CN208900428U - A kind of combined type multistage unit frequency conversion peripheral pump - Google Patents

Abstract

The utility model discloses a kind of combined type multistage unit frequency conversion peripheral pumps, including shell, the right side of the shell is equipped with lid, gasket is equipped between the shell and lid, the lid is equipped with hex bolts one, the lid is connected by hex bolts one with shell, the middle part of the shell is equipped with shaft, the middle part of the shaft is equipped with impeller, the impeller is equipped with equally distributed diverging blade, the left side of the lid is equipped with connecting plate, the utility model structure is simple, it is easy to use, it can be by adjusting position of the frequency converter on peripheral pump, and then effectively avoid frequency converter setting is improper from causing vortex pump volume excessive, it brings great convenience to user, with corresponding shock-damping structure, to vibration caused by frequency converter when can effectively reduce vortex pump work, effectively avoid frequency converter internal electronic element that from should shaking Caused damage guarantees the normal service life of frequency converter.

Description

A kind of combined type multistage unit frequency conversion peripheral pump

Technical field

The utility model relates to combine pump technical field, specially a kind of combined type multistage unit frequency conversion peripheral pump.

Background technique

Peripheral pump is a kind of high-pressure pump, by rotary blade to the active force of liquid, in liquid motion direction to liquid Momentum transmits kinetic energy and then realizes the transmission of liquid, and traditional peripheral pump carries out drive work by motor at present, still The output power of traditional peripheral pump is fixed, therefore the output power of peripheral pump can not be adjusted, existing way It is the multistage unit frequency conversion realized by addition frequency converter to motor, but existing way is by the way that frequency converter is direct It is fixed on the shell of motor and uses, but since the electronic component inside frequency converter is more fragile, and motor is working Vibration caused by the process can damage the electronic component inside frequency converter, influence the normal use of frequency converter, such as Shen Please the patent of publication No. 20151038761.2 disclose a kind of frequency conversion peripheral pump, but the above patent exists in use Certain defect, take the separated mode of frequency converter and peripheral pump caused by reducing in the peripheral pump course of work The damage to frequency converter is shaken, but this processing mode can greatly increase the volume of peripheral pump, be not convenient to use, in addition become Although frequency device discord motor normally contact but times so lacks corresponding glissando, frequency converter during the work time still can be by To vibration by a relatively large margin, the damage of internal electronic element is caused.

We provide a kind of combined type multistage unit frequency conversion peripheral pumps thus.

Utility model content

The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of combined type multistage unit frequency conversion Peripheral pump, can be by adjusting position of the frequency converter on peripheral pump, and then effectively avoids frequency converter setting is improper from causing vortex Pump volume is excessive, has corresponding shock-damping structure, can be with to vibration caused by frequency converter when can effectively reduce vortex pump work Effectively solve the problems in background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of combined type multistage unit frequency conversion vortex The right side of pump, including shell, the shell is equipped with lid, and gasket is equipped between the shell and lid, is set on the lid There is hex bolts one, the lid is connected by hex bolts one with shell, and the middle part of the shell is equipped with shaft, and described turn The middle part of axis is equipped with impeller, and the impeller is equipped with equally distributed diverging blade, and the left side of the lid is equipped with connecting plate, institute It states and is equipped with rubber sheet gasket between connecting plate and shell, the edge of the connecting plate is equipped with hex bolts two, and the connecting plate passes through Hex bolts two is fixed on lid, and the left side of the connecting plate is equipped with frequency converter, and the upper end of the shell is equipped with input duct And liquid outlet pipe, being internally located between input duct and liquid outlet pipe for the shell are equipped with spacer body, the spacer body Thickness is greater than the maximum distance between two neighboring diverging blade, and the right side of the lid is equipped with shaft coupling, the shaft coupling Right side is equipped with motor, and the output shaft of the motor is connected with shaft by shaft coupling.

As a kind of optimal technical scheme of the utility model, the quantity of the hex bolts one is no less than six, described Hex bolts one is in the rounded array distribution in the edge of lid.

As a kind of optimal technical scheme of the utility model, it is equipped on the shell and lid corresponding with shaft Bearing, the shaft and bearing fit installation.

As a kind of optimal technical scheme of the utility model, the middle part between two adjacent diverging blades, which is equipped with, to be reinforced The thickness of rib, the ribs is not less than one centimetre.

As a kind of optimal technical scheme of the utility model, the quantity of the hex bolts two is no less than four, described Hex bolts two is in the rounded array distribution in the edge of connecting plate.

It, can be by adjusting compared with prior art, the utility model has the beneficial effects that structure is simple, easy to use Position of the frequency converter on peripheral pump, and then effectively avoid frequency converter setting is improper from causing vortex pump volume excessive, give user It brings great convenience, there is corresponding shock-damping structure, to vibration caused by frequency converter when can effectively reduce vortex pump work, It effectively avoids frequency converter internal electronic element that from should shaking caused damage, guarantees the normal service life of frequency converter.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model section structural schematic diagram；

Fig. 3 is the utility model partial profile structure.

