CN203412776U - Novel pipeline type shield pump - Google Patents
Novel pipeline type shield pump Download PDFInfo
- Publication number
- CN203412776U CN203412776U CN201320377438.2U CN201320377438U CN203412776U CN 203412776 U CN203412776 U CN 203412776U CN 201320377438 U CN201320377438 U CN 201320377438U CN 203412776 U CN203412776 U CN 203412776U
- Authority
- CN
- China
- Prior art keywords
- impeller
- pipe type
- canned motorpump
- novel pipe
- seam ring
- 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 - Lifetime
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Abstract
The utility model discloses a novel pipeline type shield pump, which comprises a base, a motor, a pump body, an impeller, a connecting disk, a seam ring and a back seam ring, wherein the motor is arranged in the base; the pump body is arranged below the base and is connected with the base through the connecting disk; the impeller is arranged in the pump body and is connected to the tail end of an output shaft of the motor; the seam ring is arranged at the inlet of the impeller, is sleeved to the outer side of the impeller and is connected with the pump body; the back seam ring is arranged on a back port of the impeller, is sleeved to the outer side of the impeller and is connected with the connecting disk. The novel pipeline shield type pump has the advantages of small discharging flow, high efficiency, convenience in use and long service life.
Description
Technical field
The utility model relates to a kind of pipe type canned motorpump, particularly, relates to a kind of Novel pipe type canned motorpump of efficient low-load.
Background technique
Pipe type canned motorpump has solved a difficult problem for conventional pump easy to leak, quick abrasion, has advantages of easy to maintenance, reliablely, is widely used in water system and hot-water heating system.Yet the impeller inlet of existing pipe type canned motorpump directly coordinates with pump housing entrance, the pump housing is cast iron, and impeller is also cast iron, and stuck in order to prevent from getting rusty, matching gap is larger, and vent flow is also just larger, has a strong impact on the efficiency of pump.In addition, back of the body choma and the land of existing pipe type canned motorpump are made into integration, and when canned motorpump is carried the media such as water, the long period gets rusty easily after stopping using stuck, and impact is used, and uses inconvenient.
Model utility content
For defect of the prior art, the purpose of this utility model is to provide a kind of Novel pipe type canned motorpump.
According to an aspect of the present utility model, a kind of Novel pipe type canned motorpump is provided, comprise: support, motor, the pump housing, impeller, land, motor is arranged in support, the pump housing is arranged on support below and is connected with support by land, impeller is arranged in the pump housing and is connected to the output shaft end of motor, this Novel pipe type canned motorpump also comprises seam ring and back of the body choma, the import cover that seam ring is arranged on impeller is connected to impeller outer side and is connected with the pump housing, and back of the body choma is arranged on impeller back of the body muzzle and is connected to impeller outside and is connected with land.
Preferably, on seam ring, be provided with attachment hole, seam ring is connected by attachment hole bolt with the pump housing.
Preferably, on back of the body choma, be provided with attachment hole, back of the body choma is connected by attachment hole bolt with land.
Preferably, the matching gap of seam ring and impeller is 0.2mm.
Preferably, seam ring adopts SUS304 stainless steel to make, and back of the body choma adopts SUS304 stainless steel to make, and impeller is made of copper.
Preferably, also comprise graphite bearing, the axle sleeve of graphite bearing and motor connects in succession, on the fitting surface of graphite bearing, is provided with groove, and groove is communicated with the bearing runner of graphite bearing.
Preferably, the quantity of groove is eight, each groove be arranged on graphite bearing each to along between the adjacent bearing runner of graphite bearing circumferential direction.
Preferably, eight grooves form the first spiral chute and two groups of spiral chutes of the second spiral chute, and every group of spiral chute comprises four grooves, wherein, the first spiral chute be take graphite bearing axle center as starting point extension from inside to outside in the shape of a spiral between each bearing runner, and the second spiral chute and the first spiral chute are symmetrical.
Compared with prior art, the utlity model has following beneficial effect: the utility model is installed stainless steel seam ring between the pump housing and impeller, and design copper impeller, matching gap between seam ring body and impeller is very little, can reach 0.2mm, form friction pair, vent flow is reduced greatly, effectively improved efficiency.And the utility model also designs back of the body choma and is connected with land, gets rusty after having avoided the pipe type canned motorpump long period to stop using stuck, easy to use.In addition, the utility model designs groove on the fitting surface of graphite bearing, and groove is communicated with bearing runner, and groove curl distributes.When canned motorpump operation, when axial pressure is large, the high pressure water in groove can produce thrust upwards, alleviates axial pressure, thereby reduces the load of thrust plate, improves thrust plate working life, effectively extends the working life of canned motorpump.And groove is communicated with bearing runner, can lubrication assistant graphite bearing.Therefore, compared with prior art, the utlity model has that vent flow is little, efficiency is high, the advantage of easy to use, long service life.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
The Novel pipe type shielding pump structure sectional view that Fig. 1 provides for the utility model;
Fig. 2 is the structural representation of the utility model embodiment's seam ring;
Fig. 3 is the structural representation of the utility model embodiment's back of the body choma;
Fig. 4 is the structural representation of the utility model embodiment's graphite bearing.
In figure: 1 be support, 2 for motor, 3 for the pump housing, 4 for impeller, 5 for choma till land, 6,7 for back of the body choma, 8 for graphite bearing, 81 for the fitting surface of graphite bearing, 82 for groove, 83 be bearing runner.
Embodiment
Below in conjunction with specific embodiment, the utility model is elaborated.Following examples will contribute to those skilled in the art further to understand the utility model, but not limit in any form the utility model.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement.These all belong to protection domain of the present utility model.
A kind of Novel pipe type canned motorpump, comprise: support, motor, the pump housing, impeller, land, motor is arranged in support, the pump housing is arranged on support below and is connected with support by land, impeller is arranged in the pump housing and is connected to the output shaft end of motor, this Novel pipe type canned motorpump also comprises seam ring and back of the body choma, and the import cover that seam ring is arranged on impeller is connected to impeller outer side and is connected with the pump housing, and back of the body choma is arranged on impeller back of the body muzzle and is connected to impeller outside and is connected with land.
Further, on seam ring, be provided with attachment hole, seam ring is connected by attachment hole bolt with the pump housing.On back of the body choma, be provided with attachment hole, back of the body choma is connected by attachment hole bolt with land.
Further, the matching gap of seam ring and impeller is 0.2mm.
Further, seam ring adopts SUS304 stainless steel to make, and back of the body choma adopts SUS304 stainless steel to make, and impeller is made of copper.
Further, also comprise graphite bearing, the axle sleeve of graphite bearing and motor connects in succession, on the fitting surface of graphite bearing, is provided with groove, and groove is communicated with the bearing runner of graphite bearing.
Further, the quantity of groove is eight, each groove be arranged on graphite bearing each to along between the adjacent bearing runner of graphite bearing circumferential direction.Eight grooves form the first spiral chute and two groups of spiral chutes of the second spiral chute, every group of spiral chute comprises four grooves, wherein, the first spiral chute be take graphite bearing axle center as starting point extension from inside to outside in the shape of a spiral between each bearing runner, and the second spiral chute and the first spiral chute are symmetrical.
The utility model is installed stainless steel seam ring between the pump housing and impeller, and designs copper impeller, and the matching gap between seam ring body and impeller is very little, can reach 0.2mm, forms friction pair, and vent flow is reduced greatly, has effectively improved efficiency.And the utility model also designs back of the body choma and is connected with land, gets rusty after having avoided the pipe type canned motorpump long period to stop using stuck, easy to use.In addition, the utility model designs groove on the fitting surface of graphite bearing, and groove is communicated with bearing runner, and groove curl distributes.When canned motorpump operation, when axial pressure is large, the high pressure water in groove can produce thrust upwards, alleviates axial pressure, thereby reduces the load of thrust plate, improves thrust plate working life, effectively extends the working life of canned motorpump.
Above specific embodiment of the utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned particular implementation, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (10)
1. a Novel pipe type canned motorpump, comprise: support, motor, the pump housing, impeller, land, described motor is arranged in described support, the described pump housing is arranged on described support below and is connected with described support by described land, described impeller is arranged in the described pump housing and is connected to the output shaft end of described motor, it is characterized in that, also comprise seam ring and back of the body choma, the import cover that described seam ring is arranged on described impeller is connected to described impeller outside and is connected with the described pump housing, described back of the body choma is arranged on described impeller back of the body muzzle and is connected to described impeller outside and is connected with described land.
2. Novel pipe type canned motorpump according to claim 1, is characterized in that, on described seam ring, is provided with attachment hole, and described seam ring is connected by described attachment hole bolt with the pump housing.
3. Novel pipe type canned motorpump according to claim 1, is characterized in that, on described back of the body choma, is provided with attachment hole, and described back of the body choma is connected by described attachment hole bolt with land.
4. Novel pipe type canned motorpump according to claim 1, is characterized in that, the matching gap of described seam ring and described impeller is 0.2mm.
5. Novel pipe type canned motorpump according to claim 1, is characterized in that, described seam ring adopts SUS304 stainless steel to make.
6. Novel pipe type canned motorpump according to claim 1, is characterized in that, described back of the body choma adopts SUS304 stainless steel to make.
7. Novel pipe type canned motorpump according to claim 1, is characterized in that, described impeller is made of copper.
8. Novel pipe type canned motorpump according to claim 1, it is characterized in that, also comprise graphite bearing, the axle sleeve of described graphite bearing and described motor connects in succession, on the fitting surface of described graphite bearing, be provided with groove, described groove is communicated with the bearing runner of graphite bearing.
9. Novel pipe type canned motorpump according to claim 8, is characterized in that, the quantity of described groove is eight, described each groove be arranged on graphite bearing each to along between the adjacent bearing runner of graphite bearing circumferential direction.
10. Novel pipe type canned motorpump according to claim 8, it is characterized in that, described eight grooves form the first spiral chute and two groups of spiral chutes of the second spiral chute, every group of spiral chute comprises four grooves, wherein, the first spiral chute be take graphite bearing axle center as starting point extension from inside to outside in the shape of a spiral between each bearing runner, and the second spiral chute and the first spiral chute are symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320377438.2U CN203412776U (en) | 2013-06-27 | 2013-06-27 | Novel pipeline type shield pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320377438.2U CN203412776U (en) | 2013-06-27 | 2013-06-27 | Novel pipeline type shield pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412776U true CN203412776U (en) | 2014-01-29 |
Family
ID=49975666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320377438.2U Expired - Lifetime CN203412776U (en) | 2013-06-27 | 2013-06-27 | Novel pipeline type shield pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412776U (en) |
-
2013
- 2013-06-27 CN CN201320377438.2U patent/CN203412776U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
|
| CX01 | Expiry of patent term |