CN209324603U - A kind of gear pump and the concatenated refrigerated medium pump of centrifugal pump - Google Patents
A kind of gear pump and the concatenated refrigerated medium pump of centrifugal pump Download PDFInfo
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- CN209324603U CN209324603U CN201821726211.3U CN201821726211U CN209324603U CN 209324603 U CN209324603 U CN 209324603U CN 201821726211 U CN201821726211 U CN 201821726211U CN 209324603 U CN209324603 U CN 209324603U
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- end cap
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- gear pump
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Abstract
The utility model discloses a kind of gear pump and the concatenated refrigerated medium pump of centrifugal pump, the pump housing (7) including motor (5) and integral solder with cavity；Motor (5) are installed in the pump housing (7), motor (5) two sides are designed with sliding bearing (4), sliding bearing (4) on the left of motor is equipped with gear pump installation end cap (9), gear pump head (3) are installed in gear pump installation end cap (9), sliding bearing (4) on the right side of motor is equipped with centrifugal pump installation end cap (10), centrifugal pump installs end cap (10) and is equipped with centrifugal impeller (6), suction inlet (1) is provided on the pump housing of gear pump head end, outlet (2) are provided on the pump housing at centrifugal impeller end, it is provided on the pump housing (7) for the terminal box (8) to entire pump power supply, gear pump head (3), machine cavity is connected to centrifugal impeller (6).The refrigerated medium pump, two kinds of being used cooperatively for pump head can reach lift height, and axis stress is symmetrical, purpose small in size.
Description
Technical field
The utility model relates to a kind of tandem Full-sealing refrigerating agent pump more particularly to a kind of gear pumps and centrifugation series connection of pumps
Refrigerated medium pump.
Background technique
The pump of Full-sealing refrigerating agent at present is gradually expanded in the application range of industry, and the use limitation of current refrigerant pump is compared
It is more, such as Gao Yangcheng, big flow and other special applications conditions.
The form pumped at present is mainly pump head in the side of motor, the structure of unilateral cantilever is formed with motor, one end is pump
The head other end is motor, and the stress of motor shaft is asymmetric, and unilateral water conservancy structure causes series few, and lift is low, no suction capacity, body
Product is big, cannot effectively meet the application of industry.
Utility model content
In order to solve the above-mentioned technical problem the utility model, provides a kind of gear pump and the concatenated refrigerant of centrifugal pump
Pump, two kinds of being used cooperatively for pump head can reach lift height, and axis stress is symmetrical, purpose small in size.
The utility model is to be achieved through the following technical solutions:
A kind of gear pump and the concatenated refrigerated medium pump of centrifugal pump, the pump housing including motor and integral solder with cavity；
Motor is installed, motor two sides are designed with sliding bearing, and the sliding bearing on the left of motor is equipped with gear pump in the pump housing
End cap is installed, gear pump installation end, which covers, is equipped with gear pump head, and the sliding bearing on the right side of motor is equipped with centrifugal pump installation end
Lid, centrifugal pump installation end are covered equipped with centrifugal impeller, are provided with suction inlet, the pump at centrifugal impeller end on the pump housing of gear pump head end
It is provided with outlet on body, is provided on the pump housing for the terminal box to entire pump power supply, gear pump head, machine cavity and centrifugation leaf
Wheel connection.
The motor is integrally immersed in media fluid.
The gear pump head entrance is low pressure chamber, and suction inlet is directly connected to gear pump head, and gear pump installation end covers
Equipped with the flowing hole passed through for fluid, centrifugal pump installation end, which covers, is equipped with centrifugation Pump Suction Nozzle, and centrifugal pump installs end cap for the pump housing
It is divided into two parts, the left side that centrifugal pump installs end cap is middle pressure chamber, and right side is high pressure chest, and centrifugal impeller is from middle pressure chamber liquid draw
Body is discharged into high pressure chest, and outlet is directly connect with high pressure chest.
