CN208634044U - Disc of pump body of multi-stage pump - Google Patents
Disc of pump body of multi-stage pump Download PDFInfo
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- CN208634044U CN208634044U CN201820909340.XU CN201820909340U CN208634044U CN 208634044 U CN208634044 U CN 208634044U CN 201820909340 U CN201820909340 U CN 201820909340U CN 208634044 U CN208634044 U CN 208634044U
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- pump
- pump case
- bottom plate
- case bottom
- water inlet
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Abstract
The utility model relates to a kind of disc of pump body of multi-stage pump, solve the problems, such as of the existing technology: consuming more stainless steel resource；Or cast iron quality causes weight weight, intensity low；Net positive suction head is big；The problems such as head loss is big, the technical solution of use: the pump case includes pump case bottom plate and the pump case ring cover that is assemblied on the pump case bottom plate, inlet and outlet are set on the pump case bottom plate, the water inlet pipe and outlet pipe are arranged on the pump case bottom plate, and are connected to respectively with inlet and outlet formation.Its effect: the pump housing is separate structure, using different materials, i.e. material saving, and increases intensity, and head loss is small, net positive suction head is small.
Description
Technical field
The utility model relates to a kind of pump housing of multistage pump more particularly to a kind of change the more of intake tunnel and exhalant canal
The grade pump pump housing.
Background technique
As depicted in figs. 1 and 2, existing disc of pump body of multi-stage pump includes the pump case with pump chamber, has an isolation ring in pump chamber
19, pump chamber is isolated into two spaces, isolation ring exterior space is hydrospace, and isolation ring inner space is water inlet space, every
From a water outlet 110 is arranged on ring, uses hydrospace 111 and water inlet space 112 is formed by water outlet and connected, be arranged on pump case
Inlet tube 14 and outlet 15, water inlet pipe are connected to water inlet space, and outlet pipe is connected to hydrospace out.Existing disc of pump body of multi-stage pump
Generally there are following technical problems: 1. stainless steel materials are more, consume more resource, higher cost；2, according to cast iron quality, then
Weight weight, and intensity is inadequate, it is more crisp, it is easily broken off, the runner of 3. inlet tubes is shorter, causes net positive suction head big；4. water inlet pipe
The runner that water inlet 13 and water inlet space 112 are formed, is divergent contour (i.e. sectional area becomes larger suddenly), causes head loss big.
Summary of the invention
A kind of disc of pump body of multi-stage pump is provided utility model aims to solve the above problem of the existing technology, is pumped
Body is separate structure, and different piece can use unlike material, can reduce weight, and can be energy saving, reduce cost, also
Can proof strength, improve service life；In addition, the central region of pump case bottom plate is arranged in water inlet, runner is gradually to expand,
Head loss is small；Moreover, water inlet pipe extends to the central region of pump case bottom plate outside pump case ring cover, water inlet pipe is one
Determine to be increased in degree, advantageously reduces net positive suction head.
What the above-mentioned technical purpose of the utility model mainly solved by the following technical programs: disc of pump body of multi-stage pump, including
Pump case with pump chamber, the water inlet pipe and outlet pipe for being arranged on the pump case and being connect with the pump chamber, it is characterised in that institute
The pump case ring cover that pump case includes pump case bottom plate He is assemblied on the pump case bottom plate is stated, water inlet is set on the pump case bottom plate
And water outlet, the water inlet pipe and outlet pipe are arranged on the pump case bottom plate, and are formed connect with inlet and outlet respectively
It is logical.The pump housing is separate structure (wherein pump case bottom plate, water inlet pipe and outlet pipe are structure as a whole), and different piece can be using difference
Material (such as pump case bottom plate is cast iron, and pump case ring cover is stainless steel), can reduce weight, and can be energy saving, reduce at
This, additionally it is possible to proof strength improves service life.
As further improving and supplementing to above-mentioned technical proposal, the utility model uses following technical measures: described
The central area of the pump case bottom plate is arranged in water inlet, and the neighboring area of the bottom plate is arranged in the water outlet.Water inlet
The central region of pump case bottom plate is set, and runner is gradually to expand, and avoids runner from sharply becoming larger, advantageously reduces head loss.
Moreover, water inlet pipe extends to the central region of pump case bottom plate outside pump case ring cover, water inlet pipe obtains to a certain extent
To growth, net positive suction head is advantageously reduced.
