CN207634295U - A kind of immersion type three-screw rod pump - Google Patents
A kind of immersion type three-screw rod pump Download PDFInfo
- Publication number
- CN207634295U CN207634295U CN201721641260.2U CN201721641260U CN207634295U CN 207634295 U CN207634295 U CN 207634295U CN 201721641260 U CN201721641260 U CN 201721641260U CN 207634295 U CN207634295 U CN 207634295U
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- China
- Prior art keywords
- screw rod
- pump
- pump casing
- pump body
- driving screw
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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.)
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- Details Of Reciprocating Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model discloses a kind of immersion type three-screw rod pumps, including upper pump casing, lower pump body, bushing, driving screw rod, two driven screws, driving screw rod and two driven screws are located in bushing, bushing is coaxially arranged in upper pump casing, and oil outlet is provided on the left of upper pump casing, and the lower end of upper pump casing is provided with lower pump body, the size of upper pump casing and lower pump body matches, upper pump casing and lower pump body are fixed by the first fixing bolt, the lower end of lower pump body is provided with oil inlet, lower pump body is internally provided with oil storage plate, oil storage plate is L-type, the top of oil storage plate is shoe cream room, the lower end of driving screw rod is arranged in shoe cream room, and the side wall of oil storage plate and lower pump body forms circulation passage, and the upper end of upper pump casing is provided with end cap, end cap and upper pump casing are fixed by the second fixing bolt.The advantageous effect that the utility model is reached is：It is simple in structure, Leakage is avoided, when the pump housing is damaged, convenient for the dismounting repair of pump.
Description
Technical field
The utility model is related to screw pump technology necks, and in particular to a kind of immersion type three-screw rod pump.
Background technology
With the sustainable development of name of the country economy, lubricant industry also develops rapidly like the mushrooms after rain, former thin oil lubricating device
In main oil pump generally use gear pump, since the poor efficiency of gear pump and the shortcomings of high noisy have been unable to meet lubricant industry and send out
The needs of exhibition.A kind of novel three screw pump substituting gear pump just comes into being, and lightness and small-sized is presented in grease pump
The feature of change, the immersion type three-screw rod pump in former thin oil lubricating device are generally used traditional pump core assembly and add pump body structure,
Volume is often all bigger, and structure is also more complex, it is difficult to ensure high assembly precision, when use outside three screw rods pump arrangement fuel tank,
Inevitably there are Leakages, while being also not easy to the dismounting repair of pump.
Utility model content
The utility model provides a kind of immersion type three-screw rod pump, solves the existing immersion encountered in above-mentioned background technology
Three screw pump volume is often all bigger, and structure is also more complex, it is difficult to ensure high assembly precision, three screw rods pump arrangement when use
Outside fuel tank, inevitably there is Leakage, while being also not easy to the dismounting maintenance problem of pump.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
A kind of immersion type three-screw rod pump of the utility model, including upper pump casing, lower pump body, bushing, driving screw rod, two it is driven
Screw rod, the driving screw rod and two driven screws are located in bushing, are coaxially arranged with bushing in the upper pump casing, and it is described on
Be provided with oil outlet on the left of the pump housing, and the lower end of the upper pump casing is provided with lower pump body, the upper pump casing and lower pump body it is big
Small to match, the upper pump casing and lower pump body are fixed by the first fixing bolt, and the lower end of the lower pump body is provided with oil inlet,
The lower pump body is internally provided with oil storage plate, and the oil storage plate is L-type, and the top of the oil storage plate is shoe cream room, the master
The lower end of dynamic screw rod is arranged in shoe cream room, and the side wall of the oil storage plate and lower pump body forms circulation passage, and the upper pump
The upper end of body is provided with end cap, and the end cap and upper pump casing are fixed by the second fixing bolt.
As a kind of optimal technical scheme of the utility model, the driving screw rod and two driven screw Corresponding matchings.
As a kind of optimal technical scheme of the utility model, the driving screw rod runs through end cap, and the driving screw rod
The junction of end cap is provided with bearing.
As a kind of optimal technical scheme of the utility model, the oil inlet is straight pipe thread connector.
As a kind of optimal technical scheme of the utility model, the oil outlet is straight pipe thread connector.
As a kind of optimal technical scheme of the utility model, the upper pump casing, lower pump body, bushing, driving screw rod, two
Driven screw is made of the corrosion resistant metal material of stainless steel.
The advantageous effect that the utility model is reached is：This kind of immersion type three-screw rod pump, driving screw rod and two driven spiral shells
Bar is located in bushing, and bushing, upper pump casing and lower pump body are coaxially arranged in upper pump casing and is fixed by the first fixing bolt, upper pump casing
Upper end be provided with end cap, end cap and upper pump casing and fixed by the second fixing bolt, it is simple in structure, avoid Leakage, work as pump
When body is damaged, convenient for the dismounting repair of pump.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.
In the accompanying drawings：
Fig. 1 is a kind of overall structure figure of immersion type three-screw rod pump of the utility model；
In figure：1, upper pump casing；2, lower pump body；3, bushing；4, driving screw rod；5, driven screw；6, oil inlet；7, oil storage
Plate；8, shoe cream room；9, circulation passage；10, oil outlet；11, the first fixing bolt；12, end cap；13, the second fixing bolt；14、
Bearing.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment：As shown in Figure 1, a kind of immersion type three-screw rod pump of the utility model, including upper pump casing 1, lower pump body 2, lining
4, two set 3, driving screw rod driven screws 5, driving screw rod 4 and two driven screws 5 are located in bushing 3, coaxial in upper pump casing 1
It is provided with bushing 3, and the left side of upper pump casing 1 is provided with oil outlet 10, and the lower end of upper pump casing 1 is provided with lower pump body 2, upper pump casing
1 and the size of lower pump body 2 match, upper pump casing 1 and lower pump body 2 are fixed by the first fixing bolt 11, and the lower end of lower pump body 2 is set
It is equipped with oil inlet 6, lower pump body 2 is internally provided with oil storage plate 7, and oil storage plate 7 is L-type, and the top of oil storage plate 7 is shoe cream room 8, main
The lower end of dynamic screw rod 4 is arranged in shoe cream room 8, and the side wall of oil storage plate 7 and lower pump body 2 forms circulation passage 9, and upper pump casing 1
Upper end be provided with end cap 12, end cap 12 and upper pump casing 1 and fixed by the second fixing bolt 13.
Driving screw rod 4 and two 5 Corresponding matchings of driven screw, convenient for driving screw rod 4 under the drive of prime mover, active spiral shell
Bar 4 and two driven screws 5 form seal chamber under centainly engagement surfaces of revolution length.
Driving screw rod 4 runs through end cap 12, and driving screw rod 4 and the junction of end cap 12 are provided with bearing 14, convenient for former dynamic
Machine drives driving screw rod 4 to rotate.
Oil inlet 6 is straight pipe thread connector, is threadedly coupled, is easily installed with external pipe convenient for oil inlet 6.
Oil outlet 10 is straight pipe thread connector, is threadedly coupled, is easily installed with external pipe convenient for oil outlet 10.
4, two upper pump casing 1, lower pump body 2, bushing 3, driving screw rod driven screws 5 use the corrosion resistant metal material of stainless steel
Material is made, 4, two upper pump casing 1, lower pump body 2, bushing 3, driving screw rod driven spiral shells made of the corrosion resistant metal material of stainless steel
Bar 5 is hardly damaged, and service life is long.
Specifically, driving screw rod 4 rotates under prime mover drive, centainly nibbled by driving screw rod 4 and two driven screws 5
It closes and forms seal chamber under helicoid length, driven screw 5 is pushed and revolved by conveying liquid medium because of the pressure difference on helicoid both sides
Turn, it is logical that the side wall after conveying liquid is entered by the oil inlet 6 of 2 lower end of lower pump body at this time along oil storage plate 7 and lower pump body 2 forms circulation
Enter in shoe cream room 8 to 9 uniformly continuous of road, and steadily, without agitation reach discharge chamber from pump suction chamber, finally by upper pump casing 1
The oil outlet 10 of left end is sent out, and to reach the function of conveying liquid medium, is equipped with shoe cream room 8 in lower pump body 2, is made pump secondary
It not will produce the problem of being emptied when startup, driving screw rod 4 and two driven screws 5 are located in bushing 3, and lower pump body 2 is arranged upper
The size of the lower end of the pump housing 1, upper pump casing 1 and lower pump body 2 matches, and upper pump casing 1 and lower pump body 2 are solid by the first fixing bolt 11
It is fixed, it is convenient for the fixation of upper pump casing 1 and lower pump body 2, the upper end of upper pump casing 1 is provided with end cap 12, end cap 12 and upper pump casing 1 by the
Two fixing bolts 13 are fixed, and driving screw rod 4 runs through end cap 12, and driving screw rod 4 and the junction of end cap 12 are provided with bearing 14, just
Driving screw rod 4 is driven to rotate in prime mover, it is simple in structure, Leakage is avoided, when the pump housing is damaged, convenient for the dismounting of pump
Repair.
This kind of immersion type three-screw rod pump, driving screw rod 4 and two driven screws 5 are located in bushing 3, coaxial in upper pump casing 1
Bushing 3, upper pump casing 1 and lower pump body 2 is provided with to fix by the first fixing bolt 11, the upper end of upper pump casing 1 is provided with end cap 12,
End cap 12 and upper pump casing 1 are fixed by the second fixing bolt 13, simple in structure, avoid Leakage, when the pump housing is damaged,
It is repaired convenient for the dismounting of pump.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of immersion type three-screw rod pump, including upper pump casing (1), lower pump body (2), bushing (3), driving screw rod (4), two it is driven
Screw rod (5), which is characterized in that the driving screw rod (4) and two driven screws (5) are located in bushing (3), the upper pump casing
(1) it is coaxially arranged with bushing (3) in, and is provided with oil outlet (10) on the left of the upper pump casing (1), and the upper pump casing (1)
Lower end be provided with lower pump body (2), the size of the upper pump casing (1) and lower pump body (2) matches, the upper pump casing (1) and under
The pump housing (2) is fixed by the first fixing bolt (11), and the lower end of the lower pump body (2) is provided with oil inlet (6), the lower pump body
(2) be internally provided with oil storage plate (7), the oil storage plate (7) is L-type, and the top of the oil storage plate (7) is shoe cream room (8), institute
The lower end setting of driving screw rod (4) is stated in shoe cream room (8), and the side wall of the oil storage plate (7) and lower pump body (2) is formed and circulated
Channel (9), and the upper end of the upper pump casing (1) is provided with end cap (12), the end cap (12) and upper pump casing (1) and consolidates by second
It is fixed to determine bolt (13).
2. a kind of immersion type three-screw rod pump according to claim 1, which is characterized in that the driving screw rod (4) and two
Driven screw (5) Corresponding matching.
3. a kind of immersion type three-screw rod pump according to claim 1, which is characterized in that the driving screw rod (4) is through end
It covers (12), and the driving screw rod (4) and the junction of end cap (12) are provided with bearing (14).
4. a kind of immersion type three-screw rod pump according to claim 1, which is characterized in that the oil inlet (6) is cylindrical tube
It is threadedly coupled mouth.
5. a kind of immersion type three-screw rod pump according to claim 1, which is characterized in that the oil outlet (10) is cylindrical tube
It is threadedly coupled mouth.
6. a kind of immersion type three-screw rod pump according to claim 1, which is characterized in that the upper pump casing (1), lower pump body
(2), bushing (3), driving screw rod (4), two driven screws (5) are made of the corrosion resistant metal material of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641260.2U CN207634295U (en) | 2017-11-30 | 2017-11-30 | A kind of immersion type three-screw rod pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641260.2U CN207634295U (en) | 2017-11-30 | 2017-11-30 | A kind of immersion type three-screw rod pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634295U true CN207634295U (en) | 2018-07-20 |
Family
ID=62854702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721641260.2U Expired - Fee Related CN207634295U (en) | 2017-11-30 | 2017-11-30 | A kind of immersion type three-screw rod pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634295U (en) |
-
2017
- 2017-11-30 CN CN201721641260.2U patent/CN207634295U/en not_active Expired - Fee Related
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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: 20180720 Termination date: 20201130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |