CN205533270U - High -efficient self priming pump of combined type - Google Patents
High -efficient self priming pump of combined type Download PDFInfo
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- CN205533270U CN205533270U CN201620082499.XU CN201620082499U CN205533270U CN 205533270 U CN205533270 U CN 205533270U CN 201620082499 U CN201620082499 U CN 201620082499U CN 205533270 U CN205533270 U CN 205533270U
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Abstract
The utility model provides a high -efficient self priming pump of combined type, the scribing cavity sets up in the anterior cavity of sealed box, and the scribing cavity is the loop forming element, and the pump shaft passes the scribing cavity, the anterior cavity and the pump shaft eccentric settings of sealed box, scribing cavity and pump shaft be eccentric settings still, have between pump shaft and the scribing cavity install the pump epaxial oneself inhale the axle sleeve, inhale certainly and establish the bar scribing that a plurality of is on a parallel with the pump shaft axis between rear portion and the above -mentioned scribing cavity of axle sleeve, be equipped with two relative through -holes on the scribing cavity, promptly suction port and exhaust port. Compared with the prior art, the utility model have from the time of inhaling short, inhale journey height, advantage such as efficient.
Description
Technical field the utility model relates to a kind of pump, particularly relates to a kind of self priming pump.
Background technology self priming pump is to apply more pump class in industrial production, and the basic structure of tradition self priming pump is:
Having inside the pump case of fluid inlet and outlet and be provided with impeller, it is fixed on the front end of horizontal pump shaft by impeller nut,
Pump shaft is placed through the bearing bracket stand at pump case rear portion, and rear end is positioned at outside bearing bracket stand housing, wherein the front end of bearing bracket stand
It is connected with the rear end of pump case by bolt；In bearing bracket stand housing, front portion is provided with front roll bearing, bearing bracket stand housing
Interior rear portion sets rear rolling bearing, front roll bearing and rear rolling bearing and is each provided between pump shaft and bearing bracket stand, and
And they are fixed by the bearing gland being connected with bearing bracket stand, the lower end of bearing bracket stand connects underframe also by bolt,
The rear portion of impeller is provided with the pump cover being enclosed within pump shaft, and this pump cover is provided with the ring of evagination, and this ring is located at described pump
Between shell and bearing bracket stand, it is provided with, in the die cavity that pump cover and link are formed, the seal case being enclosed within pump shaft,
This seal case is bolted on the rear portion of pump cover, the rear cavity of described seal case have axle sleeve and
Mechanical seal, axle sleeve is arranged on pump shaft, sets mechanical seal between axle sleeve and seal case.This structure
The shortcomings such as it is long that self priming pump exists self-priming time, and suction lift is low, and efficiency is low.
Summary of the invention the purpose of this utility model is to provide that a kind of self-priming time is short, suction is high, efficiency is high
Compound efficient self priming pump.
Improvement on the basis of the utility model tradition self priming pump the most again, concrete technical scheme is as follows:
The utility model mainly includes pump case, pump shaft, impeller, bearing bracket stand, forward and backward rolling bearing and
Mechanical seal, wherein has inside the pump case of fluid inlet and outlet and is provided with impeller, and it is fixed on by impeller nut
The front end of horizontal pump shaft, pump shaft is placed through the bearing bracket stand at pump case rear portion, and rear end is positioned at outside bearing bracket stand housing,
Wherein the front end of bearing bracket stand is connected with the rear end of pump case by bolt；In bearing bracket stand housing, front portion is provided with front rolling
Bearing, in bearing bracket stand housing, rear portion sets rear rolling bearing, and front roll bearing and rear rolling bearing are each provided at pump shaft
And between bearing bracket stand, and they are fixed by the bearing gland being connected with bearing bracket stand, and the lower end of bearing bracket stand is also
Being bolted underframe, the rear portion of impeller is provided with the pump cover being enclosed within pump shaft, and this pump cover is provided with evagination
Ring, this ring is located between described pump case and bearing bracket stand, is provided with and is enclosed within the die cavity that pump cover and link are formed
Seal case on pump shaft, this seal case is bolted on the rear portion of pump cover, described seal case
Rear cavity has axle sleeve and mechanical seal, and axle sleeve is arranged on pump shaft, sets machine between axle sleeve and seal case
Tool seals；The utility model also includes self-priming assembly, suction line and gas exhaust piping, described self-priming group
Part includes scribing cavity, self-priming axle sleeve, scribing and spring, and wherein scribing cavity is arranged on seal case
Front cavity in, scribing cavity is annular element, above-mentioned pump shaft pass scribing cavity；Above-mentioned seal case
Front cavity and pump shaft eccentric setting, scribing cavity and pump shaft still eccentric setting, described pump shaft and scribing cavity
Between there is the self-priming axle sleeve being arranged on pump shaft, the axially forward portion of self-priming axle sleeve is arranged on the centre bore of pump cover
In, the axially rear of self-priming axle sleeve is arranged in the front cavity of seal case；The rear portion of described self-priming axle sleeve
And set several bar shaped scribings being parallel to pump shaft axis, the width of the most each scribing between above-mentioned scribing cavity
Degree direction one end is all plugged in the bar shape trench hole A on self-priming axle sleeve, and each slotted eye of self-priming axle sleeve
Being respectively provided with some springs in A, one end of spring connects with the bottom land of slotted eye A, and the other end of spring stretches into
In slotted eye B in scribing；Width the other end of described each scribing connects with the inwall of scribing cavity；
Described scribing cavity is provided with relative two through hole, i.e. inlet hole and tap；The one of described suction line
End is connected through seal case with suction hole, the other end of suction line and the fluid suction casing of above-mentioned pump case
It is connected, described suction line sets valve A；One end of described gas exhaust piping passes seal case and exhaust
Hole is connected, and the other end of gas exhaust piping is arranged on the outside of bearing bracket stand, and described gas exhaust piping sets valve B.
Further, the utility model also includes a liquid filling pipeline, and this liquid filling pipeline is by pipeline and three
Pass joint composition, this liquid filling pipeline includes an inlet, two liquid outlets, and one of them liquid outlet is worn
Cross bearing bracket stand to be connected with the rear cavity of seal case, another liquid outlet of liquid filling pipeline and described pump case
Fluid discharge section be connected；Described liquid filling pipeline sets valve C, liquid filling pipeline near communication seals box location
Valve D is set near inlet position.
The utility model is self-priming centrifugal pump and scribing formula self-priming impeller (self-priming assembly) being combined into one
Formula centrifugal pump, this Combined type self-priming pump is when extracting liquid level less than centrifugal pump, it is possible to use from phyllidium
Wheel evacuates the gas in centrifugal pump suction line, makes to be pumped liquid and enters centrifugal pump under the effect of pressure differential
In, thus completing self-priming process so that centrifugal pump possesses normal operating conditions.The utility model operationally,
Before pump startup, close pump discharge, open valve D, valve B, valve A and valve C, at pouring pipe
After road adds appropriate amount of fluid, mechanical seal is rinsed, starts pump, by pump cover, self-priming assembly and sealing
Casing (5) composition scribing formula vacuum pump structure, is inhaled the gas in centrifugal pump inlet pipeline by suction line
Entering in scribing chamber, gas is discharged by gas exhaust piping under self-priming impeller effect, such centrifugal pump inlet pipeline
In gas endlessly under the effect of self-priming impeller, discharge in gas exhaust piping, until centrifugal pump shell
The interior hydraulically full state reaching to work, self-priming impeller completes self-priming process, closes each valve.
The utility model compared with prior art has the advantage that
1, the gas in anticentripetal spiral casing suction line can be evacuated in a short period of time, complete self-priming process,
And suction is high, through test, can complete the self-priming process of centrifugal pump in 15S, suction lift is up to 8-9m；
2. operating efficiency is high, safeguards and easy to maintenance, and service life is long；
3, self-priming impeller and centrifugal impeller share mechanical seal, simple in construction, compact.
Description of drawings 1 is that master of the present utility model regards generalized section.
Fig. 2 is the schematic cross-section of the utility model self-priming assembly.
