CN208169215U - A kind of centrifugal pump - Google Patents
A kind of centrifugal pump Download PDFInfo
- Publication number
- CN208169215U CN208169215U CN201820303940.1U CN201820303940U CN208169215U CN 208169215 U CN208169215 U CN 208169215U CN 201820303940 U CN201820303940 U CN 201820303940U CN 208169215 U CN208169215 U CN 208169215U
- Authority
- CN
- China
- Prior art keywords
- pump head
- head shell
- water
- filter net
- secondary filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is a kind of centrifugal pump, including pump head shell, shaft, motor and seal assembly, the bottom of the pump head shell is equipped with water inlet pipe straight down, primary filtration network and secondary filter net are equipped in the water inlet pipe, the primary filtration network is located at the lower section of the secondary filter net, the primary filtration network is magnetic filtration screen, and the aperture of the secondary filter net is less than the aperture of the primary filtration network；The bottom level direction of the pump head shell is equipped with iron filings efferent duct, and the top of the pump head shell is equipped with water filling port.Iron in the adsorbable water of primary filtration network, secondary filter net can prevent the gravel in water from entering in the pump head shell, avoid the gravel contained in the water for entering pump head enclosure interior from water inlet pipe and iron from entering in pump head shell, and scratch seal assembly；Water is injected into pump head shell from water filling port, water can wash away the intracorporal iron filings of pump head shell from iron filings efferent duct, and by scrap collection in scrap collection bag, and iron filings is avoided to scratch seal assembly.
Description
Technical field
The utility model relates to water pump technology more particularly to a kind of centrifugal pumps.
Background technique
Centrifugal pump be using impeller rotate and make water occur centrifugal movement come work, centrifugal pump include leaf pump head shell,
Shaft, motor and impeller, impeller are located at pump head enclosure interior, and impeller is connected by shaft with motor, and shaft is needed across pump head
Shell is connected with impeller；Centrifugal pump needs that water will be full of in pump head shell and water inlet pipe before activation, then starts motor, makes to turn
Axis and impeller drive water to do high speed rotary motion, and water occurs centrifugal movement, impeller outer edge is thrown toward, through on volute pump head shell
Water is transported to eminence from lower to realize by outlet pipe outflow.
Shaft and impeller drive water to do high speed rotary motion, generate negative pressure in pump head shell, thus by water from water inlet pipe source
Source is constantly pressed into pump head shell, however, needing seal assembly that can just make pump head shell between shaft and pump head shell
It is in water inlet pipe in the environment of a sealing, just can produce negative pressure in pump head shell.
But containing grittiness and iron from the water that water inlet pipe enters pump head enclosure interior, the diameter of gravel is greater than 2mm, sand
Gravel and iron can scratch seal assembly and to leak in pump head shell；Further, since impeller and pump head shell are by iron mostly
It is made, impeller and shaft can generate iron filings during driving water to do high speed rotary motion, and iron filings, which can also scratch seal assembly, to be made
It obtains and is leaked in pump head shell.
For this purpose, designing a kind of centrifugal pump, problem above is solved.
Summary of the invention
The utility model is to overcome the above deficiency, provides a kind of centrifugal pump, including pump head shell, shaft, motor and sealing
Component, the pump head shell are volute, impeller are equipped in the pump head shell, after the motor is located at the pump head shell
Side, the shaft are arranged forwards, and the impeller is connected by the shaft with the motor, and the shaft is from the pump head shell
The rear side of body passes through the rear wall of the pump head shell, and the seal assembly is located at the connection of the pump head shell and the shaft
Place；
The top of the pump head shell is equipped with outlet pipe straight up, and the bottom of the pump head shell is equipped with straight down
Water inlet pipe, the water inlet pipe is located at the front center of the impeller, be equipped in the water inlet pipe primary filtration network and time
Grade filter screen, the primary filtration network are located at the lower section of the secondary filter net, and the primary filtration network is magnetic filtration screen, institute
The aperture for stating secondary filter net is less than the aperture of the primary filtration network；
The bottom level direction of the pump head shell is equipped with iron filings efferent duct, and the top of the pump head shell is equipped with water filling
Mouthful.