The inner surface of the water inlet pipe and outlet pipe and the pump case bottom plate cooperates, the outer surface setting of the pump case bottom plate
The edge of the pump case plate outer surface is arranged in outer flange collar and interior flange collar, the outer flange collar, and the interior flange collar is stood in the pump
The outer surface of shell bottom plate, and the water outlet and water inlet are isolated.
The outer wall of the interior flange collar is close to the water outlet.
Correspond to the region of the interior flange collar delineation direction centered on the center of the water inlet on the pump case bottom plate
The pump chamber direction gradually indent.
The water inlet pipe and outlet pipe include flat segments and arc section, the axis of the flat segments and the pump case bottom plate
It is arranged in parallel, the arc section is for cooperating the water inlet pipe and outlet pipe with the corresponding inlet and outlet.
The pump case bottom plate, the water inlet pipe and the outlet pipe are structure as a whole, stainless steel material, the pump case ring cover
Body is cast iron quality.
The pump case ring cover snaps on the pump case bottom plate, two notches is arranged on the pump case ring cover, respectively
For being passed through for the water inlet pipe and outlet pipe.
Snapping bulge loop seam allowance is set on the pump case bottom plate, and the pump case ring cover snaps onto the snapping bulge loop seam allowance
On.
The utility model has the advantages that the 1, pump housing is separate structure, and pump case bottom plate, water inlet pipe and outlet pipe are one
Body structure is stainless steel material, and pump case ring cover is cast iron quality, can reduce weight, and can be energy saving, reduce at
This, additionally it is possible to proof strength improves service life.2, the central region of pump case bottom plate is arranged in water inlet, and runner is gradually to expand
Greatly, head loss is small.3, water inlet pipe extends to the central region of pump case bottom plate outside pump case ring cover.4, water inlet pipe exists
Increased to a certain extent, advantageously reduces net positive suction head.
Detailed description of the invention
Fig. 1 be the utility model relates to the prior art a kind of schematic perspective view.
Fig. 2 is the schematic cross-sectional view of Fig. 1.
Fig. 3 is a kind of configuration schematic diagram of the utility model.
Fig. 4 is a kind of schematic perspective view of the utility model.
Fig. 5 is a kind of schematic cross-sectional view of the utility model.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: as shown in Fig. 3, Fig. 4 and Fig. 5, disc of pump body of multi-stage pump is arranged including the pump case 1 with pump chamber in the pump
The water inlet pipe and outlet pipe being connect on shell and with the pump chamber.The pump case includes pump case bottom plate 11 and is assemblied in the pump case bottom
Water inlet 12 and water outlet 13, the water inlet pipe 14 and outlet pipe 15 are arranged on the pump case bottom plate for pump case ring cover 2 on plate
It is arranged on the pump case bottom plate 11, and is connected to respectively with water inlet 12 and the formation of water outlet 13.The pump housing be separate structure (wherein
Pump case bottom plate, water inlet pipe and outlet pipe are structure as a whole), different piece can use unlike material (such as pump case bottom plate for cast iron,
Pump case ring cover is stainless steel), weight can be reduced, and can be energy saving, reduce cost, additionally it is possible to which proof strength improves
Service life.
Preferably, the central area of the pump case bottom plate 11 is arranged in the water inlet 12, the water outlet 13 is arranged
In the neighboring area of the pump case bottom plate.The central region of pump case bottom plate is arranged in water inlet, and runner is gradually to expand, and avoids flowing
Road sharply becomes larger, and advantageously reduces head loss.Moreover, water inlet pipe extends to pump case bottom plate outside pump case ring cover
Central region, water inlet pipe are increased to a certain extent, advantageously reduce net positive suction head.
The inner surface of the water inlet pipe 14 and outlet pipe 15 and the pump case bottom plate 11 cooperates, the appearance of the pump case bottom plate
Outer flange collar 16 and interior flange collar 17 is arranged in face, and the edge of 11 outer surface of pump case bottom plate is arranged in the outer flange collar 16, described interior
Flange collar 17 is stood in the outer surface of the pump case bottom plate 11, and the water outlet 13 and water inlet 12 are isolated.
In order to keep interior zone bigger, the outer wall of the interior flange collar 17 is close to the water outlet 13.
Correspond to during the region that the interior flange collar 17 is drawn a circle to approve with the center of the water inlet 12 is on the pump case bottom plate 11
The heart is towards 21 direction of pump chamber gradually indent.
The water inlet pipe 14 and outlet pipe 15 include flat segments and arc section, the axis of the flat segments and the pump case
Bottom plate is arranged in parallel, and the arc section is for matching the water inlet pipe and outlet pipe with the corresponding inlet and outlet
It closes.
