CN104675712A - Low-temperature transfer injection pump - Google Patents
Low-temperature transfer injection pump Download PDFInfo
- Publication number
- CN104675712A CN104675712A CN201510070989.8A CN201510070989A CN104675712A CN 104675712 A CN104675712 A CN 104675712A CN 201510070989 A CN201510070989 A CN 201510070989A CN 104675712 A CN104675712 A CN 104675712A
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- China
- Prior art keywords
- motor
- pump housing
- impeller
- bearing
- end cap
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Abstract
The invention relates to a low-temperature transfer injection pump, which is small in size, light in mass, high in working efficiency, strong in adaptability, long in service life and good in stability. The low-temperature transfer injection pump comprises a motor, a motor enclosure and a pump body, wherein the motor is arranged in the motor enclosure, and a spray nozzle and a wiring post are arranged on the upper surface of an enclosure upper end cover of the top part of the motor enclosure; a first bearing is arranged at the center position of the bottom part of the enclosure upper end cover, and the bottom part of the motor enclosure is connected with the top part of a pump body rear cover through a sealing structure; the pump body rear cover is connected with a volute; an impeller is arranged in the volute, and a rear cover plate of the impeller is arranged at the bottom part of the pump body rear cover; a liquid outlet is formed in a position, which corresponds to an outlet of the impeller, of the side wall of the volute; a second bearing is arranged in the pump body rear cover and is positioned at the top part of the rear cover plate of the impeller; the top part of a main shaft of the motor is connected with the first bearing, and the bottom part of the main shaft of the motor is connected with the impeller by penetrating through the second bearing; the enclosure upper end cover is connected with the pump body rear cover through a long bolt, and the pump body rear cover is connected with the volute through a short bolt.
Description
Technical field
The present invention relates to liquor pump technical field, especially a kind of low temperature metaideophone pump.
Background technique
At present, the motor of existing low temperature metaideophone pump is all connected by coupling with between the pump housing, and its working principle is connected with pump by coupling by motor, and running up and then sucking liquid of drive pump increases its pressure and then exported.The structure that such pump housing is connected by coupling with motor, its working efficiency is directly connected low than motor with the pump housing.In addition, it is not one that the pump housing and motor separate, and they are mainly sealed by packing shaft seal mode or employing mechanical seal mode therebetween, are that any sealing means all can not ensure to accomplish absolutely to seal between the pump housing and motor.In addition, the long-term fever work of motor also can make a big impact to the life-span of motor.
Summary of the invention
The invention provides a kind of low temperature metaideophone pump, technical problem to be solved is that existing low temperature metaideophone pump work efficiency is lower, the pump housing and motor are provided separately, and cannot accomplish absolutely sealing therebetween and the problem in the motor feels hot work influence its working life.
The technological scheme that the present invention solves the problems of the technologies described above is as follows: a kind of low temperature metaideophone pump, comprises motor, motor case and the pump housing; The described pump housing comprises spiral case and pump housing bonnet; Described motor is located in described motor case, and the top of described motor case is provided with casing upper end cap, and the upper surface of described casing upper end cap is provided with and the mouth spray be communicated with in described motor case and several wiring terminals; The place of bottom centre of described casing upper end cap is provided with clutch shaft bearing, and the bottom of described motor case and the top of described pump housing bonnet are linked together by sealing configuration; The bottom of described pump housing bonnet is fixedly connected with described spiral case; Be provided with impeller in described spiral case, the back shroud of described impeller is fixedly installed on the bottom of described pump housing bonnet; On the sidewall of described spiral case, the outlet port of corresponding described impeller is connected with liquid outlet; The inside of described pump housing bonnet, the top place of back shroud being positioned at described impeller are provided with the second bearing; The top of the main shaft of described motor is connected with described clutch shaft bearing, and the bottom of the main shaft of described motor is connected with described impeller through described second bearing; Described casing upper end cap and described pump housing bonnet are connected and fixed by stay bolt and are sandwiched in therebetween by described motor case, and described pump housing bonnet and described spiral case are connected and fixed by lag bolt.
The invention has the beneficial effects as follows: not only volume is little, quality light in the present invention, and the pump housing is directly connected with motor, and impeller is directly installed on the main shaft of motor, improves transmission efficiency; Motor case is communicated with the pump housing, only needs static seal between the two, and does not need motive sealing, and sealing effect greatly increases, and the adaptability of the present invention to working environment is greatly increased; Motor infiltrates in the cryogenic liquide transmitted, and avoids the high temperature operation of motor, makes the life-span of motor obtain prolongation; Adopt the spray lubrication of top low temperature liquid, ensure that the steady running of each part and desirable operating temperature in the mode of selflubricating, thus improve working efficiency of the present invention and stability.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described mouth spray is located at the top center place of described casing upper end cap.
Adopt the beneficial effect of above-mentioned further scheme be make the spray lubrication of part more comprehensive.
Further, in the described pump housing, be positioned at above described second bearing and be fixedly installed Balance disc, the bottom of the main shaft of described motor is connected with described impeller with described second bearing through described Balance disc from top to bottom successively.
Adopt the beneficial effect of above-mentioned further scheme to be make the rotation of main shaft more stable, improve the working life of motor.
Further, several fixing lug boss are provided with outside the sidewall of described spiral case.
The beneficial effect of above-mentioned further scheme is adopted to be convenient to the present invention to be fixedly connected on other peripheral components.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention;
Fig. 2 is front sectional view of the present invention;
Fig. 3 is plan view of the present invention;
Fig. 4 is worm's eye view of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, motor, 2, motor case, 3, pump housing bonnet, 4, casing upper end cap, 5, mouth spray, 6, wiring terminal, 7, clutch shaft bearing, 8, spiral case, 9, impeller, 10, liquid outlet, the 11, second bearing, 12, main shaft, 13, stay bolt, 14, lag bolt, 15, Balance disc, 16, fixing lug boss.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of low temperature metaideophone pump, comprises motor 1, motor case 2 and the pump housing; The described pump housing comprises spiral case 8 and pump housing bonnet 3; Described motor 1 is located in described motor case 2, and the top of described motor case 2 is provided with casing upper end cap 4, the mouth spray 5 in the upper surface of described casing upper end cap 4 is provided with and is communicated with described motor case 2 and several wiring terminals 6; The place of bottom centre of described casing upper end cap 4 is provided with clutch shaft bearing 7, and the bottom of described motor case 2 and the top of described pump housing bonnet 3 are linked together by sealing configuration; The bottom of described pump housing bonnet 3 is fixedly connected with described spiral case 8; Be provided with impeller 9 in described spiral case 8, the back shroud of described impeller 9 is fixedly installed on the bottom of described pump housing bonnet 3; On the sidewall of described spiral case 8, the outlet port of corresponding described impeller 9 is connected with liquid outlet 10; The inside of described pump housing bonnet 3, the top place being positioned at the back shroud of described impeller 9 are provided with the second bearing 11; The top of the main shaft 12 of described motor 1 is connected with described clutch shaft bearing 7, and the bottom of the main shaft 12 of described motor 1 is connected with described impeller 9 through described second bearing 11; Described casing upper end cap 4 is connected and fixed by stay bolt 13 with described pump housing bonnet 3 and is sandwiched in therebetween by described motor case 2, and described pump housing bonnet 3 is connected and fixed by lag bolt 14 with described spiral case 8.
Described mouth spray 5 is located at the top center place of described casing upper end cap 4, makes the spray lubrication of part more comprehensive.
In the described pump housing 3, be positioned at above described second bearing 11 and be fixedly installed Balance disc 15, the bottom of the main shaft 12 of described motor 1 is connected with described impeller 9 with described second bearing 11 through described Balance disc 15 from top to bottom successively, make the rotation of main shaft 12 more stable, improve the working life of motor 1.
Be provided with several fixing lug boss 16 outside the sidewall of described spiral case 8, be convenient to the present invention to be fixedly connected on other peripheral components.
Working principle of the present invention is that motor 1 impeller 9 operates, cryogenic liquide is entered in the pump housing by pressure-raising by the bottom liquid inlet of spiral case 8, because the pump housing is communicated with motor case 2, therefore Low Temperature Liquid cognition is full of motor case 2 along with the running of impeller 9, by motor 1 complete wetting in cryogenic liquide, meanwhile, cryogenic liquide is discharged by liquid outlet 10.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a low temperature metaideophone pump, is characterized in that, comprises motor (1), motor case (2) and the pump housing; The described pump housing comprises spiral case (8) and pump housing bonnet (3); Described motor (1) is located in described motor case (2), the top of described motor case (2) is provided with casing upper end cap (4), and the upper surface of described casing upper end cap (4) is provided with and the mouth spray (5) be communicated with in described motor case (2) and several wiring terminals (6); The place of bottom centre of described casing upper end cap (4) is provided with clutch shaft bearing (7), and the bottom of described motor case (2) and the top of described pump housing bonnet (3) are linked together by sealing configuration; The bottom of described pump housing bonnet (3) is fixedly connected with described spiral case (8); Be provided with impeller (9) in described spiral case (8), the back shroud of described impeller (9) is fixedly installed on the bottom of described pump housing bonnet (3); On the sidewall of described spiral case (8), the outlet port of corresponding described impeller (9) is connected with liquid outlet (10); The inside of described pump housing bonnet (3), the top place being positioned at the back shroud of described impeller (9) are provided with the second bearing (11); The top of the main shaft (12) of described motor (1) is connected with described clutch shaft bearing (7), and the bottom of the main shaft (12) of described motor (1) is connected with described impeller (9) through described second bearing (11); Described casing upper end cap (4) and described pump housing bonnet (3) are connected and fixed by stay bolt (13) and are sandwiched in therebetween by described motor case (2), and described pump housing bonnet (3) and described spiral case (8) are connected and fixed by lag bolt (14).
2. a kind of low temperature metaideophone pump according to claim 1, it is characterized in that, described mouth spray (5) is located at the top center place of described casing upper end cap (4).
3. a kind of low temperature metaideophone pump according to claim 1 or 2, it is characterized in that, in described pump housing bonnet (3), be positioned at described second bearing (11) top and be fixedly installed Balance disc (15), the bottom of the main shaft (12) of described motor (1) is connected with described impeller (9) with described second bearing (11) through described Balance disc (15) from top to bottom successively.
4. a kind of low temperature metaideophone pump according to claim 1 or 2, is characterized in that, be provided with several fixing lug boss (16) outside the sidewall of described spiral case (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510070989.8A CN104675712A (en) | 2015-02-10 | 2015-02-10 | Low-temperature transfer injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510070989.8A CN104675712A (en) | 2015-02-10 | 2015-02-10 | Low-temperature transfer injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675712A true CN104675712A (en) | 2015-06-03 |
Family
ID=53311181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510070989.8A Pending CN104675712A (en) | 2015-02-10 | 2015-02-10 | Low-temperature transfer injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104675712A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915387A (en) * | 2019-03-19 | 2019-06-21 | 苏州横海信息科技有限公司 | A kind of vertical no axle envelope LNG delivery pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121519A (en) * | 2008-11-19 | 2010-06-03 | Furukawa Industrial Machinery Systems Co Ltd | Submergible pump |
| CN202417959U (en) * | 2011-12-26 | 2012-09-05 | 大连环友屏蔽泵有限公司 | Non-clogging shield pump |
| CN103775386A (en) * | 2014-01-26 | 2014-05-07 | 潍柴动力股份有限公司 | Water pump for engine |
| CN104088817A (en) * | 2014-07-18 | 2014-10-08 | 南京南蓝环保设备制造有限公司 | Dry installation submersible sewage pump |
| CN104235028A (en) * | 2014-08-29 | 2014-12-24 | 保定德尔泵业有限公司 | Dual-purpose centrifugal pump used in both dry environment and wet environment |
| CN204458403U (en) * | 2015-02-10 | 2015-07-08 | 四川泰博流体科技有限公司 | A kind of low temperature metaideophone pump |
-
2015
- 2015-02-10 CN CN201510070989.8A patent/CN104675712A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121519A (en) * | 2008-11-19 | 2010-06-03 | Furukawa Industrial Machinery Systems Co Ltd | Submergible pump |
| CN202417959U (en) * | 2011-12-26 | 2012-09-05 | 大连环友屏蔽泵有限公司 | Non-clogging shield pump |
| CN103775386A (en) * | 2014-01-26 | 2014-05-07 | 潍柴动力股份有限公司 | Water pump for engine |
| CN104088817A (en) * | 2014-07-18 | 2014-10-08 | 南京南蓝环保设备制造有限公司 | Dry installation submersible sewage pump |
| CN104235028A (en) * | 2014-08-29 | 2014-12-24 | 保定德尔泵业有限公司 | Dual-purpose centrifugal pump used in both dry environment and wet environment |
| CN204458403U (en) * | 2015-02-10 | 2015-07-08 | 四川泰博流体科技有限公司 | A kind of low temperature metaideophone pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915387A (en) * | 2019-03-19 | 2019-06-21 | 苏州横海信息科技有限公司 | A kind of vertical no axle envelope LNG delivery pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150603 |