Compared with prior art, the utility model has technical effect beneficial below:
Gear pump provided by the utility model and the concatenated refrigerated medium pump of centrifugal pump, mainly a kind of hermetically sealed system of tandem
Cryogenic fluid pump is a kind of pump of motor two sides cascade, and the pump head of two sides uses different forms, and the cooperation of two kinds of pump heads makes
With that can reach lift height, axis stress is symmetrical, purpose small in size.Meanwhile various forms of series architectures can make pump have both two
The characteristic of kind of pump: having a suction capacity, Gao Yangcheng, low net positive suction head, and no liquid pulse can also reduce centrifugal impeller series, contract
The volume of small pump.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of gear pump provided by the utility model and the concatenated refrigerated medium pump of centrifugal pump.
Wherein, 1 is suction inlet；2 be outlet；3 be gear pump head；4 be sliding bearing；5 be motor；6 be centrifugal impeller；7
For the pump housing；8 be terminal box；9 install end cap for gear pump；10 install end cap for centrifugal pump.
Specific embodiment
The utility model is described in further detail below with reference to specific embodiment, described is to the utility model
Explanation rather than limit.
Referring to Fig. 1, a kind of gear pump and the concatenated refrigerated medium pump of centrifugal pump, including with cavity motor 5 and whole weldering
The pump housing 7 connect；Motor 5 is installed, 5 two sides of motor are designed with sliding bearing 4, the sliding axle on the left of motor in the pump housing 7
It holds 4 and is equipped with gear pump installation end cap 9, gear pump head 3, the sliding bearing 4 on the right side of motor are installed on gear pump installation end cap 9
It is equipped with centrifugal pump and end cap 10 is installed, centrifugal pump installs end cap 10 and is equipped with centrifugal impeller 6, sets on the pump housing 7 of gear pump head end
It is equipped with suction inlet 1, outlet 2 is provided on the pump housing 7 at centrifugal impeller end, is provided on the pump housing 7 for connecing to entire pump power supply
Wire box 8, gear pump head 3, machine cavity are connected to centrifugal impeller 6, and the motor 5 is whole to be immersed in media fluid.
3 entrance of gear pump head is low pressure chamber, and suction inlet is directly connected to gear pump head 3, and gear pump installs end cap 9
It is equipped with the flowing hole passed through for fluid, centrifugal pump installs end cap 10 and is equipped with centrifugation Pump Suction Nozzle, and centrifugal pump installs end cap 10
The pump housing is divided into two parts, the left side that centrifugal pump installs end cap 10 is middle pressure chamber, and right side is high pressure chest, and centrifugal impeller is therefrom pressed
Chamber draws liquid, is discharged into high pressure chest, and outlet 2 is directly connect with high pressure chest.
Gear pump provided by the utility model and the concatenated refrigerated medium pump of centrifugal pump, which mainly includes one two
There is the motor for stretching out sliding bearing in side, and the pump head of two kinds of forms is installed in motor two sides respectively, and side is gear pump head, the other side
To be centrifuged pump head, both for matched design.Being centrifuged pump head is specifically to be centrifuged gear.
Liquid first flows through gear pump head by the suction inlet of refrigerated medium pump, after gear pump head is pressurized, from centrifugation pump head
Suction inlet enters and carries out secondary booster, is finally discharged from pump discharge, to realize two-step supercharging process.
The pump housing 7 is integral solder form, has prevented the leakage of medium, and the power supply of entire refrigerated medium pump is supplied by terminal box 8
Electricity.Liquid medium is inhaled into from the suction inlet 1 of refrigerated medium pump, and motor cavity, sliding are entered after compressing first by gear pump head 3
Bearing 4 is lubricated by liquid medium, and motor 5 is whole to be immersed in liquid medium, and motor is cooled down by liquid medium
Heat dissipation, is then sucked by centrifugal impeller 6, carries out twice work doing, is finally discharged by the outlet 2 pumped, completes the acting process in pump.
3 entrance of pump head is low pressure chamber, and inlet tube is directly connect with pump head, and wherein gear pump installation end cap 9 is equipped with overcurrent
Hole, fluid can pass through.There is no flowing hole on centrifugal pump installation end cap 10, only sets centrifugation Pump Suction Nozzle, the pump housing is divided by it
Two parts, the left side that centrifugal pump installs end cap 10 is middle pressure chamber, and right side is high pressure chest, and centrifugal impeller draws liquid from middle pressure chamber,
It is discharged into high pressure chest, outlet is directly connect with high pressure chest, not direct to connect with centrifugal impeller.
Gear pump provided by the utility model and the concatenated refrigerated medium pump of centrifugal pump, mainly a kind of hermetically sealed system of tandem
Cryogenic fluid pump is a kind of pump of motor two sides cascade, and the pump head of two sides uses different forms, and the cooperation of two kinds of pump heads makes
With that can reach lift height, axis stress is symmetrical, purpose small in size.Meanwhile various forms of series architectures can make pump have both two
The characteristic of kind of pump: having a suction capacity, Gao Yangcheng, low net positive suction head, and no liquid pulse can also reduce centrifugal impeller series, contract
The volume of small pump.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (3)
1. a kind of gear pump and the concatenated refrigerated medium pump of centrifugal pump, which is characterized in that including motor (5) and entirety with cavity
The pump housing (7) of welding；It is equipped with motor (5) in the pump housing (7), motor (5) two sides are designed with sliding bearing (4), motor
The sliding bearing (4) in left side is equipped with gear pump installation end cap (9), is equipped with gear pump head in gear pump installation end cap (9)
(3), the sliding bearing on the right side of motor (4) be equipped with centrifugal pump installation end cap (10), centrifugal pump install end cap (10) be equipped with from
Lobus cardiacus wheel (6) is provided with suction inlet (1) on the pump housing (7) of gear pump head end, is provided with out on the pump housing (7) at centrifugal impeller end
Mouthful (2) are provided with for the terminal box (8) to entire pump power supply, gear pump head (3), machine cavity and centrifugation leaf on the pump housing (7)
Take turns (6) connection.
2. gear pump according to claim 1 and the concatenated refrigerated medium pump of centrifugal pump, which is characterized in that the motor
(5) whole to be immersed in media fluid.
3. gear pump according to claim 1 and the concatenated refrigerated medium pump of centrifugal pump, which is characterized in that the gear pump
Head (3) entrance is low pressure chamber, and suction inlet is directly connected to gear pump head (3), and gear pump is installed end cap (9) and is equipped with to be led to for fluid
The flowing hole crossed, centrifugal pump install end cap (10) and are equipped with centrifugation Pump Suction Nozzle, and the pump housing is divided in centrifugal pump installation end cap (10)
At two parts, the left side that centrifugal pump installs end cap (10) is middle pressure chamber, and right side is high pressure chest, and centrifugal impeller is from middle pressure chamber liquid draw
Body is discharged into high pressure chest, and outlet (2) is directly connect with high pressure chest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726211.3U CN209324603U (en) | 2018-10-24 | 2018-10-24 | A kind of gear pump and the concatenated refrigerated medium pump of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821726211.3U CN209324603U (en) | 2018-10-24 | 2018-10-24 | A kind of gear pump and the concatenated refrigerated medium pump of centrifugal pump |
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| Publication Number | Publication Date |
|---|---|
| CN209324603U true CN209324603U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821726211.3U Active CN209324603U (en) | 2018-10-24 | 2018-10-24 | A kind of gear pump and the concatenated refrigerated medium pump of centrifugal pump |
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| CN (1) | CN209324603U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173658A (en) * | 2019-10-28 | 2020-05-19 | 北京动力机械研究所 | Low-inlet-pressure high-supercharging-capacity combined electric pump |
| CN114962206A (en) * | 2022-06-09 | 2022-08-30 | 湖南高创翔宇科技有限公司 | Graded pressurizing fuel pump |
-
2018
- 2018-10-24 CN CN201821726211.3U patent/CN209324603U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173658A (en) * | 2019-10-28 | 2020-05-19 | 北京动力机械研究所 | Low-inlet-pressure high-supercharging-capacity combined electric pump |
| CN114962206A (en) * | 2022-06-09 | 2022-08-30 | 湖南高创翔宇科技有限公司 | Graded pressurizing fuel pump |
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