CN202954980U - Self-cooling centrifugal pump - Google Patents
Self-cooling centrifugal pump Download PDFInfo
- Publication number
- CN202954980U CN202954980U CN 201220644519 CN201220644519U CN202954980U CN 202954980 U CN202954980 U CN 202954980U CN 201220644519 CN201220644519 CN 201220644519 CN 201220644519 U CN201220644519 U CN 201220644519U CN 202954980 U CN202954980 U CN 202954980U
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- China
- Prior art keywords
- pump
- cover
- machine
- mechanical seal
- pump cover
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- 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 relates to a self-cooling centrifugal pump. The self-cooling centrifugal pump comprises a pump body, an impeller, a pump cover, a suspension frame and a shaft, wherein the pump cover is fixed at one side of the pump body, a pump cavity used for mounting the impeller is formed between the pump cover and the pump body, the suspension frame is fixed at one side of the pump cover, the shaft is born in the suspension frame through a bearing and one end of the shaft stretches into the pump cavity, a machine seal cavity used for mounting mechanical seal is arranged between the pump cover and the shaft, a machine seal pressure cover used for positioning the mechanical seal is arranged at the outer side of the pump cover, the machine seal cavity is in a bell mouth shape, and the big end of the machine seal cavity is located at one side of the pump body of the centrifugal pump. According to the self-cooling centrifugal pump, the machine seal cavity is in the bell mouth shape, and wash water of the pump body can easily enter the machine seal cavity to cool and lubricate the mechanical seal, so that a device for introducing water from a pump outlet to wash can be saved, therefore, the cost is saved, and the mounting is simple and convenient; and in addition, the machine seal cavity in the bell mouth shape increases the space, so that the friction between particulate matter and the mechanical seal is not prone to occur, and the damage of the mechanical seal is not caused.
Description
Technical field
The utility model relates to centrifugal pump, specifically a kind of from cooling centrifugal pump.
Background technique
Horizontal single-stage centrifugal pump as shown in Figure 1, comprise the pump housing 1, impeller 2, pump cover 3, machine sealed cover 4, suspension 5 and axle 6, pump cover 3 is fixed on a side of the pump housing 1, form the pump chamber that impeller 2 is installed between pump cover 3 and the pump housing 1, suspension 5 is fixed on a side of pump cover 3, axle 6 is bearing in suspension 5 by bearing and an end of axle 6 stretches in pump chamber, impeller 2 is arranged in the pump chamber of the pump housing 1 and is fixed on the end of axle 6, be provided with the machine sealing chamber 7 that mechanical seal is installed between pump cover 3 and axle 6, the outside of pump cover 3 is equipped with the machine sealed cover 4 of positioning mechanical sealing.
Above-mentioned centrifugal pump is for cooling and lubrication mechanical seal, between the outlet of the pump housing 1 and machine sealed cover 4, Rinsing unit is installed, rinse mechanical seal from outlet diversion to the machine sealed cover 4 of the pump housing 1, this structure has not only increased the manufacture cost of centrifugal pump, and installs loaded down with trivial details; In addition, the machine sealing chamber 7 of pump cover 3 is cylindrical, and space is less, if, while containing particulate matter in medium in use, easily cause the friction of particulate matter and mechanical seal, causes the damage of mechanical seal, and centrifugal pump is leaked.
Summary of the invention
The utility model is for the problems referred to above, provide a kind of simple in structure, cost is low from cooling centrifugal pump.
According to the technical solution of the utility model: a kind of from cooling centrifugal pump, comprise the pump housing, impeller, pump cover, suspension and axle, described pump cover is fixed on a side of the described pump housing, form the pump chamber that described impeller is installed between described pump cover and the described pump housing, described suspension is fixed on a side of described pump cover, described axle is bearing in described suspension by bearing and an end of described axle stretches in described pump chamber, be provided with the machine sealing chamber that mechanical seal is installed between described pump cover and described axle, the outside of described pump cover is equipped with the machine sealed cover of positioning mechanical sealing, described machine sealing chamber is toroidal, and the large end of described machine sealing chamber is positioned at a side of described centrifugal pump body.
The cone angle of described machine sealing chamber is 30 °.
Technique effect of the present utility model is: the machine sealing chamber in the utility model is toroidal, in the pump housing, the sparge water of self can be easy to enter in machine sealing chamber, cooling and lubricating mechanical seal, so just can save the device rinsed from the pump discharge diversion, not only saved cost, but also made to install easier; In addition, the machine sealing chamber of toroidal has strengthened space, if in use in medium, contain particulate matter, also is not easy to occur the friction between particulate matter and mechanical seal, can not cause the infringement of mechanical seal.
The accompanying drawing explanation
The structural representation that Fig. 1 is centrifugal pump of the prior art.
Fig. 2 is structural representation of the present utility model.
The structure cross-sectional schematic that Fig. 3 is the pump cover 3 in the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
In Fig. 1～Fig. 3, comprise the pump housing 1, impeller 2, pump cover 3, machine sealed cover 4, suspension 5, axle 6, machine sealing chamber 7, central through bore 8 etc.
As shown in Figure 2, the utility model is a kind of from cooling centrifugal pump, comprise the pump housing 1, impeller 2, pump cover 3, machine sealed cover 4, suspension 5 and axle 6, pump cover 3 is fixed on a side of the pump housing 1, form the pump chamber that impeller 2 is installed between pump cover 3 and the pump housing 1, suspension 5 is fixed on a side of pump cover 3, axle 6 is bearing in suspension 5 by bearing and an end of axle 6 stretches in pump chamber, impeller 2 is arranged in the pump chamber of the pump housing 1 and is fixed on the end of axle 6, be provided with the machine sealing chamber 7 that mechanical seal is installed between pump cover 3 and axle 6, the outside of pump cover 3 is equipped with the machine sealed cover 4 of positioning mechanical sealing.
As shown in Figure 3, pump cover 3 in above-mentioned centrifugal pump, comprise the central through bore 8 be arranged on pump cover 3, be provided with towards a side of centrifugal pump body 1 machine sealing chamber 7 be connected with central through bore 8 at central through bore 8, this machine sealing chamber 7 is toroidal, and the large end of machine sealing chamber 7 is positioned at a side of centrifugal pump body 1.The cone angle of machine sealing chamber 7 is preferably 30 °.
Claims (2)
1. one kind from cooling centrifugal pump, comprise the pump housing (1), impeller (2), pump cover (3), suspension (5) and axle (6), described pump cover (3) is fixed on a side of the described pump housing (1), form the pump chamber that described impeller (2) is installed between described pump cover (3) and the described pump housing (1), described suspension (5) is fixed on a side of described pump cover (3), described axle (6) is bearing in described suspension (5) by bearing and an end of described axle (6) stretches in described pump chamber, be provided with the machine sealing chamber (7) that mechanical seal is installed between described pump cover (3) and described axle (6), the outside of described pump cover (3) is equipped with the machine sealed cover (4) of positioning mechanical sealing, it is characterized in that: described machine sealing chamber (7) is toroidal, and the large end of described machine sealing chamber (7) is positioned at a side of centrifugal pump body (1).
According to claimed in claim 1 from cooling centrifugal pump, it is characterized in that: the cone angle of described machine sealing chamber (7) is 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220644519 CN202954980U (en) | 2012-11-29 | 2012-11-29 | Self-cooling centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220644519 CN202954980U (en) | 2012-11-29 | 2012-11-29 | Self-cooling centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202954980U true CN202954980U (en) | 2013-05-29 |
Family
ID=48460556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220644519 Expired - Lifetime CN202954980U (en) | 2012-11-29 | 2012-11-29 | Self-cooling centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202954980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927014A (en) * | 2012-11-29 | 2013-02-13 | 无锡艾比德泵业有限公司 | Self-cooling centrifugal pump |
-
2012
- 2012-11-29 CN CN 201220644519 patent/CN202954980U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927014A (en) * | 2012-11-29 | 2013-02-13 | 无锡艾比德泵业有限公司 | Self-cooling centrifugal pump |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130529 |