In figure: 1 shell, 2 lids, 3 hex bolts one, 4 gaskets, 5 shaft couplings, 6 motor, 7 input ducts, 8 go out liquid Pipeline, 9 rubber sheet gaskets, 10 connecting plates, 11 hex bolts two, 12 frequency converters, 13 shafts, 14 impellers, 15 diverging blades, 16 are reinforced Rib, 17 spacer bodies, 18 bearings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of combined type multistage unit frequency conversion peripheral pump, Including shell 1, the right side of shell 1 is equipped with lid 2, and gasket 4 is equipped between shell 1 and lid 2, and lid 2 is equipped with hexagonal spiral shell Bolt 1, the quantity of hex bolts 1 are no less than six, and hex bolts 1 is in the rounded array distribution in the edge of lid 2, lid 2 are connected by hex bolts 1 with shell 1, and the middle part of shell 1 is equipped with shaft 13, are equipped with and are turned on shell 1 and lid 2 The corresponding bearing 18 of axis 13, shaft 13 and bearing 18 are coupled, and the middle part of shaft 13 is equipped with impeller 14, and impeller 14 is equipped with Equally distributed diverging blade 15, adjacent two middle parts dissipated between blades 15 are equipped with ribs 16, the thickness of ribs 16 Degree is not less than one centimetre, and ribs 16 increases the intensity of diverging blade 15, and the left side of lid 2 is equipped with connecting plate 10, connecting plate 10 Rubber sheet gasket 9 is equipped between shell 1, the edge of connecting plate 10 is equipped with hex bolts 2 11, and the quantity of hex bolts 2 11 is not Less than four, hex bolts 2 11 passes through hex bolts 2 11 in the rounded array distribution in the edge of connecting plate 10, connecting plate 10 It being fixed on lid 2, the left side of connecting plate 10 is equipped with frequency converter 12, and the upper end of shell 1 is equipped with input duct 7 and liquid outlet pipe 8, Being internally located between input duct 7 and liquid outlet pipe 8 for shell 1 is equipped with spacer body 17, and the thickness of spacer body 17 is greater than adjacent Maximum distance between two diverging blades 15, spacer body 17 realize the barrier to 1 inner passage of shell, avoid liquid significantly Reflux, the right side of lid 2 are equipped with shaft coupling 5, and the right side of shaft coupling 5 is equipped with motor 6, the output shaft and shaft 13 of motor 6 It is connected by shaft coupling 5, the connection between shell 1 and lid 2 is realized by hex bolts 1, passes through hex bolts 2 11 It realizes the connection between lid 2 and connecting plate 10, and then realizes the installation of frequency converter 12, motor 6 is the normal work of peripheral pump Make to provide task driven power, 6 input power of motor is adjusted by frequency converter 12, and then realizes and motor 6 is exported The control of power.

When in use: the connection between shell 1 and lid 2 is realized by hex bolts 1, it is real by hex bolts 2 11 Connection between existing lid 2 and connecting plate 10, and then realize the installation of frequency converter 12, motor 6 is the normal work of peripheral pump Task driven power is provided, 6 input power of motor is adjusted by frequency converter 12, and then is realized to 6 output work of motor The control of rate.

The utility model can be by adjusting position of the frequency converter 12 on peripheral pump, and then effectively frequency converter 12 is avoided to set Set it is improper cause vortex pump volume excessive, have corresponding shock-damping structure, to frequency converter 12 when can effectively reduce vortex pump work Caused vibration.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of combined type multistage unit frequency conversion peripheral pump, including shell (1), it is characterised in that: set on the right side of the shell (1) Have lid (2), be equipped with gasket (4) between the shell (1) and lid (2), the lid (2) is equipped with hex bolts one (3), the lid (2) is connected by hex bolts one (3) with shell (1), and the middle part of the shell (1) is equipped with shaft (13), the middle part of the shaft (13) is equipped with impeller (14), and the impeller (14) is equipped with equally distributed diverging blade (15), The left side of the lid (2) is equipped with connecting plate (10), is equipped with rubber sheet gasket (9) between the connecting plate (10) and shell (1), institute The edge for stating connecting plate (10) is equipped with hex bolts two (11), and the connecting plate (10) is fixed on lid by hex bolts two (11) On body (2), the left side of the connecting plate (10) is equipped with frequency converter (12), the upper end of the shell (1) be equipped with input duct (7) and Liquid outlet pipe (8), being internally located between input duct (7) and liquid outlet pipe (8) for the shell (1) are equipped with spacer body (17), The thickness of the spacer body (17) is greater than the maximum distance between two neighboring diverging blade (15), the right side of the lid (2) Equipped with shaft coupling (5), the right side of the shaft coupling (5) is equipped with motor (6), the output shaft and shaft of the motor (6) (13) it is connected by shaft coupling (5).

2. a kind of combined type multistage unit frequency conversion peripheral pump according to claim 1, it is characterised in that: the hex bolts The quantity of one (3) is no less than six, edge rounded array distribution of the hex bolts one (3) in lid (2).

3. a kind of combined type multistage unit frequency conversion peripheral pump according to claim 1, it is characterised in that: the shell (1) With the corresponding bearing (18) with shaft (13) is equipped on lid (2), the shaft (13) and bearing (18) are coupled.

4. a kind of combined type multistage unit frequency conversion peripheral pump according to claim 1, it is characterised in that: two adjacent hairs The middle part dissipated between blade (15) is equipped with ribs (16), and the thickness of the ribs (16) is not less than one centimetre.

5. a kind of combined type multistage unit frequency conversion peripheral pump according to claim 1, it is characterised in that: the hex bolts The quantity of two (11) is no less than four, edge rounded array distribution of the hex bolts two (11) in connecting plate (10).