The pump case bottom plate 11, the water inlet pipe 14 and the outlet pipe 15 are structure as a whole, and are stainless steel material, described
Pump case ring cover 2 is cast iron quality.
The pump case ring cover 2 snaps on the pump case bottom plate 11, and two notches are arranged on the pump case ring cover 2
22, it is respectively used to pass through for the water inlet pipe 14 and outlet pipe 15.
In order to facilitate connection, snapping bulge loop seam allowance 18 is set, the pump case ring cover 2 snaps on the pump case bottom plate 11
On the snapping bulge loop seam allowance 18.
For the intensity of increasing pump girdle cover 2, oblique pull wall 23 is set on the inner wall of pump case ring cover 2, oblique pull wall 23
The inner surface in pump case bottom plate 11 is contradicted on one side.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model.Above-mentioned
In embodiment, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, made
Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this utility model.
Claims (10)
1. disc of pump body of multi-stage pump, including the pump case with pump chamber, the water inlet pipe that is arranged on the pump case and is connect with the pump chamber
And outlet pipe, it is characterised in that the pump case includes pump case bottom plate and the pump case ring cover that is assemblied on the pump case bottom plate, institute
It states and inlet and outlet is set on pump case bottom plate, the water inlet pipe and outlet pipe are arranged on the pump case bottom plate, and respectively
It is connected to inlet and outlet formation.
2. disc of pump body of multi-stage pump according to claim 1, it is characterised in that the pump case bottom plate is arranged in the water inlet
The neighboring area of the pump case bottom plate is arranged in central area, the water outlet.
3. disc of pump body of multi-stage pump according to claim 2, it is characterised in that the water inlet pipe and outlet pipe and the pump case bottom
The inner surface of plate cooperates, and outer flange collar and interior flange collar is arranged in the outer surface of the pump case bottom plate, and the outer flange collar is arranged in the pump
The edge of shell plate outer surface, the interior flange collar are stood in the outer surface of the pump case bottom plate, and by the water outlet and water inlet
It is isolated.
4. disc of pump body of multi-stage pump according to claim 3, it is characterised in that the outer wall of the interior flange collar is close to the water outlet.
5. disc of pump body of multi-stage pump according to claim 4, it is characterised in that correspond to the interior flange collar on the pump case bottom plate
The region of delineation is centered on the center of the water inlet towards the pump chamber direction gradually indent.
6. disc of pump body of multi-stage pump according to any one of claims 1-5, it is characterised in that the water inlet pipe and outlet pipe are equal
Including flat segments and arc section, the axis of the flat segments is arranged in parallel with the pump case bottom plate, and the arc section is for making institute
Water inlet pipe and outlet pipe is stated to cooperate with the corresponding inlet and outlet.
7. disc of pump body of multi-stage pump according to any one of claims 1-5, it is characterised in that the pump case bottom plate, the water inlet
Pipe and the outlet pipe are structure as a whole, and are stainless steel material, and the pump case ring cover is cast iron quality.
8. disc of pump body of multi-stage pump according to claim 6, it is characterised in that the pump case bottom plate, the water inlet pipe and it is described go out
Water pipe is structure as a whole, and is stainless steel material, and the pump case ring cover is cast iron quality.
9. disc of pump body of multi-stage pump according to any one of claims 1-5, it is characterised in that the pump case ring cover snaps onto
On the pump case bottom plate, two notches are set on the pump case ring cover, are respectively used to pass through for the water inlet pipe and outlet pipe.
10. disc of pump body of multi-stage pump according to claim 9, it is characterised in that snapping bulge loop is arranged on the pump case bottom plate and stops
Mouthful, the pump case ring cover snaps on the snapping bulge loop seam allowance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820909340.XU CN208634044U (en) | 2018-06-12 | 2018-06-12 | Disc of pump body of multi-stage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820909340.XU CN208634044U (en) | 2018-06-12 | 2018-06-12 | Disc of pump body of multi-stage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634044U true CN208634044U (en) | 2019-03-22 |
Family
ID=65735285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820909340.XU Active CN208634044U (en) | 2018-06-12 | 2018-06-12 | Disc of pump body of multi-stage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208634044U (en) |
-
2018
- 2018-06-12 CN CN201820909340.XU patent/CN208634044U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210609 Address after: 317525 Ocean City Industrial Zone, Dashi Town, Wenling City, Taizhou, Zhejiang Patentee after: SHIMGE PUMP (ZHEJIANG) Co.,Ltd. Address before: 317525 Sanchi Cave Village, Daxi Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: SHIMGE PUMP INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right |