Further, the pore size of the secondary filter net is 1-2mm.
Preferably, the secondary filter net is nylon filter.
Further, the end of the iron filings efferent duct is connected with scrap collection bag.
Preferably, the scrap collection bag is disposable plastic bag.
Further, valve is equipped on the water filling port and the iron filings efferent duct.
A kind of beneficial effect of centrifugal pump described in the utility model is：
1. the iron in the adsorbable water of primary filtration network, secondary filter net can prevent the gravel in water from entering the pump head shell
It is interior, avoid the gravel contained in the water for entering pump head enclosure interior from water inlet pipe and iron from entering in pump head shell, and scratch sealing
Component；
2. injecting water into pump head shell from water filling port, water can wash away the intracorporal iron filings of pump head shell from iron filings efferent duct,
And by scrap collection in scrap collection bag, iron filings is avoided to scratch seal assembly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the right view of Fig. 1；
Wherein：1- pump head shell；2- shaft；3- motor；4- seal assembly；5- impeller；6- scrap collection bag；7- water inlet
Pipe；8- outlet pipe；9- water filling port；10- iron filings efferent duct；11- primary filtration network；12- secondary filter net.
Specific embodiment
It is described in detail below with reference to the embodiments of the present invention referring to attached drawing.
As depicted in figs. 1 and 2, a kind of centrifugal pump, including pump head shell 1, shaft 2, motor 3 and seal assembly 4, the pump
Casing 1 is volute, is equipped with impeller 5 in the pump head shell 1, the motor 3 is located at the rear side of the pump head shell 1, described
Shaft 2 is arranged forwards, and the impeller 5 is connected by the shaft 2 with the motor 3, and the shaft 2 is from the pump head shell
1 rear side passes through the rear wall of the pump head shell 1, and the seal assembly 4 is located at the company of the pump head shell 1 and the shaft 2
Place is met, the seal assembly 4 is used to seal the junction of the impeller 5 and the shaft 2, and the motor 3 can drive the leaf
Wheel 5 is rotated clockwise along the central axis of the impeller 5；
The top of the pump head shell 1 is equipped with outlet pipe 8 straight up, and it is vertical that the bottom of the pump head shell 1 is equipped with
Downward water inlet pipe 7, the water inlet pipe 7 are located at the front center of the impeller 5, primary mistake are equipped in the water inlet pipe 7
Strainer 11 and secondary filter net 12, the primary filtration network 11 are located at the lower section of the secondary filter net 12, the primary filter
Net 11 is magnetic filtration screen, and the iron in the adsorbable water of magnetic filtration screen, the aperture of the secondary filter net 12 is less than described
The aperture of primary filtration network 11, the secondary filter net 12 can prevent the gravel in water from entering in the pump head shell 1；
The bottom level direction of the pump head shell 1 is equipped with iron filings efferent duct 10, and the top of the pump head shell 1 is equipped with note
The mouth of a river 9 injects water into the pump head shell 1 from the water filling port 9, and water can be by the iron filings in the pump head shell 1 from described
Iron filings efferent duct 10 washes away.
Further, the pore size of the secondary filter net 12 is 1-2mm.
Preferably, the secondary filter net 12 is nylon filter.
Further, the end of the iron filings efferent duct 10 is connected with scrap collection bag 6.
Preferably, the scrap collection bag 6 is disposable plastic bag.
Further, valve is equipped on the water filling port 9 and the iron filings efferent duct 10.
Application method：
When being centrifuged pump work, motor 3 is opened, motor 3 drives shaft 2 and impeller 5 to rotate clockwise, and drives impeller 5
Water in pump head shell 1 does high speed rotary motion, and centrifugal movement occurs for water, and water is thrown toward 5 outer rim of impeller, through volute pump head shell
Outlet pipe 8 on 1 flows out, and water is transported to eminence from lower to realize, shaft 2 and impeller 5 drive water to do high speed rotation fortune
It is dynamic, negative pressure is generated in pump head shell 1, so that water is endlessly pressed into pump head shell 1 from water inlet pipe 7, from water inlet pipe 7 into
Enter the water in pump head shell 1 and successively pass through primary filtration network 11 and secondary filter net 12, in the adsorbable water of primary filtration network 11
Iron, secondary filter net 12 can prevent the gravel in water from entering in the pump head shell 1, avoid entering pump head shell 1 from water inlet pipe 7
The gravel and iron contained in internal water enters in pump head shell 1, and scratches seal assembly.
When being centrifuged air pump inoperative, the valve on water filling port 9 and iron filings efferent duct 10 is opened, from water filling port 9 to pump head shell 1
Interior injection water, water can wash away the iron filings in pump head shell 1 from iron filings efferent duct 10, and by scrap collection in scrap collection bag 6
It is interior, avoid iron filings from scratching seal assembly.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of centrifugal pump, which is characterized in that described including pump head shell (1), shaft (2), motor (3) and seal assembly (4)
Pump head shell (1) is volute, is equipped with impeller (5) in the pump head shell (1), the motor (3) is located at the pump head shell (1)
Rear side, the shaft (2) is arranged forwards, and the impeller (5) is connected by the shaft (2) with the motor (3), described
Shaft (2) passes through the rear wall of the pump head shell (1) from the rear side of the pump head shell (1), and the seal assembly (4) is located at institute
State the junction of pump head shell (1) and the shaft (2)；
The top of the pump head shell (1) is equipped with outlet pipe (8) straight up, and the bottom of the pump head shell (1) is equipped with perpendicular
Straight downward water inlet pipe (7), the water inlet pipe (7) are located at the front center of the impeller (5), and the water inlet pipe (7) is interior
Equipped with primary filtration network (11) and secondary filter net (12), the primary filtration network (11) is located at the secondary filter net (12)
Lower section, the primary filtration network (11) are magnetic filtration screen, and the aperture of the secondary filter net (12) is less than the primary filter
The aperture of net (11)；
The bottom level direction of the pump head shell (1) is equipped with iron filings efferent duct (10), and the top of the pump head shell (1) is equipped with
Water filling port (9).
2. a kind of centrifugal pump according to claim 1, which is characterized in that the pore size of the secondary filter net (12) is
1-2mm。
3. a kind of centrifugal pump according to claim 2, which is characterized in that the secondary filter net (12) is nylon filter
Net.
4. a kind of centrifugal pump according to claim 1, which is characterized in that the end of the iron filings efferent duct (10) is connected with
Scrap collection bag (6).
5. a kind of centrifugal pump according to claim 4, which is characterized in that the scrap collection bag (6) is disposable plastic
Bag.
6. a kind of centrifugal pump according to claim 4, which is characterized in that the water filling port (9) and the iron filings efferent duct
(10) valve is equipped on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820303940.1U CN208169215U (en) | 2018-03-06 | 2018-03-06 | A kind of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820303940.1U CN208169215U (en) | 2018-03-06 | 2018-03-06 | A kind of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169215U true CN208169215U (en) | 2018-11-30 |
Family
ID=64385486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820303940.1U Expired - Fee Related CN208169215U (en) | 2018-03-06 | 2018-03-06 | A kind of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664128A (en) * | 2020-06-22 | 2020-09-15 | 王飞飞 | New energy automobile cooling water pump |
-
2018
- 2018-03-06 CN CN201820303940.1U patent/CN208169215U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664128A (en) * | 2020-06-22 | 2020-09-15 | 王飞飞 | New energy automobile cooling water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20210306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |