CN214196676U - Centrifugal pump with air guide joint and washing equipment applying same - Google Patents

Abstract

The centrifugal pump with air guide joint and the washing equipment using the pump include: the rotor assembly comprises an impeller, wherein a magnetic core for driving the rotating shaft to rotate by the rotating shaft is fixed on the rotating shaft; a pump body including a cylinder portion having a hollow chamber accommodating the rotor assembly; the air guide joint is hermetically fixed on the pump body and is provided with an air supply channel communicated with the air, and the air supply channel is communicated with the hollow cavity to form an air guide channel for the air to enter from the air supply channel and to be discharged after passing through the hollow cavity. The centrifugal pump with the air guide joint of the utility model integrates the air guide joint on the pump body, and can introduce air into the pump equipment without additionally arranging an air inlet on the pump washing equipment, thereby reducing the risk of water leakage of the pump equipment; and an air inlet used for supplying air to the washing equipment covers the interior of a structural part of the pump body, so that the risk of blockage of the washed objects is reduced.

Description

Centrifugal pump with air guide joint and washing equipment applying same

Technical Field

The utility model relates to a structure of centrifugal pump especially relates to a structure of centrifugal pump of taking air guide to connect, and its IPC classification number is F04D.

Background

A typical washing apparatus is shown in fig. 1, which includes a tank 10 ' for washing and a centrifugal pump 1' mounted on the tank 10 '. In order to improve the cleaning effect of the washing equipment, the conventional scheme is to provide an air inlet 20 ' on the bottom plate of the box body 10 ', and connect the air inlet 20 ' with an ozone generator 30 ' arranged on the box body 10 ' through a pipeline. During washing, ozone produced by the ozone generator 30 'is introduced into the housing 10' through a pipe and then mixed with water to form ozone water having a strong oxidizing property. The ozone water produced by the above method can be used for cleaning the object to be cleaned, and has the effects of removing peculiar smell, degrading pesticide, decomposing toxin, disinfecting and sterilizing. However, the design has the following technical problems:

1. an air inlet for air inlet needs to be additionally arranged on the box body, so that the risk of water leakage of the box body is increased;

2. the air inlet is exposed on the inner wall surface of the box body, and during the washing process, the air inlet is easily blocked by the washed objects, so that the air inlet effect is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a take centrifugal pump of air guide joint that is used for the washing equipment to go up and prevents that the box from leaking and prevent blockking up the air inlet.

The utility model adopts the technical proposal that:

centrifugal pump with air guide joint, comprising: the rotor assembly comprises an impeller, wherein a magnetic core for driving the rotating shaft to rotate by the rotating shaft is fixed on the rotating shaft; a pump body including a cylinder portion having a hollow chamber accommodating the rotor assembly; the air guide joint is hermetically fixed on the pump body and is provided with an air supply channel communicated with the air, and the air supply channel is communicated with the hollow cavity to form an air guide channel for the air to enter from the air supply channel and to be discharged after passing through the hollow cavity.

The centrifugal pump with the air guide joint of the utility model integrates the air guide joint on the pump body, and can introduce air into the pump equipment without additionally arranging an air inlet on the pump washing equipment, thereby reducing the risk of water leakage of the pump equipment; and an air inlet used for supplying air to the washing equipment covers the interior of a structural part of the pump body, so that the risk of blockage of the washed objects is reduced.

Further, this centrifugal pump of taking air guide joint still includes the support of setting firmly on the pump body and installs the spray arm on the support, and the support includes the annular base of cylinder rest table below and the connecting block that links to each other with both, and the breach between rest table and the base forms the water inlet, and the impeller includes the longer blade upper segment of radial length and the shorter blade hypomere of radial length, forms the impeller cavity after spray arm and rest table are connected.

Further, this take centrifugal pump of air guide joint still includes the pump cover, and it includes the pump cover main part of ring column shape and sets up water inlet and the delivery port in the pump cover main part, and this pump cover lid closes and installs the impeller cavity that forms the impeller of holding on the axial terminal surface of the pump body.

Furthermore, the air guide joint is axially arranged at the bottom end of the hollow chamber, the rotating shaft is provided with an axial through hole, the axial through hole forms a third channel and is communicated with the hollow chamber and the impeller cavity, and the air guide channel further comprises a third channel. This design lets outside gas get into and mix with water from the pump body through the air guide joint, and the water through mixing can lead to the spray arm and spray to being washd the thing, improves the cleaning performance.

Furthermore, the centrifugal pump with the air guide joint further comprises an end cover fixedly arranged on the end face of the pump body, a cavity enclosed by the end cover and the pump body forms a pump body channel communicated with the hollow cavity, the end cover is provided with an axial end cover through hole, the end cover through hole forms an end cover channel, the air guide joint is radially arranged on the peripheral wall of the cylinder part, and the air guide channel further comprises a pump body channel and an end cover channel.

Further, the cylinder part is provided with a cylinder part through hole communicated with the hollow cavity, the air guide joint comprises a tubular external connection part and an installation part, and the installation part is fixed outside the cylinder part through hole of the pump body in a sealing mode. The design sets the air guide joint into a single part, which is beneficial to simplifying the die structure for manufacturing the centrifugal pump.

Furthermore, the centrifugal pump with the air guide joint further comprises a control box and an electric control plate arranged in a cavity of the control box, wherein the control box and the electric control plate are positioned on one side of the cylinder part far away from the impeller, and the control box and the electric control plate are respectively provided with through holes for the cylinder part of the pump body to pass through. This design holds automatically controlled board in the control box, reduces water and drops to automatically controlled board and arouse the risk that the short circuit became invalid, improves centrifugal pump job stabilization nature.

The washing equipment of the centrifugal pump with the air guide joint comprises a box body forming a cleaning water containing space, wherein any centrifugal pump with the air guide joint is arranged on the box body. The device uses the air guide joint on the centrifugal pump as an inlet for external air, and the box body does not need to be additionally provided with an inlet, thereby being beneficial to improving the sealing property of the box body.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a cross-sectional view of a prior art washing apparatus with an external interface;

FIG. 2 is a schematic perspective view of the centrifugal pump of embodiment 1 with air guide joint according to the present invention;

FIG. 3 is an exploded view of embodiment 1 of the centrifugal pump with air guide joint of the present invention;

FIG. 4 is a sectional view of embodiment 1 of the centrifugal pump with air guide joint according to the present invention;

fig. 5 is an enlarged view of a portion of fig. 4 according to the present invention;

fig. 6 is a partial enlarged view of B in fig. 4 according to the present invention;

FIG. 7 is a schematic perspective view of the bracket of embodiment 1 of the centrifugal pump with air guide joint according to the present invention;

FIG. 8 is a schematic perspective view of the air guide joint of centrifugal pump embodiment 1 with air guide joint according to the present invention;

fig. 9 is a schematic perspective view of an impeller of embodiment 1 of the centrifugal pump with an air guide joint according to the present invention;

FIG. 10 is a schematic sectional view of a nozzle arm of centrifugal pump embodiment 1 with an air guide joint according to the present invention;

FIG. 11 is a sectional view of the washing apparatus of embodiment 1 of the centrifugal pump using the air guide joint;

FIG. 12 is a sectional view of a washing apparatus employing a centrifugal pump embodiment 2 with an air guide joint;

fig. 13 is a partial enlarged view of C in fig. 12;

FIG. 14 is a schematic perspective view of the air guide adapter integrally formed on the pump body;

FIG. 15 is a schematic sectional view showing the structure of the centrifugal pump of the present invention in accordance with embodiment 3;

FIG. 16 is a schematic sectional view showing the structure of the centrifugal pump of embodiment 4 with an air guide joint according to the present invention;

wherein: 1 '-centrifugal pump, 10' -box body, 20 '-air inlet and 30' -ozone generator

11-hollow chamber, 11 '-hollow chamber, 12-impeller chamber, 12' -impeller chamber, 20-sealing ring, 30-screw, 40-ozone generator, 80-spray chamber, 90-box, 100-pump body, 100 '-pump body, 110-cylinder part, 110' -cylinder part, 111-cylinder part through hole, 111 '-cylinder part through hole, 200-rotor component, 200' -rotor component, 210-rotating shaft, 210 '-rotating shaft, 211-axial through hole, 220-magnetic core, 230-impeller, 230' -impeller, 231-blade upper section, 232-blade lower section, 300-gas guide joint, 300 '-gas guide joint, 310-external connection part, 320-installation part, 400-stator, 12-screw, 40-ozone generator, 100-spray chamber, 100-pump body, 100' -pump body, 110-cylinder part, 111-cylinder part through hole, 200-rotor component, 210-rotating shaft, 211-axial through hole, 220-magnetic core, 230-impeller, 230-blade upper section, 231-blade lower section, 300-gas guide joint, 310-external connection part, 320-installation part, 400-stator, and 20-stator, 410-control box upper part, 411-upper part through hole, 420-control box lower part, 422-lower part through hole, 500-electric control board, 510-electric control board through hole, 600-end cover, 610-end cover hole, 700-support, 710-supporting table, 711-boss, 720-base, 730-connecting block, 740-water inlet, 800-spray arm, 810-spray arm upper part, 820-spray arm lower part, 821-clamping groove, 830-spray hole, 900-pump cover, 910-pump cover main body, 911-water inlet and 912-water outlet

