-15
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a volute applied to a double-waterway open type dishwasher pump, which comprises a volute internally provided with a chamber, wherein the volute is provided with an inner annular wall extending into the chamber, the inner ring wall can be used for separating the cavity into an inner ring pumping cavity and an outer ring pumping cavity which are isolated from each other independently or in cooperation with the impeller, the outer ring pumping chamber is coaxially arranged at the periphery of the inner ring pumping chamber, the bottom of the volute is provided with an inner ring liquid inlet communicated with the inner ring pumping chamber and an outer ring liquid inlet communicated with the outer ring pumping chamber, the top of the volute is provided with an inner ring liquid outlet communicated with the inner ring pumping chamber, the side wall of the volute is provided with an outer ring liquid outlet communicated with the outer ring pumping chamber, two pumping chambers which are arranged in the volute in an isolated mode are used for pumping fluid by the impeller and then pumping the fluid to the spraying devices at different positions along the corresponding pumping chambers.

Description

Volute applied to double-waterway open type dishwasher pump

Technical Field

The utility model relates to the technical field of water pumps, in particular to a volute applied to a double-waterway open type dishwasher water pump.

Background

Before the water pump works, the water pump and the water inlet pipe must be filled with water, then the liquid obtains energy under the action of inertial centrifugal force by means of the impeller rotating at high speed so as to improve the internal pressure of the liquid, when the impeller rotates fast, the blades promote the water to rotate fast, the water flies out of the impeller under the action of the centrifugal force, after the water in the water pump is thrown out, the central part of the impeller forms a vacuum area, then the water at a water source enters the water inlet pipe under the action of atmospheric pressure (or water pressure), and continuous water pumping can be realized after circulation is not completed. The water pump has the advantages of simple structure, easy operation, easy flow regulation, suitability for conveying various materials with special properties and the like, and is widely applied to various fields, such as various industrial places, and various household appliances, such as washing machines, dish washing machines, air conditioners and the like.

The existing volute and at least part of the impeller accommodated in the volute are matched to form a pumping channel, a liquid inlet and a liquid outlet which are communicated with the pumping channel are arranged in the volute, the liquid outlet is used for being communicated with a liquid inlet of the spraying device, namely, only one single water channel is arranged in the existing volute for the impeller to pump fluid and then pump the fluid to the spraying device, and when the spraying devices at two different positions need to be supplied, the existing single water channel volute cannot meet the required requirements.

Disclosure of Invention

The utility model aims to provide a volute applied to a double-waterway open type dishwasher water pump, wherein an inner ring wall is arranged in the volute, and the inner ring wall can be used for separating a chamber into an inner ring pumping chamber and an outer ring pumping chamber which are isolated from each other independently or in cooperation with an impeller, so that the two isolated pumping chambers arranged in the volute are used for pumping fluid to a spraying device at different positions along the corresponding pumping chambers after the impeller pumps the fluid.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a be applied to spiral case of two water routes open dishwasher water pump, is formed with the spiral case of cavity including inside, and the spiral case is provided with the interior rampart that stretches into the cavity, interior rampart can separate into inner circle pumping chamber and outer lane pumping chamber of mutual isolation with the cavity alone or with the impeller cooperation, outer lane pumping chamber coaxial set up in the periphery of inner circle pumping chamber, the spiral case bottom is equipped with the inner circle inlet that communicates with inner circle pumping chamber and the outer lane inlet that communicates with outer lane pumping chamber, the top of spiral case is equipped with the inner circle liquid outlet of intercommunication inner circle pumping chamber, the lateral wall of spiral case is equipped with the outer lane liquid outlet of intercommunication outer lane pumping chamber.

Furthermore, a volute bottom which is abutted to the inner ring wall is arranged in the volute, and the outer ring pumping chamber is positioned below the volute bottom.

Further, the side of spiral case is equipped with outlet conduit, outer lane liquid outlet intercommunication outlet conduit's liquid outlet, outlet conduit's liquid outlet is flowing back up, flowing back down or flowing back towards the side.

Furthermore, a water distribution ring is arranged at the bottom of the volute and used for dividing the space at the bottom of the volute into two liquid drawing areas, wherein one liquid drawing area is communicated with the liquid inlet of the outer ring, and the other liquid drawing area is communicated with the liquid inlet of the inner ring.

Furthermore, the water diversion ring is provided with a guide post for connecting the volute.

Furthermore, the volute comprises an upper volute and a lower volute which are detachably connected into a whole, the inner ring liquid outlet is arranged at the top of the upper volute, and the outer ring liquid outlet is arranged at the side part of the lower volute.

Further, the inner annular wall is integrally formed with the upper volute.

Further, the upper end of the inner annular wall is arranged into an outwards expanded trumpet-shaped structure.

Furthermore, a stepped upper shell wall is arranged on the side edge of the upper volute, and the lower volute is matched with the lower shell wall of the upper shell wall.

Further, the lower volute is provided with a step part, and the step part is connected with the outer ring liquid outlet and the liquid outlet of the water outlet pipeline.

In conclusion, the utility model has the following beneficial effects:

a volute applied to a double-waterway open type dishwasher water pump is provided with an inner ring wall, the inner ring wall can be used for separating a chamber into an inner ring pumping chamber and an outer ring pumping chamber which are isolated from each other independently or in cooperation with an impeller, so that the two isolated pumping chambers arranged in the volute are used for pumping fluid to a spraying device at different positions along the corresponding pumping chambers after the impeller pumps the fluid; the volute is internally provided with a volute bottom abutted to the inner annular wall, the volute bottom is used for reducing the outer ring pumping chamber to an area below the outer ring pumping chamber corresponding to the volute bottom, a water path of the outer ring pumping chamber is ensured to be smooth, and meanwhile, the space of the outer ring pumping chamber is reduced, so that the pumping efficiency of the outer ring pumping chamber is improved.

Drawings

Fig. 1 is a schematic view of the installation of a scroll casing in the third embodiment of the present invention.

Fig. 2 is a schematic view of an impeller and a volute in the third embodiment of the present invention.

Fig. 3 is a schematic view of the installation of a scroll casing in the fourth embodiment of the present invention.

Fig. 4 is a schematic view of an impeller and a volute according to a second embodiment of the present invention.

Fig. 5 is a schematic diagram of a first embodiment of the utility model.

Fig. 6 is a schematic diagram of a second embodiment of the present invention.

Fig. 7 is a schematic diagram of a third embodiment of the present invention.

Figure 8 is a schematic view of a lower volute of embodiment five of the present invention.

In the figure: 1. a volute; 11. a chamber; 12. an inner ring pumping chamber; 121. an inner ring liquid outlet; 122. a liquid inlet of the inner ring; 13. an outer ring pumping chamber; 131. a liquid outlet on the outer ring; 132. a liquid inlet of the outer ring; 14. an inner annular wall; 2. a volute bottom; 3. a water diversion ring; 31. a guide post; 4. an upper volute; 41. an upper housing wall; 5. a lower volute; 51. a curved surface; 52. a step portion; 53. a lower shell wall; 6. an impeller; 61. an annular connecting wall; 7. a water outlet pipeline.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 8, a volute applied to a dual-waterway open type dishwasher water pump includes a spraying device, a volute 1, an impeller 6 and a motor, the volute 1 is installed in a sink body of the dishwasher, the spraying device is installed on an upper portion of the volute 1, the motor is installed on a lower portion of the volute, a chamber 11 is provided in the volute 1, the impeller 6 is at least partially accommodated in the chamber 11, an output end of the motor is connected to the impeller 6, when the motor is driven, the impeller is driven to rotate in the volute, and fluid at the lower portion of the volute 1 is drawn and pumped to the spraying device, and since the spraying device is rotatably installed on the upper portion of the volute, the spraying device rotates under the centrifugal force of the fluid and sprays the fluid.

The volute 1 is provided with an inner annular wall 14 extending into the chamber 11, the inner annular wall 14 can be separated into an inner ring pumping chamber 12 and an outer ring pumping chamber 13 which are isolated from each other by itself or by being matched with the impeller 6, the outer ring pumping chamber 13 is coaxially arranged on the periphery of the inner ring pumping chamber 12, the bottom of the volute 1 is provided with an inner ring liquid inlet 122 communicated with the inner ring pumping chamber 12 and an outer ring liquid inlet 132 communicated with the outer ring pumping chamber 13, the top of the volute 1 is provided with an inner ring liquid outlet 121 communicated with the inner ring pumping chamber 12, the side wall of the volute 1 is provided with an outer ring liquid outlet 131 communicated with the outer ring pumping chamber 13, so that two isolated pumping chambers 11 arranged in the volute 1 are used for pumping fluid by the impeller and then pumping the fluid to spraying devices at different positions along the corresponding pumping chambers 11, wherein the isolation in the utility model means that after the outer ring liquid inlet 132 and the inner ring liquid inlet 122 pump the fluid, in the pumping process of the corresponding pumping chamber 11, the fluid in the pumping chamber 11 does not interfere with each other, that is, in the process of pumping the fluid drawn by the outer ring liquid inlet 132 in the outer ring pumping chamber 13, on the premise of ensuring smooth pumping of the fluid, a small part of the fluid is allowed to flow out to the inner ring pumping chamber 12, and similarly, in the process of pumping the fluid drawn by the inner ring liquid inlet 122 in the inner ring pumping chamber 12, on the premise of ensuring smooth pumping of the fluid, a small part of the fluid is allowed to flow out to the outer ring pumping chamber 13.

The volute 1 comprises an upper volute 41 and a lower volute 51 which are detachably connected into a whole, the inner ring liquid outlet 121 is arranged at the top of the upper volute 41, the outer ring liquid outlet 131 is arranged at the side of the lower volute 51, the volute 1 is conveniently mounted at the bottom and an impeller through the split design of the volute 1, and meanwhile, the mold design and the processing difficulty can be reduced.

The first embodiment is as follows: the inner ring wall 14 extends to a position corresponding to the outer ring inlet 132 of the lower volute 51.

Example two: the inner ring wall 14 extends into the chamber 11 of the volute 1, the impeller 6 installed in the chamber 11 includes an inner ring blade and an outer ring blade, that is, an annular connecting wall 61, the inner side of the annular connecting wall 61 is connected with the inner ring blade, the outer side of the annular connecting wall 61 is connected with the outer ring blade, the inner ring wall 14 is in clearance fit with the annular connecting wall 61 to divide the chamber 11 into an inner ring pumping chamber 12 and an outer ring pumping chamber 13 which are isolated from each other, most equivalently, the inner ring wall 14 can also be matched with other annular components, for example, the inner ring wall 14 extends into the chamber 11 of the volute 1, the volute is further provided with an annular component which is abutted against or in clearance fit with the inner ring wall 14, and the position of the annular component corresponding to the inner ring wall 14 extends to a position corresponding to the outer ring liquid inlet 132 of the lower volute 51.

The volute 1 is internally provided with a volute bottom 2 abutting against an inner annular wall 14, the outer ring pumping chamber 13 is positioned below the volute bottom 2, the volute bottom 2 is used for reducing the outer ring pumping chamber 13 to an area below the outer ring pumping chamber 13 corresponding to the volute 1 bottom, a water path of the outer ring pumping chamber 13 is guaranteed to be smooth, and meanwhile, the space of the outer ring pumping chamber 13 is reduced, so that the pumping efficiency of the outer ring pumping chamber 13 is improved.

The water distribution ring 3 is arranged at the bottom of the volute 1, the water distribution ring 3 is used for dividing the space at the bottom of the volute 1 into two liquid drawing areas, one liquid drawing area is communicated with the outer ring liquid inlet 132, the other liquid drawing area is communicated with the inner ring liquid inlet 122, and the fluid at the bottom of the volute 12 is divided into an upper path and a lower path through the water distribution ring 3, so that the flow of the fluid is uniformly distributed.

The water diversion ring 3 is provided with a guide post 31 used for connecting the volute 1, the volute 1 is provided with a mounting hole matched with the guide post 31, and the volute 1 and the water diversion ring 3 are connected into a whole through bolts or other fasteners.

The upper end of the inner annular wall 14 is arranged to be in an outward-expanding horn-shaped structure, and the upward impact force of the fluid can be converted into a lateral impact force through the arrangement, so that the lateral liquid discharging efficiency of the utility model is further improved.

The side of spiral case 1 is equipped with outlet conduit 7, outer lane liquid outlet 131 communicates outlet conduit 7's liquid outlet, outlet conduit 7's liquid outlet is up flowing back, is flowing back down or is flowing back towards the side.

Example three: when the liquid outlet of the water outlet pipe 7 discharges liquid towards the side, as shown in fig. 1-2, the water outlet pipe 7 bends and extends along the same height of the volute 1 to discharge liquid towards the side, in the fourth embodiment, when the liquid outlet of the water outlet pipe 7 discharges liquid upwards, as shown in fig. 3, the liquid outlet of the water outlet pipe 7 in the two embodiments pumps the fluid flowing through the water outlet pipe 7 directly to the corresponding spraying device through the connecting pipe extending upwards, that is, the water outlet pipe 7 and the connecting pipe are both located at the inner end of the water tank body.

Example five: when the liquid outlet of the water outlet pipe 7 discharges liquid towards the lower end, the water outlet pipe 7 penetrates through the water tank body downwards, and the fluid flowing through the water outlet pipe 7 is pumped to the corresponding spraying device through a connecting pipe outside the water tank body.

The third, fourth and fifth embodiments can pump the fluid flowing through the water outlet pipe 7 to the corresponding spraying device, but the water outlet pipe 7 in the third and fourth embodiments does not pass through the water tank body, so that the distance between the outer ring liquid outlet 131 and the corresponding spraying device is reduced, the energy loss in the fluid pumping process is reduced, the fluid pumping pressure is further improved, and the cleaning efficiency and the cleaning quality of the dish-washing machine are ensured.

When the liquid outlet of the water outlet pipe 7 discharges liquid towards the lower end, the outer ring water flow surface of the lower volute 51 is set to be a gradually-changing curved surface 51 from high to low, so that the fluid in the outer ring pumping chamber 13 does not generate a fall in the flow, and is discharged through the outer ring liquid outlet 131 in a favorable manner, thereby being beneficial to pressurizing the fluid in the outer ring pumping chamber 13 and improving the pumping efficiency.

The combination of the structure of the inner annular wall 14 in the first embodiment and the structure of the water outlet tube 7 in the third embodiment forms a sixth new embodiment, the combination of the structure of the inner annular wall 14 in the first embodiment and the structure of the water outlet tube 7 in the fourth embodiment forms a seventh new embodiment, the combination of the structure of the inner annular wall 14 in the second embodiment and the structure of the water outlet tube 7 in the third embodiment forms an eighth new embodiment, and the combination of the structure of the inner annular wall 14 in the second embodiment and the structure of the water outlet tube 7 in the fourth embodiment forms a ninth new embodiment.

The lower volute 51 is provided with a step portion 52, the step portion 52 connects the outer ring liquid outlet 131 and the liquid outlet of the water outlet pipe, and the step portion 52 is provided to reduce the drop height of the fluid in the outer ring pumping chamber 13 during the rotation process with the impeller, so that the fluid is pumped more smoothly.

The inner annular wall 14 and the upper volute casing 41 are integrally formed, and the top of the inner annular wall 14 is smoothly connected with the upper volute casing 41, so that the connection strength between the inner annular wall 14 and the upper volute casing 41 is ensured, and the sealing performance between the inner annular wall 14 and the upper volute casing 41 is ensured.

The side edge of the upper volute 41 is provided with a stepped upper casing wall 41, the lower volute 51 and a lower casing wall 53 adapted to the upper casing wall 41 are arranged into a stepped structure, so that the strength and the service life of the upper volute 41 and the lower volute 51 are ensured, and meanwhile, the stepped design further ensures the sealing property between the upper casing wall 41 and the lower casing wall 53, namely, after the upper casing wall 41 and the lower casing wall 53 are connected into a whole through a fastening piece, the upper casing wall 41 and the lower casing wall 53 are pressed tightly, so that the effect of mechanical sealing is achieved.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.

Claims

1. The utility model provides a be applied to spiral case of open dishwasher water pump in two water routes, includes that inside is formed with spiral case (1) of cavity (11), and spiral case (1) is provided with interior rampart (14) that stretch into cavity (11), its characterized in that: inner ring wall (14) can separate into inner ring pumping chamber (12) and outer lane pumping chamber (13) of mutual isolation with cavity (11) alone or with impeller (6) cooperation, outer lane pumping chamber (13) coaxial set up in the periphery of inner ring pumping chamber (12), spiral case (1) bottom is equipped with inner ring inlet (122) and outer lane inlet (132) that communicate with inner ring pumping chamber (12) intercommunication, the top of spiral case (1) is equipped with inner ring liquid outlet (121) that communicate inner ring pumping chamber (12), the lateral wall of spiral case (1) is equipped with outer lane liquid outlet (131) that communicate outer lane pumping chamber (13).

2. The volute of claim 1, wherein the volute is applied to a water pump of a dual-waterway open type dishwasher, and comprises: a volute bottom (2) which is abutted to an inner annular wall (14) is arranged in the volute (1), and the outer ring pumping chamber (13) is located below the volute bottom (2).

3. The volute of claim 1, wherein the volute is applied to a water pump of a dual-waterway open type dishwasher, and comprises: the side of spiral case (1) is equipped with outlet conduit (7), outer lane liquid outlet (131) communicate the liquid outlet of outlet conduit (7), the liquid outlet of outlet conduit (7) is flowing back up, flowing back down or flowing back towards the side.

4. The volute of claim 1, wherein the volute is applied to a water pump of a dual-waterway open type dishwasher, and comprises: the water distribution ring (3) is arranged at the bottom of the volute (1), and the water distribution ring (3) is used for dividing the space at the bottom of the volute (1) into two liquid drawing areas, wherein one liquid drawing area is communicated with the outer ring liquid inlet (132), and the other liquid drawing area is communicated with the inner ring liquid inlet (122).

5. The volute of claim 4, wherein the volute is applied to a pump of a dual-waterway open type dishwasher, and comprises: the water diversion ring (3) is provided with a guide post (31) used for connecting the volute (1).

6. The volute of claim 1, wherein the volute is applied to a water pump of a dual-waterway open type dishwasher, and comprises: the volute (1) comprises an upper volute (4) and a lower volute (5) which are detachably connected into a whole, the inner ring liquid outlet (121) is arranged at the top of the upper volute (4), and the outer ring liquid outlet (131) is arranged at the side part of the lower volute (5).

7. The volute of claim 5, wherein the volute is applied to a pump of a dual-waterway open type dishwasher, and comprises: the inner annular wall (14) and the upper volute (4) are integrally formed.

8. The volute of claim 5, wherein the volute is applied to a pump of a dual-waterway open type dishwasher, and comprises: the upper end of the inner annular wall (14) is arranged into an outwards expanded trumpet-shaped structure.

9. The volute of claim 6, wherein the volute is applied to a pump of a dual-waterway open type dishwasher, and comprises: the side edge of the upper volute (4) is provided with a stepped upper shell wall (41), and the lower volute (5) and a lower shell wall (53) which is matched with the upper shell wall (41).

10. The volute of claim 6, wherein the volute is applied to a pump of a dual-waterway open type dishwasher, and comprises: the lower volute (5) is provided with a step part (52), and the step part (52) is connected with the outer ring liquid outlet (131) and the liquid outlet of the water outlet pipeline (7).