Detailed description of the invention the most just combines accompanying drawing and elaborates the utility model
As depicted in figs. 1 and 2, pump case 1 inside with fluid inlet and outlet is provided with impeller 2, and it passes through impeller
Nut is fixed on the front end of horizontal pump shaft 3, and pump shaft is placed through the bearing bracket stand 4 at pump case rear portion, and rear end is positioned at axle
Outside bolster housing, wherein the front end of bearing bracket stand is connected with the rear end of pump case by bolt；Before in bearing bracket stand housing
Portion is provided with front roll bearing 5, and in bearing bracket stand housing, rear portion sets rear rolling bearing 6, front roll bearing and rear rolling
Bearing is each provided between pump shaft and bearing bracket stand, and they are fixed by the bearing gland being connected with bearing bracket stand,
The lower end of bearing bracket stand connects underframe also by bolt, and the rear portion of impeller is provided with the pump cover 7 being enclosed within pump shaft, this pump
Covering the ring being provided with evagination, this ring is located between described pump case and bearing bracket stand, and pump cover and link are formed
Being provided with the seal case 8 being enclosed within pump shaft in die cavity, this seal case is bolted on the rear portion of pump cover,
The rear cavity of described seal case has axle sleeve 9 and mechanical seal 10, and axle sleeve is arranged on pump shaft, axle sleeve
And set mechanical seal between seal case；Scribing cavity 11 is arranged in the front cavity of seal case, scribing
Cavity is the annular element that external diameter is identical with the front cavity internal diameter of seal case, and above-mentioned pump shaft passes scribing cavity；
The front cavity of above-mentioned seal case and pump shaft eccentric setting, scribing cavity and pump shaft still eccentric setting, described
Having the self-priming axle sleeve 12 being arranged on pump shaft between pump shaft and scribing cavity, the axially forward portion of self-priming axle sleeve sets
Putting in the centre bore of pump cover, the axially rear of self-priming axle sleeve is arranged in the front cavity of seal case；Institute
State and between the rear portion of self-priming axle sleeve and above-mentioned scribing cavity, set 4 bar shaped scribings 13 being parallel to pump shaft axis,
The width one end of the most each scribing is all plugged in the bar shape trench hole 14 on self-priming axle sleeve, and from
Being respectively provided with 5 springs 15 in inhaling each slotted eye 14 of axle sleeve, one end of spring connects with the bottom land of slotted eye 14,
The other end of spring stretches in the slotted eye 16 in scribing；Width the other end of described each scribing with draw
The inwall of sheet cavity connects；Described scribing cavity is provided with relative two through hole, i.e. inlet hole 17 and discharge
Hole 18；One end of suction line 19 is connected with suction hole through seal case, the other end of suction line and
The fluid suction casing of above-mentioned pump case is connected, and described suction line sets valve 20；One end of gas exhaust piping 21
Being connected through seal case with steam vent, the other end of gas exhaust piping is arranged on the outside of bearing bracket stand, described
Valve 22 is set on gas exhaust piping；Liquid filling pipeline 23 is made up of pipeline and three-way connection, this liquid filling pipeline bag
Including an inlet 24, two liquid outlets, after one of them liquid outlet 25 passes bearing bracket stand and seal case
Portion's cavity is connected, and another liquid outlet 26 of liquid filling pipeline is discharged section with the fluid of described pump case and is connected；
Described liquid filling pipeline sets valve 27 near communication seals box location, and liquid filling pipeline sets valve near inlet position
Door 28.