L1-air supply channel, L2-third channel, L2 '-pump body channel, L3-third channel, and L3' -end cover channel

Detailed Description

As shown in fig. 2-4, the present invention provides a centrifugal pump with an air guide joint, which comprises a pump body 100, a rotor assembly 200, an air guide joint 300 and a stator 400 fixedly mounted on the pump body 100. The pump body 100 includes a cylinder 110, and the cylinder 110 is provided with a hollow chamber 11. The rotor assembly 200 is rotatably mounted on the hollow chamber 11 of the pump body, and includes a rotating shaft 210, a magnetic core 220 for driving the rotating shaft to rotate, and an impeller 230 fixed on the rotating shaft. Referring to fig. 4 or 5, the air guide connector 300 is hollow inside to form an air supply passage L1 for communicating air, the air guide connector 300 is hermetically fixed on the pump body 100, and the air supply passage L1 is communicated with the hollow chamber 11 to form an air guide passage for air to enter from the air guide connector 300 and to be discharged after passing through the hollow chamber 11.

Centrifugal pump with air guide fitting embodiment 1:

referring to fig. 3 and 9, the centrifugal pump of the present embodiment is an open type centrifugal pump, and the impeller 230 includes an upper vane segment 231 having a longer radial length and a lower vane segment 232 having a shorter radial length. The centrifugal pump further comprises a bracket 700 fixedly mounted on the pump body and a spray arm 800 mounted on the bracket. Referring to fig. 7, the stand 700 includes a cylindrical support 710, a circular ring-shaped base 720 below the support, and a connecting block 730 connecting the support and the base, wherein a gap between the support 710 and the base 720 forms a water inlet 740. Referring to fig. 4 and 10, the spray arm 800 includes an upper spray arm part 810 and a lower spray arm part 820 which are aligned to form the spray chamber 80, and a spray hole 830 is formed on an axial end surface of the upper spray arm part 810. Specifically, referring to fig. 4 and 6, the lower portion 820 of the spray arm is provided with a radial slot 821, and the support platform 710 is provided with a radially protruding boss 711. The spray arm 800 is engaged with the boss 711 of the support base through the engaging groove 821. When installed, the spray arm 800 and the support 710 form an impeller cavity 12 that receives the impeller 230.

Referring to fig. 4 and 5, the air guide joint 300 of the present embodiment is axially disposed at the bottom end of the hollow chamber 11, the rotating shaft 210 is provided with an axial through hole 211 communicated with the hollow chamber 11, the axial through hole 211 forms a third passage L3, a portion of the lower section of the hollow chamber 11 between the air guide joint 300 and the rotating shaft 210 forms a second passage L2, and the air guide passage includes an air supply passage L1, a second passage L2 and a third passage L3. Of course, the air guide passage may be shortened in accordance with the actual application, and the air supply passage L1 may be directly abutted to the third passage L3 by omitting the second passage L2. This design utilizes axial through-hole to let outside gas from the pump body outside get into and mix with water, and the water of mixing leads to spray arm orifice discharge and sprays the thing to being washd, improves the cleaning performance.

Referring to fig. 5 and 8, as a preferred embodiment of the air guide joint of the present invention, the air guide joint 300 includes a tubular outer joint part 310 and a mounting part 320. A cylinder through hole 111 communicating with the hollow chamber 11 is provided at an axial end of the cylinder 110 of the pump body, and the mounting portion 320 is fixed to the outside of the cylinder through hole 111 of the pump body 100 in a sealing manner. The specific connection structure in which the mounting portion 320 is fixed to the pump body 100 in a sealing manner is: a screw hole (not shown) is provided in an axial end surface of the cylindrical portion on the side away from the impeller, a seal ring 20 is provided between the axial end surface and an axial end surface of the attachment portion 320, and the air guide joint 300 is fixed to the pump body 100 by a screw 30. Of course, the air guide joint 300 can also be hermetically connected to the pump body barrel portion by thermal welding or other connection means commonly used in mechanical engineering, even though, as shown in fig. 14, the air guide joint 300' is designed to be integrally injection-molded with the pump body 100 ″.

Referring to fig. 3 and 5, the centrifugal pump further includes a control box and electronic control board 500 located on a side of the barrel 110 remote from the impeller 230. Wherein the control box comprises a control box upper part 410 and a control box lower part 420. Wherein, the upper part 410 of the box making, the lower part 420 of the control box and the electric control board 500 are respectively provided with an upper through hole 411, a lower through hole 421 and an electric control board through hole 510 for the cylinder part 110 to pass through. The upper control box portion 410 and the lower control box portion 420 are mounted in a butt joint manner to form a control box cavity, and the electric control board 500 is arranged in the control box cavity. This design holds automatically controlled board in the control box, reduces water and drops to automatically controlled board and arouse the risk that the short circuit became invalid, improves centrifugal pump job stabilization nature.

Centrifugal pump with air guide fitting embodiment 2:

referring to fig. 12 and 13, the present embodiment is an open centrifugal pump as in practical example 1, and the two different features are: a cylinder through hole 111 'is formed in the outer peripheral wall of the cylinder 110' of the pump body 100 'of the present embodiment, and the cylinder through hole 111' communicates with the hollow chamber 11 'of the cylinder 110'; an end cover 600 is arranged on the axial end face of the pump body 100', a cavity enclosed after the end cover 600 is fixedly connected with the pump body 100' forms a pump body channel L2 'communicated with the hollow cavity 11', the end cover 600 is provided with an end cover through hole 610, and the end cover through hole 610 forms an end cover channel L3 'communicated with the pump body channel L2'. Referring to fig. 13, the air guide joint 300 of the present embodiment is radially disposed on the outer peripheral wall of the cylinder portion 110 'and has an air supply passage L1 communicating with the pump body passage L2', and the air guide passage of the present embodiment includes an air supply passage L1, a pump body passage L2 ', and an end cap passage L3'. The advantage of this scheme is in utilizing the air guide joint directly to let in well cavity 11 'with gaseous, and the magnetic core in well cavity 11' rotates and carries out abundant stirring to gaseous and water and mixes, and the water after mixing is discharged and is washd the quilt from the end cover hole, improves the cleaning performance.

Centrifugal pump with air guide fitting embodiment 3:

referring to fig. 15, the difference between this embodiment and embodiment 1 is that the centrifugal pump in this embodiment is a centrifugal pump with a pump cover, and the centrifugal pump further includes a pump cover 900, where the pump cover 900 includes a ring-column-shaped pump cover main body 910, and a water inlet 911 and a water outlet 912 that are disposed on the pump cover main body 910. The pump cover 900 is attached to the axial end face of the pump body 100 by being closed, and forms an impeller chamber 12 'for accommodating the impeller 230'. The external air enters the impeller cavity 12' through the flow guide channel and is mixed with water, the mixed water is discharged from the water outlet 912 to the cleaned object in the same direction, and the cleaned object is cleaned, so that the cleaning effect is improved. Meanwhile, the design meter arranges the air guide joint on the pump body with lower cavity pressure, which is more beneficial to the introduction of external air.

Centrifugal pump with air guide fitting embodiment 4:

referring to fig. 16, the difference between the present embodiment and embodiment 2 is that the centrifugal pump of the present embodiment is a centrifugal pump with a pump cover, and the centrifugal pump further includes a pump cover 900, where the pump cover 900 includes a pump cover main body 910 in an annular column shape, and a water inlet 911 and a water outlet 912 provided on the pump cover main body 910. The pump cover 900 is attached to the axial end face of the pump body 100 by being closed, and forms an impeller chamber 12 'for accommodating the impeller 230'. The external air enters the impeller cavity 12' through the flow guide channel and is mixed with water, the mixed water is discharged from the water outlet 912 to the cleaned object in the same direction, and the cleaned object is cleaned, so that the cleaning effect is improved. Meanwhile, the design meter arranges the air guide joint on the pump body with lower cavity pressure, which is more beneficial to the introduction of external air.

Washing equipment using centrifugal pump with air guide joint

Referring to fig. 11, the present invention also discloses a washing apparatus using the above centrifugal pump, the washing apparatus includes a box 90 for containing washing water and an ozone generator 40 fixed on the box, the centrifugal pump is fixed on the box 90. In operation, the impeller 230 rotates to form an upward axial suction force at the water inlet 740 of the bracket, so that water is sucked into the supporting platform 710 and led to the spraying cavity 80, and the water is driven by the upper section 231 of the impeller to be sprayed out from the spraying holes 830 on the spraying arm 800. In the process, the ozone generator 40 works, the generated gas is led into the spraying cavity 80 through the gas guide channel and is mixed with the water in the spraying cavity to form ozone water, and the ozone water is sprayed out through the through holes on the spraying arms to spray and wash the objects to be washed, so that the washing effect is improved.

The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.

Claims (8)

1. Centrifugal pump with air guide joint, comprising:

the rotor assembly (200, 200 ') comprises a rotating shaft (210, 210 '), a magnetic core (220) driving the rotating shaft to rotate and an impeller (230, 230 ') fixed on the rotating shaft;

a pump body (100, 100 ') comprising a cylinder portion (110, 110 '), the cylinder portion (110, 110 ') having a hollow chamber (11, 11 ') housing a rotor assembly (200, 200 ');

the method is characterized in that: still include air guide joint (300, 300 '), air guide joint (300, 300') are sealed to be fixed in the pump body (100, 100', 100 "), air guide joint (300, 300') establish air feed channel (L1) that the air feed channel switched on, air feed channel (L1) intercommunication cavity (11, 11 '), constitute gaseous air feed channel who gets into and discharge behind cavity (11, 11') from air feed channel (L1).

2. The centrifugal pump with air guide joint according to claim 1, wherein: still including setting firmly support (700) on the pump body and installing spray arm (800) on the support, support (700) include cylindrical supporting platform (710), be located annular base (720) of supporting platform below and with connecting block (730) that link to each other between them, supporting platform (710) with breach between base (720) forms water inlet (740), impeller (230) are including the longer blade upper segment of radial length (231) and the shorter blade hypomere (232) of radial length, spray arm (800) are connected back formation with supporting platform (710) and are held impeller cavity (12) of impeller (230).

3. The centrifugal pump with air guide joint according to claim 1, wherein: still include pump cover (900), it includes the pump cover main part (910) of the column of ring and sets up water inlet (911) and delivery port (912) on pump cover main part (910), and this pump cover (900) is covered and is installed and form impeller cavity (12 ') of holding impeller (230 ') on the axial terminal surface of the pump body (100, 100 ').

4. A centrifugal pump with an air guide joint according to claim 2 or 3, characterized in that: the air guide joint (300, 300 ') is axially arranged at the bottom end of the hollow cavity (11), the rotating shaft (210) is provided with an axial through hole (211), the axial through hole (211) forms a third channel (L3) and is communicated with the hollow cavity (11) and the impeller cavity (12, 12'), and the air guide channel further comprises a third channel (L3).

5. A centrifugal pump with an air guide joint according to claim 2 or 3, characterized in that: the air guide device is characterized by further comprising an end cover (600) fixedly arranged on the end face of the pump body (100 '), wherein a cavity surrounded by the end cover (600) and the pump body (100') forms a pump body channel (L2 ') communicated with the hollow cavity (11'), the end cover (600) is provided with an axial end cover through hole (610), the end cover through hole (610) is formed into an end cover channel (L3 '), the air guide joint (300) is radially arranged on the outer peripheral wall of the cylinder part (110'), and the air guide channel further comprises a pump body channel (L2 ') and an end cover channel (L3').

6. The centrifugal pump with air guide joint according to claim 1, wherein: the cylinder part (110, 110 ') is provided with cylinder part through holes (111, 111 ') communicated with the hollow cavities (11, 11 '), the air guide joint (300) comprises a tubular external connection part (310) and a mounting part (320), and the mounting part (320) is hermetically fixed on the outer sides of the cylinder part through holes (111, 111 ') of the pump bodies (100, 100 ').

7. The centrifugal pump with air guide joint according to claim 1, wherein: the pump body is characterized by further comprising control boxes (410, 420) and an electric control plate (500) arranged in a cavity of the control boxes, wherein the control boxes (410, 420) and the electric control plate (500) are located on one side of the cylinder part (110) far away from the impeller (230), and the control boxes (410, 420) and the electric control plate (500) are respectively provided with through holes for the cylinder part (110) of the pump body to pass through.

8. The utility model provides an use washing equipment of centrifugal pump of taking air guide joint, includes box (90) that forms washing water accommodation space, its characterized in that: the centrifugal pump with the air guide joint as claimed in any one of claims 1 to 7 is mounted on the tank body (90).

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