Claims (2)
1. a compound efficient self priming pump, including pump case, pump shaft, impeller, bearing bracket stand, forward and backward rolling
Bearing and mechanical seal, wherein have inside the pump case of fluid inlet and outlet and be provided with impeller, and it passes through impeller spiral shell
Mother is fixed on the front end of horizontal pump shaft, and pump shaft is placed through the bearing bracket stand at pump case rear portion, and rear end is positioned at bearing bracket stand
Outside housing, wherein the front end of bearing bracket stand is connected with the rear end of pump case by bolt；In bearing bracket stand housing, front portion sets
Having front roll bearing, in bearing bracket stand housing, rear portion sets rear rolling bearing, and front roll bearing is equal with rear rolling bearing
It is located between pump shaft and bearing bracket stand, and they are fixed by the bearing gland being connected with bearing bracket stand, bearing bracket stand
Lower end connect underframe also by bolt, the rear portion of impeller is provided with the pump cover being enclosed within pump shaft, and this pump cover sets
Having the ring of evagination, this ring is located between described pump case and bearing bracket stand, in the die cavity that pump cover and link are formed
Being provided with the seal case being enclosed within pump shaft, this seal case is bolted on the rear portion of pump cover, described close
The rear cavity of joint sealing body has axle sleeve and mechanical seal, and axle sleeve is arranged on pump shaft, axle sleeve and seal case
Between set mechanical seal；It is characterized in that: also include self-priming assembly, suction line and gas exhaust piping, institute
Stating self-priming assembly and include scribing cavity, self-priming axle sleeve, scribing and spring, wherein scribing cavity is arranged on
In the front cavity of seal case, scribing cavity is annular element, and above-mentioned pump shaft passes scribing cavity；Above-mentioned close
The front cavity of joint sealing body and pump shaft eccentric setting, scribing cavity and pump shaft still eccentric setting, described pump shaft with
Having the self-priming axle sleeve being arranged on pump shaft between scribing cavity, the axially forward portion of self-priming axle sleeve is arranged on pump cover
Centre bore in, the axially rear of self-priming axle sleeve is arranged in the front cavity of seal case；Described self-priming axle
Several bar shaped scribings being parallel to pump shaft axis are set between rear portion and the above-mentioned scribing cavity of set, the most each
The width one end of scribing is all plugged in the bar shape trench hole A on self-priming axle sleeve, and self-priming axle sleeve
Being respectively provided with some springs in each slotted eye A, one end of spring connects with the bottom land of slotted eye A, spring another
One end is stretched in the slotted eye B in scribing；Width the other end of described each scribing and scribing cavity
Inwall connects；Described scribing cavity is provided with relative two through hole, i.e. inlet hole and tap；Described suction
One end of air pipe is connected through seal case with suction hole, the other end of suction line and above-mentioned pump case
Fluid suction casing is connected, and described suction line sets valve A；One end of described gas exhaust piping is through sealing
Casing is connected with steam vent, and the other end of gas exhaust piping is arranged on the outside of bearing bracket stand, described gas exhaust piping
On set valve B.
Compound efficient self priming pump the most according to claim 1, is characterized in that: also include a liquid filling
Pipeline, this liquid filling pipeline is made up of pipeline and three-way connection, and this liquid filling pipeline includes an inlet,
Two liquid outlets, one of them liquid outlet is connected through bearing bracket stand with the rear cavity of seal case, liquid filling
Another liquid outlet of pipeline is discharged section with the fluid of described pump case and is connected；Described liquid filling pipeline is near connection
Seal case position sets valve C, and liquid filling pipeline sets valve D near inlet position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620082499.XU CN205533270U (en) | 2016-01-27 | 2016-01-27 | High -efficient self priming pump of combined type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620082499.XU CN205533270U (en) | 2016-01-27 | 2016-01-27 | High -efficient self priming pump of combined type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533270U true CN205533270U (en) | 2016-08-31 |
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ID=56771372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620082499.XU Active CN205533270U (en) | 2016-01-27 | 2016-01-27 | High -efficient self priming pump of combined type |
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| Country | Link |
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| CN (1) | CN205533270U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604956A (en) * | 2016-01-27 | 2016-05-25 | 大连罗斯泵业有限公司 | Combined type efficient self-sucking pump |
| CN107313945A (en) * | 2017-07-26 | 2017-11-03 | 德清县东旭合金钢铸造有限公司 | A kind of large-scale alkali pump pump body structure |
| CN113027774A (en) * | 2020-06-19 | 2021-06-25 | 彭娜 | Drainage water replenishing device for sequentially starting pump sets of water station |
-
2016
- 2016-01-27 CN CN201620082499.XU patent/CN205533270U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604956A (en) * | 2016-01-27 | 2016-05-25 | 大连罗斯泵业有限公司 | Combined type efficient self-sucking pump |
| CN107313945A (en) * | 2017-07-26 | 2017-11-03 | 德清县东旭合金钢铸造有限公司 | A kind of large-scale alkali pump pump body structure |
| CN113027774A (en) * | 2020-06-19 | 2021-06-25 | 彭娜 | Drainage water replenishing device for sequentially starting pump sets of water station |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |